JP2022178009A - Vegetable harvesting machine - Google Patents

Abstract

To provide a vegetable harvesting machine for drawing and harvesting crop bodies such as soybean, the machine comprising, a travel unit which has left and right drive wheels for self-traveling of the machine body, and a holding/transporting endless body which holds a foliage part of the crop body planted on a field and transports the same to a rear oblique side for drawing the crop bodies from the field, however, since the machine is configured so that the machine body travels by the travel unit which has left and right drive wheels, at narrow spaces (for example, a position near a road and a position near a furrow), harvesting cannot be easily performed, therefore provide a vegetable harvesting machine which can perform harvesting with good working property at a narrow place for example, a position near a furrow and a position near a road.SOLUTION: There is provided a vegetable harvesting machine comprising: a transmission case 6 and/or an engine 5 on any one of left and right sides of one single drive wheel 3, and comprising a working part 2 on the other side of the drive wheel 3.SELECTED DRAWING: Figure 2

Description

The present invention relates to a vegetable harvester.

Conventionally, a vegetable harvester that pulls out and harvests crops such as green soybeans has a traveling device equipped with left and right driving wheels that make the machine self-propelled, and a crop that is vegetated in a field, and conveys it obliquely upward to the rear side by pinching foliage. An endless body for nipping and conveying is provided to pull out the crop body from the field (see, for example, Patent Document 1).

Japanese Patent Application Laid-Open No. 2006-122013

However, since the machine body is configured to move forward with a traveling device equipped with left and right driving wheels, it was not possible to perform harvesting work in a narrow place (for example, along the edge of a ridge or along the road).

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vegetable harvester capable of performing harvesting work in a narrow space (for example, along a ridge or along a road) with good workability.

The first aspect of the invention is a vegetable harvester in which a transmission case 6 and/or an engine 5 is provided on either the left or right side of one driving wheel 3 and a working portion 2 is provided on the other side of the driving wheel 3 .

According to the first aspect of the invention, the transmission case 6 and/or the engine 5 are provided on either the left or right side of the driving wheel 3 of one wheel, and the working part 2 is provided on the other side of the driving wheel 3. Harvesting work can be performed by running on the drive wheels 3, for example, harvesting the crop body P vegetated on the edge of the ridge or the ridge U along the road, which could not be harvested by a large-sized riding carrot harvester and was harvested manually. This improves the harvesting workability and work efficiency. In addition, the right and left balance of the machine body with respect to the drive wheels 3 grounded on the field is good, the maneuverability of the machine body is good, and the harvesting work can be performed appropriately with good workability.

The invention according to claim 2 is the vegetable harvester according to claim 1, wherein the engine 5 is provided outside the transmission case 6 .

According to the third aspect of the invention, the working portion 2 is provided with a pull-out conveying portion 11 for conveying the crop P to the rear and obliquely upward with the foliage portion K of the crop P during work traveling and withdrawing the crop P from the field. Or the vegetable harvesting machine according to claim 2.

The invention according to claim 4 is the vegetable harvester according to any one of claims 1 to 3, wherein the steering handle 8 extends from the transmission case 6 toward the rear of the machine body.

The invention according to claim 5 is the vegetable harvesting machine according to any one of claims 1 to 4, wherein an idler wheel 4 is provided behind the drive wheel 3 so as to be vertically adjustable.

1 is a side view of a carrot pulling machine according to an embodiment of the present invention; FIG. It is a top view of a ginseng extracting machine. It is a front view of a ginseng extracting machine.

A carrot extractor for extracting carrot crop bodies growing in a field from a field will be described as a kind of vegetable harvesting machine shown as an embodiment of the present invention. In the following, front and rear and left and right are referred to with reference to the forward direction of the airframe.

<Overall composition>
The carrot extracting machine is provided with a traveling device 1 and a working part 2 for harvesting crop bodies (roots of carrots) P. The working part 2 performs the harvesting work of the crop body P while the vehicle is running. As a result, the carrot extractor mechanically and continuously harvests the crop bodies P arranged along the traveling direction of the machine.

<Travel device 1>
The traveling device 1 is a two-wheeled traveling device provided with a driving wheel 3 that runs on the upper surface of a ridge U formed in a field and that rotates and an idle wheel 4 that rolls behind the driving wheel 3. This makes the machine self-propelled.

