WO2021049412A1

WO2021049412A1 - Bulb vegetable harvester

Info

Publication number: WO2021049412A1
Application number: PCT/JP2020/033430
Authority: WO
Inventors: 渡邊　章人; 前川　智史; 大前　健介; 佐藤　孝康; 宗好　紀彦
Original assignee: ヤンマーパワーテクノロジー株式会社
Priority date: 2019-09-13
Filing date: 2020-09-03
Publication date: 2021-03-18
Also published as: KR20220054744A; CN114340375A

Abstract

A bulb vegetable harvester (1) comprises: a plurality of grass-dividing devices (31) that correspond to a plurality of rows of bulb vegetables (G) and lift the leaves and stems (Gb) of the bulb vegetables (G) upward to separate the individual rows of bulb vegetables (G); a plurality of scooping-up devices (32) that correspond to the plurality of rows of bulb vegetables (G) and gather the leaves and stems (Gb) of the plurality of rows of bulb vegetables (G); and an uprooting/conveying device (34) that is arranged to the rear, in the direction of advance, of the plurality of grass-dividing devices (31) and the plurality of scooping-up devices (32), and that holds the gathered leaves and stems (Gb) and uproots and conveys the bulb vegetables (G). The uprooting/conveying device (34) is configured so as to allow for positional adjustment in the left/right direction relative to the direction of advance.

Description

Bulb vegetable harvester

This disclosure relates to a bulb vegetable harvester that harvests bulb vegetables such as garlic, onions, and scallions.

As shown in Patent Document 1, the bulbous vegetable harvester has a pull-out transporting device that pulls out and transports the bulbous vegetables while sandwiching the foliage portion of the bulbous vegetables and transporting them upward and backward. The bulbous vegetables are planted in a plurality of rows, and a plurality of drawing and transporting devices are provided to deal with the multiple rows of bulbous vegetables.

Japanese Unexamined Patent Publication No. 2019-83723

There are several types of interplants in the transplantation form of bulbous vegetables such as onions. It is required to be able to handle multiple types of articles.

The purpose of the present disclosure is to provide a bulbous vegetable harvester capable of supporting a plurality of types of inter-row transplantation forms.

The bulbous vegetable harvester according to one aspect of the present disclosure corresponds to a plurality of bulbous vegetables, and includes a plurality of weeding devices that lift the stems and leaves of the bulbous vegetables upward to separate the bulbous vegetables into individual strips, and the plurality of bulbous vegetables. A plurality of scraping devices for aggregating the stems and leaves of the plurality of bulbous vegetables corresponding to the striped bulbous vegetables, and the plurality of weeding devices and the plurality of scraping devices arranged behind the plurality of scraping devices in the traveling direction. A pull-out transport device for pulling out and transporting the bulbous vegetables while sandwiching the aggregated foliage portion is provided, and the pull-out transport device is configured to be adjustable in position in the left-right direction with respect to the traveling direction.

The bulbous vegetable harvester according to another aspect of the present disclosure corresponds to a plurality of bulbous vegetables, and includes a plurality of weeding devices that lift the stems and leaves of the bulbous vegetables upward to separate the bulbous vegetables into individual strips. The plurality of weeding devices and the plurality of scraping devices are provided with a plurality of scraping devices that correspond to a plurality of bulbous vegetables and aggregate the stems and leaves of the plurality of bulbous vegetables, and the plurality of weeding devices and the plurality of scraping devices are directed with respect to the traveling direction. The position can be adjusted in the left-right direction.

According to the configuration of the bulbous vegetable harvester according to one aspect of the present disclosure, it is possible to operate the drawing and transporting device corresponding to the transplantation form having different inter-rows.

According to the configuration of the bulbous vegetable harvester according to the other aspect of the present disclosure, it is possible to operate the weeding device and the scraping device corresponding to the transplantation form having different inter-rows.

