JPH06181615A - Harvester for farm product - Google Patents

Abstract

PURPOSE:To provide a harvester for farm products capable of selecting root crops such as sweet potato, potato, onion, beet, taro, devil's tongue, short carrot and scallion simultaneously with the harvest of the crops from the field. CONSTITUTION:A selection apparatus or a preparation apparatus composed of a rope conveyor is used as the 3rd conveyor of a farm product harvester, a rake-shaped delivery member is placed between the 3rd conveyor and a 2nd conveyor and the delivery member is made to enable the oscillation in vertical direction. The delivery member is placed in such a manner as to contact the tip end of the delivery member with the 3rd conveyor to transmit the oscillation of the delivery member to the 3rd conveyor. The delivery member is oscillated by an oscillator placed at a side end of a rear supporting shaft of the 2nd conveyor and the oscillation apparatus is integrally attached to the supporting member of the rear supporting shaft of the 2nd conveyor.

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 for simultaneously picking root vegetables such as onions, beets, taros, konjac potatoes, short root ginseng, and lacquer roots from a field and at the same time.

[0002]

2. Description of the Related Art Conventionally, as an agricultural product harvester for collecting root vegetables from a field and selecting them, a digging conveyor is continuously provided with a selecting conveyor, and a plurality of selecting conveyors are provided between front and rear pulleys. There is proposed a rope conveyor type in which the ropes are wound at a predetermined interval and the agricultural products to be sorted are fed onto the ropes and moved while being moved.

[0003]

In the one in which a selection conveyor is provided continuously to the above-mentioned digging conveyor, between the digging conveyor and the selection conveyor, the conveyed agricultural products are caught and damaged, There is a problem that agricultural products are accumulated and the conveyor is stopped. Further, in the rope conveyor type sorting device, sorting is mainly performed according to the size of the agricultural products to be sorted, but when the agricultural products are supplied collectively or together with the soil, the agricultural products are separated in the transportation process. This may result in poor sorting without being performed sufficiently. Therefore, the applicant has proposed a method in which each rope is vibrated up and down, or a method in which each rope is vibrated left and right. . However, in order to vibrate each rope, there is a problem that a dedicated vibrating device is required and the configuration becomes complicated. The present invention has been made to solve the above problems.

[0004]

In order to achieve the above-mentioned object, the present invention provides (1) a sorting device or a preparing device comprising a rope-shaped conveyor as a third conveyor of an agricultural product harvesting machine, and the third conveyor A rake-shaped transfer body is provided between the second conveyor and the transfer body so that the transfer body can be vertically vibrated. (2) Arranged so that the tip of the transfer body contacts the third conveyor. Then, the third conveyor is vibrated by the vibration of the transfer body. (3) The transfer body is vibrated by an oscillating device provided at one end of the rear support shaft of the second conveyor. The vibrating device is integrally provided on a support member of a rear support shaft of the second conveyor, respectively.

[0005]

With the above construction, the agricultural product harvester of the present invention is
It has the following effects. The sorting device or the preparation device consisting of a rope conveyor is used as the third conveyor of the harvester, and the third conveyor and the second conveyor
Since a rake-shaped transfer body that vibrates up and down is provided between the conveyor and the conveyor, the agricultural product is not caught between the third conveyor and the second conveyor, and the vertical vibration of the transfer body makes the transfer of the agricultural product good. In addition, the retention of agricultural products will be eliminated and the soil will be well sorted.

[0006] The tip of the transfer body is arranged so as to contact the third conveyor, and the vibration of the transfer body causes the third conveyor to vibrate. Therefore, a vibrating device for vibrating the third conveyor (rope conveyor) Is unnecessary and the configuration is simplified. In addition, the sorting performance of the third conveyor and the delivery body is improved. The transfer body is vibrated by an oscillating device provided at one end of the rear support shaft of the second conveyor, and the oscillating device is integrally provided on a support member of the rear support shaft of the second conveyor. Therefore, the structure of the exciter of the transfer body is simplified, and even if the tension of the support shaft of the second conveyor is adjusted, the exciter of the transfer body is not affected.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 2 to 4, reference numeral 1 is a potato harvester, and the potato harvester 1 is equipped with crawlers 3 and 3 which are laterally paired with each other on a body 2 to enable super-spinning. An engine 4 is mounted on the machine body 2 on the front side of the crawlers 3 and 3, and a generator driven by the engine 4, a hydraulic pump and the like (not shown) are mounted in the vicinity thereof. A transmission 5 is provided at a lower position on the front side of the machine body 2 between the crawlers 3 and 3. In addition, from the lower front of the machine body 2 through the transmission 5 to the upper center of the machine body, the agricultural products vegetated in the field are excavated and conveyed backward, and the excavation conveyor device 6 inclined so that the tip side descends. The conveyor device 6 has a base portion pivotally supported so that a front portion thereof can move up and down. A control unit 7 is provided on the other side of the machine body 2 opposite to the engine 4.

