JP3436587B2 - Agricultural harvester - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is applicable to, for example, sweet potato, potato,
The present invention relates to an agricultural product harvesting machine in which root vegetables such as konjac potato are harvested from a field, selected, and stored in a container.

[0002]

2. Description of the Related Art Conventionally, as a crop harvester that collects root vegetables such as sweet potatoes, potatoes, konjac potatoes from the field, selects and stores them, a self-propelled machine is used to collect agricultural products vegetated in the field. A harvesting conveyor for harvesting and carrying, a sorting conveyor for sorting the harvested products transported by the harvesting conveyor, a container loading platform for accommodating and mounting the harvested products sorted by the sorting conveyor in a container, and an empty container. It has been proposed to provide a spare container mounting table for mounting a (spare) container.

[0003]

The above-mentioned conventional auxiliary container mounting table of the agricultural product harvesting machine is fixed to the mounting table so as to project laterally from the machine body, or the mounting table is arranged at the use position and the machine body side. It was displaceable to the storage position or detachable from the machine body, and in any case, a considerably exaggerated constituent member was required. In addition, there is a problem that it is an obstacle when moving or storing the machine body, and further, the weight of the machine body is increased. The present invention is intended to solve the above problems.

[0004]

Means for Solving the Problems The present invention to achieve the above object, (1) harvesting machine body 2 of the harvester, toward aft body from the lower front fuselage through the fuselage center section, the field of agricultural products the harvesting conveyor device 6 for transporting provided, on the harvesting conveyor device 6 near the body side plate 8 is provided with a container engaging hooks 22 for locking fitted into handle holes of empty containers,該Ko
On the side plate 8 of the fuselage below the hook 22 for locking the antenna,
An abutting member 23 made of an elastic body that abuts the lower part of the tenor is provided.
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(2) Each of the container locking hooks 22 is characterized in that it has an attachment surface to the machine body side plate 8 that receives the load of an empty container.

[0006]

With the above construction, the agricultural product harvester of the present invention is
It has the following effects. ． In the machine body 2 of the harvester, from the lower part of the machine body to the rear part of the machine body through the center part of the machine body, a harvesting conveyor device 6 for harvesting and transporting agricultural products in the field is provided, and on the machine side plate 8 near the harvesting conveyor device 6, By providing the container locking hook 22 that fits and locks in the handle hole of the empty container, the empty container is accommodated without providing a large spare container mounting base. Also, the container locking flap
The lower side of the empty container to the lower side of the fuselage side plate 8
The Rukoto the contact member 23 made of an elastic body in contact provided, increases the support strength of empty containers, supporting and stable containers.

[0007]. The container locking hook 22 has an attachment surface to the machine body side plate 8 that receives the load of an empty container, so that the strength of the container locking hook 22 is increased and the durability is increased.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 1 to 5, reference numeral 1 denotes a potato harvester, and the potato harvester 1 has a left-right pair on a body 2 (a monocoque frame shown in FIG. 6) to enable spin (supertrust) turning. Equipped with crawler 3,3. An engine 4 is mounted on a slightly front side of the machine body 2, and a hydraulic device driven by the engine 4 is provided near the engine 4. A transmission 5 is provided between the crawlers 3 and 3 at a lower position near the rear of the machine body 2. Further, the agricultural product in the field is excavated from the lower front part of the machine body 2 between the crawlers 3 and 3 to the rear part of the machine body, and is conveyed backward, and the excavation conveyor device is inclined so that the leading end side descends. 6 is provided. Engine 4
A first operation unit 7 and a second operation unit 7a are provided on both sides of the rear machine body 2.

