KR101573114B1 - Apparatus for removing snow - Google Patents

Abstract

The present invention relates to a snow remover. Such a snow removal apparatus includes a first frame coupled to a vehicle; A second frame disposed to face the first frame and connected to the snow blades; An upper frame hingedly connected to the upper portion of the first frame, and an upper frame hingedly connected to the upper portion of the second frame; A lower frame hingably connected to a lower portion of the first frame and a lower frame hingably connected to the lower portion of the second frame; A lifting / lowering part hinged to the first frame and the upper frame to move up and down the upper frame to move up and down the snow blades; And an up-and-down vibration absorbing portion disposed in the lower frame for absorbing vertical vibration transmitted to the snow removing device.

Description

{Apparatus for removing snow}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a snow removal apparatus, and more particularly, to a snow removal apparatus capable of easily absorbing vertical and longitudinal impacts that may occur in a snow removal blade during a snow removal operation by improving the structure.

In general, there is a method of snowing by spraying sodium chloride in a way that snow is piled up on a road in the winter, or snowing by a snowmobile with a blade on the front part.

The use of sodium chloride requires a large amount of sodium chloride to be used on public roads, which is costly and involves environmental problems. Therefore, there is a limit to snowing all the roads using sodium chloride.

Therefore, many snowmobile vehicles are used for snow removal in winter, snowmobiles are installed close to the road in the front part of snowmobile, and snowmobiles are pushed to the side of the road while snowmobiles I do.

In Fig. 1, as an example of such a snow removal vehicle, Patent Application No. 10-2012-89651 (name: snow removal machine) is presented. As shown in the figure, a snow removing apparatus is mounted on a front portion of a vehicle. The snow removing apparatus includes a fixed frame 400 coupled to a vehicle, A lifting cylinder 620 for vertically moving the snow removing plate 500, and a snow removing plate 500 for pushing the snow.

However, such conventional snow removal vehicles have the following problems.

First, a buffer spring is provided in the snow removing plate to absorb vertical vibration. Since the buffer spring is fixed to the main body of the snow removing plate by a complicated fixing member, it takes a long time for replacement or repair, and the work process is complicated.

Second, vertical vibration transmitted to the snow removing plate can be primarily absorbed by the buffer spring, but it is difficult to absorb vertical vibration transmitted from the snow removing vehicle when the frame is tilted in the vertical direction .

Third, the lifting and lowering cylinder that moves the snow removing plate up and down has a complicated structure, which takes a long time for maintenance and replacement, and complicates the work process.

Patent Application No. 10-2012-89651 (Snowing machine)

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a snow removing apparatus capable of effectively absorbing vertical and / or longitudinal vibrations transmitted to a snow removing blade by improving the structure thereof .

It is another object of the present invention to provide a snow remover that is simple in repair and replacement by simplifying the structure of a portion for vertically moving a snow blades and a portion for absorbing vertical vibration.

According to an aspect of the present invention, there is provided a vehicle comprising: a first frame coupled to a vehicle;

A second frame disposed to face the first frame and connected to the snow blades;

An upper frame hingedly connected to the upper portion of the first frame, and an upper frame hingedly connected to the upper portion of the second frame;

A lower frame hingably connected to a lower portion of the first frame and a lower frame hingably connected to the lower portion of the second frame;

A lifting / lowering part hinged to the first frame and the upper frame to move up and down the upper frame to move up and down the snow blades; And

And an up-and-down vibration absorbing portion disposed in the lower frame for absorbing vertical vibration transmitted to the snow removing device.

As described above, the snow removing apparatus according to an embodiment of the present invention has the following advantages.

First, since the frame structure connecting the snow blades to the vehicle is a one-piece structure composed of the first and second frames and the upper and lower frames, there is less failure and excellent durability.

Second, by applying the first and second cylinder assemblies, the angle adjusting unit can easily tilt the snow blades to the left and right, and can be easily tilted by linking with the arm bearings.

Third, the lifting and lowering part for lifting and lowering the snow blades upwardly and downwardly is of the cylinder type, so that the operation is simple and easy to replace.

Fourthly, in order to absorb the vibration in the vertical direction transmitted to the snow removal apparatus, the lower frame connecting the first frame installed on the vehicle and the second frame installed on the snow blades is a hinge structure, The vibration can be efficiently absorbed.

Fifth, by providing the buffer part composed of the shaft member and the spring, the vertical vibration of the snow blades can be efficiently absorbed.

