JP2588124Y2 - Agricultural harvester - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an agricultural harvester for harvesting root vegetables such as sweet potatoes, potatoes, onions, beets, taro, konjac potatoes, short root carrots and raccoons.

[0002]

2. Description of the Related Art Conventionally, agricultural harvesters for harvesting root crops include, for example, potato harvesters, beet harvesters, potato diggers, riding tractors or walking tractors equipped with a digging blade, and the aforementioned digging blade. There are known those equipped with a digging conveyor device having a link rod chain conveyor connected to the rear, and those configured to vibrate the link rod chain conveyor.

[0003]

[Problems to be Solved by the Invention] The above-mentioned potato harvester, beet harvester, potato digger, etc. are large like imported products, and suitable for use in large-scale fields such as Hokkaido, but small-scale. It was not suitable for use in a natural field, and was a dedicated machine with poor versatility. Further, a tractor with a digging blade mounted on a riding tractor or a walking type tractor, a tractor with the digging conveyor device mounted thereon, a tractor that vibrates the link rod chain conveyor, and the like may be used in a small-scale field. Although it was developed to be able to do, only the root vegetables as described above are dug and released to the field, this dug root vegetables require a separate work process of picking up and sorting separately Work efficiency.

[0004] As described above, in view of the current situation in which there is no harvester that excavates and sorts root vegetables in a small-sized riding type, and then stores them, the applicant of the present invention has proposed a technique in which the right and left traveling devices are moved from the front to the rear of the center of the body. , Workers are provided with a digging conveyor for digging and transporting agricultural products vegetated in the field, a sorting conveyor for sorting, and a crop loading device for loading crops, and sorting work beside the sorting conveyor. Has proposed a self-propelled agricultural harvester with steps to board.
In this harvester, the crops selected by the worker are stored in containers placed on the harvesting equipment, and when trying to store them according to the sorting grade, there is a shortage of containers.
There was a problem. The present invention has been made to solve the above problems.

[0005]

In order to achieve the above object, the present invention provides: A digging conveyor 10 for digging and transporting agricultural products vegetated in a field, and a sorting conveyor 19 for sorting, from the front to the rear of the central part of the body between the left and right traveling devices 3 and 3.
In the self-propelled agricultural product harvester 1 provided with a crop loading device 25 for loading crops and provided with steps 20a and 21a on which a worker performing a sorting operation is mounted beside the sorting conveyor 19, Step 20a located on the side,
Auxiliary mounting table 3 for mounting container 32 on 21a
1 with the fitting holes 20 formed in the steps 20a and 21a.
The first fitting piece 31a and the second fitting piece 31b formed on the auxiliary mounting table 31 are fitted to the use position for mounting the container 32 and the steps 20a and 21a with respect to c and 21c. B. removably attached to a position; The auxiliary mounting table 31 is characterized in that the auxiliary mounting table 31 is also used as a step plate for an operator in a stored state.

[0006]

According to the above construction, the present invention operates as follows. . Steps 20a and 21a located on the sides of the worker
In addition, the auxiliary mounting table 31 for mounting the container 32,
Fitting holes 20c, 21 formed in steps 20a, 21a
c, the first fitting piece 31 formed on the auxiliary mounting table 31
a and the second fitting piece 31b are detachably provided at the use position where the container 32 is placed and the storage position where they are fitted on the steps 20a and 21a. The container 32 mounted on the auxiliary mounting table 31 and the container 32 mounted on the crop mounting device 25 can be accommodated. Further, it is possible to easily switch between the use position and the storage position simply by inverting the auxiliary mounting table 31. . Since the auxiliary mounting table 31 is also used as a step plate for the worker in the stored state, the container 32 is mounted with the auxiliary mounting table 31 in the used state as needed. Used as a step plate for

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 6 to 9, reference numeral 1 denotes a potato harvester. The potato harvester 1 is equipped with crawlers 3, 3 which form a left and right pair on a body 2 and enable super turning. The engine 4 is mounted on the body 2 in front of the crawlers 3 and 3, and a generator, a hydraulic pump, etc. (not shown) driven by the engine are mounted near the engine 4. A transmission 5 is provided between the crawlers 3 and 3 at a lower position on the front side of the body 2. Also, from the lower front of the fuselage 2 to the upper center of the fuselage through the transmission 5 to the center of the fuselage, a digging conveyor device 6 that excavates the vegetation cultivated in the field and conveys it rearward is provided. The conveyor device 6 has a front end portion pivotally supporting a base end portion so as to be vertically movable. A control unit 7 is provided on the other side of the body 2 opposite to the engine 4.

