JPH0994002A - Agricultural clod crusher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply ensure a changeover means from a free vertical moving position to an earthing up operating position of a land grading unit for an agricultural clod crusher. SOLUTION: This agricultural clod crusher is obtained by installing a cover unit 5 in the upper part of a freely rotatably installed clod crushing unit 6 in a machine frame equipped with the clod crushing unit 6 and a land grading unit at the rear so as to enable the free shaking. A rotating transverse shaft is freely shakingly installed in the machine frame when providing a changeover operating means fixed to both a freely shaking position and an earthing up operating position to the machine frame and land grading unit. Furthermore, a changeover means is directly provided as a land grading plate through an auxiliary link 11 in the rotation transverse shaft.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ground leveling device for leveling and leveling crushed soil crushed by a crushed body of an agricultural crusher, and more particularly, it is fixed at a free-moving position of the ground leveling body and a grounding work position. It is related to the configuration.

[0002]

2. Description of the Related Art Conventionally, as a switching device for fixing a ground leveling body to a free swing position and a soil gathering work position, there is known Japanese Utility Model Laid-Open No. 59-52803 by the same applicant. The work rod is swingably provided on the mast of the mounting frame via the intermediate link, and the engaging member for locking the top of the work rod is provided. Also, in the known Japanese Patent Laid-Open No. 6-335304, the auxiliary rod, the intermediate link, and a work rod that slides on the mast portion of the mounting frame are provided, and a forward / reverse rotation motor is used as a lock engaging member of the work rod. It is arranged. Page (2)

[0003]

The above-mentioned known switching means for fixing the rocking free position to the ground leveling body and the earth moving work position slides on the top mast of the mounting frame via the auxiliary rod and the intermediate link. Since the work rod is arranged, the linking action is complicated and heavy, and there is a problem that the operation is inaccurate and uncertain due to rattling between fulcrums when used for a long time.

[0004]

In order to solve the above problems, a machine frame in which a crushed body is rotatably provided, a cover body provided in the machine frame and covering the crushed body, and a cover body A ground leveling body that is swingably attached to the rear end and level the ground that has been ground by the ground leveling body, a rotating horizontal shaft that swingably supports the ground leveling body in a vertically movable manner, and It is an object of the present invention to provide an agricultural earth crusher characterized by comprising a switching operation means for fixing the ground leveling body to a free swing position and a soil pulling work position via a rotating horizontal axis. Also, the agricultural earth crusher described above, wherein a cam plate having an engaging recess is arranged on the switching operation means, and a forward / reverse rotation motor is connected to the cam plate. Further, there is provided the agricultural crusher described above, in which a cam plate having an engaging recess is arranged in the switching operation means, and a hydraulic cylinder or an electric cylinder is connected to the cam plate.

[0005]

With respect to the cover body covering the crushed soil, the leveling body swingably attached to the rear end of the cover body, and the rotating horizontal axis for directly swinging and supporting the vertical movement of the leveling body, Since the switching means for fixing the ground leveling body to the free swing position and the earth pulling work position is provided, the ground leveling body can be selected as desired, and the motion with the ground leveling plate is accurate and reliable.

[0006]

【Example】

Page (3) The configuration will be described based on the drawings in which the present invention is implemented. FIG.
FIG. 2 is a diagram in which a part is omitted from a side face in which the present invention is implemented, and FIG. 2 is a plan view of a main part. FIG. 3 is a plan view of a main part of which a part is a cross section, and FIG. 4 is an operation explanatory view of a cam plate and an electric motor. FIG. 5 shows another embodiment.

Reference numeral 1 denotes a top portion of a mounting frame, which is mounted on a three-point link of a tractor with left and right side stays 4. A mission 7 is provided at the center, and a transmission shaft 3 is provided between them.
The crushed body 6 is rotated. 2 is an input shaft, a tractor PTO
Input the rotational force from the shaft. 8 indicates a pipe frame,
The crushed body 6 is supported laterally from the mission 7.