It is a perspective view which shows the bulb vegetable harvester of this embodiment. It is a side view which shows the harvester. It is a perspective view which shows the pull-out transport device, the foliage cutting device, and the shoulder alignment device. It is a perspective view which shows the drawing transfer apparatus, the conveyor and the harvesting part frame. It is a perspective view which shows the conveyor, the hopper and the container mounting stand. It is a schematic side view which shows the weeding device, the scraping device, the pull-out transfer device, the shoulder alignment device, the foliage cutting device, and the conveyor. It is a state in which the pull-out transport device on the left side is removed, and is a plan view showing the shoulder alignment device and the conveyor. It is a top view which shows the weeding device, the scraping device and the pull-out transfer device set in the section 1. It is a front view which shows the weeding device and the scraping device set between Article 1. It is a top view which shows the pull-out transfer apparatus set in Article 1. It is a front view which shows the pull-out transfer apparatus set in the section 1. It is a rear view which shows the pull-out transfer apparatus set in the section 1. It is a state in which the pull-out transport device on the right side is removed, and is a perspective view showing a fixed structure of the pull-out transport device. It is a top view which shows the weeding device, the scraping device, and the pull-out transfer device set between Article 2. It is a front view which shows the weeding device and the scraping device set between Article 2. It is a top view which shows the pull-out transfer apparatus set between Article 2. It is a front view which shows the pull-out transfer apparatus set in the 2nd section. It is a rear view which shows the pull-out transport device set in the 2nd section.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In the following description, the left side in the direction of travel of the bulbous vegetable harvester 1 is simply referred to as the left side, and the right side in the same direction of travel is simply referred to as the right side.

First, the schematic structure of the bulbous vegetable harvester 1 will be described with reference to FIGS. 1 to 5. The bulbous vegetable harvester 1 harvests a plurality of bulbous vegetables planted in a ridged or ridgeless field. In this embodiment, a bulb vegetable harvester 1 for harvesting garlic G planted in Article 4 will be described. Examples of bulbous vegetables include garlic G, onions, and scallions. In this embodiment, the garlic G has a bulb Ga and a foliage Gb.

The bulb vegetable harvester 1 is provided with a self-propelled traveling machine 2 and a harvesting unit 3 for digging up and harvesting garlic G from the ridges where garlic G is cultivated. Further, the bulb vegetable harvester 1 includes a conveyor 4 for transporting and collecting the garlic G harvested by the harvesting unit 3.

The traveling machine body 2 includes a body frame 21 formed in a three-dimensional frame shape and a pair of

traveling crawlers

20 and 20 arranged on both sides of the body frame 21. A control unit 22 is provided on the rear right side of the traveling machine body 2. In the bulbous vegetable harvester 1 of the present embodiment, the left and right

traveling crawlers

20 and 20 travel across the ridges, but the present invention is not limited to this. For example, in the case of a ridgeless field, the running

crawlers

20 and 20 run on the soil of the field after the bulbous vegetables have been harvested.

The engine 10 is mounted on the rear left side of the traveling machine 2. A mission case 11 is arranged below and in front of the engine 10 and between the left and right traveling crawlers 20 for appropriately shifting the power from the engine 10 and transmitting the power to the left and right traveling crawlers 20.

The harvesting section 3 includes a weeding device 31, a scraping device 32, a digging device 33, a pull-out transfer device 34, a soil removing device 35, a shoulder alignment device 36, a foliage cutting device 37, and a harvesting section frame 38. And have.

The weeding device 31 lifts the foliage Gb upward and divides the garlic G into strips. The scraping device 32 scrapes the foliage portion Gb of the garlic G and delivers it to the pull-out transport device 34. The digging device 33 enters below the garlic G so as to easily pull out the garlic G and breaks the soil. The pull-out transfer device 34 sandwiches the foliage portion Gb delivered from the scraping device 32, and conveys the sandwiched garlic G in an upright posture toward the rear and upper direction. The soil removing device 35 scrapes off the soil adhering to the ball portion Ga of the garlic G conveyed by the drawing and conveying device 34. The shoulder alignment device 36 aligns the height of the shoulder portion with the boundary portion between the ball portion Ga and the foliage portion Gb of the garlic G transported by the pull-out transport device 34 as the shoulder portion. The foliage cutting device 37 cuts the foliage portion Gb of the garlic G whose shoulder portion is held by the shoulder alignment device 36 so that the foliage portion Gb remains at substantially the same height.

The weeding device 31 lifts the foliage Gb of the garlic G lying down in the field upward by passing through the interstitial spaces and weeds it. The weeding device 31 includes a tine 31a that rotates vertically by power from the engine 10, and by rotating the tine 31a, the foliage portion Gb of the garlic G is lifted upward. Five weeding devices 31 are provided so as to sandwich the strips in order to divide the garlic G into strips. In this embodiment, five weeding devices 31 are provided for four-row planting. That is, N + 1 weeding devices 31 are provided for N-row planting. The weeding cases 31b of the two weeding devices 31 arranged on the left and right sides are fixed to the first frame 33c (described later). Further, the weeding case 31b of the three weeding devices 31 arranged at the center is fixed to an upper frame 382 (described later) extending in the left-right direction. The weeding device 31 is driven by a weeding drive shaft 31c that penetrates the weeding case 31b.

