JP2006217877A - Agricultural work vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an agricultural work vehicle to perform proper ground leveling work. <P>SOLUTION: The agricultural work vehicle 1 is provided with a machine body 2 to be connected to a tractor. The machine body 2 has a ground leveling member 7 placed in a vertically tiltable manner. Extended ground leveling members 11 are attached to the right and left ends of the ground leveling member 7 in a vertically tiltable manner. The extended ground leveling member 11 performs the ground leveling work in a state contacting only its rear end with the field surface by line contact. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an agricultural machine that can perform appropriate leveling work.

Conventionally, for example, an airframe connected to a tractor, a tillable body rotatably provided on the airframe, a leveling body rotatably provided on the airframe, and a vertical end at a lateral end of the leveling body. Agricultural work machines are known that include an extended leveling body (extended rake) that is provided so as to be rotatable and that performs leveling work in a state of being in plane contact with a field scene (see, for example, Patent Document 1).
JP-A-6-335303

  However, in the configuration in which the leveling work is performed in a state where the extended leveling body is in contact with the field scene like the conventional farming machine, water, soil, and foreign matter (such as a basket) escape from the extended leveling body to the side. There is a problem that it is easy.

  The present invention has been made in view of the above points, and it is an object of the present invention to provide an agricultural machine capable of performing appropriate leveling work because water, soil, and miscellaneous materials (such as a basket) are unlikely to escape from the extended leveling body to the side. And

  The agricultural machine according to claim 1 is a machine body, a leveling body provided on the machine body so as to be rotatable in the vertical direction, and an extended leveling machine provided at the left and right ends of the leveling body so as to be rotatable in the vertical direction. The extended leveling body performs leveling work in a state in which the extended leveling body is in linear contact with the farm scene.

  And since the extended leveling body is configured to perform leveling work in a state where the extended leveling body is linearly in contact with the farm scene, water, soil, and other foreign objects (such as straw) are less likely to escape from the extended leveling side to the side, Appropriate leveling work is possible.

  The agricultural machine according to claim 2 is the agricultural machine according to claim 1, wherein the extended leveling body has a plurality of concave portions that are concave toward the field scene side.

  And since the extended leveling body has a plurality of concave portions that are concave toward the farm scene side, it is possible to effectively prevent water, soil, and other foreign matters (such as straw) from escaping to the side.

  The agricultural machine according to claim 3 is the agricultural machine according to claim 2, wherein the plurality of concave portions are positioned adjacent to each other in the left-right direction.

  And since the several concave-shaped part of an extended leveling body adjoins mutually and is located in a line with the left-right direction, the escape to the side of water, soil, and a foreign material (such as a basket) can be prevented more effectively.

  According to a fourth aspect of the present invention, there is provided the agricultural machine according to any one of the first to third aspects, further comprising a spring rake provided on the extended leveling body and projecting downward from the extended leveling body.

  And, it is possible to appropriately embed miscellaneous materials such as straw in the soil under the farm scene with the spring rake projecting downward from the extended leveling body.

  According to the first aspect of the present invention, the ground leveling work is performed in a state where the extended leveling body is in linear contact with the farm scene, so that water, soil, and other foreign matter (such as dredging) are longer than the conventional leveling leveling. It is difficult to escape from the body to the side, and appropriate leveling work can be performed.

  According to the second aspect of the present invention, since the extended leveling body has a plurality of concave portions that are concave toward the farm scene side, it is effective to escape water, soil, and foreign matters (such as straw) to the side. Can be prevented.

  According to the third aspect of the present invention, since the plurality of concave portions of the extended leveling body are adjacent to each other and arranged side by side in the left-right direction, more water, soil, and foreign matters (such as baskets) escape to the side. It can be effectively prevented.

  According to the invention which concerns on Claim 4, miscellaneous matters, such as a fence, can be appropriately embedded in the soil under a field scene with the spring rake which protrudes below from an extended leveling body.

  An embodiment of an agricultural machine according to the present invention will be described with reference to the drawings.

  In FIG. 1, reference numeral 1 denotes an agricultural machine. The agricultural machine 1 is a towing type scraper that is used by being connected to a tractor (not shown) that is a traveling vehicle. Then, the farm work machine 1 selectively performs the scraping work and the earthing work while moving the field forward by the traveling of the tractor while being connected to the rear part of the tractor.

