Snow cleaning device

Abstract

The utility model discloses a snow cleaning device, belongs to the field of snow cleaning equipment, and aims to solve the problem that a rolling brush of the snow cleaning device is greatly abraded when the rolling brush is brushed at a raised position on the ground due to the fixed height of the rolling brush. Comprising a vehicle end connecting seat plate, a brush end connecting assembly, a rolling brush assembly and a swing adjusting device, the rolling brush assembly is rotationally arranged on the front portion of a brush frame, the rear side of the brush frame is horizontally hinged to the front side of the brush end connecting assembly, and the upper side of the brush frame and the upper side of the brush end connecting assembly are hinged to the two ends of a spring damper respectively; the vehicle end connecting base plate and the brush end connecting assembly are connected through a swing adjusting device. When the snow sweeping device encounters a ground protrusion, the rolling brush assembly can rotate and rise around a hinge shaft between the brush frame and the brush end connecting assembly due to the fact that the spring shock absorber has the compression amount, and then the snow sweeping brush pieces on the rolling brush assembly are prevented from being excessively abraded at the ground protrusion position.

Description

Technical Field

[0001] The utility model belongs to the field of snow clearing equipment, and particularly relates to a snow clearing device. Background Art

[0002] In winter, snow covers the ground. If the snow cannot be cleared in time, passing vehicles will be greatly hindered, affecting traffic safety. Snow removal in winter is an important livelihood guarantee project. Mechanical snow removal has become the main method of snow removal due to its high efficiency and strong snow clearing ability. The existing snow clearing equipment is diverse and complex. Among them, the in-line brush snow removal equipment set in front of the tractor has been the most widely used.

[0003] This kind of snow clearing device has the advantages of strong snow clearing ability, simple structure, low cost, etc. For example, the Chinese invention patent with the publication number of CN108755555A discloses a brush connection device for a snow removal vehicle, which includes a brush, a brush holder, a vehicle frame and an oil cylinder. The ground wheel is installed on the brush holder and located behind the brush. The brush rotates and is arranged on the brush holder. The vehicle frame is connected to the tractor, and the vehicle frame and the brush holder are connected by an oil cylinder. The oil cylinder controls the pitching swing and horizontal swing of the brush holder.

[0004] Since the oil cylinder maintains its state after the telescopic movement is in place, the brush contacts the ground at a fixed height. When encountering a ground protrusion, the brush over-sweeps the ground protrusion, and the brush will be excessively worn, affecting the service life of the brush. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a snow clearing device to solve the problem that the height of the brush of the snow clearing device is fixed and the brush will be excessively worn when the brush encounters a ground protrusion. The technical solution adopted by the utility model is as follows:

[0006] A snow clearing device includes a vehicle end connection seat plate, a brush end connection component, a brush assembly and a swing adjustment device. The brush assembly rotates and is arranged at the front of the brush holder. The rear side of the brush holder is horizontally hinged to the front side of the brush end connection component. The upper sides of the brush holder and the brush end connection component are respectively hinged to both ends of a spring shock absorber. The vehicle end connection seat plate and the brush end connection component are connected by a swing adjustment device.

[0007] Further, the swing adjustment device includes a hinge joint, a limit support rod assembly, two swing cylinders, and two triangular frames. Two first rotating shafts are arranged vertically in the middle of the rear end of the brush end connection assembly. The two first rotating shafts are coaxially arranged. The two triangular frames are arranged parallel to each other vertically. The rear end of the triangular frame is horizontally hinged to the front end face of the vehicle end connection seat plate. The front ends of the two triangular frames are respectively horizontally hinged to the two first rotating shafts in one-to-one correspondence. The limit support rod assembly includes a front limit tube and a rear limit tube. Two limit connection ears are arranged at the front part of the triangular frame located at the upper end. First long circular holes are vertically formed in the limit connection ears. A sliding pin is horizontally arranged at the front end of the front limit tube. The two ends of the sliding pin slide in the two first long circular holes respectively. The rear end of the rear limit tube is horizontally hinged to the front end face of the vehicle end connection seat plate. The rear end of the front limit tube is in plug-in sliding fit with the front end of the rear limit tube. The limit support rod assembly is arranged obliquely upward from back to front. The two swing cylinders are respectively arranged on the left and right sides of the limit support rod assembly. Hinge holes perpendicular to each other are provided at both ends of the hinge joint. The rear cylinder head of the swing cylinder is hinged to the front end face of the vehicle end connection seat plate through the hinge joint. The piston rod of the swing cylinder is hinged to the rear end face of the brush end connection assembly through the hinge joint.

