JPH0947123A - Harvester for agricultural product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the housing efficiency of a container. SOLUTION: This harvester for agricultural products is obtained by installing a step 28 for carrying out grading operations provided in a lateral part of a digging conveyor apparatus 10 and a container carrying platform 70 having holders 73 and 74 for carrying a container containing the agricultural products packed therein in a lateral part of a machine body 2 which is located near a working chair 29. Thereby, an empty container can be placed on the side of the holder 74 and piled up on filled containers on the holder 73 even during the movement of the machine body 2 when the holder 74 is rotated and overhung from the holder 73. If the holder 74 overhung from the holder 73 obstructs the way during the travel, etc., the holder 74 can be folded to the side of the holder 73. Since the containers can be placed on the folded holders 73 and 74, the housing efficiency of the container can be raised.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural product harvester in which root vegetables such as sweet potatoes, potatoes, konjac potatoes are harvested and selected from a field and stored in a container. The present invention relates to an agricultural product harvester provided with a container mounting table having a foldable holder for mounting a container for stuffing.

[0002]

2. Description of the Related Art Conventionally, as an agricultural product harvester that collects root vegetables such as sweet potatoes, potatoes and konjac potatoes from the field, sorts them, and stores them, an inclined conveyor section that is inclined from the lower front of the self-propelled machine to the upper center of the machine. A conveyer device that conveys agricultural products in the field dug by and can perform a sorting operation by a sorting and conveying unit that is horizontally provided on the rear side is provided on the side of the machine, which is the side of this conveyor device. The applicant of the present invention has proposed an agricultural product harvester in which a container placed on a holder of a container placing table is filled with agricultural products.

[0003]

By the way, at the working position provided on the side of the machine in the above-mentioned agricultural product harvesting machine, vines, foliage, large soil blocks, stones, etc. other than potatoes are transferred from the agricultural products conveyed by the inclined conveying section. Pre-treatment work such as removal and separation of the Imoto connection stem is performed, and it is also possible to stuff agricultural products into the container placed on the holder of the container placing table provided on the side of the aircraft. .

However, when the agricultural products packed in the container become full, the container on the holder of the container mounting table is reloaded to an empty container, or the empty container is stacked on the full container. Must be,
Although it was necessary to prepare an empty container, it was not possible to make room for the empty container around the fuselage, and the container storage efficiency was reduced.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide an agricultural product harvesting machine capable of improving container storage efficiency.

[0006]

[Means for Solving the Problems] In order to achieve the above-mentioned object, the agricultural product harvesting machine of the present invention collects agricultural products from a field dug from the lower front of the self-propelled airframe to the rear of the airframe through the upper center of the airframe. A digging conveyor device for transporting is provided, and a step and a working chair for workers for performing a sorting work are provided on the side of the digging conveyor device, and the self-propelled device is located near the working steps and working chair. A container placing table having a first holder and a second holder for placing the container in which the agricultural product is packed is provided on a side of the machine body, and the container holder is provided with the first holder and the second holder. Is characterized by being foldable.

[0007]

In the agricultural product harvesting machine of the present invention, agricultural products are packed on the side of the self-propelled machine near the step and the working chair for the worker, which is provided on the side of the digging conveyor device. Since the container mounting table having the first holder and the second holder for mounting the container is provided, when the second holder is rotated to project from the second holder, An empty container can be placed on the holder side and the empty container can be stacked on the full container on the holder even when the self-propelled aircraft is moving.

When the second holder protruding from the first holder becomes an obstacle during traveling, the second holder can be folded to the first holder side, and the folded first holder can be folded. It is also possible to place the container on the second holder.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show a potato harvester according to an embodiment of an agricultural product harvester of the present invention.

As shown in these figures, the potato harvester 1
The aircraft 2 is equipped with a crawler 3 that is paired with left and right and is capable of spinning (supertrust) turning. The driving force to the crawlers 3 is transmitted from the engine 4 mounted on the front side of the one side of the machine body 2 through the transmission 5 provided between the crawlers 3 at the lower position near the rear part of the machine body 2. ing.

