JP2017074012A - Bulb vegetable harvester - Google Patents

Abstract

An object of the present invention is to provide a bulb vegetable harvester capable of reliably causing the foliage of a bulb vegetable. A crawler-type traveling device (2) is provided with a drawing / conveying device (15) for drawing garlic (10, 10 ...) serving as a plurality of bulb vegetables and then conveying the garlic upward. In the bulb vegetable harvesting machine 1 provided with a raising device 6 for raising the foliage portions 10b, the raising device 6 has a belt 66L with a projection between the driving pulleys 64L and 64R and the driven pulleys 65L and 65R arranged vertically. A pair of left and right transport bodies 63L and 63R formed by winding the 66R are provided for each strip, and the left and right lift transport bodies 63L and 63R are arranged in parallel at predetermined intervals in front and rear. [Selection diagram] FIG.

Description

  The present invention relates to a multi-row self-propelled bulb vegetable harvester that harvests bulb vegetables such as garlic and onion, and more particularly, to a trigger device that can reliably cause a foliage portion on a straw.

  Conventionally, a garlic harvesting machine provided with a raising device and a dug-up portion at the front part of the traveling machine body, a drawing conveying device at the rear part thereof, and a root cutting blade and a stem cutting blade provided in the middle of the drawing conveying device In the raising device, a pulley having a substantially longitudinal axis is arranged vertically, and a protrusion is formed on the pulley, and the belt is wound to form a conveying body. Such a trigger device that causes the onions and stems of the onion to be out of every four of the four on the cocoon is known (see, for example, Patent Document 1).

JP 2002-238373 A

  However, in the harvesting machine described in the above-mentioned Patent Document 1, the protrusions on the right and left central sides hit the protrusions of the conveying body, and wear, generate noise, or distort the protrusions. Also, because the two onions were caused together, the protrusions could not reach the foliage between the two, so it could not be pulled up, and the foliage could be broken up or pulled out sufficiently. Something that couldn't be done happened.

  This invention is made | formed in view of the above situations, It aims at providing the bulb vegetable harvester which can pull up the stem and leaf part of the bulb vegetable of each stripe | line | column reliably in a multi-row type bulb vegetable harvester.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

  That is, according to claim 1, a pulling and conveying device for pulling out a plurality of bulbous vegetables on the traveling device and conveying them upward is arranged, and a bulbous vegetable provided with a trigger device for pulling up the foliage at the front of the pulling and conveying device. In the harvesting machine, the trigger device is provided with a pair of left and right trigger carriers formed by winding a belt between the upper and lower pulleys and a belt is wound around, and the left and right trigger carriers are front and rear. They are arranged in parallel at a predetermined interval.

According to a second aspect of the present invention, the drive shaft that supports the drive pulley that rolls the upper part of the belt that causes the protrusions of the left and right trigger members to move up and down has a vertical height so that the tip of the protrusion of the other trigger belt does not come into contact. They are arranged differently.
According to a third aspect of the present invention, there is arranged a vertical rotation raising device that is driven to rotate with a right and left axial center on the front surface of the raising conveyance body on both sides of each planting strip.
According to a fourth aspect of the present invention, the vertical turning device located at the outermost side in the left-right direction is configured to be longer than the other vertical turning devices.

As effects of the present invention, the following effects can be obtained.
That is, the stems and leaves of the bulbous vegetables of each strip can be surely caused, and the harvesting efficiency can be improved.

The whole side view of the bulb vegetable harvesting machine of the present invention. FIG. The front view of a raising apparatus. The front view of a horizontal turning apparatus. FIG. The whole side view of the bulb vegetable harvester of the Example which has arranged the control part in the front side part. FIG. 3 is a front view of a trigger device according to an embodiment in which the left and right outermost trigger devices are configured to be long.

  The overall configuration of the garlic harvester 1 using garlic as a bulb vegetable will be described with reference to FIGS. The garlic harvesting machine 1 harvests a plurality of garlics 10 planted on the ridge D. Although this embodiment demonstrates the garlic harvesting machine 1 which harvests the garlic 10 planted by 4 articles | rows, it is applicable if it is 2 or more articles | rows. In the following description, the F direction is defined as the front.

  The garlic harvesting machine 1 is provided with a body frame 3 on a crawler type traveling device 2 having left and right crawlers as a chassis, and the left and right crawlers run across the ridge D, and the left and right crawlers are between the ridges on both sides of the planting strip. Harvest while traveling so that is located.

