JP2014200197A - Horizontal shank assembly of cultivator stem beam - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a horizontal shank assembly connecting a work attachment mounting component that is not interfered by a stem beam.SOLUTION: A horizontal shank assembly is characterized by forming a composite bracket integrated with a vertical base plate for avoiding interference to a stem beam through a lower slope from the base end side of a horizontal shank, and connecting a work attachment base to the vertical base plate. Fulcrum bolt holes are formed in the vertical base plate, and two symmetric safety bolt holes are formed below the fulcrum bolt holes. In the upper part of the work attachment base, upper and lower two safety bolt holes selectively connected to the fulcrum bolt holes of the vertical base plate are formed. More preferably, the upper and lower two safety bolt holes selectively connected corresponding to the fulcrum bolt holes of the vertical base plate are formed in the upper part of the work attachment base. A second safety bolt hole selectively connected in the right and left safety bolt holes of the vertical base plate is formed below the lower fulcrum bolt hole of the work attachment base.

Description

  The present invention relates to a horizontal shank that is attached to and detached from a horizontal bracket of a towable cultivator mid-bone beam, and more particularly, to a horizontal shank assembly that combines a work attachment mounting member that is not interfered by the mid-beam.

As illustrated in FIG. 8, the cultivator to be pulled by the tractor has a plurality of cultivator units 2 coupled at regular intervals along the pulling horizontal bar 1.
As shown in FIGS. 8 and 9, each cultivator unit 2 has a bone beam 5 elastically supported via a four-point link mechanism 4 using a spring 3. Various work attachments 6 and 7 are detachably coupled, and various work is performed by running the cultivator.
Some work attachments have a vertical shank 8 and some have a horizontal shank 9 joined to the work attachment 7 at the end. For this reason, as shown in FIG. A vertical shank bracket 10 for insertion and connection and a horizontal bracket 11 for insertion and connection of a horizontal shank are fixed.

JP 2010-279276 A

Since the work attachment 6 of the vertical shank 8 attached to and detached from the vertical bracket 10 only needs to be adjusted in height, the work attachment 6 extending below the vertical shank 8 is aligned with the central axis of the middle beam 5. It is easy.
However, the conventional horizontal shank 9 attached to and detached from the horizontal shank bracket 11 is attached to the work attachment 7 at the end of the left or right protruding shank projecting so as to expand and contract to the left and right of the middle bone beam 5 and is opposed to the cultivator. Since the left and right work attachments 7 and 7 attached to the units 2 and 2 are used to perform cultivation and other work on the row of crops, the adjustment of the protruding length of the horizontal shank 9 can adjust the space according to the growth of the crop. However, since the work attachment 7 is in a state of protruding to the side in contact with the middle beam 5, there is a problem that when the crop grows large, it is interfered by the work attachment and becomes unsuitable for use.

  Accordingly, the first object of the present invention is expanded between the work attachments of the opposing cultivator units, with the work attachment of the horizontal shank to which the work attachment is attached aligned with the central axis of the central beam. It is an object of the present invention to provide a horizontal shank assembly that can secure a sufficient space.

  A second object of the present invention is to provide the above-described horizontal shank assembly that can be shared for left and right center bone beam replacement by reversing the work attachment base.

  It is a third object of the present invention to provide the horizontal shank assembly that can adjust the vertical position and ground contact angle of the work attachment base.

  In order to achieve the first object, the horizontal shank assembly of the present invention is an interference from the proximal side (non-free end side) of the lateral shank attached to the lateral bracket of the cultivator intermediate bone beam to the intermediate bone beam. Inclined inward (center side) so that the vertical base extending downward from the lower end of the inclined surface is formed into a composite bracket, and the work attachment base is attached to the vertical base of this composite bracket. It is characterized by being detachably coupled.

  In order to achieve the second object, the present invention forms a fulcrum bolt hole in the vertical base of the horizontal shank assembly configured as described above, and at least two symmetrically below the fulcrum bolt hole. A safety bolt that forms a safety bolt hole and is selectively coupled to the upper part of the other work attachment base in correspondence with the fulcrum bolt hole of the vertical base and the safety bolt hole of the vertical base A hole is formed.