The digging conveyor device 6 has digging blades 9 attached to the front ends of left and right side frames (frames) 8, 8 and link rods between the side frames 8, 8, and slats are provided at predetermined intervals. The excavating conveyor 10 is wound, and the lower end side of the slant is rotatable up and down around the turning part 10a at the upper end part of the excavator, and the hydraulic cylinder 11 provided between the machine body 2 and the side frames 8
The vertical movement adjustment, that is, the adjustment of the digging depth is performed by the expansion and contraction operation of the digging depth, and the digging conveyer 10 can be folded together with the digging conveyor 10 from the middle of the side frames 8, 8. The folding and unfolding operations are performed by the hydraulic cylinder 12. The digging conveyor 10 can adjust its moving speed steplessly or stepwise. Further, the brackets 13, 13 projecting forward from the left and right side frames 8, 8 are provided with ridge followers 14, which follow the machine body along the length direction of the ridge to be harvested.
Is provided.

This ridge follower 14 is provided with a pair of wheels 15, 15 which are in contact with the inclined shoulders of the ridge to be harvested, facing each other. It is supported so that it can be adjusted up and down and can be adjusted left and right by slide mechanisms 17 and 17. The pair of wheels 15, 15 have a camber angle. The side frame 8 of the excavating conveyor device 6 includes:
Although not shown, a power connecting / disconnecting mechanism is provided near the folded portion. On the side of the excavating conveyor device 6, an auxiliary worker boarding device 18 on which an auxiliary worker who performs pre-processing of the harvested excavated and conveyed products is arranged. This auxiliary worker boarding device 18 includes a step 18a,
It is constituted by a rotatable seat 18b and a handrail 18c, and can be removed when unnecessary.

At the rear of the machine body behind the excavating conveyor device 6, there is provided a sorting conveyor device 19 for performing a sorting operation while placing and transferring the harvested products. On one side of the transfer direction of the sorting conveyor device 19, a worker boarding device 20 on which a worker performing a steering operation and a sorting operation of the control unit 7 is mounted, and a sorting worker on which a worker performing a sorting operation is mounted on the other side. A boarding device 21 is provided. A clutch lever 22 operable in conjunction with a traveling clutch lever provided on the control unit 7 and a clutch lever of the excavating conveyor 10 is provided near the sorting operator boarding device 21. The two boarding devices 20 and 21 respectively perform steps 20a and 21
a and up and down, rotatable seats 20b and 21b. Further, handrails 23, 23 also serving as strength members of the body 2 are provided at front positions of the boarding devices 20, 21 facing the sorting conveyor device 19.

The sorting conveyor device 19 can be easily replaced with a plurality of other types having different sorting forms as required. In this embodiment, a flat belt type is used. In addition, a rod (bar) conveyor type, a rope conveyor type in which a number of short horizontal bars are fixed to every other rope at predetermined intervals, and a number of taper rollers are used. A tapered roller type or the like in which the front side is made thick and arranged in the width direction so as to rotate each roller is detachable. In addition to these, it can be replaced with a sorting conveyor having a different sorting form. A space 24 is formed below the sorting conveyor 19. Although not shown, a sieve line is provided below the end of the sorting conveyor device 19.

At the rear end of the fuselage behind the sorting conveyor 19, a crop loading device 25 for loading crops is provided. The harvested product mounting device 25 is a loading platform capable of loading a large number of containers accommodating harvested products, and can be adjusted up and down by changing the front end of the body, and can rotate around the front end. It can be moved between a use state that protrudes rearward of the fuselage and a stored state that stands upright on the fuselage side. Also, as shown in FIG. 6, FIG. 1 to FIG.
An auxiliary mounting table 31 is provided at the steps 20a and 21a of the two boarding devices 20 and 21, and the container 3 for storing harvested products is provided.
2 can be placed.

Referring to FIGS. 1 to 5, an auxiliary mounting table 31 is provided.
Is provided on the worker boarding device 20 side. In the step 20a on the front side of the seat 20b, a long fitting hole 20c is formed in the front and rear portion on the outer side portion, and the auxiliary mounting table 31 projects outward from the fitting hole 20c in a container mounting state (FIG. 1). ) And a step use state (FIG. 2) located inside the step 20a. The first fitting piece 3 is provided on the lower surface of the auxiliary mounting table 31.
1a and the second fitting piece 31b are formed, and when the container is placed, the first fitting piece 31a is
c, and the second fitting piece 31b fits into the fitting hole 20c in the step use state.

