JP2018033328A - Vegetable harvester - Google Patents

Abstract

[PROBLEMS] To safely change the tread width of a vegetable harvester with a simple configuration. A main frame (9L, 9R) having left and right traveling wheels (3L, 3R) is provided with a pulling mechanism (100) and a pulling / conveying device (200). The pulling / conveying device (200) is provided with a foliage cutting device (400). In the vegetable harvesting machine provided with the foliage discharge member 290 that discharges the cut foliage to the side of the machine body, the output shaft 6a to the traveling wheel 3L on the opposite side to the foliage discharge direction of the foliage discharge member 290 is expanded and contracted. The tread width of the traveling wheels 3L, 3R can be changed, and a temporary support member 15 is provided to support the horizontally traveling traveling wheel 3L in a floating state, and the temporary support member 15 supports the grounding portion 15a on the left and right traveling wheels. The vegetable harvesting machine is characterized by being raised from the 3L and 3R output shafts 6a to be stored. [Selection] Figure 9

Description

  The present invention relates to a vegetable harvesting machine that extracts root vegetables such as radishes and persimmons from a field and performs a harvesting operation.

  Patent Document 1 discloses a root vegetable harvesting machine that extracts root vegetables such as radish from a field.

  The vegetable harvester performs harvesting work while straddling the vegetation on which the vegetation is vegetated, but the width of the left and right traveling wheels (tread width) running in the ridge groove can be changed because the ridge width varies depending on the crop. I have to.

JP, 2016-32460, A

  The tread width changing mechanism of the vegetable harvesting machine has a mechanism that changes while running outside the field, but the structure is complicated and there is no open space in the field to run to change the tread width.

  An object of the present invention is to make it possible to safely change the tread width of a vegetable harvester with a simple configuration.

  The problems of the present invention are solved by the following technical means.

  According to the first aspect of the present invention, the main frame (9L, 9R) including the left and right traveling wheels (3L, 3R) is provided with a pulling mechanism (100) and a pulling and conveying device (200), and the pulling and conveying device (200 In the vegetable harvesting machine provided with the foliage cutting device (400) and the foliage discharging member (290) for discharging the foliage cut by the foliage cutting device (400) to the side of the machine body, While expanding and contracting the output shaft (6a) to the traveling wheel (3L) opposite to the stem and leaf part discharge direction of the member (290), the tread width of the left and right traveling wheels (3L, 3R) can be changed, A temporary support member (15) for supporting the traveling wheel (3L) that moves laterally in a floating state is provided, and the temporary support member (15) has a grounding portion (15a) as the left and right traveling wheels (3L, 3R). Is raised from the output shaft (6a) And toppers, characterized in that the.

  According to a second aspect of the present invention, the engine (4) is mounted behind the main frame (9L, 9R), a driving cover (16) covering the engine (4) is provided, and the temporary support member (15) A support rod (15) that slides up and down is provided, and when the support rod (15) is raised and stored, the upper end (15b) of the rod is above the rear end of the pulling and conveying device (200) and the driving cover (16). It is set as the structure which does not protrude, It is set as the vegetable harvester of Claim 1.

  The invention according to claim 3 is characterized in that the temporary support member (15) is provided near the left and right center when the tread width of the left and right traveling wheels (3L, 3R) is minimized. The vegetable harvester as described in 1.

  In the invention according to claim 4, the lower end of the support rod (15) is bent horizontally to form the grounding part (15a), and the bending direction of the grounding part (15a) is the opposite side to the foliage discharging direction. The vegetable harvesting machine according to claim 2, wherein the vegetable harvesting machine is directed to the traveling wheel (3L) side.

  The invention according to claim 5 is provided with a foliage cutting cover (18) that allows the foliage cutting device (400) provided at the lower part of the pulling and conveying device (200) to be vertically adjustable and covers the outside of the vertical range. The vegetable harvester according to claim 1, wherein

  Invention of Claim 6 provided the fall space of the foliage part with the foliage rotary blade (410) before and behind the said foliage part cutting cover (18) which covers the said foliage part cutting device (400), It is set as the vegetable harvester of Claim 5.

  In the invention according to claim 1, the output shaft (6a) to the traveling wheel (3L) on the opposite side to the discharge direction of the foliage portion in which the foliage portion discharged from the foliage discharge member (290) to the side of the machine body moves laterally. ) Can be prevented from being entangled with the expansion / contraction mechanism and the temporary support member (15). Therefore, when the temporary support member (15) is accommodated by changing the tread width of the left and right traveling wheels (3L, 3R), the grounding portion (15a) Is higher than the output shaft (6a), so that the ground contact portion (15a) is prevented from hitting the crop during the harvesting operation.

  In the invention according to claim 2, in addition to the effect of claim 1, the configuration is simplified by using the support rod that slides and fixes the temporary support member (15) up and down.

  Further, the rod upper end (15b) of the support rod (15) accommodates the pulling / conveying device (200) and the driving cover (16) at a low position to perform harvesting work, so that the operator at the rear of the machine body can see the field of view. The harvesting operation is ensured by maneuvering the raising mechanism (100) to an appropriate position by looking ahead of the raising mechanism (100) and the pulling and conveying device (200) without blocking the support rod (15). Can be done.

  In the invention according to claim 3, in addition to the effect of claim 1, in the state where the tread width of the left and right traveling wheels (3L, 3R) is most shortened, the left and right traveling wheels (3L, 3R) are close to the left and right center. The temporary support member (15) provided on the vehicle supports the substantially center of gravity position of the aircraft and floats the aircraft, so that the tread width changing operation can be performed by moving the traveling wheel (3L) on the opposite side to the foliage discharging direction in a stable state. It can be carried out.

  In the invention according to claim 4, in addition to the effect of claim 2, the support rod (17) has the bending direction of the ground contact portion (15a) directed to the traveling wheel (3L) side opposite to the foliage discharge direction. Therefore, the ground contact portion (15a) can effectively receive the weight of the airframe applied to the traveling wheel (3L) side opposite to the foliage discharging direction.

  In the invention according to claim 5, in addition to the effect of claim 1, in the foliage cutting device (400) in which the foliage of the root vegetables fed between the pulling and conveying device (200) is adjusted up and down Although it cuts appropriately, the outer side is covered with a foliage cutting cover (18), and the safety of the operator can be ensured.

  In the invention according to claim 6, in addition to the effect of claim 5, the foliage portion cut by the foliage cutting device (400) is separated from the foliage cut cover (18) in a sufficient fall space of the foliage portion. It is possible to prevent clogging between them.

Left side view showing the whole radish puller as a vegetable harvester Top view of radish drawing machine Top view of radish extractor with some indications omitted Front view of radish drawing machine Schematic plan view of the main part of the pulling and conveying device (A) EE cross section arrow view in FIG. 5, (b) FF cross section arrow view in FIG. Schematic plan view of the essential parts of the shoulder alignment device Schematic plan view showing a pair of left and right body cutting rotary blades and a second foliage rotary blade as a shoulder alignment device of another embodiment Top view of radish puller with tread adjustment mechanism and stand Enlarged plan view of the body cutting device

  Below, the radish drawing machine as an example of the vegetable harvesting machine of this invention is demonstrated, referring drawings.

  As shown in FIGS. 1 to 4, the radish drawing machine 1 of the present embodiment includes a gauge wheel 2 disposed on the right front side of the machine body, a pair of left and right rear wheels 3L and 3R as drive wheels, An engine 4 as a power source and a steering handle 5 for steering the aircraft are provided.

  A front cover and an upper side of a driving section on which the engine 4 is mounted are covered with a driving cover 16.

  An upper end portion of a support stay 2 a that supports the gauge wheel 2 so as to be rotatable is connected to the support stay moving mechanism 10. The support stay moving mechanism 10 is connected to the support stay 2a at one end, and the other end is connected to the front end of a rotating handle 10a for rotating the support stay moving mechanism 10 via a bevel gear. Is slidable up and down.

  The adjustment rod includes a first rod on one end connected to the support stay 2a and a second rod 2b on the other end connected to the rotating handle 10a via a bevel gear. The first rod has a cylindrical shape and has a hole in which an internal thread is formed on the inner peripheral wall surface, and the second rod 2b is inserted into the hole of the first rod. A male thread that fits with the female thread of the rod is formed.

  When the second rod 2b rotates via the bevel gear by rotating the rotation handle 10a, the first rod moves upward or downward depending on the rotation direction of the rotation handle 10a. The first rod is slidably attached to the main frame 9R.

  As a result, the support stay 2a connected to the lower end of the first rod moves in the vertical direction (see arrow T in FIG. 1), and the gauge wheel 2 moves in the vertical direction.

  Moreover, by this, the vehicle height of the front side of the radish drawing machine 1 can be changed freely, and the height from the ridge surface of the field V of the front end part of the drawing conveyance apparatus 200 can be adjusted.

  A balance weight 12 is attached by an arm 12a to a holding portion of the main frame 9R that holds the first rod slidably.

  The driving force from the engine 4 is transmitted to the chains (not shown) in the pair of left and right chain cases 7L and 7R via the transmission case 6 and the output shaft 6a protruding in the left and right direction of the transmission case 6, and The rear wheels 3L and 3R are driven.

  Further, the pair of left and right chain cases 7L and 7R is formed in the direction of the arrow U (FIG. 4) with the output shaft 6a protruding in the left and right direction as the rotation center when the operator rotates the chain case rotation handles 11L and 11R. (See FIG. 4), each of them can be individually rotated. Thereby, the vehicle height on the rear wheels 3L, 3R side of the radish drawing machine 1 can be adjusted independently on the left and right.

  Note that the position of the left chain case 7L can be changed in the left-right direction by allowing the output shaft 6a to extend and contract. The position of the left chain case 7L is fixed by a lock handle 13 provided on the outer cylinder 10b of the output shaft 6a. The limit wire 14 prevents the output shaft 6a from extending too much and the left chain case 7L from falling off.

  A support rod 15 serving as a temporary support member is provided on the left main frame 9L on the front side of the output shaft 6a so that the vertical fixing position can be changed. The lower end of the support rod 15 is bent horizontally to form a grounding portion 15a. Further, the position of the support rod 15 is on the left side near the middle of the left and right when the left and right rear wheels 3L and 3R are closest to each other.

  When moving the left rear wheel 3L to the left and right, the grounding portion 15a of the support rod 15 is grounded and fixed to the bottom surface to fix the left rear wheel 3L, but the bending direction of the grounding portion 15a is changed to that of the left rear wheel 3L. The left load of the airframe is stably received toward the direction, and when the support rod 15 is stored, the grounding portion 15a is fixed with the bending direction facing forward. In this storage state, the upper end 15b of the support rod 15 does not protrude above the driving cover 16 that covers the rear end of the pulling / conveying device 200 or the upper part of the engine 4, and is operated while walking with the rear steering handle 5. The operator's front view is not obstructed.

  Further, the chain cases 7L and 7R transmitted to the left and right rear wheels 3L and 3R are rotated so that the ground height of the main frames 9L and 9R can be changed. However, the grounding portion 15a of the support rod 15 is in the retracted state. The position is higher than the output shaft 6a of the rear wheels 3L and 3R so as not to contact the foliage W1 of the radish W.