The scraping device 32 includes a tine 32a that rotates laterally by power from the engine 10. The scraping device 32 is provided between adjacent weeding devices 31. The two scraping devices 32 on the left side collectively deliver the foliage Gb of the two rows of garlic G on the left side to the pull-out transport device 34 on the left side. Similarly, the two scraping devices 32 on the right side collectively deliver the foliage Gb of the two rows of garlic G on the right side to the pull-out transport device 34 on the right side. The scraping device 32 is fixed to the weeding drive shaft 31c and is driven by the power transmitted from the weeding drive shaft 31c.

The digging device 33 is arranged below the scraping device 32. The digging device 33 includes a front-view substantially U-shaped digging blade 33a that swings back and forth by power from the engine 10, and a pair of left and

right supports

33b and 33b that are connected to the digging blade 33a and can swing back and forth. Be prepared. Further, the digging device 33 uses the first frame 33c, which supports the pair of left and

right supports

33b, 33b so as to be swingable back and forth and is fixed to the harvesting section frame 38, and the weeding device 31 using the first frame 33c as a scaffold. A second frame 33d for fixing is provided. The support 33b is rotatably supported with respect to the first frame 33c and the second frame 33d, and the digging blade 33a can be swung back and forth. The digging blade 33a is formed to have a width capable of digging up four rows. The digging blade 33a is inserted into the soil and positioned below the bulb Ga of the garlic G, and the scale vegetable harvester 1 is advanced while swinging the digging blade 33a back and forth to break the soil and soften the soil. However, the garlic G can be easily pulled out.

The pull-out transfer device 34 is arranged so as to be inclined from the lower side of the scraping device 32 toward the rear upper side. The pull-out transport device 34 pulls out the garlic G while sandwiching the foliage portion Gb and transporting it rearward and upward, and transports the garlic G toward the rearward and upward direction.

Two pull-out transfer devices 34 are arranged side by side on the harvesting section frame 38. Each pull-out transfer device 34 includes a drive pulley 34a that is rotated by power from the engine 10, a driven pulley 34b that follows the drive pulley 34a, and a pair of left and right endless transfer belts 34c that are wound around the drive pulley 34a and the driven pulley 34b. And have. The foliage portion Gb of the garlic G is sandwiched between a pair of left and right endless transport belts 34c, and the garlic G is pulled out by the front end portion of the pull-out transport device 34 and transported upward and rearward.

The soil removing device 35 is arranged below the drawing and transporting device 34. The soil removing device 35 is fixed to the harvesting section frame 38. The soil removal device 35 includes a soil removal drive shaft 35a that is rotated by power from the engine 10 and an elastic body 35b formed by arranging rod-shaped bodies in a radial pattern. By rotating the elastic body 35b by rotating the soil dropping drive shaft 35a, the elastic body 35b comes into contact with the ball portion Ga of the garlic G conveyed by the pull-out transfer device 34 and scrapes off the soil.

Two shoulder alignment devices 36 are arranged side by side on the harvesting section frame 38. Each shoulder alignment device 36 is arranged substantially horizontally below the endless transfer belt 34c constituting the pull-out transfer device 34. Each shoulder alignment device 36 has a plurality of pulleys 36a that are rotated by power from the engine 10 and a pair of left and right shoulder alignment endless belts 36b that are wound around the plurality of pulleys 36a. The shoulder alignment device 36 drives the pair of left and right shoulder-aligned endless belts 36b in synchronization with the pair of left and right endless transport belts 34c of the pull-out transport device 34, so that the foliage portion Gb of the garlic G is pulled up by the pull-out transport device 34. , The boundary portion between the ball portion Ga and the foliage portion Gb of the garlic G is used as the shoulder portion, and the shoulder portion is stopped by the shoulder alignment endless belt 36b, and as a result, the heights of the shoulder portions are aligned.

The foliage cutting device 37 is arranged at the rear upper part of the shoulder alignment device 36. The foliage cutting device 37 includes a rotary blade 37a on a disk, and the rotary blade 37a is arranged substantially horizontally. The shoulder-aligned garlic G by the shoulder-aligning device 36 is cut by the rotary blade 37a so that the foliage Gb remains at substantially the same height.

