JP2005333917A5 - - Google Patents

Description

Vegetable harvesting machine

  The present invention relates to a vegetable harvester that harvests vegetables in a field.

There is a vegetable harvester that uses a storage bag that can store a large number of crops at a time when storing harvested crops.
And it is desirable not to damage a crop as much as possible when storing the harvested crop in a storage bag. Therefore, in order to shorten the fall distance, Patent Document 1 describes a support device that lowers a support member that supports the bottom portion of a storage bag as the amount of crops stored in the storage bag increases. Moreover, the structure which mounts a some accommodation bag in the one side of a body is described.

In this harvesting machine, when the storage bag becomes full, the operator moves the full storage bag from the storage position to another placement position, and attaches a new empty storage bag to the storage position. And when the storage bag which accommodated the crop becomes a full state, the mounted storage bag is taken out of the machine.
JP 2002-335729 A

  Improving work efficiency in a vegetable harvester is an important issue, and for this purpose, it is possible to load and work on crops. It is desirable to make it easy to increase and take out crops from the machine.

The present invention, by devising the structure of the member for mounting location, is to solve the above problems.

According to the first aspect of the present invention, a harvesting device (5) for harvesting crops is provided on the left and right sides of the traveling vehicle body, and an accommodating portion (7) for accommodating harvested crops is provided on the left and right sides of the traveling vehicle body. A sorting section (6) for sorting crops harvested at the rear is provided in the left-right direction of the machine body, an auxiliary seat (6s) on which an auxiliary worker sits is provided behind the sorting section (6), and the storage section ( crops provided with a mounting portion for mounting (24) the accommodating 7), conveying device (24a) is provided for conveying the crop is placed in the placing portion (24) to the fuselage forward, placing part ( 24) An elevating device (23) is provided on the rear side, and a supporting member (22) that descends as the mounted crops increase is provided in a cantilever supporting state on the elevating device (23), and the supporting member (22) And a supporting member that is lowered to a position below the conveying action portion of the conveying device (24a). Passing capable that constitutes the crop on 22) to the conveying device (24a) was toppers characterized.

The vegetable harvesting machine having the above configuration can secure a wide place for placing crops by providing a transport device (24a) for transporting crops placed on the placement unit (24) to the front of the machine body.
Moreover, since the front side of the support member (22) is in an open state by providing the support member (22) in a cantilever support state on the lifting device (23) on the rear side of the placement portion (24), A person can easily exchange the containing bag (B).

And, as the support member (22) descends below the transport action part of the transport device (24a), the crop on the support member (22) is reliably handed over to the transport device (24a), and It is possible to secure a path for the transport device (24a) to move the crop to the front side of the machine body.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, when the conveying device (24a) detects that the support member (22) is lowered to a position below the receiving surface, the conveying device (24a) The vegetable harvesting machine according to claim 1, characterized in that a drive for starting is started .

The vegetable harvesting machine configured as described above starts driving the transport device (24a) when detecting that the support member (22) has been lowered, so that the drive time of the transport device (24a) can be shortened.

  According to the first aspect of the present invention, since the carrying device (24a) is provided in the placing portion (24), a wide place for placing the crop can be secured, so that the harvesting operation can be performed efficiently.

In addition, the support member (22) is provided in a cantilevered support state on the lifting device (23) on the rear side of the placement portion (24), so that the worker can be accommodated from the opening portion on the front side of the support member (22). Since the bag (B) can be pulled out and exchanged, the efficiency of exchanging the accommodation bag (B) is improved.

Furthermore, since the support member (22) is lowered below the transfer operation portion of the transfer device (24a), the support member (22) can easily transfer the crop to the front side of the machine body, so that the work efficiency is improved. To do.

In addition to the effect of the invention according to claim 1, the invention according to claim 2 drives the transport device (24a) when it is detected that the support member (22) has passed the transport action portion of the transport device (24a). Since the driving time of the transport device (24a) can be shortened by using the configuration in which the transport device (24a) is started, the durability of the member that drives the transport device (24a) can be improved.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Left and right side views of the vegetable harvester according to the configuration example of the present invention are shown in FIGS. 1 and 2, respectively. In FIG. 1 and FIG. 2, the vegetable harvesting machine 1 has a control unit 4 for running and operating equipment, and a root vegetable crop vegetated on a farm field supported by a running device composed of left and right crawlers 3, 3 and the like. A harvesting unit 5 to be captured, a sorting unit 6 for sorting the fetched crop, a storage unit 7 for storing the crop after sorting, and the like are provided.

