JPH0259886B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a snowplow that can be used to remove accumulated snow from a road surface by dividing it into left and right sides, pushing it forward, or moving it to one side.

In general, the shape of the snow removal plate of a snowplow is such that the front side is approximately inverted V-shaped, or the front side is curved and extends straight, but in conventional snow removal machines, the snow removal plate attached to it is Even if it had a specific shape and its direction could be changed using a hydraulic cylinder mechanism, it was not possible to change the shape of the snow removal plate itself. In this case, it is not possible to perform any function other than pushing the snow accumulated on the road surface to the left and right. It was inconvenient to have to dispatch a snow plow with snow plates attached.

The present invention aims to eliminate such drawbacks, and the gist of the invention will be explained with reference to the attached drawings. This two-part left snow removal board 3
The inner ends of the left and right snow removal plates 4 are pivotally connected to the vehicle body 5, and support arms 6 and 7 are provided between the left and right snow removal plates 3, 4, and the vehicle body 5, respectively. By changing the lengths of 6 and 7, the mounting angle of the left snow removal plate 3 and the right snow removal plate 4 can be freely changed, and a front surface is attached to the inner end adjacent to the left snow removal plate 3 and the right snow removal plate 4. It is characterized in that a central snow removal plate 8 having a substantially inverted V shape is provided so as to be movable up and down with respect to the vehicle body 5 by means of an arm 9 pivotally connected to the vehicle body 5. Further, this example will be specifically explained.

1 to 5 show a first embodiment.
In the case of this first embodiment, a mounting frame 12 is attached to the hydraulic cylinder 1 by connecting arms 10 and 11 on the vehicle body 5.
3, the left snow removal plate 3 and right snow removal plate 4 are connected to the mounting frame 12 so as to be able to rise and fall freely.
The supporting arms 6 and 7 are installed so as to be horizontally rotatable.
is a hydraulic cylinder, this hydraulic cylinder is pivotally mounted on the mounting frame 12 and the right snow removal plate 4 or the left snow removal plate 3, and the left snow removal plate 3 and the right snow removal plate 4 are attached by the hydraulic cylinder. The angle is freely variable.

Further, in the central snow removal plate 8 of this embodiment, the base of the arm 9 is pivotally connected to the mounting frame 12 by a fulcrum pin 16, the central snow removal plate 8 is attached to the front part of this arm 9, and the arm 9 and A vertical hydraulic cylinder 17 is pivotally installed between the mounting rod 12 and the vertical hydraulic cylinder 17
This makes the central snow removal plate 8 vertically movable around the fulcrum pin 16. Since this first embodiment has the above-mentioned configuration, its snow removal types will be listed below.

First, as shown in Fig. 3, there is a snow removal type in which the left snow removal plate 3 and the right snow removal plate 4 are set straight in the left and right direction at the front of the vehicle body 5. This type removes snow from the road surface forward. You can push it away.

In this case, since the right snow removal plate 4 is obtained by dividing the snow removal plate 4 into two, the adjacent inner end portions of each are matched without any gaps, that is, the left snow removal plate 3 and the right snow removal plate 4 are Since it becomes like a single snow removal board, snow removal work can be done neatly. Further, in this case, the central snow removal plate 8 is fixedly rotated upward.

Alternatively, as shown in Fig. 4, the snow removal plate 3 and the right snow removal plate 4 are set diagonally and straight at the front of the vehicle body 3, and with this type, snow on the road surface is removed from the left or right side. can be pushed to one side. In this case as well, the central snow removal plate 8 is fixedly rotated upward.

Alternatively, as shown in FIG.
Arrange in a letter shape.

In this case, a gap R is formed adjacent to the inner ends of the left snow-blowing plate 3 and the right snow-blowing plate 4, which causes a problem, but the central snow-blowing plate 8 is installed in front of the gap.

In this snow removal type, the front surfaces of the left snow removal plate 3, right snow removal plate 4, and center snow removal plate 8 have a substantially inverted V shape, so that snow on the road surface can be shoveled left and right.