  Further, the positions of the pair of left and right rear wheels 3L and 3R can be attached to either the left or right side of the pair of left and right chain cases 7L and 7R.

  Accordingly, by making it possible to change the wheel interval, for example, radish can be pulled out even in the case of cocoons having different numbers of planting strips, such as two-row planting or three-row planting.

Moreover, as shown in FIGS. 1-4, the radish drawing machine 1 of this Embodiment is
1. A raising mechanism 100 that causes the foliage W1 of the radish W that has spread to the field V;
2. Pull-out conveyance that raises the radish W from the field V substantially vertically by conveying the radish W obliquely upward and rearward in synchronization with the traveling speed of the aircraft substantially in synchronization with the traveling speed of the aircraft while sandwiching the foliage W1 of the radish W caused by the raising mechanism 100. An apparatus 200;
3. The horizontal direction of the upper and lower shoulders W2a of the main body W2 of the radish W by taking over the foliage W1 of the radish W, which is horizontally disposed below the pulling and conveying apparatus 200 and is conveyed by the pulling and conveying apparatus 200. The shoulder alignment device 300 that conveys rearward substantially in synchronization with the traveling speed of the aircraft while holding the lower portion of the foliage W1,
4). After the cutting of the upper end W2b of the main body W2 of the radish W is started by the body cutting device 500 described later, the position of the stems and leaves W1 of the radish W is held by the pulling and conveying device 200 and the shoulder alignment device 300. A disc-shaped single foliage rotary blade 410 that cuts at a desired position between the sandwiched position and the foliage rotary blade 410 to prevent the foliage W1 from being pushed by the foliage rotary blade 410 and escaping. A cutting guide bar 420 having a cutting guide bar 420 for guiding the foliage W1 to the side,
5. A trunk cutting device 500 disposed upstream of the foliage cutting device 400 on the basis of the conveyance direction A ′ (see arrow A ′ in FIG. 7) of the conveyance path of the shoulder aligner 300, and cutting the foliage Before the apparatus 400 starts cutting the foliage W1 of the radish W, the upper end W2b of the main body W2 of the radish W in a state where the foliage W1 is firmly held by the pulling and conveying device 200 and the shoulder aligning device 300. A body part cutting device 500 having a pair of left and right disk-shaped body cutting rotary blades 510L and 510R,
It has.

  Here, arrangement | positioning of the trunk | drum cutting device 500 and the foliage cutting device 400 is further demonstrated using FIG.

  That is, on a conveyance path formed by a pair of left and right shoulder alignment belts 310L and 310R, which will be described later, in a plan view of the pair of left and right disk-shaped rotary blades 510L and 510R (see the vicinity of the conveyance path having the interval J2 in FIG. 7). The portion of the blade tip upstream of the portion existing in () is configured to be positioned upstream of the blade tip portion upstream of the portion existing on the conveyance path in plan view of the single foliage rotary blade 410. Has been.

  The foliage rotary blade 410 is a rotating disk blade, but it may be a fixed straight blade, and the member to which the foliage rotary blade 410 is attached is colored yellow or red to indicate that the blade is in that position and call attention. It is good to do so.

  In the present embodiment, after cutting of the upper end W2b of the main body W2 of the radish W is started by the trunk cutting device 500, the foliage cutting device 400 starts cutting the foliage W1 of the radish W. However, the present invention is not limited thereto. For example, after the trunk cutting device 500 completely cuts the upper end W2b of the main body W2 of the radish W, the foliage cutting device 400 starts cutting the foliage W1 of the radish W. It may be configured to do so.

  The driving force from the engine 4 is transmitted to the drawing / conveying device via a transmission shaft 6b protruding forward from the front end portion of the transmission case 6, and is also transmitted to the transmission mechanisms in the transmission cases 8L and 8R arranged on the left and right. Then, the shoulder aligning device 300, the foliage cutting device 400, and the trunk cutting device 500 are driven.

  The body cutting rotary blades 510L and 510R of the body cutting apparatus 500 cover the range in which the body cutting rotary blades 510L and 510R move up and down with the rotary blade side covers 520L and 520R on the left and right sides shown in FIG. The rotary blade side covers 520L and 520R are colored red or yellow to indicate that there is a rotary blade inside and to call attention. Further, the rotary blade side covers 520L and 520R may be semicircular, but they may be polygonal semicircular by connecting straight lines as illustrated. At this time, it is preferable that the entrance side 520LF, 520RF and the exit side 520LR, 520RR are made to be long at an acute angle toward the front and rear of the conveyance path, thereby making it difficult for the operator's fingertip to enter inside. The front and rear space portions where the rotary blade side covers 520L and 520R are widened prevent the outer surface from invading stems and leaves, and the internal space is expanded to prevent clogging.

  The front end portions of the transmission cases 8L and 8R arranged on the left and right are respectively fixed to a pair of left and right main frames 9L and 9R that form a skeleton part of the airframe and have a substantially inverted U shape when viewed from the side. The left and right transmission case support stays 9La and 9Ra (see FIG. 1) are supported.

  Further, the front end portions of the pair of left and right pulling conveyance frames 270L and 270R included in the drawing conveyance device 200 are a pair of left and right drawing conveyance device support stays 201L and 201R (fixed to front ends of the pair of left and right main frames 9L and 9R, respectively). As shown in FIG. 1, the drawing / conveying device 200 is supported and fixed from below so as to be inclined rearward and upward at a predetermined angle in a side view. Further, the rear end portions of the pair of left and right pulling / conveying frames 270L and 270R of the pulling / conveying device 200 are supported and fixed by an upper support stay 205 fixed to the upper surface portion of a transmission branch case 6d (see FIG. 1) described later. Has been.

  Further, at least the upper surface side of the drawing / conveying device 200 is covered with a pair of left and right drawing / conveying device covers 202L and 202R (see FIGS. 1 and 3). The pair of left and right drawing / conveying device covers 202L and 202R will be described later.

  With the above configuration, the radish drawing machine 1 according to the present embodiment holds the foliage W1 of the radish W by the pulling / conveying device 200 while the advancing mechanism 100 raises the foliage W1 of the radish W while traveling forward. The radish W is pulled up from the field V, and the body cutting device 500 starts cutting the upper end W2b of the main body W2, and then the shoot and leaf cutting device 400 starts cutting the upper portion of the shoot W1. Thus, the radish W is returned to the original hole of the field V, and the cut portion is discharged to the rear right side.

  Thereby, the operator can extract the radish W from the field V with a light force, and it is not necessary to perform the cutting work of the upper end W2b of the main body W2 of the radish W in the post-processing. Labor can be reduced.

  Next, the raising mechanism 100 described above will be further described mainly with reference to FIGS.

As shown in FIG.
1. A pair of left and right vertical pulling devices 110L and 100R that cause the foliage portion W1 extending mainly in the left-right width direction of the body to rise upward, among the foliage portions W1 of the radish W extending and extending on the ridge surface of the field V;
2. A pair of left and right vertical pulling devices 110L and 110R is arranged on the rear side of the vertical pulling devices 110L and 110R. A pair of left and right lateral pulling devices 130L, 130R that cause upwards;
3. A pair of left and right vertical pulling devices 110L and 110R, and a pair of left and right horizontal pulling devices 130L and 130R, a pulling device driving mechanism 150 for transmitting a driving force;
It has.

  Each of the pair of left and right vertical pulling devices 110L and 110R includes a pair of vertical pulling drive pulley 111a and vertical pulling driven pulley 111b, and a pair of vertical pulling drive pulley 111a and vertical pulling driven pulley 111b. And an endless belt that is wound, and has a longitudinal pulling belt 112 in which a plurality of elongated pulling protrusions 112a are formed on the outer peripheral surface.

  Each of the pair of left and right lateral pulling devices 130L and 130R includes a pair of upper and lower horizontal pulling drive pulleys 131a and a horizontal pulling driven pulley 131b, and a pair of upper and lower horizontal pulling drive pulleys 131a and a horizontal pulling driven pulley. An endless belt wound around 131b and having a plurality of elongated laterally raised protrusions 132a formed on the outer peripheral surface thereof.

  Further, as shown in FIG. 3, the pulling device drive mechanism 150 includes a pulling drive chain transmission portion 151 to which a driving force from the engine 4 is input via the transmission shaft 6b, and a drive from the drive chain transmission portion 151. A universal joint 152 for transmitting the force to the left lateral pulling drive pulley 131a, the left lateral pulling drive pulley 131a being inserted and fixed at the rear end, and the first bevel gear 153a being inserted and fixed at the front end. , A first transmission shaft 153 for transmitting a driving force to the left longitudinal pulling drive pulley 111a via the first bevel gear 153a, and a second bevel gear 154a inserted and fixed at both ends, and a pair of left and right in the vicinity of the inside A second transmission shaft 154 in which the longitudinal pulling drive pulleys 111a and 111a are inserted and fixed, and a third bevel gear 155a is inserted and fixed in the front end portion and the right side pulling in the rear end portion. And a third transmission shaft 155 in which a raising drive pulley 131a is inserted and fixed.

  Further, as shown in FIG. 3, the pull-up drive chain transmission portion 151 is a pull to which the rotational drive force transmitted to the left side is inputted among the rotational drive forces branched in the left-right direction from the front end portion of the transmission shaft 6b. A raising input sprocket 151a, a raising output sprocket 151b that raises and outputs the rotational driving force to the apparatus 100, a raising transmission chain 151c wound around the raising input sprocket 151a and the raising output sprocket 151b, An erecting transmission chain case 151d for storing them.

  The first transmission shaft 153, the second transmission shaft 154, and the third transmission shaft 155 are respectively covered with a cylindrical metal first pipe member 153b, a second pipe member 154b, and a third pipe member 155b. The first pipe member 153b also serves as a fixing member for connecting and fixing the left lateral pulling device 130L and the left vertical pulling device 110L with a fastening member, and the second pipe member 154b. Also serves as a fixing member for connecting and fixing the left vertical pulling device 110L and the right vertical pulling device 110R, and the third pipe member 155b has the right vertical pulling device 110R and the right vertical pulling device 110R. It also functions as a fixing member for connecting and fixing the lateral pulling device 130R with a fastening member (see FIGS. 2 and 3).

  The universal joint 152 is covered with a bellows-like rubber cover 152b (see FIGS. 2 and 3).

  As a result, the pair of left and right vertical pulling belts 112 rotate clockwise when viewed from the left (see arrow P in FIG. 1), and the pair of left and right horizontal pulling belts 132 are in the directions of arrows Q1 and Q2 (see FIG. 1). 4).

  Also, the pair of left and right vertical pulling devices 110L and 110R each effectively exert the pulling function of the foliage portion W1 by the vertical pulling projection 112a, and the foliage portion W1 to the rotating portion such as a belt and a pulley. In order to prevent entrainment, both sides are covered with the outer cover 113a and the inner cover 113b so that only the vertically raised protrusion 112a protruding downward and forward is completely exposed to the outside.

