JP4077107B2 - Spring rake support structure for agricultural machines - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, the spring rake provided between the first leveling body pivotally attached to the rear end portion of the shield cover and the scraper rotor and the first leveling body are rotated in conjunction with each other. The present invention relates to a spring rake support structure for agricultural machines .
[0002]
[Prior art]
Conventionally, vertically movable mounted through a 3-point linkage at the rear of the tractor, Dai掻Ro - the front part of the first ground leveling member pivotally attached to the rear end portion of the seal compartment cover which covers the upper side of the motor, said The front part of the second leveling body is pivotally attached to the rear part of the first leveling body, and the straw bales being cultivated between the first leveling body and the second leveling body and the cutting rotor, A scraping work machine provided with a spring rake for burying impurities and the like is well known.
[0003]
The mounting base of the spring rake in this prior art scraping machine is fixed. For this reason, there was a change in the effect of burial of spring rakes, impurities, etc. due to the depth of plowing rotor and the amount of straw in the soil. That is, when there are extremely many straws, foreign substances, etc. on the field surface, the spring rake is filled with straws, foreign substances, etc., pushing the cultivated soil forward, impairing the leveling. In addition, structurally, the distance between the spring rake and the first leveling body and the second leveling body is narrow, and there are cases where the effect of burying the spring rake, such as straw folds and foreign matter, is not sufficient.
[0004]
[Problems to be solved by the invention]
As described above, since the attachment base of the spring rake is fixed, and the distance between the spring rake and the first leveling body and the second leveling body is narrow, the cracks and impurities caused by the spring rake There was a problem that the effect of burying treatment such as could not be sufficiently improved.
The present invention has been made to solve the above problems.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention has the following configuration.
A. The front part of the first leveling body is pivotally attached to the rear end part of the shield cover that is attached to the rear part of the tractor via a three-point link device so as to be movable up and down, and covers the upper part of the scraper rotor. The front part of the second leveling body is pivotally attached to the rear part of the leveling body, and the straw bales in the cultivated soil are buried between the first leveling body and the second leveling body and the cutting rotor. Agricultural machines with spring rakes
Provided the mounting base of the spring rake to be vertically rotated, the this spring rake and the first leveling member, by interlocking as mutual rotation is interlocked, said the tip of the spring rake second The feature is that the difference from the working surface of the leveling body is kept almost constant .
[0006]
B. The depth of action of the spring rake is adjustable.
[0007]
[Action]
With the above configuration, the spring rake support structure of the agricultural machine performs the following operation.
(1) According to the configuration of claim 1, the spring rake and the first leveling body are rotated in conjunction with each other so that the difference between the tip of the spring rake and the working surface of the second leveling body is kept substantially constant. the in be Rukoto, Dai掻Ro - data regardless amount of straw culm of tilling depth change and in Kodo of burial treatment effect of straw culm by the spring rake is made substantially constant and stable. Therefore, the burial burial performance and the leveling / leveling performance of the first leveling body and the second leveling body are improved.
[0008]
(2) Since the working depth of the spring rake can be adjusted by the configuration of claim 2, the effect of burying the straw shark can be improved by adjusting the working depth of the spring rake according to the amount of straw in the cultivated soil. Enhanced. Further, the cultivated soil is not pushed by the spring rake, and the leveling and leveling performance by the first leveling body and the second leveling body is improved.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be specifically described with reference to the accompanying drawings.
[0010]
1 to 3, reference numeral 1 denotes a rotary scraping work machine having a predetermined length in the left-right direction, the front part of which is connected to the rear part of a tractor (not shown) so as to be movable up and down via a three-point link connection mechanism. The The scraping work machine 1 receives the power from the PTO shaft of the tractor via a universal joint, a transmission shaft, and the like, and rotates the scraping rotor 2 in the direction of the arrow to perform the scraping work. The substitution roller 2 has a large number of substitution claws 2b attached to the circumference of the rotary shaft 2a, and instead of the substitution claw 2b, a tilling claw or a ground claw is attached, and the rotational speed of the rotary shaft 2a is increased. It is also possible to use it for plowing work or crushing work by changing
[0011]
The upper part of the scraper rotor 2 is covered with a shield cover 3, and the front end portion of the first leveling body 4 is pivotally attached to the rear end portion of the shield cover 3. The front end portion of the second leveling body 5 is pivotally attached to the rear end portion of the first leveling body 4. A spring rake 6 is provided between the first leveling body 4 and the second leveling body 5 and the scraper rotor 2 to bury the straw bales in the cultivated soil. The spring rake 6 has a rotating shaft 6a as an attachment base, and a large number of linear rake bodies 6b are attached to the rotating shaft 6 at predetermined intervals.
[0012]
