JPH0132488Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention relates to an auxiliary wheel device in a management machine.

(Prior Art) A conventional ridge treatment machine in which auxiliary grounding bodies are attached to arms extending on both sides of the machine body is known from Japanese Utility Model Application Publication No. 56-89306.

(Problem to be solved by the invention) In the above-mentioned ridge treatment machine, the lifting device of the arm is easily soiled and damaged by being exposed to the soil clods dug, and it cannot be used for any type of ridge shape. There is a drawback.

Therefore, the object of the present invention is to provide an auxiliary wheel device for a management machine that can be used for any type of ridge and has the ability to run straight without being soiled by dug soil clods.

(Means for Solving the Problems) In order to achieve the above-mentioned objectives, the present invention installs a link mechanism that can freely swing up and down to the support device on the rotary cover and extends from side to side. An auxiliary wheel device in a management machine, in which an auxiliary wheel is provided at the end so that the vertical movement can be adjusted freely, and the auxiliary wheel is configured to roll on a ridge or along a side wall of a ridge;
It provides:

(Function) According to the proposed model, the auxiliary wheels are located above the rotary, so when digging trenches and the plowing area is narrow, the auxiliary wheels can be positioned on the ridges and the machine can move, thereby preventing the machine from tilting. You can drive straight in a stable state without any problems. In addition, when the plowing width is wide, the auxiliary wheel adjustment device allows the auxiliary wheels to be placed against the ridge wall when traveling, and in this case as well, the mower is guided by the ridge wall and can travel straight in a stable state.

(Example) The embodiments shown in the drawings will be described below.

The one shown is a management machine capable of rotary tillage. An engine 2 is mounted on a frame 1, and a driven pulley 5 is driven from an engine pulley 3 via a belt 4. 7 is driven.

On the other hand, the rotary 8 is driven from the driven pulley 5 via a gear mechanism of a transmission case 9. Reference numeral 10 denotes a rotary cover, on which a support post 11 is supported, and links 12, 13, 14, and 15 forming a parallelogram link mechanism are attached to this. 13 is vertically swingable, and the links 14 and 15 are also vertically swingable. 20, 20.

Therefore, the links 12 and 13 can be fixed with the pins 20 and 20 at their vertically moved positions.

At the tips of the links 12 and 13 there are arms 21 and 21 that can be rotated up and down, and on these are auxiliary wheels 22,
23 are provided.

Since the present invention is constructed as described above, when digging a trench with the rotary 8, the heights of the auxiliary wheels 22 and 23 are adjusted in accordance with the depth of the trench. To do this, the pins 20, 20 are loosened, the links 12, 13 are moved up and down, and the pins 20, 20 are fixed at appropriate positions.

Auxiliary links 12, 13 of arms 21, 21
The position relative to each other is also adjusted by tightening the screws of the pivot parts 24, 25.

When trenching is performed in this manner, the auxiliary wheels 22 and 23 are located on the ridge a, which allows the tiller to work stably without wobbling.

The above work is for narrow and low ridges, but for wide and high ridges, the auxiliary wheel 2
2 and 23 against the side wall of the ridge so that it can move straight. (See FIG. 3) In this case, springs may be used so that the auxiliary wheels 22, 23 press against the side walls of the ridge.

Note that if the support column 11 is configured to be rotatable in the horizontal direction, the auxiliary wheel can also be used as a tail wheel.

(Effects of the invention) According to the present invention, the auxiliary wheels are provided on the support device on the rotary cover so that they can be adjusted up and down via the link mechanism, and can be adjusted rotationally with respect to the link mechanism. The auxiliary wheels can be positioned above the rotary, so when digging trenches and the tilling width is narrow, the auxiliary wheels can be positioned on the ridges and the machine can move in a stable state without tilting. You can go straight. In addition, when the plowing area is wide, the auxiliary wheel adjustment device allows the auxiliary wheels to be placed against the ridge wall when traveling, allowing stable straight-line movement.

In any case, the proposed model has the advantage that the auxiliary wheels prevent the aircraft from tilting, which improves straight-line performance.

Moreover, the swing adjustment mechanism of the link mechanism and the adjustment device of the auxiliary wheels allow the use of the auxiliary wheels to adapt to any shape of ridge, and moreover, the swing adjustment mechanism of the link mechanism is hidden by the rotary cover. Because of this, it will not be contaminated by soil clods dug in the trenches.

[Brief explanation of the drawing]

FIG. 1 is a front view of the device according to the present invention, and FIGS. 2 and 3 are rear views showing different usage states of the device according to the present invention. 8...Rotary, 10...Rotary cover, 22, 23...Auxiliary wheels.

Claims (1)

[Scope of utility model registration request] A link mechanism that can be adjusted to swing up and down is attached to the support device on the rotary cover and extends left and right, and an auxiliary wheel is installed at the end of this link mechanism so that it can be adjusted up and down. An auxiliary wheel device in a management machine configured to roll along.