JP2005013041A - Agricultural implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an agricultural implement designed to properly cut even relatively long stems and leaves. <P>SOLUTION: This agricultural implement 10 is equipped with an implement body 11 cutting the stems and leaves on a field while moving in the forward direction by back traveling of a tractor 1. A stem and leaf guiding body 71 for guiding the stems and leaves on the field so as to locate the stems and leaves in a front region in the forward direction of the implement body 11 when viewed in a plane is mounted on either one of left and right sides of the implement body 11 so as to protrude in the forward direction which is the direction away from the tractor 1. The height of the stem and leaf guiding body 71 can be regulated by operating an operation body 50 for regulating the height. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an agricultural machine that can appropriately cut a foliage portion having a relatively long length.
[0002]
[Prior art]
Conventionally, for example, a working machine main body that is connected to the rear part of a tractor that is a traveling means and moves in the direction of travel by the forward traveling of the tractor, There is known an agricultural machine (a vine mower) including a pair of left and right hook-shaped foliage derivatives (dividers) attached so as to protrude in a traveling direction that is a direction approaching a tractor (for example, Patent Document 1). reference.).
[0003]
[Patent Document 1]
Japanese Utility Model Publication No. 6-18417 (first page, FIG. 1)
[0004]
[Problems to be solved by the invention]
However, in the above-mentioned conventional farm work machine, it is possible to cut appropriately if the foliage is a relatively short foliage such as a sweet potato foliage, but it is relatively long such as a foliage such as udon. Appropriate cutting work may not be performed on the foliage.
[0005]
This invention is made | formed in view of such a point, and it aims at providing the agricultural working machine which can cut | disconnect a stem and leaf part with comparatively long length appropriately.
[0006]
[Means for Solving the Problems]
The agricultural machine according to claim 1 is a working machine body that cuts the foliage on the field while moving in the traveling direction by traveling of the traveling means, and a traveling direction that is a direction away from the traveling means to the working machine body. And a foliage derivative that guides the foliage part so that the foliage part is positioned in a front region in the advancing direction of the work implement main body in a plan view.
[0007]
Then, the foliage part attached to the work implement body so as to protrude in the advancing direction which is the direction away from the traveling means, the foliage portion on the field is in the front area in the advancing direction of the work implement main body in plan view. Therefore, it is possible to appropriately cut a foliage portion having a relatively long length.
[0008]
The farm machine according to claim 2 is the farm machine according to claim 1, wherein the foliage derivative is attached to either the left or right side of the work machine body.
[0009]
And compared with the case where a foliage derivative is attached to each of the left and right sides of the working machine main body, a foliage part having a relatively long length can be effectively cut.
[0010]
The agricultural machine according to claim 3 is the agricultural machine according to claim 1, wherein the foliage derivative is selectively attached to either the left or right side of the working machine body.
[0011]
And it becomes possible to attach a foliage derivative to the left side of a working machine main body, or to the right side of a working machine main body according to a work condition etc.
[0012]
According to a fourth aspect of the present invention, in the agricultural machine according to the first aspect, the foliage derivative is attached to the main body of the working machine so that the height can be adjusted.
[0013]
And it becomes possible to adjust the height of a foliage derivative according to work conditions etc.
[0014]
The farm working machine according to claim 5 is the farm working machine according to claim 4, comprising a height adjusting operation body that can be operated while riding on the traveling means when adjusting the height of the foliage derivative. .
[0015]
And it becomes possible to adjust the height of a foliage derivative easily by operating the adjustment operation body on the traveling means.
[0016]
The agricultural machine according to claim 6 is the agricultural machine according to any one of claims 1 to 5, wherein the traveling means is a tractor having a PTO shaft capable of forward and reverse rotation, and the main body of the agricultural machine is the tractor. When the PTO shaft is rotated forward, the foliage on the field is cut by a downcut operation, and when the PTO shaft is rotated reversely, the foliage on the field is cut by an upcut operation. is there.
