JP2017153391A - Corn harvester - Google Patents

Abstract

[PROBLEMS] To reduce the possibility that crops stored in a storage tank of a corn harvester will spill from a recessed opening as the storage tank is tilted.
A storage tank 60 includes a harvest input 6A and a discharge port 6C. The storage port 6A opposes the transfer end of the transfer device so that the harvest can be stored, and from the discharge port 6C side. Also, it is configured such that the posture can be changed to a discharge posture capable of discharging the harvested product from the discharge port 6C by tilting so that the input port 6A side becomes higher, and the input port 6A is formed on the upper edge of the peripheral wall of the storage tank 60. The upper edge of the peripheral wall other than the place where it is formed is formed higher than the lower edge of the inlet 6A, and the entire inlet 6A or the portion of the inlet 6A closer to the outlet 6C can be closed. A member 67 is provided.
[Selection] Figure 4

Description

  In the present invention, at the time of harvesting corn, a crop portion that is wrapped in a foliage portion with a large number of seeds existing around the cob is used as a harvest target crop, and the harvested crop is stored and recovered. It is related with the corn harvester comprised as follows.

  In corn, tufts containing seeds (fruits) are cultivated in the ears of stems to be planted. In the tufted portion, a large number of seeds are formed around the rod-shaped cob existing inside the foliage in a state of being aligned with the outer surface. In the present invention, this tuft is referred to as a corn crop to be harvested, and the corn harvester according to the present invention harvests, stores and collects the corn crop as a harvest.

  The conventional corn harvester includes a transport device that transports the harvested product harvested in the harvesting section backward, and is configured to drop into a storage tank as a storage section from the end of the transport device. When the amount of harvested material that has been put into the storage tank reaches a predetermined amount, the storage tank is tilted toward one lateral side of the traveling aircraft so that the harvested product can be discharged from the upper opening of the storage tank (patent) Reference 1).

JP 2014-188010 A (refer to paragraph numbers “0062” and “0069”, FIG. 4, FIG. 6, and FIG. 8)

In the corn harvester configured as described above, the harvested product can be dropped directly into the loading platform of the transport truck from the upper opening of the storage tank tilted toward the lateral side of the traveling machine. Therefore, it is useful in that it is easy to easily transfer the harvest.
However, in this structure, a recessed opening is formed on the front wall side of the storage tank to accept the harvested product that is carried from the transport device side, and when the storage tank is tilted to discharge the harvested product. The crops in the storage tank could spill frequently from the recessed opening. In other words, in the storage tank, the upper edge of the other peripheral wall of the storage tank is formed higher than the lower edge of the recessed opening formed in the front wall so that a large amount of harvest can be stored stably inside. Has been. For this reason, when the storage tank is tilted in a state where a large amount of crops are stored in the interior, the crops being discharged overflow from the recessed opening.

  The present invention relates to a corn harvester equipped with a tiltable storage tank that facilitates the transfer of harvest, and the crop stored in the storage tank spills from the recessed opening as the storage tank tilts. To reduce the possibility of

  As means for solving the above-described problems, in the corn harvester according to the present invention, a harvesting unit that is located in the front part of the traveling machine body and harvests the harvested product, and the harvested product harvested in the harvesting unit is rearward. And a rectangular box-shaped storage tank capable of storing the harvested product discharged from the transport terminal of the transporting device, and the storage tank includes an input port and a discharge port for the harvested product. And a storage posture in which the input port can store the harvested product facing the transfer end of the transfer device, and the crop is tilted so that the input port side is higher than the discharge port side. The discharge posture can be changed to a discharge posture that can be discharged from the discharge port, and the upper edge of the peripheral wall other than the portion where the input port is formed among the upper edges of the peripheral wall of the storage tank is the input port Higher than the lower edge of Made is, all of the inlet, or is characterized in that the can shield member closing the side portion close to the outlet of the inlet is provided.

According to the present invention, the storage position is such that the input port faces the conveyance end of the transfer device and the harvested product can be stored, and the harvested product is discharged from the discharge port by tilting so that the input port side is higher than the discharge port side. The storage tank can be quickly stored and discharged by using a storage tank that can be changed to a different discharge posture.
Then, when a storage tank that can change its posture is used in this way, a shielding member that can block the portion of the input port that is close to the discharge port from spilling the harvest from the input port that has been lifted. There is an advantage that can be suppressed by providing.

  In this invention, it is suitable when the said shielding member is supported so that a posture change is possible with respect to the said surrounding wall of the said storage tank.

  According to the present invention, since the front wall of the storage tank is used as a means for supporting the shielding member, there is a structure for absorbing a change in the relative position of the storage tank and the shielding member accompanying a change in the posture of the storage tank. A shielding member that can be opened and closed with a simple structure is not necessary.

  In the present invention, it is preferable that the shielding member is supported at a position adjacent to the peripheral wall of the storage tank so that the posture of the shielding member can be changed with respect to the fixed portion on the traveling machine body side.

  According to the present invention, the shielding member can be firmly equipped using the fixed portion on the traveling machine body side.

  In the present invention, the discharge port side end portion of the storage tank projects in a laterally outward direction from the lateral outer end of the traveling machine body in the storage posture, and the travel is performed more than the projecting posture. It is preferable that the retracted posture is retracted toward the inward side of the airframe so that it can be withdrawn and retracted.

  According to the present invention, the discharge tank side end of the storage tank protrudes laterally outward from the lateral outer end of the traveling aircraft body, and is closer to the inward side of the traveling aircraft body than the projecting posture. Since the retracted storage posture is configured so that it can be withdrawn and retracted, it is possible to limit the width in the left-right direction of the storage tank at the time of traveling work and to easily avoid contact with other objects.

In the present invention,
The discharge port side end portion of the storage tank is in the projecting posture in accordance with the posture change of the shielding member to a state where the charging port is closed, and the posture of the shielding member in a state where the charging port is opened. It is preferable that the posture can be changed in conjunction with the shielding member so as to be in the retracted posture in accordance with the change.

  According to the present invention, since the posture change of the discharge port side end portion in the storage tank and the posture change of the shielding member are performed in conjunction with each other, it is quicker and easier than when both posture changes are performed separately. Easy to do.

  In the present invention, it is preferable that the shielding member is configured to be changeable in posture so as to close the charging port in conjunction with a change in posture of the storage tank to the discharge posture.

  According to the present invention, the posture is changed so that the shielding member closes the charging port in conjunction with the posture change to the discharging posture of the storage tank. Therefore, it is easy to easily change the posture without forgetting to close the charging port.

  In the present invention, an extension chute capable of adjusting the discharge distance of the harvested product discharged from the storage tank is equipped at the discharge port side end of the storage tank, and the extension chute is The discharge port of the storage tank in an extended state protruding upward from the upper end edge at the discharge port side end of the storage tank in a posture and a retracted state in which the protrusion length is shortened than the extended state It is preferable that the side end portion is configured to be capable of withdrawing and withdrawing.

