JPH099761A - Head vegetable harvester - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent foreign matter such as stones from getting into the transport device in a harvested vegetable harvester that can travel while digging, transporting, and collecting bulbous vegetables from the roots. [Structure] A root transport device 13 is provided below a main transport device 14/14 composed of two screw rolls, and the root transport device 13 is located rearwardly of the main transport device 14/14.
Is arranged such that the distance between the heading vegetables K and the heading vegetables K is increased, and the main carrying device is rotated in a direction to push the heading vegetables K upward to carry them.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the construction of a conveying device for a headed vegetable harvester.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 6, the root portion of a headed vegetable K is nipped and carried by a main carrying device 14, 14 of a headed vegetable harvester consisting of two screw rolls, and a rear side surface is provided. The method of inheriting to the conveyor belt is known,
The main transporting device 14, 14 rotates the heading vegetables K so that the heading vegetables K do not fall off the screw.
Was directed downwards.

[0003]

However, in the prior art as described above, since the rotation direction of the main carrier devices 14 and 14 is rotated in the direction in which the headed vegetables K are drawn, the main carrier devices 14 and 14 are rotated. In the meantime, insert foreign matter such as stones,
There was a problem that the outer leaf could be caught, causing clogging.

[0004]

The problem to be solved by the present invention is as described above, and the means for solving this problem will be described below. That is, in a heading vegetable harvester that can travel while digging headed vegetables from the root, transferring and collecting them, a root portion conveying device that pinches and conveys the root portion is provided below the main conveying device composed of two screw rolls. Provided such that the root transporting device is arranged so that the distance from the main transporting device becomes greater toward the rear, and the main transporting device is rotated in the direction to push the headed vegetables upward to transport them. Is.

[0005]

Next, the operation will be described. The root portion is clamped by the root portion conveying device, and the root conveying device is arranged so that the distance to the main conveying device becomes larger as the rear portion conveying device becomes rearward. Since it is configured to rotate in a direction to push up, the foreign matter such as stones is not caught in the main transporting device, and the headed vegetables can be lifted and transported backward while the root part is clamped.

[0006]

EXAMPLES Next, examples will be described. FIG. 1 is a side view of a headed vegetable harvester of the present invention, FIG. 2 is a plan view of a transfer section, FIG. 3 is a plan view of a guide plate and a root transfer apparatus, and FIG. 4 is a main transfer apparatus and a root transfer apparatus. And FIG. 5 is a schematic front view showing the state of conveyance of headed vegetables by the headed vegetable harvester of the present invention,
FIG. 6 is a schematic front view showing a transportation state of a headed vegetable by a conventional headed vegetable harvester.

First, referring to FIG. 1, a description will be given of the overall structure of a cabbage K harvested by a headed vegetable harvester.
In the heading vegetable harvesting machine of this embodiment, a machine frame 2 is placed on a crawler type traveling device 1, a storage section 3 is provided on the machine frame 2, and a digging section A of a cabbage K is provided in front of the machine frame 2. A transport section B is provided. At the rear part of the transport section B, a sorting and transporting device 4 for sorting the cabbage K and transporting good products to the storage section 3 is arranged.

A lower part of the center of the carrying section B is a body frame 2
Is rotatably supported by a hydraulic cylinder 5, and a hydraulic cylinder 5 is interposed between the carrying section B and the machine body frame 2 so as to be vertically rotatable. Then, as shown in FIG. 2, the transport frames 9L and 9R are arranged in parallel in the front-rear direction in the left-right direction, and the excavation section A, the upper surface pressing transport apparatus 10, the side surface transport apparatus 12, and the root transport apparatus are arranged on the transport frames 9L and 9R. 13 and main transport device 14
14, the scraping device 6 of the digging portion A rotates star wheels or protruding tines in opposite directions to scrape the cabbage K into the space.
The main transport devices 14 and 14 are arranged parallel to the front low rear height,
The main conveyors 14 are rotated in opposite directions.
The front transport parts 14a and 14a of 14 sandwich the stalk of the cabbage K and transport it so as to pull it back upward and form a part of the excavation part A.

The main transfer devices 14 and 14 have a "ku" side view.
It is configured in a letter shape, the front conveying section 14a is located at the excavating section A, the rear conveying section 14b is located at the conveying section B, and the main conveying devices 14 and 14 are configured as a screw type from an elastic body, It is configured by bending at the joint C. Then, the stem portion of the cabbage K is sandwiched between the blade portions forming the main transfer devices 14 and 14 on both sides, and is rotated backward by the rotation of the screw. Further, an upper surface pressing and conveying device 10 is arranged above the joint portion C, and the upper surface pressing and conveying device 10 has a link 16 and a drive case 17 on an upper portion of a support frame 15 which is erected from the front portion of the conveying frame 9. Pivots in parallel to form a parallel link,
The upper surface conveyor belt 1 is provided under the link 16 and the drive case 17.
9 are arranged so that they can move up and down in parallel so that they can be transported regardless of the size of the cabbage K.