[0017]
And it is possible to cut the foliage on the field by down-cut work by forward rotation of the PTO shaft of the tractor, and to cut the foliage on the field by up-cut work by reverse rotation of the PTO shaft of the tractor. Become.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the configuration of an embodiment of an agricultural machine according to the present invention will be described with reference to the drawings.
[0019]
1 to 4, reference numeral 1 denotes a tractor that is a traveling vehicle as a traveling means. The tractor 1 has a three-point link portion 2 that is a hydraulic work machine mounting device at the rear portion and an engine or the like. It has a PTO shaft 4 that can be rotated forward and backward by power from the driving means 3. Further, the tractor 1 has a front wheel 5 and a rear wheel 6 which are running parts at the lower part.
[0020]
And the three-point link part 2 at the rear part of the tractor 1 is a foliage part A1 on the straw H1 of the field H, that is, a foliage part A1 of the udon A that is a crop grown on the straw H1 of the field H, for example. Agricultural working machine (stem and leaf processing work machine) 10 that performs cutting work of a foliage portion (for example, about 2 m in length) A1 that is entangled with one another that extends from the upper surface of the adjacent ridges is detachably mounted.
[0021]
The farm work machine 10 performs a cutting operation of the foliage part A1 on the straw H1 of the field H at a forward position in the traveling direction when the tractor 1 is working. That is, the agricultural working machine 10 performs the cutting operation of the foliage A1 prior to the passage of the tractor 1.
[0022]
And this agricultural work machine 10 is connected to the three-point link part 2 at the rear part of the tractor 1 and is integrated with the tractor 1 by the back travel (reverse travel) of the tractor 1 (in FIG. 1, upper right). The working machine main body 11 that is long in the left-right direction is provided to cut the foliage A1 on the straw H1 of the field H while moving in the right and left directions.
[0023]
The work machine main body 11 is connected to the three-point link portion 2 at the rear portion of the tractor 1 via the three-point connecting portion 12, and moves in the moving direction when the PTO shaft 4 rotates in the forward direction. The foliage portion A1 on the ridge H1 of the field H is cut by the downcut operation, and the foliage portion A1 on the ridge H1 of the field H is cut by the upcut operation with respect to the traveling direction while moving in the traveling direction when the PTO shaft 4 rotates in the reverse direction. It is a rotary type cutting machine.
[0024]
Here, the work implement main body 11 has a longitudinal shape in the left-right horizontal direction orthogonal to the traveling direction, and has a three-point connecting portion 12 at the center in the left-right direction at the front portion and from the tractor 1. It has an input shaft 13 in the front-rear direction for inputting power. The three-point connecting portion 12 is connected to the three-point link portion 2 of the tractor 1, and the input shaft 13 is connected to the PTO shaft 4 of the tractor 1 via the universal joint 14. Further, a support frame 15 that is a support body protrudes upward from the central portion in the left-right direction at the front portion of the work machine body 11.
[0025]
The work machine body 11 has a pair of left and right side plate portions 21 that are spaced apart from each other, and the left and right rotation shafts 22 are horizontally supported by the side plate portions 21 so as to be rotatable.
[0026]
A plurality of cutting blades 23 are fixed radially to the outer peripheral surface portion of the rotating shaft 22, and the plurality of cutting blades 23 are disposed between the side plate portions 21. Further, one end portion (for example, the left end portion in FIG. 2) of the rotating shaft 22 in the small diameter direction is located in the lower portion of the transmission case 25, and the end portion located in the lower portion of the transmission case 25 is a rotating body. The lower pulley 26 is fixed.
[0027]
On the other hand, in the upper part of the transmission case 25, the other end of the transmission shaft 27 for transmission in the left-right direction whose one end is connected to the input shaft 13 via a gear (not shown) is located. An upper pulley 28 which is a rotating body is fixed to an end portion located in the upper portion of the case 25.
