JP2843837B2 - Apron device for rotary tiller - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an apron device for a rotary cultivator, and more particularly, to an apron device configured by attaching an extension apron to an apron body.

[Conventional technology]

The rotary tilling machine has an apron for crushing and leveling the cultivated soil cultivated by the rotary, and can crush and level the released cultivated soil by colliding it with the apron. It has become.

This apron device has a width dimension corresponding to the working width of the rotary, and when an extension rotary is attached to the rotary, it is configured so that an extension apron can be attached to the apron to compensate for the working width. I have.

For this reason, in a well-known apron device, an apron part is attached to both ends of an apron main body to increase a plowing width. In this form, the apron body and the apron part are separate members, and the apron must be attached only when necessary, removed when not needed, and removed when attaching the tail wheel or single soil cultivator. Was.

[Problems to be solved by the invention]

According to the apron device having the above-described configuration, when an extension apron is not required, when attaching a tail wheel or a single soil cultivator, in order to remove that portion from the apron main body, use the nerve to manage the location of the extension apron. If this management is neglected, the extension apron will be lost if this management is neglected.

Accordingly, an object of the present invention is to provide an apron device in which the extension apron is always integrated with the apron main body, and the extension apron can be easily used when necessary.

[Means for solving the problem]

In order to achieve the above-described object, the present invention provides at least a rotary, an apron body 1 attached to a rotary cover, and an extension apron 2.
The apron main body 1 has a rectangular notch 1A corresponding to the rectangular extension apron 2 at both ends in the working width direction.
With the apron body 1 at the upper edge of this notch 1A,
An upper edge portion of the extension apron 2 is pivotally connected to the hinge 3 so as to be vertically rotatable. A lock pin 43 is provided at an inner edge of a lower end portion of the extension apron 2 so as to protrude laterally by a pressing spring 42. At the lower end of the apron main body 1 corresponding to 43, a pin receiver 44 for accommodating the lock pin 43 is provided to constitute a lock portion 4, and the extension apron 2 and the apron main body 1 are rotated with the extension apron 2 rotated upward. And a fixing portion 5 for fixing between them.

[Action]

When not in use, the apron device of the present invention can flip up the extension apron with the hinge as a fulcrum, fix the state and perform tilling work only with the apron main body, and also attach a tail wheel and a single soil cultivator. If necessary, use the extension apron as an extension of the apron body to work on the extended tillage width.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

1 to 3, reference numeral 1 denotes an apron main body, which has a width including an extension width, and only one side is shown in the drawings. A rectangular notch 1A corresponding to the extension width is provided at the edge. The upper edge of the extension apron 2 is attached to the upper edge 1B of the notch 1A by a hinge 3 so as to be vertically rotatable. Since the extension apron 2 is located at the notch 1A, the notch 1A is filled.

At the lower edge of the extension apron 2 is a thick portion
2A is formed, and a fixed lock portion 4 by a lock pin is provided on a surface portion of the thick portion 2A facing the end surface of the notch 1A.
Is provided. In this fixing part 4, a lock pin 43 is pushed in against a pressing spring 42 housed in a guide pipe 41, and a stopper 43 A provided in the lock pin 43 is inserted into a slit 41 A provided in the guide pipe 41 through the slit 41 A. It protrudes to the surface through a slit 2B provided in the thick part 2A.

Further, a pin receiver 44 for accommodating the lock pin 43 is embedded in the end face of the notch 1A of the apron body 1 which can face the guide pipe 41.

Further, a pin receiving piece 51 is fixed to the surface of the thick portion 2A, and a pin hole 51A is provided at the center of the pin receiving piece 51. The pin receiving piece 51 and the apron body centering on the hinge 3 are provided. A pin receiving piece 52 having a pin hole 52a is provided at a symmetrical position on the surface of the device 1. The fixing portion 53 is configured so that the fixing pin 53 can be inserted through the pin holes 51A and 52A in a state where the two pin receiving pieces are overlapped.

Next, a tilling operation using the apron device of the present invention will be described. First, when the work width is not increased, the extension apron 2 is flipped up and fixed by the fixing portion 5, so that the work width becomes the width of only the apron main body 1.

When extending the tilling work width, the extension apron 2 is wholesaled along the notch 1A of the apron main body 1, and the lock pin 43 is fitted into the pin receiver 44 of the apron main body 1 by the elasticity of the push pin 43. . In this state, the working width is increased by the width of the extension apron 2.

In order to release the extension work state, the stopper 43A of the lock pin 43 is moved along the slits 2A and 41A against the pressing spring 42 so that the lock pin 43 escapes from the pin receiver 44. 2 is rotated about the hinge 3, and the flip-up state is fixed by the fixing portion 5 of the apron main body 1.

[Other embodiments]

The above-described fixing portion 5 is shown as having the extension apron 2 provided with the pin receiving piece 51. However, as shown in FIG. 4, the lock pin 43 is used in place of the fixing pin 53, and is provided on the surface of the apron main body 1. Alternatively, the pin receiving piece 52 may be provided at a position that can be handled when the extension apron 2 is flipped up. In this case, a guide piece 45 for guiding the lock pin 43 is provided above the pin receiver 44 of the apron main body constituting the lock portion 4.

〔The invention's effect〕

As is apparent from the above description, according to the apron device for the rotary tiller according to the present invention, the upper edge of the extension apron 2 is vertically rotatable by the hinge 3 on the apron body 1 at the upper edge of the notch 1A. And a push spring 42 is attached to the inner edge of the lower end of the extension apron 2.
The lock portion 4 is formed by providing a lock pin 43 that can protrude laterally, and a pin receiver 44 that accommodates the lock pin 43 is provided at the lower end of the apron body 1 corresponding to the lock pin 43 The extension apron 2 can be used according to the working width. Further, when the extension apron 2 is not used, the extension apron 2 is rotated upward and the extension apron 2 and the apron main body 1 are fixed by the fixing portion 5.
Is always integrated with the apron main body 1, there is no risk of loss, the configuration is simple, and the extension apron 2
Use and non-use can be easily switched.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an apron device of a rotary tiller according to the present invention, FIG. 2 is an enlarged sectional view taken along the line II-II of FIG.
FIG. 4 is a partial perspective view showing a state where the battery is flipped up, and FIG. 4 is a perspective view showing another embodiment. 1 ... Apron body, 1A ... Notch, 2 ... Extension apron, 3 ... Hinge, 4 ... Lock part, 41 ... Guide pipe, 42 ... Press spring, 43 ... Lock pin, 43A ... Stopper, 44 Pin receiver 5 Fixed part, 51, 52 Pin receiving piece

Claims (1)

(57) [Claims] 1. A tilling rotary having at least a rotary, an apron main body (1) attached to a rotary cover, and an extension apron (2), wherein the apron main body (1) has a rectangular shape at both ends in a working width direction. Has a rectangular notch (1A) corresponding to the extension apron (2), and the upper edge of the extension apron (2) is hinged to the apron body (1) at the upper edge of the notch (1A). ) For pivoting up and down,
A lock pin (43) is provided on the inner edge of the lower end of the extension apron (2) so as to be able to protrude laterally by a pressing spring (42), and a lower end of the apron body (1) corresponding to the lock pin (43). A pin receiver (44) for accommodating the lock pin (43) is provided to form a lock portion (4), and the extension apron (2) and the apron body ( An apron device for a rotary cultivator, wherein a fixing portion (5) for fixing the apron to the apron is provided.