JPH09187132A - Mobile type harvester for harvesting root vegetable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile type harvester for harvesting root vegetables capable of digging up the root vegetables such as a Japanese radish or a carrot from the interior of soil, conveying the dug root vegetables and housing the conveyed root vegetables in a housing container (container). SOLUTION: This mobile type harvester for harvesting root vegetables is obtained by arranging a digging up conveyor A at the front of a mobile machine body so as to enable the lifting and lowering and installing a carrying conveyor at the lower rear of the digging up conveyor A and is capable of cutting a leaf part and carrying out the grading at the time of carrying each root vegetable with the carrying conveyor, arranging a guide 31 on the rear of the machine body in the front and rear directions, further installing a lift 33 on the guide 31 so as to enable the movement in the front and rear, placing a housing container 12 on the lift 33 and composing the lift 33 so as to enable the lifting and lowering at the rear end position. The carrying conveyor A comprises a transverse carrying conveyor 10 and a longitudinal carrying conveyor 11 and one end of the transverse carrying conveyor 10 is located at the lower rear of the digging up conveyor A. The front end of the longitudinal carrying conveyor 11 is located at the lower part of the other end of the transverse carrying conveyor 10 and the longitudinal carrying conveyor 11 is arranged between the undersurface of the transverse carrying conveyor 10 and the top surface of the housing container 12 and composed so as to enable the rotation in the horizontal direction with the front part as the center.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a self-propelled root vegetable harvester for digging root vegetables such as radish and carrot from the soil, transporting them, and storing them in a container.

[0002]

2. Description of the Related Art Root vegetable harvesters for radish and carrots have been known for a long time, and a hoe-shaped excavator placed at the tip is inserted into the soil to lift the root vegetable from below and to excavate the excavated root vegetable. The root part of the root vegetable is sandwiched from both sides from the rear part of the mashing machine, the root device is conveyed obliquely upward and rearward by the carrier device, the leaf cutting device is arranged at the rear part of the carrying step, and the root vegetable leaf of the root cutting device is conveyed The technique of cutting the root portion and storing the root portion in a storage container is known. For example, the technique of Japanese Patent Laid-Open No. 6-339318 is known. Also, as in the technique of Japanese Patent Laid-Open No. 6-209630, a lifting machine is equipped to lower the storage container,
A technique that can be moved to another place is also known.

[0003]

However, in the conventional root vegetable harvesting machine, since the root vegetables are dug up, the leaf portions are cut during the transportation of the transportation device, the leaves are sorted, and then they are manually stored in the storage container. , It was very busy work when I continuously carried out the digging work. Also, when storing the harvested root vegetables in a large storage container, they are stored from the side close to the discharge part of the transport device, so they will be stored unevenly near that side, and when the storage container becomes full It was necessary to transport the root vegetables to a distant position, and in the case of heavy root vegetables such as radish, it was a heavy labor. Also, when loading and unloading the storage container using a lifting machine, the operation is difficult,
A large space was required to equip it, which increased costs.

[0004]

The present invention uses the following means in order to solve the above problems. That is, the excavation transfer device A is arranged so as to be able to move up and down in the front part of the traveling machine body, the transfer conveyor is arranged below the excavation transfer device A, and the leaf part is cut at the time of transfer by the transfer conveyor. In addition to sorting, a guide 31 is arranged on the rear part of the machine body in the front-rear direction, a lift 33 is arranged on the guide 31 so as to be movable back and forth, and the storage container 12 is placed on the lift 33. The guide 31 is configured to be able to move up and down at the rear end position. In addition, the transfer conveyor is a horizontal transfer conveyor 1
0 and the vertical transfer conveyor 11, one end of the horizontal transfer conveyor 10 is dug up and positioned below the transfer device A, and the front end of the vertical transfer conveyor 11 is positioned below the other end of the horizontal transfer conveyor 10. The vertical transfer conveyor 11 and the horizontal transfer conveyor 10
It is arranged between the lower surface and the upper surface of the storage container 12, and is configured to be horizontally rotatable around the front portion.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the accompanying drawings. 1 is an overall side view of the self-propelled root vegetable harvester of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view at the start of harvesting work, and FIG. 4 is a supplementary work in which many harvested root vegetables are stored in a storage container. FIG. 5 is a side view showing a state where a person is performing a sorting operation outside the storage container, and FIG. 5 is a side view showing a state where the storage container is full and is lowered by a lift.