[0028]
A belt 29 that is an endless body is wound around the upper pulley 28 and the lower pulley 26 that are vertically spaced apart from each other. In this way, the power from the input shaft 13 connected to the PTO shaft 4 of the tractor 1 via the universal joint 14 is transmitted to the rotary shaft 22 via the gear, the transmission rotary shaft 27, the upper pulley 28, the belt 29, and the lower pulley 26. To be communicated to. The rotary shaft 22 and the cutting blade 23 perform an upcut operation by rotating in the upcut direction when the PTO shaft 4 rotates in the reverse direction, or a downcut operation by rotating in the downcut direction when the PTO shaft 4 rotates forward. The cutting rotation part 30 which is a cutting operation part which performs is comprised.
[0029]
Furthermore, the work machine main body 11 has an upper plate portion 31 having a cover function in which upper end edges of both side plate portions 21 are connected to each other. The cutting rotation part 30 is disposed above the part 30 so as to cover it.
[0030]
Then, the front plate edge of the upper plate portion 31 is a cut piece (crushed generated by cutting the foliage portion) that is directed toward the tractor 1 during the downcut operation of the cutting rotation portion 30 during the forward rotation of the PTO shaft 4. A substantially plate-shaped anti-scattering cover body 32 for preventing the object from scattering is attached horizontally so as to protrude forward. The scattering prevention cover body 32 is constituted by, for example, a rubber plate 33 that is an elastic plate that can be elastically deformed.
[0031]
Further, from two places on the left and right sides of the upper plate portion 31 of the work machine body 11, an upper protruding portion 41 that is a pair of left and right substantially plate-like protruding portions spaced apart from each other with a predetermined distance protrudes upward. ing. A front end portion of a pivot arm (one parallel link) 42 that can be pivoted up and down so that the rear end side is raised and lowered is attached to each upper protrusion 41 so as to be pivotable through a left and right shaft 43. It has been. The intermediate portions of the both rotating arms 42 are connected by a single connecting arm 44 that is long in the left-right direction. For this reason, both the rotating arms 42 rotate together with the connecting arm 44 around the shaft 43 located on the same axis.
[0032]
Furthermore, the lower end portion of the interlocking body 47 having a screw hole portion 46 formed on the upper end side is rotatably attached to the attachment portion 45 protruding from the central portion in the left-right direction of the connecting arm 44 via a shaft 48 in the left-right direction. It has been. At the upper end of the interlocking body 47, the lower end of a substantially bowl-shaped height adjusting operation body 50 that is pivotally supported by the upper end of the support frame 15 via a left and right shaft 49 is attached. Yes. That is, the height adjusting operation body 50 that can be rotated while riding on the driver's seat of the tractor 1 has a screw flange 51 on the lower end side, and the screw flange 51 is a screw hole 46 of the interlocking body 47. Are screwed together. Further, the height adjusting operation body 50 has a handle portion 52 formed by bending two places on the upper end side, and this handle portion 52 is disposed near the rear of the driver seat of the tractor 1 for driving. It can be operated from the seat.
[0033]
Further, from two locations on both the left and right sides of the upper plate portion 31 of the work implement body 11, a rearward projecting portion 61 that is a pair of left and right projecting portions spaced apart from each other through a predetermined distance corresponding to the upper projecting portion 41 is rearward. It protrudes in the direction of travel. A rearward projecting part (for example, the left side in FIG. 2) 61 on either one of the rearward projecting parts 61 has a pivot arm (the other side) that can be pivoted up and down so that the rear end side is raised and lowered. The front end portion of the parallel link) 62 is rotatably attached to and detachable by a fixture (for example, a bolt and a nut) 63. The rotating arm 62 is composed of a pair of opposing plates 64, for example.
[0034]
On the other hand, the farm work machine 10 protrudes in the traveling direction (rearward) which is the direction away from the tractor 1 on either the left or right side (for example, the left side of the working machine body 11) in the rear part (the front part in the traveling direction) of the working machine body 11. Are attached so as to be detachable, and the foliage portion A1 on the culm H1 of the field H is guided so that the foliage portion A1 is located in the front region E in the advancing direction of the cutting rotation portion 30 of the work machine body 11 in plan view. One substantially cocoon-like foliage derivative (divider) 71 is provided.
