JPH1075617A - Mobile type root vegetable harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject harvester capable of redigging up a root vegetable, once dug up, failed in nipping and trodden on, harvesting the root vegetable and improving the labor saving by arranging a rear digging up device according to a position of a front digging up device at the rear of a mobile machine body. SOLUTION: This mobile type root vegetable harvester is obtained by arranging an uprooting conveyor 30 for digging up each root vegetable such as a carrot and conveying the root vegetable to the rear and a front digging up device F at the front of a mobile machine body and further arranging a rear digging up device R according to the position of the front digging device F at the rear of the mobile machine body. Furthermore, the position of a rear subsoiler 60 constituting the rear digging up device R is located at the rear of a front subsoiler 24 according to the position thereof to make the digging positions coincident.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a self-propelled root vegetable harvesting machine for harvesting root vegetables, particularly carrots.

[0002]

2. Description of the Related Art Conventionally, a self-propelled root vegetable harvesting machine for harvesting radishes, carrots, and the like has been known. A driver's seat is arranged on one side of the upper part of a traveling device, and the other side is parallel to the traveling direction. Arrange a drawing conveyor, arrange a digging device consisting of a hoe-shaped subsoiler at the front of this drawing conveyor, insert this digging device into the soil, dig up root vegetables from the bottom from below, The roots of the root vegetables are conveyed diagonally upward while the leaves of the root vegetables are sandwiched from both sides by the conveyor belt of the drawing conveyor. Further, a tail cutting device including a guide guard for guiding the tail of the root vegetables to the disk cutter, a disk cutter, and the like is provided below the pulling conveyor, and the tail is cut. A technique is known in which the root vegetables after the tail is cut are passed on to a horizontal conveyor, the root of the root vegetables is cut by another cutter, and the root is stored in a storage container.

The radish and carrot are harvested by the self-propelled root vegetable harvesting machine as described above, but not all of the cultivated root vegetables can be dug up and harvested, and some root vegetables are left undigged. The uncut root vegetables are trampled by the crawler traveling device, and the head of the root vegetables is buried in the soil, and the location becomes unknown or the soil is tightened and cannot be easily pulled out. He dug it up and harvested it.

[0004]

The root vegetables to be harvested may be left undigged, especially when the harvest is in winter, the foliage of the root vegetables to be harvested by frost is weakened,
If the foliage is pinched and lifted, the foliage will be cut off and left undigged, but the rate of occurrence will reach 30 to 50% when it is large. The root crops such as carrots left behind may be trampled by the crawler and buried in the soil up to the head, making the location unknown, or the soil may be tight and difficult to dig. Since such root vegetables are dug up and harvested by human power, a great deal of labor is required despite the introduction of a harvesting device for labor saving.

[0005]

The present invention uses the following means in order to solve the above problems. That is, in a self-propelled root vegetable harvesting machine in which a root conveyor is dug up in front of the traveling machine body, and a pulling conveyor and a front excavating device are arranged to be conveyed rearward, the position of the front excavating device is adjusted at the rear of the traveling machine body. This means that a rear excavator was placed.

[0006]

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 a self-propelled root vegetable harvester, FIG. 2 is a plan view of the same, and FIG. 3 is a plan view showing the relationship between the width of the front and rear subsoilers and crawlers.

Referring to FIGS. 1 and 2, the overall construction of a self-propelled root vegetable harvesting machine, particularly a root vegetable harvesting machine mainly for ginseng harvesting will be described. First, a crawler-type traveling device 2 is disposed below a horizontally disposed body frame (hereinafter referred to as a main frame) 1 to form a traveling body, which is driven right above (to the right in the traveling direction) the front of the main frame 1. An operation unit A is provided. The driving operation section A has a front column 4 at the front, an operation lever 5 that can simultaneously steer and excavate and raise and lower the apparatus F is protruded above the front column 4, and an accelerator lever is disposed at a side. ing. A side column 3 is erected on a side portion of the front column 4, and operation levers such as a work lever and a sub speed change lever protrude from the side column 3. A driver seat 7 is provided behind the front column 4, and an engine room is provided below and below the front column 4. An engine E is built in the engine room, and the engine E is covered by an engine cover 6. . A container table 8 is mounted on the upper part of the engine cover 6.

