JPH04166007A - Rootcrop harvester - Google Patents

Abstract

PURPOSE:To harvest simultaneously rootcrops on plural ridges by rotating left and right plural pairs of endless belts around the respective rear ends as rotary driving sections. CONSTITUTION:For plural pairs of endless belts 2, 3, the respective rear ends serve as rotary driving sections 5, 5, and the endless belts are rotated left and right around these rotary driving sections, thus the front ends are moved in the crosswise direction for the machine body. With this mechanism, even in the case of varying ridge spacings for rootcrops, the tips of the endless belts are moved corresponding to such spacings to simultaneously harvest the rootcrops on the plural ridges.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a root vegetable harvesting device that harvests root vegetables by pulling them out of a field, and particularly to a harvesting device that is capable of simultaneously harvesting root vegetables from multiple rows. It is related to.

[Conventional technology]

Conventionally, a pair of endless belts, which rotate close to each other in opposition to each other, are installed on the vehicle body and are slanted so that the leading end is low and the rear end is high. 2. Description of the Related Art A root vegetable harvesting device is known in which root vegetables are picked out from a field by the rotation of both belts and the forward movement of a traveling vehicle body, while holding the stems and leaves of the root vegetables. A harvesting device equipped with a pair of endless belts (for negative-row belts) was common.

[Problem to be solved by the invention]

If you try to improve the efficiency of harvesting by installing multiple sets (for multiple belts) of the well-known pair of endless belts mentioned above, the distance between the cultivation rows for root vegetables will vary depending on the cultivation region, type of root vegetables, etc. It is necessary to adjust the distance between the endless belts according to the distance between the cultivation rows, and this adjustment is not easy, and the structure of the power transmission system to the rotation drive unit is particularly complicated, so it is rarely put into practical use. This is the current situation.

The present invention has been made to solve the above problems.

[Means to solve the problem]

In order to achieve the above object, the present invention provides a pair of endless belts that rotate in close proximity to each other on a traveling vehicle body.
It is slanted so that the leading end is low and the rear end is high.
This root vegetable is harvested by sandwiching stems and leaves of root vegetables growing in the field between the tips of both belts, and extracting the root vegetables from the field by rotating both belts and moving the traveling vehicle forward. In a similar harvesting device, multiple sets of the above-mentioned endless belts are arranged in parallel at a predetermined interval in the width direction of the machine body, and these multiple sets of endless belts are
Each rear end is a rotary drive part, and by rotating left and right around these rotary drive parts, the front side of the endless belt can be moved in the width direction of the machine body, and the tip of the endless belt The present invention is characterized in that it is configured so that root vegetables from multiple rows can be harvested simultaneously by moving the crops.

[For production]

According to the configuration described in item 1, the present invention rotates the endless belt around the rotary drive unit at the rear end of each of the plurality of sets of endless belts, even when the distance between the cultivation rows of root vegetables is different, so that the front end can be adjusted to the width of the machine body. It is possible to harvest root vegetables in multiple rows at the same time by moving the container in the direction corresponding to the interval between cultivation rows for root vegetables. Also,
To adjust the movement of the endless belt, simply rotate it around the rotary drive unit at the rear end and move the front end in the width direction of the aircraft, so the rotary drive unit can be left as it is, and it can be adjusted in a short time. , the configuration is simplified.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a root vegetable harvesting device attached to a traveling vehicle body (not shown), and this root vegetable harvesting device 1 consists of a pair of root vegetable harvesting devices that rotate in the direction of the arrow while approaching each other. Endless bells l-2 and 3 are installed at an angle so that the tip side is low (and the rear end side is high). (not shown), and root vegetables are extracted from the field and harvested by the rotation of both bells I-2 and I-3 and the forward movement of the traveling vehicle body.

That is, a transmission case 4 is obliquely installed on the rear end side of the endless bells l-2 and 3, and a drive shaft 5 is pivotally supported on the transmission case 4, and a sprocket 6 is attached to the lower end of the drive shaft 5. is attached to receive power from the traveling vehicle body side via a chain 7, and is attached to the upper end (=J digit) to rotate and drive a drive pulley 8.A support frame 9 and a belt support frame IO are attached to the transmission case 4. an idler pulley 11 supported and pivotally supported at the tip of the belt support frame 10;
Endless bells 1-2 and 3 are wound around the drive pulley 8 to rotate in a predetermined direction.