1 is a perspective view showing a conventional snow removing apparatus.
2 is a perspective view illustrating a snow removal apparatus according to an embodiment of the present invention.
3 is a rear perspective view of the snow remover shown in Fig.
FIG. 4 is an enlarged perspective view of the ascending and descending portion shown in FIG. 3 in an enlarged manner.
FIG. 5 is an enlarged perspective view showing the up-and-down vibration absorbing unit shown in FIG.
FIG. 6 is an enlarged perspective view showing the buffer shown in FIG. 3; FIG.
7 is an enlarged perspective view showing another embodiment of the up-and-down vibration absorbing portion shown in Fig.

Hereinafter, a snow removing apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in Figs. 2 to 6, the snow removing apparatus 1 proposed by the present invention comprises a first frame 5 coupled to a vehicle;

A second frame (6) arranged to face the first frame (5) and to which the snow remover (7) is connected;

An upper frame 9 hingedly connected to the upper portion of the first frame 5 at one side and hinged at the upper portion of the second frame 6 at the other side;

A lower frame hingedly connected to the lower portion of the first frame 5 on one side and a hinged connection on the lower side of the second frame 6 on the other side;

An angle adjusting unit 15 connected to the second frame 6 to adjust a left-right angle of the snow removing blade 7;

A lifting and lowering portion 13 hinged to the first frame 5 and the upper frame 9 to move up and down the upper frame 9 to thereby raise and lower the blades 7;

An up-and-down vibration absorbing part (19) disposed in the lower frame (11) for absorbing vertical vibration transmitted to the snow removing device (1); And

And a cushioning portion 17 provided in the snow removing blade 7 to absorb vertical vibration of the snow removing blade 7.

In the snow removal apparatus 1 having such a structure, the first frame 5 is detachably coupled to the front portion of the vehicle. The first frame 5 is connected to the components including the blades 7. Therefore, when the snow removing work or the like is required, the snow removing blade 7 can be mounted on the vehicle by connecting the first frame 5 to the vehicle.

The upper frame 9 is hingably connected to the upper portion of the first frame 5 and the lower frame 11 is hingably connected to the lower portion of the first frame 5 to be connected to the snow blades 7.

One side of the upper frame 9 is hingably connected to the upper portion of the frame by means of bearings or the like and the other side of the upper frame 9 is connected to the lower frame 11 through the second frame 6. [ Is connected to the snow blades (7).

The lower frame 11 is composed of a pair of frames arranged at a certain distance apart. One side of the lower frame 11 is hingably connected to the lower part of the first frame 5 by bearings or the like and the other side is connected to the snow blades 7 through the second frame 6.

Therefore, when the ascending / descending section 13 is driven to lift the upper frame 9 upward, the second frame 6 and the lower frame 11 are lifted as well, and the snow removing blade 7 is lifted do.

As shown in Figs. 3 and 4, the ascending and descending portion 13 is a cylinder type and causes the upper frame 9 to move up and down. That is, the ascending and descending section 13 includes a cylinder 60 hingably connected to the first frame 5; And a piston 63 mounted on the cylinder 60 and moving up and down (42) to move up and down the upper frame (9).

The lower portion of the cylinder 60 is connected to the first frame 5 by a hinge pin 62 and the tip of the piston 63 is connected to the upper frame 9 by a hinge pin.

The cylinder 60 is connected to an external hydraulic device (not shown), so that when the hydraulic pressure is supplied, the piston 63 is expanded or contracted (42).

Accordingly, when the snow removing blade 7 is to be lifted, the hydraulic pressure is transmitted to the cylinder 60 so that the piston 63 rises to lift the upper frame 9, ).

On the contrary, when the snow removing blade 7 is lowered, the piston 63 of the cylinder 60 is contracted 42 to lower the upper frame 9, and the snow removing blade 7 descends through the second frame 6.

On the other hand, the snow blades 7 can be tilted so as to adjust the angle not only to the rising and falling but also to the left and right. 3, the angle adjusting unit 15 includes a pair of cylinder assemblies 15a and 15b connecting the second frame 6 and the snow blades 7 to each other.

That is, the angle adjusting unit 15 includes first and second cylinder assemblies 15a and 15b connecting the second frame 6 and the snow removing blades 7, and the first and second cylinder assemblies 15a and 15b, 15b are connected to the second frame 6 by a hinge pin and the other end is connected to a rear surface of the snow blades 7 by a hinge pin.

Therefore, when advancing the first cylinder assembly 15a, the snow removing blade 7 is inclined to the other side, and when the second cylinder assembly 15b is advanced, the snow removing blade 7 is inclined to one side.