A digging conveyor device 10 for digging agricultural products in the field is provided from the lower front part of the machine body 2 between the crawlers 3 to the upper part of the machine body to the rear part of the machine body, and the conveyor device 10 is also driven as described above. It is provided by the driving force of the engine 4.

The excavation conveyer device 10 comprises an excavation blade 11 inclining forward and an endless link rod, and descends at a predetermined angle toward a slanted conveyor 12 having slats at predetermined intervals and the end. The sorting / conveying unit 13 thus arranged is supported by the pair of left and right side frames 6 of the machine body 2.

Further, the excavation conveyor device 10 is vertically rotatable about a rotation shaft (rotation fulcrum) (not shown) at the rear end thereof, and is provided between the machine body 2 and the side frame 6. It can be adjusted up and down by expanding and contracting a hydraulic cylinder (not shown).

Here, the transmission 5 that receives power from the engine 4 and shifts gears is equipped with a hydraulic continuously variable transmission (HST) (not shown) that performs a continuously variable shift, and is not combined with a shift gear. In addition to outputting gears in steps / steps, connecting / disconnecting power transmission via a side clutch and a differential device allows the crawler 3 to run steplessly / steplessly, and spin turning (super-field turning) I am doing it.

Further, the transmission power is transmitted from the transmission 5 to the excavation conveyor device 10, and the traveling speed of the conveyor can be adjusted continuously and stepwise. By combining with the stepless or stepped traveling of No. 3, the mining work speed can be freely set.

A first operating portion 20 and a second operating portion 21 are provided on both sides of the airframe 2 behind the engine 4, and the first operating portion 20 and the second operating portion 21 are further provided.
A step 24 is provided behind. In step 24, the base is connected to a support arm 25 rotatably attached to the lower portion of the machine body 2, and the support arm 25
By rotating the base of the step 24, the step 24 can be tilted to a substantially horizontal state or folded to the side of the machine body 2.

Then, step 2 in which it is tilted to a substantially horizontal state
By riding on No. 4, the first operation unit 20 and the second operation unit 20
The operation unit 21 can be operated to operate the machine body and drive the unit, and the sorting and conveying unit 13 can perform sorting work.

At the rear of the machine body 2, a work chair 31 having a seat fitting 32 forming a backrest portion by a rotation support mechanism 30 is rotatably arranged so as to come into contact with and separate from the machine body 2. Further, the work chair 31 can be appropriately set in a fixed position in accordance with the system of the operator by adjustment with a fine adjustment bolt (not shown). When the work chair 31 is not used, the rotation support mechanism 30 is used. The work chair 31 can be removed from above the step 24 by releasing the fixation of the work chair 31 according to (4), and the user can get on and off from the step 24 without being disturbed by the work chair 31.

A step 28 and a work chair 29 are also provided on the side of the machine body 2 on the side opposite to the engine 4, and at this work position, the harvested products carried by the tilted carrying unit 12 other than potatoes are removed. Vines, foliage, large soil blocks,
Pretreatment work such as removal of stones and separation of Imoto connection stem is performed. The steps 28 and the work chair 29 may be fixed to or detached from the side of the machine body 2.

On the bracket 41 projecting forward from the left and right side frames 6 of the above-mentioned digging conveyor device 10, there is provided a ridge following device 40 for following the movement of the machine body 2 along the length direction of the ridge to be harvested. Has been. The pair of wheels 42 of the ridge-following device 40 rolls on both inclined shoulders of the ridge to be harvested, and can be vertically adjusted by the vertical adjustment mechanism 43 and can be horizontally adjusted by the slide mechanism 44. It is said that.

Further, behind the machine body 2, there is provided a container mounting table 50 on which one container (not shown) is mounted. The container mounting table 50 is provided with a support arm 52 connected to the air cylinder 51 and a holder 53 supported by the support arm 52. The holder 53 is folded toward the machine body 2 by driving the air cylinder 51,
It is designed to project from the body 2 to the outside.

