JP3224644U - Yam harvesting machine - Google Patents

Abstract

An object of the present invention is to provide a yam harvesting machine in which a mounting table does not become an obstacle when moving or parking. The vehicle includes a chassis 1 towed and traveled, a transport conveyor 2 for transporting yams, and a platform 3 on which a container B for accommodating the yams is placed. A pair of traveling wheels T having axes orthogonal to each other in the direction are supported, the conveyor is arranged on the chassis with the upstream side in the transport direction facing the forward side in the traveling direction of the chassis, and the mounting table is configured to travel in the chassis. A second traveling wheel T2, which is disposed so as to project outward from an edge of the chassis parallel to the direction and has an axis parallel to the traveling wheel, is journalled, and the edge of the chassis with respect to the chassis. And is rotatably supported by an inverted shaft via a shaft parallel to the shaft. [Selection diagram] Fig. 1

Description

  The present invention relates to a yam harvesting machine for harvesting yam.

  As a yam harvesting machine for harvesting yam, there is known a yam harvesting machine used in a long root vegetable (yam) harvesting device as described in Patent Documents 1 and 2 below. In addition, while being towed by a traveling vehicle such as a tractor, a worker on board can harvest the yam.

Japanese Utility Model Registration No. 3192448 JP 2003-310020 A

The conventional yam harvesting machine described in Patent Literatures 1 and 2 is provided with a mounting table on which a plurality of large containers can be mounted in order to increase the efficiency of the harvesting operation in a large field, and the worker is transported. On the machine, the yam is removed from the soil, sorted, and the like, and stored in a container while being moved on the machine as necessary.
However, there is a problem that the conventional yam harvesting machine becomes large due to a mounting table large enough to hold a large container, and the mounting table becomes an obstacle when moving or parking. There is a demand for the development of a yam harvesting machine that does not sometimes interfere with the mounting table.

  In order to solve the above-mentioned problem, a yam harvesting work machine according to claim 1 includes a chassis that is towed and travels, a conveyor that transports the yam, and a mounting table on which a container that accommodates the yam is mounted. The chassis is supported by a pair of traveling wheels having axes perpendicular to the traveling direction in a plane direction, and the transport conveyor has an upper side in the transport direction on the chassis toward a forward side in the traveling direction of the chassis. The mounting table is arranged so as to protrude outward from an edge of the chassis parallel to the traveling direction of the chassis, and a second traveling wheel having an axis parallel to the traveling wheel is supported. And it is characterized in that it is pivotally supported on the chassis so that it can be turned upside down via a shaft parallel to the edge of the chassis.

  The mounting table is provided with a transfer conveyor that alternately transports containers on the mounting table to one and the other, and a chute that discharges the containers transported from the transfer conveyor to the outside of the machine. One end is disposed on the forward side of the vehicle, and the other end is disposed on the reverse side of the chassis in the traveling direction, and the transport direction is arranged parallel to the traveling direction of the chassis, and the chute is discharged in the backward direction of the chassis traveling direction. One end of the chute is connected to the end of the mounting table on the reverse side of the chassis, and is arranged in series with the transfer conveyor, and has an inclined surface that decreases from one end of the chute toward the other end. Preferably.

  A transfer table is provided on the rearward side in the traveling direction of the undercarriage, on which the container is mounted and the container is transferred to the mounting table. The transfer table has a vertical axis with respect to the undercarriage and is rotatably supported. And at the reverse side in the traveling direction of the undercarriage, at a position facing the end on the reverse side, and is mounted from a position facing the end on the reverse side in the traveling direction by rotation about a vertical axis. It is preferable to move to a position above the table.

  With such features, the yam harvesting machine of the present invention can provide a yam harvesting machine in which the mounting table does not become an obstacle when moving or parking.

1 is a perspective view of a yam harvesting machine according to an embodiment of the present invention. It is a front view of FIG. FIG. 2 is a plan view of FIG. 1. FIG. 2 is a side view of FIG. 1.

Hereinafter, an embodiment of the yam harvesting machine according to the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 4, the yam harvesting machine A includes a chassis 1 that is towed and travels, a conveyor 2 that transports the yam B1, and a mounting table on which a container B that accommodates the yam B1 is mounted. 3, a transfer conveyor 4 for alternately transporting the container B to one and the other on the mounting table 3, a chute 5 for discharging the container B transported from the transport conveyor 4 to the outside of the machine, and the container B placed thereon. And a transfer table 6 for transferring the container B to the mounting table 3.

