JP2796586B2 - Agricultural sorting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to, for example, sweet potatoes, potatoes,
The present invention relates to a rope conveyor type agricultural product sorting apparatus for sorting root vegetables such as onions, beets, taro, konjac potatoes, short root carrots, and raccoons.

[0002]

2. Description of the Related Art Conventionally, as an agricultural product sorting apparatus for sorting root vegetables, a large number of ropes are wound at predetermined intervals between front and rear pulleys, and while the selected agricultural products are supplied and moved on these ropes. A rope conveyor type which is selected is known, and the present applicant has proposed a structure in which a short horizontal bar is fixedly attached at a predetermined interval to every other rope.

[0003]

By the way, in a sorting apparatus in which a number of short horizontal bars are fixed to the rope conveyor type at predetermined intervals, if the standard and size of the agricultural products to be sorted are to be changed, the pitch of the horizontal bars or the like is changed. It is necessary to prepare ropes of different lengths separately and exchange them, not only to prepare extra ropes separately,
It takes a lot of trouble and time to replace the rope,
There was a problem. The present invention has been made to solve the above problems.

[0004]

In order to achieve the above object, the present invention provides (1) a method in which a large number of ropes are wound at predetermined intervals between front and rear pulleys, and the selected agricultural products are supplied on these ropes. (2) In a rope conveyor type sorting device that sorts while moving, a plurality of short horizontal bars are fixed to the rope at predetermined intervals, and an adapter is detachably provided on these horizontal bars. The adapter is made of an elastic material and is detachable from the horizontal bar.

[0005]

According to the above arrangement, the present invention operates as follows. A number of short horizontal bars are fixed to the rope at predetermined intervals,
Adapters are detachably provided on these side bars,
According to the standard and size of the agricultural product to be sorted, the adapter can be attached to the horizontal bar without changing the rope, and the appropriate sorting can be performed. Since the adapter is made of an elastic material and can be attached to and detached from the horizontal bar, the adapter can be easily attached and detached. In addition, the adapter can be easily exchanged for one having a different size.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 3 to 5, reference numeral 1 denotes a potato harvester. The potato harvester 1 is equipped with crawlers 3, 3 which form a left-right pair on a body 2 and enable spin rotation. An engine 4 is mounted on the body 2 in front of the crawlers 3, 3, and a generator, a hydraulic pump, etc. (not shown) driven by the engine 4 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 and to the upper 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 and 8 and link rods between the side frames 8 and 8, and slats are provided at predetermined intervals. An excavating conveyor 10 is wound, and a lower end side of the slant is rotatable up and down around a turning part 10a at an upper end of the excavating conveyor.
The vertical movement adjustment, that is, the adjustment of the digging depth is performed by the expansion and contraction of the digging depth, and the digging conveyer 10 can be folded to the fuselage side from the middle of the side frames 8, 8. The folding and unfolding operations are performed by the hydraulic cylinder 12. The moving speed of the digging conveyor 10 can be adjusted steplessly or stepwise. The brackets 13, 13 projecting forward from the left and right side frames 8, 8 are provided with a ridge follower 14, which follows the machine body along the length of the ridge to be harvested.

The 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 is provided with a power connecting / disconnecting mechanism (not shown) near the folded portion thereof. 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. The auxiliary worker boarding device 18 includes a step 18a, a vertically adjustable and rotatable seat 18b, and a handrail 18c, and can be detached when unnecessary.

A second conveyor 19, which is a sorting conveyor of a rod (bar) conveyor type, is provided so as to be continuous behind the excavating conveyor device 6. As shown in FIG. 2, a vertical partition plate 19a is provided upright on the upper surface of the transport end portion of the second conveyor 19, and a drop hole 19b is formed at a rear end on one side partitioned by the vertical partition plate 19a. A guide plate 19c is formed at the rear end on the other side, and the guide plate 19c can be adjusted to move forward and backward. Then, a sorting operator, which will be described later, guides the potatoes among the harvested agricultural products sent from the excavating conveyor device 6 to the second conveyor 19 through the guide plates 19 of the vertical partition plate 19a.
The vines and foliage which are sent to the rear side via the guide plate 19c by moving toward the c side and remain on the drop hole 19b side of the vertical partition plate 19a are discharged to the field from the drop hole 19b.