[0008] Further, the brush end connection assembly includes a seat plate body, a fixing plate, and an adjusting plate. The seat plate body is horizontally arranged. The middle of the rear end of the seat plate body is connected to the front end face of the fixing plate. A plurality of long circular arc holes are provided on the fixing plate. The plurality of long circular arc holes are concentric. A plurality of connection holes are provided on the adjusting plate. The plurality of connection holes are connected to the plurality of long circular arc holes in one-to-one correspondence through bolts. The first rotating shaft is rotatably arranged on the adjusting plate.

[0009] Further, first shaft sleeves are respectively arranged on the left and right sides of the rear end of the seat plate body. The two second rotating shafts are in rotational cooperation with the two first shaft sleeves in one-to-one correspondence. The lower end of the second rotating shaft is connected to the wheel frame of the caster.

[0010] Further, the brush holder includes a left side plate and a right side plate. Motor mounting seats are respectively arranged at the front parts of the left side plate and the right side plate. The two hydraulic motors are respectively fixed on the two motor mounting seats. The output shafts of the two hydraulic motors are coaxial and opposite to each other. The two ends of the rotary brush assembly are respectively connected to the output shafts of the two hydraulic motors. The rear parts of the left side plate and the right side plate are connected by a horizontal shaft. A horizontal tube sleeve is provided at the front end of the seat plate body. The horizontal shaft is hinged to the horizontal tube sleeve.

[0011] Further, the rotary brush assembly includes a main pipe shaft, shaft heads, sleeves, and several support square pipes. Shaft heads are provided at both ends of the main pipe shaft. A spline hole adapted to the motor output shaft is machined on the outer end face of each shaft head. Two sleeves are respectively sleeved on the outer perimeters of the two shaft heads. The outer perimeters of the two sleeves are connected by several support square pipes. The support square pipes are arranged parallel to the main pipe shaft. Several support discs are spacedly sleeved on the main pipe shaft. The outer diameter of each support disc is the same as that of the sleeve. The outer perimeters of the support discs are respectively connected to several support square pipes. Several snow sweeping brush pieces are arranged and sleeved on the several support square pipes. The retaining pins on the inner perimeters of the snow sweeping brush pieces are snap-connected to any one of the support square pipes.

[0012] Further, a first hinge ear is provided on the upper side of the middle part of the horizontal shaft. A second hinge ear is provided on the upper side of the adjusting plate. One end of the spring damper is horizontally hinged to the second hinge ear, and the other end of the spring damper is horizontally hinged to the first hinge ear.

[0013] Further, a third hinge ear is provided on the upper part of the rear end face of the vehicle end connection seat plate, and fourth hinge ears are respectively provided on the left and right sides of the lower part.

[0014] Further, two groups of second long circular holes are respectively formed on both sides of the lower part of the vehicle end connection seat plate. The second long circular holes are horizontally arranged. Bolts pass through the fourth hinge ears and cooperate with the corresponding second long circular holes.