  According to the present invention, the length of the crop sliding from the discharge port side end of the storage tank can be changed by the extension chute. Easy to do conveniently.

  In the present invention, the storage tank is provided with a sensor mechanism for detecting a storage height of the harvested product in the storage tank, and the sensor mechanism is provided on the inner surface of the peripheral wall of the storage tank. It is preferable that it is provided on the upper part of the inner surface of the peripheral wall near the end opposite to the end on the discharge port side.

  According to the present invention, the sensor mechanism for detecting the storage height of the crop tilts the storage tank to reduce the possibility of contact with the crop being slid during discharge, thereby reducing damage to the sensor mechanism. easy.

  In the present invention, the sensor mechanism includes a lever swing type limit sensor that detects an operating angle of the contact lever, and a pressure receiving plate that swings due to a pressing action of the harvest stored in the storage tank. The contact lever is operated to swing as the pressure receiving plate swings due to the crop pressing action, and the pressure receiving plate is in a direction opposite to the swinging direction due to the crop pressing action. It is preferable that the biasing mechanism is biased back to the initial position side.

  According to the present invention, as the sensor mechanism, the lever swing type limit sensor and the pressure receiving plate that swings due to the pressing action of the harvest are used. The situation of contact with the plant can be grasped, and there are few detection omissions in the harvest.

  In the present invention, it is preferable that a discharge side illumination device for irradiating the discharge side of the storage tank when the storage tank is in the discharge posture is provided on the upper part of the peripheral wall of the storage tank.

  According to the present invention, since the discharge side lighting device that irradiates the discharge side of the storage tank when the storage tank is in the discharge posture is equipped, the harvest discharge operation at night is performed in a state where the discharge port side is bright. Easy to do.

  In the present invention, inside irradiation that can irradiate the inside of the storage tank from the outside of the storage tank to the outside of the peripheral wall in the end region opposite to the discharge port side end portion of the peripheral wall of the storage tank. It is preferred that the device is equipped.

  According to the present invention, since the inner irradiation device capable of irradiating the inside of the storage tank from the outside of the storage tank is equipped, the harvesting operation is performed while grasping the storage state of the harvested product inside the storage tank during the operation. easy.

It is a left view of a corn harvester. It is a top view of a corn harvester. It is a front view in the standing posture of a storage collection device. It is a front view in the standing posture of a storage collection device. It is a front view in the inclination posture of a storage collection device. It is a front view which shows the cooperation drive device of the movable tank part and shielding member in a storage collection | recovery apparatus. It is a front view which shows the cooperation drive device of the movable tank part and shielding member in a storage collection | recovery apparatus. It is a perspective view which shows the cooperation drive device of the movable tank part and shielding member in a storage collection | recovery apparatus. It is a block diagram which shows a control system. It is a rear view which shows the operation state of a storage collection | recovery apparatus. It is a top view which shows the attachment state of the illuminating device with which the storage collection | recovery apparatus was equipped. It is an up-down direction sectional view showing a sensor mechanism. It is a perspective view which shows the attachment state of the sensor mechanism in another embodiment. It is an up-down direction sectional view showing a sensor mechanism in another embodiment. It is a perspective view which shows the attachment state of the sensor mechanism in another embodiment. It is a perspective view which shows the attachment state of the sensor mechanism in another embodiment. It is a top view which shows the attachment state of the illuminating device in another embodiment. It is a front view which shows the attachment state of the illuminating device in another embodiment. It is a front view which shows the drive device of the movable tank part and shielding member in another embodiment. It is horizontal direction sectional drawing which shows the drive device of the shielding member in another embodiment. It is a front view which shows the attitude | position change of the shielding member in another embodiment.

Hereinafter, an example of an embodiment according to the corn harvester of the present invention will be described based on the drawings.
In the description of the present embodiment, the front-rear direction and the left-right direction are described as follows unless otherwise specified. That is, the forward traveling direction (see arrow F in FIG. 2) toward which the driver's seat of the corn harvester to which the present invention is applied is “front”, and the backward traveling direction (see arrow B in FIG. 2) is “rear”. ”, The direction corresponding to the right side (see arrow R in FIG. 2) based on the forward posture in the front-rear direction is“ right ”, and the direction corresponding to the left side (see arrow L in FIG. 2) is also“ left ”. It is.

〔overall structure〕
As shown in FIGS. 1 and 2, in the corn harvester according to the present invention, the front portion of the body frame 10 is supported by a pair of left and right front wheels 11, and the rear portion of the body frame 10 is supported by a pair of left and right rear wheels 12. ing. Thus, the frame of the traveling machine body 1 is constituted by the vehicle body frame 10 supported by the front wheels 11 and the rear wheels 12. A driving unit 2 including a driving cabin 20 is provided at the front end portion of the vehicle body frame 10, and a driving unit 15 is provided on the vehicle body frame 10 behind the driving unit 2.
The pair of left and right front wheels 11 are non-steering wheels. The power of the engine 25 provided in the prime mover 15 is transmitted to the front wheel 11 and driven. The rear wheel 12 includes a hydraulically operated steering cylinder (not shown), and is configured as a steering wheel that can be steered. A self-propelled traveling machine body 1 is configured by including these front wheels 11 and rear wheels 12.

The traveling machine body 1 is provided with a harvesting processing device 3 as a harvesting unit that harvests crops at a position ahead of the driving cabin 20. A storage / recovery device 6 serving as a recovery unit for storing the harvested product is disposed at a rear position away from the operation cabin 20. Then, the harvested product is transported from the harvesting processing device 3 to the storage and recovery device 6 from the feeder 4 serving as a transporting device extending in the front-rear direction in a state where it is raised rearward from the rear portion of the harvesting processing device 3, and the terminal portion of the feeder 4. It is carried out through a skinning device 5 (corresponding to a transporting device) that performs a skinning process so as to peel off the foliage portion of the tuft-like portion while further transporting the delivered crop backward.
A residue processing device 17 is provided at a lower portion of the body frame 10 so as to be positioned at an intermediate portion in the front-rear direction between the front wheel 11 and the rear wheel 12.
In this corn harvester, during the harvesting operation, the traveling machine body 1 is driven by driving the front wheels 11, and the harvested product harvested by the harvesting processing device 3 is stored and recovered by the feeder 4 and the skinning device 5 having a transport function. Are stored in the storage and recovery device 6. The stalks left in the field at the time of harvesting are driven by a well-known hammer knife-type residue treatment device 17 having a plurality of rotary cutting blades 17a and capable of knocking off the planted stalks. Shredding is performed as 1 passes.