The excavation conveyor device 6 is supported by a pair of left and right side frames (frames) 8, is provided with a excavation blade 9 at the tip thereof, and is made of an endless link rod so as to be continuous with the excavation blade 9. A series of slanted conveyance units 10 having slats at predetermined intervals and a selection conveyance unit 11 that conveys them so as to slightly descend toward the end are provided. Further, the excavation conveyor device 6 is vertically rotatable about a rotation shaft (rotation fulcrum) (not shown) at the rear end thereof, and an expansion / contraction operation of a hydraulic cylinder (not shown) provided between the machine body 2 and the side frame 8 is performed. It is possible to adjust up and down. Being located behind the digging conveyor device 6, the first operation unit 7 and the second operation unit 7a are operated to perform the machine body operation and the drive unit operation, and the selection conveyance unit 11 performs the selection work. A worker step 12 is provided for the worker to get on. The step 12 is supported by the support arm 12a and can be displaced between a substantially horizontal use position and a storage position folded toward the machine body by rotating the base of the support arm 12a. Alternatively, only step 12 may be rotated between the use position and the storage position.

The transmission 5 that receives power from the engine 4 to change gears is equipped with a hydraulic continuously variable transmission (HST) (not shown) for continuously changing gears. It is possible to change the speed of the crawler 3 and 3 by continuously connecting and disconnecting the power transmission via the side clutch and the differential device to make the crawlers 3 and 3 change speed continuously and steplessly, and also possible to make a spin turn (super-field turn). I have to. Further, the transmission power is transmitted from the transmission 5 to the excavation conveyor device 6, and the moving speed of the conveyor can be adjusted continuously and steplessly. By combining with stepped traveling, the mining work speed can be set freely.

Left and right side frames 8, 8 of the digging conveyor device 6
A ridge-following device 14 is provided on the bracket 13 protruding forward from the ridge-following device along with the movement of the machine body along the length direction of the ridge to be harvested. The ridge-following device 14 includes a pair of wheels 15 and 15 that roll on both inclined shoulders of the ridge to be harvested.
Are provided opposite to each other, and both wheels 15 can be vertically adjusted with respect to the excavation conveyor device 6 by an up / down adjusting mechanism 16.
Moreover, it is supported by the slide mechanisms 17, 17 so that the left and right movements can be adjusted. Further, the pair of wheels 15 and 15 have a camber angle and rotate in contact with both inclined shoulders of the ridge to be harvested so that the machine body can be steered and moved following the ridge to be harvested. .

A pair of left and right container mounting bases 18 are provided on both sides of the machine body 2 behind the operating devices 7 and 7a. The container mounting table 18 has a supporting arm 19 and a holder 20 on which one container is mounted, respectively, and the supporting arm 19 is rotatable relative to the machine body 2 in the left-right direction via an air cylinder 21. Supported, holder 2
0 can be folded toward the machine body 2 side with respect to the support arm 19 and can project outward from the machine body 2, and the holder 20 itself can be rotated in the front-rear direction to place the container in the horizontal posture and the vertical posture. Has become. And the container mounting table 18
Can be moved between a use position in which the container is placed while protruding outward from the machine body 2 and a storage position in which the container is folded to the machine body 2 side, and when it is in the use position, it is desired to be stored in the container. The weight of the air cylinder 21 causes the air cylinder 21 to automatically tilt, and when the weight is small, the container approaches the sorting / transporting unit 11, and gradually moves away from the sorting / transporting unit 11 as the weight increases.
I try to reduce scratches on things.

The outer surface (side plate) of each of the first operating portion 7 and the second operating portion 7a has a mounting surface to be attached to a body side plate, which is fitted and locked in a handle hole of an empty container. The container locking hook 22 that is provided and a contact member 23 that is made of an elastic body (for example, a rubber plate or a synthetic resin plate) are provided below the hook 22. Then, the handle hole of the container is fitted and locked to the empty container locking hook 22, and the lower end portion of the container is contacted with the contact member 23 so that the spare container is locked in a long state in the left-right direction. I have to. In addition, one empty spare container can be placed in the vertical position in this locked empty container to prepare two spare containers in total.

Nothing is provided below the sorting / transporting unit 11 so that soil, foreign substances, etc. can be directly dropped from the sorting / transporting unit 11 to the field, and behind the sorting / transporting unit 11 above the step 12. A pair of left and right grips 24, 24 are provided on the rear side of the sorting / conveying unit 11 between the grips 24, 24. The rear cover 25 prevents the body of the operator from falling toward the sorting / conveying unit 11 side. Is provided. When a worker is caught by the sorting and conveying unit 11 on one side of the rear cover 25, the inclined conveying unit 10 and the sorting and conveying unit 1
A transport unit stop switch 26 that stops the driving of the first transport unit 1 is provided. A resilient soil adhesion preventing plate 27 such as a rubber plate is hung below the transport end of the sorting / transporting unit 11. A protector 28 shown in FIG. 4 may be provided above the rear cover 25.

