JP2002101703A - Farming implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a farming implement that can crush not only the top soil layer but also the hardpan layer to increase the water permeability and the air permeability and can activate the subsoil layer. SOLUTION: The movable mast 15 is positioned to two points of the real line position and the two-dotted chain line. The detachable pin 16 is mounted to the insertion hole 13B, when it gets over the levee AZ or moves between the field farms and the frame is lifted up mainly at the connection part to the lower link RL as the center. The arm 33 positions two points the real line point and the double dotted chain point and the press wheel 30 can be allow to come near to the levee by adjusting the angle of the wheel 30 to the ground. Further, in the case where the machine moves between the field farms, the arm can be lifted upward, as shown with the two-dotted chain line, above the rear frame 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an agricultural work machine such as a subsoiler work machine.

[0002]

2. Description of the Related Art When considering the cross-sectional structure of a field, a soil layer, which is called a topsoil layer, a hard layer, and a subsoil layer therebelow exist in order from the surface. If there is precipitation in such a field, rainwater will penetrate into the soil layer without any problem.However, in the case of rainfall exceeding the water absorption capacity of the soil layer, the rainwater will accumulate as surface water on the field. Would. Ideally, this surface water is guided to the subsoil layer below the hard bed layer, and stored inside the subsoil layer so that the water required for growing the crop can be supplied even during extremely low precipitation. Therefore, for this purpose, the hard disk is crushed and a part of the rainwater is introduced from the crushed hard disk into the subsoil layer. A subsoiler working machine is best known as a working machine used for such a purpose. In addition, a crusher that crushes crushed soil at the same time as crushing crushed soil is known.

[0003]

In such a subsoiler working machine or a pressure suppressor, when moving between fields, it is necessary to detach and attach to the tractor, and there is a problem that the workability is reduced. In addition, there is a problem that the angle to the ground of the crusher wheel provided in the crusher cannot be adjusted. In order to solve the above problems, the present invention facilitates movement between fields,
It is an object of the present invention to provide a farm work machine capable of easily adjusting the angle of the compression wheel to the ground.

[0004]

Therefore, an agricultural working machine according to the present invention is an agricultural working machine having a subsoiler and the like, which has a function such as soil crushing suppression on the rear side of the constituent frame of the subsoil crushing working machine in the working direction. An end of the support arm is pivotally attached to the frame, and a plurality of pin insertion holes are formed in the frame, and a stopper pin is formed in the pin insertion hole. The agricultural working machine is characterized in that a rotation position of the support arm with respect to the component frame is regulated to adjust a ground angle of the pressure-reducing wheel. For this reason, it is possible to adjust the angle of the crushing wheel to the ground so that the crushing wheel approaches the ridge.

[0005] Further, the rotation position of the support arm is regulated by the stopper pin, and the support arm is moved between fields with the support arm jumping up above the constituent arm.

[0006] Furthermore, a farm working machine mounted by at least a three-point link of a tractor, wherein a construction frame of the working machine to which a lower link of the tractor is attached, and one end rotatably attached to the construction frame and the other end attached thereto. A movable mast attached to an upper link of a tractor, and adjusting means for adjusting a rotational position of the movable mast with respect to the component frame such that the component frame is lifted up by using a connection portion with the lower link as a fulcrum. It is a featured agricultural work machine. Therefore, when climbing over a ridge or moving between fields, the frame of the agricultural work machine can be lifted around the connection with the lower link.

[0007] The adjusting means may include a plurality of pin insertion holes formed in a base mast provided in the component frame, a through hole formed in the movable mast, the pin insertion hole and the through hole. And a detachable focus attached to the frame for restricting a rotational position of the support arm with respect to the component frame.

Further, the movable mast is characterized in that it has a guide elongated hole for guiding a support shaft provided on the movable mast when the movable mast rotates.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 3, reference numeral 10 denotes an agricultural work machine. The agricultural work machine 10 including a subsoiler 20 and a pressure reduction wheel 30 is mounted on a link mechanism including an upper link UL and a lower link RL of a tractor. The farm work machine 10 is pulled by the upper link UL and the lower link RL as three-point links of the tractor, and can be raised and lowered in the vertical direction via the lift rod 41 and the lift arm 42 of the tractor.

The agricultural working machine 10 has a frame 11 as a main body of the agricultural working machine. The frame 11 is made of steel, is formed of a pipe member having a rectangular cross section, and is arranged along the working width direction. The subsoiler 20 crushes the subsoil and inverts it. Three beam holders 22 supporting each of the beams 21 of the subsoiler 20 are mounted near one end, the center and the other end of the frame 11. Have been.

