JP3318274B2 - Bulb vegetable harvester - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for pulling out bulbous vegetables having bulbs such as onions and garlic after being pulled out, cutting the unnecessary foliage, and leaving the bulbs aligned on a ridge. It is.

[0002]

2. Description of the Related Art Conventionally, in a technique in which the upper part of a foliage of a bulb vegetable dug out of the ground is pinched and conveyed backward, and stored in a container at one time, the bulb part immediately after being dug out of the ground is used. The soil had adhered to the roots, and the germs remained. If stored in that state, the bulbs may rot, and depending on the production area, the bulbs after harvesting may be suspended and stored, or tens of hours without storing the extracted bulbous vegetables immediately A method is used in which the soil is dried after being left in a field and then harvested. For that,
A technique for disposing a transfer device below a neck holding transfer device and leaving the bulb portion on a ridge is known.

[0003]

However, in the prior art, the bulb portion after being pulled out is placed on a conveying device and discharged onto a ridge. The bulb part was distorted and was scattered on the ridges, and was left unattended, which was troublesome when storing the dried bulb part. In addition, the root to which the soil is attached may be left facing downward, in which case the soil cannot be dried. For this reason, it was necessary to provide a harvester that was allowed to stand on ridges so that the roots were easy to dry, and to unify the standing posture so that the storage operation after drying was easy.

[0004]

The present invention uses the following means in order to solve the above problems. A vegetable harvesting machine that delivers a bulb C2 from a leaf clamping and transferring device 15a that extracts a bulb vegetable C to a neck clamping and transferring device 15b, and discharges the remaining bulb C2 obtained by cutting an unnecessary portion above the foliage C1 to a field. At a position rearward from the front end of the neck holding and transferring device 15b by a fixed distance L, an alignment and conveying device 40 driven at the same speed as the speed of transferring the bulb portion C2 by the neck and holding and transferring device 15b is further arranged. A foliage guide 43 is arranged toward one side from the rear end of the holding surface of the neck holding and transferring device 15b, and the bulb portion C2 of the bulb vegetable C whose height is adjusted by the neck holding and transferring device 15b is aligned and transferred. The device 40 and the foliage guide 43 leave the foliage portion C1 when left on a ridge in a state in which the posture is changed in the horizontal direction and stored.
Can be grasped from one side of the ridge.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems and configurations to be solved by the present invention are as described above. Next, an embodiment of the present invention shown in the attached drawings will be described. FIG. 1 is a side view of a harvester for harvesting bulbous vegetables having bulbs, and FIG.
FIG. 3 is a side view showing an arrangement configuration of the aligning and conveying device of the present invention,
FIG. 4 is a plan view showing the arrangement of the aligning and transporting device, FIG. 5 is a rear view sectional view of the aligning and transporting device during nipping and transporting of the bulb, and FIG. FIG. 2 is a rear cross-sectional view of the device.

The overall configuration of the harvester A for bulb vegetables (onions) will be described with reference to FIGS. The harvester A
Has a plurality of lower frames 7, 7 arranged in the front-rear direction at a lower portion, and a main frame 5 arranged at a rear end of the lower frame 7 in a left-right direction. An engine 1 supported by a main frame 5 and a transmission case 2 having a transmission mechanism interlocked with an output portion thereof are vertically arranged. A cylindrical case 47 protrudes from the lower part of the transmission case 2 to the left and right sides, and a final case 3.3 is fixed to an end of the cylindrical case 47, and a pivotal support is provided at the front end of the final case 3.3. Driving wheels 4. Further, the steering handle 6 protrudes upward and rearward from both ends of the main frame 5, and the steering clutch lever 4
6. The main clutch lever 49 is provided.

The upper frame 8.8 is supported at the front end of the lower frame 7.7, and is disposed obliquely rearward and upward from the front end. The rear end of the upper frame 8.8 and the lower frame 7 The transmission support case 9 that connects the rear ends of 7 forms a substantially triangular framework in side view. Furthermore,
Weeding frame 10 ahead of each lower frame 7.7
・ Work frame is configured by projecting 10. A gauge wheel 11 is pivotally supported on the side of the weeding frame 10 via an arm so that the vertical position can be changed, and is provided so as to be inclined so as to roll on the surface of the ridge and valley.