[0015] Further, a cover body is provided above the upper part of the rotary brush assembly. The cover body is connected to the brush holder.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] The rotary brush assembly is rotatably arranged at the front part of the brush holder. The rear side of the brush holder is horizontally hinged to the front side of the brush end connection assembly. When the rotary brush assembly is normally cleaning snow, the vehicle end connection seat plate is connected to the tractor. The height and pitch angle of the brush end connection assembly are controlled by the tractor and the swing adjusting device. The pitch angle of the rotary brush assembly is controlled by the brush end connection assembly through the spring damper. When encountering a ground protrusion, due to the compression amount of the spring damper, the rotary brush assembly can rotate and rise around the hinge axis between the brush holder and the brush end connection assembly, thereby avoiding excessive wear of the snow sweeping brush pieces on the rotary brush assembly at the ground protrusion. When passing over the ground protrusion, under the action of the spring damper, the rotary brush assembly can still moderately contact the ground for snow cleaning. The spring damper is not only an actuating element but also can be used as a reference standard. The driver sits in the tractor and can judge the contact degree between the snow sweeping brush pieces on the rotary brush assembly and the ground according to the spring compression degree of the spring damper. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is an isometric view of the present utility model;

[0019] Figure 2 is an isometric view of another perspective of the present utility model;

[0020] Figure 3 It is an axonometric view of the car-end connection seat plate;

[0021] Figure 4 It is an axonometric view of the car-end connection seat plate from the rear view angle;

[0022] Figure 5 It is a schematic structural diagram of the swing adjustment device;

[0023] Figure 6 It is a connection schematic diagram of the brush-end connection assembly and the brush holder;

[0024] Figure 7 It is an axonometric view of the brush-end connection assembly;

[0025] Figure 8 It is an axonometric view of the brush-end connection assembly from another perspective;

[0026] Figure 9 It is an axonometric view of the brush holder;

[0027] Figure 10 It is an axonometric view of the rotary brush assembly.

[0028] In the figure, 1. car-end connection seat plate, 11. third hinge ear, 12. fourth hinge ear, 13. second oblong hole, 2. swing adjustment device, 21. tripod, 22. swing oil cylinder, 23. front limit pipe, 24. rear limit pipe, 25. limit connecting ear, 26. first oblong hole, 27. hinge flexible joint, 3. spring shock absorber, 4. brush-end connection assembly, 41. seat plate body, 42. fixing plate, 43. first rotating shaft, 44. adjusting plate, 45. horizontal pipe sleeve, 46. first shaft sleeve, 47. caster, 48. connection hole, 49. second rotating shaft, 410. second hinge ear, 411. long arc hole, 5. brush holder, 51. left side plate, 52. right side plate, 53. horizontal shaft, 54. hydraulic motor, 55. first hinge ear, 56. motor mounting seat, 6. cover body, 7. rotary brush assembly, 71. main pipe shaft, 72. support disc, 73. sleeve, 74. shaft head, 75. support square pipe. Detailed implementation manners

[0029] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be described below through specific embodiments shown in the drawings. However, it should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, the descriptions of well-known structures and technologies are omitted to avoid unnecessarily confusing the concepts of the present utility model.

[0030] The connections mentioned in the present utility model are divided into fixed connections and detachable connections. The fixed connections, that is, non-detachable connections, include but are not limited to conventional fixed connection methods such as hemming connection, rivet connection, bonding connection, and welding connection. The detachable connections include but are not limited to conventional disassembly methods such as bolt connection, snap connection, pin connection, and hinge connection. When the specific connection method is not clearly defined, it is defaulted that at least one connection method can be found among the existing connection methods to achieve this function, and those skilled in the art can select it according to their needs. For example: welding connection is selected for the fixed connection, and bolt connection is selected for the detachable connection.

[0031] The following will further elaborate on the present utility model in conjunction with the accompanying drawings. The following embodiments are explanations of the present utility model, and the present utility model is not limited to the following embodiments.

[0032] Embodiment: As Figures 1 to 10 shown, a snow clearing device includes a vehicle-end connection seat plate 1, a brush-end connection assembly 4, a rotary brush assembly 7, and a swing adjustment device 2. The rotary brush assembly 7 is rotatably arranged at the front of a brush holder 5. The rear side of the brush holder 5 is horizontally hinged to the front side of the brush-end connection assembly 4. The upper sides of the brush holder 5 and the brush-end connection assembly 4 are respectively hinged to both ends of a spring shock absorber 3. The vehicle-end connection seat plate 1 and the brush-end connection assembly 4 are connected by the swing adjustment device 2.