As a result, it is possible to effectively perform the snow removal work by appropriately adjusting the angle of the snow blades 7 by the angle adjusting unit 15 during the snow removal operation.

3 and 5, the upper and lower vibration absorbing parts 19 include intermediate frames 22 and 27 disposed between the pair of lower frames 11; An upper elastic piece (31) hingably mounted on the upper portion of the intermediate frames (22, 27) and contacting the upper portion of the lower frame (11); A lower elastic piece 33 which is hingably mounted on the lower part of the intermediate frames 22 and 27 and contacts the lower part of the lower frame 11; An axis 42 passing through the upper and lower elastic pieces 31, 33; A spring 41 disposed on the shaft 42 to elastically press the upper elastic piece 31 downward; And an adjusting nut 43 fastened to the upper end of the shaft 42 to adjust the elasticity of the spring 41.

In the upper and lower vibration absorbing portion 19 having such a structure, the intermediate frames 22 and 27 have a "B" shape including the horizontal bar 27 and the vertical bar 22. The horizontal bar 27 is integrally connected to the intermediate frames 22 and 27 by welding or the like and the vertical bar 22 is connected to the lower portion of the first frame 5 by the hinge pins P. [

Therefore, when the lower frame 11 is vertically vibrated by external vibration or the like, the intermediate frames 22 and 27 also oscillate up and down.

Upper and lower elastic pieces 31 and 33 are hingably mounted on the upper and lower sides of the horizontal bar 27, respectively. That is, the upper elastic piece 31 has a "U" shape and is arranged in the longitudinal direction along the horizontal bar 27, is coupled from above and fixed by the hinge pin 35.

The lower elastic piece 33 has a U-shape and is arranged in the longitudinal direction along the horizontal bar 27, is coupled to the lower rotor, and is fixed by the hinge pin 35. As a result, (31, 33) are arranged to surround upper and lower portions of the horizontal bar (27).

The distal end 32 of the upper elastic piece 31 is located at a certain distance from the upper surface of the lower frame 11 and the distal end 34 of the lower elastic piece 33 is located at a certain distance from the lower surface of the lower frame 11 Located.

The top ends 32 and 34 of the upper elastic piece 31 and the lower elastic piece 33 are respectively disposed on the upper and lower portions of the lower frame 11 so that when the lower frame 11 is raised or lowered, ) Or the lower elastic piece (33).

The upper elastic piece 31 and the lower elastic piece 33 have a structure in which the shaft 42 penetrates in the vertical direction. That is, the shaft 42 passes through the through hole h formed in the upper elastic piece 31 and is fixed to the upper surface of the lower elastic piece 33.

In addition, the spring 41 is disposed in a section of the shaft 42 protruding to the upper portion of the upper elastic piece 31. The spring 41 is preferably a tension spring. The upper end of the spring 41 is elastically supported by the adjustment nut 43 and the lower end is elastically supported on the upper surface of the upper elastic piece 31.

Accordingly, the upper elastic piece 31 is elastically pressed in the downward direction by the spring 41.

When the lower frame 11 is raised in the state where the upper elastic piece 31 is pushed in this manner, the intermediate frames 22 and 27 are also raised, and the upper and lower elastic pieces 31 and 31 And pushes it upward. When the upper elastic piece 31 rises, it is supported by the spring 41, so that the shock can be absorbed.

On the other hand, when the lower frame 11 descends, the intermediate frames 22 and 27 also descend, and the intermediate frames 22 and 27 descend, and the shaft 42 also descends. At this time, since the shaft 42 is elastically supported by the spring 41, the impact transmitted to the lower elastic piece 33 can be absorbed.

In this way, when an impact or a vibration is transmitted to the lower frame 11, the impact can be absorbed and buffered by the upper and lower elastic pieces 31, 33.

Another embodiment of such an up-and-down vibration absorbing portion 19 is shown in Fig. The upper and lower vibration absorbing part 19 of this embodiment is different from the previous embodiment in that a pair of the first and second elastic pieces 74 and 72 and the spring are further provided.

As shown in the figure, the up-and-down vibration absorbing part 70 according to the present embodiment includes first and second intermediate frames 88 and 89 disposed between a pair of lower frames 11; A first elastic piece (74) connected to the first intermediate frame (88) and flowing up and down; A second elastic piece 72 connected to the second intermediate frame 89 and hinged to the first elastic piece 74 to vertically flow; A first shaft 82 vertically penetrating one side of the first and second elastic pieces 74 and 72; A second shaft 83 vertically penetrating the other side of the first and second elastic pieces 74 and 72; A first spring 82 disposed on the first shaft 82 to elastically press the first elastic piece 74 downward; A second spring 85 disposed above the second shaft 83 to elastically press the second elastic piece 72 downward; And first and second adjusting nuts 86 and 80 fastened to the upper ends of the first and second springs 84 and 85 to adjust elasticity of the spring.

