JPS608644Y2 - tillage equipment - Google Patents

Description

[Detailed Description of the Invention] The present invention involves inserting a vertically divided rotary case into two halves joined via a flange into a cutout of a rotary cover, and inserting a rotary case into a cutout of a rotary cover located on the open side of the cutout. The present invention relates to a tillage device in which a residual tillage processing blade is connected to a flange via a mounting bracket.

In the above tilling device, conventionally, as shown in FIG. 4, cover portions 2a, 2a on both sides of the entrance of the notch 1 are
Because it was left with a free end, it was susceptible to deformation due to collisions with objects thrown by the rotary.

The object of the present invention is to make it possible to reinforce the cover notch with a simple improvement.

Next, embodiments of the present invention will be described based on the drawings.

At the rear of the walking type self-propelled vehicle body, a pair of left and right running wheels 4, 4 are mounted on the rear of the fuselage via a mission case 3.
The rotary tiller 5 is connected to the rotary tiller 5, the output of the self-propelled vehicle is transmitted to the tiller 5, and the field is tilled as the self-propelled vehicle travels. It is.

The tillage device 5 is constructed as shown in FIGS. 1 and 2.

That is, a vertically divided rotary case 6 , which is joined via flanges 6 a and 6 a , is installed in the center of the left and right sides of the machine, and the input shaft 7 is attached to the upper end of the case 6 on one side of the machine. A pair of rotaries 8, 8, which can rotate integrally, are protruded from the lower end, respectively, on both the left and right sides of the machine, and a chain transmission mechanism (not shown) inside the rotary case 6 is installed. The removable residual tillage processing blade 9 is connected to the input shaft 7 through the rotary case 6, and the removable residual tillage processing blade 9 is fixed with bolts 11 to a mounting bracket 10 connected to the flange 6a of the rotary case 6. It is installed in a state where it is located closer to the front of the fuselage than 6.

A connecting member 13 having a lock pin that can be switched between an activated state and a non-activated state by a swing lever 12 is provided at the upper end of the rotary case 6, and is located on the front side of the machine body from the rotary case 6. It is.

Thereby, the connecting member 13 is connected to the hitch 14 attached to the mission case 3 to connect it to the self-propelled vehicle, and the input shaft 7 and the output shaft (not shown) of the mission case 3 are connected to a chain transmission mechanism. (not shown) to transmit the power of the self-propelled vehicle to both rotaries 8.8.

A machine frame 15 is provided extending from the upper end of the rotary case 6 to the rear of the machine body, and a tail wheel 16 is provided which is brought into contact with the ground at the rear of both rotaries 8, 8 in order to regulate the plowing depth.
is attached to the rear end of the machine frame 15 in a state where it can be raised and lowered by rotating a handle 17, and the tilling depth is changed by changing the height of the tail wheel 16 attached to the machine frame 15. It is.

A rotary cover 2 that covers the upper parts of both the rotaries 8, 8 is in a state where the rotary case 6 portion is inserted into a notch 1 formed at the front end of the machine body, and,
The rear side of the machine body beyond the notch 1 is connected to the lower surface of the machine frame 15 to prevent mud from scattering during plowing.

As shown in FIGS. 2 and 3, the cover notch 1 is located in a U-shaped plate shape in plan view, surrounding the rotary case 6 in cooperation with the rotary cover 2. The connecting member 18 is connected to both ends 18a and 18b.
are removably connected to the rotary cover 2 with bolts 19 near both sides of the entrance of the notch 1, and extend downward from the connecting member 18, and the extended end side is connected to the mounting bracket 10 with the remaining plowing. It is connected to the rotary case 6 via an extended portion 18c that is collinear with the processing blade 9.

That is, by connecting the free end-shaped cover portions 2a, 2a on both sides of the entrance of the cover notch 1,
By reinforcing the area around the notch 1 of the cover 2 and connecting both free-end cover portions 2a, 2a to the rotary case 6, the rotary case 6 as a whole of the cover 2 is strengthened.
The aim is to increase the strength of the connection.

In summary, the present invention provides the above-mentioned tillage device,
The rotary case 6 cooperates with the rotary cover 2.
A connecting member 18 having a U-shape in plan view is connected to the rotary cover 2 at both ends thereof, and an extending portion 18c extending downward from the connecting member 18 is attached to the mounting bracket 10 of the residual tillage processing blade 9. It is characterized by being connected to.

In other words, the cover parts 2a, 2 that were left free end
By making a simple improvement such as providing the connecting member 18 to connect the parts a to each other and to the rotary case 6, the girth of the cutout part 1 of the cover 2, which has been weak in strength in the past, can be improved. The strength of the cover 2 can be increased, and deformation of the cover 2 caused by collisions with clods can be prevented while reducing cost and production.

Moreover, according to the present invention, since the cover portions 2a, 2a are connected to the rotary case 6, the cover 2
The overall strength of attachment to the rotary case 6 can also be increased.

Furthermore, when connecting the connecting member 8 to the rotary case 6, it is connected to the mounting bracket 10 of the residual tillage processing blade 9, so that the residual tillage processing blade 9 may be bent in the left and right direction due to the load applied thereto. The mounting bracket 10 can be reinforced, and the oil in the case can be prevented from leaking out due to the flange joint surface of the rotary case being pushed wide by the load applied to the residual tillage processing blade.

[Brief explanation of the drawing]

The drawings show an embodiment of the tilling device according to the present invention, in which Fig. 1 is an overall side view of the walking cultivator, Fig. 2 is a front view of the main parts, Fig. 3 is a perspective view of the main parts, and Fig. 4. 3 is a perspective view of a conventional structure corresponding to FIG. 3. FIG. 1...Notch, 2...Cover, 6...
...Rotary case, 6a...Flange,
9...Remaining tillage processing blade, 10...Mounting bracket, 18...Connection member, 18 at 1
8b...end, 18c...extension part.

Claims (1)

[Scope of utility model registration request] The rotary case 6, which is vertically divided into two halves joined via the flanges 6a, 6a, is inserted into the notch 1 of the rotary cover 2, and is inserted into the flange 6a of the rotary case 6 located on the open side of the notch 1. , mounting bracket 1
The tillage device is a tillage device in which a residual tillage processing blade 9 is connected to the left tillage processing blade 9 through the rotary cover 2, and the connecting member 18, which is U-shaped in plan view and surrounds the rotary case 6 in cooperation with the rotary cover 2, has both ends thereof connected to the rotary case 6. A tillage device characterized in that it is connected to a rotary cover 2, and an extension portion 18c extending downward from the connection member 18 is connected to a mounting bracket 10 of the residual tillage processing blade 9.