  In order to achieve the third object, according to the present invention, a fulcrum bolt hole is formed in the vertical base of the horizontal shank assembly, and at least two symmetrical safety bolt holes are provided below the fulcrum bolt hole. On the other hand, two upper and lower fulcrum bolt holes are formed in the upper part of the work attachment base and selectively coupled to correspond to the fulcrum bolt holes of the vertical base, and the lower fulcrum bolt holes of the work attachment base A second safety bolt hole selectively formed corresponding to the two left and right safety bolt holes of the vertical base is formed below the vertical base.

  Since the work attachment of the horizontal shank assembly is arranged below the central axis of the middle beam, the space between the work attachments of the left and right cultivators is widened. Therefore, even if the crop grows greatly, the interference problem due to the work attachment during traveling is improved.

  By reversing the direction of the work attachment with respect to the vertical base of the horizontal shank assembly, the left and right horizontal shank assemblies are symmetrical, so the horizontal shank assembly can be used for both right-handing and left-handing. it can.

  The height and angle of the work attachment with respect to the vertical base can be adjusted by selecting and connecting the bolt holes of the vertical base of the horizontal shank assembly and the work attachment base.

A perspective view of a right-handed horizontal shank assembly according to the present invention. 1 is an exploded view of the horizontal shank assembly of FIG. A perspective view of a left-handed horizontal shank assembly according to the present invention. Illustration of vertical adjustment of work attachment base Illustration of adjusting the grounding angle of work attachment base Action explanatory drawing of cultivator using horizontal shank assembly of the present invention Frame perspective view of cultivator unit Overall perspective view of towable cultivator Conventional cultivator unit perspective view

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In the figure, the same reference numerals denote the same members as those in the above figures.
As shown in FIG. 7, each cultivator unit 2 has a middle bone beam 5 elastically supported by a four-point link mechanism 3 using a spring 3, and the middle bone beam 5 has a vertical type such as a deep plow. A vertical shank bracket 10 on which a work attachment with a shank (not shown) is mounted, and a horizontal shank bracket 11 for attaching and detaching a work attachment with a horizontal shank such as a soil ware are provided.

The horizontal shank bracket 11 is formed of a cylindrical member having both ends opened. In this embodiment, one end side is protruded to one side of the middle bone beam 5, and the other end side opening is opened to the side surface of the middle bone beam 5. It is formed as follows.
The horizontal shank assembly 12 of the present invention has a horizontal shank 14 which is inserted into a lateral shank bracket 11 of the middle bone beam 5, preferably inserted into a non-projecting side opening 13, and the proximal end of the horizontal shank 14. A vertical base 15 extending downward from the lower end of the inclined surface is integrally formed by inclining the inner side of the lateral shank (center side) downward so as to avoid interference with the middle beam 5 from the side (non-free end side). A combined bracket 16 is formed, and a work attachment base 19 is integrally connected to a vertical base 15 of the composite bracket 16 via a fulcrum bolt 17 and a safety bolt 18.
In the figure, reference numeral 28 denotes a coupling hole to the horizontal shank bracket 11, and reference numeral 29 denotes a reinforcing plate of the composite bracket 16.
Various work implements 21 are detachably coupled to the distal end of the work attachment base 19 by mounting bolts 20.

With the above configuration, when the horizontal shank 14 of the horizontal shank assembly 12 is attached to the horizontal shank bracket 11, the work attachment 19 of the vertical base 15 can be aligned with the central axis of the middle bone beam 5.
Therefore, as shown in FIG. 6, even when the cultivator 30 is attached to the work attachment base 19 and mounted on the left and right cultivator units 2 and 2, for example, the space between the left and right cultivators 30 and 30 is expanded and greatly grown. Crops are no longer interfered with.

  FIG. 2 is an exploded view of the horizontal shank assembly 12 (FIG. 1) according to the present invention. The fulcrum bolt hole 22 of the fulcrum bolt 17 is formed in the vertical base 15 of the composite bracket 16 and the fulcrum bolt hole 22 is formed. Preferably, at least two safety bolt holes 23, 24 that are symmetrical are formed below, and on the other side of the work attachment base 19, fulcrum bolt holes 25 a, 25 b corresponding to the fulcrum bolt holes 22 of the vertical base 15. A safety bolt hole 26 selectively formed corresponding to the safety bolt holes 23 and 24 of the vertical base 15 is formed.

