JPH04315604A - Snow removing vehicle - Google Patents

Abstract

PURPOSE:To prevent the collapse of the discharged snow by providing auxiliary rectification snow removing plates moved to the sides after the longitudinal inclination of a snow removing plate on the inside of the snow removing plate arranged at the front of a traveling vehicle. CONSTITUTION:When a snow removing plate 2 is longitudinally inclined by the action of a hydraulic cylinder, guide bodies 8 are rotated centering on a rotary shaft section 7. Slide bodies 9 inserted into the guide bodies 8 are rotated on circumferences with fulcrums Q serving as axes and lengths of rods 10 serving as radiuses, and the slide bodies 9 are slid to the right and left with respect to the guide bodies 8. Snow is removed in a fixed width by auxiliary rectification snow removing plates 3 fitted to the slide bodies 9.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a snowplow equipped with a special snow removal plate.

0002

[Prior Art] There are various methods for removing snow from snow-covered areas, one of which is to use a snowplow with a snow removal plate (so-called blade) installed at the front of the vehicle to push and remove the accumulated snow. There are ways to remove snow.

[0003] The snow removal plates used in this snowplow include an angle plow type in which the snow removal plate is a single piece and tilts back and forth around a fulcrum provided in the center of the front of the vehicle; There is also a multi-plow type, which is divided into left and right parts around a fulcrum set in the center of the front part, each of which operates independently.

[0004] These snow removal boards are formed with a rectangular cross section, and they dig up snow by the driving force of a snowplow,
In order to facilitate sideward reversal and ejection, the plate surface is often formed in a cross section that is curved toward the rear.

[0005] When such a curved snow removal board is pushed in an inclined state, the snow wall is formed into a curved snow wall with a bulge in the middle from the top to the bottom.

[0006] The degree of bulge of this curved snow wall increases in proportion to the slope of the snow removal plate, and even if you take the time to remove snow, the snow in the middle bulge tends to collapse downward, and this collapsed snow will return to the road surface. There was a drawback that additional snow removal work had to be carried out because it blocked the road and narrowed the road.

[0007]

SUMMARY OF THE INVENTION The object of the present invention is to provide a snowplow that solves these drawbacks by providing an auxiliary straightening snow removal plate.

[0008]

SUMMARY OF THE INVENTION The gist of the present invention will be explained with reference to the accompanying drawings.

An auxiliary rectifying snow removal plate 3 is provided inside at least one end of the snow removal plate 2 attached to the front of the traveling vehicle 1, and moves in and out to the side following the front and back inclination of the snow removal plate 2. This relates to a snowplow characterized by:

[0010] Further, a curved snow removal plate 4 is attached to the front of the traveling vehicle 1, and the plate surface is recessed in a curved manner toward the rear. An auxiliary straightening snow-blowing plate 5 that moves in and out laterally following the front and back inclination of the snow-blowing plate 4 is provided, and the edge of this auxiliary straightening snow-blowing plate 5 is arranged so that even if the curved snow-blowing plate 4 is tilted, the snow wall surface is not covered. This relates to a snowplow characterized in that the snowplow is set in a line shape in which the snowplow is cut into a substantially vertical wall surface A.

[0011]

[Operation] The invention of claim 1 will be explained.

If the snow removal plate 2 attached to the front of the vehicle 1 is tilted to the state shown in FIG. 2, the snow would normally be removed in the width of line A, and the snow removal width would be narrower. The present invention is a snow removal plate 2
Since the auxiliary straightening snow removal plate 3 provided at the end of the snow removal plate 3 follows the slope of the snow removal plate 2 and protrudes to line B, it is possible to remove snow of a substantially constant width. In other words, it becomes possible to clear snow in a straight line along line B. The invention of claim 2 will be explained.

When the curved snow removal plate 4, which has a concave plate surface curved toward the rear in front of the traveling vehicle 1, is tilted to the state shown in FIG. A curved snow wall with a bulging middle part is formed.

In the present invention, the auxiliary rectifier plate 5, which is provided at the end of the curved snow removal plate 4 and has a line-shaped edge, rotates laterally following the inclination of the curved snow removal plate 4. Then, this bulging curved snow wall B is scraped down to a substantially vertical wall surface A, thereby eliminating the need for further correction snow removal work.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the present invention will be described with reference to the accompanying drawings.

In many vehicles 1, the snow removal plate 2 is pivotally supported by a pivot shaft 7 provided near the center of the front part 6 of the vehicle body, and the snow removal plate 2 is supported by a hydraulic cylinder mechanism operated by hydraulic pressure. It rotates around the pivot shaft 7 to improve the efficiency of snow removal work.

Claim 1 will be explained with reference to FIG. 2 showing a first embodiment.