  In addition, the pair of left and right lateral pulling devices 130L and 130R are respectively covered on the front and rear sides with a front cover 133a and a rear cover 133b in order to prevent the foliage W1 from being entangled in a rotating part such as a belt and a pulley. ing.

  Further, the rear end portion of the inner cover 113b that covers each of the pair of left and right vertical pulling devices 110L and 110R from the inside is a fastening member on the front cover 133a that covers each of the pair of left and right horizontal pulling devices 130L and 130R from the front side. Connected and fixed.

  In addition, on the back side of the rear covers 133b and 133b that respectively cover the pair of left and right lateral pulling devices 130L and 130R from the rear side, a pair of left and right pulling conveyance frames 270L and 270R of the pulling conveyance device 200, which will be described later, are provided. A pair of left and right parallel link arms 160L and 160R each having a rear end portion rotatably connected to a side surface of a front end portion of a pair of left and right substantially inverted U-shaped pipe members 203L and 203R fixed to the upper surface side. Are connected and fixed by fastening members (see FIGS. 1 and 3).

  Next, the pulling and conveying apparatus 200 will be further described mainly with reference to FIG.

  FIG. 5 is a schematic plan view of a main part of the drawing / conveying apparatus 200.

As shown in FIG.
1. A pair of left and right endless pulling and conveying belts 210L and 210R;
2. A pair of left and right pulling drive pulleys 220L, 220R disposed on the rear end side for driving the pair of left and right pulling conveyor belts 210L, 210R;
3. A pair of left and right pulling driven pulleys 230L, 230R arranged on the front end side;
4). In order to apply a strong pressing force for sandwiching the foliage portion W1 of the radish W to the pulling and conveying belt, which is disposed inside each of the pair of left and right pulling and conveying belts 210L and 210R and immediately after the pulling driven pulleys 230L and 230R. A pair of left and right clamping rollers 240L and 240R configured by four clamping rollers;
5. Between the clamping roller group and the pulling drive pulley, the conveyance direction A (see arrow A in FIG. 5) is used as a reference from the upstream side toward the downstream side along the conveyance path in which the nipped stem and leaf portion W1 is conveyed. A pair of left and right first tension rollers 250L and 250R, a pair of left and right second tension rollers 251L and 251R, and a pair of left and right third tension rollers 252L and 252R;
6). A left pulling tension pulley group 260L that adjusts the tension of the entire left belt, and an outer side and an inner side of the right pulling conveyor belt 210R that are arranged outside and inside the left pulling conveyor belt 210L, Right pull tension pulley group 260R for adjusting the tension;
7). A pair of left and right pull-out conveyance frames 270L and 270R each having a hollow substantially prismatic member with a bearing portion 271 at each rear end;
It has.

  The upper ends of the drive shafts 295 of the pair of left and right pull-out driving pulleys 220L and 220R are rotatably supported by the respective bearing portions 271 of the pair of left and right pull-out conveyance frames 270L and 270R, and the respective drives. The lower end portion of the shaft 295 is connected to the pair of left and right universal joints 6c and 6c, and the power branched in the left and right direction is transmitted from the front end portion of the transmission shaft 6b (see FIG. 1).

  Note that the lower ends of the pair of left and right universal joints 6c, 6c are bearing members provided at upper and lower portions of the left and right ends of a substantially T-shaped transmission branch case 6d (see FIGS. 1 and 3) in plan view. It is connected to the tip of a vertical transmission shaft 6e (see FIGS. 1 and 3) that is rotatably supported by. The transmission branch case 6d is connected to the front end portion of the transmission shaft case that houses the transmission shaft 6b, and the vertical transmission shaft 6e that transmits the power branched in the horizontal direction from the front end portion of the transmission shaft 6b in the vertical direction. The transmission mechanism is housed.

  Further, the left pulling driven pulley 230L and the left holding roller group 240L can rotate with respect to the left holding force adjusting frame 280L attached to the lower surface of the front end portion of the left pulling conveyance frame 270L so that the position can be changed. It is attached to.

  Further, the right pulling driven pulley 230R and the right holding roller group 240R can rotate with respect to the right holding force adjusting frame 280R attached to the lower surface of the front end portion of the right pulling conveyance frame 270R so that the position can be changed. It is attached to.

  Further, each of the pair of left and right holding force adjusting frames 280L and 280R is provided with two long holes 281 in the front-rear direction and in the left-right direction within the range of the long holes 281 (arrows in FIG. 5). H), and a pair of left and right clamping force adjusting frames 280L and 280R are fixed to a pair of left and right pull-out conveyance frames 270L and 270R by fastening members 282 such as bolts and nuts. is there.

  As a result, the operator loosens the fastening member 282 and slides the left and right pair of clamping force adjustment frames 280L and 280R in the left-right direction (see the arrow H in FIG. 5), and then positions the left and right by the fastening member 282. By firmly fixing each of the pair of clamping force adjustment frames 280L and 280R to the pair of left and right pulling conveyance frames 270L and 270R, the gap G (see FIG. 5) between the pair of left and right pulling conveyance belts 210L and 210R is easy. Can be adjusted.

  Therefore, the operator can easily adjust the clamping force on the upstream side of the conveyance path of the drawing conveyance device 200 according to the thickness of the foliage W1 of the radish W and the presence / absence of morning dew, so that the clamping force is weak. Too much radish W is not pulled out of the field and the labor of pulling it out manually is prevented, and the pinching force is too strong to crush the foliage W1 and the shoulder alignment device 300 takes over the foliage W1. Can be prevented, and the upper end W2b of the main body W2 of the radish W can be prevented from being returned to the original hole in the field, so that the upper end W2b of the main body W2 of the radish W is removed in a later process. Does not occur.

  Further, the operation of adjusting the clamping force on the upstream side of the conveyance path of the pulling and conveying apparatus 200 can be easily performed by loosening the fastening member 282 and sliding the pair of left and right clamping force adjustment frames 280L and 280R. As a result, work efficiency is improved.

  Instead of the above-described configuration for adjusting the clamping force of the pulling / conveying device 200 using the fastening member 282, for example, a lever mechanism is used for edible radish for processing, for example, radish for oden, for pickles It is good also as a structure which switches the said clamping force in three steps by one touch about a radish.

  Next, four sandwiching rollers constituting the pair of left and right sandwiching roller groups 240L and 240R will be described with reference to FIGS. 6 (a) and 6 (b).

  FIG. 6A is a schematic diagram for explaining a two-stage roller member 241a out of the four sandwiching rollers constituting the pair of left and right sandwiching roller groups 240L and 240R, and is a cross-sectional view taken along the line EE in FIG. It is an arrow view. FIG. 6B is a schematic diagram for explaining a single-stage roller member 241b among the four sandwiching rollers constituting the pair of left and right sandwiching roller groups 240L and 240R, and FF in FIG. It is a cross-sectional arrow view.

  The four clamping rollers constituting the pair of left and right clamping rollers 240L and 240R mounted on the pair of left and right clamping force adjusting frames 280L and 280R are close to the pair of left and right pulling driven pulleys 230L and 230R as shown in FIG. The two-stage roller member A 241a (see FIG. 6A) is arranged in order from the side, followed by one single-stage roller member 241b (see FIG. 6B), and then the two-stage roller member 241a. Two (see FIG. 6A) are respectively arranged (see FIGS. 1 and 5).

  As shown in FIG. 6A, the two-stage roller member 241a has upper and lower two-stage rollers that are in contact with the inner wall surfaces of the pair of left and right pull-out conveyor belts 210L and 210R, and are rotatably attached to the long shaft 241a1. The rib-like protrusions 211 protruding inward from the inner wall surfaces of the pair of left and right pull-out conveying belts 210L and 210R are inserted into the gap between the upper and lower two-stage rollers, so that the pressing force by the rollers can be reduced. It is a structure that is reliably transmitted to the side.

  As shown in FIG. 6B, the one-stage roller member 241b has an upper one-stage roller that is in contact with the inner wall surfaces of the pair of left and right pull-out conveyance belts 210L and 210R and is rotatably attached to the short shaft 241b1. The upper roller is disposed on the upper side of the rib-shaped protrusion 211 protruding inward from the inner wall surface of the pair of left and right pull-out conveyor belts 210L and 210R, so that the pressing force is applied to the belt side by the upper roller. And a space is secured below the roller.

  Further, since the one-stage roller member 241b is disposed corresponding to the position where the leaf and leaf portion W1 of the radish W is handed over from the pulling and conveying apparatus 200 to the shoulder aligning apparatus 300, the one-stage roller member on the bottom side of the pulling and conveying apparatus 200. Since the front end portions of the pair of left and right shoulder alignment belts 310L and 310R of the shoulder alignment device 300 can be inserted into the space 241b (see FIG. 6B), the shoulder alignment device and the pulling conveyance device 200 are aligned with the shoulder. The gap with the device 300 can be shortened, and the foliage W1 can be reliably taken over.

  As a result, the two-stage roller member 241a is brought into contact with both sides of the rib-like protrusions 211 of the pair of left and right pull-out conveying belts 210L and 210R to increase the holding force, thereby pinching the reaction force when pulling out the radish W. Can be prevented, so that the radish W can be reliably pulled out from the field.

  Further, in the pair of left and right drawing conveyance belts 210L and 210R, the front end portion of the shoulder aligning device 300 is disposed adjacent to the portion without the lower roller, and the foliage W1 is sandwiched by the one-stage roller member 241b via the belt. Therefore, the foliage W1 is prevented from falling off when the shoulder alignment device 300 takes over.

  In addition, the left pulling conveyance frame 270L supports the left first tension roller 250L, the left second tension roller 251L, and the left third tension roller 252L at respective one end portions in a rotatable manner. A first rotating arm 250b, a second rotating arm, with the front end of the first tension spring 250a, the front end of the second tension spring 251a, and the front end of the third tension spring 252a attached to the other end, respectively. 251b and the 3rd rotation arm 252b are attached so that rotation is possible centering on the 1st rotation fulcrum 250c, the 2nd rotation fulcrum 251c, and the 3rd rotation fulcrum 252c.

  Accordingly, the rear end portions of the first rotation arm 250b, the second rotation arm 251b, and the third rotation arm 252b are fixed to the side surface of the left pull-out conveyance frame 270L, respectively. Due to the elastic force contraction force of the first tension spring 250a, the second tension spring 251a, and the third tension spring 252a, an urging force that always rotates clockwise in a plan view is acting. Due to the urging force, the first tension roller 250L on the left side, the second tension roller 251L on the left side, and the third tension roller 252L on the left side press the inner peripheral surface of the left pull-out conveying belt 210L with different pressing forces. It is a configuration.

  That is, in the present embodiment, the pressing force by the left first tension roller 250L, the left second tension roller 251L, and the left third tension roller 252L becomes weaker from the upstream side to the downstream side of the conveyance path. Thus, the elastic forces of the first tension spring 250a, the second tension spring 251a, and the third tension spring 252a are adjusted in advance.

  Also for the right pull-out conveyance frame 270R, the first rotation arm 250b, the second rotation arm 251b, and the third rotation arm 252b are also in the first rotation in the same manner as the left-side extraction conveyance frame 270L. The fulcrum 250c, the second rotation fulcrum 251c, and the third rotation fulcrum 252c are attached so as to be rotatable.

