JP5114586B2 - Roadside snow removal device and roadside snow removal method - Google Patents

Description

The present invention exposes road guard rails and guard ropes (hereinafter referred to as road safety fences) buried in snow to ensure traffic safety and promotes road shoulder snow removal devices and road shoulders. It relates to a snow removal method.

Snow guards and guard rope road safety fences in snowy areas accumulate snow in a lump, and the snow removed from the road is pushed and accumulated, leaving it buried in snow. Become.
However, in the past, there was no dedicated snow remover to expose the road safety fence buried in snow by removing snow, and the road safety fence was partially buried because the snow removal on the roadway was in the state of forming a snow wall on the shoulder. It is in the state.

In addition, snow is removed from the sidewalk using a small work vehicle, but snow remains on the side of the road safety fence, so the snow remains in the shape of a bank between the road safety fence and the sidewalk. is the current situation.

Not found.

For this reason, snow walls and snow crests can cause problems such as causing a vehicle accident by causing snow on the upper end side to be blown off to the roadway by strong winds and obstructing the vehicle driver's view, and obstructing the lateral view at the intersection. There is a problem of causing a car accident at the meeting. At present, pedestrians are also faced with the danger that a vehicle suddenly appears from a bank-like snow cover at an intersection.

  The present invention has been made in view of the above-mentioned unsolved problems of the prior art, and by removing snow on both sides of the road safety fence and exposing the road safety fence from the snow, the vehicle due to snow scattering and poor visibility An object of the present invention is to provide a roadside snow removal device and a roadside snow removal method capable of preventing accidents and ensuring the walking safety of pedestrians.

The means of the present invention configured to solve the above-mentioned problem is a road shoulder snow removal device that eliminates snow accumulation that fills a road safety fence erected along a road shoulder, and a support attached to a work vehicle, A base end side is pivotally supported by the support body and protrudes in the lateral direction of the work vehicle, and a distal end side that exceeds the road safety fence is provided at a distal end of the movable arm, and a movable arm that is rotatable in a vertical direction. A snow removal blade that eliminates snow accumulation outside the road safety fence, and an avalanche mechanism that is disposed approximately in the longitudinal direction of the movable arm and has an avalanche plate that eliminates snow accumulation inside the road safety fence. Become.

  The snow removal blade may be composed of a lower snow removal blade and an upper snow removal blade, and the lower snow removal blade may be positioned forward of the upper snow removal blade in the traveling direction.

  The avalanche mechanism may be provided with a road surface sliding body at the lower end.

  The avalanche plate may be positioned behind the snow removal blade in the traveling direction.

  Furthermore, the avalanche mechanism may be provided on the movable arm so as to be able to advance and retract.

  The avalanche mechanism may include a snow cutting blade that cuts the hardened snow up and down.

According to a seventh aspect of the present invention, there is provided a means for projecting a snow removing blade located outside a road safety fence standing along a road shoulder and an avalanche board located inside from a work vehicle in a lateral direction. The snowboard outside the road safety fence is removed by the snow removal blade while the work vehicle is running, and the snow accumulation inside the road safety fence is eliminated by the snow throwing plate.

Since the present invention is configured as described above, the following effects can be obtained.
(1) Because the snow outside the road safety fence standing along the shoulder is removed by a snow removal blade, the snow inside is removed by an avalanche plate, and the road safety fence is exposed as much as possible. Traffic safety can be ensured by preventing snow splashes during strong winds and avoiding collisions at the intersections by ensuring visibility at intersections.
(2) Since the road safety fence is actively exposed by removing snow, melting of the snow mass adhering to the road safety fence is promoted by radiant heat, and the road safety is earlier than before. The rail can be exposed almost completely.
(3) The snow removal blade is composed of a lower snow removal blade and an upper snow removal blade. The lower snow removal blade located on the front side in the traveling direction removes the lower part of the snow first, so that the upper part of the snow easily collapses. Since the resistance received by the upper snow removal blade is reduced, work efficiency can be improved.
(4) By providing a road surface sliding body at the lower end of the avalanche mechanism, it is possible to prevent the road surface from being damaged during the snow removal work, and to maintain the height of the avalanche plate with respect to the road surface to be substantially constant for accurate snow removal work. enable.
(5) By placing the avalanche plate on the rear side in the direction of travel from the snow discharge blade, the snow cover becomes a thin wall, so the avalanche plate can easily collapse the snow cover and eliminate the remaining snow cover. .
(6) Since the avalanche mechanism is provided on the movable arm so as to be able to advance and retreat, snow can be removed while avoiding the installation on the road.
(7) Since the snow avalanche mechanism includes a snow cutting blade that cuts up and down the snow that has hardened by freezing, the snow removal operation can be performed smoothly by cutting up and down the frozen snow.