[0035]
For example, in the state shown in FIG. 2, the foliage derivative 71 is high on the two left and right projecting portions 41 and 61 of the work machine body 11 via the two left rotating arms 42 and 62 positioned parallel to each other. It is attached to be adjustable. Then, the foliage derivative 71 is stepless with respect to the work implement main body 11 while maintaining the entrance angle α, which is an inclination angle with respect to the horizontal, for example, about 30 °, by the turning operation of the height adjusting operation body 50. The height is adjustable.
[0036]
Further, the foliage derivative 71 is disposed in an inclined manner so that the rear end is positioned downward, and the lower end portion which is the rear end portion is formed in a tapered shape. In addition, the lower end part of the foliage derivative 71 is located below the cutting rotation part 30 of the working machine main body 11 and moves in the ridge groove at the time of cutting work.
[0037]
Further, the foliage derivative 71 is formed with a plurality of attachment holes 72 (for example, three in the vertical direction), and the foliage derivative 71 is attached to a fixture (for example, a bolt and a nut using the desired attachment hole 72). 73) is attached to the rotating arms 42 and 62.
[0038]
Further, the foliage derivative 71 is selected and attached to either the left or right side of the work machine body 11. That is, the foliage derivative 71 attached to the rear left side of the work machine body 11 can be replaced with the rear right side of the work machine body 11. Specifically, after the rotation arm 62 is replaced with the rearward protrusion 61 on the right side of the work machine main body 11, the foliage derivative 71 is attached to the two right rotation arms 42 and 62 that are positioned parallel to each other. Attach with
[0039]
Next, the case where the cutting operation | work of the stem-and-leaf part A1 of the udon A is performed using the agricultural working machine 10 of the said one embodiment is demonstrated.
[0040]
The tractor 1 is driven in the backside with the three-point link portion 2 of the work machine body 11 connected to the three-point link portion 2 of the tractor 1 and the input shaft 13 connected to the PTO shaft 4 of the tractor 1 via the universal joint 14. Then, the work machine body 11 moves in the direction of travel together with the tractor 1.
[0041]
The tractor 1 travels back in a state of straddling one ridge H1, and the cutting rotation part 30 of the work machine body 11 moves above one ridge H1 and two ridge grooves on both sides thereof, and the foliage derivative 71 The lower end of is located below the cutting rotation part 30 and moves in one ridge (see FIG. 2). Further, the PTO shaft 4 of the tractor 1 is reversely rotated, for example.
[0042]
Then, when the agricultural machine 10 moves in the traveling direction by the back travel of the tractor 1, the foliage part A1 on the straw H1 of the farm field H is rotated by the cutting rotation unit 30 that rotates in the upcut direction based on the power from the PTO shaft 4. The cutting blade 23 is finely cut.
[0043]
At this time, as shown in FIG. 3 and FIG. 4, the foliage portion A <b> 1 that has laid down on the adjacent ridge H <b> 1 is moved upward by one foliage derivative 71 projecting downward from the work machine body 11 in the traveling direction. It is guided into the forward region E in the direction of travel of the cutting rotation part 30 of the work machine body 11 so as to be pushed up.
[0044]
As a result, the foliage part A1 on the ridge H1 of the field H is located in the forward region E in the traveling direction of the cutting rotation part 30 of the work machine body 11, and the foliage part A1 is aligned in a desired direction.
[0045]
Therefore, according to the farm work machine 10 as described above, the cutting blade 23 of the cutting rotation part 30 of the work machine main body 11 is used even for the long foliage part A1 that is as long as about 2 m like the foliage part A1 of the udon A. It is possible to appropriately cut and prevent unprocessed residues.
[0046]
In addition, since the cutting operation is performed by the back travel of the tractor 1, the tractor 1 can travel stably after the cutting, and there is no possibility of causing a failure of the tractor 1 due to the foliage A1 extending from the heel H1.
[0047]
Furthermore, since the foliage derivative 71 can be attached to the left side of the work machine body or the right side of the work machine body according to the work situation or the like, it is possible to appropriately cope with the work situation or the like.
[0048]
Further, by operating the height adjusting operation body 50 while riding on the tractor 1, the height of the foliage derivative 71 can be easily adjusted while keeping the angle α constant, and the shape of the heel H 1 can be appropriately handled.