At the rear end of the pull-out transfer device 34, a release guide 341 for discharging the cut foliage Gb to the left and right outside is provided. In a plan view, the discharge guide 341 extends rearward from the front of the drive pulleys 34a on the left and right inner sides of the pair of

drive pulleys

34a and 34a through between the drive pulleys 34a and 34a, and further rearward of the drive pulleys 34a on the left and right outer sides. It has a rod-shaped member 341a extending outward to the left and right through the rod. Two rod-shaped members 341a are provided at the top and bottom. By providing the release guide 341 in the pull-out transfer device 34, it is possible to reliably release the unnecessary foliage portion Gb to the outside of the machine.

The harvesting section frame 38 includes a pair of left and right side frames 381, 381, an upper frame 382 connecting the upper portions of the side frames 381, 381, and a rear frame 383 connecting the rear portions of the side frames 381, 381. .. The side frame 381 has a substantially triangular shape when viewed from the side. As described above, the weeding device 31 and the soil removing device 35 are fixed to the upper frame 382.

The harvesting section frame 38 is rotatably supported by the conveyor 4. Further, the harvesting section frame 38 is rotatably supported by the traveling machine body 2.

As shown in FIGS. 1 to 5, 6 and 7, the conveyor 4 is arranged so as to be inclined from the front part of the traveling machine body 2 toward the rear upper part. Further, the front end of the conveyor 4 is arranged below the pull-out transfer device 34. That is, the rear portion of the pull-out transfer device 34 and the front portion of the conveyor 4 are arranged so as to overlap each other in a plan view. As a result, the conveyor 4 can convey the ball portion Ga of the garlic G, which has been cut from the foliage portion Gb and has fallen from the pull-out transport device 34, toward the rear and upper direction.

As shown in FIG. 5, the conveyor 4 is a bar conveyor including a plurality of bars 41 extending in the left-right direction. The plurality of bars 41 include bars 41 to which the plurality of projectiles 41a are attached at predetermined intervals, so that the ball portion Ga can be appropriately transported to the rear. Both ends of the bar 41 are fixed to endless chains (not shown) built in a pair of left and

right chain cases

42, 42. The endless chain is driven by power from the engine 10.

At the front end of the conveyor 4, a succession guide 43 for receiving the ball portion Ga from the pull-out transfer device 34 is provided. By providing the inheritance guide 43 at the front end of the conveyor 4, the ball portion Ga of the garlic G that has fallen from the drawing and conveying device 34 can be reliably received and conveyed to the rear. The inheritance guide 43 includes a plate-shaped front guide 43a extending upward from between the left and

right chain cases

42 and 42, and a plate-shaped horizontal guide 43b extending upward from the chain case 42. Further, a lower guide 43c is provided below the front guide 43a so as to fill a gap between the frontmost bar 41 and the front guide 43a. The lower guide 43c is provided with a notch at a position corresponding to the projecting body 41a so that the projecting body 41a can pass through, and has a comb shape in a plan view.

A hopper 44 is provided behind the conveyor 4, and the ball portion Ga of the garlic G conveyed by the conveyor 4 is collected in a container placed behind the traveling machine body 2 via the hopper 44. The hopper 44 is arranged between the engine 10 and the control unit 22.

Behind the traveling machine 2, a container mounting table 23 on which a container is mounted is provided. The container mounting table 23 has a long rectangular shape in the left-right direction, and at least three containers can be placed side by side in the left-right direction. The hopper 44 is arranged at the center of the container mounting table 23 in the left-right direction. As a result, an empty container and a full container can be placed on the left and right sides of the container into which the ball portion Ga is thrown from the hopper 44 on the container mounting table 23, so that the assistant supplies and discharges the container. This makes continuous work possible.

As shown in FIGS. 1 and 6, the pull-out transfer device 34 is arranged behind the plurality of weeding devices 31 and the plurality of scraping devices 32 in the traveling direction. As shown in FIG. 8, in the present embodiment, one pull-out transfer device 34 is provided for each of the two articles, and two pull-out transfer devices 34 are provided for the four articles.

As shown in FIGS. 8 and 14, the bulb vegetable harvester 1 is configured to be compatible with both Article 1 P1 and Article 2 P2. In the present embodiment, the inter-article P1 is 25 cm, the inter-article P2 is narrower than the inter-article 1, and in the present embodiment, it is 20 cm. Specifically, the weeding device 31, the scraping device 32, and the pull-out transfer device 34 are configured to be adjustable in the left-right direction so as to be compatible with both the first section P1 and the second section P2. Has been done.