Alternatively, as shown in FIG. 6, one of the left snow removal plate 3 and the right snow removal plate 4 is set in the left-right direction in front of the vehicle body 5, and the other is set inclined with respect to the vehicle body 5, and the other is set in the center. This is a snow removal type in which the snow removal plate 8 is set on the front side of the inner edge adjacent to the left snow removal plate 3 and the right snow removal plate 4. In this type, snow on one side of the road surface can be pushed forward, and the snow on one side of the road surface can be pushed forward. This means that the snow on one side can be pushed to the side.

In this case as well, since the central snow removal plate 8 is located in front of the inner end adjacent portion of the left snow removal plate 3 and the right snow removal plate 4, snow does not get into the gap and is divided into left and right parts by the center snow removal plate 8. Snow on the road surface can be removed cleanly.

FIG. 7 shows a second embodiment.

In this second embodiment, the support arms 6 and 7 are simply rods, and by replacing these rods with rods of different lengths, the mounting angle of the left snow removal plate 3 and the right snow removal plate 4 can be varied. That is.

Note that the lengths of the support arms 6 and 7, which are simply rods, are made constant, and instead, a plurality of connecting holes 18 are formed,
It is also possible to vary the mounting angle by selecting the connecting hole 18.

Moreover, FIG. 8 shows a third embodiment.

In this third embodiment, the center snow removal plate 8 is pivotally connected by two link rods 19 and 20, and the locus of movement of the center snow removal plate 8 is therefore made low.

As described above, the present invention divides the snow removal plate 2 attached to the front of the snowplow 1 into left and right halves, and connects the inner ends of the left and right snow removal plates 3 and 4 to the vehicle body. Support arms 6 and 7 are provided between the left snow removal plate 3, the right snow removal plate 4, and the vehicle body 5, respectively, and by changing the lengths of these support arms 6 and 7, the left snow removal plate 3 The installation angle between the left snow removal plate 3 and the right snow removal plate 4 is freely variable, and a central snow removal plate 8 with a substantially inverted V-shaped front surface is attached to the vehicle body 5 adjacent to the inner ends of the left snow removal plate 3 and the right snow removal plate 4. Since the arm 9 is pivotally connected and is movable up and down with respect to the vehicle body 5, various types of snow removal can be obtained, and especially when the left snow removal plate 3 and the snow removal plate 4 are arranged in a V shape, etc. Even if a gap R is formed adjacent to the inner end, by arranging the central snow removal plate 8, snow will not enter the gap R, allowing for good snow removal.

Further, when the left snow removal plate 3 and the right snow removal plate 4 are arranged in parallel, if the central snow removal plate 8 is retracted, the center snow removal plate 8 is moved between both snow removal plates 3 and 4. It does not interfere with the operation and allows for better snow removal work.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; Fig. 1 is a side view of the first embodiment, Fig. 2 is a plan view thereof, Figs. 3 to 6 are illustrations of its operation, and Fig. 7 is an illustration of its operation. Second
FIG. 8 is a plan view of the embodiment, and FIG. 8 is a side view of the third embodiment. 1... Snowplow, 2... Snow removal board, 3... Left snow removal board, 4... Right snow removal board, 5... Vehicle body, 6, 7... Support arm, 8... Center snow removal board, 9...Arm.

Claims (1)

[Claims] 1. Divide the snow removal plate attached to the front of the snowplow into left and right halves, pivot the inner ends of the left snow removal plate and the right snow removal plate into the vehicle body, and attach the left snow removal plate to the vehicle body. Support arms are provided between the right snow removal plate and the vehicle body, and by changing the length of these support arms, the mounting angle of the left snow removal plate and the right snow removal plate can be freely changed. A snowplow characterized by having a central snow removal plate with a substantially inverted V-shaped front surface adjacent to the inner end of the snow removal plate, which is movable up and down with respect to the vehicle body by means of an arm pivotally connected to the vehicle body.