JPH069414U - Agricultural product harvester - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an agricultural product harvester mainly for harvesting root vegetables such as sweet potato, potato, onion, beet, taro, konjac potato, short root ginseng, and lacquer root. [Configuration] A worker having left and right traveling devices, provided with a digging conveyor for digging and transporting agricultural products vegetated in the field and a sorting conveyor for sorting, and a worker for performing sorting work on the side of the sorting conveyor. Is a self-propelled agricultural product harvesting machine equipped with a worker boarding device, in which a conveyance assisting body that lightly presses a conveyed object while following the movement direction of the conveyor is provided at the conveyance start end of the digging conveyor. . The transport auxiliary body was composed of a strip-shaped flexible object. The conveyance assisting body was composed of a flexible object in the shape of a blind.
The transport aid was composed of a transparent material.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention mainly relates to an agricultural product harvesting machine for harvesting root vegetables such as sweet potato, potato, onion, beet, taro, konjac potato, ginseng, and lacquer root.

[0002]

[Prior art]

 Conventionally, as an agricultural product harvester for harvesting root vegetables, for example, a potato tractor to be pulled by a riding tractor, a beat harvester, a potato digger, a riding tractor or a walking tractor equipped with a cutting blade, It is known that a digging conveyor device in which a link rod chain conveyor is connected to the rear of the blade is installed.

[0003]

[Problems to be solved by the device]

 The above-mentioned potato harvester, beet harvester, potato digger, etc. are as large as imported products and are suitable for use in large fields such as Hokkaido, but are suitable for use in small fields. Was not suitable, and it was a specialized machine and lacked in versatility.

Therefore, the applicant has left and right traveling devices, provides a digging conveyor for digging and transporting agricultural products vegetated in the field, and a sorting conveyor for sorting, and the side of the sorting conveyor. We propose a self-propelled agricultural product harvester that has a worker boarding device on which a worker who carries out the sorting work is installed, and a scraping roller is installed at the transport start end of the digging conveyor. Further, the scraping roller has a problem that the production cost is high and the weight is heavy. The present invention is intended to solve the above problems.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides (1) a left and right traveling device, which is provided with a digging conveyor for digging and transporting agricultural products vegetated in a field and a sorting conveyor for sorting, In a self-propelled agricultural product harvester equipped with a worker boarding device for a worker who carries out the sorting work on the side of the sorting conveyor, the transport start end of the digging conveyor is followed while being transported while following the conveyor moving direction. Provided with a transfer auxiliary body that gently holds down the object, (2) the transfer auxiliary body is composed of a strip-shaped flexible object, and (3) the transfer auxiliary body is composed of a ball-shaped flexible object. (4) The transport auxiliary body is made of a transparent material.

[0006]

[Action]

 With the above configuration, the agricultural product harvester of the present invention has the following functions. By providing a transport auxiliary member at the transport start end of the digging conveyor that lightly presses the transported object while following the conveyor moving direction, the transport auxiliary body holds the transport object without damaging the transported object. And carry it securely. In addition, it has a simple structure and is lightweight and inexpensive. Since the transport auxiliary body is composed of a strip-shaped flexible object, each strip piece holds down the excavation conveyor for each transported object, and ensures reliable transport.

By constructing the auxiliary body for conveyance by a flexible object in the shape of a blind cone, the flexible object in the shape of a blind cone is lightly pressed so as to follow each of the objects to be conveyed, and the conveying action of the digging conveyor. To make sure. Since the transfer aid is made of a transparent material, the worker who sits on the worker boarding device and sorts the transported objects that are transported by the selection conveyor is The transportation status can be easily observed.

[0008]

【Example】

 Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In FIG. 4 to FIG. 7, reference numeral 1 is a potato harvester, and this potato harvester 1 is equipped with crawlers 3 and 3 which are paired to the left and right of the body 2 and enable super-spinning. An engine 4 is mounted on the body 2 on the front side of the crawlers 3 and 3, and a generator driven by an engine, 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 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 is inclined so that the tip side descends. 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 machine body 2 opposite to the engine 4.