On the side of the machine body 2 on the side opposite to the engine 4, vines, foliage, large soil blocks, stones and the like other than potatoes are removed from the harvested products conveyed by the inclined conveyance section 10, and the digging blade 9 is used. An intermediate sorter seat 29 is provided on which an operator who mainly performs a pretreatment work such as separating the stalk and the connected stems from the harvested products that are dug up, and are collectively connected and conveyed. At the front and rear of the seat 29 for the intermediate sorter and at the front side position of the engine 4, spare container mounting bases for mounting spare containers are provided (not shown). The intermediate sorter seat 29, the spare container mounting table, and the like may be detachable.

Next, the operation of the potatoes harvesting machine 1 of the embodiment constructed as described above will be explained. Potato harvester 1
For example, when root crops such as sweet potato, potato, konjac potato, and ginseng are harvested from the field, the wheels 15 and 15 of the ridge-following device 14 are transferred to the sloped shoulders of the ridge to be harvested, and the digging is performed. The excavation blade 9 of the take-up conveyor device 6 is vertically moved by a hydraulic cylinder to adjust the excavation depth, and the harvested product is excavated by the excavation blade 9 by the forward movement of the machine body. Lift it diagonally upward while transporting. During this transportation, soil falls from between the link rods, and from the harvested products transported on the inclined transport unit 10 by the operator sitting on the intermediate sorter seat 29, vines, foliage, large soil blocks, stones, etc. other than potatoes. Is removed, and the pre-treatment work such as mainly separating the stalk and the connected stems from the harvested products which are connected and conveyed in a collective manner is carried to the sorting and conveying section 11.

Only the potatoes in the harvested products moving on the sorting / transporting unit 11 are manually sorted by the worker on the worker's step 12 and stored in the containers placed on the container placing tables 18, 18. To do. Since the container mounting table 18 is provided with the air cylinder 21, the container is approaching the sorting and conveying unit 11 at the beginning when the weight of the container is small, and the sorting and conveying unit 11 gradually increases as the weight increases. It will move away from the house and will be housed with less damage to the food. If the potatoes in the container are full,
The harvesting operation is temporarily suspended, and the harvesting operation is restarted by replacing the spare container supported by the container locking hook 22 with the spare container. The worker who has stepped on the worker step 12 during such a sorting operation has a pair of left and right grips 2
4, 24 and the rear cover 25 are provided, so that the maneuvering and sorting work can be performed safely, and when the sorting and transporting unit 11 is caught by a hand, the transporting unit stop switch 26 is used to move the inclined transporting unit 10 and the sorting unit. The driving of the transport unit 11 is stopped. Further, the soil adhesion prevention plate 27 prevents the soil or the like falling from the sorting and conveying unit 11 from being applied to the operator.

Here, the potato harvester 1 comprises a crawler 3,
Between the lower part of the machine body, the upper part of the machine body through the upper part of the machine body to the rear part of the machine body, the digging conveyor device 6 is provided, and the worker step 12 is provided behind the digging conveyor device 6, so that one operator can It is possible to control the machine body by the control devices 7 and 7a and perform the sorting work in the sorting and transporting section 11, so that the harvester can be miniaturized to the minimum. Further, since the digging conveyor device 6 is capable of continuously and stepwisely changing its speed and is movable up and down with respect to the machine body 2, the digging conveyor device 6 has an appropriate moving speed and digging according to field conditions and crop conditions. By selecting the harvesting depth, highly accurate and efficient harvesting work can be performed.

