JP4284529B2 - Vegetable harvesting machine - Google Patents

Description

  The present invention relates to a vegetable harvester for bulbous vegetable crops such as onions.

  2. Description of the Related Art A vegetable harvester is known that harvests bulb parts by extracting bulbs and vegetation crops such as onions from a field, cutting and removing the foliage during transportation.

The conventional vegetable harvesting machine is a machine that pulls out the sphere and root of the crop from the field, cuts the sphere and root of the crop that has been completely extracted, and collects the sphere and root of the crop.
JP-A-11-266642

  The conventional vegetable harvesting machine cuts the root part with a cutter in a state where the ball part of the crop completely pulled out from the field and the lower end of the root part are not fixed. It was difficult to remove the bulb and root. In addition, before the ball portion and the root portion are cut, a means for aligning the ball portion and the root portion with the cutting portion with the cutter is required, which increases the cost.

  The subject of this invention is providing the vegetable harvester which enabled it to cut appropriately the root part of bulbous vegetable crops, such as an onion, with a simple structure.

  The invention described in claim 1 is a traveling device that allows the aircraft to travel forward, a conveying device that sandwiches the foliage of a crop in the field and conveys it to the upper rear side of the aircraft, and grows below the ball of the crop. In a crop harvesting machine such as a bulb vegetable and the like provided with a root cutting device that cuts the root portion, the root cutting device is configured so that the lower end portion of the ball portion of the crop is lifted from the field scene by the conveying device. It is the vegetable harvester which has arranged the root part exposed on the ground so that cutting is possible just before the lower end part of the vine leaves from the field scene.

  According to a second aspect of the present invention, the conveying device and the root cutting device are provided so as to be inclined so that the rear side of the machine body is higher than the front side of the machine body, and the cutting position of the root cutting device is behind the conveyance start end portion of the conveyance apparatus and 2. The vegetable harvester according to claim 1, which is arranged so as to be located in the vicinity.

  A third aspect of the present invention is the vegetable harvesting machine according to the first aspect, wherein a ball portion holding belt for holding the ball portion of the crop is provided between the root cutting device and the pulling and conveying device in the vertical direction of the machine body. .

  A fourth aspect of the present invention is the vegetable harvesting machine according to the third aspect, wherein the peripheral speed of the ball holding belt is made faster than the peripheral speed of the drawing and conveying device.

  According to the first aspect of the present invention, the lower end of the sphere of the crop is lifted from the field scene, the root is exposed to the ground, and the root is cut while the lower end of the root is not completely removed from the field scene. Since the root portion is cut by the apparatus, the root portion of the crop is cut in a state where the lower end portion thereof is supported by the field and stretched up and down, and it is difficult for uncut portions to be generated. Therefore, the root part of bulbous vegetable crops such as onions can be appropriately excised with a simple configuration.

  According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the root part can be cut immediately after the ball part floats from the field scene, and the root part is strongly stretched in the field. Can be cut in a state.

  According to the third aspect of the invention, in addition to the effect of the first aspect of the invention, the root portion can be cut while being held so that the ball portion is not shaken, so that a more stable cutting operation is performed. Can do.

  According to the invention described in claim 4, in addition to the effect of the invention described in claim 3, it becomes possible to cut the root portion with the bottom surface of the ball portion being substantially parallel to the root cutting device. Can cut roots.

An onion root crop harvester according to an embodiment of the present invention will be described with reference to the drawings. However, the present invention is not limited by the following examples.
FIG. 1 shows a side view of the root vegetable harvesting machine of this embodiment, and FIG. 2 shows a plan view seen from above. The root crop harvesting machine is provided with a front wheel 2 on a front axle (not shown) supported by the body frame 1, a transmission 5 and an engine 4 are connected to the rear end of the body frame 1, and penetrates both side walls of the transmission 5. Then, a power transmission shaft (not shown) for the rear wheel 3 is provided, a transmission device for driving the rear wheel is provided from the power transmission shaft, and the axle 7 of the rear wheel 3 is disposed in the case 6 of the transmission device. It is stored. Further, the front end of a rod-like handle 8 is connected to both side walls of the transmission 5, and a grip 9 is provided at the end opposite to the front end of the handle 8. In the vicinity of the grip 9 of the handle 8, a side clutch lever 11 for cutting off the power transmitted from the transmission 5 to the rear wheel 3 and a work clutch lever 14 for operating an onion extraction pulling and conveying device 12 which is operated at the time of onion harvesting described later ( 14a, 14b).

  The drawing / conveying device 12 is fixedly supported by a transmission device case 15 that is directed obliquely at a predetermined angle with respect to the horizontal and whose base is supported by the transmission 5. The pair of pulling and conveying belts 13 and 13 of the pulling and conveying device 12 is composed of a pair of endless belts that rotate in reverse at a predetermined interval. The pair of pulling and conveying belts 13 and 13 are arranged on the same plane, Since the section is near the farm scene U, the onion leaf stem is sandwiched between the transport start ends of the pair of pull-out transport belts 13 and 13, and the onion is pulled out from the field while being transported rearward and upward. Can do.

  A pair of endless belts 16, 16 are provided below the drawing belt 13 on the conveyance start end side of the drawing belt 13, and as shown in FIG. The pair of belts having a short transportable distance are ball sandwiching belts 16 and 16 provided with an interval for holding an onion ball and a width in the height direction, and a pair of belts having a relatively long upper transportable distance. The belts 13 and 13 are the foliage pinching and pulling conveyance belts 13 and 13 which are provided with a narrow interval so that the foliage can be pinched.