As shown in FIGS. 1 and 2, an operation unit step 21 and a boarding / alighting step 13 are provided on the laterally outer side of the left side entrance of the operation cabin 20. The step 13 for getting on and off is mounted so as to be swingable about a swing axis along the vertical direction, and is located at the laterally outer side of the front wheel 11 as shown by a two-dot chain line in FIG. As shown by a broken line, it can be switched to a storage position located on the rear side of the front wheel 11.
The left side of the traveling machine body 1 provided with the step 13 for getting on and off and the operation unit step 21 is the treated land side where the corn harvesting work has already been completed, and the right side of the traveling machine body 1 is still performing the corn harvesting work. It is an untreated land side that is not broken. Therefore, when a driver or an auxiliary worker gets on and off the corn harvester, the boarding step 13 can be placed on the aircraft from the already-treated land side with the boarding step 13 extended to the lateral outer side of the front wheel 11. it can.

  On the left side of the driving cabin 20, there is provided a transparent glass opening / closing door 22 capable of opening and closing the left entrance, and the opening / closing door 22 is provided to open and close the rear side with a hinge 23 on the front side as a swing fulcrum. . An opening / closing door (not shown) is provided on the right side of the driving cabin 20 in the same arrangement as the left side, but this right opening / closing door is for emergency escape, and its openable range is on the left side. The opening / closing door 22 is limited to a predetermined range narrower than the openable / closable range. Further, on the right side of the driving cabin 20, the driving unit step 21 and the getting-on / off step 13 as on the left side are not provided.

A work deck 14 is provided at a position corresponding to the left lateral side portion of the feeder 4 that is long disposed along the front-rear direction at the center portion in the lateral width direction of the vehicle body 1. The work deck 14 is equipped with a worker (auxiliary worker) who is different from the operator who controls the vehicle body and performs auxiliary work such as monitoring the unloading status of the feeder 4, or the driving cabin when the machine is stopped. The driver who came out of 20 can board in order to check the status of the feeder 4 and the storage and collection device 6.
That is, the boarding step 13, the driving unit step 21, and the work deck 14 are provided on the same left lateral side (finished ground side) of the traveling machine body 1, and the work deck 14 has a front end. Is arranged near the rear end of the driving unit step 21. The operation unit step 21 and the work deck 14 positioned at the upper end of the boarding / alighting step 13 are provided at a height that does not hinder the transfer, although there is a slight difference in height. .

  As shown in FIG. 2, the engine 25 is provided on the right side in the vehicle body width direction with respect to the feeder 4. The radiator 27 and the air cleaner 26 are arranged in a state of being located above the engine 25. As shown in FIG. 2, the work deck 14 and the engine 25 are arranged at positions facing each other in plan view in a state where the work deck 14 and the engine 25 are distributed to both sides in the horizontal direction of the machine body with the feeder 4 interposed therebetween.

  The harvesting processing device 3 is supported on a cabin support base 24 erected on the vehicle body frame 10 so as to be swingable up and down around a horizontal axis x1 along the left-right direction of the traveling machine body 1. That is, the harvesting processing device 3 is provided so as to be able to be driven up and down by an expansion and contraction operation of a hydraulically operated lifting cylinder 33 connected to the lower part of the body frame 10 and the harvesting processing device 3.

As shown in FIGS. 1 and 2, the harvesting processing device 3 is formed with three rows of introduction paths arranged in parallel in the horizontal direction, and a pair of left and right harvesting rolls 30 are positioned above each of the introduction paths. A pair of left and right endless transport chains 31 and the like are provided. Although not described in detail, the harvest roll 30 is rotatably supported around a rotation axis that is parallel to the introduction path, and is used to plant a corn crop (tuft) that is a target for harvesting the introduced corn. It is torn off from the stem stalk and separated to make the harvest.
In addition, an auger 32 is provided at a rear position of the plurality of harvesting rolls 30 and the plurality of endless transport chains 31 to transfer the harvested product to a lateral central position. The auger 32 moves the crops separated from the planted culm through the four rows of introduction paths to the central position in the lateral direction. The auger 32 supplies the harvested product from the delivery port to an input port (not shown) provided at the conveyance start end of the feeder 4.

  As shown in FIG. 1 and FIG. 2, the feeder 4 includes a drive shaft 41 at the upper rear portion in the feeder case 40 in an oblique posture that is directed upward toward the rear side. An endless rotating chain 42 extends over a drive sprocket (not shown) provided on the drive shaft 41 and a driven sprocket (not shown) provided on a driven shaft (not shown) disposed on the lower front side. A well-known transport conveyor type feeder 4 is wound.

  The skinning device 5 applies a skinning action to the tufted portion so as to act on the tufted portion as a corn crop to peel off the foliage, and the tufted portion is removed from the front side of the body along with the skinning operation. It is configured to move toward the rear side and carry into the inlet 6A of the storage tank 60 on the rear side. That is, the skinning device 5 and the feeder 4 constitute a transport device that transports the harvested product to the rear side.

[Storage and collection equipment]
Next, the storage and collection device 6 installed at the rear part of the traveling machine body 1 will be described.
The storage and collection device 6 is mounted on the rear portion of the vehicle body frame 10 at a position on the rear side of the rear end of the skin peeling device 5.
As shown in FIGS. 1, 2, and 3 to 5, the storage and recovery device 6 includes a tank support 7 fixed to a vehicle body frame 10, and a traveling machine body 1 with respect to the tank support 7. And a storage tank 60 pivotally supported so as to be swingable about a swing axis p1 along the front-rear direction.

The storage tank 60 is actuated by a telescopic cylinder 73 and is configured to be able to change its posture between a standing posture and a tilted posture by swinging up and down around the swing axis p1.
That is, as shown in FIG. 1, the storage tank 60 can store the harvested product inside the tank when the bottom surface 60 a is in a standing posture where the bottom surface 60 a is positioned substantially horizontally on the vehicle body frame 10. As shown in FIG. 5, the storage tank 60 has a posture in which the bottom surface 60a is inclined such that the side where the input port 6A exists is higher than the left end portion where the discharge port 6C described later exists, or the bottom surface 60a is a vehicle body frame. The posture can be changed to an upside-down posture so as to follow the vertical posture away from 10. In the tilted posture in which the storage tank 60 is tilted or inverted as described above, the harvested product stored in the storage tank 60 can be slid down to the side of the traveling machine body 1 and discharged from the discharge port 6C. .

The pivot axis p1 is the axis of the support shaft 70 fixed to the upper end of the tank support 7, and the support shaft 70 is connected and fixed to the upper frame 66 provided at the upper part of the storage tank 60. Accordingly, the storage tank 60 is placed on the upper side of the standing posture.
As shown in FIGS. 3 to 5, the tank support 7 is erected at a position offset to the left lateral side (right side in the drawings of FIGS. 3 to 5) in the left-right direction of the body frame 10. The upper end side is connected to the vehicle body frame 10 in an inclined posture in which the upper end side is located on the left lateral side with respect to the lower end side, and the support shaft 70 is provided in a state where it protrudes laterally outward from the left end portion of the vehicle body frame 10. ing.
Therefore, the storage tank 60 undulates around the pivot axis p1 at a position on the upper side of the storage tank 60 far from the upper surface of the body frame 10 and farther laterally outward than the left lateral end of the body frame 10. It is configured such that the posture can be changed between the standing posture and the tilted posture.
The harvested product discharge direction in the tilted posture of the storage tank 60 is set to the laterally outer side of the left end portion in the left-right direction of the traveling machine body 1. This left end is an end opposite to the right end, which is one end where the driving force transmission unit to the residue processing device 17 is disposed.