  A carrier frame 8 is supported on the body frame 3 so as to be rotatable up and down. Posts 3a and 3a are erected on both the left and right sides of the front and rear midway part of the body frame 3, and an elevating central shaft 80 is horizontally mounted on the upper portions of the props 3a and 3a. It is supported so that it can rotate up and down. The carrier frame 8 is attached with a divider 11, a raising device 6, a digging device 13, a pulling and conveying device 15, a pressing roller 14, a soil removing device 16, a shoulder aligning device 17, a root cutting device and the like.

  An electro-hydraulic cylinder (not shown) is interposed between the lower portion of the transport frame 8 and the machine body frame 3, and the transport frame 8 can be moved up and down around a lift shaft 80. The height of the device 6, the digging device 13, and the drawing / conveying device 15 can be changed by extending and contracting the electric hydraulic cylinder. Further, by using an electric hydraulic cylinder as the elevating drive device, the extension / contraction length can be easily controlled electrically.

  The engine 4 is mounted on the left side of the body frame 3, the steering support frame 3b is erected on the left rear portion of the body frame 3, and the control unit includes a main clutch lever, a steering lever, and the like on the steering support frame 3b. 5 is arranged. That is, the engine 4 is disposed in front of the control unit 5. The power from the engine 4 can be driven by transmitting the power to the mission case disposed between the left and right crawlers 2 and 2, the trigger device 6, the pulling and conveying device 15, the shoulder aligning device 17, the foliage cutting device, and the like. . However, the control unit 5 can also be arranged on the front side of the aircraft as shown in FIG. That is, the seat 20 is disposed above the engine 4 and the control unit 5 including a step, a main clutch lever, a steering lever, and the like is disposed in front of the seat. By arranging in this way, the operator can easily visually recognize the divider 11 and the trigger device 6 from the control unit 5, and the height adjustment and work state of the alignment and digging device 13 and the trigger device 6 can be adjusted. It becomes easy to see visually.

  The pulling / conveying device 15 includes a driving pulley 24, a driven pulley 25, and guide pulleys 26, 26,... Prepare. The front end of the drawing / conveying device 15 is raised and faces the lower rear portion of the device 6, and the rear end is extended to the upper rear portion of the shoulder aligning device 17 at the rear of the machine body.

Dividers 11, 11... Project forward from the front lower part of the raising device 6. The divider 11 weeds the foliage portion 10b of the garlic 10 that has been entangled or slept by passing between the planting strips. Then, the left and right dividers 11 project from the outside of the left and right vertical drive devices 61 and 61, which will be described later, to protrude forward and downward, and can raise the foliage portion 10b hanging from the slope Da (FIG. 3) of the heel D. So that it extends downward.
The raising device 6 raises the foliage portion 10b after weeding, and includes a longitudinal raising device 61 and a transverse raising device 62, the configuration of which will be described later.

  A digging and raising device 13 is arranged below the raising device 6. The digging device 13 includes a digging and raising blade 13a having a substantially U shape when viewed from the front, a support 13b that swingably supports the digging and raising blade 13a, a drive unit 13c, and the like. The support bodies 13b are disposed on the left and right sides of the front portion of the transport frame 8, and support the upper portions of the left and right sides of the digging blade 13a so as to be swingable back and forth. The upper part of the digging blade 13a is supported by a pin so as to be swingable back and forth, and a plurality of support holes are provided on the side surface of the digging blade 13a at predetermined intervals in the vertical direction to change the mounting position of the pin. By doing so, the depth of digging can be adjusted. In this embodiment, the digging and raising blade 13a has a width capable of digging up four lines. A driving portion 13c is connected to the upper portion of the digging blade 13a so that it can be driven back and forth. Then, the digging blade 13a is inserted into the soil of the paddle D, positioned below the ball portion 10a of the garlic 10, and moved forward while the digging blade 13a is rocked back and forth, so that the soil of the paddle D is It is made soft so that the garlic 10 can be pulled out easily.

  A height adjusting gauge ring 7 is arranged on the outer side of the digging device 13. The gauge wheel 7 is rotatably supported at the front end of an electrohydraulic cylinder arranged in the vertical direction, and the height of the device 6 and the pulling / conveying device 15 can be adjusted by driving the telescopic drive of the electrohydraulic cylinder. Although the gauge wheel 7 is arranged on the right side in the traveling direction in this embodiment, it may be arranged on the left side or on both the left and right sides, and is not limited.

