JP2010148356A - Weeding apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weeding apparatus which can move weeding tines so as to follow crop lines, even when a tractor travels in an inclined field. <P>SOLUTION: The weeding apparatus includes a support member arranged in a direction orthogonal to a travel direction, a cylinder mounted on the support member, longitudinal beams disposed at both the ends of the support member and extending in a direction orthogonal to the support member, weeding tine-attaching members which are attached to the longitudinal beams through hinge portions in a state capable of being rotated on a horizontal plane and to whose rear ends the weeding tines are attached, and a connection member which is arranged above the support member and binds the weeding tine-attaching members to each other through pins. The tip of the rod of the cylinder is connected to the connection member, and the rod is extended or contracted to laterally move the weeding tine-attaching members, thereby moving the weeding tines to follow the crop lines. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates generally to weeding devices. More specifically, the present invention relates to a weeding device that enables movement of a weeding tine so as to follow a crop line.

  A herbicidal device is known that is used by being attached to the rear part of a cultivator or the like. Such a weeding device is configured to perform weeding by bringing the weeding tine into contact with the ridge by pulling a cultivator or the like to which the weeding device is attached with a tractor.

  In the weeding device as described above, when the tractor that pulls the cultivator or the like (and hence the weeding device) travels on a flat ground, the weeding tine can be moved so as to follow the crop row. When trying to drive a tractor along a slope that slopes toward the valley side, the tractor must be run while tilting toward the mountain side so that the tractor does not slide down to the valley side. As a result, there is a problem that the weeding tine damages the crop.

  The present invention has been developed in view of such a situation, and provides a weeding device capable of moving a weeding tine so as to follow a crop row even when a tractor is driven on an inclined land. The purpose is to do.

  The weeding apparatus according to claim 1 of the present application includes a support member disposed in a direction substantially orthogonal to the traveling direction, a cylinder mounted on the support member, and orthogonal to the support member at both ends of the support member. A vertical girder arranged so as to extend in a direction to rotate, a weeding tine mounting member attached to the vertical member so as to be rotatable in a horizontal plane via a hinge portion, and attached with a weeding tine, and above the support member A connecting member that connects the weeding tine mounting members to each other via a pin, connects a tip of the rod of the cylinder and the connecting member, and expands and contracts the rod to move the weeding tine mounting member left and right The herbicidal tine is moved so as to follow the crop line.

  A weeding device according to a second aspect of the present invention includes a support member disposed in a direction substantially orthogonal to a traveling direction, a cylinder mounted on the support member, and a slide nested in the support member. And a weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member, to which a weeding tine is attached, and connecting a tip of the rod of the cylinder and the sliding member. The rod is extended and contracted to move the weeding tine mounting member to the left and right to move the weeding tine so as to follow the crop row.

  A weeding device according to a third aspect of the present invention includes a support member disposed in a direction substantially orthogonal to the traveling direction, a cylinder mounted on the support member, and a sliding telescoped in the support member. A main unit having a member and a weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member, and disposed in a direction substantially orthogonal to the traveling direction. A supporting member, a sliding member nested in the supporting member, and a weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member and to which a weeding tine is attached. The main unit sliding member and the sub unit sliding member are connected to each other, and the tip of the cylinder rod and the main unit sliding member are connected to each other. It was ligated, by moving to the left and right herbicidal tine mounting member by expanding or contracting the rod, and is characterized in that it is configured to move the herbicidal tines so as to follow the crop rows.

  The weeding device according to claim 4 of the present invention is formed of a U-shaped cross-sectional member that is arranged in a direction substantially orthogonal to the traveling direction and is open on the side, and a roller is provided on the open side of the U-shaped cross-sectional member. A support member mounted rotatably, a cylinder mounted on the support member, a sliding member housed in a space formed by the U-shaped cross-sectional member and the roller, and the sliding member substantially A weeding tine attaching member attached to the sliding member so as to be orthogonal to each other, and a weeding tine attaching member to which a weeding tine is attached, connecting a tip of the rod of the cylinder and the sliding member, and expanding and contracting the rod to remove the weeding tine By moving the attachment member to the left and right, the herbicidal tine is moved so as to follow the crop row.