<Position adjustment of pull-out transfer device 34>
As shown in FIGS. 10 to 14 and 16 to 18, one pull-out transfer device 34 includes a pair of endless transfer belts 34c for sandwiching the garlic G, a drive pulley 34a around which the endless transfer belt 34c is wound, and It is one unit having a driven pulley 34b. The endless transport belt 34c, the drive pulley 34a, and the driven pulley 34b are integrated. The position can be adjusted in units so that the relative positional relationship between the pair of endless transport belts 34c does not change. Specifically, as shown in FIGS. 10, 12, 13, 16 and 18, the pull-out transfer device 34 can rotate about the rotation axis C1 on the rear side in the traveling direction, and is forward. The position of the side can be adjusted in the left-right direction. As shown in FIGS. 8, 10, 11, and 12, when the posture of the pull-out transport device 34 is adjusted to the first section P1, the pull-out transport device 34 moves from the front to the rear in a plan view. Face inward in the left-right direction. As shown in FIGS. 14, 16, 17, and 18, when the posture of the pull-out transport device 34 is adjusted to P2 between Articles 2, the pull-out transport device 34 is parallel to or substantially parallel to the traveling direction in a plan view. It will be in a parallel posture.

As shown in FIGS. 8 and 13, the harvesting section frame 38 is provided with a power transmission shaft 384 extending in the left-right direction. The power transmission shaft 384 receives power transmission from the rear, and transmits power to a shaft for transmitting power to the front weeding device 31, the scraping device 32, and the like. As shown in FIG. 13, the pair of drive arms 34d that support the drive pulley 34a of the pull-out transfer device 34 are rotatably connected to the power transmission shaft 384 about the rotation shaft C1. Further, the drive arm 34d has an arcuate elongated hole 34e centered on the rotation shaft C1, and by changing the tightening position of the bolt passing through the elongated hole 34e with respect to the harvesting portion frame 38, the front of the pull-out transfer device 34 The side can be swung. Further, by fastening a part of the frame 34f on the front side of the pull-out transfer device 34 and the elongated hole 38b formed in a part of the harvesting portion frame 38 with bolts, the swing can be adjusted.

As shown in FIG. 7, the conveyor 4 overlaps with the terminal 34G of the transport path of the garlic G by the pull-out transport device 34 (indicated by the alternate long and short dash line in the figure) in a plan view. It also coincides with the terminal 34G of the transport path of the garlic G by the shoulder alignment device 36.

As shown in FIGS. 2, 6, 12, 13, and 18, the soil removing device 35 is conveyed by the drawing and conveying device 34 by being supported by the drive shaft 35a extending in the left-right direction and rotating. Separate the mud of garlic G. The soil removing device 35 is configured to be adjustable in the left-right direction in order to correspond to the left-right position adjustment of the pull-out transfer device 34. Specifically, the elastic body 35b constituting the device 35 is fixed to the drive shaft 35a by fastening with bolts or screws, and by loosening the bolts or screws, the elastic body 35b slides along the drive shaft 35a. It is possible. As a result, the pull-out transport device 34 can be fixed at a position that matches the swinging motion of the pull-out transport device 34.

<Position adjustment of weeding device 31 and scraping device 32>
As shown in FIGS. 8 and 14, the bulbous vegetable harvester 1 is configured to be compatible with both the first section P1 and the second section P2. Specifically, the weeding device 31 and the scraping device 32 are configured to be position-adjustable in the left-right direction so as to be compatible with both the first section P1 and the second section P2.

As shown in FIGS. 1, 8, 9, 14, and 15, each weeding device 31 is supported by a weeding drive shaft 31c so as to be slidable in the left-right direction. The weeding drive shaft 31c is configured by connecting a plurality of hexagonal shafts, square shafts, or bosses, transmits rotational driving force around the shaft, and allows sliding in the left-right direction. Further, each weeding device 31 has

frames

31d and 33d for fixing the weeding device 31. The frame 31d and the frame 33d are connected to the weeding case 31b. The weeding device 31 adjusts the position of each of the weeding devices 31 independently by changing the fixed positions of the

frames

31d and 33d with respect to the scaffolding members (harvesting section frame 38, first frame 33c, upper frame 382). It is configured to be possible. Since the positions of the weeding devices 31 can be adjusted independently, the weeding device 31 can be adjusted according to the inter-rows when the inter-rows of the bulbous vegetables G are not aligned.