The overall construction of a self-propelled root vegetable harvester will be described with reference to FIGS. 1 and 2. First, a crawler traveling device 2 is arranged below a horizontal main frame 1, and a driving section F is provided on the upper right front side of the main frame 1.
Has an operation column 4 standing upright on the front part thereof, and a steering lever 5 protruding from the upper part thereof. An engine compartment 6 is arranged behind the operation column 4, an engine is built in the engine compartment 6, and a driver's seat 7 is arranged on the engine compartment 6.

A digging and conveying device A for digging and conveying root vegetables is arranged from the left front side to the rear side of the main frame 1, and from the lower rear end of the digging and conveying device A to the rear part of the driver's seat 7. The horizontal transfer conveyors 10 are arranged horizontally, and the vertical transfer conveyors 11 are arranged in the front-rear direction from the end (right side) of the horizontal transfer conveyors 10 in the front-rear direction. The storage container 12 is mounted on the.

The excavation transfer device A comprises a excavation claw 9 provided at the front end, a leaf raising device (not shown) at the rear part thereof, and a transfer conveyor 21. The excavation transfer device A is moved up and down by an elevating device. It The lifting device has a supporting column 13 standing upright at the front end of the main frame 1, and a pivot shaft 14 is laterally provided at the front portion of the supporting column 13.
A rear portion of the lower link 15 is pivotally supported, and an elevating frame 16 is erected on the rear portion. The tip of the elevating frame 16 is pivotally supported by the tip of a piston rod of an elevating cylinder 19, and the rear portion of the elevating cylinder 19 is pivotally supported by the main frame 1.

A top link 17 is pivotally supported on the upper end of the support column 13, and the tip end of the top link 17 is supported by the support body 2.
0, the front end of the lower link 15 is also pivotally connected to the lower part of the support 20, and the top link 17 and the lower link 15 form a parallel link. And the support 2
0 A digging claw 9 is attached to the front end. A gauge wheel 22 that determines the height of the excavation claw 9 is attached to the front side of the support body 20 so that the height of the excavation claw 9 can be adjusted. The lower part of the excavation claw 9 is configured to extend below the leaf pulling device, be curved, and be inserted into the soil. In this way, the rotation of the eccentric cam causes the excavation claw 9 to swing back and forth,
The root vegetables are lifted by vibrating the soil from below the root vegetables.
It is designed to be easily pulled out.

The transfer conveyor 21 is a transfer frame 23.
The driven pulley 24, 24 is arranged at the front end of the L / 23R and the drive pulley 25, 25 is arranged at the rear end thereof.
.24 and the drive pulley 25, 25 sandwiching belt 26 between
・ Turn 26, rotate the left and right pulleys in opposite directions,
The leaf portion of the root vegetable is sandwiched between the sandwiching belts 26, 26 so that it can be conveyed and driven rearward.

The transfer frame 23 of the transfer conveyor 21
The R side portion and the side surface of the support body 20 are connected to each other via a connection body 28 composed of a hydraulic cylinder or a link so that the excavation claw 9 and the transfer conveyor 21 can be simultaneously moved up and down. The length of the connecting body 28 can be adjusted, and the positional relationship between the excavation claw 9 and the conveyor 21 can be adjusted. A cutting device 27 that roughly cuts the leaves is arranged at the rear end of the transport conveyor 21.

The horizontal transfer conveyor 10 is a flat belt wound in the left-right direction, and the left end of the horizontal transfer conveyor 10 is arranged below the rear end of the transfer conveyor 21 to inherit root vegetables. Are arranged as follows. A second cutting device 29 is arranged on the right side of the lateral transfer conveyor 10 to cut the leaf portion at an accurate position.