At the rear end of the guide plate 19c of the second conveyor 19, a rake-like transfer body 31 vibrating in the vertical direction is provided, and connected to a third conveyor 33 which is a rope conveyor type sorting conveyor. . The distal end of the transfer body 31 is disposed so as to be in contact with the third conveyor, and each rope of the third conveyor 33 vibrates in the vertical direction due to the vibration of the transfer body 31. The crop loading device 25 is located below the third conveyor 33 and at the end of transportation.
Each opening of the containers 32, 32 placed on the front surface faces. The transfer body 31 has a structure that does not vibrate,
Each rope of the third conveyor 33 may be structured so as not to vibrate.

On one side of the second conveyor 19 in the transfer direction, a worker boarding device 20 on which a worker performing a steering operation and a sorting operation of the steering unit 7 is mounted, and a worker performing a sorting operation on the other side is mounted. A sorting operator 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 are respectively provided with steps 20a and 21a and a vertically adjustable and rotatable seat 2 respectively.
0b 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 19.

Sorting conveyor 33 as a third conveyor
Can be easily exchanged for another type having a different sorting form as required. However, the rope type conveyor 33 of this embodiment is provided between the left and right side frames 34, 34.
As shown in FIGS. 1 and 2, a pair of front and rear pulleys 35,
A plurality of ropes 36 are wound around the pulleys 35 at predetermined intervals. These ropes 36,
36 ... short horizontal bars 36a, 36a
Are fixed at predetermined intervals. Each of the horizontal bars 36a is made of a flexible material, and an adapter 36b made of an elastic material such as rubber is fitted in each of the horizontal bars 36a.
It is provided detachably via c and 36c. And it can change according to the standard and size of the agricultural products sorted by the sorting conveyor 33. The adapter 36b is not limited to one type, and a plurality of types are prepared.

The harvester mounting device 25 provided behind the third conveyor 33 is a loading platform on which a plurality of containers 32 containing harvested products can be mounted, and can be adjusted up and down by changing the front end of the aircraft. It is also possible to rotate around a front end and to be displaced between a use state protruding rearward of the fuselage and a storage state standing upright on the fuselage side. Then, a plurality of containers 32 are arranged side by side to accommodate the harvest. Although not shown, the two boarding devices 20,
An overhang is provided at steps 20a and 21a of 21,
A container for storing the harvested product may be placed.

A bridging frame 26 is provided so as to extend over the second conveyor 19 and the digging conveyor 10 so as to extend the handrails 23, 23.
6 is provided with lights 27 for illuminating both the front and rear directions of the fuselage. A parasol attachment seat 2 is attached to the distal end of a support arm 28 having a base end fixed to the straddle frame 26 and extending rearward.
A parasol 30 is tiltably and fixedly supported in all directions in all directions. 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 operated to spin the aircraft.

Also, as described above, the excavating conveyor 10
The traveling speed can be adjusted between stepless and stepped, and the excavation work speed can be freely set by combining this with the stepless or stepped traveling of the crawlers 3. When the potato harvesting machine 1 is not in use, the excavating conveyor device 6 moves the entire excavating conveyor device 6 to the rotating portion 10a.
Or, as shown in FIG. 4, the front end portion can be folded and turned to the fuselage side to be in the stowed state, the longitudinal length of the fuselage can be shortened, and the light truck can be loaded on the carrier and transported. 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 lucky roots from the 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 among the crops discharged from the transporting end of the excavating conveyor 10 onto the second conveyor 19 are handrailed by an operator sitting on the worker boarding device 20 and the sorting worker boarding device 21. , 23, and is conveyed to one side (guide plate 19c side) in the moving direction of the second conveyor 19, and sent to the third conveyor 33 via the transfer body 31 that vibrates from the end of conveyance. Vine, foliage, and the like remaining on the other side (the drop hole 19c side) in the moving direction of the second conveyor 19 are discharged to the field from the drop hole 19c. In the third conveyor 33, potatoes are ropes 36, 36 ... and horizontal bars 36a,
(Or adapters 36b, 36b ...), while being conveyed while being supported and conveyed, the transfer body 31 vibrates to drop the soil and small potatoes, etc., and leave the remaining medium and large potatoes in the lower container 32. It is stored in the container 32 in front of the transport end. When changing the selection standard and size of potatoes in the third conveyor 33, the adapter 36b may be detached and replaced as shown in FIG. 1 (b).