  With the above configuration, the horizontal shank assembly 12 according to the present invention replaces the work attachment base 19 with respect to the vertical base 15 in the direction opposite to that in FIG. 1 and replaces the safety bolt holes 23 or 24 as shown in FIG. As a result, the work attachment base 19 with respect to the vertical base 15 of the horizontal shank assemblies 12 and 12 facing each other is symmetrical, and can be used for both right-handing and left-handing.

  Further, the mounting angle of the work attachment base 19 can be adjusted by replacing the safety bolt holes 26 of the work attachment base 19 with the left or right safety bolt holes 23 and 24 of the vertical base 15.

Further, as shown in FIG. 2, upper and lower two fulcrum bolt holes 25 a and 25 b that are selectively coupled to the fulcrum bolt holes 22 of the vertical base 15 are formed in the upper part of the work attachment base 19. A second safety bolt hole 27 selectively coupled to the left and right safety bolt holes 23 and 24 of the vertical base 15 is formed below the lower fulcrum bolt hole 25b of the work attachment base 19. More preferred.
With this configuration, the attachment state of the work attachment base 19 can be adjusted up and down by selectively replacing the fulcrum holes 25a or 25b of the work attachment base 19 with the fulcrum holes 22 of the vertical base 15 as shown in FIG. Further, as shown in FIG. 5, the attachment angle of the work attachment base 19 can be adjusted as described above after the vertical adjustment.

  In the illustrated embodiment, the case where the horizontal shank bracket 11 of the present invention is inserted into the non-projecting side opening 13 is illustrated, but the present invention is not limited to this. This is because the horizontal shank bracket 11 may protrude to the left and right sides of the middle beam 5, and the composite bracket 16 can be designed so as not to interfere with the protruding side opening.

  Since this invention becomes the above-mentioned composition, the work efficiency and work mode of agricultural work by a cultivator are improved, and it is industrially useful.

DESCRIPTION OF SYMBOLS 1 ... Traction horizontal bar 2 ... Cultivator unit 3 ... Spring 4 ... Four-point link mechanism 5 ... Bone beam 6, 7 ... Work attachment 8 ... Vertical shank 9 ... 1st horizontal shank 10 ... Bracket 11 for vertical shank ... Horizontal shank bracket 12 ... Horizontal shank assembly 13 ... Non-projecting side opening 14 ... Second horizontal shank 15 ... Vertical base 16 ... Composite bracket 17 ... Support bolt 18 ... Safety bolt 19 ... Work attachment base 20 ... Mounting bolt 21 ... Work Instrument 22 ... fulcrum bolt holes 23, 24 ... safety bolt holes 25a, 25b ... fulcrum bolt holes 26, 27 ... safety bolt holes 28 ... joint holes 29 ... reinforcing plate 30 ... medium

  The present invention relates to a horizontal shank that is attached to and detached from a horizontal bracket of a towable cultivator mid-bone beam, and more particularly, to a horizontal shank assembly that combines a work attachment mounting member that is not interfered by the mid-beam.

As illustrated in FIG. 8, the cultivator to be pulled by the tractor has a plurality of cultivator units 2 coupled at regular intervals along the pulling horizontal bar 1.
As shown in FIGS. 8 and 9, each cultivator unit 2 has a bone beam 5 elastically supported via a four-point link mechanism 4 using a spring 3. Various work attachments 6 and 7 are detachably coupled, and various work is performed by running the cultivator.
Some work attachments have a vertical shank 8 and some have a horizontal shank 9 joined to the work attachment 7 at the end. For this reason, as shown in FIG. A vertical shank bracket 10 for insertion and connection and a horizontal bracket 11 for insertion and connection of a horizontal shank are fixed.