1 to 4 relate to an embodiment of the present invention, and FIG. 1 is a front view of a road shoulder snow removal device. It is a rear view of a road shoulder snow removal apparatus. It is a left view of a road shoulder snow removal apparatus. It is a perspective view which shows the structure of an avalanche board. 5 to 7 show a modification of the embodiment, and FIG. 5 is an external perspective view of the avalanche mechanism. It is a front view of an avalanche board. It is a top view of an avalanche board. 8 to 10 show a second modification. FIG. 8 is an external perspective view of the avalanche mechanism. It is a front view of an avalanche board. It is a top view of an avalanche board.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the figure, reference numeral 1 denotes a support constituting the road shoulder snow removal device. The support 1 includes a steel plate mounting plate 1A fixed to a work vehicle H such as a wheel loader, and a square steel pipe erected on the mounting plate 1A so as to be rotatable in a horizontal direction indicated by an arrow B. The vertical support 1B and the hydraulic drive 1C that rotationally drives the vertical support 1B. When the snow removal work is not performed or when the vehicle travels in the city, the movable arm 2 described later is placed in front of the work vehicle H. Alternatively, it can be stored inside the work vehicle H by rotating backward.

  Reference numeral 2 denotes a movable arm projecting in the lateral direction of the work vehicle H, with the base end side 2A being pivotally supported on the upper end side of the vertical support 1B. The movable arm 2 can be moved up and down in the up and down directions in the direction of the arrow 2B by a lifting hydraulic cylinder 3 connected between the base end side 2A and the vertical column 1B. It can be moved up and down beyond the safety fence G. The hydraulic oil for the lifting hydraulic cylinder 3 and other hydraulic cylinders 7 and 9 to be described later is supplied from the work vehicle H.

Reference numeral 4 denotes a snow removal mechanism that is suspended from the distal end 2B of the movable arm 2 and eliminates snow accumulation outside the road safety fence G, that is, on the opposite side of the roadway. The snow removal mechanism 4 includes a support column 4A suspended from the tip 2B of the movable arm 2, a lower snow removal blade 4B provided on the lower end side of the support column 4A, and an upper snow removal blade 4C disposed above the lower snow removal blade 4B. Both blades 4B and 4C are formed with a concave curved surface on the front surface. The lower snow removal blade 4B is slightly advanced to the front side in the direction of travel of the arrow as compared to the upper snow removal blade 4C by bending the lower side of the support post 4A forward and precedes the upper snow removal blade 4C. Thus, the lower part of the snow cover S is positioned so as to be removed.

  Reference numeral 5 denotes an avalanche mechanism disposed in the middle of the movable arm 2. Reference numeral 6 denotes a support arm that constitutes the avalanche mechanism 5, and the support arm 6 includes a rectangular tube-shaped sliding fitting body 6 A that is slidably fitted to the movable arm 2, and a side surface of the sliding fitting body 6 A. A column main body 6B projecting downward, a saddle shape whose front and rear ends are curved upward, a road surface sliding body 6C that is fixed to the lower end of the column main body 6A and slides on the snowy road surface, and a lower end of the column main body 6A The support pin 6D is fixed to the side with the tip facing upward. The support arm 6 can be advanced and retracted in the direction of the arrow in the direction of the arrow by an advancing / retracting hydraulic cylinder 7 provided between the supporting arm 6 and the movable arm 2.

Reference numeral 8 denotes an avalanche plate constituting the avalanche mechanism 5. The avalanche plate 8 includes a plate body 8A obtained by bending a horizontally long steel plate into a substantially square shape, and a connecting cylinder 8B formed at the base end of the plate body 8A. And is supported so as to be able to turn in the front-rear direction in the direction indicated by an arrow when the connecting cylinder 8B is inserted into the support pin 6D. Reference numeral 9 denotes a forward / backward hydraulic cylinder for swinging the avalanche plate 8 back and forth or approaching the snow accumulation S, and the forward / backward hydraulic cylinder 9 is mounted on a mounting shaft 9A projecting laterally from the lower end of the support arm 6. The piston rod is pivotally attached to the back of the avalanche plate 8.

The road shoulder snow removal device according to the present embodiment has the above-described configuration, and the operation thereof will be described next. First, by moving the movable arm 2 up and down in the direction of the arrow D, the lower snow removal blade 4B and the upper snow removal blade 4C are placed outside the road safety fence G, that is, on the opposite side of the roadway, and the road safety fence. Located on the side of G. Further, the advancing / retreating hydraulic cylinder 7 moves the support arm 6 of the avalanche mechanism 5 back and forth in the direction of the arrow, and the avalanche plate 8 is set in a state of approaching the road safety fence G.

  After that, when the work vehicle H is advanced in the direction of arrow E, the lower snow removal blade 4B first advances along the road safety fence G, and the snow accumulation S accumulated so as to fill the road safety fence G is obtained. Eliminate the lower half. As a result, the upper half of the snow cover that is no longer supported tends to collapse, and the upper snow removal blade 4C can remove the snow accumulation on the road safety fence G to the outside without receiving a large resistance.