Of the plurality (five) weeding devices 31, the frame 31d for fixing one weeding device 31 on the center side or the center cannot be changed in the fixed position, and the other weeding devices 31 are fixed. The fixed position of the frame can be changed. According to this configuration, the position of the entire harvester can be adjusted by changing the position of the other weeding device 31 without changing the position of one weeding device 31 on the center side, and all the weeds. The amount of work can be reduced as compared with the case where the position of the device 31 is changed, and it is possible to support a plurality of transplantation forms of the harvested product.

The upper frame 382 extends in the left-right direction, and a plurality of fixed positions of the frame 31d for fixing the weeding device 31 with respect to the upper frame 382 are provided along the left-right direction. As a result, the plurality of weeding devices 31 are configured so that the positions can be adjusted in parallel in the left-right direction toward the traveling direction. According to this configuration, when the position of the weeding device 31 is adjusted, the position of the weeding device 31 is adjusted in parallel in the left-right direction, so that the height of the weeding device 31 does not change and the crop of the weeding device 31 is reached. It is possible to adjust the position of the weeding device 31 without changing the action of.

As shown in FIG. 6, the front end of the weeding device 31 is arranged in front of the front end of the scraping device 32. Further, as shown in FIGS. 6, 8 and 9, each scraping device 32 is supported by a weeding drive shaft 31c so as to be slidable in the left-right direction. The scraping device 32 has a scraping arm 32d connected to the weeding drive shaft 31c, and can slide and move in the left-right direction along the weeding drive shaft 31c via the scraping arm 32d. Further, the scraping arm 32d transmits the power of the weeding drive shaft 31c in order to rotate the tine 32a of the scraping device 32. In the front view or the plan view, the pair of scraping

devices

32, 32 adjacent to each other with the weeding device 31 in between have a scraping arm 32d connected to the weeding case 31b of the sandwiching weeding device 31, and the weeding device 31. And a pair of scraping devices 32 are integrated into one unit. That is, the scraping device 32 is connected to the weeding device 31, and its position can be adjusted together with the weeding device 31. According to this configuration, the position of the scraping device 32 is also changed integrally by simply changing the fixed position of the frame 31d for fixing the weeding device 31, so that the weeding device 31 and the scraping device 32 It is possible to facilitate the work as compared with the case where the positions are individually changed.

It is configured to guide the harvested material between the weeding device 31 and the pair of scraping devices 32 as the bulbous vegetable harvester 1 progresses, and the distance between the weeding device 31 and the scraping device 32. That is, if the distance between the pair of scraping devices 32 is changed, it will not be possible to properly act on the harvested product. Therefore, in the present embodiment, since the weeding device 31 and the pair of scraping devices 32 are integrated, the pair of scraping devices 32 are configured so that the positions can be adjusted in unit units so that the distance between the pair of scraping devices 32 does not change. Has been done. According to this configuration, since the distance between the pair of scraping devices 32 does not change, the action of the scraping device 32 on the bulbous vegetable G can be appropriately ensured.

As described above, the bulb vegetable harvester 1 of the present embodiment corresponds to the bulb vegetables G of a plurality of rows, and lifts the foliage portion Gb of the bulb vegetables G upward to divide the bulb vegetables G into rows. A device 31, a plurality of scraping devices 32 corresponding to a plurality of bulbous vegetables G and aggregating the foliage Gb of the plurality of bulbous vegetables G, a plurality of weeding devices 31 and a plurality of scrapes in the traveling direction. A pull-out transport device 34, which is arranged behind the crowding device 32 and sandwiches the aggregated foliage portion Gb and pulls out and transports the bulbous vegetable G, is provided. The pull-out transfer device 34 is configured so that the position can be adjusted in the left-right direction with respect to the traveling direction.

According to this configuration, it is possible to operate the pull-out transfer device 34 corresponding to the transplantation form in which the inter-rows are different.

If the distance between the pair of endless transport belts changes, the transport efficiency may decrease, transport may not be possible, or clogging may occur. Therefore, as in the present embodiment, the pull-out transport device 34 is one unit having a pair of endless transport belts 34c for sandwiching the bulbous vegetables G, and the pull-out transport device 34 is a relative of the pair of endless transport belts 34c. It is preferable that the position can be adjusted for each unit so that the positional relationship does not change.

As described above, the pull-out transfer device 34 is one unit having a pair of endless transfer belts 34c, and the position can be adjusted for each unit so that the relative positional relationship between the endless transfer belts 34c does not change. After adjusting the position of the device 34 in the left-right direction, it is not necessary to adjust the distance between the endless transport belts 34c, and the work of changing the inter-rows can be facilitated.

