JP3886611B2 - Vegetable harvesting machine - Google Patents

Description

[0001]
[Industrial application fields]
The present invention removes vegetables such as cabbage from the field, cuts out unnecessary roots and leaves in the process of transporting them, transports them to the rear of the machine, stocks them on a carriage provided at the rear end of the machine, It relates to a vegetable harvester that is boxed and unloaded.
[0002]
[Prior art]
Conventionally, as a vegetable harvester that harvests vegetables vegetated on the field, equipped with a pair of left and right crawlers, pulls out the vegetables vegetated on the field, and conveys the extracted vegetables toward the rear of the aircraft It is known that an unnecessary root portion or leaf portion is cut and prepared by a cutting device in the process, and the prepared vegetables are carried out toward the rear of the machine body and accommodated in a large container. In addition, in the Japanese Patent Application No. 9-57930, the present applicant connects a cart equipped with casters at the rear of the vegetable harvesting machine. Proposing a space for preparing vegetables to be carried out of the machine and a boxing space for boxing the prepared vegetables so that vegetable preparation and boxing operations can be performed continuously Yes.
[0003]
In the former vegetable harvesting machine, when the vegetables in the container are full, the vegetables are manually removed from the container. In the latter vegetable harvesting machine, the width and length of the machine is large, and empty boxes such as cardboard boxes are stacked, and the vegetables discharged from the harvesting machine are repackaged and repackaged. Are stacked.
[0004]
[Problems to be solved by the invention]
In the former vegetable harvesting machine, the work of taking out the vegetables from the large container is heavy labor, and the work with a poor working posture with the waist bent is forced. In the latter vegetable harvesting machine, workability deteriorates due to the large body, and there is not enough work space to prepare and box on the cart, so workability is poor, and empty boxes fall due to wind or airframe vibration. It was easy, and there were various problems such as stacking boxes filled with vegetables to support the next work.
The present invention has been made to solve the above problems.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention
A. Equipped with a pair of left and right crawlers, pulling out the vegetables planted in the field, and cutting and cutting unnecessary roots and leaves with a cutting device in the process of transporting the extracted vegetables toward the back of the aircraft, this preparation In the vegetable harvesting machine that is designed to carry out the vegetables that are directed toward the rear of the aircraft,
A cart equipped with casters is connected to the rear part of the vegetable harvesting machine, and a stock platform for stocking the adjusted and unloaded vegetables is divided into left and right parts on the cart.
[0006]
B. It is characterized in that the height of the stock table is set to a height that does not increase the labor load of workers working on the cart or on the ground.
[0007]
C. A work table movable between a work position and a storage position is provided below the stock table.
[0009]
[Action]
By the above means, the method for harvesting headed vegetables of the present invention operates as follows.
(1). By connecting a cart equipped with casters at the rear of the vegetable harvester and providing a plurality of divided stock stands on this cart, stock the vegetables carried out from the vegetable harvester on the divided stock stands, When the vegetables on the stock table are full, the vegetables can be re-prepared and boxed, or the vegetables can be boxed without re-preparing and then dropped from the cart.
[0010]
(2). By setting the height of the stock stand to a height that does not increase the labor load on the above-mentioned cart or the worker who works on the ground, the worker can work either on the cart or on the ground. , Work in a comfortable posture with less fatigue.
[0011]
(3). By preparing a work table that can be moved between the work position and the storage position on the lower side of the stock table, when re-preparing and packing vegetables on the stock table, or when packing without re-preparing vegetables, Work with the work table at the work position. When the work table is not used, it is in the storage position.
[0012]
(4). By providing a transverse feed conveyor that receives the cut roots, leaves, and vegetables and transports them horizontally in the lower side of the cutting device, the cut roots, leaves, and vegetables are conveyed by the transverse feed conveyor to the vegetables. Is stocked on the stock table by the operator, and the roots and leaves are discharged to the field.
[0013]
【Example】
Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
In the figure, reference numeral 1 denotes a headed vegetable harvester, and this headed vegetable harvester 1 is equipped with a crawler 2 that makes a left-right pair and enables spin rotation. The engine 3 is mounted on the left and right sides of the airframe on the crawler 2, and on the front side of the engine 3, there is a hydraulic pump and a hydraulic continuously variable at a substantially central position on the left and right of the airframe (almost central position between the pair of crawlers 2). A transmission 4 including a transmission (HST) is mounted, and power is transmitted from the engine 3 via a countershaft. Each transmission system for transmitting power from the engine 3 to the hydraulic pump and the transmission 4 is provided with a tension clutch.