[Tank support]
The tank support 7 that supports the storage tank 60 includes a front frame 71 disposed on the vehicle body frame 10 on the front side of the storage tank 60 and a rear frame disposed on the vehicle body frame 10 on the rear side of the storage tank 60. 72.
Each of the front frame 71 and the rear frame 72 is connected to the outer end side frames 71A and 72A whose lower end side is located at the left end and the upper end side at a position overlapping the outer end side frames 71A and 72A in a side view. And inner side frames 71B and 72B which are located on the inward side of the machine body with the lower end side separated in the right direction, and are configured in the same shape.

  As shown in FIGS. 3 to 5, the telescopic cylinder 73 that causes the storage tank 60 to swing up and down is provided in an upper frame 66 provided in the upper part on the front side of the storage tank 60 and a front frame 71 as shown in FIGS. It is interposed between the intermediate position in the length direction of the inner side frame 71B. Similarly, the telescopic cylinder 73 has, on the rear side of the storage tank 60, an upper frame 66 provided on the upper rear side of the storage tank 60 and an intermediate position in the length direction of the inner side frame 72B in the rear frame 72. Intervened in between. These telescopic cylinders 73, 73 arranged before and after the storage tank 60 are configured to extend and contract in the same direction in synchronization with the front and rear.

The front frame 71 and the rear frame of the tank support 7 are located at the left end of the front and rear upper frames 66, 66 provided in the storage tank 60 at the left side wall portion 65 outside the storage tank 60. A support shaft 70, which connects the upper ends of 72, is provided outside the storage tank 60 so as to penetrate the front and rear upper frames 66, 66. The axis of the support shaft 70 becomes the swing axis p1 when the storage tank 60 is rocked up and down.
The upper end of the telescopic cylinder 73 is located on each upper frame 66 near the left end of the inlet 6A at a position slightly closer to the other end than the left end of the upper and lower upper frames 66, 66 where the support shaft 70 is present. It is connected. As the telescopic cylinder 73 expands and contracts, the storage tank 60 swings around the swing axis p1 and the right end side far from the swing axis p1 swings up and down greatly. .

[Storage tank]
The structure of the storage tank 60 will be described.
As shown in FIG. 2 and FIGS. 3 to 5, the storage tank 60 is open at the upper side with each side of the four sides of a substantially rectangular bottom plate portion 61 having a bottom surface 60 a facing the vehicle body frame 10 surrounded by a peripheral wall. It is formed in a bottomed box shape having a rectangular shape in plan view.
That is, as shown in FIGS. 2, 3 to 5, the storage tank 60 has a front side wall 62 (corresponding to a peripheral wall) facing the front of the traveling machine body 1 and a rear side facing the back of the bottom plate 61. Side wall part 63 (corresponding to the peripheral wall), right side wall part 64 facing the right lateral direction (peripheral wall and corresponding to the lateral side wall part), and left side wall part 65 facing the left lateral direction (peripheral wall and lateral side wall part) Equivalent). An inlet 6A for introducing a harvested product from the skinning device 5 and a see-through window 6B for making the inside of the storage tank 60 visible from the front side are formed on the upper part of the front side wall 62. . The see-through window portion 6B only needs to be able to visually observe the inside while preventing the spilled-off crops, and this structure employs expanded metal.
The width in the left-right direction of the input port 6 </ b> A is set to be approximately the same as the width in the left-right direction of the transport surface of the skinning device 5.

The left side wall portion 65 (shown on the right side in FIGS. 3 and 4), which is the left lateral side, which is the direction in which the crop is discharged, is the standing posture of the storage tank 60, and the lower end side is near the left end portion of the body frame 10. The upper end of the vehicle body frame 10 is provided in an inclined posture that is located on the left lateral side so that the upper end protrudes laterally outward from the left end of the body frame 10. The inclination angle of the left side wall portion 65 with respect to the bottom plate portion 61 is set to an angle at which the harvested product in the storage tank 60 can be reliably slid down when the bottom plate portion 61 is operated in a substantially vertical posture.
A right side wall portion 64 (shown on the left side in FIGS. 3 and 4) facing the right lateral direction of the traveling machine body 1 is configured by a rectangular plate material substantially along a vertical line in the standing posture of the storage tank 60. Yes. The front side wall part 62 and the rear side wall part 63 are standing postures of the storage tank 60, the right side edge is substantially along the vertical line along the right side wall part 64, and the left side side edge is upward along the left side wall part 65. It is formed in the inclined edge located in the left lateral side, so that the side is.

On the front side wall 62 and the rear side wall 63, a horizontally long upper frame 66 extending over the entire width in the left-right direction is provided at a position corresponding to a height position lower than the position where the inlet 6 </ b> A is formed. The front side wall 62 and the rear side wall 63 are fixed by welding to the outside of the wall.
An inlet 6A for introducing a harvest from the end of the skinning device 5 is formed at a substantially central position in the left-right direction of the wall portion 62A above the upper frame 66 of the front side wall 62. A portion corresponding to the left end edge portion of the charging port 6A and the left wall portion 65 is formed in the see-through window portion 6B. Therefore, the see-through window 6B is located at the upper part near the left end in the direction of the harvested product of the storage tank 60, and is provided at a position protruding laterally outward from the left end of the body frame 10.

At the end of the storage tank 60 on the discharge direction side, there is a sharp corner formed by an end edge where the left side wall portion 65 and the front side wall portion 62 intersect and an upper end edge of the front side wall portion 62. However, the see-through window portion 6B is formed at a location close to the corner portion including the sharp corner portion. A portion of the see-through window 6B located on the left end side of the pivot axis p1 of the storage tank 60 is a front-rear direction capable of pivoting around the pivot axis p1, as shown in FIGS. It is configured by a fan-shaped movable tank portion 60B as viewed.
That is, the storage tank 60 includes a tank main portion 60A supported by the tank support 7 so as to be able to swing up and down, and a movable tank portion 60B that can swing around the swing axis p1 with respect to the tank main portion 60A. It has.

The movable tank portion 60B has an extended posture projecting leftward and leftward from the tank main portion 60A, and substantially the entire movable tank portion 60B is retracted into the tank main portion 60A so that the movable tank portion 60B and the tank main portion 60A are viewed in the front-rear direction. It is configured so that the posture can be changed between overlapping storage postures (see FIGS. 3 and 4).
As described above, the movable tank portion 60B is configured to be able to change the posture between the extended posture and the retracted posture with respect to the tank main portion 60A in a state where the storage tank 60 is in the standing posture.
Then, when the posture of the entire storage tank 60 is changed to the tilted posture with the movable tank portion 60B in the extended posture, the harvest stored in the tank main portion 60A is directed to the lateral side of the traveling machine body 1. And is discharged from the discharge port 6C existing at the upper edge of the movable tank portion 60B (see FIG. 5).