JP 2010-279276 A

As shown in FIG. 9, since the work attachment 6 of the vertical shank 8 attached to and detached from the vertical bracket 10 only needs to be adjusted in height, the work attachment 6 extending below the vertical shank 8 can be used as the middle bone. It is easy to match the central axis of the beam 5.
However, the conventional horizontal shank 9 attached to and detached from the horizontal shank bracket 11 is attached to the work attachment 7 at the end of the left or right protruding shank projecting so as to expand and contract to the left and right of the middle bone beam 5 and is opposed to the cultivator. Since the left and right work attachments 7 and 7 attached to the units 2 and 2 are used to perform cultivation and other work on the row of crops, the adjustment of the protruding length of the horizontal shank 9 can adjust the space according to the growth of the crop. However, since the work attachment 7 is in a state of protruding to the side in contact with the middle beam 5, there is a problem that when the crop grows large, it is interfered by the work attachment and becomes unsuitable for use.

Accordingly, the first object of the present invention is to move the work attachment of the horizontal shank to which the work attachment is attached to a position coinciding with the central axis of the central bone beam , thereby the work attachment of the opposite cultivator unit. It is an object of the present invention to provide a horizontal shank assembly that can secure a more expanded space between the pieces.

  A second object of the present invention is to provide the above-described horizontal shank assembly that can be shared for left and right center bone beam replacement by reversing the work attachment base.

  It is a third object of the present invention to provide the horizontal shank assembly that can adjust the vertical position and ground contact angle of the work attachment base.

In order to achieve the first object, horizontal shank assembly of the present invention includes a lateral shank to be attached to variable position and telescopically inserted into an opening of the lateral brackets provided in Calci beta Chukotsu beam, this horizontal the upper end portion is fixed to the opposite side base end side of said side to be mounted on a horizontal bracket of the shank, inclined toward the mounting side below the lateral shank beneath so as to avoid interference with the in bone beam was further comprises a composite bracket made of the support frame preparative comprising integrally coupling the vertical base direction from the inclined surface lower end downwardly, and a piece combined work up Attachment foundation vertical base of the composite bracket It is characterized by that.

  In order to achieve the second object, the present invention forms a fulcrum bolt hole in the vertical base of the horizontal shank assembly configured as described above, and at least two symmetrically below the fulcrum bolt hole. A safety bolt that forms a safety bolt hole and is selectively coupled to the upper part of the other work attachment base in correspondence with the fulcrum bolt hole of the vertical base and the safety bolt hole of the vertical base A hole is formed.

  In order to achieve the third object, according to the present invention, a fulcrum bolt hole is formed in the vertical base of the horizontal shank assembly, and at least two symmetrical safety bolt holes are provided below the fulcrum bolt hole. On the other hand, two upper and lower fulcrum bolt holes are formed in the upper part of the work attachment base and selectively coupled to correspond to the fulcrum bolt holes of the vertical base, and the lower fulcrum bolt holes of the work attachment base A second safety bolt hole selectively formed corresponding to the two left and right safety bolt holes of the vertical base is formed below the vertical base.

By displacing the work attachments of the left and right horizontal shank assemblies attached to adjacent left and right midbone beams to a position that coincides below the central axis of the midbone beam, between the work attachments of the left and right cultivator units Ri space is wide formed of, as a result, the interference problem by working attachment of traveling be grown large crops is improved.

  By reversing the direction of the work attachment with respect to the vertical base of the horizontal shank assembly, the left and right horizontal shank assemblies are symmetrical, so the horizontal shank assembly can be used for both right-handing and left-handing. it can.

  The height and angle of the work attachment with respect to the vertical base can be adjusted by selecting and connecting the bolt holes of the vertical base of the horizontal shank assembly and the work attachment base.

A perspective view of a horizontal shank assembly for left delivery according to the present invention as seen from the direction of travel of the cultivator 1 is an exploded view of the horizontal shank assembly of FIG. A perspective view of a right- handed horizontal shank assembly according to the present invention as seen from the direction of travel of the cultivator Illustration of vertical adjustment of work attachment base Illustration of adjusting the grounding angle of work attachment base Explanatory drawing of the action of the cultivator according to the usage example of the left-handed and right-handed horizontal shank assemblies of the present invention as seen from the direction of travel of the cultivator Frame perspective view of cultivator unit Overall perspective view of towable cultivator Conventional cultivator unit perspective view

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. In the figure, the same reference numerals denote the same members as those in the above figures.
As shown in FIG. 7, each cultivator unit 2 has a middle bone beam 5 elastically supported by a four-point link mechanism 3 using a spring 3, and the middle bone beam 5 has a vertical type such as a deep plow. A vertical shank bracket 10 for attaching a work attachment with shank (not shown) and a horizontal shank bracket 11 for attaching / detaching a work attachment with a horizontal shank for connecting a soil cultivator or the like are arranged in the transverse direction of the intermediate beam 5. It is provided to penetrate .