When the holder 53 of the container mounting table 50 is used by protruding from the machine body 2 to the outside, the air cylinder 51 contracts and automatically tilts depending on the weight of the object to be accommodated in the container. When the weight is small, the container approaches the side of the sorting and conveying unit 13 and gradually increases as the weight increases.
It is separated from the side to reduce damage to the stuff.

Further, container mounting bases 60 and 70 are also provided on the front side of the machine body 2, both of which are holders attached to the support arms 62 and 72 by the drive of an air cylinder (not shown) in the same manner as above. 63 and 73 are folded to the side of the machine body 2 or projected outward from the machine body 2.

Further, on the container mounting table 70 side,
When the holder 74 is rotatably attached to the holder 73 via hinge members 76 and 77 which are swingable around a shaft 75 as a fulcrum, and the holder 74 is rotated from the holder 73 and overhangs. , An empty container can be placed on the holder 74 side, and even if the machine body 2 is moving,
Empty containers can be stacked on top of the full container on holder 73 without getting on and off from step 28. Further, when the holder 74 protruding from the holder 73 becomes an obstacle during traveling, folding the holder 74 to the holder 73 side not only prevents the traveling obstruction but also prevents the container from being placed on the folded holder 73. Can be placed.

Then, these container mounting tables 60, 7
Even if it is zero, it is automatically tilted by the weight of the container inside, as described above.

On the outer surface (side plate) of each of the first operating portion 20 and the second operating portion 21, a container locking hook 22 is fitted and locked in a handle hole of an empty container.
Is provided, and a contact member 23 made of an elastic body (for example, a rubber plate or a synthetic resin plate) is provided below the container locking hook 22.

Then, the hook 22 for locking the empty container is fitted and locked in the handle hole of the container, and the lower end of the container is brought into contact with the contact member 23, so that the spare container can be extended in the left-right direction. Can be locked. It is also possible to prepare a total of two spare containers by putting another empty spare container in the vertical position in this locked empty container.

A hollow is provided below the sorting / transporting unit 13 so that soil, contaminants, etc. adhering to the harvested products on the sorting / transporting unit 13 can drop directly into the field from the void. . A gate-shaped grip 26 is provided at a position above the step 24 behind the sorting / transporting unit 13, and the operator's body is located behind the sorting / transporting unit 13 between the grips 26. A protector 27 is provided to prevent it from falling to the side.

On one side of the protector 27,
When the operator is caught in the sorting and conveying unit 13,
A stop switch (not shown) for stopping the driving of the conveyor device 10 is provided.

As described above, the step 28 and the work chair 29 for the worker are provided on the side of the machine body 2 on the side opposite to the engine 4, and the work chair 29 is tilted while sitting on the work chair 29. From the harvested products transported by the transport unit 12, mainly vines and foliage other than potatoes, large soil blocks, stones, etc. are removed, or the harvested products that are dug up by the digging blade 9 and are grouped together are transported. It is possible to perform pretreatment work such as separating the stalk from the stalk.
The working chair 29 may be detachably provided.

Next, the operation of the above-described harvester 1 will be described. First, when harvesting root vegetables such as sweet potato, potato, konjac potato, and ginseng from the field by the potato harvester 1, the fixed position of the work chair 31 on step 24 is adjusted.

In this case, as described above, the fixing position according to the system of the operator is set by the adjustment by the fine adjustment bolt (not shown). When the work chair 31 is not used, the work chair 31 is removed from the step 24 by releasing the fixation of the work chair 31 by the rotation support mechanism 30.

When the holder 74 is used on the container mounting table 70 side, the holder 73 to the holder 7 are used.
4 is rotated and an empty container is placed on these holders 73 and 74. On the other hand, when traveling, the holder 7
When the holder 74 protruding from 3 is an obstacle, the holder 74 is folded to the holder 73 side, and an empty container is placed on the folded holder 73.

When the root crops such as sweet potato, potato, konjac potato, and ginseng are harvested from the field by the potato harvester 1, the wheels 42 of the ridge-following device 40 are attached to both inclined shoulders of the ridge to be harvested. Transferring and excavating conveyor device 10
When the excavating blade 11 is vertically moved by a hydraulic cylinder to adjust the excavation depth and the harvested product is excavated by the excavation blade 11 as the machine body 2 advances, soil is attached to the excavated harvested product. In this state, the slanted transport unit 12 transports the slanted upper portion of the machine body 2.

