JP2003079217A - Harvested product-receiving bag-putting device of crop harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To liftably dispose a harvested product-receiving bag-putting device for putting a harvested product-receiving bag thereon in a crop harvester for digging, transporting, separating and receiving root vegetables such as sweet potatoes, potatoes or konjak mannan. SOLUTION: This crop harvester 1 on whose self-propelled machine frame 2 a digging conveyer device 6 for digging crops from a field and then transporting the dug crops is disposed from the lower front portion of the machine frame to the rear portion of the machine frame via the central upper portion of the machine frame and in which a separating conveyer 17 is disposed just behind the digging conveyer device 6. (1). In the harvested product-receiving bag-putting device 16, a bag-supporting tool 19 which can hold the opening portion of the receiving bag 18 in an opened state and lift the receiving bag 18 is detachably disposed on a putting table 17 for putting the receiving bag 18 thereon. (2). The receiving bag-putting table 17 is disposed in a state capable of being rotated between an approximately horizontal position and a downward inclined position on a rotation shaft 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvest storage bag placing device for placing a harvest storage bag in which root vegetables such as sweet potatoes, potatoes, konjac potatoes are dug out from a field and conveyed, and selected and stored. The present invention relates to an agricultural product harvesting machine.

[0002]

2. Description of the Related Art Conventionally, there has been known an agricultural product harvesting machine for harvesting root vegetables such as sweet potato, potato and konjac potato from a field. In such an agricultural product harvester, the self-propelled machine is provided with a digging conveyor device for digging and transporting agricultural products in the field from the front of the machine lower part through the upper part of the machine central part to the rear part of the machine body. In general, a sorting conveyor is continuously provided in the above, and a container stand for placing a container for containing harvested products is provided behind the sorting conveyor at the rear of the machine body. On the other hand, there is also known a technique of storing harvested products sorted by a sorting conveyor in a harvested product storage bag.

[0003]

[Problems to be Solved by the Invention] For example, when harvesting sweet potatoes with an agricultural product harvester, depending on the variety and application, the harvested product is stored in a mini container (capacity of about 20 kg) and a storage bag (about 300 kg).
There are two types of work systems that can be accommodated within a capacity of up to 500 kg. The current mainstream is the container-based format, which is widely adopted. On the other hand, when using a storage bag, it takes time to store the harvested product in the storage bag,
Since the weight of the storage bag that contains the harvested products is heavy, the handling is not easy, and the harvester becomes large and expensive. There is also a detachable bag-carrying truck for loading and moving a storage bag containing harvested products at the rear of the container harvester, but this has the problem of poor work efficiency. It was

In order to solve the above problems, the present invention utilizes a container platform elevating device attached to the rear part of a harvester, which is detachably attached to the machine body, and which is almost centered around a rotating shaft. By holding the opening of the storage bag in an open state and detachably providing a bag support that can be moved up and down, above the storage bag placement table that can be rotated between a horizontal position and a downwardly inclined position, a storage bag can be attached. The harvest work can be easily carried out in the
It will be easy to handle the storage bag containing the harvested products.
It is an object of the present invention to provide a harvest storage bag placing device for an agricultural harvester.

[0005]

In order to achieve the above object, the present invention is characterized by having the following configuration. A. On the self-propelled aircraft, from the front of the fuselage to the rear of the fuselage through the upper center of the fuselage, a digging conveyor device for digging and transporting agricultural products in the field is provided, and a grading conveyor is provided continuously to the digging conveyor device, An agricultural product harvester provided with a placing device for placing a harvest storage bag at the rear of the machine body behind the sorting conveyor, wherein the harvest storage bag placement device is a placement device for placing a storage bag. A bag support that can be moved up and down while holding the opening of the storage bag in an open state is detachably provided above the table.

B. The storage bag mounting table is provided so as to be rotatable about a rotation axis between a substantially horizontal position and a downwardly inclined position.

[0007]

Function: A. And B. With the above configuration, the harvested product storage bag placing device of the agricultural product harvester of the present invention performs the following actions. ． The harvest storage bag placing device is provided on the storage bag by holding the opening of the storage bag in an open state above the mounting table on which the storage bag is placed so that the bag support that can be raised and lowered is detachable. When you start to put the harvested products, lower the opening of the storage bag by the bag support to lower it to make it easier to store the harvested products. By sequentially raising the opening of the storage bag to a high position, the harvested product can be easily stored in the storage bag. Further, the storage bag placing table and the bag supporting tool can be removed and replaced with the container placing table.