  The farm work machine 1 includes a machine body 2 connected to a three-point link part (work machine lifting device) at the rear of the tractor.

  And between the left and right chain case parts 3 and the bracket part 4 of the machine body 2 is a rotary type tiller that receives power from the input shaft side through a transmission means such as a chain and rotates in a predetermined direction. A body (not shown) is rotatably provided. The tillage body has a tilling shaft that is long in the left-right direction and a tilling claw provided radially on the tilling shaft.

  Further, at the rear end portion of the tillage cover portion 5 of the machine body 2 is a substantially plate-shaped leveling body 7 that performs leveling work while rotating in the vertical direction so as to follow the field scene at the rear position of the tillage body. It is provided so as to be rotatable in the vertical direction via a rubber plate 8. The leveling body 7 includes a first leveling plate (level plate) 9 and a second leveling plate (rake) 10 provided at the rear end of the first leveling plate 9 so as to be vertically rotatable.

  Furthermore, a pair of left and right substantially plate-like extended leveling bodies that perform leveling work in a state where only the rear end side is in linear contact with the farm scene A at the left and right ends of the second leveling plate 10 of the leveling body 7 ( An extension rake) 11 is provided so as to be pivotable in the vertical direction between a working position and a non-working position about a pivot shaft in the front-rear direction. The extended leveling body 11 is configured to be rotated and folded to a non-working position on the leveling body 7 so that it does not get in the way when not working.

  Here, as shown in FIGS. 2 to 4, the extended leveling body 11 includes a leveling main body plate portion 12 whose front and rear end sides are bent toward the upper side so as to be inclined upward in the working state, and the leveling main body plate. And a connecting portion 13 that is provided in the portion 12 and is connected to the left and right end portions of the second leveling plate 10 of the leveling body 7.

  The leveling main body plate portion 12 has a linear grounding portion 15 in the left-right direction in linear contact with the farm scene A on the rear end side lower surface portion. Further, the leveling main body plate portion 12 has a plurality of, for example, four concave portions 16 that are concave toward the field A and have a longitudinal shape in the front-rear direction, and the plurality of concave portions 16 are spaced apart from each other by a predetermined distance. And located side by side in the left-right direction.

  Next, the operation and the like of the farm work machine 1 will be described.

  When using the agricultural work machine 1 to perform the cut-off work, the left and right extended leveling bodies 11 are turned to the work position around the turning axis in the front-rear direction and set to the working state.

  In this state, when the entire farm work machine 1 is moved forward by the traveling of the tractor, the tilling work is performed by the tilling body, and the leveling work is performed by the leveling body 7 and the extended leveling body 11. At this time, the extended leveling body 11 performs leveling work in a state where only the ground contact portion 15 on the rear end side thereof is in linear contact with the farm scene A.

  Therefore, according to the agricultural machine 1, compared to the conventional configuration, water, soil, and foreign matters (such as straw) are less likely to escape outward from the extended leveling body 11, and the water, soil, and foreign matters (such as straw) are extended to level. It can be made to flow into the inside of the body 11 and smoothly flow out backward, so that appropriate leveling work can be performed.

  The extended leveling body 11 may be as shown in FIGS.

  An extended leveling body 11 shown in FIGS. 5 to 7 is formed in a downwardly convex curved shape and has a leveling main body plate portion 21 that is inclined upward in the working state, and the leveling body plate portion 21 provided on the leveling main body plate portion 21. And a connecting portion 22 connected to the left and right end portions of the second leveling plate 10. The leveling main body plate portion 21 has a substantially wave-shaped grounding portion (a portion indicated by slant lines in FIG. 5) in the left-right direction in contact with the farm scene A linearly on the lower surface of the rear end. Further, the leveling main body plate portion 21 has a plurality of, for example, four concave portions 26, which are concave toward the farm scene A side, have a top 24 and an inclined surface 25, and have a mountain shape. Are positioned adjacent to each other in the left-right direction.