In the rear portion of the upper surface pressing and conveying device 10 above the main conveying devices 14 and 14, in parallel with the main conveying device 14,
A side transfer device 12 is provided. The side transfer device 1
2, a flat belt made of an elastic material such as rubber is wound in the left-right and front-rear directions, and when the cabbage K is conveyed by the main conveyors 14, 14, both sides of the cabbage K are clamped by the flat belt. Then, it is conveyed to the upper rear. During this period, the stalk is sandwiched between the main transport devices 14 and 14 and transported.

Further, below the rear transport portions 14b, 14b of the main transport device 14, 14, a root transport device 13 is arranged in parallel with the main transport device 14, 14, as shown in FIGS. In addition, the root transfer device 13 is composed of a transfer chain 20 and a sandwiching rod 21, and the transfer chain 20 has an idler 22 rotatably arranged at the front part of the transfer frame 9L and a drive sprocket 23 provided at the rear part thereof to convey the transfer chain 20. The guide rod 24 so that the surface is at the intermediate position between the main transport devices 14 and 14.
Between the idler 22 and the drive sprocket 23 in the front-rear direction. However, the conveyor chain 20 may wind a belt instead of the chain.

The holding rod 21 has a support rod 25 fixed in the front-rear direction on the right transport frame 9R. The support rod 25 has its front end bent in a "V" shape to form a root portion of the cabbage K. Makes it easy to enter the center side. The supporting rods 26, 26, ... project from the supporting rod 25 toward the center side so that the supporting rods 26, 26 ... slidably move to the left and right, and the holding rods 21 are fixed to the tips of the supporting rods 26, 26, ... The springs 27, 27 ... Are respectively fitted to the 26 ...
The clamping rod 21 is urged toward the transport chain 20 side to clamp the root portion of the cabbage K.

Next, the transport section B, which is the main part of the present invention, will be described. As shown in FIG. 4, in the present embodiment, the root transport device 13 is arranged such that the distance from the main transport device 14 in the rear portion L1 is wider than in the front portion L, and transports the cabbage K. At times, the root is pulled downward as it is conveyed backward. Then, as shown in FIG. 2 and FIG. 5, the main transport device 14 is configured to rotate in a direction in which the stem of the cabbage K is pushed upward. The blades of the main transport device 14 of this embodiment are formed so that the stem of the cabbage K is transported backward when the stem is rotated in the direction of pushing the stem upward.

With such a configuration, when the main transport devices 14 and 14 are rotated and transported, the cabbage K is rotated so as to be pulled up in the digging section A and is transported to the transport section B. The root portion of the cabbage K is sandwiched by the root portion transporting device 13 and transported backward. Then, the cabbage K is not conveyed in an unstable state by the rotation of the main conveying device 14 in a direction of pushing the stem upward,
The soil adhered to the stem is discharged by the rotation, and the root is arranged such that the rear part of the root transport device 13 is away from the main transport devices 14 and 14, so that the root part is transported while being pulled downward and at the rear part. The roots of the stems are cut by the finishing cutter 29, and the outer leaves are also cut off. Then, after being sorted by the sorting / conveying device 4, it is stored in the storage unit 3.

[0015]

Since the present invention is constructed as described above,
It has the following effects. That is, the root transporting device 13 is arranged below the main transporting device 14 so that the distance from the main transporting device 14 becomes wider toward the rear, and the rotation direction of the main transporting devices 14 and 14 is the direction in which the cabbage K is pushed up. Since the head portion of the cabbage K is lifted up, the root portion is pulled down, and stable transportation is performed. Conventionally, the cabbage K is rotated in the direction of pulling it downward. It is possible to prevent stones, soil, outer leaves, etc. from being caught or caught in between the main transfer devices 14 and 14.

[Brief description of drawings]

FIG. 1 is a side view of a headed vegetable harvester of the present invention.

FIG. 2 is a plan view of a transport unit.

FIG. 3 is a plan view of a guide plate and a root conveying device.

FIG. 4 is a side view of a main carrier and a root carrier.

FIG. 5 is a schematic front view showing a conveyed state of headed vegetables by the headed vegetable harvester of the present invention.

FIG. 6 is a schematic front view showing a conveyance state of headed vegetables by a conventional headed vegetable harvester.

[Explanation of symbols]

 A Digging section K Heading vegetables (cabbage) L / L1 Interval 13 Root transfer device 14 Main transfer device 20 Transfer chain 21 Clamping rod 27 Spring

Claims (1)

[Claims] 1. In a heading vegetable harvester capable of traveling while digging, transferring and collecting headed vegetables from the roots, a root part for pinching and carrying the root part under a main transfer device composed of two screw rolls. A transporting device is provided, the root transporting device is arranged so that the distance to the main transporting device becomes larger toward the rear, and the main transporting device is rotated in a direction to push the headed vegetables upward. A headed vegetable harvester.