A connecting arm 7 is attached to the rotating shaft 6 a of the spring rake 6, and the tip of the connecting arm 7 and the bracket 4 a provided on the first leveling body 4 are connected by a connecting link 8. The first leveling body 4 and the first leveling body 4 are designed to be linked with each other. A connecting portion between the bracket 4a and the connecting link 8 is provided with a spring rake operating depth adjusting mechanism 9 for adjusting the operating depth of the spring rake 6, and the action of the spring rake 6 by the rotation of the operating depth adjusting handle 9a. The depth is adjusted. Since the mutual rotation of the spring rake 6 and the first leveling body 4 is interlocked, the difference A between the tip of the spring rake 6 and the working surface of the second leveling body 4 is kept substantially constant.
[0013]
In the rotary shaving work machine 1 having such a configuration, when performing shaving work, the work is carried out by being attached to a tractor via a three-point link mechanism and introduced into a paddy field. The rotary scraping work machine 1 receives power from a tractor, is shifted by a gear box, is transmitted from the main body frame to the scraping rotor 2 through a transmission case, and is driven to perform a ground preparation work. The soil scraped by the scraper rotor 2 is released so as to hit the spring rake 6, and straw and foreign substances are guided downward by the rake body 6 b and released downward, and the rake body of the spring rake 6. The soil that has passed between 6b falls on straw straw and foreign matter and buryes straw straw and foreign matter, etc., and the surface of the mud is leveled by the first leveling body 4 and the second leveling body 5. Is done.
[0014]
When the spring rake 6 is rotated rearward during such a scraping operation, the first leveling body 4 is also raised in conjunction with the linkage arm 7 and the linkage link 8. Even if the first leveling body 4 goes up first, the spring rake 6 goes up in conjunction with it. Therefore, the two always maintain a constant distance A, and the average burial and impurities are buried and leveling is always performed. In addition, the spring rake action depth adjusting mechanism 9 is rotated by the action depth adjusting handle 9a according to the state of the field and the amount of straw, impurities, etc. in the field scene, so that the action depth of the spring rake 6 is appropriately adjusted. Adjust to the correct state. 4 and 5 show a working state in which the working depth of the spring rake 6 is adjusted.
[0015]
When the first leveling body 4 is raised from the state of FIG. 3 to the state of FIGS. 4 and 5, the spring rake 6 is raised in conjunction therewith. In general, in a soft field, the working depth of the spring rake 6 is increased to increase the embedding depth of straw straw, foreign matters, and the like. In addition, when there are a lot of straws, foreign matter, etc. in the farm scene, the working depth of the spring rake 6 is reduced to reduce the resistance of the straws, foreign matters, etc. Ru enhance Hitoshitaira due leveling member 5.
[0016]
【The invention's effect】
As explained above, according to the straw burial burying device of the scraper working machine of the present invention, the following effects can be obtained.
[0017]
(1) A spring rake mounting base is provided so as to be pivotable up and down, and the spring rake and the first leveling body are linked so that their rotations are linked to each other so that the tip of the spring rake and the second leveling body Since the difference between the working surface and the first grading body is rotated in conjunction with each other, the change in the working depth of the cutting rotor and the straw in the cultivated soil are maintained. Regardless of the number of ridges, the effect of burial burial by spring rake can be stably and almost constant. Therefore, it is possible to improve the performance of burying the straw and the leveling / leveling performance of the first leveling body and the second leveling body.
[0018]
(2) Since the working depth of the spring rake can be adjusted, the working depth of the spring rake can be adjusted. By adjusting the working depth of the spring rake according to the amount of straw in the soil, The effect of burying treatment can be further enhanced. Further, the cultivated soil is not pushed by the spring rake, and the leveling and leveling performance by the first leveling body and the second leveling body can be improved.
[Brief description of the drawings]
FIG. 1 is a schematic side view of an alternative working machine according to the present invention.
FIG. 2 is a schematic front view of a spring rake.
FIG. 3 is a partial schematic side view of the machining apparatus according to the present invention.
FIG. 4 is an operation explanatory diagram of a substitute working machine.
FIG. 5 is an operation explanatory diagram of a substitute working machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rotary scraping work machine 2 Secondary scraping rotor 2a Rotary shaft 2b Secondary scratching claw 3 Shield cover 4 1st leveling body 4a Bracket 5 2nd leveling body 6 Spring rake 6a Rotating shaft 6b Rake body 7 Linking arm 8 Linkage link 9 Working depth adjustment mechanism of spring rake 9a Working depth adjustment handle A Difference between the tip of the spring rake and the working surface of the second leveling body (almost constant)

Claims (2)

The front part of the first leveling body is pivotally attached to the rear end part of the shield cover that is attached to the rear part of the tractor via a three-point link device so as to be movable up and down, and covers the upper part of the scraper rotor. The front part of the second leveling body is pivotally attached to the rear part of the leveling body, and the straw bales in the cultivated soil are buried between the first leveling body and the second leveling body and the cutting rotor. Agricultural machines with spring rakes
Provided the mounting base of the spring rake to be vertically rotated, the this spring rake and the first leveling member, by interlocking as mutual rotation is interlocked, said the tip of the spring rake second A structure for supporting a spring rake in an agricultural machine, characterized in that the difference from the working surface of the leveling body is kept almost constant . 2. The structure for supporting a spring rake in an agricultural machine according to claim 1, wherein the working depth of the spring rake is adjustable.

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