  The weeding device according to claim 5 of the present invention is formed of a U-shaped cross-sectional member that is arranged in a direction substantially orthogonal to the traveling direction and is open on the side, and a roller is provided on the open side of the U-shaped cross-sectional member. A support member mounted rotatably, a cylinder mounted on the support member, a sliding member housed in a space formed by the U-shaped cross-sectional member and the roller, and the sliding member substantially A main unit having a weeding tine mounting member attached to the sliding member so as to be orthogonal to each other, and a weeding tine mounting member, and a U-shaped crossing that is arranged in a direction substantially orthogonal to the traveling direction and is open at the side. A support member formed by a surface member and rotatably attached to an open side of the U-shaped cross-sectional member; and a sliding member housed in a space formed by the U-shaped cross-sectional member and the roller And the sliding member One or a plurality of sub-units having a weeding tine mounting member attached to the sliding member so as to be orthogonal to each other and having a weeding tine attached thereto, the sliding member of the main unit and the sliding of the sub-unit A member is connected, and the tip of the rod of the cylinder and the sliding member of the main unit are connected, and the rod is extended and contracted to move the weeding tine mounting member left and right so as to follow the crop row It is configured to move the weeding tine.

  The weeding device according to claim 6 of the present invention, a support member disposed in a direction substantially orthogonal to the traveling direction, a cylinder mounted on the support member so that the rear end can be rotated in a horizontal plane, A cross member disposed substantially parallel to the support member, a first link member and a second link member that are combined with the support member and the cross member to form a link mechanism, and substantially perpendicular to the cross member. A weeding tine attachment member attached to the cross member and attached with a weeding tine, connecting a tip of a rod of the cylinder and the first link member, and extending and contracting the rod to operate the link mechanism. The herbicidal tine mounting member is moved left and right to move the weeding tine so as to follow the crop row.

  The weeding device according to claim 7 of the present invention, a support member disposed in a direction substantially orthogonal to the traveling direction, a cylinder mounted on the support member so that the rear end can be rotated in a horizontal plane, A cross member disposed substantially parallel to the support member, a first link member and a second link member that are combined with the support member and the cross member to form a link mechanism, and substantially perpendicular to the cross member. A main unit having a weeding tine attachment member attached to the cross member and attached with a weeding tine, a support member arranged in a direction substantially perpendicular to the traveling direction, and arranged substantially parallel to the support member A weed tie attached to the cross member so as to be substantially orthogonal to the cross member, a first link member and a second link member which are combined with the support member and the cross member to form a link mechanism. One or a plurality of sub-units having a weed tine mounting member attached to the main unit, connecting the cross member of the main unit and the cross member of the sub unit, the tip of the rod of the cylinder and the first 1 link member is connected, the rod is extended and contracted to operate the link mechanism, and the weeding tine mounting member is moved left and right to move the weeding tine to follow the crop row. It is characterized by being.

  The weeding device according to claim 8 of the present application is the device according to any one of claims 1 to 7, further comprising a sensor for detecting a position of the crop row, and the position of the weed tine and the crop row. The cylinder is configured to be driven when a deviation occurs in the position of the cylinder.

  According to the present invention, by driving the cylinder, the position of the weeding tine can be easily adjusted so as to follow the crop row. In particular, in the devices according to the second, third and fourth embodiments of the present invention, the weeding tine can be moved while maintaining an upright state without being inclined, so there is a risk of damaging the crop during the weeding operation. Significantly reduce and enable efficient weeding work. Further, in the apparatus according to the third embodiment of the present invention, since the support member is formed of a U-shaped cross-sectional member, foreign matter such as dirt and dust is present in the gap between the support member and the sliding member. Even if it is sandwiched, these foreign substances can be easily removed from the open side of the U-shaped cross-sectional member. Since the apparatus of the present invention has a relatively simple structure, the manufacturing cost is low and the possibility of failure is low, so that the maintenance cost can be kept low. In the apparatus of the present invention, the position of the weeding tine can be adjusted while sitting on the driver's seat by installing a cylinder control box (operation panel) in the driver's seat of the tractor.