[0008] Various devices are attached to the work frame to constitute a harvesting work section B. The harvesting section B includes a weeding device 12, a scraping device 13, a subsoiler 1
4. It is composed of a lifting and moving device 15 and a cutting device 17. The weeding devices 12 are fixed to the front end of each weeding frame 10 in front-to-low and back-to-high directions, and a plurality of tines 1 are provided.
2a, 12a,... Are wound around a belt (not shown) projecting from the outer peripheral surface. The fixed weeding boards 12b and 12b are projected forward from the lower end of the weeding device 12, so that the foliage C1 of the bulbous vegetables C planted in the ridged field is vegetated.

The lifting and moving device 15 is composed of a foliage holding and transferring device 15a disposed at the front, rear and rear heights along the upper frame 8, and a neck and holding device 15b having a gentle inclination angle below the foliage holding and transferring device 15a. Have been. The leaf holding device 1
5a is a structure in which holding belts 19 are wound around a group of wheels that are supported by the upper frame
-The foliage portion C1 of the bulb vegetable C is sandwiched between the 19 opposing contact surfaces and transported diagonally rearward and upward. Similarly, the neck nip transfer device 15b is provided with a nip belt 20.2.
0, so that the neck portion of the bulb vegetable C is transported while being sandwiched between the opposing contact surfaces of the left and right clamping belts 20. A cutter 17 is arranged above the neck holding and transferring device 15b, and cuts a middle part of the foliage C1 to leave a foliage C1 of a required length on the bulb (onion) C2 side. The cut unnecessary foliage C1 is continuously transported by the leaf nipping and transporting device 15a, and the bulb (onion) C2 side is transported by the neck nipping and transporting device 15b.

In order to facilitate the transfer of the foliage C1 from the weeding device 12 to the leaf holding / transporting device 15a, the starting end of the leaf sandwiching / transporting device 15a has an eight-letter shape that expands forward in plan view. A scraping device 13 in which a pair of left and right scraping belts arranged in a shape are wound. Since the scraping device 13 is located behind the weeding device 12, it is possible to scrape the foliage of the weeding and shaping to the center in the left and right direction and pass it to the leaf holding and transferring device 15a. Also,
A hoe-shaped subsoiler 14 is pivotally supported on both outer sides of the lower end of the upper frame 8 so as to be swingable. After the lower end of the subsoiler 14 is inserted into the ground and the scraping device 13 scrapes the foliage C1 of the bulb vegetable C, the ground is digged to dig out the bulb (onion) C2 of the bulb vegetable C. Can be drilled.

A description will now be given of a structure for transmitting power to the leaf holding and transferring device 15a and the neck holding and transferring device 15b. A transmission shaft (not shown) is rotatably supported inside the transmission support case 9 and projects forward from the transmission case 2.
Power is obtained from the TO shaft 21 to drive the drive pulleys 22 fixed to the upper end of the transmission shaft. By the rotation of the drive pulleys 22, the leaf nipping and transferring device 15 is moved.
a is being driven. Driven pulleys 23 are disposed at the front of the leaf-holding / transporting device 15a, and rotate with the movement of the holding belt 19. A transmission case 37 and a support case 25 are fixedly provided behind the driven pulley 23, the weeding device 12 is driven via the transmission case 37, and the neck holding device 15 is supported via the support case 25.
b can be driven.

An aligning / conveying device 40 is provided below the rear portion of the neck holding / transporting device 15b. The aligning / conveying device 40 includes a plurality of columnar rods 41 whose axis is in the left-right direction.
A belt body having a belt shape of 41... Is wound. In the present invention, the aligning / conveying device 40 is disposed at the position shown in FIG. 3 with respect to the neck holding / transporting device 15b. The front end of the aligning / conveying device 40 is disposed at a position rearward from the front end of the neck holding / transporting device 15b by a distance L, and the rear end of the aligning / transporting device 40 is extended to a distance m behind the rear end of the neck holding / transporting device 15b. I have. Are driven at the same speed as the speed at which the bulb portion C2 is conveyed by the neck holding and conveying device 15b.

Each of the columns 41 of the aligning and conveying device 40
As shown in FIG. 5, the bulb mounting portion 41 a is formed such that the left and right central portions of the 41... Curvature R of the bulb mounting portion 41a
Is formed so as to substantially match the spherical radius R of the bulb portion C2. At the rear end of the neck holding / transporting device 15b, a foliage guide 43 having a substantially arc shape in a front view is disposed as shown in FIG. 4 from the rear end of the holding surface of the holding belts 20 to one side. The foliage portion C1 is guided laterally between the outer peripheral surface of the holding belt 20 and the foliage guide 43.