(Shielding member)
A shielding member 67 capable of opening and closing the input port 6A is attached to an upper portion of the front side wall portion 62 where the input port 6A for introducing the harvest is formed.
As shown in FIGS. 3 to 7, the shielding member 67 has an upper side 67a and a bottom side 67b that are parallel or substantially parallel to each other, and one leg side 67c that is orthogonal or substantially orthogonal to the bottom side 67b. The other leg side 67d is formed in a trapezoidal shape with unequal legs inclined.
The shielding member 67 is near the intersection of the bottom 67b and one leg side 67c located on the left side (right side in FIGS. 3 and 6) of the insertion port 6A, and the axis p2 of the operation shaft 67e along the front-rear direction. The front side wall 62 is pivotally supported so that it can swing up and down.

Accordingly, as shown in FIG. 3, the shielding member 67 is in a state in which the bottom 67b hangs down, and one leg side 67c is in a state along the lower edge of the insertion port 6A, thereby opening the entire insertion port 6A. It can be a harvest acceptance posture.
As shown in FIG. 4, the crop 67 is prepared by closing the portion of the input port 6 </ b> A closer to the discharge port 6 </ b> C by setting the bottom 67 b along the lower edge of the input port 6 </ b> A as shown in FIG. 4. It can be a posture.
As described above, when the shielding member 67 is set to the harvest discharge preparation posture, and the posture of the entire storage tank 60 is changed to the tilted posture, the harvest stored in the tank main portion 60A runs as shown in FIG. It slides toward the lateral side of the airframe 1 and is discharged from the discharge port 6C existing at the upper edge of the movable tank portion 60B.

At this time, when the entire storage tank 60 is changed to the tilted posture while the harvested tank is almost completely stored in the storage tank 60, the inlet 6A of the tilted storage tank 60 on the side close to the discharge port 6C. The portion is closed by the shielding member 67. As a result, as shown by a broken line in FIG. 5, the harvested material that slides near the portion corresponding to the portion of the input port 6 </ b> A close to the discharge port 6 </ b> C is guided to the shielding member 67 in the closed position. Therefore, it is easy to avoid dropping from the inlet 6A to the outside of the tank.
The shielding member 67 and the movable tank portion 60B are configured to be driven.

[Interlocking drive]
The shielding member 67 and the movable tank portion 60B are configured to be linked and operated by the interlocking drive device 8.
As shown in FIGS. 6 to 8, the interlocking drive device 8 includes an electric motor 80, a shielding-side interlocking mechanism 8 </ b> A that transmits the power of the electric motor 80 to the shielding member 67, and the power of the electric motor 80 as a movable tank. And a tank side interlocking mechanism 8B for transmitting to the part 60B.
The electric motor 80 includes an output gear 80a provided integrally with an output shaft 81 having a rotational axis p0 along the front-rear direction, and a reduction gear mechanism (not shown) for transmitting reduced power to the output gear 80a. Z)).

The shield-side interlocking mechanism 8A includes a drive arm 82 that rotates integrally with an output shaft 81 provided with an output gear 80a of the electric motor 80, a follower arm 84 that is fixed to the operation shaft 67e of the shield member 67, and its follower. The link mechanism includes an arm 84 and an interlocking rod 83 that connects the drive arm 82.
According to this structure, as shown in FIG. 6, the output shaft 81 of the electric motor 80 is rotated counterclockwise in the same figure from the state in which the shielding member 67 is in the harvest receiving posture in which the entire inlet 6A is opened. It can be rotated to a discharge preparation posture as shown in FIG. Conversely, as shown in FIG. 7, the output shaft 81 of the electric motor 80 is rotated clockwise in FIG. 7 from the state in which the shielding member 67 closes the portion of the inlet 6A close to the outlet 6C. Thus, as shown in FIG.

That is, when the output shaft 81 rotates counterclockwise, the drive arm 82 swings counterclockwise, and the drive arm 82 pulls the interlocking rod 83 in the right direction in the drawing. As a result, the driven arm 84 rotates clockwise, and the shielding member 67 that rotates integrally with the driven arm 84 also rotates clockwise. As shown in FIG. 7, the shielding member 67 is discharged from the inlet 6A. It becomes the discharge preparation posture which obstruct | occluded the part near the exit 6C.
Then, when the output shaft 81 is rotated clockwise from the discharge preparation posture shown in FIG. 7, the drive arm 82 also swings clockwise, and the drive arm 82 pushes the interlocking rod 83 in the left direction in the figure. To do. Accordingly, the driven arm 84 rotates counterclockwise, and the shielding member 67 that rotates together with the driven arm 84 also rotates counterclockwise, so that the shielding member 67 is inserted into the insertion port 6A as shown in FIG. The harvest acceptance posture is opened.

The tank-side interlocking mechanism 8B is fixed to the cylindrical member 85 having a driven gear 85a that meshes with the output gear 80a of the electric motor 80, and to the laterally outer side of the movable tank portion 60B. And an operation bracket 85b. The cylindrical member 85 has the driven gear 85a formed on the outer peripheral portion thereof, and is externally fitted to the support shaft 70 fixed to the upper end portion of the tank support base 7 so as to be relatively rotatable.
Therefore, the driven gear 85a that meshes with the output gear 80a of the electric motor 80 changes its rotation direction by changing the rotation direction of the output gear 80a of the electric motor 80 forward and backward. Accordingly, the posture of the movable tank portion 60B is changed around the swing axis p1 that is the axis of the support shaft 70.

That is, as shown in FIG. 6, the output shaft 81 is turned from a state where almost the entire movable tank portion 60B is retracted into the tank main portion 60A and overlaps with the tank main portion 60A in the front-rear direction. When rotating clockwise, the driven gear 85a meshing with the output gear 80a rotates clockwise. Along with this, the operation bracket 85b fixed to the cylindrical member 85 rotates the movable tank portion 60B clockwise, and protrudes leftward and outward from the tank main portion 60A as shown in FIG. Operate in extended posture.
When the output shaft 81 is rotated clockwise from the extended posture shown in FIG. 7, the driven gear 85a meshing with the output gear 80a is rotated counterclockwise. Accordingly, the operation bracket 85b fixed to the cylindrical member 85 rotates the movable tank portion 60B counterclockwise, and as shown in FIG. 6, most of the movable tank portion 60B is the tank main portion 60A. And the storage posture overlapped.