Further, control devices 7, 7a are provided on both sides of the body 2.
On the left and right sides of the machine,
Since each step 12 for workers is provided at the lower rear part of the machine body, one operator can perform the machine operation, the work of sorting the harvested products, and the work of accommodating the sorted harvested containers in a small harvester. Can perform multi-functional work. Furthermore, the crawlers 3 and 3 are continuously and steplessly changed in speed and travel, and the spin turn (super-texture turn) is enabled, so that 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 with good balance in either the left or right direction. Therefore, the crawlers 3 and 3 do not greatly scrape the soil in the field.

In front of the digging conveyor device 6, there is provided a ridge follower device 14 which follows the length of the ridge to be harvested along with the movement of the machine body, and a pair of ridges to be rolled to contact both inclined shoulders of the ridge to be harvested. Since the wheels 15 are provided so as to face each other so as to be vertically adjustable and horizontally adjustable with respect to the digging conveyor device 6, both wheels 15 accurately follow the ridges to be harvested to automatically steer the machine body. , Digging conveyor device 6
Automatic digging and transportation is performed by. 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. When the headland is swung at the end of the field, the excavation conveyor device 6 is rotated up and down about the rotation axis (rotation fulcrum) by the hydraulic cylinder to raise all the crawlers 3, 3.
It can be turned with a small turning radius along with the spin turn of.

[0021]

As described above, according to the agricultural product harvesting machine of the present invention, the following effects can be obtained. ． In the machine body 2 of the harvester, from the lower part of the machine body to the rear part of the machine body through the center part of the machine body, a harvesting conveyor device 6 for harvesting and transporting agricultural products in the field is provided, and on the machine side plate 8 near the harvesting conveyor device 6, Since the container locking hook 22 that fits and locks in the handle hole of an empty container is provided, an empty container can be easily and easily accommodated without the need for an oversized spare container mounting table as in the past. can do. In addition, the machine below the container locking hook 22
On the body side plate 8, from the elastic body that abuts the lower part of the empty container
Since the pad member 23 is provided, the strength of supporting an empty container can be increased.
The container can be supported in a stable manner.
You can

.. Since the container locking hook 22 has a mounting surface to the machine body side plate 8 that receives the load of an empty container, the strength of the container locking hook is increased while the structure is simple, and the durability can be increased. .

[Brief description of drawings]

FIG. 1 is a left side view of the entire agricultural product harvester according to the present invention.

FIG. 2 is a right side view of the same.

FIG. 3 is a rear view of the container mounting table in a stored state.

FIG. 4 is a rear view of the container placing table in a used state.

FIG. 5 is a perspective view of the entire agricultural product harvester according to the present invention.

FIG. 6 is a perspective view of a monocoque frame (machine body).

[Explanation of symbols]

1 potato harvester 2 aircraft (monocoque frame) 3 crawlers 4 engine 5 transmission 6 excavation conveyor device 7 1st operation part 7a 2nd operation part 8 side frames 9 digging blade 10 Inclined transport section 11 Sorting and transporting section 12 Step for worker 12a Support arm 13 bracket 14 Ridge tracking device 15 wheels 16 Vertical adjustment mechanism 17 Slide mechanism 18 container mounting table 19 Support arm 20 holder 21 Air cylinder 22 Container locking hook 23 Resting member 24 grip 25 Rear cover 26 Transport stop switch 27 Soil adhesion prevention plate 28 Protector 29 Intermediate Selector Seats

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-5-168325 (JP, A) JP-A-6-181616 (JP, A) Actually open 2-57313 (JP, U) Actually open 2- 29213 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) A01D 13/00-33/14

Claims (2)

(57) [Claims] A harvesting conveyor device (6) for harvesting and transporting agricultural products in a field is provided on a machine body (2) of a harvester from a front part of the machine body to a rear part of the machine body through a center part of the machine body,
On the airframe side plate (8) near the harvest conveyor device (6) ,
Provided with a container locking hook (22) for fitting and locking in a handle hole of an empty container, the container locking hook
(22) The lower part of the empty container on the lower fuselage side plate (8)
An agricultural product harvester, characterized in that a padding member (23) made of an elastic body that comes into contact with is provided . 2. The container locking hook (22) comprises:
2. The agricultural product harvesting machine according to claim 1, further comprising a mounting surface for attaching to a body side plate (8) for receiving the load of an empty container.