Each of the beams 21 supported by the beam holders 22 has a chisel 23 at a lower end thereof. The chisel 23 has not only a subsoil crushing function but also a subsoil raising function. Wings 24 are attached to these chisels 23.

Each of the beam holders 22 is made of a steel plate, has the same shape and the same size, has a length in the front-rear direction, and is arranged in parallel with each other. Each beam holder 22
Are attached to the frame 11 via fixtures at each front end.

A bracket 25 is provided on the frame 11.
The lower link RL of the three-point link mechanism is attached to the front ends of these brackets 25. The agricultural work machine 10 and the tractor are integrated by such a three-point link mechanism.

Here, the configuration related to the beam 21 will be described in more detail. As shown, an earth-repellent plate 26 is attached along each front edge of the beam 21. These soil repellent plates 26 are formed so as to be curved at substantially the same curvature so as to be along the front edge of the curved beam 21, and are thrown and turned while excavating a part of the subsoil as the agricultural work machine 10 advances. I do. The soil raised on the surface in this way is mixed with the soil by the subsequent plowing reversal operation, and the subsoil is regenerated to form a deep soil layer. In the subsoil layer, cracks and air enter, the drainage becomes better, and the root growth environment becomes better. As a material of the soil repellent plate 26, a material having a low frictional resistance to the soil, a low adhesion of the soil, and an excellent wear resistance, for example, a plastic such as polyethylene is used.

As shown in FIG. 3, the wing 24 is mounted as shown by a solid line when working in an upland field.
At the time of paddy field work, it is installed inverted as shown by the two-dot chain line.

As shown in FIGS. 1 to 3, a rear frame 12 is arranged behind the above-mentioned frame 11 in parallel with the frame 11. The rear frame 12, like the front frame 11, is made of a steel pipe member having a rectangular cross section. And it is arrange | positioned along the working width direction.

As is apparent from FIGS. 2 and 3, the rear frame 12 is provided with the above-mentioned front beam holders 22.
Are captured from the front and rear directions of the agricultural work machine by the fixture as a mounting portion at each rear end. These fixtures capture the rear frame 12, so that the front frame 11 and the rear frame 12 are integrated. These fixtures are configured similarly to the fixtures described above for attaching the front end of each beam holder 22 to the front frame 11.

Two beam holders 22 each supporting a beam 21 are mounted on the rear frame 12 from a central portion thereof and slightly from both ends. That is, these beams 21 are located between the front beams 21 in the farm working machine width direction. That is, the beam 21 mounted on the front frame 11 and the rear frame 12
And the beam 21 attached to is mounted so that their work trajectories do not overlap.

A chisel 22 is provided at the lower end of each beam 21.
And wings 24 are attached to these.
These beams 21, chisel 22, wing 24
Is configured similarly to the front one. Each beam 21 is provided with the same soil-repellent plate 26 as the front one.

The two beam holders 22 have the same configuration as that of the beam holder 22 attached to the front frame 11.
That is, they are made of a steel plate, have the same shape and dimensions, have a length in the front-rear direction, and are arranged in parallel with each other. Each beam holder 22 is attached to the rear frame 12 via a fixture at each front end. This fixture has the same configuration as the aforementioned fixture for attaching the beam holder 22 to the front frame 1.

In the agricultural working machine 10 having the above configuration,
The function can be changed and expanded by mounting the rear frame 12 and the beam 21 attached thereto in accordance with expansion of the farming scale, as well as being able to be used with only the beam 21 mounted on the front frame 11. can do.

A base mast 13 is disposed in front of the center of the frame 11. The base mast 13 is formed by a pair of steel plates, has a height extending in the vertical direction, and has a lower end fixed to the frame 11, specifically, welded. In addition, two pin insertion holes 13A and 13B and a guide slot 13C are formed at the upper end of the base mast 13.

On the front side of the frame 11, a cross shaft 14 is arranged in parallel with the frame 11. The cross shaft 14 has brackets 25 at both ends.
To the frame 11.

As shown in FIG. 3, the movable mast 15 is formed in a substantially L-shape, and one end thereof is rotatably connected to the cross shaft 14. In addition, movable mast 1
The upper link UL of a three-point link mechanism provided in a tractor (not shown) is attached to the other end of the link 5. At the bent center of the movable mast 15, a through hole 15A and a support shaft 1 are provided.
5B are formed.