In the excavation conveyor device 6, excavation blades 9 are attached to the ends of the left and right side frames (frames) 8, and link rods are provided between the side frames 8 and 8 and slats are provided at predetermined intervals. The excavation conveyor 10 is wound, and a tilting lower end side is vertically rotatable around a tilting upper end rotating portion 10a, and a hydraulic cylinder 11 provided between the machine body 2 and the side frames 8 and 8 is provided.
Up and down adjustment is performed by the expansion and contraction operation of, that is, the adjustment of the digging depth is performed, and it can be folded from the middle of the side frames 8 and 8 to the fuselage side together with the digging conveyor 10. 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. Further, the brackets 13 and 13 projecting forward from the left and right side frames 8 and 8 are provided with a ridge following device 14 that follows the movement of the machine body along the length direction of the ridge to be harvested.

The ridge-following device 14 is provided with a pair of wheels 15 and 15 which are in contact with the inclined shoulders of the ridge to be harvested so as to face each other. It is supported so that it can be adjusted up and down and that it can be adjusted to move left and right by means of slide mechanisms 17, 17. The pair of wheels 15 and 15 have a camber angle. The side frame 8 of the excavation conveyor device 6 is provided with a power connecting / disconnecting mechanism (not shown) near the folding portion. An auxiliary worker boarding device 18 on which an auxiliary worker who carries out pretreatment of the harvested and conveyed crops is boarded is arranged beside the digging conveyor device 6. The auxiliary worker boarding device 18 is composed of a step 18a, a vertically adjustable and rotatable seat 18b, and a handrail 18c, and can be removed when not needed.

A second conveyor 19 which is a rod (bar) conveyor type selection conveyor is disposed at a rear position of the fuselage behind the digging conveyor device 6, and the second conveyor 19 is provided.
A rake-shaped transfer body 31 that vibrates in the up-down direction is provided at the end of the conveyance of, and is connected to a third conveyor 33 which is a rope conveyor type selection conveyor. Delivery body 3
The front end of the first conveyor 1 is arranged so as to be in contact with the third conveyor, and the rope of the third conveyor 33 vibrates vertically due to the vibration of the transfer body 31. The openings of the containers 32, 32 mounted on the harvested product mounting device 25 are exposed below the third conveyor 33 and at the end of the conveyance.

On one side of the second conveyor 19 in the transfer direction, the operator boarding device 20 on which the operator who operates the control section 7 and the selection work is on board, and the operator who carries out the selection work on the other side. A sorting operator boarding device 21 is provided. A clutch lever 22 that can be operated in conjunction with the traveling clutch lever provided in the control section 7 and the clutch lever of the digging conveyor 10 is provided near the sorting operator boarding device 21. The both boarding devices 20 and 21 are seats 2 that are vertically adjustable and rotatable with steps 20a and 21a, respectively.
It is composed of 0b and 21b. Further, handrails 23, 23 also serving as strength members of the machine body 2 are provided at front positions of the two boarding devices 20, 21 facing the sorting conveyor 19.

The selection conveyor 33 which is the third conveyor
Can be easily replaced with another type having a different selection form, if necessary, but the rope type conveyor 33 of this embodiment has
As shown in FIG. 1, a pair of front and rear pulleys 35, 35 are pivotally supported, and a large number of ropes 36 are wound at predetermined intervals between the pulleys 35, 35. A large number of short horizontal bars 36a, 36a, ... Are fixed to every other rope 36, 36. Further, among the ropes 36 that do not have the horizontal bar 36a, the pulleys 35,
The side frames 34, 3 from the lower front part in a state of being wound between 35
The tension roller 37 supported by the tension roller 37 applies tension to the ropes 36 so that the vertical intervals of the ropes 36 are close to each other.

A cam ring 39 is fixed to one of the shaft end portions of the rotary shaft 38 of the rear pulley of the second conveyor 19 at the outer periphery thereof with the cam surface facing outward. Opposed to the cam surface of the cam wheel 39, the swing arm 42 of the vibration mechanism of the transfer body 31 is mounted on the side frame 40 of the conveyer 19 at the upper end of the shaft 4.
1 is swingably supported in the front-back direction, and a tension spring 43 is provided between the lower end of the swing arm 42 and the side frame 40.
The cam roll 44 pivotally supported by the swing arm 42 is in contact with the cam surface of the cam ring 39. And
A transfer body vibrating arm 45 in which the transfer body 31 is connected to the swing arm 42 is connected, and the transfer body 31 is vertically vibrated, and the ropes 36, 36 of the third conveyor 33 are ...
Is made to vibrate up and down.