  The pair of root cutters 18, 18 are below the pair of ball clamping belts 16, 16, and the root cutter 18 is the lower end of the root from when the lower end of the ball part of the onion is lifted from the field U by the ball clamping belt 16. Is supported on the side of the pulling and conveying device 12 at a site where the root exposed on the ground can be cut immediately before it is removed from the farm scene U.

  Further, the ball holding belt 16 and the root cutter 18 are provided so as to be inclined so that the rear side of the machine body is higher than the front side of the machine body, and the cutting position of the onion root part of the root cutter 18 is behind the conveyance start end part of the ball clamping belt 16. And it arrange | positioned so that it might be located in the vicinity.

  A pair of foliage cutters 21, 21 are provided so that the foliage of the onion conveyed to a little above the horizontal portion of the pair of body frames 1, 1 by the pair of pull-out belts 13, 13 can be cut.

  FIG. 3 is a diagram showing the drawing belt drive mechanism. The power of the engine 4 is controlled by the transmission 5 and then transmitted to the foliage cutter 21 and the two endless belts 13 and 16. 22 and 23 are driven. The lower sprocket 22 of the two-stage sprockets 22, 23 transmits power to the pulleys 24 to 26 that drive the root cutter 18 and the ball clamping belt 16, and the upper sprocket 23 is a foliage pinching pulling conveying belt (pulling belt). ) Power is transmitted to the pulley groups 27 to 29 that drive the motor 13.

  In the root vegetable harvesting machine configured as described above, the lower end of the bulb part of the onion floats up from the farm scene U, the root part is exposed to the ground, and the lower root is removed while the lower end of the root part cannot be completely removed from the farm scene U. Since the root cutter 18 is arranged at a position where it can be cut, the root of the onion is supported by the field, and the root can be cut by the root cutter 18 with the root stretched vertically between the ball clamping belt 16 and the field. It is difficult to leave uncut parts. Therefore, the root of bulbous vegetable crops such as onions can be appropriately excised with a simple configuration, and the ball is clamped by the pair of ball clamping belts 16 and 16 so that the cutting performance is improved.

  Further, the peripheral speed of the ball clamping belt 16 is made faster than the peripheral speed of the drawing belt 13 so that the bottom surface of the sphere is parallel to the root cutter 18. At this time, since the inclined surface of the ball clamping belt 16 is in a state substantially parallel to the rotation plane of the root cutter 18, the root can be cut cleanly.

Further, the drawing / conveying device 12 is composed of a pair of opposed rotating members (drawing belts 13, 13, pulleys 28, 29, etc.) and a support frame 10 that supports the rotating members. Since it arrange | positioned between the surrounding members, since the height between the root part cutter 18 and the surrounding member can be made high, the root part cutter 18 can be arrange | positioned in a lower position, and a spherical part is the field scene U. The root portion can be cut immediately after rising from the top, and the root portion can be cut in a state where the root portion is strongly stretched in the field.
As described above, the root portion can be cut while being pinched so as not to be shaken in a state where the root portion is strongly stretched in the field, so that a more stable root cutting operation can be performed.

  The onion whose root has been cut is conveyed with its stems and leaves sandwiched between a pair of upper drawing belts 13 and 13 and directed rearward in an obliquely upward direction. Since there is a pair of foliage cutters 21, 21 at a position where the horizontal portion of the machine body frame 1 has been conveyed slightly above, the upper foliage of the onion is cut and the onion falls on the field scene U.

  INDUSTRIAL APPLICABILITY The present invention can be used for a vegetable harvesting machine that draws and conveys bulb vegetable crops such as onions and harvests them.

It is a side view of the root vegetable harvesting machine of one Example of this invention. It is a top view of the root vegetable harvesting machine of one Example of this invention. It is a power transmission diagram of the conveying apparatus of the root crop harvesting machine of FIG. It is an AA arrow line view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Body frame 2 Front wheel 3 Rear wheel 4 Engine 5 Transmission 6 Transmission device case 7 Rear wheel axle 8 Handle 9 Grip 10 Support frame 11 Side clutch 12 Pull-out conveyance device 13 Pull-out conveyance belt 14a, 14b Working clutch lever 15 Transmission case 16 Ball clamping belt 18 Root cutter 21 Foliage cutter 22, 23 Sprocket 24-29 Pulley

Claims (4)

A traveling device that allows the aircraft to travel forward;
A transporting device that sandwiches the foliage of crops in the field and transports it to the upper rear side of the aircraft,
In a harvesting machine for crops such as bulbous vegetables with a root cutting device that cuts the root that grows below the bulb of the crop,
The root cutting device is arranged so that the root exposed on the ground can be cut between the time when the lower end of the sphere of the crop is lifted from the field scene by the transport device and immediately before the lower end of the root is removed from the field scene. A vegetable harvester characterized by   The transport device and the root cutting device are provided so as to be inclined so that the rear side of the machine body is higher than the front side of the machine body, and the cutting position of the root cutting device is disposed behind and in the vicinity of the transport start end portion of the transport apparatus. The vegetable harvester according to claim 1.   The vegetable harvesting machine according to claim 1, wherein a ball holding belt for holding the ball portion of the crop is provided between the root cutting device and the pulling and conveying device in the vertical direction of the machine body.   The vegetable harvesting machine according to claim 3, wherein a peripheral speed of the ball portion sandwiching belt is configured to be faster than a peripheral speed of the drawing and conveying device.

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