[Extended chute]
As shown in FIG. 8, the storage tank 60 has an extension chute 69 at the end on the side where the discharge port 6 </ b> C exists so that the discharge distance of the crop discharged from the storage tank 60 can be adjusted. Equipped. The extension chute 69 is formed of a flat plate-like member having a width in the front-rear direction that is about the same as the interval between the front side wall 62 and the rear side wall 63 of the storage tank 60.
The extension chute 69 is configured to be slidable along the left wall 65 while being guided by guides (not shown) provided at both front and rear ends of the left wall 65. Has been.
The extended chute 69 is extended to protrude upward from the upper end edge of the discharge port 6 </ b> C existing at the upper end of the left side wall portion 65, so that the harvest in the storage tank 60 can be further distant. You can slide down while guiding. Then, by switching the extension chute 69 to the retracted state in which the projecting length is shortened compared to the extended state, the projecting length upward from the upper end edge of the storage tank 60 in the retracted state is shortened, and compact. It can be made into a storing posture.

〔Control device〕
The telescopic cylinder 73 for raising and lowering the storage tank 60, and the electric motor 80 for actuating the movable tank portion 60B and the shielding member 67 are operated based on a command from the control device 100.
As shown in FIG. 9, the control device 100 sends a control signal to the telescopic cylinder 73 and the electric motor 80 based on an operation command from an operation command tool 101 arranged at an appropriate position in the driving cabin 20. Output.
The operation command tool 101 includes a push button operation type discharge operation command switch 102 for instructing the control apparatus 100 of a harvest discharge state, and a push button operation type storage for instructing a harvest storage state. An operation command switch 103 is provided.

When the discharge operation command switch 102 is pushed, the control device 100 outputs a control command to the control valve 74 of the expansion cylinder 73 so as to open an oil passage to the side where the expansion cylinder 73 is extended. Along with this, the telescopic cylinder 73 extends and the storage tank 60 is swung around the swing axis p1 so that the storage tank 60 is tilted to slide the harvested product toward the discharge port 6C.
At the same time, the control device 100 drives the electric motor 80 as the discharge operation command switch 102 is pushed, and outputs a control signal so that the output gear 80a rotates counterclockwise. Accordingly, the movable tank portion 60B is operated to the extended posture, and the shielding member 67 is operated to the discharge preparation posture.

When the storage operation command switch 103 is pushed, the control device 100 outputs a control command to the control valve 74 of the expansion cylinder 73 so as to open an oil passage to the side that shortens the expansion cylinder 73. Along with this, the telescopic cylinder 73 is shortened, and the storage tank 60 has a bottom surface 60a positioned substantially horizontally on the vehicle body frame 10 so as to be in a standing posture capable of storing the harvest.
At the same time, as the storage operation command switch 103 is pushed, the control device 100 drives the electric motor 80 and outputs a control signal so that the output gear 80a rotates clockwise. As a result, the movable tank unit 60B is operated to the retracted posture, and the shielding member 67 is operated to the harvest receiving posture.

The output of the control signal from the control device 100 due to the pushing operation of the discharge operation command switch 102 continues in principle until the detection device (not shown) detects that the storage tank 60 has reached a predetermined tilted posture. However, if the discharge operation command switch 102 is pressed again while the storage tank 60 is changing its posture, the output of the control signal from the control device 100 is temporarily stopped at that time.
Thereafter, when the discharge operation command switch 102 is pushed again, a control command for the control valve 74 to extend the telescopic cylinder 73 again and the output gear 80a to the electric motor 80 are rotated counterclockwise. Output a control signal.
When the storage operation command switch 103 is pushed from the temporarily stopped state, the control command for the control valve 74 to the side where the telescopic cylinder 73 is shortened and the output gear 80a to the electric motor 80 are rotated clockwise. The control signal is output to the storage tank 60 and the storage tank 60 is returned to the standing posture.

The output of the control signal from the control device 100 due to the pushing operation of the storage operation command switch 103 continues in principle until the detection device (not shown) detects that the storage tank 60 has reached a predetermined standing posture. However, if the storage operation command switch 103 is pushed again while the storage tank 60 is changing its posture, the output of the control signal from the control device 100 is temporarily stopped at that time.
Thereafter, when the storage operation command switch 103 is pressed again, the control command for the control valve 74 to the side for shortening the telescopic cylinder 73 and the output motor 80a to the electric motor 80 are controlled to rotate clockwise. Output a signal.
When the discharge operation command switch 102 is pushed from the temporarily stopped state, the control command for the control valve 74 to the side where the telescopic cylinder 73 extends and the output gear 80a to the electric motor 80 rotate counterclockwise. Thus, the control signal is output, and the storage tank 60 is returned to the tilted posture.

[Lighting device]
On the rear side wall portion 63 of the storage tank 60 and the rear surface side of the tank support 7 that supports the storage tank 60, the following lighting device is provided.
That is, as shown in FIGS. 10 and 11, a fixed illumination device 75 as an illumination device that irradiates the rear side of the machine body is installed at the upper end portion of the rear frame 72 in the tank support 7.
And the illumination which irradiates to the location away from the side in which the rocking | swiveling axis center p1 provided near the discharge port 6C exists in the rear side wall part 63 of the storage tank 60 irradiates the rear side of the fuselage and the discharge side of the storage tank. A discharge side illumination device 86 as a device is provided.
Further, a rear-facing camera 76 is provided at a substantially central position in the left-right direction in the rear side wall 63 of the storage tank 60.

The fixed illumination device 75 is installed at the upper end of the rear frame 72 located above the left end of the traveling machine body 1 and irradiates a predetermined range θ1 on the rear side of the traveling machine body 1.
The discharge side lighting device 86 irradiates a predetermined range θ2 on the rear side of the traveling machine body 1 in a state where the storage tank 60 is in a standing posture capable of storing the harvested product, and as shown in FIG. The shaft center line Lc is attached so as to face slightly to the left.
The irradiation range on the rear side of the fuselage for these fixed illumination device 75 and discharge-side illumination device 86 is set so that the entire imaging range θ3 in the left-right direction by the camera 76 for rear imaging can be irradiated. The image taken by the camera 76 can be viewed by the driver using a monitor (not shown) provided in the driving cabin 20.

And, as shown by the phantom line in FIG. 10, when the storage tank 60 is tilted, the discharge side lighting device 86 can irradiate the vicinity of the discharge port 6C while being lifted high. It is possible to illuminate the hand of the worker who performs the work near the discharge port 6C in the work, and it is possible to easily perform the night work.
The fixed illuminating device 75 and the discharge-side illuminating device 86 transmit light through an agricultural film (cut filter) that does not transmit near-ultraviolet light in the vicinity of 250 to 400 nm, which is a wavelength range of light visually perceived by insects. It is comprised so that it may irradiate.

[Sensor mechanism]
In the storage tank 60, the storage tank 60 was stored inside the storage tank 60 in the rear side wall 63, which is the wall on the side facing the front side wall 62 where the inlet 6 </ b> A was formed, of the peripheral wall of the storage tank 60. A sensor mechanism 9 is provided for detecting the amount of stored crop.
As shown in FIGS. 3 to 5, 11, and 12, the sensor mechanism 9 has an inner surface of the rear side wall 63 on the side opposite to the end of the storage tank 60 on the side of the discharge port 6 </ b> C. It is provided in the upper part near the end and on the side farther from the discharge port 6C than the place where the input port 6A exists.