In the excavation conveyor device 6, excavation blades 9 are attached to the tip portions of the left and right side frames (frames) 8, the link rods are provided between the side frames 8 and 8, and slats are provided at predetermined intervals. The digging conveyor 10 is wound, and the inclined lower end side is vertically rotatable around the rotating upper portion 10a of the inclined upper end, and the hydraulic cylinder 11 provided between the machine body 2 and the side frames 8 and 8 is expanded and contracted. The vertical movement is adjusted by the operation, that is, the digging depth is adjusted, and the digging conveyor 10 and the side frames 8 and 8 can be folded toward the fuselage side from the middle. The hydraulic cylinder 12 is used for folding and unfolding operations. The moving speed of the digging conveyor 10 can be adjusted steplessly or stepwise. Further, the brackets 13, 13 projecting forward from the left and right side frames 8, 8 are provided with a ridge tracking 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 that are in contact with the inclined shoulders of the ridge to be harvested so as to face each other, and both wheels 15 are vertically adjusted with respect to the digging conveyor device 6. It is supported so that it can be adjusted up and down by the slide mechanism, and can be adjusted in the left and right direction by the slide mechanism 17, 17. The pair of wheels 15 and 15 have a camber angle. On the side frame 8 of the excavation conveyor device 6, a power connection / disconnection mechanism (not shown) is provided near the folding portion. On the side of the digging conveyor device 6, an auxiliary worker boarding device 18 on which an auxiliary worker who carries out pretreatment of the harvested and conveyed crop is boarded is arranged. 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 transfer auxiliary body 31 made of a transparent substance is provided between the side frames 8 and 8 at the transfer start end of the digging conveyor 10 so as to lightly press the transferred object while following the moving direction of the conveyor. In the first embodiment of the conveyance assisting body 31, as shown in FIG. 1, a flexible rubber plate or a synthetic resin plate 32 is mounted on a support bar 32a which is hung between the side frames 8 and 8. It is supported by the width of the above and is in contact with the upper surface, and cuts 32b, 32b ... In the second embodiment of the transfer auxiliary body 31, as shown in FIG. 2, a flexible rubber plate or a synthetic resin plate 33 is attached to a cutout portion on a support bar 33a which is hung between the side frames 8 and 8. 33b, 33b ... Are formed in a strip shape. As shown in FIG. 3, in the third embodiment of the transfer auxiliary body 31, a flexible ball blind 34 is attached at a predetermined interval to a support bar 34a hung between the side frames 8 and 8. Is.

A sorting conveyor device 19 for carrying out sorting work while placing and transferring the harvested products is arranged at a rear position of the machine body behind the digging conveyor device 6. The operator boarding device 20 on which the operator who carries out the operation of the control unit 7 and the sorting work is mounted on one side in the transfer direction of the sorting conveyor device 19 and the sorting work which is carried on the other side by the worker who carries out the sorting work. A passenger boarding device 21 is provided. A clutch lever 22 that can be operated in cooperation 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 composed of steps 20a and 21a and seats 20b and 21b which are vertically adjustable and rotatable. Further, handrails 23, 23 also serving as strength members of the machine body 2 are provided at the front positions of the two boarding devices 20, 21 facing the selection conveyor device 19.

The sorting conveyor device 19 can be easily exchanged with a plurality of other types having different sorting modes as required. In this embodiment, the flat belt type is used, but in addition to this, a rod (bar) conveyor type, a rope conveyor type in which a plurality of short horizontal bars are fixed to every other rope at predetermined intervals, and a large number of tees are used. It is possible to attach or detach the taper roller type in which the super rollers are arranged side by side in the width direction with the front side thick and each roller is rotated. In addition to these, it is possible to replace with a sorting conveyor having a different sorting mode. A space 24 is formed below the sorting conveyor device 19. Although not shown, a sieve line is provided below the terminal end of the sorting conveyor device 19.