  Next, a weeding apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a schematic perspective view showing the whole weeding device according to the first embodiment of the present invention, FIG. 2 is a front view of the weeding device of FIG. 1, and FIG. 3 is a plan view of the weeding device of FIG. FIG. The weeding device according to the first embodiment of the present invention generally indicated by reference numeral 10 in FIG. 1 includes a support member 12 arranged in a direction substantially perpendicular to the traveling direction of the weeding device, A cylinder 14 is attached to the support member 12. The cylinder 14 is driven by a drive source 14b. The cylinder 14 may be an electric type or a hydraulic type.

  Longitudinal members 16 are attached to both ends of the support member 12 so as to extend perpendicular to the support member 12 in the traveling direction.

  The weeding device 10 also includes a weeding tine attachment member 20 whose front end is attached to the vertical member 16 so as to be rotatable in a horizontal plane via a hinge portion 18. A herbicidal tine 22 (two in FIG. 1) is attached to the rear end of each weed tine attaching member 20. The weeding tine 22 itself is a known weeding instrument.

  The weeding device 10 further includes a connecting member 24 that is located above the support member 12 and connects the left and right weeding tine attachment members 20 with pins 24a. The connecting member 24 is connected to the tip of the rod 14 a of the cylinder 14 via a connecting tool 26.

  The weeding device 10 is connected to a cultivator (not shown) via a connector 28 and used by towing the cultivator with a tractor (not shown).

  Next, the operation of the weeding device 10 configured as described above will be described with reference to FIGS. 4 and 5. The weeding work is performed by connecting the weeding device 10 to the cultivator and pulling the cultivator with the tractor. In the weeding operation, the weeding device 10 is moved so that the center line of the weeding tine 22 follows the crop row. However, when the tractor is intended to run in an inclined state, it follows the crop row. The weeding tine 22 is moved. That is, when the cylinder 14 is driven to extend the rod 14a, the connecting member 24 moves to the right as shown in FIG. 4, so that the left and right weeding tine mounting members 20 are counterclockwise around the hinge portion 18. Rotating around, thereby moving the weeding tine 22 to the right. On the other hand, when the rod 14a is contracted by driving the cylinder 14, the connecting member 24 moves to the left as shown in FIG. 5, so that the left and right weeding tine mounting members 20 rotate clockwise around the hinge portion 18. This causes the weeding tine 22 to move to the left.

  FIG. 6 is a plan view showing a modified form of the weeding device 10. In the weeding device 10 shown in FIG. 1, the support member 12, the cylinder 14, and the connecting member 24 are disposed behind the hinge member 18, but as shown in FIG. 6, the support member 12 is located in front of the hinge member 18. The cylinder 14 and the connecting member 24 may be disposed. In the weeding device shown in FIG. 6, when the rod 14a is extended, the connecting member 24 moves to the right, and as a result, the weeding tine 22 moves to the left (see black arrow). On the other hand, when the rod 14a is contracted, the connecting member 24 moves to the left, and as a result, the weeding tine 22 moves to the right (see white arrow).

  FIG. 7 is a plan view showing another modification of the weeding device 10. The weeding device shown in FIG. 7 is obtained by connecting two two-row type weeding devices 10 to form a four-row type weeding device. That is, the connecting members 24 of the two two-row weeding devices 10 are connected to each other by the second connecting member 25, so that the rod 14 a of the cylinder 14 attached to one (right) weeding device 10 is expanded or contracted. It is intended to extend the movement to the other (left side) weeding device 10.

  FIG. 8 is a schematic perspective view showing the entire weeding device according to the second embodiment of the present invention. The weeding device according to the second embodiment of the present invention generally indicated by reference numeral 30 in FIG. 8 includes a support member 32 arranged in a direction substantially orthogonal to the traveling direction of the weeding device, A cylinder 34 is attached to the support member 32. The cylinder 34 is driven by a drive source 34b. Note that the cylinder 34 may be an electric type or a hydraulic type similarly to the cylinder 14.

  The weeding device 30 is also provided with a sliding member 36 nested in a support member 32 (see FIG. 9). A herbicidal tine mounting member 40 is bolted to both ends of the sliding member 36 via a clamp 38, and a herbicidal tine (two in FIG. 8) is attached to the rear end of each weeding tine mounting member 40. 42 are respectively attached. The support member 32 is illustrated as a square pipe, but other members such as a circular pipe may be used as long as the sliding member 36 can be accommodated in a nested manner.