As shown in FIG. 12, the sensor mechanism 9 includes a lever swing type limit sensor 90 that detects the operating angle of the contact lever 91, and a pressure receiving plate that swings due to the pressing action of the harvest stored in the storage tank 60. 92.
A coil spring 93 is provided as a biasing mechanism for biasing the pressure receiving plate 92 toward the side away from the inner surface of the rear side wall 63. Further, on the upper side of the limit sensor 90, a steel ball 94 as a stopper for avoiding direct contact with the pressure receiving plate 92 is provided.

With this structure, the pressure receiving plate 92 is pressed by the contact with the harvested product put in the storage tank 60, and the pressure receiving plate 92 pushes the contact lever 91 of the limit sensor 90 against the urging force of the coil spring 93. The limit sensor 90 detects that the storage tank 60 is full. The full detection result is notified to the driver by a notification device (not shown) such as a display lamp or a buzzer provided at an appropriate position in the driving cabin 20.
As the harvested product in the storage tank 60 is discharged, the pressure receiving plate 92 is pushed back to the side away from the limit sensor 90 by the biasing force of the coil spring 93, and the full notification by the notification device is reset.
The pressure receiving surface 92 a of the pressure receiving plate 92 is configured to have a considerably larger area than the detection area of the contact lever 91. This is because when the gap formed between the harvested products stored in a stacked state inside the storage tank 60 is located in front of the contact lever 91 and larger than the contact lever 91, the gap This is to avoid the situation where the contact lever 91 of the limit sensor 90 cannot detect the pressing force due to the presence of. Further, since the pressure receiving plate 92 is provided so as to cover each contact lever 91, the pressure receiving plate 92 also serves as a sensor cover. The contact lever 91 is caused by frictional contact with other objects. The damage can be avoided and the durability can be improved.

  The notification by the notification device may be configured to display that the limit sensor 90 is full when the limit sensor 90 detects that the limit sensor 90 is full, or until the limit sensor 90 detects that the limit sensor 90 is full. It may be configured to display that it has not reached.

[Other Embodiment 1]
In the embodiment, the sensor mechanism 9 is illustrated as having a structure including the pressure receiving plate 92 that protrudes inward of the rear side wall 63 on the inner surface side of the rear side wall 63 of the storage tank 60. It is not limited to.
For example, as shown in FIGS. 13 and 14, a recessed portion 63A is formed in a part of the rear side wall portion 63 so as to be recessed outwardly away from the center of the storage tank 60, and the limit is set in the recessed portion 63A. The sensor 90, the contact lever 91, and the cover-like pressing piece 96 may be disposed, and the pressure receiving plate 92 may be provided in a state where it is substantially flush with the inner surface of the rear side wall 63 in a free state. The cover-like pressing piece 96 and the pressure receiving plate 92 are urged toward the return side by the winding springs 95a and 95b.
According to this structure, since the pressure receiving plate 92 is disposed so as to be substantially flush with the inner surface of the rear side wall portion 63 in a free state, it is possible to avoid protrusion of the rear side wall portion 63 of the pressure receiving plate 92 toward the inner surface side. This is advantageous in that it is easy to avoid strong contact with the harvest.
Other configurations may be the same as those in the above-described embodiment.

[Second embodiment]
In the embodiment, a structure in which the sensor mechanism 9 is provided on the inner surface side of the rear side wall portion 63 of the storage tank 60 is shown, but the structure is not limited to this structure. For example, as shown in FIG. 15, it is also received on the inner surface side of the right side wall portion 64 of the storage tank 60 or on the inner surface side of the front side wall portion 62 of the storage tank 60 as shown in FIG. 16. There may be.
Further, the sensor mechanism 9 may be provided not only on a single peripheral wall portion but also on a plurality of peripheral wall portions as shown in FIG.
Other configurations may be the same as those in the above-described embodiment.

[3 of another embodiment]
In the embodiment, the illumination device is illustrated as having a structure including the fixed illumination device 75 and the discharge-side illumination device 86 in a state of being located on the rear side of the storage tank 60, but is not limited to this structure. .
For example, as shown in FIGS. 17 and 18, an inner illumination device 87 that irradiates obliquely left front is disposed on the front side wall 62 of the storage tank 60, and the irradiation direction is set on the front side of the irradiation direction. A reflecting mirror 88 may be provided to face diagonally left rear. As a result, a part of the light emitted from the inner illumination device 87 is directed obliquely left rearward by the reflecting mirror 88 and irradiates the inside of the storage tank 60 through the inlet 6A.
The inner lighting device 87 and the reflecting mirror 88 may be provided in place of the discharge side lighting device 86, and the discharge side lighting device 86 may be omitted, or may be used together with the discharge side lighting device 86.
Other configurations may be the same as those in the above-described embodiment.

[4 of another embodiment]
In the embodiment, the structure including the interlocking drive device 8 that interlocks and drives the shielding member 67 and the movable tank portion 60B is shown, but the structure is not limited to this. For example, as shown in FIGS. 19 and 20, an electric motor 89 that drives the shielding member 67 is provided separately from the electric motor 80 that drives the movable tank portion 60B, and each of the electric motors 80 and 89 is driven separately. May be individually operated.
That is, as described above, the movable tank portion 60B is configured to be switchable between the extended posture and the retracted posture around the swing axis p1 by driving the electric motor 80. The shielding member 67 is an electric motor 89 different from the electric motor 80 for driving the movable tank portion 60B, and the shielding member 67 is engaged with the output gear 89a of the electric motor 89 and the rack gear 67A provided on the shielding member 67. Is configured to be movable up and down.
Therefore, when the storage tank 60 is tilted for discharging, the movable tank portion 60B is extended as shown in FIG. 19, and the shielding member 67 is raised so that the end of the charging port 6A closer to the discharging port 6C is located. Position to block. When the storage tank 60 is in the standing posture for storing the harvested product, the movable tank portion 60B is in the storage posture, and the shielding member 67 is lowered and positioned at a position away from the charging port 6A.
Other configurations may be the same as those in the above-described embodiment.