The drive wheels 3 are driven and rotated by power transmitted from an engine 5 arranged at the rear part of the machine body. Specifically, the power of the engine 5 is transmitted to the transmission mechanism inside the mission case 6 as a transmission case that is arranged on the side of the engine 5 and connected to the engine 5, and passes through the transmission mechanism to the left outer side of the mission case 6. The driving wheel 3 attached to the axle 7 is driven to rotate by transmission to the axle 7 protruding in the direction.

The idler wheel 4 rolls on the running track of the drive wheel 3, and its base is pivotally supported on the rear lower part of the transmission case 6, and the lower end side is rotatably supported on the lower end of a support arm 4a provided so as to be vertically movable. It is The supporting arm 4a is configured so that the rotating position can be fixed at a predetermined angle by an engaging portion provided on the side surface of the transmission case 6, and the ground height of the free wheel 4 can be arbitrarily set.

Also, a walking-type steering handle 8 is provided at the rear of the fuselage so that the left and right grip portions 8a, 8a are located at the rear end of the fuselage. The steering handle 8 extends forward while being inclined downward, and its base portion is fixed to the rear upper surface of the transmission case 6 .

Further, the right grip portion 8a of the steering handle 8 is provided with a running clutch lever 9 which is operated by the gripping operation of the operator, whereby transmission to the drive wheels 3 can be interrupted. Further, the left grip portion 8a of the operating handle 8 is provided with a working clutch lever 10 for operating a clutch for connecting and disconnecting power transmission to the working portion 2. As shown in FIG.

That is, as a layout configuration, a transmission case 6 to which a base portion of an operation handle 8 is fixed and an engine 5 are provided on the right side of a driving wheel 3 that is driven and rotated while contacting the field, and a working unit 2 is provided on the left side of the driving wheel 3. there is

<Working part 2>
The working unit 2 is provided with a pull-out conveying unit 11 for conveying the crop P to the rear and obliquely upward while sandwiching the foliage portion K of the crop P and extracting the crop P from the field during work travel. Therefore, the traveling device 1 causes the machine body to travel in the direction of travel, and during the travel, the pull-out conveying unit 11 conveys the crop body P upward with the foliage K of the crop body P therebetween, and pulls the crop body P out of the field. keep going

The pull-out transport section 11 is arranged at a position extending from the front to the rear on the left side of the drive wheel 3, and is supported by the transmission case 6 with a support frame.

A foliage cutting device 12 and a foliage discharging device 13 are arranged below the drawing and conveying unit 11 and supported by the transmission case 6 with a support frame.

The foliage cutting device 12 and the foliage discharging device 13 are driven by the drive shaft 14 from the transmission case 6 .

The pull-out conveying unit 11 is driven by the foliage discharging device 13 through drive shafts 15a and 15b and a universal joint 15c.

The drawing/conveying section 11 is provided with drive sprockets 16, 16 at the upper rear end, pulleys 17, 17 at the lower front end, and a plurality of idle sprockets 18 on the left and right. The left and right nipping and conveying endless bodies 19, 19 are wound around, and the left and right nipping and conveying endless bodies 19, 19 are driven and rotated by the driving sprockets 16, 16 driven by the drive shafts 15a, 15b and the universal joint 15c from the foliage discharging device 13. is driven to rotate.

Left and right bars 20 , 20 are provided at the front lower end of the pull-out transport unit 11 and extend to the inside of the ridge U (field) on the left and right sides of the crop body P. As shown in FIG. The left and right bars 20, 20 act to raise the foliage portion K of the crop body P and loosen the soil around the root portion of the crop body P.

Therefore, in the pull-out conveying section 11, the right and left bars 20, 20 raise the foliage portion K of the crop body P and loosen the soil around the root portion of the crop body P as the machine body advances. Then, the foliage portion K of the crop body P is sandwiched from both the left and right sides by the front lower ends of the left and right clamping and conveying endless bodies 19, 19, and conveyed obliquely upward to the rear, thereby removing the root portion of the crop body P from the ridge U (field). It is pulled out and transported obliquely upward to the rear.

The foliage cutting device 12 is composed of a shoulder aligning conveying device 21 and a cutting cutter 22 .