  The weeding device 30 further includes a connecting member 44 for connecting the rod 34a of the cylinder 34 and the sliding member 36 (see FIG. 10).

  In addition, the weeding device 30 is connected to a cultivator (not shown) through the connector 46 and used by pulling the cultivator with a tractor (not shown), like the weeding device 10.

  Next, with reference to FIG. 12, the operation of the weeding device 30 configured as described above will be described. As in the case of the weeding device 10, the weeding work is performed by connecting the weeding device 30 to the cultivator and pulling the cultivator with the tractor. In the weeding operation, the weeding device 30 is moved so that the center line of the weeding tine 32 follows the crop row. However, when the tractor is intended to run in an inclined state, it follows the crop row. The weeding tine 32 is moved. That is, when the rod 34a is extended by driving the cylinder 34, the sliding member 36 moves to the left as shown in FIG. 12, so that the left and right weeding tines attached to both ends of the sliding member 36 are moved. The attachment member 40 (and thus the weeding tine 42) moves to the left. On the other hand, when the cylinder 34 is driven and the rod 34a is contracted, the sliding member 36 moves to the right. Therefore, the left and right weeding tine attachment members 40 attached to both ends of the sliding member 36 (therefore, the weeding tine). 42) will move to the right.

  FIG. 13 is a plan view showing a modified form of the weeding device 30. The weeding device shown in FIG. 13 is a four-row weeding device by connecting two two-row weeding devices 30. That is, the rods of the cylinder 34 mounted on one (right side) weeding device (main unit) 30 by connecting the sliding members 36 of the two two-row weeding devices 30 with the connecting member 35. The telescopic movement of 34a is also applied to the other (left side) weeding device (sub unit) 30. At this time, a plurality of sub units may be connected.

  FIG. 14 is a schematic perspective view showing the entire weeding device according to the third embodiment of the present invention. The weeding device according to the third embodiment of the present invention generally indicated by reference numeral 50 in FIG. 14 includes a support member 52 arranged in a direction substantially orthogonal to the traveling direction of the weeding device, A cylinder 54 is attached to the support member 52.

  As best shown in FIG. 18B, the support member 52 is formed of a member 52a having a substantially U-shaped cross section that is open on the side, and the roller 52b is rotatable on the open side of the member 52a. It is installed. The cylinder 54 is driven by a drive source 54b. The cylinder 54 may be an electric type or a hydraulic type as in the cylinders 14 and 34.

  The weeding device 50 also includes a sliding member 56 slidably accommodated in the support member 52. That is, the sliding member 56 is accommodated in the space constituted by the member 52a and the roller 52b (see FIG. 18B), and the sliding member 56 slides smoothly along the roller 52b. It has become.

  A herbicidal tine mounting member 60 is bolted to both ends of the sliding member 56 via a clamp 58, and each of the weeding tine mounting members 60 has three weeding tines 62 in FIG. Installed.

  The weeding device 50 further includes a connecting member 64 for connecting the rod 54a of the cylinder 54 and the sliding member 56 (see FIG. 14).

  In addition, the weeding device 50 is connected to a cultivator (not shown) through the connector 66 and used by pulling the cultivator with a tractor (not shown), like the weeding devices 10 and 30. .

  Next, with reference to FIGS. 15-17, the action | operation of the weeding apparatus 50 comprised as mentioned above is demonstrated. As in the case of the weeding devices 10 and 30, weeding work is performed by connecting the weeding device 50 to the cultivator and pulling the cultivator with a tractor. In the weeding operation, the weeding device 50 is moved so that the center line of the weeding tine 62 follows the crop row. However, when the tractor is intended to run in an inclined state, it follows the crop row. The weeding tine 62 is moved. That is, when the cylinder 54 is driven to extend the rod 54a, the sliding member 56 moves to the left as shown in FIG. 16, so the left and right weeding tines attached to both ends of the sliding member 56 The attachment member 60 (and thus the weeding tine 62) moves to the left. On the other hand, when the cylinder 54 is driven and the rod 54a is contracted, as shown in FIG. 17, the sliding member 56 moves to the right, so that the left and right weeding tines attached to both ends of the sliding member 56 The attachment member 60 (and therefore the weeding tine 62) moves to the right.