A vertical transport conveyor 11 is disposed below the end of the horizontal transport conveyor 10, and the vertical transport conveyor 11 winds a flat belt and transports it backward. The front end of the vertical transfer conveyor 11 is supported by a rotation fulcrum shaft 30, and in the space between the upper end of the storage container 12 and the lower surface of the horizontal transfer conveyor 10, it is possible to rotate horizontally above the storage container 12, The root vegetables are easily put in the storage container 12. However,
The vertical transfer conveyor 11 and the horizontal transfer conveyor 10 are not limited to belt conveyors, and may be chain type or roller type conveyors.

Guides (rails) 31, 31 are provided in the front-rear direction on the main frame 1 in parallel with the front-rear direction, and a lift 33 and a drive support 34 slide on the guides 31, 31 in the front-rear direction. And a motor 35 and a gearbox 36 are mounted on the drive support base 34.
Two drive shafts are projected from the gear box 36, a hoisting drum 37 is fixedly mounted on one drive shaft, and a drive sprocket 38 is fixedly mounted on the other drive shaft. The power can be transmitted by switching the clutch. The drive sprocket 38 meshes with the teeth of the guide 31, and the drive sprocket 38 is rotated by the drive of the motor 35, whereby the drive support base 34 and the lift 3 are rotated.
The storage container 12 placed on the table 3 can be moved back and forth. However, the back-and-forth moving means of the lift 33 is not limited to the above, and it may be configured such that it is pulled back and forth using a wire or moved back and forth using a cylinder.

A wire 39 is attached to the winding drum 37.
The other end of the wire 39 is wound around the lift 3 via pulleys arranged on the masts 40 and 41 that support the lift 33.
3, the lifter 33 can be lowered by driving the motor 35 to rewind when the storage container 12 to be described later is lowered. The mast 40 is erected on the drive support 34, and the mast 41 is
Is designed to be slidable up and down on the rear surface of the mast 40.
However, the lifting and lowering drive of the lift 33 is not limited to the configuration of winding and returning the wire, and the lifting and lowering may be performed by using a cylinder. A storage container 12 for storing root vegetables is placed on the lift 33, and the storage container 12 is configured to be relatively large so that a large amount of root vegetables can be stored and the rear surface of the storage container 12 can be opened and closed as a door. It is configured so that root vegetables can be taken in and out, and auxiliary workers can open and close this door. Further, a step 32 is provided at the rear end of the bottom surface of the storage container 12,
2 can be stored so as to be rotatable upward, and an auxiliary worker can ride in the horizontal state of being rotated rearward to perform a sorting operation.

In such a structure, when performing harvesting work, the excavation carrier A is positioned in accordance with the row of the field where the root vegetables are cultivated, and the excavation claws 9 are inserted below the root vegetables.
It moves forward while vibrating, digs up the root vegetables, holds the leaf portions of the root vegetables by the leaf portion lifting device, pulls them up, conveys them to the rear, and inherits them to the conveyor 21. Then, at the rear part of the conveyor 21, the first cutting device 27 is used to roughly cut the bottom of the sandwiching portion of the leaves to remove the root of the root vegetable.
Is placed on the left side of the sheet, and is conveyed to the right by the horizontal conveying conveyor 10, and the leaf portion is cut by the second cutting device 29 at the rear portion to perform the correct cutting. Then, it is placed on the front end of the vertical conveyor 11 from the end of the horizontal conveyor 10 and conveyed to the rear, sorted by an auxiliary worker, and the non-defective product is stored in the storage container 12, and the leaves after cutting are on the field. To release.