  Accordingly, the first tension roller 250R on the right side, the second tension roller 251R on the right side, and the third tension roller 252R on the right side gradually weaken the inner peripheral surface of the right pulling conveyance belt 210R in the order described. It is the structure pressed with the preset pressing force.

  Further, at the rear end portion of the pulling and conveying apparatus 200, the foliage W1 cut by the foliage cutting apparatus 400 passes through the rear side of the outer peripheral edge of the right pulling drive pulley 220R and is discharged toward the right side of the machine body. Thus, the foliage discharge member 290 is provided.

  As shown in FIG. 2, the foliage discharge member 290 is curved in a generally U shape in plan view, and the curved portion is located outside the pull-out drive pulley 220 </ b> R on the right side from the exit side of the transport path of the pull-out transport device 200. An upper foliage discharge guide 291 and a lower foliage discharge guide 292, which are rod-shaped members having a circular cross section, are arranged above and below the right pulling drive pulley 220R so as to follow the rear side of the peripheral edge. And a pair of upper and lower pull-out outlet star wheels 293 and 294 that are detachably mounted at different positions on the drive shaft 295 below the right pull-out drive pulley 220R.

  The pair of upper and lower extraction outlet star wheels 293 and 294 are substantially star-shaped plate-like members in which concave and convex portions are alternately formed on the outer peripheral edge portions, and the right-hand side is located at the center of the plate-like member. It has a through hole for passing through the drive shaft 295 of the pulling drive pulley 220R. In addition, the plurality of convex portions formed on the outer peripheral edge project outward from the back side of the outer peripheral edge of the right pull-out conveying belt 210R that surrounds the right pull-out driving pulley 220R in a plan view.

  The upper extraction outlet star wheel 293 is disposed above the lower foliage discharge guide 292 in a side view, and the lower extraction outlet star wheel 294 is a lower foliage discharge guide in a side view. 292 is disposed below.

  The base 291a of the upper foliage discharge guide 291 is detachably fixed to the left pulling and conveying device cover 202L by bolts, and the tip 291b of the upper foliage discharge guide 291 extends toward the right side of the machine body.

  Further, the base 292a of the lower foliage discharge guide 292 is attached to and detached from a guide fixing plate (not shown) whose one end is fixed to the inner side surface of the left pull-out conveying frame 270L and the other end extends downward. The tip 292b of the lower foliage discharge guide 292 extends toward the right side of the aircraft.

  The upper foliage discharge guide 291 of the present embodiment is an example of the first guide member of the present invention, and the lower foliage discharge guide 292 of the present embodiment is an example of the second guide member of the present invention.

  Thereby, after the foliage part cut | disconnected by the foliage rotary blade 410 is conveyed to the exit side of the conveyance path of the extraction conveyance apparatus 200, the uneven | corrugated | grooved part of star foil 293,294 for a pair of upper and lower extraction exits, and a lower foliage While being held between the discharge guides 292, as the pair of upper and lower pull-out outlet star wheels 293 and 294 are rotated, they move along the inner peripheral walls of the upper and lower pair of foliage discharge guides 291 and 292, and It is discharged on the right side.

  The pair of upper and lower pull-out outlet star wheels 293 and 294 is configured to be divided in half by using the through hole as a boundary.

  Accordingly, the pair of upper and lower pull-out outlet star wheels 293 and 294 can be divided and detached while the pair of left and right pull-out drive pulleys 220L and 220R are attached. For any of the drive shafts 295, the mounting of the pair of upper and lower pull-out outlet star wheels 293 and 294 can be easily changed. Alternatively, a pair of upper and lower extraction outlet star wheels 293 and 294 may be mounted on the drive shafts 295 of the pair of left and right extraction drive pulleys 220L and 220R, respectively.

  In addition, the radish W of this Embodiment corresponds to an example of the crop of this invention. Further, the stem and leaf portion W1 of the present embodiment corresponds to an example of the leaf portion of the present invention, and the main body portion W2 of the radish W of the present embodiment corresponds to an example of the main body portion of the crop of the present invention.

  Moreover, the main part of the crop of the present invention refers to the lower part (see reference numeral W2 in FIG. 1) from where the crop is thickened, and the leaf part of the crop of the present invention is thickened of the crop. The upper part (see reference numeral W1 in FIG. 1).

  The pulling and conveying apparatus 200 of the present embodiment is an example of the pulling and conveying apparatus of the present invention, and the shoulder aligning apparatus 300 of the present embodiment is an example of the position aligning apparatus of the present invention. Further, the foliage cutting device 400 of the present embodiment is an example of the leaf cutting device of the present invention, and the trunk cutting device 500 of the present embodiment is an example of the main body cutting device of the present invention.

  Further, the pair of left and right drawing conveyance belts 210L and 210R of the present embodiment is an example of a pair of left and right endless drawing conveyance belts of the present invention. The pair of left and right pulling drive pulleys 220L and 220R of the present embodiment is an example of the pair of left and right pulling drive pulleys of the present invention, and the pair of left and right pulling driven pulleys 230L and 230R of the present embodiment are the same as those of the present invention. This is an example of a pair of left and right pulling driven pulleys.

  Next, the shoulder alignment device 300 described above will be further described mainly with reference to FIG.

  FIG. 7 is a schematic plan view of a main part of the shoulder aligner 300.

As shown in FIG.
1. A pair of left and right endless shoulder alignment belts 310L and 310R disposed below the above-described pulling and conveying apparatus 200;
2. A pair of left and right shoulder alignment drive pulleys 320L and 320R disposed on the rear end side for driving the pair of left and right shoulder alignment belts 310L and 310R;
3. A pair of left and right shoulder-aligned driven pulleys 330L, 330R arranged on the front end side;
4). Arranged between the pair of left and right shoulder-aligned driven pulleys 330L and 330R and the pair of left and right shoulder-aligned driving pulleys 320L and 320R, and from the upstream side to the downstream side with respect to the transport direction A ′ (see arrow A ′ in FIG. 7) A pair of left and right shoulder aligned first rollers 340L and 340R, a pair of left and right shoulder aligned second rollers 350L and 350R, a pair of left and right shoulder aligned third rollers 380L and 380R, A pair of shoulder aligned fourth rollers 390L, 390R;
5. A left shoulder alignment tension pulley group 360L that is disposed outside and inside the left shoulder alignment belt 310L and adjusts the tension of the entire left belt;
6). A right shoulder alignment tension pulley group 360R that is disposed outside and inside the right shoulder alignment belt 310R and adjusts the tension of the entire right belt;
7). A plate member having a substantially rectangular shape in plan view, and a driven pulley support portion 331 that supports each of the pair of left and right shoulder aligned driven pulleys 330L and 330R so as to be rotatable from the lower side at the respective front end portions. The mounting position is held so as to be changeable (see arrow H in FIG. 7), and the shoulder alignment drive shafts 321 of the pair of left and right shoulder alignment drive pulleys 320L and 320R can be rotated at the respective rear end portions. A pair of left and right shoulder alignment stays 370L and 370R to which a driving pulley support (not shown) for supporting is fixed by welding;
It has.

  The pair of left and right shoulder alignment stays 370L and 370R are arranged on the lower surface side of the pair of left and right shoulder alignment driving pulleys 320L and 320R and the pair of left and right shoulder alignment driven pulleys 330L and 330R, A pair of left and right main frames 9L and 9R are detachably connected to the front end portions of the pair of left and right main frames 9L via a fixing plate (not shown) fixed by welding.

  Further, the upper end portions of the shoulder alignment drive shafts 321 and 321 of the pair of left and right shoulder alignment drive pulleys 320L and 320R are respectively a pair of left and right first sprockets to be described later housed in transmission cases 8L and 8R disposed on the left and right. The rotating shafts of 610L and 610R (see FIGS. 1 and 7) are detachably inserted and connected by spline connection.

  A pair of left and right disk-shaped drum cutting rotary blades 510L and 510R are provided with respect to rotating shafts 621 and 621 extending downward from a pair of left and right second sprockets 620L and 620R (see FIGS. 1 and 7) described later. It is detachably inserted and connected by spline connection via the boss portion 511.

  Further, the pair of left and right disk-shaped rotary cutting blades 510L and 510R are attached at positions slightly shifted from each other in the vertical direction in a side view, and the respective diameters of the rotary blades are as shown in FIG. The outer peripheral portion is set so as to overlap below the conveyance path formed between the pair of left and right shoulder alignment belts 310L and 310R in plan view.

  In addition, the height of the boss portion 511 provided on the central axis on the upper surface of the pair of left and right disk-shaped drum cutting rotary blades 510L and 510R is such that the pair of left and right drum cutting rotary blades 510L and 510R are connected to the rotation shafts 621 and 621. On the other hand, the height is set so as not to interfere with the lower surfaces of the pair of left and right shoulder alignment belts 310L and 310R in a state of being inserted and connected by spline connection.

  In addition, a disc-shaped or cylindrical spacer (not shown) that can be inserted into the rotation shafts 621 and 621 of the pair of left and right second sprockets 620L and 620R is provided. A single or plural spacers are inserted into the rotary shafts 621 and 621, and then a pair of left and right body cutting rotary blades via the bosses 511 and 511 with respect to the rotary shafts 621 and 621 protruding from the lower end of the spacer. In this configuration, 510L and 510R can be connected by spline.

  Moreover, since the upper and lower ends W2b of the radish W can be sandwiched from the left and right by providing the pair of left and right body cutting blades 510L and 510R, the upper end W2b of the radish W can be completely cut off from the field V. The cut surface of the extracted radish W is finished beautifully.

  In addition, the spacer can be detachably mounted between the upper surfaces of the boss portions 511 and 511 of the pair of left and right disk-shaped rotary blades 510L and 510R and the lower surfaces of the pair of left and right second sprockets 620L and 620R. Thus, since the cutting position of the upper end W2b of the main body W2 of the radish W can be changed, a cutting position that matches the size of the radish and the conditions at the time of shipment can be realized, and the work efficiency is improved.

Further, a boss (not shown) having a predetermined height is provided at the center of the upper surface of the pair of left and right body cutting rotary blades 510L and 510R.
1. When the spacer is not mounted, a certain height is ensured by the presence of the boss between the lower surfaces of the transmission cases 8L and 8R arranged on the left and right sides and the upper surfaces of the pair of left and right body cutting rotary blades 510L and 510R. To form a certain gap,
2. When the spacer is mounted, the boss is present between the lower surface of the spacer mounted on the lower surface side of the pair of left and right second sprockets 620L and 620R and the upper surface of the pair of left and right body cutting rotary blades 510L and 510R. A certain gap is formed by ensuring a predetermined height.

  Thereby, a constant gap can always be secured on the upper surface of the pair of left and right body cutting rotary blades 510L and 510R, so fragments such as the upper end W2b of the radish W cut by the pair of left and right body cutting rotary blades 510L and 510R, The spacer mounted between the lower surface of the transmission cases 8L and 8R arranged on the left and right and the upper surface of the pair of left and right body cutting rotary blades 510L and 510R or on the lower surface side of the pair of left and right shoulder alignment driving pulleys 320L and 320R Since the clogging can be prevented between the lower surface of the right and the upper surfaces of the pair of left and right body cutting rotary blades 510L and 510R, the work of removing the clogged radish W debris becomes unnecessary.