An extending frame 26 is provided to extend above the handrails 23, 23, above the sorting conveyor device 19 and the excavating conveyor 10, and a light 27 for illuminating the front and rear directions of the body is attached to the extending frame 26. Have been. Further, a parasol 30 is tilted in all directions in the front, rear, right and left directions via a parasol mounting seat 29 at the tip of a support arm 28 having a base end fixed to the straddling frame 26 and extending rearward.
It is fixedly supported. The umbrella 30 is used to shade a worker sitting on the worker boarding device 20 and the sorting worker boarding device 21, and a fan or a radio may be attached to the support of the parasol 30.

The transmission 5 which receives power from the engine 4 and shifts is provided with a continuously variable hydraulic transmission (HST) (not shown) for continuously changing the speed. The transmission is connected through a side clutch and a differential device.
Then, the crawlers 3 and 3 are driven to change speed between stepless and stepped. Further, a brake device is provided in connection with the differential device. When the steering lever is largely operated, the side clutch, the differential mechanism, and the brake are actuated to turn the airframe in a super pivot.

As described above, the excavating conveyor 10
The speed of the movement can be adjusted steplessly and stepwise, and the excavation work speed can be freely set by combining this with the stepless or stepped running of the crawlers 3 and 3. When the potato harvester 1 is not in use, the excavating conveyor device 6 rotates the entire excavating conveyor device 6 around the rotating portion 10a, or folds the tip end portion as shown in FIG. Turn to the aircraft side to put it in the stowed state, shorten the front and rear length of the aircraft, load it on the light truck bed and carry it,
In addition, it can be stored in a warehouse or the like, and the headland turning can be performed in a small area.

Next, the operation of the peach harvester 1 configured as described above will be described. For example, when harvesting root vegetables such as sweet potatoes, potatoes, onions, beets, taro, konjac potatoes, short root carrots, and raccoons from a field, the potato harvester 1 harvests the wheels 15 and 15 of the ridge following device 14. Excavation conveyor device 6
The excavating blade 9 is moved up and down by a hydraulic cylinder 11 to adjust the excavating depth, and the harvest is dug by the excavating blade 9 by advancing the fuselage. Lift the aircraft diagonally upward. During this transportation, the soil falls from between the link rods, and a worker sitting on the auxiliary worker boarding device 18 performs a pretreatment for removing vines, foliage, large lumps, stones, and the like other than root vegetables.

Only the root crops of the harvest discharged from the end of the excavating conveyor 10 onto the sorting conveyor device 19 are transferred to the handrailing device 23 by the worker sitting on the worker mounting device 20 and the sorting worker mounting device 21. , 23, and the container and the step 20 placed on the crop loading device 25.
a, 21a, and are stored in containers 32 mounted on the auxiliary mounting tables 31, 31. The soil and contaminants remaining on the sorting conveyor 19 fall from the transport end through the space 24 to the field. The umbrella 30 prevents direct sunlight and rain from directly shining on the workers sitting on the worker boarding device 20 and the sorting worker boarding device 21.

The sorting operator sorts the root vegetables selected from the sorting conveyor device 19 into a container placed on the crop loading device 25, steps 20a and 21a, and the auxiliary placing table 3
Since the containers can be sorted and accommodated in the containers 32 placed in the containers 1 and 31, the quality and the grade can be selected. Further, it is possible to appropriately select and arrange containers according to the right-handedness, left-handedness, goodness of work, weakness of the worker's hand, etc., and to use the container conveniently.

Here, the potato harvester 1 has an engine 4, a transmission 5, and an operation unit (operation system) 7 disposed in front of crawlers (traveling devices) 3, 3, and an operator boarding device in the rear. 20, by disposing the sorting operator boarding device 21 and the crop mounting device 25, the front-back, left-right balance of the body 2 is improved, and workability and work accuracy are improved.
The traveling performance, turning performance, and stability of the body 2 are improved.
Further, the traveling device (crawlers 3 and 3) is configured to be able to make a super pivot turn, and the transmission 5 is disposed in the front center portion of the fuselage. You can turn in a well-balanced direction. Therefore, the crawlers 3 and 3 do not greatly scrape the soil of the field.

A ridge follower 14 is provided in front of the excavating conveyor device 6 to follow the ridge along the length of the ridge to be harvested along with the movement of the fuselage, and a pair of wheels which are in rolling contact with the inclined shoulders of the ridge to be harvested. 15 are opposed to each other and supported so as to be vertically adjustable and horizontally adjustable with respect to the excavating conveyor device 6, so that both wheels 15 automatically follow the ridge to be harvested and automatically steer the fuselage. Automatic excavation / conveyance by the take-up conveyor device 6 is performed. Therefore, the worker sitting on the worker boarding device 20 can spend most of the time on the sorting work except for the operation of steering the machine at the ridge end of the ridge to be harvested. Further, when the headland turning is performed at the field end, the excavating conveyor device 6 is folded by the hydraulic cylinder 12 so that the turning can be performed with a small turning radius together with the super turning of the crawlers 3 and 3.

