JPH052U - Anti-dashing device for cultivator - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide a device that prevents dash of the machine during cultivating work, with a structure that does not cause entanglement of grass straw or irregular marks on the finish and does not require adjustment work. . [Structure] The central transmission case is used as a drive resistance device that drives the resistance device that prevents the dash of the machine body by utilizing a part of the power transmitted to the pawl shaft rotary supported by the central transmission case. The device is a dash prevention device that is placed close to. The drive resistor is configured as an inclined pawl shaft which inclines downward with respect to the horizontal pawl shaft portion of the pawl shaft rotary, and the inclined pawl shaft is displaced in the forward direction with respect to the horizontal pawl shaft portion. Including those provided so as to be decelerated from the horizontal pawl shaft portion, a drive resistor is further provided in the central transmission case.
It also includes a device which is arranged at the rear part of the back and is adapted to reciprocate in the vertical direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention relates to a cultivator having a center-drive type rotary cultivator. The present invention relates to a device that prevents a dash of a machine body that occurs during work.

[0002]

[Prior art]

  As is well known, a general cultivator is equipped with a rear cultivator at the rear end of a rotary cultivator equipped on a traveling body. Set the working depth with a free-wheel gauge wheel that can be installed vertically in the section, and It is configured to till the soil to the set plowing depth with the rotating rotary claw shaft.

[0003]

[Problems to be solved by the device]

  In this type of cultivator, the nail shaft rotary that drives downcut rotation is driven. Since the force of force acts in the direction of increasing the propulsion of the tiller body, the field to be cultivated is hard. If it is not right, the aircraft tends to sprint especially and proper plowing is not performed. There is a problem.   Therefore, it is possible to suppress the dash of the airframe by attaching a resistance rod to the rotary tillage part. It is conceivable that if the resistance rod is simply attached, Although it can function for a while to stop the direction, it is difficult to adjust the blocking force with the resistance rod. There is a problem that it is troublesome and troublesome. This creates a problem that the trace of passage of the anti-stick is dug up and the finish becomes irregular.   The present invention has been made in view of such problems, and its purpose is to Does not have to worry about entanglement of grass straw or other irregularities in the finished marks, and does not require adjustment work. In addition, we have obtained a dash prevention device for cultivators that can appropriately prevent dash of the aircraft There is something to do.

[0004]

[Means for Solving the Problems]

  That is, the dash prevention device of the cultivator according to the present invention is supported by the central transmission case. The drive resistor that drives using part of the power transmitted to the rotary shaft of the pawl that is received is transmitted centrally. It is characterized in that it is provided close to the moving case.   Then, the drive resistor is an inclined rotary that rotates downward with respect to the horizontal axis. The horizontal pawl shaft portion of the pawl shaft rotary is displaced forward in the traveling direction, and It is preferable to be configured so as to be rotated at a reduced speed than the horizontal pawl shaft portion.   In addition, a drive resistor is installed in the rear part of the central transmission case to reciprocate vertically. It may be configured to.

[0005]

[Operation and effect of the device]

  Tillage work is performed by the tiller equipped with the dash prevention device with the above configuration. When power is transmitted to the rotary shaft of the pawl when driving, it is driven by a part of the transmitted power. The resistance tool is also driven at the same time, and the resistance tool in the operating state should be located near the central transmission case. Willingly participated in the soil near the central transmission case and fulfilled the function of residual tillage treatment. While blocking the dash of the aircraft, the drive resistor moves in the activated state, so the grass Straws are not entangled, and if the passing traces are dug in and the finish becomes irregular, You can cultivate it satisfactorily.

[0006]

【Example】

  Next, an embodiment of the present invention will be described with reference to the drawings.   FIG. 1 is a perspective view of a cultivator for implementing the device of the present invention, and FIG. 2 is suitable for the first embodiment of the present invention. FIG. 3 is a side view of the used cultivator, FIG. 3 is a cross-sectional view showing a main part structure of the first embodiment, and FIG. 4 is a book. FIG. 5 is a side sectional view showing a second embodiment of the invention, and FIG. 5 is a plan sectional view showing a driving structure of the second embodiment. Is.

[0007]   In FIGS. 1 and 2, the cultivator is a frame extending from the mission case (4). -The engine (6) is mounted on the frame (5) and the power of the engine (6) is stored in the mission case. It is transmitted to the axle (7) via the transmission of and drives the traveling wheels (8) fitted to it. It is configured to run, and the driving operation is a control extended from the mission case. It is designed to be performed at the hand of the handle (9).

[0008]   On the other hand, the rotary tillage part (R) is attached to and detached from the power take-out part of the mission case (4). A central transmission case (1) that can be mounted and a beam (10) extending from the upper part of the case , A plowing depth setting gauge (11) provided at the tail of the beam, a plowing cover (12), etc. It is composed by.   At the lower end of the central transmission case (1), a pawl shaft orthogonal to the machine traveling direction The rotary (2) is installed sideways, and the pawl shaft rotary (2) is center-dive type. Is made.