  Even when the spacer is not mounted, a boss portion 511 having a predetermined height is provided on the upper surface of the pair of left and right body cutting rotary blades 510L and 510R, and a certain gap is secured. The blades 510L and 510R can be prevented from coming into contact with the lower surfaces of the pair of left and right shoulder alignment belts 310L and 310L.

  As described above, the pair of left and right shoulder stays 370L and 370R can be attached to and removed from the front end portions of the pair of left and right main frames 9L and 9R with a fastening member, for example, a bolt and a nut, via a mounting plate (not shown). In addition, the upper end portions of the shoulder alignment drive shafts 321 and 321 are inserted and connected detachably by spline connection to the rotation shafts of the pair of left and right first sprockets 610L and 610R. In the case of only rough cutting work in which the cutting positions of the foliage W1 are not aligned, the shoulder aligning device 300 can be removed, so that the degree of freedom of the work contents that can be handled is increased.

  Further, the left shoulder alignment first roller 340L is rotatably attached to a left belt interval first adjustment plate 341L attached to the lower surface of the left shoulder alignment stay 370L so that the position thereof can be changed.

  Further, the right shoulder alignment first roller 340R is rotatably attached to the right belt interval first adjustment plate 341R attached to the lower surface of the right shoulder alignment stay 370R so that the position thereof can be changed.

  Further, each of the pair of left and right belt spacing first adjustment plates 341L and 341R is provided with a long hole 342 which is long in the left and right direction, and within the range of the long hole 342 (see arrow H in FIG. 7). ), And after positioning, a pair of left and right belt spacing first adjustment plates 341L and 341R are fixed to a pair of left and right shoulder alignment stays 370L and 370R by fastening members 343 such as bolts and nuts. is there.

  Further, the left shoulder alignment second roller 350L is rotatably mounted on a left belt interval second adjustment plate 351L attached to the lower surface of the left shoulder alignment stay 370L so that the position thereof can be changed.

  Also, the right shoulder alignment second roller 350R is rotatably attached to the right belt interval second adjustment plate 351R attached to the lower surface of the right shoulder alignment stay 370R so that the position thereof can be changed.

  Further, each of the pair of left and right belt spacing second adjustment plates 351L and 351R is provided with a long hole 342 which is long in the left and right direction, and within the range of the long hole 342 (see arrow H in FIG. 7). ), And a pair of left and right belt spacing second adjustment plates 351L and 351R are fixed to a pair of left and right shoulder alignment stays 370L and 370R by fastening members 343 such as bolts and nuts. is there.

  The pair of left and right shoulder aligned third rollers 380L and 380R and the pair of left and right shoulder aligned fourth rollers 390L and 390R also include the pair of left and right shoulder aligned first rollers 340L and 340R described above and the pair of left and right aligned shoulders. Similarly to the two rollers 350L and 350R, the pair of left and right belt spacing third adjustment plates and the belt spacing fourth adjustment plate attached to the lower surfaces of the pair of left and right shoulder alignment stays 370L and 370R, respectively, It is mounted so that it can rotate.

  As a result, the operator loosens the fixing members (not shown) that individually fix the pair of left and right driven pulley support portions 331 and 331 to the pair of left and right shoulder alignment stays 370L and 370R, respectively. A pair of left and right driven pulleys are fixed by the respective fixing members after sliding and positioning in the left and right direction (see arrow H in FIG. 5) so that the belt interval J1 on the entrance side of the transport path becomes a desired dimension. The support portions 331 and 331 are firmly fixed to the pair of left and right shoulder alignment stays 370L and 370R.

  Furthermore, the operator loosens the fastening member 343, and the belt interval of the conveyance path gradually becomes narrower from the upstream side toward the downstream side, and the body cutting device 500 (see FIGS. 1 and 7) in plan view. Therefore, the belt distance J2 (see FIG. 7) at the position opposed to the pair of left and right shoulder-aligned second rollers 350L and 350R, which roughly corresponds to the position at which the upper end W2b of the main body W2 of the radish W is started, is the minimum dimension. The left and right pair of belt spacing first adjustment plates 341L and 341R, and the pair of left and right belt spacing second adjustment plates 351L and 351R on the downstream side thereof are individually set in the left and right direction (arrows in FIG. 7). H), and the positioning member 343 is used to position the pair of left and right belt spacing first adjustment plates 341L and 341R and the pair of left and right belts. The distance between the pair of left and right shoulder alignment belts 310L and 310R is fixed to the pair of left and right shoulder alignment stays 370L and 370R by firmly fixing the second interval adjustment plates 351L and 351R, etc. (see FIG. 7). ) Can be easily adjusted.

  In the present embodiment, the belt interval at the position where the pair of left and right shoulder aligned third rollers 380L and 380R face each other and the belt interval at the position where the pair of left and right shoulder aligned fourth rollers 390L and 390R face each other are also described above. Is set to be the same as the interval J2.

  Therefore, according to the above configuration, the operator can adjust the pair of left and right driven pulley support portions 331 and 331, the pair of left and right belt interval first adjustment plates 341L and 341R, and the pair of left and right pair of left and right belt intervals. The plates 351L, 351R, etc. can be individually slid in the left-right direction (see arrow H in FIG. 7) and positioned, and can be firmly fixed to the pair of left and right shoulder alignment stays 370L, 370R. The width of the passage formed by the shoulder alignment belts 310L and 310R (see reference numerals J1 and J2 in FIG. 7) is widely adjusted, for example, when the diameter of the large radish is 20 mm to 60 mm for oden, and pickles In the case of a small radish diameter of 10 mm to 40 mm, it can be adjusted narrowly.

  Further, the single foliage rotary blade 410 of the above-described foliage cutting device 400 is provided on a rotating shaft 721 protruding upward from a second sprocket 720 for foliage cutting device, which will be described later, housed in the left transmission case 8L. On the other hand, it is inserted and connected so as to be detachable by spline connection, and the mounting height of the single foliage rotary blade 410 can be changed by using the same spacer as in the case of the trunk cutting device 500 described above. Has been.

  Further, the cutting guide bar 420 of the above-described foliage cutting device 400 has a substantially inverted L shape in a side view, and a lower end portion thereof is welded and fixed to a side surface of the right shoulder alignment stay 370R. The distal end side of the upper end portion is located above the rotary blade 410 so as not to interfere with the single foliage rotary blade 410 and is disposed at a position overlapping the outer peripheral portion of the rotary blade 410 in plan view. (See FIG. 7).

  Next, the main body upper end portion discharge guide 800 having the same structure as the upper foliage discharge guide 291 (see FIGS. 1 and 2), which is a rod-shaped member having a circular cross section, will be described.

  That is, at the rear end of the shoulder aligner 300, the upper end W2b of the main body W2 cut by the trunk cutting device 500 passes through the rear side of the outer peripheral edge of the right shoulder aligner driving pulley 320R, and is drawn and conveyed. The upper end of the main body is discharged so as to be discharged from the rear wheel drive shaft 3Ra (see FIG. 2) on the right rear wheel 3R in a plan view in a position away from the radish W pulled out by the device 200. A guide 800 is provided.

  As shown in FIGS. 2 and 7, the upper end discharge guide 800 of the main body is curved in a substantially U shape in plan view, and the curved portion is located on the right shoulder from the exit side of the conveyance path of the shoulder aligner 300. It is arranged above the right shoulder alignment drive pulley 320R along the rear side of the outer peripheral edge of the alignment drive pulley 320R.

  Specifically, the base 801 of the upper end discharge guide 800 of the main body is detachably fixed to the right outer surface of the left transmission case 8L.

  It should be noted that the shoulder outlet star wheel (not shown) having the same configuration as the extraction outlet star wheel 293 of the above-described foliage discharge member 290 is provided with the upper surface of the right shoulder alignment driving pulley 320R and the lower surface of the right transmission case 8R. Between the right shoulder alignment drive pulley 320R and the shoulder alignment drive shaft 321 may be detachably attached. As a result, the foliage remaining on the upper end W2b of the main body W2 cut by the body cutting device 500 is more reliably secured by the irregularities on the outer peripheral edge of the shoulder foil for the shoulder alignment outlet and the main body upper end discharge guide 800. And is discharged rearward from the rear wheel drive shaft 3Ra on the right rear wheel 3R.

  As a result, the portion cut by the trunk cutting device 500 and discharged by the upper end discharge guide 800 of the main body falls to a place away from the position of the radish returned to the original hole, thereby preventing the recovery of the radish. This improves the efficiency of collection work.

  Further, the rear wheels 3L and 3R step on the discharged parts, the working posture of the machine body is disturbed, the pulling and conveying device 200 fails to pull out the radish, and the cutting surface on the upper end side of the main body is rough, resulting in a commercial value. Decrease is prevented.

  The main body upper end portion discharge guide 800 of the present embodiment is an example of the main body upper end portion discharge guide member of the present invention.

  Next, the upper end portion W2b of the main body W2 of the radish W is cut by the trunk cutting device 500, and the radish inclination is brought into contact with the back side of the radish returned to the original hole of the field V so that the radish is inclined forward. The apparatus 900 will be described with reference to FIG.

As shown in FIG.
1. A contact member 910 that tilts the radish forward each time it comes into contact with the back side of the radish returned to the original hole, and temporarily moves backward by a counter force from the tilted radish;
2. A counter switch 920 that detects the number of backward movements of the contact member that is repeated each time the contact member 910 contacts the radish;
It has.

  The contact member 910 is a rectangular plate-like member that is long in the horizontal direction in the front view, and includes a resin member that forms the upper end portion of the plate-like member and a lower portion that is connected to the resin member. It is comprised integrally with the rubber member.

  In addition, the upper end portion of the contact member 910 is rotatably attached to a radish inclination device attachment stay 930 that is bridged and fixed to the lower surfaces of the pair of left and right main frames 9L and 9R.

  The contact member 910 is disposed substantially below the pair of left and right shoulder driving pulleys 320L and 320R in a side view.

  As a result, when the rubber member portion of the contact member 910 pushes the radish, the radish inclines forward, and the resin member portion connected to the rubber member moves backward to move the counter switch 920. By pressing the protrusion, the number of radishes extracted by the extraction conveying device 200 can be counted and displayed.

  Therefore, since the operator can easily grasp the number of radish collected by reading the numerical value displayed on the counter switch 920, there is no need for the operator to count the collected radish, and the work efficiency is improved. Labor can be reduced.

  In addition, the radish tilting apparatus 900 of this Embodiment is an example of the crop tilting apparatus of this invention. The contact member 910 of the present embodiment corresponds to an example of a crop contact member of the present invention, and the counter switch 920 of the present embodiment corresponds to an example of a number detection member of the present invention.