  The yam harvesting machine A of the present embodiment picks up the yam B1 previously dug up and placed in the field and performs the harvesting operation by the pick-up device 7, but the dug-up device that digs up the yam B1 in the soil. (Not shown) can be attached.

  The traveling direction of the chassis 1 is forward and backward in the direction of the arrow shown in FIG. In the following description, the forward side is “front”, the reverse side is “rear”, the direction perpendicular to the front-rear direction in the plane direction is “left / right”, and the direction perpendicular to the front-rear direction is “up / down”. ".

As shown in FIGS. 1 to 3, the undercarriage 1 is provided with a conveyor 2 and a workbench 1 b on the upper surface of a work floor 1 a, and a pair of left and right shafts on the lower surface of the work floor 1 a. A traveling wheel T is supported.
The conveyor 2 and the workbench 1b are arranged side by side in the left-right direction. The yam B1 conveyed from the conveyor is placed on the workbench 1b, and mud or the like attached to the yam B1 on the workbench 1b is removed. Work such as sorting of the items.
Further, the yam B1 that has completed the above-mentioned operation on the work table 1b is put into a container B placed on the mounting table 3 and the transfer table 6.
A connecting portion 1c for connecting the digging device is provided in front of the chassis 1, so that the digging device can be connected as needed.

As shown in FIGS. 1 to 3, the transport conveyor 2 is arranged such that the upstream side in the transport direction is directed to the front side on the chassis 1 and the downstream side in the transport direction is directed to the rear side. From the rear.
A concave portion may be provided on the transport surface of the transport conveyor 2 so that the transported yam B1 can be held so as not to roll down.

Further, at the front end of the conveyor 2, as shown in FIGS. 1 and 2, a pick-up device 7 for picking up the yam B1 in the field is provided.
Here, the picking-up device 7 oscillates the rocking plate 70 that moves into the soil when the undercarriage 1 moves forward and swings back and forth and left and right in the soil, the hydraulic motor 71, and the rotation of the hydraulic motor 71. There is provided a link mechanism 72 for transmitting the plate 70 as a swinging operation in the forward and backward and left and right directions.
According to the picking-up device 7, the yam B1 placed on the field together with the soil can be picked up while the rocking plate 70 operates so as to swing back and forth and right and left in the soil when the chassis 1 moves forward. It is possible to pick up the yam B1 which is easily damaged and which significantly reduces the commercial value due to the damage, without being damaged.

As shown in FIGS. 1 to 3, the mounting table 3 is disposed so as to protrude leftward from a left edge 10 parallel to the front-rear direction of the chassis 1 and has a left-right axis. Two traveling wheels T2 are pivotally supported.
The mounting table 3 is connected to the edge 10 via a support shaft 1d having an axis parallel to the front-rear direction as shown in FIGS. 1 to 3, and as shown in FIG. It is supported so that it can be inverted and rotated about the axis of 1d.
The mounting table 3 is slidably supported in the front-rear direction with respect to the support shaft 1d.

The yam harvesting machine A in the present embodiment is a left-handed one in which the mounting table 3 is arranged on the left side of the chassis 1, but the yam-harvesting machine A of the present invention is not limited to the illustrated left-handed, The mounting table 3 may be arranged on the left side of the chassis 1 to be right-handed (not shown).
In this case, the end 10 connecting the mounting table 3 is the chassis 1 located on the right side, and the mounting table 3 is connected to the right side of the chassis 1 to be a right handed yam harvesting machine A.

That is, by setting the mounting table 3 in a state of being tilted during the harvesting operation (the mounting table 3 indicated by a solid line in FIG. 3), it is possible to place the container B on the mounting table 3 and perform a harvesting operation.
At this time, the state where the mounting table 3 is tilted can be supported by the second traveling wheel T2, and the second traveling wheel T2 rotates following the rotation of the traveling wheel T. It does not impair the running of the.
In addition, the horizontal width of the yam harvesting machine A can be narrowed by setting the mounting table 3 in an upright state (the mounting table 3 indicated by a virtual line in FIG. 2) when moving between fields or parking. It is easy to move between fields, and it is possible to park in a narrow parking space, and to facilitate a parking operation in a narrow parking space.
At this time, since the chassis 1 is supported by the pair of traveling wheels, the yam harvesting machine A can travel without any problem even when the mounting table 3 is in the upright position.
Further, since the mounting table 3 is slidably supported in the front-rear direction with respect to the support shaft 1d, the position of the mounting table 3 in the front-rear direction can be adjusted according to the work situation.