[0009]   In FIGS. 2 and 3, the pawl shaft rotary (2) includes a horizontal pawl shaft portion (2a) and a drive resistor. (3) The slanted claw shaft portion.   This will be described in detail. Bearing holders (13) are provided on the lower left and right sides of the central transmission case (1). (13) are attached, and the horizontal horizontal axis (OO) transmission shaft (14) is attached to their inner diameters. Bearings are supported and a passive sprocket (15) is fitted to the center of the shaft to extract the power. So that it is forcibly driven by the chain (16) wound between the output sprocket Is configured.

[0010]   The outer diameter portion of the left and right bearing holders (13) (13) is with respect to the horizontal horizontal axis (OO). It is formed on the inclined supports that incline downward at a predetermined angle, and each inclined support has a shaft. The left and right inclined claw shafts (3) and (3) are rotatably supported by the receiver.   A ring gear is provided in the inner diameter portion of each inclined claw shaft portion (3) (3) near the outer end. (17) (17) is engraved, and each ring gear has the transmission shaft (14) fitted and fixed to the crocodile. That is engaged with the pinion gears (18) (18) and is decelerated and transmitted from the transmission shaft (14). The tilted pawl shaft portions (3) and (3) are rotationally driven by the force.   In addition, the horizontal pawl shaft is attached to the transmission shaft (14) projecting leftward and rightward from the inclined pawl shaft portions (3) (3). The parts (2a) (2a) are fitted and fixed, and these horizontal claw shaft parts (2a) (2a) are connected to the transmission shaft (4). Is directly driven to rotate.

[0011]   A predetermined number of tilling claws (19) are predetermined around the outer periphery of the horizontal claw shafts (2a) (2a). And the required number of tillers around the outside of the inclined claw shafts (3) (3). With the pawl (20) attached, the tilting pawl shaft (3) and the cultivating pawl (20) have the above-described deceleration. Due to the transmission structure, there is a speed difference between the horizontal pawl shaft (2a) and the plowing pawl (19). It is supposed to be moved.   The inclined claw shaft that is the drive resistor (3) is a horizontal claw shaft as shown in FIG. (2a) is provided in front of the machine body in the traveling direction, and the tilted pawl shaft portion is cultivated. The nail (20) is driven into the soil before the plowing nail (19) of the horizontal nail shaft (2a). It is like this.

[0012]   4 and 5 show a drive resistor (3) as a chisel body that reciprocates vertically. Another embodiment is shown which is arranged on the back of the central transmission case (1).   In this example, the pawl shaft rotary (2) is entirely constituted by only the horizontal pawl shaft portion. The chisel body, which is the drive resistance device (3), is used for the plow cover (12) and the like. An upper end of the chisel body is supported by a support portion (21) installed on the tiller frame so as to be vertically slidable. One end of a link (23) that swings up and down around the support shaft (22) is connected to the end portion by a long hole engagement. The chisel body is connected by swinging the link (23) with the crank arm (24). Is configured to reciprocate up and down.   The crank arm (24) is fitted and fixed to the rotating shaft (25) which is horizontally mounted on the beam (10). The rotary shaft (25) is connected to the input shaft (26) of the central transmission case (1) by a chain (27). It is adapted to be rotatably driven by being dynamically connected.

[0013]   Therefore, in this alternative embodiment, the pawl shaft rotary consisting of the horizontal pawl shaft portion only. When (2) tills the soil, the chisel body (3) that reciprocates up and down moves in the soil in a fixed cycle. While giving resistance to cut into the aircraft and prevent the aircraft from rising, the central transmission case The remaining plowed portion will be plowed. In other words, in the first embodiment described above With the chisel body, the function of giving resistance and residual tillage treatment that the slanted claw shaft part has achieved is Can be achieved almost equally.

[Brief description of drawings]

FIG. 1 is a perspective view of a tiller implementing the device of the present invention.

FIG. 2 is a side view of a cultivator to which the first embodiment of the present invention is applied.

FIG. 3 is a cross-sectional view showing a main part structure of the first embodiment.

FIG. 4 is a side sectional view showing a second embodiment of the present invention.

FIG. 5 is a plan sectional view showing a drive structure of a second embodiment.

[Explanation of symbols]

1 Central transmission case 2 claw shaft rotary 2a Horizontal claw shaft 3 Drive resistor OO Horizontal horizontal axis

Claims (3)

[Scope of utility model registration request] 1. A claw shaft roller supported on a central transmission case (1).
A dash prevention device for a cultivator, characterized in that a drive resistor (3) for driving by utilizing a part of the power transmitted to the tarry (2) is provided in the vicinity of the central transmission case (1). . 2. The drive resistor (3) is an inclined rotary that rotates downward with respect to the horizontal axis (O-O), and the horizontal pawl shaft portion of the pawl shaft rotary (2). The dash prevention device for a cultivator according to claim 1, wherein the dash prevention device is provided so as to be displaced forward with respect to the traveling direction (2a) and is configured to be rotated at a reduced speed relative to the horizontal pawl shaft portion (2a). 3. A drive resistance device (3) has a central transmission case (1).
The dash prevention device for a cultivator according to claim 1, wherein the dash prevention device is arranged on a rear portion of the rear and is configured to reciprocate in a vertical direction.