Here, the potato harvester 1 has an engine 4, a transmission 5, and an operation unit (operation system) 7 arranged 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. In addition, the traveling device (the crawlers 3 and 3) is configured to be capable of spin turning, and the transmission 5 is disposed at the center of the front side of the fuselage. You can turn with good balance. 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 along with the movement of the machine body along the longitudinal direction of the ridge to be harvested, 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 his or her 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 can be folded with the hydraulic cylinder 12 to turn with a small turning radius together with the spin turning of the crawlers 3.

It should be noted that the potato harvester 1 of the present invention can be used not only for potato harvesting work, but also for collecting unoccupied empty cans, empty bottles, wood chips, and the like, for example, on coasts and dunes. Can be. 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. Further, the second conveyor 19, the vibrating transfer body 31 and the third sorting conveyor 33 can be used not only as the potato harvester 1, but also as a stationary sorting device.

[0022]

As described above, according to the agricultural product sorting device of the present invention, the following effects can be obtained. A number of short horizontal bars are fixed to the rope of the rope conveyor type sorting device at predetermined intervals, and adapters are detachably provided on these horizontal bars, so that the ropes can be selected according to the standard and size of the agricultural products to be sorted. By simply attaching the adapter to the side bar without replacement, appropriate sorting can be performed. Further, the replacement operation can be easily performed in a short time. Since the adapter is made of an elastic material and can be attached to and detached from the horizontal bar, the adapter can be easily and easily attached to and detached from the horizontal bar. Also, it can be easily replaced with an adapter having a different size. Further, the adapter is made of an elastic material, so that the sorted produce is not damaged.

[Brief description of the drawings]

FIG. 1A is a front view of a main part of an agricultural product sorting device according to the present invention, and FIG. 1B is an exploded view of a state where a horizontal bar is attached to and detached from an adapter.

FIG. 2 is a perspective view of the agricultural product sorting device according to the present invention.

FIG. 3 is a plan view of the whole crop harvester to which the present invention is applied.

FIG. 4 is a side view of the same.

FIG. 5 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 of excavating 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 Second conveyor (sorting conveyor) 19a Partition plate 19b Drop hole 19c Guide plate 20 Worker boarding device 20a Step 20b Seat 21 Sorting worker boarding device 21a Step 21b
Seat 22 Clutch lever 23 Handrail serving also as a strength member of the body 24 Space 25 Harvester mounting device 26 Straddling frame 27 Light 28 Support arm 29 Parasol mounting seat 30 Parasol 31 Delivery body 32 Container 33 Third conveyor (rope type sorting conveyor) 34 Side frame 35 Pulley 36 Rope 36a Side bar 36b Adapter
36c fitting hole

──────────────────────────────────────────────────続 き Continuing on the front page (72) Koji Morikawa, Inventor Koji Morikawa, Okayama, Okayama Pref., 684 Nakabashi Kogyo Co., Ltd. 72) Inventor Hisayoshi Tokunaga 684 Nakahane, Okayama City, Okayama Prefecture Inside Kobashi Kogyo Co., Ltd. (58) Field surveyed (Int.Cl. ⁶ , DB name) A01D 13/00-33/14

Claims (2)

(57) [Claims] 1. A rope conveyor type sorting device, wherein a number of ropes are wound at predetermined intervals between front and rear pulleys, and sorting is performed while supplying and moving selected agricultural products on these ropes. Then, a number of short horizontal bars are fixed at predetermined intervals,
An agricultural product sorting apparatus characterized in that adapters are detachably provided on these side bars. 2. The system according to claim 1, wherein the adapter is made of an elastic material and is detachable from the horizontal bar.
Agricultural product sorting device as described.