As in the present embodiment, it is preferable that the pull-out transfer device 34 can rotate about the rotation axis C1 on the rear side in the traveling direction, and the position on the front side can be adjusted in the left-right direction.

As described above, since the pull-out transfer device 34 can rotate about the rotation shaft C1 on the rear side and the position on the front side can be adjusted in the left-right direction, the position of the end 34G of the transfer path by the pull-out transfer device 34 can be adjusted. It is possible to suppress changes and suppress the increase in size of the device. In addition, the harvested material can be collected on the center side of the machine body, and it is possible to suppress the increase in size of the device.

As in the present embodiment, the conveyor 4 is arranged behind the pull-out transport device 34 and transports the bulbous vegetables G transported by the pull-out transport device 34, and the conveyor 4 is provided with the bulbous vegetables by the pull-out transport device 34 in a plan view. It is preferable that it overlaps with the terminal 34G of the transport path of G.

According to this configuration, even if the position of the pull-out transfer device 34 is adjusted in the left-right direction, the position where the harvested material is conveyed to the conveyor 4 does not change, so that the size of the conveyor 4 can be avoided and the size of the device can be suppressed. It will be possible.

As described above, since the soil removing device 35 is also configured to be able to adjust the position in the left and right direction in accordance with the position adjustment in the left and right direction of the pull-out transport device 34, the soil removing device 35 acts appropriately on the bulb vegetable G. It becomes possible to be done.

The bulb vegetable harvester 1 of the present embodiment corresponds to a plurality of bulb vegetables G, and has a plurality of weeding devices 31 that lift the stem and leaf portion Gb of the bulb vegetables G upward to divide the bulb vegetables G into rows, and a plurality of. It is provided with a plurality of scraping devices 32 for aggregating the foliage Gb of the plurality of bulbs G, corresponding to the bulbs G of the strips. The plurality of weeding devices 31 and the plurality of scraping devices 32 are configured to be adjustable in position in the left-right direction with respect to the traveling direction.

According to this configuration, it is possible to operate the weeding device 31 and the scraping device 32 corresponding to the transplanting forms having different interrows.

As in the present embodiment, each weeding device 31 has

frames

31d and 33d for fixing the weeding device, and by changing the fixing position of the

frames

31d and 33d, each weeding device 31 It is preferable that the position can be adjusted independently.

In this way, since the positions of the weeding devices 31 can be adjusted independently, the weeding device 31 can be adjusted according to the inter-rows when the bulbs of the bulbous vegetables G are not aligned.

As in the present embodiment, the fixed position of the frame 31d for fixing one weeding device 31 on the center side of the plurality of weeding devices 31 cannot be changed, and among the plurality of weeding devices 31 It is preferable that the

frames

31d and 33d for fixing the other weeding device 31 are configured so that the fixed positions can be changed.

According to this configuration, the position of the entire harvester can be adjusted by changing the position of the other weeding device 31 without changing the position of one weeding device 31 on the center side, and all the weeds. The amount of work can be reduced as compared with the case where the position of the device 31 is changed, and it is possible to support a plurality of transplantation forms of the harvested product.

As in the present embodiment, it is preferable that the plurality of weeding devices 31 are configured so that their positions can be adjusted in parallel in the left-right direction toward the traveling direction.

According to this configuration, when the position of the weeding device 31 is adjusted, the position of the weeding device 31 is adjusted in parallel in the left-right direction, so that the height of the weeding device 31 does not change and the crop of the weeding device 31 is reached. It is possible to adjust the position of the weeding device 31 without changing the action of.

As in the present embodiment, it is preferable that each scraping device 32 is connected to the weeding device 31 and is integrally adjustable in position with the weeding device 31.

According to this configuration, the position of the scraping device 32 is also changed integrally by simply changing the fixed position of the frame 31d for fixing the weeding device 31, so that the weeding device 31 and the scraping device 32 It is possible to facilitate the work as compared with the case where the positions are individually changed.

When the harvested material is guided between the weeding device 31 and the pair of scraping devices 32 as the bulbous vegetable harvesting machine 1 progresses, the weeding device 31 and the scraping device 32 If the distance between them, that is, the distance between the pair of scraping devices 32 is changed, the crop cannot be properly acted on.

As in the present embodiment, the plurality of scraping devices 32 include a pair of scraping

devices

32, 32 adjacent to each other with the weeding device 31 sandwiched in front view or a plan view, and are sandwiched by the pair of scraping devices 32. It is preferable that the weeding device 31 is one unit, and the pair of scraping

devices

32, 32 are configured so that the positions can be adjusted in units so that the distance between them does not change.