The horizontal shank bracket 11 is formed of a cylindrical member having both ends opened. In this embodiment, one end side is protruded to one side of the middle bone beam 5, and the other end side opening is opened to the side surface of the middle bone beam 5. It is formed as follows.
The horizontal shank assembly 12 of the present invention includes a horizontal shank 14 that is inserted into the horizontal shank bracket 11 of the middle bone beam 5, preferably inserted into the non-projecting side opening 13, and a proximal end side of the horizontal shank 14 ( among members of the lateral shank 14, is fixed an upper end on the opposite side) of the side, said by its lower to avoid interference with the in bone beams 5 lateral to be inserted into the opening of the lateral shank bracket 11 A composite bracket 16 is formed with a support frame in which the vertical shank 14 is inclined downward from the lower end of the inclined surface and further downwardly inclined downward from the insertion tip side (center side) of the mold shank 14. The work attachment base 19 is integrally coupled to the vertical base 15 of the composite bracket 16 via a fulcrum bolt 17 and a safety bolt 18.
In the figure, reference numeral 28 denotes a coupling hole to the horizontal shank bracket 11, and reference numeral 29 denotes a reinforcing plate of the composite bracket 16.
Various work implements 21 are detachably coupled to the distal end of the work attachment base 19 by mounting bolts 20.
As shown in FIG. 7, the left horizontal shank is attached to the middle beam 5 of each cultivator 2 by inserting and penetrating the free end of the horizontal shank 14 from the right side to the left side of the middle beam 5 when viewed from the advancing direction. A bracket and a right-handed horizontal shank bracket that is inserted and penetrated from the left side to the right side of the middle bone beam 5 are formed along the axial direction of the middle bone beam 5.
Accordingly, the horizontal shank bracket assembly 12 of the present invention includes a left-handed horizontal shank assembly (FIG. 1) that can accommodate the right-handed horizontal shank bracket and a right-handed horizontal shank bracket that can accommodate the left-handed horizontal shank bracket. There is a shank assembly (FIG. 3) and the present invention encompasses these embodiments.

With the above configuration, the basic functions and operations of the present invention are such that when the horizontal shank 14 of the horizontal shank assembly 12 is detachably attached to the horizontal shank bracket 11, the work attachment 19 of the vertical base 15 is attached to the middle beam 5. in that it can be matched with the central axis of.
Further, as shown in FIG. 6, for example, a left-handed horizontal shank assembly 11 and a right-handed horizontal shank assembly 12 to which a cultivator 30 is attached are connected to the work attachment base 19, for example, left and right pair cultivator units 2, 2 A space between the left and right soil cultivators 30, 30 is attached to the middle bone beams 5, 5 and the working attachment bases 19, 19 of the horizontal shank assemblies 12, 12 are aligned with the axial direction of the middle bone beams 5, 5. Is expanded so that large crops are not interfered with.
FIG. 6 is an operation explanatory view of the left and right cultivator units 2 and 2 as viewed from the forward direction.

  FIG. 2 is an exploded view of the horizontal shank assembly 12 (FIG. 1) according to the present invention. The fulcrum bolt hole 22 of the fulcrum bolt 17 is formed in the vertical base 15 of the composite bracket 16 and the fulcrum bolt hole 22 is formed. Preferably, at least two safety bolt holes 23, 24 that are symmetrical are formed below, and on the other side of the work attachment base 19, fulcrum bolt holes 25 a, 25 b corresponding to the fulcrum bolt holes 22 of the vertical base 15. A safety bolt hole 26 selectively formed corresponding to the safety bolt holes 23 and 24 of the vertical base 15 is formed.