  FIG. 19 is a perspective view showing a modified form of the weeding device 50. The weeding device shown in FIG. 19 is obtained by connecting two two-row weeding devices 50 to form a four-row weeding device. That is, the rods of the cylinder 54 mounted on one (right side) weeding device (main unit) 50 by connecting the sliding members 56 of the two two-row weeding devices 50 with the connecting member 55. The telescopic motion of 54a is also applied to the other (left side) weeding device (sub unit) 50. At this time, a plurality of sub units may be connected.

  FIG. 20 is a schematic perspective view showing the whole of the weeding apparatus according to the fourth embodiment of the present invention. A weeding device according to a fourth embodiment of the present invention, indicated as a whole by reference numeral 70 in FIG. 20, includes a support member 72 arranged in a direction substantially perpendicular to the traveling direction of the weeding device. A cylinder 74 is attached to the support member 72 so as to be rotatable in a horizontal plane by a pin 74c at a rear end (that is, an end opposite to the rod 74a). The cylinder 74 is driven by a drive source 74b. The cylinder 74 may be an electric type or a hydraulic type.

  The weeding device 70 also includes a cross member 73 disposed substantially parallel to the support member 72, and a first link member 75 and a second link member 76 that are combined with the support member 72 and the cross member 73 to form a link mechanism. I have. Referring to FIG. 21, the rod 74a of the cylinder 74 is rotatably attached to one end of the first link member 75 by a pin 75a, and the other end of the first link member 75 is a predetermined portion of the cross member 73. Further, the end of the support member 72 and an intermediate portion of the first link member 75 are rotatably attached by a pin 75c. In addition, one end of the second link member 76 is rotatably attached to the support member 72 by a pin 74c at the rear end of the cylinder 74, and the other end of the second link member 76 is rotatable by a pin 76a at a predetermined position of the cross member 73. Is attached. With this configuration, as will be described in detail later, the cross member 73 can be moved left and right by expansion and contraction of the rod 74a of the cylinder 74.

  The weeding device 70 also includes a weeding tine attachment member 80 bolted to both ends of the cross member 73 via clamps 78. Each of the weeding tine attachment members 80 is attached with a weeding tine 82 (three in FIG. 20). The herbicidal tine 82 itself is a known weeding instrument.

  The weeding device 70 is connected to a cultivator (not shown) via a connector 86 (see FIG. 20), and is used by towing the cultivator with a tractor (not shown).

  Next, with reference to FIGS. 21 to 23, the operation of the weeding device 70 configured as described above will be described. The weeding operation is performed by connecting the weeding device 70 to the cultivator and pulling the cultivator with the tractor. In the weeding operation, the weeding device 70 is moved so that the center line of the weeding tine 82 follows the crop row. However, when the tractor is intended to run in an inclined state, it follows the crop row. The weeding tine 82 is moved. That is, when the rod 74a is extended by driving the cylinder 74, the first link member 75 and the second link member 76 are rotated counterclockwise as shown in FIG. , The weeding tine 82) moves to the right. On the other hand, when the cylinder 74 is driven to contract the rod 74a, the first link member 75 and the second link member 76 rotate clockwise as shown in FIG. The weeding tine 82) moves to the left.

  FIG. 24 is a perspective view showing a modified form of the weeding device 70. The weeding device shown in FIG. 24 is obtained by connecting two two-row weeding devices 70 to form a four-row weeding device. That is, the rods 74a of the cylinder 74 mounted on one (right side) weeding device (main unit) 70 by connecting the cross members 73 of the two two-row weeding devices 70 with the connecting member 77. Is intended to extend to the other (left side) weeding device (sub unit) 70. At this time, a plurality of sub units may be connected.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say, it is something.

  For example, the dimensions, quantities, and shapes of the weeding tines 22, 42, 62, and 82 shown in the above-described embodiment are merely exemplary, It is not limited to. In the embodiment, two or three weeding tine attachment members (that is, two-row type) are attached to one weeding device, but one or four or more weeding tine attachment members are provided. May be attached.