[0014]
Left and right sides of the aircraft, passing from the lower front of the aircraft to the rear of the aircraft, sandwiching the rhizomes of headed vegetables (cabbage) vegetated on the field, withdrawing as the aircraft advances, A pair of screw conveyors 5 and 5 and a recutting device (not shown) that is provided on the upper rear side of the screw conveyors 5 and 5 and automatically cuts in a state where the base of the rooted portion of the headed vegetables to be conveyed is sandwiched are arranged. Has been established. The base end portions of the screw conveyors 5 and 5 are pivotally supported by the airframe so as to move up and down the front portion. A driver's seat 6 is provided on the other side of the machine body opposite to the screw conveyors 5 and 5. Below the re-cutting device, there is provided a transverse feed conveyor 7 that receives the cut roots and leaves, and the heads discharged from the screw conveyors 5 and 5 and transports them in the lateral direction.
[0015]
The screw conveyors 5 and 5 are pulled out of the field with the progress of the machine while rotating so as to sandwich the rhizome part of the headed vegetable (cabbage) vegetated in the field from both the left and right sides. In the state where the part is sandwiched, the sheet is conveyed obliquely upward and rearward of the machine body. The re-cutting device is provided continuously at the end of conveyance of the screw conveyors 5 and 5.
[0016]
The screw conveyors 5 and 5 receive power at the base ends and rotate inwardly facing each other. The rhizomes of the headed vegetables are sandwiched from both the left and right sides to convey and raise diagonally backward. A disc-shaped cutting blade is provided below the screw conveyors 5 and 5 to cut the roots from the rhizomes of the headed vegetables being conveyed. On the upper side of the screw conveyors 5, 5, sandwiching / conveying belts 8, 8 comprising a pair of endless wide belts that sandwich and convey both sides of the headed vegetables conveyed by the screw conveyors 5, 5, and the sandwiching / conveying belt Above 8 and 8 is provided an attitude control belt 9 comprising an endless belt that is supported so as to be swingable in the vertical direction and controls the attitude by pressing the upper part (top part) of the headed vegetables being conveyed.
[0017]
Further, on the left and right sides of the front ends of the screw conveyors 5 and 5, a scraping wheel that rotates inward in the horizontal direction and scrapes the headed vegetables vegetated in the field toward the front ends of the screw conveyors 5 and 5. 10,10 are arranged. The scraping wheels 10 and 10 are supported in such a manner that they are inclined forward and are movable in a predetermined range in the left-right direction and the front-rear direction.
[0018]
A cart 12 equipped with casters 11, 11 is connected to the rear end of the head vegetable harvesting machine 1, and stock platforms 14, 14 divided on both sides of the work space 13 are provided on the cart 12. The height of the stock bases 14 and 14 is set to a height at which the work load of the worker A working on the work space 13 of the cart 12 or on the ground does not increase. On the lower side of the stock stands 14, 14, a pivotable worktable 15 that can move between a work position and a storage position and that pivots about a pivotal support 15a and a slide worktable 16 that slides in the front-rear direction. Is provided.
[0019]
In the transmission 4 that receives power from the engine 3 and changes the speed, a continuously variable hydraulic continuously variable transmission (HST) and a transmission gear are used to change gears continuously and continuously, and a side clutch and a differential device. The power transmission is connected to and disconnected from the crawlers 2 so that the crawlers 2 and 2 are shifted in a stepless manner and stepped. In addition, a brake device is provided in association with the differential device. When the steering lever is largely operated, the aircraft is spin-turned by the operation of the side clutch, the differential mechanism, and the brake.
[0020]
Each rotational drive unit, including the screw conveyors 5 and 5, the lateral feed conveyor 7, the presser belt 9, and the scraping wheels 10 and 10, can be adjusted to change the rotational speed and the moving speed between stepless and stepped. In addition, the combination of the crawlers 2 and 2 with the stepless or step-variable speed traveling allows the harvesting speed of the headed vegetables to be set freely. Further, the screw conveyors 5, 5, the clamping / conveying belts 8, 8, the presser belt 9, the take-up wheels 10, 10 and the like are rotated upward by a hydraulic cylinder (not shown) when traveling on the road or turning at the field end. In the state where the tip side is raised, traveling on the road is facilitated and the headland can be turned in a small area.
[0021]
Next, the operation of the headed vegetable harvester 1 configured as described above will be described.