[0008] The storage bag placing table is provided so as to be rotatable about a rotation axis in a substantially horizontal position and a downward inclined position, so that the storage bag containing the harvested product has the storage bag placing table centered on the rotation axis. The storage bag can be slid down onto the ground by pivoting to a downwardly inclined position. Therefore, it becomes easy to handle the storage bag in which the harvested product, which is a heavy product, is stored.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 is a potato harvester, and this potato harvester 1 is a crawler that forms a left-right pair on a body 2 that is long in the front-rear direction and that makes a left-right turn or a super-right turn. Equipped with 3. The engine 4 is attached to the fuselage 2 near the one side of the front and rear of the crawler 3.
Is mounted, 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 between the crawlers 3 at a lower position on the front side of the machine body 2. In addition, the agricultural products (potatoes) vegetated in the field are dug from the lower front part of the machine body 2 through the transmission 5 to the upper center part of the machine body, and are conveyed toward the rear. A device 6 is provided, and the conveyor device 6 has a front portion pivotally supporting an intermediate portion so that the front portion can move up and down. On the other side of the machine body 2 on the opposite side of the engine 4, a control unit (not shown) is provided.

The digging conveyor device 6 is a bar conveyor in which digging blades 8 are attached to the tips of the left and right side frames (frames) 7, link rods are provided between the side frames 7, and slats are arranged at predetermined intervals. (Not shown) is wound, and the tilted lower end side is vertically rotatable about the rotating part of the tilted upper end portion of the hydraulic cylinder (not shown) interposed between the machine body 2 and the side frame 7. By the expansion and contraction operation, the vertical movement is adjusted, that is, the digging depth of the digging blade 8 is adjusted. Further, the side frame 7 can be folded to the machine body side together with the bar conveyor, and the folding and unfolding operations are performed by a hydraulic cylinder (not shown).
The moving speed of the bar conveyor can be adjusted continuously or stepwise.

A rotary gap is provided between the digging blade 8 and the bar conveyor so that at least the slat can rotate. A rotary gap is provided between the rear portion of the digging blade 8 and the front end of the bar conveyor. A flexible plate such as a rubber plate is provided so as to be vertically movable in contact with the rotating slat. Brackets 9 protruding forward from the left and right side frames 7
In addition, the ridge tracking device 10 that follows the movement of the machine body along the length direction of the ridge to be harvested is provided. This ridge following device 1
No. 0 is provided with a pair of left and right wheels 11 rollingly contacting both inclined shoulders of the ridge to be harvested, and both wheels 11 are supported by the excavation conveyor device 6 so that they can be adjusted vertically and horizontally. . The pair of wheels 11 has a camber angle.

The side frame 7 of the digging conveyor device 6 has
It is located near the intermediate folding part and is not shown,
A power connecting / disconnecting mechanism (clutch) is provided that is connected to power when the digging conveyor device 6 is deployed to a use state and disconnects power when folded. Seats 12 for auxiliary workers, on which auxiliary workers who perform pretreatment of harvested products excavated from a field and conveyed by a bar conveyor, are provided on the left and right sides of the digging conveyor device 6. A step 13 is provided below the auxiliary worker seat 12, and a container mounting table 14 is provided on the front side of the auxiliary worker seat 12 in a detachable and vertically rotatable manner.

A belt conveyor type sorting conveyor 15 is disposed at a rear position of the vehicle body behind the digging conveyor device 6, and a vehicle body 2 further behind the sorting conveyor 15 is provided with:
The harvest storage bag placing device 16 shown in FIGS. 2 to 4 is provided. The harvest bag mounting device 16 can be moved up and down by holding a storage bag mounting table 17 that can be attached to and detached from the machine body 2 and holding the opening of the storage bag 18 above the storage bag mounting table 17 in an open state. It is composed of a removable bag supporter 19. The storage bag placing table 17 has a front end portion that can be attached to and detached from the machine body 2, and has a lock control mechanism 21 at a substantially horizontal position and a downwardly inclined position about a rotation shaft 20 provided at a front and rear intermediate portion.
The caster type wheel 22 is provided on the lower side.