A guide body 8 whose left and right sliding surfaces are dovetail shaped is fixed to the inside of the end of the snow removal plate 2, and a slide body 9 that engages and slides on this guide body 8 is used for auxiliary straightening snow removal. Fasten plate 3,
A fulcrum P provided on the slide body 9 and a fulcrum Q provided on the front portion 6 of the vehicle body are connected by a rod 10. When the snow removal plate 2 is tilted back and forth by operating a hydraulic cylinder or the like, the guide body 8 fixed to the inside of the end also rotates around the pivot shaft 7. The slide body 9 rotates on the circumference with the fulcrum Q as the axis and the radius of the rod 10, so the slide body 9 slides left and right relative to the guide body 8. Become. Since the auxiliary straightening snow removal plate 3 is fixed to this slide body 9, the outer end of the auxiliary straightening snow removal plate 3 follows the inclination of the snow removal plate 2 and moves in and out to the side. Snow removal of a certain width becomes possible.

Claim 2 will be explained with reference to FIG. 3 showing a second embodiment.

A fulcrum R is fixed to the inner side of the end of the curved snow removal plate 4, and an auxiliary rectifying plate 5 whose edge is formed into a line shape is in axial contact with the fulcrum R, and the fulcrum R at the other end of this auxiliary rectifying plate 5 is A hydraulic cylinder 11 connects S and a fulcrum T fixed to the curved snow removal plate 4 slightly toward the center.

[0021] The curved snow removal plate 4 is moved by the hydraulic cylinder 12.
When tilted back and forth, the hydraulic cylinder 11 expands and contracts in accordance with this tilt, and the auxiliary rectifying snow removal plate 5 rotates around the fulcrum R. The line-shaped edge provided at the tip of the snow removal plate 5 rotates to form a curved snow removal plate. The bulge in the middle of the snow wall surface left uncut by the process is scraped off to form a substantially vertical wall surface A.

FIG. 5 shows a third embodiment of the present invention, in which a fulcrum R is fixed to the inner side of the end of a curved snow removal plate 4, and an auxiliary rectifying plate 5 is in axial contact with the fulcrum R. A fulcrum S at the other end of the current plate 5 and a fulcrum U provided at the front portion 6 of the vehicle body are connected by a rod 13.

The curved snow removal plate 4 is operated by the hydraulic cylinder 12.
When tilted back and forth, the fulcrum S follows this inclination and rotates around the fulcrum U on the circumference with the length of the rod 13 as the radius. The snow removal plate 4 rotates to scrape off the snow wall surface left uncut by the curved snow removal plate 4, using the edge provided at its tip to form a substantially vertical wall surface.

The auxiliary straightening plate 5 used for the curved snow removal plate 4 has a curved cross-sectional shape that matches the cross-sectional shape of the curved snow removal plate 4, and has a line shape in which the center portion of the edge portion bulges outward. However, it may be simply a plate-like shape with a rectangular cross section, and in short, it may be of a shape that allows the bulge in the approximate middle of the snow removal/snow accumulation wall to be scraped off substantially vertically.

Furthermore, the mechanisms of the embodiments described in this specification can be applied to both snow removal plates and curved snow removal plates.

[0026]

As described above, the present invention provides a snowplow that can ensure a substantially constant snow removal width or a substantially vertical snow wall surface.

[Brief explanation of drawings]

FIG. 1 is an explanatory plan view showing the configuration of a first embodiment of the present invention.

FIG. 2 is an explanatory plan view showing the working state of the first embodiment of the present invention.

FIG. 3 is an explanatory plan view showing the configuration and operating state of a second embodiment of the present invention.

FIG. 4 is a sectional view showing the shape of a snow wall surface after snow removal by the auxiliary straightening plate of the curved snow removal plate of the present invention.

FIG. 5 is an explanatory plan view showing the configuration of a third embodiment of the present invention.

FIG. 6 is an explanatory plan view showing the working state of a conventional curved snow removal plate.

FIG. 7 is a cross-sectional view showing the shape of a snow wall surface that has been cleared by a conventional curved snow removal plate.

[Explanation of symbols]

B Vertical wall surface 1　Driving vehicle 2 Snow removal board 3 Auxiliary straightening snow removal board 4 Curved snow removal board 5 Auxiliary straightening snow removal board

Claims (2)

[Claims] [Claim 1] An auxiliary straightening snow removal plate is provided on the inside of at least one end of the snow removal plate attached to the front of the traveling vehicle, and moves in and out laterally in accordance with the front and rear inclination of the snow removal plate. A snowplow. 2. A curved snow removal plate having a concave plate surface curved toward the rear is attached to the front of the traveling vehicle, and the curved snow removal plate is provided inside at least one end of the curved snow removal plate. An auxiliary straightening snow removal plate that moves in and out from the side follows the front and back inclination of the snow removal plate, and the edges of this auxiliary snow removal plate can be used to scrape the snow wall surface into a nearly vertical wall surface even if the curved snow removal plate is tilted. A snowplow characterized by being set in a line shape.