  The harvesting section 5 is provided with a pair of left and right lifting conveyor belts 12 and 12 that lift the crop from the field by holding the roots of the crop and holding the root vegetable main body in a suspended state. 12 and 12, a pulling device 11 that raises the leaf part of the root vegetable is arranged on the front side, and the leaf and leaf processing for cutting the leaf part by receiving the root vegetable from the pulling and conveying belts 12 and 12 at the rear part of the pulling and conveying belt 12 A device 13 is provided. In addition, it includes a remaining leaf processing device 14 that receives a root vegetable main body portion that is cut and separated from the stem and leaf portion and removes the leaves remaining on the root vegetable main body portion side.

  As shown in a plan view in FIG. 3, the detailed plan configuration is such that a harvesting device composed of pull-up conveyor belts 12 and 12 is arranged on the left and right sides (left side in the figure) of the aircraft, On the side (right side in the figure), a storage unit 7 for storing a storage bag B for storing harvested crops and a plurality of storage bags B for storing crops in front of the storage unit B are placed along the front-rear direction of the aircraft. Possible placement part 24 is provided.

  The sorting unit 6 will be described. A sorting belt 6b is provided in which the lower part of the foliage processing device 13 is the sorting start end side, the upper part of the storage unit 7 is the conveying end side, and the rear part of the machine body is configured in the left-right direction in plan view. The sorting belt 6b is configured to incline so as to rise from the conveyance start end side toward the conveyance end side, and a part of the middle portion of the conveyance is a substantially flat or gentle inclined portion, and an operator sorts defective crops. The defective crop sorting unit 6p is configured. The defective crop sorting unit 6p is located immediately behind the driver's seat 4s of the control unit 4, and the operator controls the vegetable harvesting machine to remove defective crops from the harvested crops flowing through the sorting belt 6b. It can be sorted and removed by hand.

  6c is a sorting belt stop button, which is arranged between the sorting belt 6b and the driver's seat 4s. For example, when the storage bag B is full of crops, the operator can press the stop button 6c to stop the sorting belt 6b. It is configured as possible.

  With the configuration of the sorting belt 6b as described above, it is possible to easily remove the defective crops with the defective crop sorting unit 6p with one hand while the operator at the cockpit 4s operates the vegetable harvesting machine.

An auxiliary seat 6s on which an auxiliary worker who removes defective crops sits may be provided behind the defective crop selection unit 6p.
As shown in the rear view of the aircraft body in FIG. 4, the fork-like support member 22 that supports the bottom of the storage bag B that stores the crops is contained in the storage unit 7 as the crops stored in the storage bag B increase. And a lifting device 23 for lowering the support member 22. The support member 22 is attached at its rear part to the lifting device 23 so as to be in a cantilever support state.

  The mounting portion 24 is provided with a transport device 24a that contacts the front side of the lifting device 23 and transports the containing bag B received from the support member 22 to the front of the machine body. As shown in the enlarged view of the main part of FIG. 5, this transport device 24a is constituted by a plurality of narrow conveyors etc. avoiding interference with the support member 22, and the support member 22 delivers the containing bag to the transport device 24a. It is configured so as to be lowered to a lower position than the transport operation portion of the transport device 24a. The transport device 24a includes a height sensor 24b that detects the lowering of the support member 22 and is driven to transport by the detection signal. A position sensor 24c is provided at the front end so that the containing bag B stops at the front end. .

  In the vegetable harvesting machine 1 configured as described above, during the harvesting operation, when the operator who performs the sorting operation by the sorting unit 6 places the storage bag B on the support member 22, the harvested crop is put into the storage bag B, and the storage amount increases. As the operation proceeds, the support member 22 is lowered by the weight of the containing bag B. When the storage bag B is full, the support member 22 sinks below the receiving surface of the transport device 24a, and the storage bag B is delivered to the transport device 24a, and the transport device 24a is operated automatically by the height sensor 24b. Transport. The storage bag B is transported from the storage part 7 to the front part of the mounting part 24 that acts on the position sensor 24c in front of the storage part B. Here, the operator can continue the harvesting operation by setting the empty accommodation bag B on the support member 22. Then, when there is no space for placing the storage bag B, the storage bag B is taken out from the placement unit 24 and lowered from the machine body.

  In this case, by securing the space for the plurality of storage bags B in the placement unit 24, even if the storage bag B becomes full, the harvesting operation is continued by moving the storage bag B to the placement unit 24, The full storage bag B can be harvested to an appropriate place such as the end of the field and taken down from the machine body. Further, by configuring the mounting portion 24 within the ground contact range of the crawlers 3 and 3 with the center of gravity of the storage bag B in a full state, it is possible to ensure a weight balance before and after the aircraft necessary for stable running.