For example, when performing a harvesting operation in a field where cabbage which is a headed vegetable is cultivated, the headed vegetable harvesting machine 1 makes the scoring wheels 10 and 10 face the cultivation basket, and the scoring wheels 10 and 10 are screw conveyors 5 and 5. 5. Rotation driving units such as the sandwiching / conveying belts 8 and 8, the pressing belt 9, the cutting blade, and the recutting device are rotationally driven, and the machine body is caused to travel by the crawlers 2 and 2. Then, the cabbage vegetated in the cultivated rice cake is scraped into the rhizome part by the picking wheels 10 and 10, and the rhizome part is sandwiched from both sides by the screw conveyors 5 and 5, and the rotation of the screw conveyors 5 and 5 itself. It is pulled out by the advance of the fuselage and sent backward without stagnation.
[0022]
The cabbage transported by the screw conveyors 5 and 5 is transported with the side portions being sandwiched and transported by the sandwiching / conveying belts 8 and 8 in the process of being transported rearward, and is stably held by the presser belt 9 from above. The root part is cut from the rhizome part by the cutting blade in the middle of the movement. The presser belt 9 can move up and down and translate back and forth, accurately press according to the size, spacing, etc. of the cabbage to correct the posture and perform reliable conveyance, and the root is cut at a fixed position by a cutting blade, In addition, the rhizome part and the lower leaf are cut by the recutting device at the end parts of the screw conveyors 5 and 5, and the headed part is carried onto the transverse feed conveyor 7.
[0023]
The headed portion transported by the transverse feed conveyor 7 is stocked on the stock bases 14 and 14 by the worker A riding on the work space 13 of the carriage 12. When the heads in the stock tables 14 and 14 are full, the harvesting operation is temporarily stopped, and the worker A gets off the cart 12 and puts the rotary work table 15 and the slide work table 16 into the working state. The cardboard box 17 is filled with the head part, or the head part is re-prepared and packed into the cardboard box 17. Then, the cardboard box 17 filled with the head portion is lowered.
[0024]
【The invention's effect】
As described above, according to the method for harvesting headed vegetables of the present invention, the following effects can be achieved.
[0025]
(1). A cart equipped with casters is connected to the rear of the vegetable harvester, and a plurality of divided stock stands are installed on this cart. Therefore, the vegetables transported from the vegetable harvester are stocked on the divided stock stand and stocked. When the vegetables on the table are full, the vegetables can be re-prepared and boxed, or the vegetables can be boxed without re-preparation, and then removed from the cart, and then efficiently harvested and boxed. it can.
[0026]
(2). Since the height of the stock table is set to a height that does not increase the labor load of the worker who works on the above-mentioned cart or on the ground, the worker can do either on the cart or on the ground, You can work in a comfortable posture with less fatigue.
[0027]
(3). Since the work table movable to the work position and the storage position is provided on the lower side of the stock table, when re-preparing and packing vegetables on the stock table, or when packing without re-preparing vegetables, It is possible to perform boxing after preparation and boxing with the work table at the working position. In addition, when the work table is not used, it is not disturbed by being placed in the storage position.
[0028]
(4). Since the transverse feed conveyor that receives the cut root, leaves, and vegetables in the horizontal direction is provided below the cutting device, the cut roots, leaves, and vegetables are conveyed by the transverse feed conveyor Can be stocked on a stock table by an operator on the work table, and the roots and leaves can be discharged to the field.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a side view of an entire headed vegetable harvester of the present invention.
FIG. 2 is a plan view of the same.
FIG. 3 is a rear view of the same.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Heading vegetable harvester 2 Crawler 3 Engine 4 Transmission including hydraulic continuously variable transmission (HST) 5 Screw conveyor 6 Driver's seat 7 Cross feed conveyor 8 Nipping / conveying belt 9 Attitude control belt 10 Stirring wheel 11 Caster 12 Cart 13 Work Space 14 Stock table 15 Rotating work table 15a Rotating fulcrum 16 Sliding work table 17 Cardboard box A Worker

Claims (3)

Equipped with a pair of left and right crawlers, pulling out the vegetables planted in the field, and cutting and cutting unnecessary roots and leaves with a cutting device in the process of transporting the extracted vegetables toward the back of the aircraft, this preparation In the vegetable harvesting machine that is designed to carry out the vegetables that have been taken to the rear of the aircraft,
A vegetable harvester characterized in that a cart equipped with casters is connected to the rear part of the vegetable harvester, and a stock stand for stocking the adjusted and unloaded vegetables is divided into left and right on the cart.   2. The vegetable harvesting machine according to claim 1, wherein the height of the stock table is set to a height that does not increase a labor load of an operator working on the cart or on the ground.   The vegetable harvester according to claim 1 or 2, wherein a work table movable between a work position and a storage position is provided below the stock table.

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