The harvesting device 25 provided at the rear of the third conveyor 33 is a carrier-like device capable of mounting a large number of containers 32 containing harvested products, and can be vertically adjusted by changing the front end of the machine. It is possible to rotate the front end portion as a center and to displace between a use state in which the front end portion is projected to the rear of the machine body and a stored state in which the machine body side is erected. Then, as shown in FIG. 3, a plurality of containers 32 are arranged to accommodate the harvested products. Moreover, as shown in FIG.
It is also possible to provide an auxiliary table 25a and an elastic holding mechanism 25b whose supporting posture gradually changes depending on the weight of the harvested products stored in the container 32. Although not shown, an overhanging portion may be provided at steps 20a and 21a of both the boarding devices 20 and 21 to mount a container for containing harvested products.

A straddle frame 26 is provided so as to extend above the handrails 23 and 23 so as to straddle over the second conveyor 19 and the excavation conveyor 10. The straddle frame 2
A light 27 that illuminates the front and rear directions of the machine body is attached to the vehicle 6. In addition, the parasol mounting seat 2 is attached to the tip of the support arm 28 that extends rearward with the base end fixed to the straddle frame 26.
A parasol 30 is tiltably and fixedly supported in all front, rear, left, and right directions via 9. The parasol 30 shades the 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 column of the parasol 30.

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. To change gears, connect power transmission via side clutch and differential device,
The crawlers 3 and 3 are disengaged so that the crawlers 3 and 3 are continuously and stepwise changed. A brake device is also provided in association with the differential device. Then, when the steering lever is largely operated, the side clutch, the differential mechanism, and the brake are actuated so as to turn the aircraft into a super-complex turn.

Further, as described above, the digging conveyor 10
The moving speed of the crawler can be adjusted continuously and stepwise, and by combining this with stepless or stepwise traveling of the crawlers 3 and 3, the digging work speed can be freely set. When the potato harvester 1 is not in use, the digging conveyor device 6 is configured to rotate the digging conveyor device 6 as a whole by a rotating portion 10a.
, Or as shown in Fig. 3, fold the tip part to the side of the machine to rotate it to the stowed state, shorten the length of the machine and load it on the carrier of a light truck for transportation. Also, it can be stored in a warehouse, etc., and the headland can be turned in a small area.

Next, the operation of the potato harvester 1 configured as described above will be described. The potato harvester 1 harvests the wheels 15 and 15 of the ridge-following device 14 when harvesting root vegetables such as sweet potato, potato, onion, beet, taro, konjac potato, ginseng, and lacquer root from the field. The digging conveyor device 6 is rolled on both inclined shoulders of the target ridge.
The excavation blade 9 is vertically moved by the hydraulic cylinder 11 to adjust the excavation depth, the harvested product is excavated by the excavation blade 9 by the forward movement of the machine body, and this is conveyed with the soil by the excavation conveyor 10. Lift up diagonally above the aircraft. During this transportation, soil falls from between the link rods, and a worker sitting on the auxiliary worker boarding device 18 performs a pretreatment to remove vines, foliage, large soil blocks, stones, etc. other than root vegetables.

Only the root vegetables in the harvest discharged from the end of the digging conveyor 10 onto the second conveyor 19 are
A worker who sits on the worker boarding device 20 and the selecting worker boarding device 21 selects through the handrails 23, 23, conveys the second conveyor 19 closer to one side in the moving direction, and conveys the vibrating body from the end of conveyance. It is sent to the third conveyor 33 via 31. In the third conveyor 33, potatoes are rope 3
6 and 36 and horizontal bars 36a, 36a ... While being conveyed, they are subjected to vibration by the transfer body 31 to drop soil and small potatoes, and the remaining medium and large-sized potatoes in the container 32 below. Is the container 3 in front of the end of its transport
Accommodated in 2.

Here, the potato harvester 1 has an engine 4, a transmission 5, and an operating portion (operating system) 7 arranged in front of the crawlers (traveling devices) 3 and a worker boarding device in the rear thereof. By disposing 20, the sorting operator boarding device 21 and the harvesting device 25, the front-rear and left-right balance of the machine body 2 is improved, and workability and work accuracy are improved.
The runnability, turning performance, and stability of the machine body 2 are improved. Further, since the traveling device (crawler 3, 3) is configured to be capable of super turning, and the transmission 5 is disposed in the central portion on the front side of the machine body, it can be moved to the left or right when the machine body 2 makes a super world turning. You can also turn in a well-balanced 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 for following the movement of the machine body along the length direction of the ridge to be harvested, and a pair of wheels rolling on both inclined shoulders of the ridge to be harvested. 15 are provided so as to face each other and are supported so as to be vertically adjustable and horizontally adjustable with respect to the digging conveyor device 6, so that both wheels 15 accurately follow the ridges to be harvested to automatically steer the machine body and dig it. Automatic digging / conveyance is performed by the take-up conveyor device 6. 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 the machine body steering operation at the ridge end of the ridge to be harvested. When the headland is turned at the end of the field, the excavation conveyor device 6 is folded by the hydraulic cylinder 12 so that the crawlers 3 and 3 can be turned at a small turning radius together with the super-field turning.