  In the present invention, the harvesting operation can be continued by the automatic conveying operation of the conveying device 24a, the front end of the support member 22 is in an open state, and the placing portion 24 is disposed on the front side of the supporting member 22, Even in the case where the transport device 24a is not provided, the operator only needs to pull the storage bag B forward, and the storage bag B can be easily replaced. Moreover, since the side of the traveling vehicle body of the mounting portion 24 is in an open state by disposing the mounting portion 24 on the front side of the lifting device 23, the storage bag B can be easily taken out of the machine. Can be harvested efficiently.

In the vegetable harvesting machine 1 having the above-described configuration, various configurations can be made as follows.
When taking out the full storage bag B from the mounting unit 24 of the vegetable harvesting machine 1, by configuring the operation lever L so that the machine can be operated backward, as shown in the plan view of the machine in FIG. The operator P can hold the storage bag B so that the full storage bag B can be easily taken out from the placement portion 24. Further, as shown in the side view of the configuration example in FIG. 7, the mounting portion 24 is configured such that the front half portion 24 f can be folded halfway, and the conveyor 24 a is fed by the drive switch 24 s, thereby removing the storage bag B. Becomes easy.

  In this case, as shown in the side view of FIG. 8, the rear end portion of the mounting portion 24 is pivotally supported by a support shaft 31 in the vehicle width direction, and a sled-like sliding member 32 is attached to the front end portion to slide. The housing bag B can be taken out to the field scene without difficulty along the gentle inclination of the mounting portion 24 by making the structure easy and by moving the body backward while grounding the sliding member 32 to the field scene. The mounting portion 24 can be configured so that the inclination of the mounting portion 24 is returned to the original by the detection signal by attaching a sensor 24r that detects the discharge of the storage bag B to the front end portion thereof.

  In the vegetable harvesting machine 1 having the above-described configuration, the storage unit 7 pivotally supports the lifting device 23 so as to be pivotable to the retracted position at the rear of the machine body by the support shaft 33, as shown in the plan view of the configuration example of FIG. By configuring the support member 22 so that the horizontal shaft 22x can be flipped up to the storage position inside the machine body, and so that the entire mounting portion 24 can be flipped up to the storage position inside the machine body, The mounting unit 24 can be housed together with the lifting device 23 of the housing unit, so that the airframe can be efficiently stored in a narrow space.

Next, the foliage processing apparatus 13 will be described.
As shown in the enlarged side view of FIG. 10, the foliage treatment device 13 is centered on the foliage transport belts 41, 41 that inherit the crops from the pulling transport belts 12, 12 and transport them to the cutting blades 42, 42. The shoulder alignment belts 43 and 43 are arranged directly below, and the foliage holding belts 44 and 44 are arranged above.

  As shown in the plan view of FIG. 11, the foliage conveyor belts 41 and 41 are bridged between drive pulleys 51 and 51 disposed at the rear end and driven pulleys 52 and 52 disposed at the front end, and idler is provided at the opposite position. 41a and 41a are arranged. The driven pulleys 52 and 52 are configured to change the positions of the support shafts 53 and 53 at least on the outer side of the machine body so that the front and rear ends of the foliage transport belts 41 and 41 can be opened and closed. As shown in the enlarged cross-sectional view of FIG. 12, the driven pulley 52 passes through the support shaft 53 through the frame 54, protrudes downward through the collar 55, and the shaft end is fixed with a nut 56. The frame 54 is formed with a long hole extending over the movement ranges 53a and 53b of the support shaft 53.

  By changing the position of the driven pulleys 52, 52, the foliage transport belts 41, 41 having the above-described configuration can be adjusted to open / close the tip ends of the foliage transport belts 41, 41. Can be changed. In the present embodiment, the position of the driven pulleys 52, 52 is changed by operating the nut 56 from below the foliage processing apparatus 13, and in this case, the foliage transport belts 41, 41 are at a high position and above the positions. Although the work is difficult because the foliage holding belts 44 and 44 are arranged, it can be easily operated from the open space below. Further, in the case of adjusting the opening / closing of only the outside of the machine body, the adjustment work can be performed from the open area on the side of the machine body without being troubled by other attached devices.