Two sets of the above-mentioned pair of endless belts 1-2 and 3 are arranged in parallel in the width direction of the machine body, and these two sets of endless belts 2-3 serve as rotating drive units around the drive shaft 5 at the rear end of each. , the endless belts 2 and 3 are rotated around each rotary drive part so that their front ends can be moved in the width direction of the machine body, and the tips of the endless belts l-2 and 3 are adjusted according to the distance between the cultivation rows for root vegetables. It is configured so that it can be moved and harvest root vegetables from multiple rows at the same time. Although not shown, the endless bells I-2 and 3 are rotated around the rotary drive unit and moved in the width direction of the machine body at the front end thereof, at a position corresponding to the interval between the cultivation rows for root vegetables. A fixing means for fixing to the machine body side is provided, and a storage case is provided behind the rear ends of the endless belts 2, 3 to accommodate the root vegetables extracted by the endless belts 2, 3.

The two sets of endless bells l-2 and 3 have a constant interval W between the rotary drive parts, and when the interval W of the rotary drive parts is equal to the interval between the cultivation rows for root vegetables (Fig. 2), the standard row is used. When the width is SW, as shown in FIG. 3, the wide ridge width WW1 and as shown in FIG. 4, the narrow ridge width NW is adjusted and fixed, respectively.
I am trying to do harvest work.

In addition, in the present invention, in the above embodiment, the endless belt 2
, 3 are provided, but the same implementation is possible even when two or more sets are provided.

In the root vegetable harvesting device having such a configuration, first, before starting the harvesting operation, the endless belt 2°3 is rotated left and right around its rotational drive part to rotate the endless belt 2°3 to the front side of the endless bells l-2 and 3. is moved in the width direction of the machine, and the standard furrow width SW (Fig. 2) and wide furrow width WW (the third
After adjusting and fixing the spacing as shown in Fig. 4) and narrow ridge width NW (Fig. 4), start harvesting. Then, the stems, leaves, etc. of root vegetables growing in the field are held between the tips of both bells I-2 and 3, and the rotation of both bells I-2 and I-3,
Two types of root vegetables are simultaneously extracted from the field and harvested by the forward movement of the traveling vehicle body. Both bells l-2 were pulled out,
The root vegetables transported rearward by belt 3 are stored in a storage case from the ends of both belts 2 and 3.

〔Effect of the invention〕

As explained above, according to the root vegetable harvesting device of the present invention, a plurality of sets of endless belts are rotated left and right around these rotational drive parts, with each rear end serving as a rotational drive part. The front side of the endless belt is moved in the width direction of the machine, and the tip of the endless belt is moved according to the distance between the cultivation rows for root vegetables. By moving the tip of the endless belt in a corresponding manner, root vegetables in multiple rows can be harvested at the same time.

In addition, to adjust the movement of the endless belt, simply rotate the rotary drive section at the rear end about the center and move the front end in the width direction of the aircraft, so the rotary drive section remains unchanged and receives power. The endless belt can be rotationally driven, adjustment can be made in a short time, and the configuration can be simplified.

[Brief explanation of drawings]

FIG. 1 is a side sectional view showing an embodiment of the present invention, FIG. 2 is a plan view of an endless belt, and FIGS. 3 and 4 are explanatory diagrams when the interval between the leading ends of the endless belt is adjusted. ■... Root vegetable harvesting device, 2, 3... Endless belt, 4
...Transmission case, 5...Drive shaft, 6...Sprocket, 7...Cheno, 8...Drive pulley, 9
... Support frame, 10... Belt support frame,
1 ■... Idle pulley, W... Spacing between rotational drive parts, S
W: Standard ridge width, WW: Wide ridge width, NW: Narrow ridge width. Patent Applicant Kobashi Kogyo Co., Ltd. Representative Patent Attorney Nobu Kobashi Ukiwa Wataru Ogura Figure 2 111 “□□−

Claims (1)

[Claims] A pair of endless belts that rotate close to each other in opposition to each other are installed on the traveling vehicle body and are inclined so that the leading end is low and the rear end is high. The above-mentioned pair of root vegetable harvesting devices are designed to pick up and harvest root vegetables from a field by rotating both belts and moving the traveling vehicle body forward while holding stems, leaves, etc. of root vegetables growing in the field. Multiple sets of endless belts are arranged in parallel at predetermined intervals in the width direction of the machine, and these multiple sets of endless belts are
Each rear end is a rotary drive part, and by rotating left and right around these rotary drive parts, the front side of the endless belt can be moved in the width direction of the machine body, and the tip of the endless belt A root vegetable harvesting device characterized in that it is configured to move the root vegetables and harvest root vegetables from multiple rows at the same time.