The bag support 19 is mounted on the mounting frame 25 which is vertically movable along the pair of left and right guide pillar frames 23 mounted on the machine body 2 through the lifting cylinder 24. The base end is detachably attached. In addition, the guide pillar frame 23 is the body 2
It is removable with respect to. These guide pillar frames 2
3, the elevating cylinder 24, the mounting frame 25, etc. originally attach / detach a container mounting table for mounting a container for containing harvested products. Therefore, the harvesting machine can be switched to the container storage type by removing the storage bag mounting table 17 and the bag support 19 of the present invention and attaching the container mounting table.

Located on one side of the sorting conveyor 15 behind the control section, a worker's seat and steps (both not shown) for an operator carrying out the control operation and the selection work are provided. On the other side of the sorting conveyor 15 facing the passenger seat, a sorting operator's seat 26 and a step 27 on which an operator who carries out the sorting operation is aboard are provided. A clutch lever (not shown) that can be operated in conjunction with a clutch lever provided in the control section is provided in the vicinity of the sorting operator's seat 26, and the vehicle travels and the digging conveyor device 6 in an emergency,
The driving of the sorting conveyor 15 and the like can be stopped. The operator seat and the sorting operator seat 26 are supported so as to be vertically adjustable and horizontally rotatable, respectively. Further, a container mounting table 28 is provided on the outer side of the engine 4 and the control section so as to be detachable and rotatable up and down.

A straddle frame 29 is provided so as to straddle above the sorting conveyor 15 and the digging conveyor device 6, and a light 30 for illuminating the front and rear directions of the machine body is attached to the straddle frame 29. Although not shown, a support arm may be fixed to the straddle frame 29, and a parasol may be supported at the tip of the support arm to shade the worker sitting on the seats 12, 26 or the like. A fan or radio may be attached.

The transmission 5 that receives power from the engine 4 to change gears is equipped with a hydraulic continuously variable transmission (HST), which is not shown in the figure, and has continuously variable gears via the gears. The power transmission from the engine 4 side is connected / disconnected via the side clutch and the differential device so that the crawler 3 travels continuously and stepwise. Then, when the steering lever is largely operated, the side clutch, the differential mechanism and the like are actuated so as to turn the aircraft to a solid turning or a super turning.

Further, as described above, the bar conveyor is capable of continuously and stepwisely changing its moving speed, and by combining this with the stepless or stepwise running of the crawler 3, the excavation work can be carried out. The speed can be set freely. When the potato harvester 1 is not used, the digging conveyor device 6 is
The whole excavation conveyor device 6 is rotated around the rotation part, or the tip end side part is folded upward from the middle part of the excavation conveyor device 6 and rotated toward the machine body to be in the storage state. The length is shortened so that it can be loaded on the bed of a truck for transportation, and can be stored in a warehouse or the like, and the headland can be swung in a small area.

Next, the operation of the potato harvester 1 configured as described above will be described. For example, when harvesting sweet potatoes from the field, the potato harvester 1 rolls the wheel 11 of the ridge-following device 10 on both inclined shoulders of the ridge to be harvested, and the digging blade 8 of the digging conveyor device 6 is used. Adjust the digging depth and move the aircraft forward. Then, the digging blade 8 digs up the ridge to be harvested in the vertical direction, and the digged harvested material and foreign matters are conveyed by the bar conveyor and the slats of the digging conveyor device 6 toward the rearward and obliquely upper side of the machine body. Then, the harvested product conveyed backward and obliquely upward by the endlessly rotating bar conveyor and the slats is brought to the sorting conveyor 15 from the transporting end, where it is sorted by the operator, and the sorted harvested product is It is placed on the storage bag mounting table 17 and is stored in the storage bag 18 whose opening is held open by the bag support tool 19.

In the bar conveyor, the soil is dropped between the bars of the bar conveyer while the harvested product is being conveyed along with the soil and is being lifted up and conveyed obliquely upward of the machine body, so that the auxiliary worker's seat 12
A worker who sits in the room performs pretreatment to remove vines, foliage, large soil blocks, stones, etc. other than root vegetables. The harvested products discharged from the transport end of the bar conveyor onto the sorting conveyor 15 are sorted by a worker sitting on the worker seat 26, and vertically adjusted by the lifting cylinder 24 so that the opening has an appropriate height. It is stored in the storage bag 18 that is kept (see FIGS. 2 and 3). The storage bag 18 with the full harvest is removed from the bag support 19 and the opening is closed.
The lock control mechanism 21 is operated to rotate the storage bag placing table 17 to the inclined position about the rotation shaft 20 and slide it down on the ground (see FIG. 4).