  A presser roller 14 is disposed in the upper rear portion of the digging and raising device 13 and in front of the pulling and conveying device 15. The presser rollers 14 are arranged on both sides of the garlic 10 planting strip. The presser roller 14 is rotatably supported at one end (lower end) of the arm, the other end (upper end) of the arm is rotatably supported at the front lower portion of the transport frame 8, and the arm is rotated downward. It is biased by a spring or the like. Thus, when the garlic 10 is pulled up by the pulling and conveying device 15, the multi-film covering the ridge D is pressed downward by the press roller 14 so that the multi-film cannot be lifted together. By adopting such a configuration, the multi-film is dug up from both sides, the blade 13a is inserted into the ridge D, the multi-film is pressed without tearing, and only the garlic 10 is lifted and pulled out, and conveyed rearward and upward. It is done.

  The drawing / conveying device 15 is provided so as to be inclined at the front, lower, and rear heights. The garlic 10 is picked up and conveyed backward while nipping the foliage portion 10b of the garlic 10 and conveying it upward and backward. The pulling and conveying device 15 is attached on the conveying frame 8. The drive pulleys 24, 24..., The driven pulleys 25. 25... And the guide pulleys 26. 26.

  As shown in FIG. 1, a soil dropping device 16 is disposed behind the presser roller 14 and in front of and below the pulling and conveying device 15. The earth removing device 16 rotatably supports an elastic body having a rod-like body projecting radially on the conveyance frame 8 so that the belt can be driven. In the present embodiment, two sets of front and rear soil removal devices 16 are arranged and are driven to rotate in opposite directions. Thus, by rotating the soil dropping device 16, the elastic body is brought into contact with the root of the garlic 10 being transported from below, and the soil adhering to the root can be dropped during transportation without damaging the garlic 10. is there.

  Four sets of shoulder aligning devices 17 are arranged in a substantially horizontal direction in the front and rear direction below the rear portion of the drawing and conveying device 15 and supported by the conveying frame 8. Each pair of shoulder aligning devices 17 has a pair of left and right belts wound around a shoulder aligning driving pulley and a driven pulley, and is driven in synchronism with the pulling and conveying device 15 between the pair of left and right belts. The leaf and leaf portion 10b of the garlic 10 is pulled up by the pulling and conveying device 15, and the shoulder portion is stopped by the belt of the shoulder aligning device 17 with the boundary portion between the ball portion 10a and the leaf and leaf portion 10b of the garlic 10 being aligned. It is.

  A root cutting device is disposed below the middle part of the shoulder alignment device 17 in the front and rear direction. The root cutting device has a clipper reciprocating blade arranged in the left-right direction. In the root cutting device, the length in the left-right direction is adjusted to the width in the left-right direction of the pulling and conveying device 15 so that the roots of the garlic 10 for four strips can be cut at a time.

  A foliage cutting device is disposed on the rear portion of the shoulder aligning device 17, and the garlic 10 that has passed through the shoulder aligning device 17 is moved backward while being held so that the upper foliage portion 10b is directed substantially upward and downward from the ball portion 10a. It is conveyed and cut by the foliage cutting device so that the foliage portion 10b remains with substantially the same length.

A catch is disposed below the rear end of the shoulder aligning device 17 so as to be receivable and releasable, and a container base 22 is disposed below the catch. Containers are placed side by side on the container base 22 so that the garlic 10 falling from the rear end of the shoulder aligner 17 can be stored.
Further, a leaf discharge conveyor 23 for discharging the cut leaves to the side is disposed above and behind the shoulder aligning device 17 and below the rear end of the pulling and conveying device 15. The leaf conveyor 23 comprises a belt conveyor, and is configured to discharge to the right side opposite to the control unit 5 in the left-right direction.
A spare container base 30 on which an empty container is placed on the right side of the drawing / conveying device 15 is disposed so as to be folded upward and stored.

Next, the triggering device 6 of the present invention will be described with reference to FIGS.
The raising device 6 includes a vertical raising device 61 and a horizontal raising device 62, and the projections are rotated vertically and the stalks that have been weeded are lifted upward. Five vertical trigger devices 61 are arranged in parallel, and four horizontal trigger devices 62 are arranged in parallel so that the trigger devices 6 are arranged on the left and right sides of the planting strip. Since the raising device 6 is disposed as the same configuration for each of the strips (four strips), only one strip will be described.