The support shaft 1d is provided with a lock device (not shown) for locking and unlocking the rotation of the mounting table 3 and the forward / backward slide. Can perform slide work.
Further, by locking the lock device in a state where the mounting table 3 is tilted, it is possible to prevent the mounting table 3 from jumping up and sliding back and forth due to vibration during traveling.
On the other hand, by locking the lock device with the mounting table upright, it is possible to prevent the mounting table 3 from falling down and sliding back and forth due to vibration during traveling.

The transfer conveyor 4 is provided on the mounting table 3 such that the transfer direction is freely movable in both a forward direction (one) and a rear direction (the other).
As an example of the use of the transfer conveyor 4, one container B is placed behind the transfer conveyor 4 (to the left of the workbench 1b), and the yam B1 is put in the placed container B.
Then, when the yam B1 becomes full in the container B, the container B is transported forward, and a new empty container B is placed in the empty space of the transfer conveyor 4, and the yam B1 is inserted.
This operation is repeated, and when the container B containing the yam B1 in the transfer conveyor 4 becomes full, the container B is transported backward, transferred to the chute 5, and discharged to the field via the chute 5.

Further, as another example, a plurality of containers B are placed on the transfer conveyor 4, and the yam B1 is put into the container B from the rearmost (the left side of the workbench 1b).
Then, when the yam B1 is full in the container B, the container B is transported backward and transported to the chute 5, and the empty container B on the front side is transported backward (to the left of the work table 1b). You.
When the empty container B is conveyed rearward (to the left of the workbench 1b), the transfer conveyor 4 is stopped, the operation of putting the sweet potatoes into the container B is performed, and the transfer conveyor vacated by the conveyance of the container B rearward. By sequentially placing empty containers B in the space on the front side of No. 4, harvesting of the yam B1 can be performed continuously.

As shown in FIGS. 1, 3, and 4, the chute 5 is made up of two members having the same structure on the left and right sides, and the discharge direction is set to the rear.
The chute 5 has a front end (one end) 5 a connected to a rear end (end) 30 of the mounting table 3, is arranged in series so as to be continuous with the transfer conveyor 4 on the rear side, and has a front end of the chute 5. It has an inclined surface 50 that becomes lower from 5a toward the rear end (the other end) 5b.
That is, the chute 5 allows the container B transferred from the transfer conveyor 4 to slide down to the inclined surface 50 and discharge the container B from the inclined surface 50 to the field by the continuous advance of the yam harvesting work machine A. .

The transfer table 6 is disposed at the rear end 11 of the chassis 1 as shown in FIGS. 1, 3 and 4, and the front end 60 of the transfer table 6 faces the rear end 11 of the chassis 1 in the front-rear direction. I have.
The transfer table 6 includes a left and right support plate 61 having the same structure, a rotating rod 62 that supports the support plate 61, and a rotatably supported rotatable shaft having a vertical axis with respect to the chassis 1. And a portion 63.

  As shown in FIGS. 1 and 3, the support plate 61 is for placing the container B thereon, and is capable of performing an operation of putting the yam B1 of the workbench 1b into the container B.

As shown in FIG. 3, the rotating rod 62 protrudes in the radial direction with respect to the rotating portion 63 and is engaged (square engagement, oval engagement, etc.) so as to rotate integrally with the rotating portion 63. It rotates in the same direction along with the clockwise rotation of 180 degrees, and by this rotation, the rear end 64 of the support plate 61 can be moved above the mounting table 3.
Further, the rotating rod 62 rotates in the same direction with the rotation of the rotating part 63 in the counterclockwise direction by 180 degrees, and this rotation causes the front end 60 of the support plate 61 to move in the front-rear direction with the rear end 11 of the chassis 1. It can be returned to the opposing position. .
The rotating rod 62 is vertically movably fitted to the rotating part 63 by the expansion and contraction power of a hydraulic cylinder (not shown). B can be placed in the working position.