During this transportation, soil falls from between the link rods, and harvested vines, foliage, large soil blocks, stones, etc. other than potatoes are harvested from the harvested products transported on the inclined transport section 12 by the worker sitting on the work chair 29. When the pretreatment work such as mainly removing the stalk and the connected stems is performed from the harvested products that are removed or are collectively coupled and transported, the harvested products are sorted and transported in the container 13 in a state that they are easily packed in containers. Brought to the side.

At the same time as performing such a pretreatment operation, it is possible to perform an operation of packing only the potatoes in the harvested product into the container on the holder 73 of the container placing table 70. In addition, when the harvest in the container on the holder 73 is full, the holder 63 of the adjacent container mounting table 60 is
The container on the holder 73 is moved to the upper position, or the empty container placed on the holder 74 rotated from the holder 73 is piled up on the container on the holder 73 to continue the packing operation of the harvested products. be able to.

At this time, since the container mounting table 70 is provided with an air cylinder (not shown), the container is approaching the side of the inclined transfer unit 12 at the beginning when the weight of the container is small and the weight thereof is small. Becomes gradually separated from the inclined transporting unit 12 as the size becomes larger, and the damage to the food is reduced and the product is accommodated.

Then, only the potatoes in the harvested products transported to the sorting and transporting unit 13 side are sorted by step 24 or by sitting on the work chair 31. A sorting operation is performed and the container is placed in the container placed on the container placing table 50. At this time, when the worker sits down on the work chair 31 to perform the packing work of the agricultural products, the work chair 31 is stabilized by stiffening the legs in the sitting posture, and the packing work can be performed in a comfortable posture.

Further, since the sorting / conveying unit 13 is inclined downward to the rear, the operation range of the operator's hand / arm is substantially equal to that of the sorting / conveying unit 13, so that the sorting work is easy and the fatigue is reduced. .

Further, since the container mounting table 50 is provided with the air cylinder 51, the container is approaching the sorting / conveying unit 13 at the beginning when the weight of the container is small, and as the weight thereof increases. It gradually moves away from the sorting / conveying unit 13 and is housed with less damage to the potatoes.

When the potatoes in the container on the container mounting table 50 are full, the harvesting operation is temporarily stopped and the spare container supported by the container locking hook 22 is replaced. Resuming harvesting work. Not only can the operator who gets on step 24 during such sorting work grasp the grip portion 26, but also the protector 2
It is possible to prevent the conveyor device 10 from being driven to the side of the sorting and conveying unit 13 by 7 and to stop the driving of the conveyor device 10 by a stop switch (not shown).

Further, the excavation conveyor device 10 is capable of continuously and stepwise variable speed adjustment of its moving speed, and
Since it can move up and down with respect to the machine body 2, by selecting an appropriate moving speed and digging depth according to the field condition and the crop condition, a highly accurate and efficient harvesting work can be performed.

As described above, in the present embodiment, the container is mounted on the side of the machine body 2 near the step 28 and the work chair 29 provided on the side of the digging conveyor device 10 for performing the sorting work. Foldable holders 73, 74 to be placed
Since the container mounting table 70 having the
When the holder 74 is swung out of the holder 74, an empty container can be placed on the holder 74 side, and even if the machine body 2 is moving, the empty container is full on the holder 73. Can be stacked on top of the container, and the holder 74 protruding from the holder 73 during traveling.
When it is an obstacle, the holder 74 can be folded to the holder 73 side, and the folded holders 73 and 74 can be folded.
Since the container can be placed on the top, the storage efficiency of the container is improved.

Further, in the present embodiment, the working chair 31 provided at the rear of the digging conveyor device 10 is rotatable so as to come into contact with and separate from the machine body 2, and the working chair 3
When 1 is used, the rotation support mechanism 30 prevents the work chair 31 from rotating in the direction away from the machine body 2. Therefore, by sitting on the work chair 31 and stretching the legs, it is stable. Can take a sitting posture.