  The specific application of the opening / closing adjustment is such that, for example, when the crop leaves to be harvested are short due to frost wilt or the like, the sandwiching start end positions of the foliage transport belts 41 and 41 are on the front side of the machine body. Therefore, since the foliage of the crop can be pinched at a position closer to the pulling conveyance belts 12 and 12, even in the case of a short foliage crop, it can be pinched more quickly and reliably. You can reduce what falls.

  On the other hand, when harvesting crops with normal length leaves, pull the crops up to the upper part of the machine with the lifting conveyor belts 12 and 12 as much as possible, and pinch them with the foliage conveyor belts 41 and 41. Can be cut at the root.

  Further, the foliage conveyor belts 41 and 41 of the foliage treatment apparatus 13 can change and adjust the opening and closing of the front end portion by changing the driven pulleys 52 and 52 to those having a large diameter. In addition, as shown in FIG. 13, a belt 57 having a predetermined cross-sectional shape is used for opening and closing adjustment, and the outer diameter of the belt 57 wound by separately using both the inner side 57a and the outer side 57b is changed. Thus, opening and closing can be adjusted.

  The shoulder aligning belts 43 and 43 are configured such that the action part can be opened and closed, and by closing the gap between the opposing belts, the shoulder alignment belts 43 and 43 can be prevented from falling when digging up the carrot. For example, the shoulder alignment belts 43 and 43 have front and rear pulleys 61 and 62 facing each other along a feed line toward the cutting blades 42 and 42 as shown in FIGS. A belt pressing plate 63 for feeding the belt is integrally formed and fixed to the frame 54 so that the position can be adjusted inward, and a belt tension is secured by the tensioner 64.

  Further, as shown in the side view of FIG. 16, the shoulder aligning belts 43, 43 are provided with upper belts 65, 65 extending in close proximity to the cutting blades 42, 42 so as to sandwich the leaves in parallel with the upper side thereof. Since the amount of shoulder alignment is reduced, adaptability to carrots can be improved. The upper belts 65 and 65 are configured to be detachable so that the shoulder alignment amount can be switched as necessary. Further, as shown in the plan view of FIG. A tensioner 68 is provided so that the position of 66 can be switched, the pulley 66a is moved to the forward position, the tensioner 68a is actuated, and the leaf is clamped to the pulley 67 closest to the cutting blades 42, 42, thereby adjusting the shoulder alignment amount. Can be switched.

It is a left view of the vegetable harvester of a vegetable harvester. It is a right view of the vegetable harvester of a vegetable harvester. It is a top view of a vegetable harvester. It is a rear view of a vegetable harvesting machine. It is a principal part enlarged view of a conveying apparatus. It is a top view of the body during reverse operation. FIG. 6 is a side view of the machine body with the mounting portion being in a folded configuration. It is a side view of the machine body made into the mounting part structure of another example. It is a top view of the example of composition of a vegetable harvester. It is an enlarged side view of a foliage processing apparatus. It is a top view of a foliage conveyance belt. It is sectional drawing of the belt for opening and closing adjustment. It is a belt cross-sectional shape for opening and closing adjustment. It is a top view of a shoulder alignment belt. It is a side view of a shoulder alignment belt. It is a side view of the shoulder alignment belt which has a parallel belt. It is a top view of a parallel belt. It is.

Explanation of symbols

1 Vegetable harvester 5 Harvesting department (harvesting equipment)
7 accommodating portion 22 support member 23 lifting device 24 placing portion 24a conveyor (conveying device)
24b height sensor 24c position sensor 24s driving switch 31 pivot 32 sliding member 33 supporting shaft

Claims (2)

A harvesting device (5) for harvesting crops is provided on the left and right sides of the traveling vehicle body, and a storage section (7) for accommodating harvested crops is provided on the left and right other sides of the traveling vehicle body, so that the harvested crops are selected at the rear of the traveling vehicle body. sorting unit for the work (6) provided in the horizontal direction of the machine body,該選specific portion backward to the auxiliary operator sits auxiliary seat (6) (6s) is provided, the crop accommodated in the accommodation section (7) A placement unit (24) for placement is provided, and a transport device (24a) for transporting crops placed on the placement unit (24) to the front of the machine body is provided , and is raised and lowered to the rear side of the placement unit (24). A support member (22) that is provided with a device (23) and descends as the number of mounted crops increases is provided in a cantilever support state on the lifting device (23), and the support member (22) is provided on the transport device (24a). It is configured to descend to a position below the conveying action unit, and the crop on the support member (22) Toppers, characterized in that the transfer can be configured to feed device (24a). The transport device (24a) is configured to start driving for transport when it is detected that the support member (22) is lowered to a position below the receiving surface. The vegetable harvesting machine according to 1.