  In the configuration provided with the extended leveling body 11, water, soil, and foreign matters (such as dredging) are more difficult to escape from the extended leveling body 11 to the outside. 11 can flow into the inside and smoothly flow out backward, and since the plurality of concave portions 26 are positioned adjacent to each other in the left-right direction, the sides of water, soil, and other foreign objects (such as straw) Can be more effectively prevented, and therefore more appropriate leveling work can be performed.

  Further, as shown in FIGS. 8 to 10, the extended leveling body 11 includes a plurality of substantially V-shaped horizontal plane portions 31 constituting a part of the ground contact portion 23 at the rear end of the leveling main body plate portion 21. For example, three may be formed. In this case, the ground contact area of a substantially wave-shaped ground contact portion (portion indicated by hatching in FIG. 8) 23 that touches the farm scene A linearly in the left-right direction is slightly larger than that shown in FIG. Note that the term “contact with a linear shape” as used herein includes not only the case of contacting with a linear shape in a strict sense but also the case of contacting with a substantially linear shape.

  Even in the configuration provided with the extended leveling body 11, water, soil, and other foreign matters (such as straw) are more difficult to escape from the extended leveling body 11 to the outside, as in the case shown in FIG. Since objects (such as baskets) can flow into the inside of the extended leveling body 11 and smoothly flow out backward, and the plurality of concave portions 26 are positioned adjacent to each other in the left-right direction, water, soil, It is possible to more effectively prevent miscellaneous objects (such as ridges) from escaping to the side, and thus more appropriate leveling work can be performed.

  On the other hand, as shown in FIGS. 11 to 13, a plurality of rod-like springs whose lower end projects downward from the leveling main body plate portion 21 of the extended leveling body 11 and embeds foreign matters such as straw into the soil under the field A. The rake 33 may be provided on the extended leveling body 11.

  That is, a holding portion 34 is provided on the upper surface portion of the leveling main body plate portion 21, a rake insertion hole is provided at a predetermined position of the leveling main plate portion 21, and the spring rake 33 is held by the holding portion 34. The lower end side of the rake 33 projects downward from the leveling main plate 21 through the rake insertion hole. When the spring rake 33 is provided, the spring rake 33 can appropriately embed miscellaneous substances such as straw in the soil under the agricultural scene A.

  Although not shown, a spring rake 33 may be provided on the extended leveling body 11 shown in FIG. 4 or the extended leveling body 11 shown in FIG.

  Further, the present invention is not limited to the configuration in which the extended leveling body (extended rake) 11 is provided at both left and right ends of the leveling body 7, and the extended leveling body 11 is provided only at either one of the left and right ends of the leveling body 7. Other configurations may be used.

It is a top view of one embodiment of the agricultural working machine of the present invention. It is a top view of the extension leveling body of a farm working machine same as the above. It is a rear view of an extension leveling body same as the above. It is a side view of an extension leveling body same as the above. It is a top view of the extended leveling body of other embodiment of this invention. It is a rear view of an extension leveling body same as the above. It is a side view of an extension leveling body same as the above. It is a top view of the extended leveling body of further another embodiment of this invention. It is a rear view of an extension leveling body same as the above. It is a side view of an extension leveling body same as the above. It is a top view of the extension leveling body and spring rake of other embodiment of this invention. It is a rear view of an extension leveling body same as the above and a spring rake. It is a side view of an extension leveling body same as the above and a spring rake.

Explanation of symbols

1 Agricultural machine 2 Airframe 7 Leveling body
11 Extended leveling body
16, 26 concave part
33 Spring rake A Farmland scene

Claims (4)

The aircraft,
A leveling body provided on the machine body so as to be rotatable in the vertical direction;
An extended leveling body provided at the left and right end of the leveling body so as to be rotatable in the vertical direction;
The extended leveling body performs leveling work in a state where the extended leveling body is linearly in contact with a field scene. The agricultural implement according to claim 1, wherein the extended leveling body has a plurality of concave portions that are concave toward the farm scene side. The agricultural machine according to claim 2, wherein the plurality of concave portions are positioned adjacent to each other in the left-right direction. The agricultural working machine according to any one of claims 1 to 3, further comprising a spring rake provided on the extended leveling body and protruding downward from the extended leveling body.

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