[5 of another embodiment]
In the embodiment, the structure in which the shielding member 67 is mounted on the storage tank 60 is shown, but the structure is not limited to this.
For example, as shown in FIGS. 19 and 20, the shielding member 67 may be installed on the traveling machine body 1 side instead of being installed on the storage tank 60.
That is, a support column 18 (corresponding to a fixed portion) having a channel cross section for supporting the electric motor 89 is erected from the vicinity of the left end of the body frame 10, and the electric motor 89 is disposed near the upper end of the support column 18. Support. Then, the output gear 89a of the electric motor 89 is engaged with a rack gear 67A provided on the shielding member 67, and a recessed groove portion 67B at a position away from the rack gear 67A of the shielding member 67 is erected from the traveling machine body 1 side. It is engaged with a guide bar 19 (corresponding to a fixed part).
As a result, the shielding member 67 is supported by the output gear 89a and the guide rod 19 from the left and right, so that the shielding member 67 can be moved up and down as the output gear 89a rotates.
The shielding member 67 is supported by the support column 18 and the guide bar 19 provided on the traveling machine body 1 at a position adjacent to the charging port 6A of the storage tank 60, and its position is changed up and down to change the position of the charging port 6A. The position can be changed between a position where the end near the discharge port 6C is closed and a position where the end is removed from the insertion port 6A.
Other configurations may be the same as those in the above-described embodiment.

[6 of another embodiment]
In the embodiment, the storage tank 60 is illustrated as having a structure including the movable tank portion 60B configured to be switchable between the extended posture and the retracted posture around the swing axis p1, but the storage tank 60 is not limited to this structure. It is not something that can be done.
For example, as shown in FIG. 21, a storage tank 60 having an integral structure that does not have a partial posture change portion may be used. And the attitude | position of the shielding member 67 is not restricted to what drives using drive means, such as an electric motor, As shown in this FIG. 21, what was comprised so that attitude | position change was possible by manual operation.
In this structure, the arm portion 68 is extended from near the intersection of the bottom side 67b of the shielding member 67 and the one leg side 67c, and a part of the arm portion 68 is pivoted to the upper frame 66 below the insertion port 6A. It is pivotably supported around p4.
Then, the bolts are connected in a state where the locking holes 68a and 68b formed at the two positions of the arm portion 68 are selectively matched with the locking holes 66a and 66b formed at the two positions of the upper frame 66. Thus, the posture can be fixed by switching the posture between a discharge preparation posture shown by a solid line in FIG. 21 and a harvest receiving posture shown by a virtual line.
Other configurations may be the same as those in the above-described embodiment.

[7 of another embodiment]
In the embodiment, the structure in which the swing center of the pressure receiving plate 92 of the sensor mechanism 9 is set above the location where the limit sensor 90 exists is illustrated, but the structure is not limited to this.
For example, the center of oscillation of the pressure receiving plate 92 is set to the lower side of the location where the limit sensor 90 is present, or is set to the lateral side of the location where the limit sensor 90 is present, so that the pressure receiving plate 92 swings around the vertical axis. You may comprise so that it may move.
Other configurations may be the same as those in the above-described embodiment.

  The present invention can be applied to a corn harvesting machine for harvesting corn, and can be applied to a structure without a driving cabin, a front wheel steering type, or a crawler traveling type, The present invention can also be applied to a structure that does not include a skinning device.

1 traveling machine 3 harvesting section (harvest processing device)
4 Feeder (Conveyor)
5 Peeling device (conveying device)
6A Input port 6C Discharge port 9 Sensor mechanism 10 Body frame 18, 19 Fixed part 60 Storage tank 62 Front side wall part (wall on the side facing the feeder)
65 Side wall (left wall)
67 Shielding member 69 Extension chute 85 Discharge side lighting device 87 Inside irradiation device 90 Limit sensor 91 Contact lever 92 Pressure receiving plate 93 Biasing mechanism

Claims (11)

A harvesting section that is located in front of the traveling aircraft and harvests the harvest;
A transport device for transporting the harvested product harvested in the harvesting section to the rear side;
A rectangular box-shaped storage tank capable of storing the harvested product discharged from the transport terminal of the transport device;
The storage tank includes an input port and an output port for the harvest, and a storage posture in which the input port can store the harvest so as to face a transfer terminal of the transfer device, and more than the discharge port side. It is configured such that the posture can be changed to a discharge posture capable of discharging the harvested product from the discharge port by tilting so that the input port side becomes high,
Of the upper edge of the peripheral wall of the storage tank, the upper edge of the peripheral wall other than where the inlet is formed is formed higher than the lower edge of the inlet,
A corn harvester provided with a shielding member capable of closing all of the input ports or a portion of the input ports close to the discharge ports.   The corn harvester according to claim 1, wherein the shielding member is supported so as to be capable of changing a posture with respect to the peripheral wall of the storage tank.   The corn harvester according to claim 1, wherein the shielding member is supported at a position adjacent to the peripheral wall of the storage tank so that the posture of the shielding member can be changed with respect to the fixed portion on the traveling machine body side.   The discharge-port side end of the storage tank has an overhanging posture that protrudes laterally outward from the lateral outer end of the traveling aircraft body in the storage posture, and an inner side of the traveling aircraft body than the overhanging posture. The corn harvesting machine according to any one of claims 1 to 3, wherein the corn harvesting machine is configured to be able to withdraw and retract in a retracted posture that is retired closer.   The discharge port side end portion of the storage tank is in the projecting posture in accordance with the posture change of the shielding member to a state where the charging port is closed, and the posture of the shielding member in a state where the charging port is opened. The corn harvester according to claim 4, wherein the corn harvester is configured to be capable of changing its posture in conjunction with the shielding member so as to be in the retracted posture in accordance with the change.   The corn harvester according to any one of claims 1 to 4, wherein the shielding member is configured to change its posture so as to close the charging port in conjunction with a posture change of the storage tank to the discharge posture. Machine. An extension chute capable of adjusting the discharge distance of the harvested product discharged from the storage tank is equipped at the discharge port side end of the storage tank,
The extension chute is in an extended state in which the storage tank protrudes upward from the upper end edge at the discharge port side end of the storage tank, and a storage state in which the protrusion length is shorter than the extended state. The corn harvester according to any one of claims 1 to 6, wherein the corn harvester is configured to be capable of withdrawing and withdrawing from an end of the storage tank on the outlet side. The storage tank is provided with a sensor mechanism for detecting the storage height of the harvest in the storage tank,
8. The sensor mechanism according to claim 1, wherein the sensor mechanism is disposed at an upper portion of the inner surface of the peripheral wall of the storage tank near the end opposite to the discharge port side end of the storage tank. The corn harvester according to one item. The sensor mechanism includes a lever swing-type limit sensor that detects an operating angle of the contact lever, and a pressure receiving plate that swings due to the pressing action of the harvest stored in the storage tank,
The contact lever is configured to swing with the swing of the pressure receiving plate due to the pressing action of the harvest,
The corn harvester according to claim 8, wherein the pressure receiving plate is urged to return to an initial position by an urging mechanism that urges the harvested product in a direction opposite to a swinging direction due to a pressing action of the harvested product.   The discharge side lighting device which irradiates the discharge side of the storage tank when the storage tank is in the discharge posture is provided on the upper part of the peripheral wall of the storage tank. Corn harvester.   Of the peripheral wall of the storage tank, an inner irradiation device capable of irradiating the inside of the storage tank from the outside of the storage tank is provided outside the peripheral wall in the end region opposite to the discharge port side end. The corn harvester according to any one of claims 1 to 10.

Images