At the rear end of the machine body behind the sorting conveyor device 19, a harvested product mounting device 25 for mounting harvested products is arranged. The harvesting device 25 is a loading platform that can mount a number of containers that contain harvested products, and can be adjusted up and down by changing the front end of the machine. It can be moved to the use state that it is extended to the rear of the fuselage and the storage state that it stands upright on the fuselage side. Although not shown, an overhanging portion may be provided at steps 20a and 21a of both the boarding devices 20 and 21 so that a container for containing harvested products can be placed.

A straddle frame 26 is provided so as to extend above the handrails 23, 23 so as to straddle over the sorting conveyor device 19 and the excavation conveyor 10, and a light 27 that illuminates the front and rear directions of the machine body is attached to the straddle frame 26. Has been. Further, a parasol 30 is supported by a tip of a support arm 28, which has its base end fixed to the straddle frame 26 and extends rearward, via a parasol attachment seat 29 so as to be tiltable and fixable in all front, rear, left and right directions. The parasol 30 protects the workers sitting on the worker boarding device 20 and the selection worker boarding device 21 from awnings and rains. A fan or a radio may be attached to the pillar 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. The power transmission is engaged and disengaged via a side clutch and a differential device so that the crawlers 3 and 3 can be continuously and continuously varied. Further, a brake device is provided in association 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 aircraft into a super-sight turn.

Further, as described above, the excavation conveyor 10 is capable of continuously and stepwisely changing the moving speed thereof, which is combined with the stepless or stepwise traveling of the crawlers 3 and 3. Therefore, the mining work speed can be set freely. When the potato harvester 1 is not used, the digging conveyor device 6 rotates the digging conveyor device 6 as a whole around the rotating portion 10a, or as shown in FIG. It can be folded and rotated to the side of the machine for storage, and the front-rear length of the machine can be shortened so that it can be carried by loading it on the cargo bed of a light truck, or can be stored in a warehouse or the like, and the headland can be swung in a small area. I have to.

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 rakkyo from the field. The target ridge is rolled to both shoulders, and the digging blade 9 of the digging conveyor device 6 is vertically moved by the hydraulic cylinder 11 to adjust the digging depth, and the forward movement of the machine digs the harvested product. The blade 9 is used for excavation, and the excavation conveyor 10 lightly presses it with the conveyance assisting body 31 to prevent it from rolling down in the harvesting section, and lifts and conveys it together with the soil diagonally above the machine body. During this transportation, soil falls from between the link rods, and a worker sitting on the auxiliary worker boarding device 18 performs pretreatment to remove vines, foliage, large soil blocks, stones, etc. other than root vegetables. .

Only the root vegetables in the harvest discharged from the transport end of the digging conveyor 10 onto the sorting conveyor device 19 are handrailed by the operator sitting on the operator boarding device 20 and the selecting operator boarding device 21. , 23, and picked up and stored in a container (container) mounted on the harvesting device 25. The soil and foreign matters remaining on the sorting conveyor device 19 are dropped from the end of the transportation to the field through the space 24. The parasol 30 prevents the workers sitting on the worker boarding device 20 and the selection worker boarding device 21 from being directly exposed to the sunlight or rain.

Here, the potato harvester 1 has an engine 4, a transmission 5, and an operation unit (operation system) 7 arranged in front of the crawlers (traveling devices) 3 and a worker boarding device in the rear side. By disposing 20, the sorting operator boarding device 21 and the harvesting device 25, the front-rear, left-right balance of the machine body 2 is improved, workability and work accuracy are improved, and the runnability of the machine body 2 is improved. The turning performance and stability are improved. In addition, since the traveling device (crawler 3, 3) is configured to be capable of super-spinning, and the transmission 5 is disposed in the central portion on the front side of the airframe, when the airframe 2 makes a super-spinning turn, You can turn in a good balance in any direction. Therefore, the crawlers 3 and 3 do not attract the soil in the field greatly.