  In addition, a sensor (not shown) for detecting the position of the crop row is installed, and when there is a deviation between the position of the weeding tines 22, 42, 62, 82 and the position of the crop row, the cylinders 14, 34, 54, 74 may be driven to correct the deviation between the weeding tines 22, 42, 62, 82 and the position of the crop row.

It is the schematic perspective view which showed the whole weeding apparatus based on the 1st Embodiment of this invention. It is a front view of the weeding apparatus of FIG. It is a top view of the weeding apparatus of FIG. It is a figure for demonstrating the action | operation of the weeding apparatus of FIG. It is another figure for demonstrating the action | operation of the weeding apparatus of FIG. It is the top view which showed the modification of the weeding apparatus of FIG. It is the perspective view which showed another modification of the weeding apparatus of FIG. It is the schematic perspective view which showed the whole weeding apparatus based on the 2nd Embodiment of this invention. It is the expansion perspective view which showed the supporting member, cylinder, and sliding member of the weeding apparatus of FIG. It is a top view of the weeding apparatus of FIG. It is a front view of the weeding apparatus of FIG. It is a figure for demonstrating the action | operation of the weeding apparatus of FIG. It is the perspective view which showed the modification of the weeding apparatus of FIG. It is the schematic perspective view which showed the whole weeding apparatus based on the 3rd Embodiment of this invention. It is a top view of the weeding apparatus of FIG. It is a figure for demonstrating the action | operation of the weeding apparatus of FIG. It is another figure for demonstrating the action | operation of the weeding apparatus of FIG. 18 (a) is an enlarged perspective view showing the support member, cylinder and sliding member of the weeding device of FIG. 14, and FIG. 18 (b) is seen along line 18b-18b of FIG. 18 (a). It is sectional drawing. It is the perspective view which showed the modification of the weeding apparatus of FIG. It is the schematic perspective view which showed the whole weeding apparatus based on the 4th Embodiment of this invention. It is a top view of the weeding apparatus of FIG. It is a figure for demonstrating the action | operation of the weeding apparatus of FIG. It is another figure for demonstrating the action | operation of the weeding apparatus of FIG. It is the perspective view which showed the modification of the weeding apparatus of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Weeding apparatus which concerns on 1st Embodiment 12 Support member 14 Cylinder 14a Rod 14b Drive source 16 Vertical member 18 Hinge member 20 Weeding tine attachment member 22 Weeding tine 24 Connection member 24a Pin 26 Connection tool 28 Connection tool 30 2nd Weeding device 32 according to embodiment 32 support member 34 cylinder 34a rod 34b drive source 36 sliding member 38 clamp 40 weeding tine mounting member 42 weeding tine 44 connecting member 50 weeding device 52 according to the third embodiment 52 support member 54 Cylinder 54a Rod 54b Drive source 56 Sliding member 58 Clamp 60 Weeding tine mounting member 62 Weeding tine 64 Connecting member 66 Connecting tool 70 Weeding device according to the fourth embodiment 72 Support member 73 Cross member 74 Cylinder 74a Rod 74b Drive Source 75 First link member 76 Second relay Click member 78 clamp 80 herbicide tine mounting member 82 Herbicidal tines 86 connector

Claims (8)