Here, the potato harvester 1 comprises a crawler (traveling device) 3, a digging conveyor device 6, and a sorting conveyor 15.
By arranging the engine 4, the transmission 5, the operation unit (operation system), the seats 12, 26, and the container mounting bases 14, 28 in the body 2 with the center as the center,
The front-rear and left-right balance of the machine body 2 is improved, workability and work accuracy are improved, and the runnability, turning performance, and stability of the machine body 2 are improved. In addition, since the traveling device (crawler 3) is configured to be capable of turning to the ground or to the super-ground, and the transmission 5 is arranged in the central portion on the front side of the machine body, even when the machine body 2 makes a sharp turn, it can be turned left or right. You can also turn in a well-balanced direction. Therefore, the crawler 3 does not attract the soil in the field greatly.

In front of the digging conveyor device 6, there is provided a ridge tracking device 10 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. 11 are provided so as to face each other so that the excavation conveyor device 6 can be adjusted vertically and horizontally, so that both wheels 11 can accurately follow the ridges to be harvested to automatically steer the machine body and excavate. Automatic digging / conveyance is performed by the take-up conveyor device 6. Therefore, the operator sitting on the operator's seat 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 so that the crawler 3 can be turned rapidly and can be turned with a small turning radius.

[0023]

As described above, according to the harvest storage bag placing device of the agricultural harvester of the present invention, the following effects can be obtained by having the configurations described in claims 1 and 2. ． Since the harvest storage bag placing device is detachably provided with a bag support that can be lifted up and down by holding the opening of the storage bag in an open state above the mounting table on which the storage bag is placed, When you start to put the harvested products, lower the opening of the storage bag by the bag support to lower it to make it easier to store the harvested products. With this, the opening of the storage bag is sequentially raised to a high position so that the harvested product can be easily stored in the storage bag. Also, remove the storage bag placement table and bag support,
Can be replaced with a container platform.

[0024]. Since the storage bag mounting table is provided so as to be rotatable about a rotation axis in a substantially horizontal position and a downward inclined position, a heavy storage bag containing harvested products is rotated by rotating the storage bag mounting table. The storage bag can be slid down onto the ground by rotating downward about the axis to a tilted position. Therefore, it is possible to easily handle the storage bag that contains the harvested product that is a heavy item.

[Brief description of drawings]

FIG. 1 is an overall side view of an agricultural product harvester according to the present invention.

FIG. 2 is a side view of the main part.

FIG. 3 is a side view showing an operation of the main part.

FIG. 4 is a side view showing an operation of the main part.

[Explanation of symbols]

1 potato harvester 2 aircraft 3 crawlers 4 engine 5 transmission 6 excavation conveyor device 7 side frame (frame) 8 digging blade 9 bracket 10 Ridge tracking device 11 wheels 12 Auxiliary worker seat 13,27 steps 14,28 Container mounting table 15 Sorting conveyor 16 Harvest storage bag placement device 17 Storage bag stand 18 storage bags 19 bag support 20 rotation axis 21 Lock control mechanism 22 wheels 23 Guide pillar frame 24 Lifting cylinder 25 mounting frame 26 Seat for sorting workers 29 straddle frame 30 lights

Claims (2)

[Claims] 1. A self-propelled aircraft is provided with a digging conveyor device for digging and transporting agricultural products in a field from a lower part of the body to an upper part of the central part of the body to a rear part of the body, which is continuously connected to the digging conveyor device. An agricultural product harvesting machine provided with a sorting conveyor, and a placing device for placing the harvested goods storage bag at the rear of the machine body behind the sorting conveyor, wherein the harvested goods storage bag placing device is a storage bag. A harvest storage bag placement device for an agricultural harvester, characterized in that a bag support that holds the opening of the storage bag in an open state and is detachable is provided above the mounting table on which the . 2. The harvest of an agricultural product harvester according to claim 1, wherein the storage bag placing table is provided so as to be rotatable about a rotation axis in a substantially horizontal position and a downward inclined position. Object storage bag placement device.