On the other hand, at the start of work, as shown in FIG. 3, the clutch in the gear box 36 is switched to change the motor 35.
The power of is transmitted to the drive sprocket 38, and the motor 35 is driven to move the storage container 12 rearward along the guide 31, so that the front end of the storage container 12 is positioned below the horizontal conveyor 10. Retreat. And
The auxiliary worker S enters the storage container 12 through the door, positions the vertical transfer conveyor 11 above the storage container 12, and appropriately rotates so that the vertical transfer conveyor 11 can be stored substantially uniformly.
The root vegetables conveyed to the upper side are selected, good products are stored from the front part in the storage container 12, and defective products and leaves are discharged to the rear of the machine.

When good root vegetables increase in the storage container 12 and there is no more space for the auxiliary worker S to move, the auxiliary worker S moves out of the storage container 12 as shown in FIG. , The motor 35 is driven to move the storage container 12 forward along the guide 31, and the step 32 is rotated so as to be in the horizontal state. To do. Further, the vertical transport conveyor 11 is gradually rotated outward so that it can be stored in the storage container 12 easily and uniformly with less effort.

When the storage container 12 is full, the motor 35 is driven to guide the storage container 12 to the guide 3
1, the clutch in the gearbox 36 is switched to transmit the driving force to the hoisting drum 37, and the wire 39 is rewound to lower the lift 33 as shown in FIG. Then, the storage container 12 can be lowered. If the storage container 12 is replaced with an empty storage container 12, the hoisting drum 37 is driven to wind up the wire 39 to raise the storage container 12, and the storage container 12 can be moved forward to repeat the above operation. Easy to load and unload containers.

[0020]

The present invention is configured as described above.
The following effects are obtained. That is, since the storage container is configured to be slidable back and forth as in claim 1, the root vegetables can be evenly stored by sliding according to the amount of the root vegetables to be stored, and the distance for carrying the root vegetables can be shortened. It can be stored easily and can store a large amount of root vegetables in the case of a large storage container. Further, the root vegetables are sorted and stored in the storage container and moved forward as the storage amount increases, so that the weight balance between the front and rear can be improved. Further, when the storage container is unloaded from the machine, it is not necessary to manually slide it by sliding it backward and then lowering it with a lift, freeing from heavy labor and being able to easily load and unload.

According to the present invention, since the conveyor can be rotated above the storage container, the storage work can be performed in a wide range from one side of the storage container to the other side, and the storage container can be evenly mounted. It is possible to reduce the amount of lateral movement of the operator and to easily perform the storage work. Further, by rotating the conveyor to the side of the storage container, the conveyor can be evacuated without disturbing when the storage container is lowered or placed.

[Brief description of the drawings]

FIG. 1 is an overall side view of a self-propelled root vegetable harvester of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a side view at the start of harvesting work.

FIG. 4 is a side view showing a state in which many harvested root vegetables are stored in a storage container and an auxiliary worker is performing a sorting operation outside the storage container.

FIG. 5 is a side view showing a state in which the storage container is full and is lowered by a lift.

[Explanation of symbols]

 A excavation transfer device 1 main frame 10 horizontal transfer conveyor 11 vertical transfer conveyor 12 storage container 30 rotation fulcrum shaft 31 guide 33 lift

Claims (2)

[Claims] 1. A digging and conveying device is arranged in the front part of a traveling machine body so as to be able to move up and down, a conveying conveyor is arranged below and behind the digging and conveying device, and a leaf portion is cut during conveyance by the conveying conveyor. In addition to performing sorting, a guide is arranged on the rear part of the machine body in the front-rear direction, a lift is arranged on the guide so as to be movable back and forth, and a storage container is placed on the lift. A self-propelled root vegetable harvester characterized by being able to move up and down. 2. The transfer conveyor according to claim 1, comprising a horizontal transfer conveyor and a vertical transfer conveyor, wherein one end of the horizontal transfer conveyor is dug up and positioned below the transfer device, and the other end of the horizontal transfer conveyor is provided. Position the front end of the vertical conveyor below
A self-propelled root crop harvester characterized in that a vertical conveyor is arranged between a lower surface of the horizontal conveyor and an upper surface of a storage container and is configured to be horizontally rotatable around a front portion.