  The lateral rotation raising device 62 includes a pair of right and left raising conveyance bodies 63L and 63R. Drive pulleys 64L and 64R are respectively arranged at the upper parts of the raising conveying bodies 63L and 63R, and driven pulleys 65L and 65R are arranged at the lower parts, and the belts 66L and 66R are caused between the drive pulleys 64L and 64R and the driven pulleys 65L and 65R. Is wound. The driven pulleys 65L and 65R are configured as tension pulleys so that their positions can be adjusted in the vertical direction.

  Projections 66a, 66a,... Protrude from the outer circumferences of the raising belts 66L and 66R at a predetermined interval. The raising belts 66L, 66R and the protrusions 66a, 66a,... Are made of an elastic body such as rubber, and the protrusions 66a, 66a,... Are deformed and are not easily damaged, so that the garlic 10 is not damaged. I have to. As shown in FIG. 4, the rotation trajectories of the tips 66a and 66a facing the raising belts 66L and 66R arranged on the left and right are arranged so as to overlap each other by a predetermined length L1 when viewed from the front, and circulate around the driven pulleys 65L and 65R. The lower ends of the projections 66a and 66a are arranged so as to be in contact with the upper surface of the flange D. The predetermined length L1 is an overlap that allows the foliage portion 10b to be conveyed upward. However, if the overlap is too large, the gap where the foliage portion 10b of the garlic 10 enters becomes small and becomes entangled, so the gap between the protrusions 66a and 66a. A sufficient space is formed and lifted.

  As shown in FIG. 5, the left and right raising conveyance bodies 63 </ b> L and the raising conveyance body 63 </ b> R are arranged in parallel in the front-rear direction, specifically, at a predetermined interval L <b> 2 in the direction perpendicular to the conveyance surface. In other words, the four-row raising transport bodies 63L, 63R,... Are arranged in a staggered manner so as not to overlap in plan view (plan view on the transport surface).

  In this way, on the crawler type traveling device 2, the pulling / conveying device 15 for pulling out the garlics 10, 10. In the bulb vegetable harvesting machine 1 provided with the trigger device 6 for pulling up 10b, 10b,..., The trigger device 6 is caused by a protrusion between the driving pulleys 64L and 64R and the driven pulleys 65L and 65R arranged above and below the belts 66L and 66R. A pair of right and left cause transport bodies 63L and 63R are provided for each strip, and the right and left cause transport bodies 63L and 63R are arranged in parallel at a predetermined interval in the front and rear. The protrusion 66a of the 66L and the protrusion 66a of the belt 66R are not in contact with each other, and the adjacent belt 6 Both L · 66R so that do not interfere with each other. In other words, the adjacent stripe-causing transport body 63L and the trigger transport body 63R are arranged in parallel so as to be displaced forward and backward, and the left and right intervals of the trigger transport bodies 63L and 63R so that the foliage portion 10b can be pulled up one by one. Even if the width of the belt is reduced (or the overlap in the front view is increased), the belts 66L and 66R caused by the respective strips do not interfere with each other and do not come into contact with each other or generate noise. .

  Further, as shown in FIG. 4, the drive shaft 64La that supports the drive pulley 64L of the raising transport body 63L and the drive shaft 64Ra that supports the drive pulley 64R of the cause transporting body 63R are different from each other by a predetermined height in the vertical direction. Be placed. This predetermined height is the height when the leading edge of the protrusion 66a of the adjacent belt 66R is not brought into contact with the drive shaft 64La of the drive pulley 64L. However, when the raising conveyance body 63R is disposed on the front side, the leading edge of the protrusion 66a of the raising belt 66L is caused to be a height that does not contact the drive shaft 64Ra of the conveyance body 63R.

  As described above, the driving shafts 64La and 64Ra supporting the driving pulleys 64L and 64R wound around the upper portions of the raising belts 66L and 66R of the right and left raising conveyance bodies 63L and 63R are caused to contact the tips of the protrusions 66a of the raising belt 66R. Since the upper and lower heights of the adjacent strips are arranged so as not to contact each other, the right and left one of the adjacent strips causes the leading conveyance body 63R located behind the leading conveyance body 63R and the tip of the protrusion 66a of the belt 66R. Does not come into contact with the drive shaft 64La of the left and right drive pulleys 64L, the projections 66a are not damaged, and noise can be prevented.