The potato harvester 1 of the present invention can be used not only for potato harvesting, but also for collecting unoccupied empty cans, empty bottles, wood chips, etc., for example, on the coast or in dunes. Can be done. In this case, the ridge following device 14 may be removed or the device may function as a device for adjusting the digging depth of the digging blade 9.

[0023]

[Effects of the Invention] As described above, according to the agricultural harvester of the present invention, the following effects can be obtained. . Steps 20a and 21a located on the sides of the worker
In addition, the auxiliary mounting table 31 for mounting the container 32,
Fitting holes 20c, 21 formed in steps 20a, 21a
c, the first fitting piece 31 formed on the auxiliary mounting table 31
a and the second fitting piece 31b are detachably provided at the use position where the container 32 is placed and the storage position where they are fitted on the steps 20a and 21a. The container 32 placed on the auxiliary mounting table 31 and the container 32 placed on the crop mounting device 25 can be stored, and the crops can be sorted and stored according to grade.
Also, just by turning the auxiliary mounting table 31 in the horizontal direction,
It can be easily switched between the use position and the storage position. . Since the auxiliary mounting table 31 is also used as a step plate for the worker in the stored state, the container 32 is mounted with the auxiliary mounting table 31 in the used state as needed. It can be used as a step plate. Further, the switching can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state where a container is mounted on an auxiliary mounting table according to the present invention.

FIG. 2 is a perspective view of the auxiliary mounting table in a step use state.

FIG. 3 is a perspective view of an operator step.

FIG. 4 is a plan view of an auxiliary mounting table.

FIG. 5 is a side view of the same.

FIG. 6 is a plan view of the whole potato harvester according to the present invention.

FIG. 7 is a side view of the same.

FIG. 8 is a rear view of the same.

FIG. 9 is a perspective view of the same.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Potato harvester 2 Body 3 Crawler 4 Engine 5 Transmission 6 Digging conveyor device 7 Operating part 8 Side frame (frame) 9 Digging blade 10 Digging conveyor 10a Rotating part 11 Hydraulic pressure for vertical movement adjustment of digging conveyor device Cylinder 12 Hydraulic cylinder for folding a digging conveyor device 13 Bracket 14 Ridge following device 15 Wheel 16 Vertical adjustment mechanism 17 Slide mechanism 18 Auxiliary worker boarding device 18a Step 18b
Seat 19 Sorting conveyor device 20 Operator boarding device 20a Step 20b Seat 20c Fitting hole 21 Sorting operator boarding device 21a Step 21b
Seat 22 Clutch lever 23 Handrail serving also as strength member of body 24 Space 25 Harvesting device 26 Crossing frame 27 Light 28 Support arm 29 Parasol mounting seat 30 Parasol 31 Auxiliary mounting table 31a First fitting piece 31b Second fitting Combine 32 containers

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Akihiko Kakimi 684 Nakahashi, Okayama City, Okayama Prefecture Inside Kobashi Kogyo Co., Ltd. (72) Koji Morikawa 684 Nakahone, Okayama City, Okayama Prefecture In Kobashi Kogyo Co., Ltd. 72) Inventor Minoru Oda 684 Nakahane, Okayama City, Okayama Pref. Inside Kobashi Kogyo Co., Ltd. (56) References Shokai Sho 59-87216 (JP, U) Shokai Sho 60-46855 (JP, U) Shoji Akira 62-35315 (JP, Y2) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01D 13/00-33/14 A01D 67/00

Claims (2)

(57) [Scope of request for utility model registration] 1. Left and right traveling devices(3,3)Aircraft center between
From the front to the back of the farm,
Digging conveyor for excavation and transportation(10), Sort
Sorting conveyor(19)And a crop tower that carries the crop
Loading device(25)And a sorting conveyor(19)Beside
Steps for boarding a sorting work worker(20a, 2
1a)Self-propelled agricultural harvester(1)In the step located on the side of the worker(20a, 21a)
Into the container(32)Auxiliary mounting table for mounting(3
1)ToFitting holes formed in steps (20a, 21a)
(20c, 21c), formed on the auxiliary mounting table (31)
First fitting piece (31a) and second fitting piece (31b)
The use position and step for placing the container (32)
(20a, 21a)Removable
An agricultural product harvester characterized by being provided in Noh. 2. The auxiliary mounting table (31) is also used as an operator's step plate in a stored state.
Agriculture harvester as described.