  According to the above configuration, when the radish W is pulled out, the pulling / conveying device 200 can be pulled out by appropriately performing the left / right direction (see arrow H in FIG. 5) of the pair of left and right clamping rollers 240L and 240R of the pulling / conveying device 200. On the other hand, in the range where the greatest load is applied, the pressing force by each clamping roller is reliably transmitted to the pair of left and right drawing conveyance belts 210L and 210R, and the foliage W1 of the radish W is firmly clamped and moved rearward and obliquely upward. Thus, the main body W2 of the radish W is reliably pulled out from the field V.

  Thereafter, as the pair of left and right first tension rollers 250L and 250R is conveyed toward the third tension rollers 252L and 252R, the belt clamping force by each tension roller of the pulling and conveying apparatus 200 becomes weaker.

  On the other hand, the belt interval J1 (see FIG. 7) on the entrance side of the conveyance path in the shoulder aligner 300 arranged horizontally with respect to the field V is below the shoulder W2a at the upper end of the radish W. Is set so as not to pass through upward, and is configured not to prevent upward movement of the radish W by the pulling and conveying device 200. However, as described above, the belt interval of the conveying path of the shoulder aligning device 300 is as follows. As it goes from the upstream side toward the downstream side, it gradually becomes narrower, and the clamping force by the pair of left and right shoulder alignment belts 310L, 310R becomes gradually stronger.

  Thereby, as shown in FIG. 1, the foliage W1 of the radish W is moved rearward and obliquely upward along the conveyance direction A (see FIG. 5) of the pulling and conveying apparatus 200, but the main body W2. The upper end shoulder W2a of the shoulder aligner 300 is in contact with the lower surfaces 310La and 310Ra (see FIG. 6B) of the pair of left and right shoulder aligning belts 310L and 310R of the shoulder aligning device 300 so that upward movement is restricted. . When the shoulder W2a of the radish W comes into contact with the lower surfaces 310La and 310Ra of the pair of left and right shoulder alignment belts 310L and 310R, the gripping force by the pulling / conveying device 200 is weak and the gripping force by the shoulder alignment device 300 is strong. Therefore, the upward movement of the shoulder W2a is restricted downstream from the contact position, and the upper end W2b of the main body W2 of the radish W is cut by the trunk cutting device 500 (see FIGS. 1 and 7). In the vicinity of the start position, the position of the shoulder W2a of the radish W in the height direction is aligned.

  As a result, the shoulder aligner 300 aligns the position of the shoulder W2a of the radish W, so the upper end W2b of the main body W2 of the radish W of the radish W is reliably cut at a desired position by the trunk cutting device 500. The foliage cutting device 400 can cut the foliage W1 of the radish W at a desired position. Further, since the cutting of the main body W2 is started before the cutting of the foliage W1 of the radish W is started, when the main body W2 is cut, the foliage W1 is connected to the pulling and conveying device 200 and the shoulder alignment device. Since it is firmly held by the upper and lower positions by 300, for example, it is possible to prevent the occurrence of the shift in the cutting position and the occurrence of cutout that the main body part W2 is shifted forward and cut obliquely at the time of cutting. The surface is also beautifully finished.

  In addition, after the upper end W2b of the main body W2 of the radish W is cut, the main body W2 of the radish W falls and returns to the original hole (see FIG. 1). Therefore, it is not necessary to perform the cutting operation of the upper end W2b of the main body W2 of the radish W in post-processing, so that the work efficiency can be improved and the labor can be reduced.

  In addition, the radish tilting device 900 can tilt the radish returned to the hole in the field forward, and the hole at the place where the radish was vegetated becomes large, so that it is easy for the operator to lift up when collecting the radish. As a result, work efficiency is improved.

  Further, the provision of the counter switch 920 eliminates the need for the operator to count the number of collected radishes.

  Further, since the foliage W1 cut by the foliage cutting device 400 does not have the upper end W2b of the radish W, the upper foliage discharge guide 291 and the lower foliage discharge from the exit of the conveyance path of the pulling conveyance device 200. It is guided by the guide 292 and is smoothly discharged to the right side of the aircraft without being caught.

  Further, by making the foliage discharge member 290 detachable and changing the discharge direction of the cut foliage part, cut foliage according to the cultivation position of the radish and the necessity of recovery of the cut foliage part Since the discharge position of the portion can be changed, the stems and leaves that have been discharged and fall over the radish are prevented from interfering with the recovery operation of the radish, and the work efficiency is improved.

  Further, the upper end portion W2b of the radish W cut by the trunk cutting device 500 has a stem and leaf portion left on the shoulder portion on the right side from the exit side of the conveying path of the shoulder alignment device 300 by the main body upper end portion discharge guide 800. By being conveyed along the rear side of the outer peripheral edge portion of the alignment drive pulley 320R, it is discharged rearward from the rear wheel drive shaft 3Ra on the right rear wheel 3R.

  Further, the respective shoulder alignment drive shafts 321 and 321 of the pair of left and right shoulder alignment drive pulleys 320L and 320R are a pair of left and right body cutting rotary blades based on the conveying direction of the shoulder alignment device 300 (see arrow A ′ in FIG. 7). By being arranged downstream of the boss portions 511 and 511 of each of 510L and 510R, the load generated when the pair of left and right body cutting rotary blades 510L and 510 cuts the radish is used as a pair of left and right shoulder alignment driving pulleys 320L. , 320R shoulder alignment drive shafts 321 and 321 can be prevented from being directly received, so that the conveyance operation by the pair of left and right shoulder alignment belts 310L and 310R is prevented from being unstable, and the cutting position of the main part of the radish, It is prevented that the cutting position of the foliage is disturbed and the radish is not sufficiently pulled out.

  Further, according to the above configuration, the exit side of the conveyance path of the shoulder aligner 300 can be positioned on the rear side of the machine body, that is, on the rear side of the pair of left and right rear wheels 3L, 3R. It is possible to prevent the upper end portion of the discharged radish from falling on the course of the pair of left and right rear wheels 3L and 3R.

  Note that the pair of left and right shoulder alignment belts 310L and 310R of the present embodiment is an example of a pair of left and right endless alignment belts of the present invention. Further, the pair of left and right shoulder drive pulleys 320L and 320R of the present embodiment is an example of the pair of left and right alignment drive pulleys of the present invention.

  Moreover, the single foliage rotary blade 410 of this Embodiment corresponds to an example of the leaf cutting blade of the present invention. Further, the pair of left and right body cutting rotary blades 510L and 510R of the present embodiment is an example of the pair of left and right main body cutting blades of the present invention.

  Next, referring to FIG. 7, a pair of left and right first chain transmission mechanisms that transmit the driving force from the engine 4 to the pair of left and right shoulder alignment driving pulleys 320L and 320R and the pair of left and right body cutting rotary blades 510L and 510R. The second chain transmission mechanism 700 that transmits the driving force from the engine 4 to the single foliage rotary blade 410 will be described while describing 600L and 600R.

  The pair of left and right first chain transmission mechanisms 600L and 600R are accommodated in transmission cases 8L and 8R arranged on the left and right, and the second chain transmission mechanism 700 is accommodated in a transmission case 8L arranged on the left side. ing.

As shown in FIG. 7, the pair of left and right first chain transmission mechanisms 600L and 600R are
1. The power branched in the left-right direction from the front end portion of the transmission shaft 6b (see FIG. 7) is transmitted through a pair of left and right vertical transmission shafts 6e, 6e that are vertically disposed at the left and right ends of the transmission branch case 6d. 1 sprocket 610L, 610R,
2. The rotary shafts 621 and 621 that are disposed in front of the pair of left and right first sprockets 610L and 610R and extend long downward are provided on the rotary shafts 621 and 621, respectively. A pair of left and right second sprockets 620L, 620R that are detachably connected by spline;
3. A pair of left and right first transmission chains 630L and 630R wound around a pair of left and right first sprockets 610L and 610R and a pair of left and right second sprockets 620L and 620R;
It has.

Further, as shown in FIG. 7, the second chain transmission mechanism 700 is
1. The power that is branched leftward from the front end of the transmission shaft 6b (see FIG. 7) is transmitted via the vertical transmission shaft 6e that is arranged perpendicularly to the right end of the transmission branch case 6d. A first sprocket 710 for a foliage cutting device disposed coaxially with the sprocket 610L and immediately above the first sprocket 610L;
2. A second sprocket for a foliage cutting device, which is disposed below a single foliage blade 410 and has a pivot shaft extending upward, and the foliage blade 410 is detachably connected to the pivot shaft. 720,
3. A second transmission chain 730 wound around the first sprocket 710 for foliage cutting device and the second sprocket 720 for foliage cutting device;
It has.

  In addition, since a space is secured below the trunk cutting device 500 with the above configuration, the upper end W2b is cut and comes into contact with the radish W that is returned to the original hole of the field V, so that the main body W2 is damaged. This prevents the product value from being lowered.

  Further, since the rubber member portion of the contact member 910 that presses the radish main body W2 has elasticity, the radish main body W2 is not damaged, and the commercial value is prevented from being lowered. .

  In addition, by arranging the pair of left and right shoulder alignment belts 310L and 310R so as to be substantially horizontal with respect to the field scene, when aligning the position of the shoulder W2a at the upper end of the main body W2 of the radish W, Since the shoulder W2a at the upper end of the main body W2 of the radish W comes into contact with the lower surfaces 310La and 310Ra of the pair of left and right shoulder alignment belts 310L and 310R, it can be prevented from being lifted further upward. The belt is prevented from turning up and coming off.

  In addition, since the pulling and conveying apparatus 200 is provided with a pair of left and right holding roller groups 240L and 240R, the holding force near the entrance of the conveying path of the drawing and conveying apparatus 200 is increased. Can be reliably pulled out from the field, improving the efficiency of the radish collection work.

  Further, each of the pair of left and right pulling / conveying device covers 202L and 202R described above is configured to be divided forward and backward in the vicinity of the center in a plan view as shown in FIG.

  That is, the left pulling / conveying device cover 202L includes a left front cover 202La and a left rear cover 202Lb, and the right pulling / conveying device cover 202R includes a right front cover 202Ra and a right rear cover 202Rb. Has been.

  Thereby, for example, when adjusting the right pulling drive pulley 220R side, the necessary work can be performed by removing only the right rear cover 202Rb portion of the right pulling conveyance device cover 202R. When adjusting the pull-out driven pulley 230L side, a necessary work can be performed by removing only the left front cover 202La portion of the left-side pull-out conveying device cover 202L, so that work efficiency is improved.

  Further, as shown in FIG. 1, each of the pair of left and right drawing / conveying device covers 202L, 202R sandwiches and conveys the foliage W1 of the radish W among the outer peripheral side surfaces of the pair of left and right drawing conveying belts 210L, 210R. A pair of left and right conveying belt cover overhanging portions 202LL that covers a portion constituting the conveying path, a peripheral portion of the pair of left and right pulling drive pulleys 220L and 220R, and a portion excluding the peripheral portion of the pair of left and right pulling driven pulleys 230L and 230R. , 202RR.

  The pair of left and right conveying belt cover overhang portions 202LL and 202RR in the left rear cover 202Lb and the right rear cover 202Rb covers the foliage cutting device 400 and the trunk cutting device 500 from the left and right sides as viewed from the side. Under the foliage discharge member 290, both side back covers 204 that cover the rear end side of the pulling and conveying apparatus 200 in a plan view are detachably fixed with bolts and nuts.