On the left side of the traveling machine body, there are provided a mechanism for excavating root vegetables, transporting the same rearward, and cutting off the leaf portion, and a mechanism for storing the root portion in the container 9 at the rear thereof.
That is, the raising device 4 is moved from the left front portion of the main frame 1.
0, gauge wheel 4 for setting the height of the drawing conveyor 30
3. A lifting device 41 for lifting the root portion of the root vegetable, a digging device F for digging up the root vegetable in the soil below the lifting device 41, and holding and transporting both sides of the root portion of the root vegetable leaf dug from the rear of the raising device 40. A pull-out conveyor 30, a cutter 47 behind the pull-out conveyor 30, a lower conveyor 48 and a horizontal feed roller 49 below the cutter 47, and a sorting conveyor 50 to be conveyed to the container beside the cutter 47 are arranged. In addition, a rear subsoiler 60 is provided behind the left crawler traveling device 2 at the rear of the traveling body.
The rear excavator R of the present invention having
The root vegetables trampled on the crawler traveling device 2 are dug again to leave the digging, thereby facilitating the harvesting.

Each of the series of root vegetable harvesting apparatuses will be specifically described. First, the excavating device F is provided with rotating fulcrum shafts 20 and 21 on the upper and lower portions of the front end of the main frame 1.
The rear portions of the upper link 22 and the lower link 23 are pivotally supported by the pivot shafts 20 and 21, respectively, and the front portions of the upper link 22 and the lower link 23 are pivotally connected to the bracket 25. . The upper link 22 and the lower link 23 form a parallel link.
The upper end of 4 is fixed.

At the rear end of the lower link 23, an arm 26 is provided.
The lift cylinder 27 is connected to a lift cylinder 27 composed of a hydraulic cylinder, and can be raised and lowered by operating the lift cylinder 27. An upper part of the front subsoiler 24 is supported at a front part of the upper link 22 via an eccentric cam, and the eccentric cam is rotated so that the front subsoiler 24 can be driven to vibrate. By vibrating, the root vegetables are raised to make it easy to pull out.

The rear portion of the drawing conveyor 30 is supported by a conveyor support frame 31, and the conveyor support frame 31 is supported by a support 32 projecting upward from the main frames 1.1. The support body 32 is an integral component composed of a left-right rotation shaft 32a and a vertical rotation cylinder 32b. The draw-out conveyor 30 is a digging device F
By using the vertical movement of the vertical rotation cylinder 32b as a center, it is possible to change the pull-out height or lift. In addition, the two-dot chain line (3
As shown by 0 '), the power transmission mechanism B can be opened by turning around the left and right turning shaft 32a.

In the drawing conveyor 30, the transport frames 30L and 30R are arranged in parallel in the front-rear direction and inclined at the front, rear and rear heights, and the rear lower surfaces of the transport frames 30L and 30R are supported by the conveyor support frame 31. Pulleys 33.3 are provided at both front and rear ends of the transport frames 30L and 30R.
3 and guide pulleys 34
.. are arranged, and the conveyor belts 30a, 30
On the lower surface of the drawing conveyor 30 from the middle to the rear, a pair of left and right conveyor belts are wound to provide an auxiliary conveyor 36, which holds the roots of the leaves. In addition, a star wheel 37
37 are provided to scrape the leaves of the root vegetables.

The arm is protruded forward from the front end of the draw-out conveyor 30, and a raising device 40 is fixedly mounted so that the vertical height can be adjusted. This raising device 40 is a tine 4
The belt protruding from 0a, 40a... Is wound opposite to each other in the up-down direction, and the root portion of the root vegetable is lifted upward in the center. Then, a pulling device 41 is fixedly provided by projecting the connecting body forward from the raising device 40. The pulling device 41 has a tine 41a in the same manner as the raising device 40.
The belts protruding from 41a are arranged on the front and rear surfaces in the vertical direction on the left and right sides so that the leaves are pulled up from the left and right sides of the harvesting strip.

A gauge wheel 43 is arranged on the front side of the raising device 40. This gauge wheel 43
The support arm 42 is rotatably supported at the tip of a support arm 42 projecting to the side of the raising device 40, and the height of the gauge wheel 43 can be adjusted by the support arm 42 so that the lifting device 4
The height of the pretreatment device including the zero and the pulling device 41 and the height of the pulling conveyor 30 can be adjusted, and the holding position of the leaf portion of the root vegetable can be adjusted.

At the rear of the pull-out conveyor 30 and the auxiliary transport conveyor 36, a leaf discharge conveyor 44 extends horizontally rearward in the front-rear direction. In the middle of the auxiliary transport conveyor 36, a horizontal conveyor 45 extends horizontally rearward in the front-rear direction, and below the horizontal conveyor 45, a guide 46 for guiding root vegetables is provided. A cutter 47 is arranged between 46 and the horizontal conveyor 45. The root portion of the root vegetable transported by the auxiliary transport conveyor 36 is taken over by the horizontal conveyor 45 and transported rearward while the upper end of the root portion of the root vegetable is positioned, and the leaf portion is cut by a cutter 47 at a predetermined position. Shock absorbing plate 7 made of an elastic body disposed underneath
0, and then slides down onto a lower conveyor 48 disposed below the shock absorbing plate 70, and the leaves are transported to the leaf discharge conveyor 44 and dropped into the field scene from behind. .