Further, when the work chair 31 is not used, the rotation support mechanism 30 allows the work chair 31 to freely rotate in the direction away from the machine body 2. Therefore, the work chair 31 is separated from the machine body 2. By rotating the work chair 31 in the direction, the work chair 31 can be removed from the position above the step 24, and the user can get on and off the step without being disturbed by the work chair 31.

Furthermore, since the first operation part 20 and the second operation part 21 are provided on both sides of the machine body 2 and the step 24 is provided below the rear part of the machine body 2, even one operator can operate the machine body and harvest the machine body. It is possible to carry out the work of sorting the products and the work of housing the sorted harvested containers, and it is possible to perform the multifunctional work even though it is a small harvester.

Further, since the crawler 3 travels continuously and steplessly while changing the speed, and also enables spin turning (super-texture turning), the machine body 2 spins stably on a headland or the like. It is possible to move to the next harvest ridge with one turn, and it is possible to turn to the right or left in a well-balanced manner, so that the crawler 3 does not pull the soil in the field greatly.

Further, in front of the digging conveyor device 10, there is provided a ridge tracking device 40 for following the movement of the machine body along the length direction of the ridge to be harvested, and a pair of ridges to be rolled and contacted with the inclined shoulders of the ridge to be harvested. Since the wheels 42 are provided so as to face each other so as to be vertically adjustable and horizontally adjustable with respect to the digging conveyor device 10, both wheels 42 accurately follow the ridge to be harvested to automatically steer the machine body. Automatic digging and conveyance by the digging conveyor device 10 are performed. Therefore, the operator can devote most of the time to the sorting work, except for the machine steering operation at the ridge end of the ridge to be harvested. In addition, when the headland is turned at the end of the field, the excavation conveyor device 10 is rotated by a hydraulic cylinder (rotation fulcrum).
By rotating the crawler 3 up and down and raising all of them, the crawler 3 can spin with a small turning radius as well as spin.

[0049]

As described above, according to the agricultural product harvesting machine of the present invention, the self-propelled machine body which is provided in the vicinity of the worker's step and the working chair for performing the sorting work provided on the side of the digging conveyor device. Since the container placing table having the first holder and the second holder for placing the container in which the agricultural products are packed is provided on the side of the
When the holder is rotated and overhanged, an empty container can be placed on the second holder side, and the empty container can be placed on the holder even when the self-propelled aircraft is moving. It can be stacked on a full container and the second holder can be folded to the first holder side if the second holder protruding from the first holder gets in the way while traveling. Since the container can be placed on the folded first holder and second holder, the container storage efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a potato harvester according to an embodiment of an agricultural product harvester of the present invention.

2 is a plan view showing the potato harvester of FIG. 1. FIG.

3 is a side view showing the potato harvester of FIG. 1. FIG.

4 is a rear view showing the potato harvester of FIG. 1. FIG.

5 is a rear view showing the potato harvester of FIG. 1. FIG.

[Explanation of Codes] 1 potato harvester 2 machine body (monocoque frame) 3 crawler 4 engine 5 transmission 10 digging conveyor device 20 first operation unit 21 second operation unit 24 step 30 rotation support mechanism 31 work chair 33 Frame 34 Flange 35a Fine adjustment bolt after adjustment 36 Plate holding part 37 Grip 38 Stopper plate 40 Ridge tracking device 50, 60, 70 Container mounting table 73, 74 Holder 76, 77 Hinge member

Claims (1)

[Claims] 1. A digging conveyor device for transporting agricultural products in a field that has been dug is provided from the lower front side of the self-propelled aircraft to the rear part of the fleet through the upper part of the wing center, and a sorting operation is provided on the side of the digging conveyor device. A step for a worker and a work chair for performing are provided, and a first container for placing the container in which the agricultural product is packed is placed on the side of the self-propelled machine near the step and the work chair for the worker. An agricultural product harvester comprising a container mounting table having a holder and a second holder, wherein the first holder and the second holder are foldable.