In front of the digging conveyor device 6, there is provided a ridge follower device 14 that follows the movement of the machine body along the length direction of the ridge to be harvested, and a pair of ridges to be rolled on the 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 ridge to be harvested and automatically operate the machine. Then, the digging conveyor device 6 automatically digs and conveys. 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 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.

The potato harvesting machine 1 of the present invention is used not only for the potato harvesting work, but also for the work of collecting abandoned empty cans, empty bottles, wood chips, etc., for example, on the coast or sand dunes. You can 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.

[0023]

[Effect of device]

 As described above, the agricultural product harvester of the present invention has the following effects. At the beginning of the conveyor of the digging conveyor, a conveyance auxiliary body is provided to lightly press the conveyed object while following the moving direction of the conveyor, so the conveyance auxiliary body holds down the conveyed object without damaging the conveyed object. To ensure reliable transport and prevent the transported object from rolling down. In addition, the transport assisting body has a simple structure and is lightweight and can be provided at a low cost. Since the transport auxiliary body is composed of a strip-shaped flexible object, each strip piece holds down the excavation conveyor for each transported object, and can be transported more reliably.

Since the transfer auxiliary body is composed of a ball-shaped flexible object, the ball-shaped flexible object is light and follows the respective objects to be transferred, and holds them without damaging the objects to be transferred. The digging conveyor ensures reliable transport. Since the transfer auxiliary body is made of a transparent material, the worker who sits on the worker boarding device and selects the transferred objects to be transferred by the selection conveyor does not You can easily check the transport status and continue working with peace of mind.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment of a conveyance assisting body according to the present invention.

FIG. 2 is a perspective view of a second embodiment of the conveyance auxiliary body.

FIG. 3 is a perspective view of a third embodiment of the conveyance assisting body.

FIG. 4 is a plan view of the whole potato harvester according to the present invention.

FIG. 5 is a side view of the same.

FIG. 6 is a rear view of the same.

FIG. 7 is a perspective view of the same.

[Explanation of symbols]

1 potato harvester 2 machine body 3 crawler 4 engine 5 transmission 6 excavation conveyor device 7 control part 8 side frame (frame) 9 excavation blade 10 excavation conveyor 10a rotating part 11 hydraulic pressure for vertical movement adjustment of excavation 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 Sorting conveyor device 20 Worker boarding device 20a Step 20b Seat 21 Sorting worker boarding device 21a Step 21b
Seats 22 Clutch levers 23 Handrails that also function as strength members 24 Spaces 25 Harvesting equipment 26 Crossing frames 27 Lights 28 Support arms 29 Parasol mounting seats 30 Parasols 31 Transport aids 32 Rubber plates or synthetic resin plates 32a Support bars 32
b notch 33 rubber plate or synthetic resin plate 33a support bar 32
b Cutout part 34 Ball blind 34a Support bar

Claims (4)

[Scope of utility model registration request] 1. A left and right traveling device is provided, which is provided with a digging conveyor for excavating and transporting agricultural products vegetated in a field and a sorting conveyor for sorting, and for sorting work on the side of the sorting conveyor. In a self-propelled agricultural product harvester equipped with a worker boarding device on which a worker rides, a transfer auxiliary body that lightly presses the object to be transferred while following the moving direction of the conveyor was provided at the transfer start end of the digging conveyor. Agricultural product harvesting machine characterized by that. 2. The agricultural product harvesting machine according to claim 1, wherein the conveyance assisting body is composed of a strip-shaped flexible object. 3. The agricultural product harvesting machine according to claim 1, wherein the conveyance assisting body is constituted by a ball-shaped flexible object. 4. The agricultural product harvesting machine according to claim 1, 2 or 3, wherein the transport auxiliary body is made of a transparent substance.