A support member disposed in a direction substantially perpendicular to the traveling direction;
A cylinder mounted on the support member;
Stringers arranged respectively at both ends of the support member so as to extend in a direction orthogonal to the support member;
A herbicidal tine mounting member attached to the longitudinal member for rotation in a horizontal plane via a hinge part, and a weeding tine attached thereto;
It is located above the support member, and includes a connecting member that connects the weed tine mounting members together via pins,
The tip of the rod of the cylinder and the connecting member are connected, and the weeding tine is moved so as to follow the crop row by extending the rod and moving the weeding tine mounting member left and right. A weeding device. A support member disposed in a direction substantially perpendicular to the traveling direction;
A cylinder mounted on the support member;
A sliding member nested in the support member;
A weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member, and a weeding tine mounting member,
The tip of the rod of the cylinder and the sliding member are connected, and the weeding tine is moved so as to follow the crop row by extending the rod and moving the weeding tine mounting member left and right. A weeding device characterized by that. A support member disposed in a direction substantially perpendicular to the traveling direction;
A cylinder mounted on the support member;
A sliding member nested in the support member;
A main unit having a weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member and to which a weeding tine is attached;
A support member disposed in a direction substantially perpendicular to the traveling direction;
A sliding member nested in the support member;
One or a plurality of sub-units having a weeding tine attachment member attached to the sliding member so as to be substantially orthogonal to the sliding member and to which a weeding tine is attached;
The sliding member of the main unit and the sliding member of the sub unit are connected,
The tip of the rod of the cylinder and the sliding member of the main unit are connected, and the weed tine is moved so as to follow the crop row by extending the rod and moving the weed tine mounting member to the left and right. The weeding device characterized by being comprised. A support member that is disposed in a direction substantially perpendicular to the traveling direction, is formed of a U-shaped cross-sectional member that is open on the side, and a roller is rotatably attached to the open side of the U-shaped cross-sectional member;
A cylinder mounted on the support member;
A sliding member housed in a space formed by the U-shaped cross-sectional member and the roller;
A weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member, and a weeding tine mounting member,
The tip of the rod of the cylinder and the sliding member are connected, and the weeding tine is moved so as to follow the crop row by extending the rod and moving the weeding tine mounting member left and right. A weeding device characterized by that. A support member that is disposed in a direction substantially perpendicular to the traveling direction, is formed of a U-shaped cross-sectional member that is open on the side, and a roller is rotatably attached to the open side of the U-shaped cross-sectional member;
A cylinder mounted on the support member;
A sliding member housed in a space formed by the U-shaped cross-sectional member and the roller;
A main unit having a weeding tine mounting member attached to the sliding member so as to be substantially orthogonal to the sliding member and to which a weeding tine is attached;
A support member that is disposed in a direction substantially perpendicular to the traveling direction, is formed of a U-shaped cross-sectional member that is open on the side, and a roller is rotatably attached to the open side of the U-shaped cross-sectional member;
A sliding member housed in a space formed by the U-shaped cross-sectional member and the roller;
One or a plurality of sub-units having a weeding tine attachment member attached to the sliding member so as to be substantially orthogonal to the sliding member and to which a weeding tine is attached;
The sliding member of the main unit and the sliding member of the sub unit are connected,
The tip of the rod of the cylinder and the sliding member of the main unit are connected, and the weed tine is moved so as to follow the crop row by extending the rod and moving the weed tine mounting member to the left and right. The weeding device characterized by being comprised. A support member disposed in a direction substantially perpendicular to the traveling direction;
A cylinder mounted on the support member such that the rear end is rotatable in a horizontal plane;
A cross member disposed substantially parallel to the support member;
A first link member and a second link member which are combined with the support member and the cross member to form a link mechanism;
A weeding tine attachment member attached to the transverse member so as to be substantially orthogonal to the transverse member, to which a weeding tine is attached;
The rod end of the cylinder and the first link member are connected, the rod is expanded and contracted to operate the link mechanism, and the weeding tine mounting member is moved to the left and right so as to follow the crop row. A weeding device configured to move a tine. A support member disposed in a direction substantially perpendicular to the traveling direction;
A cylinder mounted on the support member such that the rear end is rotatable in a horizontal plane;
A cross member disposed substantially parallel to the support member;
A first link member and a second link member which are combined with the support member and the cross member to form a link mechanism;
A main unit having a weeding tine attachment member attached to the transverse member so as to be substantially orthogonal to the transverse member and to which a weeding tine is attached;
A support member disposed in a direction substantially perpendicular to the traveling direction;
A cross member disposed substantially parallel to the support member;
A first link member and a second link member which are combined with the support member and the cross member to form a link mechanism;
One or a plurality of sub-units, which are attached to the cross member so as to be substantially orthogonal to the cross member and have a weed tine attachment member to which a weed tine is attached;
Connecting the cross member of the main unit and the cross member of the sub unit, connecting the tip of the rod of the cylinder and the first link member, operating the link mechanism by extending and contracting the rod, A weeding apparatus configured to move a weed tine so as to follow a crop row by moving a weed tine mounting member to the left and right. The weeding device according to any one of claims 1 to 7, further comprising a sensor that detects a position of the crop row, and when a deviation occurs between the position of the weed tine and the position of the crop row. The weeding device, wherein the cylinder is configured to be driven.

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