In the up-and-down vibration absorbing portion 19 having such a structure, the first and second intermediate frames 88 and 89 are hingedly connected to the first frame 5 by the hinge pin P1. Therefore, when the lower frame 11 is caused to flow by vibration or the like, the first and second intermediate frames 88, 89 also flow together.

"자 형상을 갖음으로써 일측은 제 1하부 프레임(23)의 상부에 위치하며, 타측은 제 2하부 프레임(21)의 하부에 위치한다. 또한, 제 2탄성편(72)은 "

"자 형상을 갖음으로써 일측은 제 1하부 프레임(23)의 하부에 위치하며, 타측은 제 2하부 프레임(21)의 상부에 위치한다.The first elastic piece 74 is a "

The other end of the second elastic piece 72 is located at the upper portion of the first lower frame 23 and the other end of the second elastic piece 72 is located at the lower end of the second lower frame 21. The second elastic piece 72 is a "

"One side is located at the bottom of the first lower frame 23 and the other side is located at the top of the second lower frame 21. [

The middle portion of the first and second elastic pieces 74 and 72 is connected to each other by the hinge pin 76.

The first elastic piece 74 is integrally connected to the first intermediate frame 88 and the second elastic piece 72 is integrally connected to the second intermediate frame 89.

Therefore, when the first and second intermediate frames 88, 89 are oscillated up and down, the first and second elastic pieces 74, 72 also oscillate up and down.

At this time, one side of the first elastic piece 74 and the other side of the second elastic piece 72 are vertically connected by the first shaft 82, and the other side of the first elastic piece 74 and the other side of the second elastic piece 72, (72) is vertically connected by the second shaft (83).

A first spring 82 is disposed on the upper portion of the first shaft 82 to elastically press the first elastic piece 74 downward. That is, the first spring 82 is a compression spring, the upper portion thereof is supported by the first adjustment nut 86, and the lower portion thereof is elastically supported by the upper surface of the first elastic piece 74. The first spring 82 elastically supports the first elastic piece 74 in a state where the first shaft 82 is inserted and thereby the first elastic piece 74 vibrates in the vertical direction Absorbed.

A second spring 85 is disposed on the upper portion of the second shaft 83 to elastically press the second elastic piece 72 downward. That is, the second spring 85 is a compression spring, the upper part thereof is supported by the second adjusting nut 80, and the lower part is elastically supported by the upper surface of the second elastic piece 72.

The second spring 85 elastically supports the second elastic piece 72 in a state where the second shaft 83 is inserted so that when the second elastic piece 72 vibrates in the vertical direction, Absorbed.

In addition, the first adjustment nut 86 is fastenably mounted on the upper portion of the first shaft 82. Therefore, when the first adjusting nut 86 is properly tightened or loosened, the elastic force can be adjusted by pressing the first spring 82 downward or returning to the original state.

The second adjusting nut 80 is fastened to the upper portion of the second shaft 83. Therefore, when the second adjustment nut 80 is tightened or loosened, the elastic force can be adjusted by pressing the second spring 85 downward or returning to the original state.

On the other hand, as shown in Fig. 6, the buffering portion 17 absorbs the vertical vibration of the snow remover 7. The cushioning portion 17 includes a support bracket 49 mounted on a blade portion 8 disposed at a lower portion of the snow removing blade 7; A shaft member 43 connected to the lower portion of the support bracket 49 and inserted into a fixing bracket 55 protruding from the upper portion of the snow remover 7; And a buffer spring 45 inserted into the shaft member 43 to absorb the shock.

The snow removing blade 7 is composed of two parts of the blade part 8 and the main body 10. The supporting bracket 49 is disposed on the blade part 8 and the fixing bracket 55 is disposed on the main body 10 . The shaft member 43 is connected to the hinge shaft 50 of the support bracket 49 by the lower cylindrical bearing 47. An arm 53 is mounted horizontally on the shaft member 43 to be coupled to the stationary bracket 55. The insertion hole h1 is formed in the arm 53 so that the shaft member 43 penetrates in the up and down direction and protrusions 54 are formed on both sides.