The fixed plate 1 extends to the rear end of the side stay 4.
2, the horizontal shaft body 9 is provided between the fixed plates 12 so as to be rotatable with respect to the main shaft 14. 16 is a cam plate and horizontal pin 15
Is a fulcrum, and the engaging member 1 is directed rearward.
3 is projected. The state shown in FIG. 1 is a state in which the second leveling body is set in a free position upward. The rocking plate 10 has a pair of projections provided behind the horizontal shaft body 9, and has an auxiliary link 11 at the tip.
Of the auxiliary link 11 is fixed to the upper surface of the second ground leveling plate 19.

Reference numeral 5 is a cover body covering the upper part of the crushed body 6, and a first leveling body 18 is pivotally attached to the rear end of the cover body 5,
A second leveling body is pivotally attached to the lower end of the first leveling body 18 so as to be swingable. Reference numeral 17 is a compression rod, which is attached to an appropriate elastic body (not shown) and is provided on the fixing plate so as to press the first ground leveling body to the mud side.

Next, the operation of fixing / releasing the engagement member 13 of the horizontal shaft body 9 and the electric motor 20 will be described with reference to FIGS. 3 and 4. The horizontal shaft body 9 is rotatably fixed to a main shaft 14 that projects inwardly from a fixed plate 12, and an engaging member 13 projects from one side. The cam plate 16 has an engaging recess 24, a rack 22 is formed on the outer circumference, and the cam pin 16 rotates about the horizontal pin 15 as a fulcrum. An electric motor 20 has a pinion 21 and meshes with the rack (4) rack 22 of the cam plate 16 described above.

FIG. 4 shows the state in which the engagement member 13 is engaged with the engagement recess 24 of the cam plate 16 and the horizontal shaft 9 is fixed in rotation. At this time, the second ground leveling body 19 connected to the auxiliary lock 11 is in a grounded state in which the second ground leveling body 19 is fixed in a suspended standing position. When the pinion 21 of the electric motor 20 is rotated in the reverse direction to rotate the cam plate 16 downward and the engaging member 13 is released from the engaging recess 24 to reach the free position, the second leveling body 19 is freely swingable. The working position is as shown in FIG.

FIG. 5 shows another embodiment, in which a telescopic cylinder 25 is connected to a lower portion of the cam plate 16 and is rotated about 15 lateral pins as a fulcrum.
The gist of the telescopic cylinder 25 is the same whether it is a hydraulic cylinder or an electric cylinder.

[0013]

With the above-mentioned structure, the switching means for fixing the ground leveling body in the agricultural crusher to the free rocking position and the earth moving work position can be manufactured with a simple structure and lightweight, and the operation is accurate and reliable. Is.

[Brief description of drawings]

FIG. 1 is a side view in which the present invention is embodied and a part of which is omitted.
Fig. 3 is a plan view of the main part. Fig. 3 is a plan view of the main part with a partial cross section. Fig. 4 is an explanatory view of the action of the cam plate and the electric motor.

[Explanation of symbols]

 1 Mounting Frame 2 Input Shaft 3 Transmission Shaft 4 Side Stipe Page (5) 5 Cover Body 6 Crushed Body 7 Mission 8 Pipe Frame 9 Horizontal Shaft Body 10 Swing Plate 11 Auxiliary Link 12 Fixing Plate 13 Main Spindle 15 Horizontal Pin 16 cam plate 17 compression rod 18 first leveling body 19 second leveling body 20 electric motor 21 pinion 22 rack 23 boss 24 engagement recess 25 telescopic cylinder

Claims (3)

[Claims] 1. A machine frame in which a crushed body is rotatably provided, a cover body provided on the machine frame and covering the crushed body, and a rear end of the cover body swingably attached to the crushed soil. The ground leveling body for leveling the ground leveled ground by the body, the horizontal axis of rotation for swingably supporting the ground leveling body in a vertically movable manner, and the leveling body for the ground leveling body provided on the machine frame through the horizontal axis of rotation. An agricultural earth crusher characterized by comprising a switching operation means for fixing the rocking free position and the earth moving work position. 2. The agricultural crusher according to the above, wherein a cam plate having an engaging recess is arranged on the switching operation means, and a forward / reverse rotation motor is connected to the cam plate. 3. The agricultural crusher according to the above, wherein a cam plate having an engaging recess is arranged on the switching operation means, and a hydraulic cylinder or an electric cylinder is connected to the cam plate.