[0049]
Furthermore, because the PTO shaft 4 of the tractor 1 can cut the foliage A1 by the downcut operation by the forward rotation, or the foliage A1 can be cut by the upcut operation by the reverse rotation of the PTO shaft 4 of the tractor 1, For example, the foliage A1 can be more appropriately cut by performing an upcut operation. Even when the down-cut operation is performed, the scattering prevention cover body 32 prevents the cut pieces from being scattered, which is excellent in safety.
[0050]
In addition, the agricultural working machine 10 is not limited to a configuration that is used by being mounted on the tractor 1 that is a traveling unit, and may be a self-propelled configuration that includes a traveling unit on the farm field H, for example.
[0051]
The farm work machine 10 is optimal for cutting the stem A1 of the udon A, but can also be applied to crops other than the udon A having the stem A1 longer than the work width of the work machine main body 11.
[0052]
Furthermore, the farm work machine 10 is not limited to the configuration in which the foliage derivative 71 is attached to only one of the left and right sides of the work machine body 11. For example, the farm work machine 10 may have a structure in which the foliage derivative 71 is attached to both the left and right sides of the work machine body 11. Good.
[0053]
【The invention's effect】
According to the first aspect of the present invention, the foliage portion on the field is shown in a plan view of the foliage portion on the field by the foliage derivative attached to the work implement main body so as to protrude in the advancing direction that is the direction away from the traveling means. Since it can guide so that it may be located in the advancing direction front field of a main part, a comparatively long foliage part can be cut appropriately.
[0054]
According to the second aspect of the present invention, it is possible to effectively cut the foliage portion having a relatively long length as compared with the case where the foliage derivatives are respectively attached to the left and right sides of the work machine main body.
[0055]
According to the invention of claim 3, the foliage derivative can be attached to the left side of the work implement main body or the right side of the work implement main body according to the work situation or the like.
[0056]
According to invention of Claim 4, the height of a foliage derivative can be adjusted according to a work condition etc.
[0057]
According to the invention of claim 5, the height of the foliage derivative can be easily adjusted by operating the adjustment operating body while riding on the traveling means.
[0058]
According to the invention of claim 6, the foliage on the field is cut by the downcut operation by the forward rotation of the PTO shaft of the tractor, or the foliage on the field is cut by the upcut operation by the reverse rotation of the PTO shaft of the tractor. You can do it.
[Brief description of the drawings]
FIG. 1 is a side view showing an embodiment of an agricultural machine according to the present invention.
FIG. 2 is a rear view of the agricultural machine.
FIG. 3 is a side view showing a working state of the agricultural machine.
FIG. 4 is a schematic plan view showing a working state of the agricultural machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tractor which is a traveling means 4 PTO axis | shaft 10 Agricultural work machine 11 Work machine main body 50 Control body 71 for height adjustment Foliage derivative A1 Foliage part E Progress direction front area H

Claims (6)

A working machine body that cuts the foliage on the field while moving in the direction of travel by running of the running means;
It is attached to this work implement main body so as to protrude in the advancing direction which is a direction away from the traveling means, and the foliage portion is positioned in the front area in the advancing direction of the work implement main body in plan view. An agricultural working machine comprising: an induced foliage derivative. The farm work machine according to claim 1, wherein the foliage derivative is attached to either the left or right side of the work machine body. The farm work machine according to claim 1, wherein the foliage derivative is selected and attached to either the left or right side of the work machine body. The farm work machine according to claim 1, wherein the foliage derivative is attached to the work machine main body so that the height can be adjusted. 5. The agricultural machine according to claim 4, further comprising a height adjusting operation body that can be operated while being on the traveling means when adjusting the height of the foliage derivative. The traveling means is a tractor having a PTO shaft that can rotate forward and backward,
The work implement body is connected to the rear part of the tractor, and cuts the foliage on the field by down-cut work when the PTO shaft rotates forward, and up-cuts when the PTO shaft rotates backward. The farm working machine according to any one of claims 1 to 5, wherein the foliage is cut.

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