  Thereby, it can prevent that the foliage W1 cut | disconnected on the foliage cutting device 400 falls, and a cutting | disconnection defect generate | occur | produces.

  Moreover, since this can cover the foliage rotary blade 410 and the pair of left and right body cutting rotary blades 510L and 510R, safety is improved.

  In the above embodiment, in the plan view of the pair of left and right body cutting rotary blades 510L and 510R, the portion of the blade edge on the upstream side of the portion existing on the conveyance path formed by the pair of left and right shoulder alignment belts 310L and 310R In the planar view of the single foliage rotary blade 410, the case where it is configured to be positioned upstream from the portion of the upstream blade tip of the portion existing on the conveyance path has been described, but the present invention is not limited thereto. For example, in the plan view of the pair of left and right trunk cutting rotary blades 510L and 510R, the portion of the blade tip upstream of the portion existing on the conveyance path formed by the pair of left and right shoulder alignment belts 310L and 310R is a single foliage rotation. You may be comprised so that it may be located in the downstream from the site | part of the blade edge of the upstream of the part which exists on the said conveyance path by the planar view of the blade 410. FIG. Even in this case, by providing a body cutting device that cuts the upper end of the main part of the radish, there is no need to cut the upper end of the main part of the radish by post-processing, improving work efficiency and reducing labor. Mitigation is achieved.

  Further, in the above embodiment, the boss portions 511 and 511 of the pair of left and right body cutting rotary blades 510L and 510R and the shoulder alignment drive shafts 321 and 321 of the pair of left and right shoulder alignment drive pulleys 320L and 320R, Although the case where it arrange | positions in a different position by planar view was demonstrated, it is not restricted to this, For example, these boss | hub parts 511 and 511 and the shoulder alignment drive shafts 321 and 321 are connected detachably by the spline coupling on the same axis | shaft. An arranged configuration may be used. A configuration example in this case is shown in FIG.

  FIG. 8 is a schematic plan view showing a second shoulder aligner 1300, a pair of left and right torso rotary blades 510L and 510R, and a second foliage rotary blade 1410 as a configuration example different from the configuration example shown in FIG. . The same components as those shown in FIG.

  In the configuration example shown in FIG. 8, the pair of left and right body cutting rotary blades 510L and 510R, in plan view, of the cutting edge upstream of the portion existing on the conveyance path formed by the pair of left and right second shoulder alignment belts 1310L and 1310R. The part is configured to be positioned downstream of the part of the blade edge on the upstream side of the part existing on the conveyance path in a plan view of the single second foliage rotary blade 1410.

  Further, in order to prevent the foliage portion W1 from being pushed by the second foliage rotary blade 1410 and escaping, the first foliage blade W1 is guided to the second foliage rotary blade 1410 side in a substantially inverted L-shape in a side view. Two cutting guide bars 1420 are provided.

  Also, the pair of left and right body cutting rotary blades 510L and 510R are connected to the second shoulder alignment drive shafts 1321 and 1321 extending downward from the pair of left and right second shoulder alignment drive pulleys 1320L and 1320R through splines. Is detachably inserted from below. In the case of the configuration shown in FIG. 8, a pair of left and right second shoulders is provided on the rotating shafts 621 and 621 extending downward from the pair of left and right second sprockets 620L and 620R housed in the left and right transmission cases 8L and 8R. The alignment drive pulleys 1320L and 1320R are detachably inserted and connected by spline connection.

  In the case of the configuration of FIG. 8, the second sprocket 1720 for second foliage cutting unit housed in the left transmission case 8L is disposed in front of the second left sprocket 620L in plan view.

  In addition, the single second foliage rotary blade 1410 disposed above the left transmission case 8L is splined with respect to the second rotating shaft 1721 protruding upward from the second sprocket 1720 for the second foliage cutting device. It is detachably inserted by connection. Further, in the left transmission case 8L, another second transmission chain 1730 in which the first sprocket 710 for foliage cutting device and the second sprocket 1720 for the second foliage cutting device are wound is disposed. .

  According to the configuration shown in FIG. 8, the pair of left and right body cutting rotary blades 510L and 510R are coaxially connected to the second shoulder alignment drive shafts 1321 and 1321 of the pair of left and right second shoulder alignment drive pulleys 1320L and 1320R by spline connection. By adopting the configuration connected above, the front and rear width of the second shoulder aligner 1300 can be shortened, the structure can be simplified, the cost can be reduced, and the body weight can be reduced.

  In the above-described embodiment, the configuration in which the star wheel or the like is not provided between the pair of left and right body cutting rotary blades 510L and 510R and the pair of left and right shoulder alignment belts 310L and 310R has been described. A configuration in which a pair of left and right soft star foils or the like are provided between them may be used. According to this structure, it becomes easy to convey backward, without clogging the upper end part of the main part of the cut radish. Further, a pair of left and right soft star wheels may be provided on the rotation shafts of the pair of left and right body cutting rotary blades 510L and 510R.

  Moreover, in the radish drawing machine 1 of the said embodiment, although the structure which provided the foliage rotary blade 410 above the shoulder alignment apparatus 300 was demonstrated, it is good also as a structure which set the diameter of this foliage rotary blade 410 still larger. As a result, the large diameter foliage rotary blade covers most of the upper surface of the rear portion of the shoulder aligner 410 in plan view, so that the debris and soil of the foliage falling from above are shoulder aligned belts of the shoulder aligner 300. The effect as a guard body which makes it difficult to enter the rotating parts such as 310L and 310R is exhibited.

  Moreover, in the radish drawing machine 1 of the said embodiment, the foliage rotary blade 410 rotatably provided above the shoulder alignment apparatus 300 is the 2nd for foliage part cutting device accommodated in the left transmission case 8L. In the above description, it is assumed that the rotating shaft 721 (see FIG. 7) protruding upward from the sprocket 720 is spline-connected, that is, the foliage rotating blade 410 is supported rotatably from below. However, the present invention is not limited to this. For example, the left and right pulling conveyance frame 270L of the pulling and conveying apparatus 200 is provided with a bearing portion at the upper end of the rotation shaft of the foliage rotating blade 410, so that the foliage rotating blade 410 is formed. It is good also as a structure supported so that rotation from both up and down is possible.

  Moreover, in the said embodiment, the counter switch 920 (refer FIG. 1) counts the frequency | count of the movement to the back of the said contact member repeated whenever the contact member 910 contacts a radish, and the number of radishes is detected. The configuration to be described has been described. However, the present invention is not limited to this, for example, instead of the foliage rotary blade 410, it includes a non-rotating rectangular straight blade arranged so as to incline and cross the conveying path of the shoulder alignment device 300 in plan view, One end of the straight blade on the upstream side in the longitudinal direction is supported so as to be rotatable within a certain rotation range, for example, 0 ° to 5 °, and the blade edge of the straight blade is supported by a spring member. A configuration in which the counter switch is provided so as to be able to come into contact with the back surface of the other end portion on the downstream side in the longitudinal direction of the straight blade may be employed. As a result, the foliage W1 of the radish W conveyed by the drawing / conveying device 200 abuts against the cutting edge of the straight blade and opposes the urging force of the spring member, and the straight blade is turned downstream with its one end as a rotation center. The number of radishes can be counted when the counter blade is pushed by the back of the other end of the straight blade. Note that the straight blade is rectangular in consideration of the stability of the posture when coming into contact with the crop as an example, but an arcuate blade such as a knife or sword in consideration of the cutting ability of the crop. It is good also as what has a saw blade-shaped blade part in order to make it have, and to make a blade easy to bite into a crop.

  Further, in the radish drawing machine 1 of the above embodiment, a pair of left and right shoulder alignment belts 310L, 310R is provided by providing brushes or scrapers (not shown) on the outer surfaces of the transmission cases 8L, 8R arranged on the left and right. It is good also as a structure which cleans the outer peripheral surface.

  Moreover, in the radish drawing machine 1 of the said embodiment, it is good also as a structure which provides the grounding ring (illustration omitted) in the raising mechanism 100, and makes it float. Further, in this case, the grounding wheel may be arranged behind the pair of left and right lateral pulling devices 130L and 130R and below the front end portion of the pulling and conveying device 200. In this case, the grounding wheel may be configured such that its mounting height can be adjusted.

  The diameter of the grounding ring provided in the raising mechanism 100 is at least smaller than the diameter of the gauge ring 2 (see FIG. 1). Specifically, it is desirable that the diameter is substantially the same as the front-rear distance immediately below the lower end rear portion of the pulling mechanism 100 and the conveyance start end portion of the pulling conveyance device 200. Further, the lateral width of the grounding wheel is the same as that of the gauge wheel 2 or is made wider than that of the gauge wheel 2.

  Thereby, even if a grounding wheel is provided, the front-rear width of the raising mechanism 100 is prevented from being significantly widened, and the raising mechanism 100 can be made compact. In addition, by making the right and left width of the grounding wheel the same as or wider than the gauge wheel 2, the grounding pressure of the grounding wheel is reduced and it is possible to prevent the traveling performance from being hindered.

  Further, in the above embodiment, a pair of left and right substantially inverted U-shaped pipe members with respect to the back side of the rear covers 133b and 133b that cover the pair of left and right lateral pulling devices 130L and 130R from the rear side. A case has been described in which the front end portions of a pair of left and right parallel link arms 160L and 160R whose rear end portions are rotatably connected to the side surfaces of the front end portions of 203L and 203R are connected and fixed by fastening members ( (See FIGS. 1 and 3).

  However, the present invention is not limited to this, for example, an actuator that adjusts the vertical position of the pulling mechanism 100 by connecting the rear end portions of the parallel link arms 160L and 160R to the rotating shaft and raising and lowering the pulling mechanism 100. (Not shown) may be disposed at the upper end of the substantially inverted U-shaped pipe member 203L or 203R on the left or right side.

  In this case, the front end portion of the substantially cylindrical actuator configured to be movable in the front-rear direction by the rotation of the rotation handle is the rotation arm erected on the upper surface of the left or right parallel link arm 160L or 160R. It is connected to the upper end by a pin member. When the operator turns the rotary handle to one side and the front end of the actuator moves backward, the left parallel link arm 160L rotates clockwise through the pin member and the rotary arm in the left side view. The raising mechanism 100 moves up. Conversely, when the front end of the actuator is moved forward by rotating the rotation handle to the other side, the left parallel link arm 160L is rotated counterclockwise in the left side view via the pin member and the rotation arm. It rotates and the raising mechanism 100 descends.

  Furthermore, when the above-mentioned grounding ring (not shown) is provided in the pulling mechanism 100 to float, the shape of the connecting hole for inserting the pin member provided at the front end portion of the actuator described above is formed. It may be a long hole. Thereby, the play which releases the load at the time of raising mechanism 100 moving up and down by the unevenness | corrugation etc. of a field can be provided, and the improvement of durability can be aimed at.