In addition to the potato harvesting work, the potato harvesting machine 1 of the present invention can be used not only for the harvest of empty cans, empty bottles, wood chips, etc., which are left on the coast or dunes. Can be done. In that case, the ridge-following device 14 may be removed or it may be made to function as a device for adjusting the digging depth of the digging blade 9. Further, the second conveyor 19, the vibrating delivery 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.

[0023]

As described above, according to the agricultural product harvesting machine of the present invention, the following effects can be obtained. A sorting device or a preparation device consisting of a rope-shaped conveyor is used as the third conveyor of the agricultural product harvester, and a rake-shaped transfer body is provided between the third conveyor and the second conveyor, and this transfer body can be vertically vibrated. Therefore, the agricultural product is not caught between the third conveyor and the second conveyor. Further, the vertical vibration of the transfer body allows the agricultural product to be transferred to the third conveyor satisfactorily. Furthermore, the accumulation of agricultural products between the third conveyor and the second conveyor is eliminated, and the soil is satisfactorily sorted.

Since the tip of the transfer body is arranged so as to contact the third conveyor and the third conveyor is vibrated by the vibration of the transfer body, the third conveyor (rope conveyor) is vibrated. Does not require a vibration device,
The configuration is simple. In addition, it is possible to improve the sorting performance of the third conveyor and the delivery body. The transfer body is vibrated by an oscillating device provided at one end of the rear support shaft of the second conveyor, and the oscillating device is integrally provided on a support member of the rear support shaft of the second conveyor. Therefore, the structure of the exciter for the delivery body is simplified. Further, even if the tension of the second conveyor is adjusted, it does not affect the vibrating device of the transfer body.

[Brief description of drawings]

FIG. 1 is a side view of a transfer body and a third conveyor portion according to the present invention.

FIG. 2 is a plan view of the entire potato harvester according to the present invention.

FIG. 3 is a side view of the same.

FIG. 4 is a perspective view of the same.

[Explanation of symbols]

1 potato harvester 2 machine body 3 crawler 4 engine 5 transmission 6 digging conveyor device 7 control 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 the digging conveyor device 13 Bracket 14 Ridge tracking device 15 Wheel 16 Vertical adjustment mechanism 17 Slide mechanism 18 Auxiliary operator boarding device 18a Step 18b
Seat 19 Second conveyor (bar type sorting conveyor) 20 Worker boarding device 20a Step 20b Seat 21 Sorting worker boarding device 21a Step 21b
Seat 22 Clutch lever 23 Handrail that also serves as a strength member of the airframe 24 Space portion 25 Harvesting device 25a Auxiliary platform 25b Bullet holding mechanism 26 Crossing frame 27 Light 28 Support arm 29 Parasol mounting seat 30 Parasol 31 Transfer plate 31a Sliding contact rod 31b Pivot Branch 32 Container 33 Third conveyor (rope type selection conveyor)
33a Sorting conveyor 34 Side frame 35 Pulley 36 Rope 36a Horizontal bar 37 Tension roller 38 Rotation shaft of rear pulley of second conveyor 39 Cam ring 40 Side frame of second conveyor 41 Shaft 42 Swing arm 43 Tension spring 44 Cam roll 45 Passing body Vibrating arm

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Toru Abe 684 Nakamune, Okayama City, Okayama Prefecture Kobashi Kogyo Co., Ltd.

Claims (3)

[Claims] 1. A sorting device or a preparation device comprising a rope-shaped conveyor is used as a third conveyor of an agricultural product harvesting machine, and a rake-shaped delivery body is provided between the third conveyor and the second conveyor. An agricultural product harvester characterized by being configured to vibrate vertically. 2. The agricultural product according to claim 1, wherein the tip end of the delivery body is arranged so as to contact the third conveyor, and the third conveyor is vibrated by the vibration of the delivery body. Harvester. 3. The transfer body is vibrated by an oscillating device provided at one end of the rear support shaft of the second conveyor, and the oscillating device is mounted on a support member of the rear support shaft of the second conveyor. It is integrally provided, The claim 1 or 2 characterized by the above-mentioned.
Agricultural product harvesting machine described.