  As shown in FIG. 3, the mounting position of the support plate 61 with respect to the rotating rod 62 is such that the rotating rod 62 moves clockwise from the position where the front end 60 of the supporting plate 61 faces the rear end 11 of the chassis 1 in the front-rear direction. The rear end 64 of the support plate 61 is set as a position movable above the mounting table 3 when rotated by 180 degrees.

  The rotating portion 63 is rotated by a rotating power of a hydraulic motor (not shown) or the like. As shown in FIGS. 3 and 4, the rotating rod 62 is located at the rear end side of the edge 10 of the chassis 1. It is attached at a position that does not interfere with the rear end 11 of the chassis 1 and the rear end 30 of the mounting table 3.

The transfer stand 6 puts the yam B1 into the container B on the rear end 11 side of the chassis 1, lowers the container B filled with the yam B1, lowers the container B to the field, and loads a new empty container B and raises it. Thereby, the operation of putting the yam B1 into the new container B can be performed.
In addition, the transfer stand 6 can put the yam B1 into the container B on the rear end 11 side of the chassis 1 and move the container B to the transfer stand 6 by rotation when the yam B1 is full.
That is, by moving the container B containing the yam B1 to the transfer table 6 on the rear end (end) 11 side of the chassis 1, the container B can be placed on the transfer table 6.
Thereby, the operation of putting the yam B1 into the container B on the transfer table 6 is performed, and the container B is conveyed backward by the transfer conveyor 4 together with the container B which is full, and is discharged out of the machine via the chute 5.

  According to the yam harvesting machine A of this embodiment, the mounting table 3 can be kept out of the way at the time of moving or parking, and the efficiency of the operation of putting the yam B1 into the container B and the operation of discharging the container B can be achieved. it can.

  The present invention is not limited to the illustrated embodiment, and can be implemented with a configuration that does not deviate from the content described in the claims for utility model registration.

A: Yam harvesting machine B: Container B1: Yam 1: Carriage 2: Transport conveyor 3: Loading table 4: Transfer conveyor 5: Chute 6: Transfer table 10: Edge 11: Rear end 30: Rear end 50: Inclined surface 5a: front end 5b: rear end T: running wheel T2: second running wheel

Claims (3)

  A chassis that is towed and travels, a transport conveyor that transports the yam, and a mounting platform on which a container that accommodates the yam is mounted, wherein the chassis has a pair of axes that are orthogonal to the traveling direction in a plane direction in a plane direction. The traveling wheels are pivotally supported, and the transport conveyor is disposed on the chassis with the upstream side in the transport direction directed toward the forward side in the traveling direction of the chassis, and the mounting table is positioned from the edge of the chassis parallel to the traveling direction of the chassis. A second traveling wheel, which is arranged to protrude outward and has an axis parallel to the traveling wheel, is rotatably supported, and can be turned upside down with respect to the chassis via an axis parallel to the edge of the chassis. A yam harvesting machine, which is supported by a shaft.   The mounting table is provided with a transfer conveyor that alternately transports containers on the mounting table to one and the other, and a chute that discharges the containers transported from the transfer conveyor to the outside of the machine. One end is disposed on the forward side of the vehicle, and the other end is disposed on the reverse side of the chassis in the traveling direction, and the transport direction is arranged parallel to the traveling direction of the chassis, and the chute is discharged in the backward direction of the chassis traveling direction. One end of the chute is connected to the end of the mounting table on the reverse side of the chassis, and is arranged in series with the transfer conveyor, and has an inclined surface that decreases from one end of the chute toward the other end. The yam harvesting machine according to claim 1, wherein A transfer table is provided on the rearward side in the traveling direction of the undercarriage, on which the container is mounted and the container is transferred to the mounting table. The transfer table has a vertical axis with respect to the undercarriage and is rotatably supported. And at the reverse side in the traveling direction of the undercarriage, it is arranged at a position facing the end on the reverse side, and is mounted from a position facing the end on the reverse side in the traveling direction by rotation about a vertical axis. The yam harvesting machine according to claim 1 or 2, wherein the yam harvesting machine is moved to a position above the table.

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