  Moreover, in the radish drawing machine 1 of the said embodiment, the bumper 14 (refer FIG. 1, FIG. 2) provided below the engine 4 is good also as a structure which served as the maintenance stand. According to this configuration, the operator pushes down the operation handle 5 downward until the lower surface of the bumper 14 comes in contact with the ground, so that the front side of the aircraft, that is, the raising mechanism 100 side is lifted from the ground. Therefore, maintenance of the raising mechanism 100, the shoulder aligning device 300, the pair of left and right body cutting rotary blades 510L and 510R, and the like can be performed. Further, in the case of this configuration, the bumper 14 may be configured such that an operator can step on and lift the raising mechanism 100 side when turning the aircraft. Further, the bumper 14 may also serve as a rope hook, and if the bumper 14 is further divided at the center, the rope can be easily passed therethrough. The bumper 14 may also function as a weight stay, or may have a configuration in which an oil pan can be set in order to improve maintainability.

  In the above-described embodiment, a case has been described in which the conveyance speed in the horizontal direction of the drawing conveyance apparatus 200 and the shoulder alignment apparatus 300 is set to be approximately the same as the traveling speed of the airframe, for example, 0.18 m / sec. However, the present invention is not limited to this, and for example, it may be set slightly faster than the traveling speed of the aircraft. By setting it slightly faster, the radish W can be prevented from being pushed down or broken.

  Moreover, although the said embodiment demonstrated the case where the raising mechanism 100 was equipped with a pair of left and right vertical raising devices 110L and 110R and a pair of left and right horizontal raising devices 130L and 130R, For example, a configuration in which one vertical pulling device is arranged on the left side and one horizontal pulling device is arranged on the right side of the back surface may be adopted.

  In the above-described embodiment, in the pulling and conveying apparatus 200, the left pulling driven pulley 230L and the left pinching roller group 240L are rotatably attached to the left pinching force adjustment frame 280L and the right pulling follower. The pulley 230R and the right clamping roller group 240R are provided with a right clamping force adjustment frame 280R that is rotatably attached. Both of the pair of left and right clamping force adjustment frames 280L and 280R are provided in the horizontal direction (FIG. (See arrow H in FIG. 5), the position adjustment is described. However, the present invention is not limited to this. For example, one of the pair of left and right clamping force adjustment frames 280L and 280R is adjusted in the horizontal direction. The other frame may be configured such that the position of the other frame cannot be adjusted.

  Even in this case, the width on the entrance side of the conveyance path of the pulling and conveying apparatus 200 (see symbol G in FIG. 5) can be easily adjusted, so that the same effect as in the case of the above configuration is exhibited.

  In the above embodiment, the pair of left and right shoulder driven pulleys 330L and 330R, the pair of left and right shoulder aligned first rollers 340L and 340R, the pair of left and right shoulder aligned second rollers 350L and 350R, and the pair of left and right shoulder aligned thirds. The case where the rollers 380L and 380R and the pair of left and right shoulder aligned fourth rollers 390L and 390R are configured to be independently adjustable in the left and right direction (see arrow H in FIG. 7) has been described. For example, the left shoulder alignment driven pulley 330L, the shoulder alignment first roller 340L, the shoulder alignment second roller 350L, the shoulder alignment third roller 380L, and the shoulder alignment fourth roller 390L are integrally positioned in the left-right direction. It is configured to be adjustable, and the right shoulder alignment driven pulley 330R, the shoulder alignment first roller 340R, the shoulder alignment second roller 350R, the shoulder alignment 3 rollers 380R, and Katasoroe fourth roller 390R is, as an integral, may be adjustable in position configured in the lateral direction.

  In the above embodiment, the pair of left and right shoulder driven pulleys 330L and 330R, the pair of left and right shoulder aligned first rollers 340L and 340R, the pair of left and right shoulder aligned second rollers 350L and 350R, and the pair of left and right shoulder aligned thirds. The case where the rollers 380L and 380R and the pair of left and right shoulder-aligned fourth rollers 390L and 390R are configured to be position-adjustable in the left-right direction (see the arrow H in FIG. 7) has been described. For example, only the left or right shoulder-driven pulley, the first shoulder-aligned roller, the second shoulder-aligned roller, the third shoulder-aligned roller, and the fourth shoulder-aligned roller can be adjusted in the left-right direction. Also good. Even in this case, the width on the entrance side of the conveyance path of the shoulder aligner 300 (see reference numeral J1 in FIG. 7) can be easily adjusted, so that the same effect as in the case of the above configuration is exhibited.

  Moreover, in the said embodiment, although the foliage part cutting device 400 demonstrated the structure provided with the single foliage rotary blade 410, even if it is a structure provided with not only this but a pair of left and right rotary blades, for example. good.

  Further, in the above embodiment, the configuration in which the foliage cutting device 400 includes the single foliage rotary blade 410 is described. However, the configuration is not limited thereto, and for example, a configuration including a fixed blade may be used. In this case, the fixed blade is arranged such that the blade portion inclines and crosses the conveying path of the shoulder aligning device 300 in plan view, and the conveying path of the shoulder aligning device 300 among the fixed blades. The portion of the blade that crosses is downstream of the portion of the blade tip upstream of the portion of the pair of left and right barrel cutting blades 510L and 510R (see FIG. 7) on the conveying path of the shoulder aligning device 300 in plan view. Is located. With this configuration, the structure can be simplified.

  Further, in the case of a configuration using a fixed blade instead of the foliage rotary blade 410, a larger number of holes than the number used when actually fixing are provided at equal intervals as the fixing holes provided in the fixed blade. It may be a configuration. With this configuration, the fixing position of the fixed blade can be changed by appropriately shifting the hole actually used among the plurality of fixed holes, and the sharpness of the fixed blade can be maintained for a long time.

  In the above embodiment, the radish W has been described as an example of the crop of the present invention. However, the present invention is not limited thereto. For example, even if the crop to be extracted is a root vegetable such as carrot, The same effect is demonstrated.

  Further, the height of the transmission shaft 6b protruding forward from the transmission case 6 (see FIG. 1) described in the above embodiment is lowered, so that the pulling / conveying device is inclined. Compared to the case of the above embodiment, it can be made milder. With this configuration, the leaf removal position at the rear end of the pulling and conveying device from which the cut foliage is discharged can be made lower than in the case of the above embodiment, so that the foliage is not easily blown away by wind or the like. I can do it.

  In the above-described embodiment, the pair of left and right shoulder alignment driving pulleys 320L and 320R, the pair of left and right shoulder alignment first rollers 340L and 340R, the pair of left and right shoulder alignment second rollers 350L and 350R, The shoulder-aligned third rollers 380L and 380R and the pair of left and right shoulder-aligned fourth rollers 390L and 390R are substantially V-shaped corresponding to rib-shaped protrusions protruding from the inner peripheral surface of the shoulder-alignment belt at the outer peripheral ends. However, the present invention is not limited to this. For example, the outer diameter of each upper surface is made larger than the outer diameter of the lower surface. In order to make the diameter slightly larger, a configuration in which a collar portion is provided on the outer peripheral portion of the upper surface may be employed. This collar can prevent the shoulder alignment belts 310L and 310R from derailing upward. Moreover, it is good also as a structure which provided the convex part over the perimeter of the outer periphery edge part of the said collar part provided in the outer peripheral part of the upper surface of a pair of left-right shoulder drive pulley 320L, 320R. With this configuration, in the shoulder aligning belts 310L and 310R of the shoulder aligning device 300, even if the belt interval is widened, the decrease in frictional force can be compensated for and the conveying force can be maintained. .

  In addition to the above-described buttocks, a pair of left and right shoulder alignment drive pulleys 320L and 320R of the shoulder alignment device 300, a pair of left and right shoulder alignment first rollers 340L and 340R, a pair of left and right shoulder alignment second rollers 350L and 350R, A plate-like belt detachment preventing member having a diameter larger than the diameter of the flange portion in the vicinity of the upper surface of each of the pair of left and right shoulder aligned third rollers 380L and 380R and the pair of left and right shoulder aligned fourth rollers 390L and 390R A configuration provided with With this configuration, the belt detachment preventing member projects outward from the collar portion in a plan view, so that it can be easily returned even if the belt is about to come off.

  In the configuration example shown in FIG. 8, the outer peripheral surface of the pair of left and right second shoulder alignment belts 1310L and 1310R that surrounds the outer periphery of the pair of left and right second shoulder alignment drive pulleys 1320L and 1320R, and the lower surface of the outer peripheral surface. A scraper may be disposed in the vicinity of the pair of left and right body cutting rotary blades 510L and 510R. With this configuration, it is possible to prevent the cut ends of the foliage and the radish W from being left on the upper surfaces of the trunk cutting blades 510L and 510R, and to prevent the second shoulder alignment belts 1310L and 1310R from turning up. I can do it.

2 Gauge wheel 3L, 3R Rear wheel 3Ra Rear wheel drive shaft 4 Engine 6a Output shaft 9L, 9R Main frame 15 Temporary support member (support rod)
15a Grounding part 15b Rod upper end 16 Driving cover 18 Stem and leaf part cutting cover 100 Pulling mechanism 200 Pulling and conveying device 290 Stem and leaf discharge member 400 Stem and leaf part cutting device 410 Stem and leaf rotating blade

Claims (6)

A main frame (9L, 9R) having left and right traveling wheels (3L, 3R) is provided with a raising mechanism (100) and a pulling and conveying device (200), and the pulling and conveying device (200) is provided with a foliage cutting device (400). In the vegetable harvesting machine provided with the foliage discharging member (290) for discharging the foliage cut by the foliage cutting device (400) to the side of the machine body,
The tread width of the left and right traveling wheels (3L, 3R) can be changed by expanding and contracting the output shaft (6a) to the traveling wheel (3L) on the opposite side to the stem and leaf portion discharging direction of the foliage discharging member (290). In addition, a temporary support member (15) is provided for supporting the traveling wheel (3L) that moves laterally in a floating state, and the temporary support member (15) has the grounding portion (15a) as the left and right traveling wheels (3L). , 3R) is raised from the output shaft (6a) to be in a storage state. The engine (4) is mounted behind the main frame (9L, 9R), and a driving cover (16) covering the engine (4) is provided.
A support rod (15) that slides the temporary support member (15) up and down is provided, and when the support rod (15) is raised and stored, the upper end of the rod (15b) is the rear end or the driving force of the pulling and conveying device (200). The vegetable harvesting machine according to claim 1, wherein the vegetable harvesting machine does not protrude above the cover (16).   The vegetable harvesting machine according to claim 1, wherein the temporary support member (15) is provided near the center of the left and right in a state where the tread width of the left and right traveling wheels (3L, 3R) is minimized.   The lower end of the support rod (15) is bent horizontally to form the grounding portion (15a), and the bending direction of the grounding portion (15a) is directed to the traveling wheel (3L) side opposite to the foliage discharging direction. The vegetable harvester according to claim 2 characterized by things.   The foliage cutting device (400) provided at the lower part of the pulling and conveying device (200) is provided with a foliage cutting cover (18) that allows vertical adjustment and covers the outside of the vertical range. Vegetable harvesting machine as described in.   6. The vegetable harvesting according to claim 5, wherein a fall space of the foliage part with the foliage rotary blade (410) is provided before and after the foliage part cut cover (18) covering the foliage part cutting device (400). Machine.