In this way, since the pair of scraping devices 32 are configured so that the positions of the pair of scraping devices 32 can be adjusted in units so that the spacing between them does not change, the pair of scraping devices 32 do not change the spacing between each other. The action of 32 on the bulbous vegetable G can be appropriately ensured.

Although the embodiments of the present disclosure have been described above based on the drawings, it should be considered that the specific configuration is not limited to these embodiments. The scope of the present disclosure is shown not only by the description of the above-described embodiment but also by the scope of claims, and further includes all modifications within the meaning and scope equivalent to the scope of claims.

The present invention can be used in a bulb vegetable harvester for harvesting bulb vegetables.

G garlic (bulb vegetables)
Gb foliage 31 Weeding device 31d frame 32 Scraping device 33d frame 34 Pull-out transfer device 34c Endless transfer belt 35 Soil removal device 4 Conveyor

Claims

A plurality of weeding devices that support a plurality of bulbous vegetables and lift the stems and leaves of the bulbous vegetables upward to divide the bulbous vegetables into individual strips.
A plurality of scraping devices that correspond to the plurality of bulbous vegetables and aggregate the foliage of the plurality of bulbous vegetables,
It is provided with a pull-out transport device which is arranged behind the plurality of weeding devices and the plurality of scraping devices in the direction of travel, sandwiches the aggregated foliage portions, and pulls out and transports the bulbous vegetables.
The drawing and transporting device is a bulbous vegetable harvester that is configured to be adjustable in position in the left-right direction with respect to the traveling direction.
The pull-out transport device is one unit having a pair of endless transport belts for sandwiching the bulbous vegetables.
The bulbous vegetable harvester according to claim 1, wherein the pull-out transfer device is configured so that the position can be adjusted in units of the units so that the relative positional relationship between the pair of endless transfer belts does not change.
The bulbous vegetable harvesting according to claim 1 or 2, wherein the drawing and transporting device is rotatable about a rotation axis on the rear side in the traveling direction and is configured so that the position on the front side can be adjusted in the left-right direction. Machine.
A conveyor is provided behind the pull-out transport device and transports the bulbous vegetables transported by the pull-out transport device.
The bulb vegetable harvester according to any one of claims 1 to 3, wherein the conveyor overlaps the end of the bulb vegetable transport path by the pull-out transport device in a plan view.
A soil removing device is provided below the pull-out transport device, which separates the mud of the bulbous vegetables transported by the pull-out transport device by being supported by a shaft extending in the left-right direction and rotating.
The bulbous vegetable harvester according to any one of claims 1 to 4, wherein the soil removing device is configured so that the position can be adjusted in the left-right direction in order to correspond to the position adjustment in the left-right direction of the pull-out transfer device.
A plurality of weeding devices that support a plurality of bulbous vegetables and lift the stems and leaves of the bulbous vegetables upward to divide the bulbous vegetables into individual strips.
It is provided with a plurality of scraping devices that correspond to the plurality of bulbous vegetables and aggregate the foliage of the plurality of bulbous vegetables.
The plurality of weeding devices and the plurality of scraping devices are configured to be adjustable in position in the left-right direction with respect to the traveling direction, and are a bulbous vegetable harvester.
Each of the weeding devices has a frame for fixing the weeding device, and by changing the fixed position of the frame, the position can be adjusted independently for each weeding device. Item 6. The bulbous vegetable harvester according to item 6.
The fixed position of the frame for fixing one of the plurality of weeding devices on the central side cannot be changed, and the other weeding devices of the plurality of weeding devices are fixed. The bulbous vegetable harvester according to claim 7, wherein the frame is configured so that the fixed position can be changed.
The bulbous vegetable harvester according to any one of claims 6 to 8, wherein the plurality of weeding devices are configured so as to be adjustable in position in parallel in the left-right direction toward the traveling direction.
The bulbous vegetable harvester according to any one of claims 6 to 9, wherein each scraping device is connected to the weeding device and is configured to be integrally adjustable with the weeding device.
The plurality of scraping devices include a pair of scraping devices adjacent to each other across the weeding device in front view or plan view.
The pair of scraping devices and the sandwiched weeding device are one unit.
The bulbous vegetable harvester according to any one of claims 6 to 10, wherein the pair of scraping devices are configured so that the positions of the pair of scraping devices can be adjusted in units of the units so that the distance between them does not change.