Also, as shown in FIG.
At the upper end of the movable mast 15, two pin insertion holes 13A and 13B are formed on an imaginary circle centered on the fulcrum of the movable mast 15, and the pin insertion holes 13A and 13B correspond to the pin insertion holes 13A and 13B. An elongated guide hole 13C is formed in the base mast 13. One pin insertion hole 15A of the movable mast 15 matches one of the two pin insertion holes 13A and 13B formed in the base mast 13, and the detachable pin 16 is inserted. With this configuration, the movable mast 15 can take two positions, a solid line position and a two-dot chain line position shown in FIG.

As a result, the agricultural work machine 10 is pulled by the tractor to cultivate the subsoil, but when the vehicle crosses the ridge AZ or moves between fields, the detachable pin 16 is attached to the pin insertion hole 13B. Then, the frame 11 is lifted around the connection with the lower link RL.

The crushing wheel 30 performs crushing of the crushed soil at the same time as the crushing of the crushed soil. The frame 31 of the crushing wheel 30 has arms 33 at both left and right ends of the crushing wheel 30 for supporting the rotation center axes thereof. The frame 12 is supported by a pivot pin 32 so as to be rotatable in a vertical plane. The arm 33 is allowed to move up and down in a vertical plane in the working direction with respect to the frame 31 by the pivot pin 32.

As shown in FIG. 3, a plurality of pin insertion holes 31A are formed in the frame 31 on an imaginary circle centered on the pivot pin 32, and these pin insertion holes 31A are formed.
The stopper pin 31B is inserted through any of the above. With this configuration, the arm 33 takes two positions, that is, the solid line position and the two-dot chain line position shown in FIG. 3, so that the ground angle θ of the crushing wheel 30 is adjusted so that the crushing wheel 30 approaches the AZ at the ridge. Can be. Further, at the time of movement between fields, the arm 33 can be flipped up above the rear frame 12 as shown by a two-dot chain line in FIG.

The agricultural working machine of the above-described embodiment has a total of five beams, two on the front side and three on the rear side. However, the number of beams and the configuration of the beams are variously changed as necessary. Of course.

[0030]

As is apparent from the above description, according to the present invention, when crossing a ridge or moving between fields, it is possible to lift the frame of the agricultural work machine around the connection with the lower link. it can. In addition, the crushing wheel can be brought closer to the ridge by adjusting the angle of the crushing wheel to the ground. Further, when moving between the fields, the compression wheel can be flipped up above the rear frame of the agricultural work machine.

[Brief description of the drawings]

FIG. 1 is a front view of an agricultural working machine according to an embodiment of the present invention.

FIG. 2 is a plan view of the agricultural working machine shown in FIG.

FIG. 3 is a right side view of the agricultural working machine shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Agricultural work machine 11 Frame 12 Rear frame 13 Basic mast 13A, 13B Pin insertion hole 13C Guide long hole 14 Cross shaft 15 Mast 15A Through hole 15B Support shaft 16 Detachable pin 20 Subsoiler 21 Beam 22 Beam holder 23 Chisel 24 Wing 25 Bracket 26 Earth-repellent plate 30 Compression wheel 31 Frame 31A Pin insertion hole 31B Detachable pin 32 Pivot pin 33 Arm UL Upper link RL Lower link

Claims (5)

[Claims] 1. An agricultural working machine having a subsoiler and the like, a pressure-reducing wheel having a function such as a soil crushing suppression function is provided via a support arm behind a component frame of the subsoil crushing work machine with respect to the work progress direction. Is pivotally attached to the component frame, and a plurality of pin insertion holes are formed in the component frame. A slipper pin is mounted in the pin insertion hole to rotate the support arm with respect to the component frame. A farm working machine characterized in that the position is regulated so that the angle of the compression wheel to ground can be adjusted. 2. The method according to claim 1, wherein the rotation position of the support arm is regulated by the stopper pin, and the support arm is moved between fields with the support arm being flipped up above the constituent arm. Farm work machine. 3. A farm working machine mounted by at least a three-point link of a tractor, comprising: a constituent frame of a working machine to which a lower link of a tractor is attached; A movable mast attached to an upper link of a tractor, and adjusting means for adjusting a rotational position of the movable mast with respect to the component frame such that the component frame is lifted up by using a connection portion with the lower link as a fulcrum. A featured agricultural work machine. 4. The adjusting means comprises: a plurality of pin insertion holes formed in a base mast provided in the component frame;
4. The vehicle according to claim 3, further comprising a through hole formed in the movable mast, and a detachable pin attached to the pin insertion hole and the through hole to regulate a rotation position of the support arm with respect to the component frame. Agricultural working machine. 5. The agricultural work machine according to claim 4, wherein the movable mast has a guide slot for guiding a support shaft provided on the movable mast when the movable mast rotates.