With the above configuration, the horizontal shank assembly 12 according to the present invention replaces the work attachment base 19 with respect to the vertical base 15 in the direction opposite to that in FIG. 1 and replaces the safety bolt holes 23 or 24 as shown in FIG. it allows working attachment base 19 with respect to the vertical base 15 opposing lateral shank assembly 12, 12 is symmetrical and ing. Accordingly, as shown in FIG. 6, when the left and right horizontal shank assemblies 12 and 12 are paired and mounted on the middle bone beams 5 and 5 of the adjacent cultivators 2 and 2, The invention can be used with both right-handed and left-handed horizontal shank assemblies .

  Further, the mounting angle of the work attachment base 19 can be adjusted by replacing the safety bolt holes 26 of the work attachment base 19 with the left or right safety bolt holes 23 and 24 of the vertical base 15.

Further, as shown in FIG. 2, upper and lower two fulcrum bolt holes 25 a and 25 b that are selectively coupled to the fulcrum bolt holes 22 of the vertical base 15 are formed in the upper part of the work attachment base 19. A second safety bolt hole 27 selectively coupled to the left and right safety bolt holes 23 and 24 of the vertical base 15 is formed below the lower fulcrum bolt hole 25b of the work attachment base 19. More preferred.
With this configuration, the attachment state of the work attachment base 19 can be adjusted up and down by selectively replacing the fulcrum holes 25a or 25b of the work attachment base 19 with the fulcrum holes 22 of the vertical base 15 as shown in FIG. Further, as shown in FIG. 5, the attachment angle of the work attachment base 19 can be adjusted as described above after the vertical adjustment.

  In the illustrated embodiment, the case where the horizontal shank bracket 11 of the present invention is inserted into the non-projecting side opening 13 is illustrated, but the present invention is not limited to this. This is because the horizontal shank bracket 11 may protrude to the left and right sides of the middle beam 5, and the composite bracket 16 can be designed so as not to interfere with the protruding side opening.

  Since this invention becomes the above-mentioned composition, the work efficiency and work mode of agricultural work by a cultivator are improved, and it is industrially useful.

DESCRIPTION OF SYMBOLS 1 ... Traction horizontal bar 2 ... Cultivator unit 3 ... Spring 4 ... Four-point link mechanism 5 ... Middle-bone beam 6, 7 ... Work attachment 8 ... Vertical shank 9 ... Conventional horizontal shank 10 ... Bracket 11 for vertical shank ... Horizontal shank bracket 12 ... Horizontal shank assembly 13 ... Non-projecting side opening 14 ... Horizontal shank 15 according to the present invention ... Vertical base 16 ... Composite bracket 17 ... Support bolt 18 ... Safety bolt 19 ... Work attachment base 20 ... Mounting bolt 21 ... Work tool 22: fulcrum bolt holes 23, 24 ... safety bolt holes 25a, 25b ... fulcrum bolt holes 26, 27 ... safety bolt holes 28 ... coupling holes 29 ... reinforcing plate 30 ... cultivator

Claims (3)

  Inclining the shank from the proximal end of the horizontal shank (7) attached to the horizontal bracket (11) of the cultivator medial beam (5) to the inside of the shank so as to avoid interference with the medial beam (5), The vertical base (15) extending downward from the lower end of the inclined surface is formed into a composite bracket (16) integrally joined, and the work attachment base (19) is attached to the vertical base (15) of the composite bracket (16). A horizontal shank assembly of a cultivator medium bone beam, characterized in that:   A fulcrum bolt hole (22) is formed in the vertical base (15) of the composite bracket (16), and at least two safety bolt holes (23) symmetrical to the left and right below the fulcrum bolt hole (22) ( 24), and a fulcrum bolt hole corresponding to the fulcrum bolt hole (22) of the vertical base (15) and the safety bolt hole (23) of the vertical base (15) on the work attachment base (19). The horizontal shank assembly according to claim 1, further comprising a safety bolt hole (26) that is selectively coupled to correspond to (24).   Two upper and lower fulcrum bolt holes (25a) and (25b) that are selectively coupled to the fulcrum bolt holes (22) of the vertical base (15) are formed in the upper part of the work attachment base (19). In addition, the lower attachment fulcrum bolt hole (25b) of the work attachment base (19) is selectively coupled to the left and right safety bolt holes (23), (24) of the vertical base (15). The horizontal shank assembly according to claim 1 or 2, wherein a second safety bolt hole (27) is formed.

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