The shoulder aligning conveying device 21 is composed of left and right nipping conveying belts 21a, 21a driven by a drive shaft 14 from the transmission case 6, and the pull-out conveying unit 11 pulls out the ridge U (field) and conveys it obliquely upward to the rear. The foliage part K of the crop body P which has grown is clamped and conveyed rearward horizontally.

Therefore, the upper part of the foliage part K of the crop body P is pinched by the pull-out conveying part 11 and conveyed to the upper rear part, and the lower part of the foliage part K of the crop body P is held by the right and left pinching conveying belts 21a, 21a of the shoulder aligning conveying device 21. Since the cropped body P is held and conveyed horizontally rearward, the upper end of the root portion of the cropped body P abuts against the lower sides of the left and right pinching conveyor belts 21a, 21a, and the upper end of the root portion of the cropped body P is horizontally aligned and conveyed backward. be done.

The cutting cutter 22 is composed of left and right disc cutters 22a, 22a, and is driven and rotated by left and right driving shafts 23, 23 from the shoulder aligning conveying device 21. As shown in FIG.

Therefore, the base of the foliage portion K (the upper end of the root portion) of the crop body P that has been pinched by the left and right pinching conveyor belts 21a of the shoulder aligning conveying device 21 and conveyed rearward in a state in which the upper ends of the roots of the crops P are aligned horizontally. portion) is inserted between the left and right disc cutters 22a, 22a and cut. The roots of the cut crop body P fall on the upper surface of the lower ridge U (field) and are pulled out and harvested.

The foliage discharging device 13 is composed of left and right nipping conveyor belts 13a, 13a driven by the drive shaft 14 from the transmission case 6, and is arranged from an upper middle portion to a rear position of the left and right nipping conveyor belts 21a, 21a of the shoulder aligning conveyor 21. are placed in

Therefore, the foliage K of the crop body P sandwiched between the right and left nipping conveyor belts 21a, 21a is taken over by the foliage discharging device 13 and conveyed backward, and only the foliage K of the crop P whose root has been cut is discharged foliage. From the rear ends of the left and right nipping conveyor belts 13a, 13a of the device 13, the grains are discharged onto the upper surface of the ridge U (farm field) behind the machine.

On the other hand, the ground height of the free wheel 4 can be arbitrarily set by fixing the rotation position of the support arm 4a at an arbitrary angle. By doing so, the working height of the lower front end of the drawing and conveying unit 11 positioned forward of the driving wheel 3 with respect to the upper surface of the ridge U (field) is adjusted, and the holding position of the foliage portion K of the crop body P is adjusted. It can be adjusted accordingly, and the adaptability of the crop is improved, and proper pull-out harvesting can be performed.

In short, the carrot extracting machine can perform the extracting and harvesting work of the crop body P by running on one driving wheel 3. The crop bodies P vegetated on the ridges U along the road can be harvested, and the harvest workability and work efficiency are improved.

In addition, the carrot pulling machine is provided with a transmission case 6 to which a base of an operation handle 8 is fixed and an engine 5 on the right side of a driving wheel 3 that is driven and rotated while contacting the field, and a working part 2 is provided on the left side of the driving wheel 3. Therefore, the right and left balance of the machine body with respect to the drive wheels 3 grounded on the field is good, the maneuverability of the machine body is good, and the pulling and harvesting work can be performed appropriately with good workability.

2 working part 3 drive wheel 4 idle wheel 5 engine 6 transmission case (mission case)
8 Manipulation handle 11 Withdrawal/conveyance unit K Stems and leaves P Crop body

Claims (5)

A transmission case (6) or/and an engine (5) is provided on either the left or right side of one driving wheel (3), and a working part (2) is provided on the other side of the driving wheel (3). vegetable harvester. 2. Vegetable harvesting machine according to claim 1, characterized in that the engine (5) is provided outside the transmission case (6). The working part (2) is provided with a withdrawal conveying part (11) for conveying the crop body (P) rearward and obliquely upward with the foliage part (K) of the crop body (P) sandwiched therebetween and extracting the crop body (P) from the field during work travel. 3. The vegetable harvesting machine according to claim 1 or 2, characterized in that: A vegetable harvester according to any one of claims 1 to 3, characterized in that a steering handle (8) extends from the transmission case (6) toward the rear of the machine body. A vegetable harvesting machine according to any one of claims 1 to 4, characterized in that an idle wheel (4) is provided behind the driving wheel (3) so as to be vertically adjustable.

Images