The protrusions 54 are respectively inserted into the seating grooves h2 of the fixing bracket 55 and can be fixed by the fixing plate 57. [

Therefore, in the state that the shaft member 43 is fixed to the fixing bracket 55 by the arm 53, the shock can be absorbed by the spring 45 when the vibration of the blade unit 8 is transmitted.

At this time, the spring 45 preferably includes a tension spring. The upper end of the spring 45 is elastically supported on the upper support plate 51, and the lower end is elastically supported on the lower support plate 59.

Therefore, when the shaft member 43 raised by the vibration of the blade portion 8 is lowered, the impact can be absorbed by being supported by the elastic force of the spring.

1: snow removal device 5: first frame
6: 2nd frame 7: snow blades
9: upper frame 11: lower frame
13: ascending / descending portion 15: angle adjusting portion
17: buffering part 19: upper and lower vibration absorbing part

Claims (8)

A first frame coupled to the vehicle;
A second frame disposed to face the first frame and connected to the snow blades;
An upper frame hingedly connected to the upper portion of the first frame, and an upper frame hingedly connected to the upper portion of the second frame;
A lower frame hingably connected to a lower portion of the first frame and a lower frame hingably connected to the lower portion of the second frame;
A lifting / lowering part hinged to the first frame and the upper frame to move up and down the upper frame to move up and down the snow blades; And
And an up-and-down vibration absorbing portion disposed in the lower frame for absorbing vertical vibration transmitted to the snow removing device,
And a buffering portion provided in the snow removal blade to absorb vertical vibration of the snow removal blade,
The buffering portion includes a support bracket mounted on a blade portion disposed at a lower portion of the snow removing blade; A shaft member connected to the support bracket at the lower portion and inserted into a fixing bracket projecting upward from the snow removing blade; And a shock absorbing spring inserted into the shaft member to absorb impact,
The shaft member is connected to the hinge shaft of the support bracket at the lower part, and the arm is horizontally mounted to the upper part of the shaft member to be coupled to the fixing bracket. The arm is formed with the insertion hole, And protruding portions are formed on both sides thereof, respectively, and the protruding portions are inserted into the mounting grooves of the fixing bracket, respectively, and fixed by the fixing plate. The method according to claim 1,
The ascending and descending portion includes a cylinder hingably connected to a lower portion of the first frame; And a piston mounted on the cylinder and extending and contracting to move up and down the upper frame. The method according to claim 1,
The upper and lower vibration absorbers include an intermediate frame having one side hingedly connected to the first frame and the other side connected to one of the pair of lower frames; An upper elastic piece mounted on the intermediate frame by a hinge pin and covering an upper portion of the intermediate frame; A lower elastic piece mounted on the intermediate frame by a hinge pin to cover a lower portion of the intermediate frame; A shaft penetrating the upper and lower elastic pieces in a vertical direction; A spring disposed at an upper portion of the shaft to elastically press the upper elastic piece downward; And an adjusting nut fastened to an upper end of the shaft to adjust elasticity of the spring. The method according to claim 1,
The upper and lower vibration absorbers are hingably connected to the first frame at one side and the first and second intermediate frames at the other side respectively connected to the pair of lower frames; A first elastic piece connected to the first intermediate frame and vertically flowing; A second elastic piece connected to the second intermediate frame and hinged to the first elastic piece to vertically flow; A first shaft passing vertically through one side of the first and second elastic pieces; A second shaft passing vertically through the other side of the first and second elastic pieces; A first spring disposed above the first shaft to elastically press the first elastic piece downward; A second spring disposed on the second shaft to elastically press the second elastic piece downward; And a first and a second adjustment nut fastened to the upper ends of the first and second springs to adjust elasticity of the spring. 5. The method of claim 4,
The first elastic piece has one side located on the upper portion of the first lower frame and the other side located on the lower side of the second lower frame,
The second elastic piece has one side located at the lower portion of the first lower frame and the other side positioned at the upper portion of the second lower frame,
Wherein the intermediate portions of the first and second elastic pieces are connected to each other by the hinge pin so that the first and second elastic pieces are vibrated up and down when the first and second intermediate frames oscillate up and down. The method according to claim 1,
And an angle adjusting unit for adjusting a left-right angle of the blades by connecting the second frame and the blades,
The angle adjusting portion includes first and second cylinder assemblies connecting the second frame and the snow removing blade,
Wherein one end of the first and second cylinder assemblies is connected to the second frame by a hinge pin and the other end is connected to a rear surface of the snow removing blade by a hinge pin.










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