The lower conveyor 48 is composed of a wide belt conveyor, and is disposed horizontally from the rear lower part of the auxiliary conveyor 36 to the rear.
A lateral feed roller 49 is disposed in an oblique direction on the middle part. Rotation of lateral feed roller 49 and lower conveyor 48
, The root vegetables are dropped onto the sorting conveyor 50 at the side. The sorting conveyor 50 comprises a wide roller conveyor arranged at the rear of the machine in the left-right direction so as to remove soil adhering to root vegetables while being fed to the side. A container mounting table 54 is disposed below the end of the sorting conveyor 50.
Reference numeral 4 denotes a container 9.

A shoulder alignment guide 51 and a tail cutting device N for cutting the root of the root vegetable are provided below the front end of the pulling conveyor 30 of the self-propelled root vegetable harvester. The shoulder alignment guide 51 is disposed at a lower front and a rear higher than the inclination angle of the pull-out conveyor 30 so that the pull-out conveyor 30
The height of the upper part of the root of the root vegetables conveyed by this is made uniform. The tail cutting device N is disposed below and behind the shoulder alignment guide 51 and includes a guide guard G for guiding the tail of the root vegetables, a cutting portion S for cutting the tail, and a support rod 14 for supporting the cutting portion S. ing. The cutting section S includes a drive case and a pair of left and right disc cutters 13 rotatably supported by the drive case.

A guide guard G is provided in front of the cutting section S. By the guide guard G, the root portion of the root vegetable which is conveyed while the leaf portion is held by the pulling-out conveyor 30 is
It is guided by the disc cutters 13 and cut. A box 57 having an open upper surface is placed below the cut portion S. The box is adapted to receive root vegetables that have failed to be pinched due to irregular cultivation, very small root vegetables, and the like.

Next, the rear excavating device R will be described. A support arm 63 projects downward from the lower surface of the main frame 1 behind the left crawler traveling device 2, and one end of a hydraulic cylinder 62 is pivotally connected to a lower end of the support arm 63. A pivot 61a is provided behind the support arm 63.
The bracket 61 is rotatably supported by the pivot 61a. A rear subsoiler 60 having a hoe-shaped tip is attached to the bracket 61 so as to project obliquely rearward and downward. The position of the rear subsoiler 60 is located behind the front subsoiler 24 in accordance with the position of the front subsoiler 24, so that the digging positions match and the digging can be reliably performed. The other end of the hydraulic cylinder 62 having one end pivotally connected to the support arm 63 is pivotally connected to the bracket 61.
The extension and retraction of the hydraulic cylinder 62 enables the rear subsoiler 60 to move up and down.

The rear subsoiler 60 may be vibrated to facilitate excavation. As a means for vibrating, an eccentric cam is disposed above the rear subsoiler 60, as in the front subsoiler 24. Alternatively, the eccentric cam may be rotated to drive the rear subsoiler 60 to vibrate, or the hydraulic cylinder 62 may be expanded and contracted in a short cycle. As a result, the ground is vibrated in the ground from below the root vegetable trampled by the crawler traveling device 2 to be dug out, and the root vegetable is raised,
The location of the root vegetables can be clarified, and the root can be easily extracted.

In FIG. 3, a rear subsoiler 60 is shown.
Is narrower than the operating width X of the front subsoiler 24 and wider than the width Z of the crawler traveling device 2. With such a configuration, it is possible to dig up the entire area depressed by the crawler traveling device 2 again. Further, since the area to be excavated again is once excavated by the front subsoiler, it can be excavated relatively easily.

[0022]

The present invention is configured as described above.
The following effects are obtained. That is, since the rear excavating device R is provided separately from the front excavating device F behind the crawler traveling device 2, it is dug up and fails to pinch, and is trampled by the crawler traveling device 2 to harvest. Even if the root vegetables were damaged, the roots became unclear, or the soil became too tight to dig up easily, digging up again made it possible to clarify the location and easily pull out the roots. . As a result, a great deal of labor spent on harvesting undigged root vegetables could be significantly reduced.

[Brief description of the drawings]

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

FIG. 2 is a plan view of the same.

FIG. 3 is a plan view showing the relationship between the width of the front and rear subsoilers and the crawler traveling device.

[Explanation of symbols]

 Reference Signs List A operation operation unit F front excavator N tail cutting device R rear excavator 24 front subsoiler 60 rear subsoiler

Claims (1)

[Claims] 1. A self-propelled root vegetable harvesting machine in which a root conveyor is dug up in front of a traveling machine body, and a pulling conveyor and a front excavating device are transported rearward, and a front excavating device is provided in a rear part of the traveling machine body. A self-propelled root vegetable harvester characterized by arranging a rear excavation device according to a position.