  In addition, the snow cover that is formed in the shape of a snow wall on the roadway side along the road safety fence G is easy to collapse because the outer snow cover has been removed first, and here the snow breaker plate 8 is able to cover the snow. The snow on the road side can be easily broken by pressing from the side. At this time, the snow crushing plate 8 is swung forward and backward in the direction of the arrow by the hydraulic cylinder 9 for forward and backward movement, so that the snow can be quickly broken down, or the road can be rotated in the direction of the arrow or in the direction of the arrow. It is also possible to adjust the interval so that the avalanche plate 8 does not hit the safety fence G.

The roadside snow removal device according to the present embodiment eliminates the snow accumulation S formed on the roadside in this way, thereby preventing the occurrence of an accident such as snow scattering from a snowstorm and obstructing the field of view or colliding with the head of an intersection. It can be eliminated and can make a great contribution to road safety.

  Next, FIGS. 5 to 7 show modifications of the present embodiment. In the figure, 11 is an avalanche mechanism, and 12 is an avalanche plate constituting the avalanche mechanism 11. The avalanche plate 12 includes a plate main body 12A made of a horizontally long steel plate, and an upper curved piece 12C and a lower curved portion formed on the plate main body 12A by providing a cut 12B inward from the front end in the middle of the vertical width of the plate main body 12A. It consists of a piece 12D and a connecting cylinder 12E formed on the base end side of the plate body 12A.

  The avalanche plate 12 having the above-described configuration is provided on the support arm 6 by inserting the connecting cylinder 12 </ b> E into the support pin 6 </ b> D of the support arm 6 and connecting the advance / retreat hydraulic cylinder 7. The snow breaker plate 12 has a shape in which the upper curved piece 12C protrudes forward from the lower curved piece 12D, so that the upper part and the lower part of the soft snow cover S are broken with a slight time lag so that the snow scatters. It is intended to remove snow while preventing snow.

  8 to 10 show a second modification. In the figure, 13 indicates an avalanche mechanism, and 14 indicates an avalanche plate constituting the avalanche mechanism 13. The avalanche plate 14 is made of a horizontally long steel plate, a plate body 14A having a shaft support tube formed at the tip, a slit 14B formed in the middle of the plate body 14A from the tip to the inside, and the shaft support tube. It consists of a substantially cross-shaped snow cutting blade 14D rotatably provided on the inserted support shaft 14C, and a connecting cylinder 14E formed on the base end side of the plate body 14A.

The avalanche plate 14 having the above-described configuration is supported by the support pin 6D and can be swung back and forth by the advancing / retreating hydraulic cylinder 7. The snow cover S frozen by the temperature can be cut up and down while moving forward. Thus, the snow accumulation S is easily broken down.

DESCRIPTION OF SYMBOLS 1 Support body 2 Movable arm 4B Lower snow removal blade 4C Upper snow removal flade 5, 11, 13 Snow breaking mechanism 6C Road surface sliding body 8, 12 Snow breaking board 14 Snow cutting blade

Claims (7)

  A road shoulder snow removal device that eliminates snow accumulation that fills a road safety fence standing along a road shoulder, a support body that is attached to a work vehicle, and a base end side that is pivotally supported by the support body. A movable arm that protrudes in the direction and extends over the road safety fence, and is movable at the top and bottom, and a snow removal blade that is provided at the tip of the movable arm and eliminates snow accumulation outside the road safety fence; A road shoulder snow removal device comprising a snow breaker mechanism having a snow breaker plate disposed substantially in the middle of the movable arm in the longitudinal direction and excluding snow accumulation inside the road safety fence.   2. The road shoulder snow removal device according to claim 1, wherein the snow removal blade includes a lower snow removal blade and an upper snow removal blade, and the lower snow removal blade is positioned in front of the upper snow removal blade in the traveling direction.   2. The road shoulder snow removal device according to claim 1, wherein the avalanche mechanism is provided with a road surface sliding body at a lower end.   2. The road shoulder snow removal device according to claim 1, wherein the avalanche plate is positioned rearward in the traveling direction from the snow removal blade. The road shoulder snow removal device according to claim 1, wherein the avalanche mechanism is provided on the movable arm so as to advance and retreat.   The road shoulder snow removal device according to claim 1, wherein the avalanche mechanism includes a snow cutting blade that cuts the hardened snow pile up and down. A snow removal blade positioned outside the road safety fence standing along the road shoulder and an avalanche plate positioned inside are mounted in a state of projecting laterally from the work vehicle, and the road vehicle A method for removing snow on the shoulder of a road, wherein snow on the outer side of the safety fence is removed by the snow removal blade, and snow on the inner side of the safety fence for roads is eliminated by the snow throwing plate.

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