  Further, as shown in FIG. 7, the protrusions 66La, 66Ra,... Of the trigger belts 66L, 66R of the trigger conveying bodies 63LL, 63RR on the left and right outermost sides of the trigger device 6 are replaced with the protrusions 66a, 66R of the other trigger belts 66L, 66R. It can also be comprised longer than 66a ..., and it can also comprise so that the foliage part 10b which hangs down to the slope Da of the both sides of the ridge D can be caused. Moreover, the raising conveyance bodies 63LL and 63RR can be configured to be long downward.

  In this manner, the protrusions 66La and 66Ra of the trigger belts 66L and 66R that are located at the outermost position in the left-right direction are configured to be longer than the protrusions 66a of the other trigger transport bodies 63L and 63R. The foliage portion 10b that hangs on both outer slopes Da of the pod D can be easily caused, and the garlic 10 on both the left and right sides can be reliably harvested.

  Further, as shown in FIG. 3, there is a vertical rotation device on the front surface of the raising conveyance body on both sides of each planting line, that is, on the front surface of the four raising conveyance bodies 63L, 63L. 61, 61... Are provided so that the foliage 10b can be caused on both sides of each strip. As shown in FIG. 1, the vertical turning device 61 has a driving pulley 67 disposed at the upper portion, a driven pulley 68 disposed at the lower portion, and a raising belt 69 with a protrusion between the driving pulley 67 and the driven pulley 68. The rotational axes of the drive pulley 67 and the driven pulley 68 are arranged in the left-right direction, and the drive pulleys 67, 67... Of each strip are raised on a single drive shaft 70 that is horizontally mounted on the upper front portion of the device 6. Fixed.

  As described above, the longitudinal triggering devices 61, 61,... That are rotationally driven with the left and right axial centers are arranged on the front surfaces of the planting conveyance bodies 63L, 63L,. Therefore, the foliage portion 10b that hangs between the streaks can be surely caused and can be pulled out.

  Further, as shown in FIG. 7, the left and right outermost longitudinal triggering devices 61 and 61 are configured to be longer than the other vertical triggering devices 61 and 61 (on the center side of the fuselage), and the trigger belts 69 and 69 are formed. The tip of the protrusion 69a that is further protruded can reach the inclined surfaces Da on both sides of the flange D. In this case, the driven pulleys 68 and 68 of the left and right outermost vertical drive devices 61 and 61 are positioned below the driven pulleys 68 and 68 of the other vertical drive devices 61 and 61, and the drive belts 69L and 69R are the other Will be configured longer. By comprising in this way, the foliage part 10b drooping on the slope Da of the heel D can be caused, and it becomes possible to pull out reliably. Also, instead of lengthening the right and left outermost trigger belts 69L and 69R, the length of the protrusion 69a protruding from the trigger belts 69 and 69 of the left and right outermost vertical trigger devices 61 and 61 is changed to the other (inner). It can be configured to be longer than the protrusions 69a of the vertical raising device 61 so as to reach the slope Da on both sides of the heel D, so that the foliage portion 10b hanging on the slope Da of the heel D can be caused.

DESCRIPTION OF SYMBOLS 1 Garlic harvesting machine 6 Pulling device 15 Pulling and conveying device 61 Longitudinal triggering device 63L / 63R Pulling conveyance body 64L / 64R Driving pulley 65L / 65R Driven pulley 66L / 66R Raising belt 66a / 66a Protrusion

Claims (4)

  In the bulb vegetable harvesting machine comprising a pulling and conveying device that pulls out a plurality of bulbous vegetables on the traveling device and then conveying them upward, and having a triggering device that pulls up the foliage at the front of the pulling and conveying device, the triggering device is A pair of left and right cause transport bodies are provided for each strip, and the left and right cause transport bodies are arranged in parallel at a predetermined interval in the front and rear. A bulb vegetable harvesting machine.   The drive shaft that supports the drive pulley that rolls up the upper part of the belt that causes the left and right raising carrier to have a protrusion is arranged so that the vertical height is different so that the tip of the protrusion of the other raising belt does not come into contact. The bulb vegetable harvester according to claim 1 characterized by things.   The longitudinal rotation raising device which has a right-and-left axial center and is rotationally driven is arranged in the front of the raising conveyance body on both sides of each planting strip, according to claim 1 or 2. Bulb vegetable harvester.   4. The bulb vegetable harvesting machine according to claim 3, wherein the vertical turning device located at the outermost side in the left-right direction is configured to be longer downward than other vertical turning devices.

Images