With such a configuration, the height of the bulb portion C2 is adjusted by the neck clamping and transferring device 15b during the distance L, and the neck portion is clamped. The lower part of the bulb part C2 can be supported by the nip, and the neck part is clamped by the left and right clamping belts 20. The stem C1 is conveyed backward with the foliage C1 protruding above the clamping belts 20. Then, as shown in FIG. 4, the foliage portion C1 conveyed to the rear portion of the neck gripping transfer device 15b is guided so as to pass between the rear portion of the gripping belt 20 and the foliage guide 43. At that time, the bulb part C2
As shown in FIG. 3, at the end positions of the holding surfaces of the holding belts 20, 20, the bulb mounting portions 41 of the two front and rear pillars 41, 41 are provided.
a, 41a, and is further conveyed backward, and is tilted leftward as shown by a two-dot chain line in FIG.
1 ′, and C1 in FIG. 6 during the distance m.
It is stabilized to the sideways posture like. Then, as shown in FIGS. 3 and 4, the material is discharged onto the ridge from the end position of the aligning / conveying device 40, and the direction of the foliage C1 is aligned rightward on the ridge. Can be left alone.

Further, by forming the cross section of the column rod 41 in a circular shape, the following configuration can be obtained. The bulb portion C2 mounted on the bulb mounting portion 41a of the pillars 41 arranged side by side is supported by two tangents or four contact points of the front and rear pillars 41. The manner of contact of the bulb portion C2 differs depending on the size of the bulb portion C2, and is supported by four contact points in this embodiment. Therefore, as described above, the resistance can be reduced as compared with the configuration in which the bulb portion C2 is supported on the surface even when the posture is changed in the bulb mounting portion 41a, and the bulb mounting portion 41a is connected to the bulb. Since the shape is curved substantially equal to the shape of the portion C2, the posture of the bulb portion C2 can be easily changed.

[0016]

As described above, the present invention has the following advantages. First, since the bulbs can be transported in a stable posture until they are released, the harvested bulbous vegetables can be left in a straight line on the ridge. Secondly, it is possible to easily change the posture of the bulb portion of the harvested bulbous vegetables, and leave it on a ridge in a state of being placed sideways to dry the roots and to remove various bacteria. Can be disinfected in sunlight. Thirdly, the present invention provides a harvester that can easily store harvested bulbous vegetables because the foliage can be gripped from one side of the ridge when storing, and realizes a harvesting method suitable for each production area. You can do it.

[Brief description of the drawings]

FIG. 1 is a side view of a harvester for harvesting bulb vegetables having bulbs.

FIG. 2 is a plan view of the harvester.

FIG. 3 is a side view showing an arrangement configuration of the aligning and conveying device of the present invention.

FIG. 4 is a plan view showing the arrangement of the aligning and transporting device.

FIG. 5 is a rear cross-sectional view of the aligning and transporting device during the nipping and transporting of the bulb portion.

FIG. 6 is a rear view, partly in section, of a rear view of the aligning / conveying device with the bulb portion in the horizontal position.

[Explanation of symbols]

 A Bulb Vegetable Harvester C1 Foliage C2 Bulb 15a Leaf Nipping and Transferring Device 15b Neck Nipping and Transferring Device 20 Nipping Belt 40 Aligning and Conveying Device 41 Pillar 41a Bulb Placement Unit 43 Foliage Guide

Claims (1)

(57) [Claims] 1. A vegetable that transfers a bulb portion C2 from a leaf clamping device 15a for extracting a bulb vegetable C to a neck clamping transfer device 15b, and discharges the remaining bulb portion C2 obtained by cutting an unnecessary portion above the leaf portion C1 to a field. A harvesting machine, the aligning and transporting device 40 being driven at the same speed as the speed of transporting the bulb C2 by the neck holding and transferring device 15b to a position rearward from the front end of the neck holding and transferring device 15b by a fixed distance L. And a foliage guide 43 is arranged from the rear end of the holding surface of the neck holding / transporting device 15b toward one side, and the height of the bulb vegetable C is adjusted by the neck holding / transporting device 15b.
Is left on the ridge in a state where the posture is changed sideways by the aligning and conveying device 40 and the foliage guide 43,
A bulb vegetable harvester characterized in that the foliage C1 can be gripped from one side of the ridge when stored.