[0033] The rotary brush assembly 7 is rotatably arranged at the front of the brush holder 5. The rear side of the brush holder 5 is horizontally hinged to the front side of the brush-end connection assembly 4. When the rotary brush assembly 7 is normally clearing snow, the vehicle-end connection seat plate 1 is connected to a tractor. The height and pitch angle of the brush-end connection assembly 4 are controlled by the tractor and the swing adjustment device 2. The brush-end connection assembly 4 controls the pitch angle of the rotary brush assembly 7 through the spring shock absorber 3. When encountering a ground protrusion, due to the compression amount of the spring shock absorber 3, the rotary brush assembly 7 can rotate and rise around the hinge axis between the brush holder 5 and the brush-end connection assembly 4, thereby avoiding excessive wear of the snow sweeping brush pieces on the rotary brush assembly 7 at the ground protrusion. When passing over the ground protrusion, under the action of the spring shock absorber 3, the rotary brush assembly 7 can still moderately contact the ground for snow clearing. The spring shock absorber 3 is not only an actuator but also can be used as a reference standard. The driver sits in the tractor and can judge the contact degree between the snow sweeping brush pieces on the rotary brush assembly 7 and the ground according to the spring compression degree of the spring shock absorber.

[0034] The swing adjustment device 2 includes a hinged joint 27, a limit support rod assembly, two swing cylinders 22 and two tripod frames 21. Two first rotating shafts 43 are arranged vertically in the middle of the rear end of the brush end connection assembly 4. The two first rotating shafts 43 are coaxially arranged. The two tripod frames 21 are arranged parallel up and down. The rear end of the tripod frame 21 is horizontally hinged to the front end face of the vehicle end connection seat plate 1. The front ends of the two tripod frames 21 are respectively horizontally hinged to the two first rotating shafts 43 in a one-to-one correspondence. The limit support rod assembly includes a front limit pipe 23 and a rear limit pipe 24. Two limit lugs 25 are arranged at the front part of the upper tripod frame 21. A first long circular hole 26 is vertically opened on the limit lug 25. A sliding pin is horizontally arranged at the front end of the front limit pipe 23. The two ends of the sliding pin slide in the two first long circular holes 26 respectively. The rear end of the rear limit pipe 24 is horizontally hinged to the front end face of the vehicle end connection seat plate 1. The rear end of the front limit pipe 23 is in plug-in sliding fit with the front end of the rear limit pipe 24. The limit support rod assembly is arranged obliquely upward from back to front. The two swing cylinders 22 are respectively arranged on the left and right sides of the limit support rod assembly. The two ends of the hinged joint 27 are provided with perpendicular hinge holes. The rear cylinder head of the swing cylinder 22 is hinged to the front end face of the vehicle end connection seat plate 1 through the hinged joint 27. The piston rod of the swing cylinder 22 is hinged to the rear end face of the brush end connection assembly 4 through the hinged joint 27. The two swing cylinders 22 are respectively connected to the hydraulic system of the tractor. By controlling the telescopic movement of the piston rods of the two swing cylinders 22, the rolling brush assembly 7 can be controlled to swing left or right. The two parallel tripod frames 21 and the brush end connection assembly 4 and the vehicle end connection seat plate 1 form a parallelogram structure, which not only utilizes the flexibility of the parallelogram but also utilizes the triangular stability of the tripod frame 21. The friction force of the snow-sweeping rolling brush on the road surface is improved through the perfect cooperation of the moving distance of the triangular support and the spring shock absorber 3.

[0035] The brush end connection assembly 4 includes a seat plate body 41, a fixing plate 42 and an adjusting plate 44. The seat plate body 41 is horizontally arranged. The middle of the rear end of the seat plate body 41 is connected to the front end face of the fixing plate 42. A number of long circular arc holes 411 are provided on the fixing plate 42. The number of long circular arc holes 411 are concentric. A number of connection holes 48 are provided on the adjusting plate 44. The number of connection holes 48 and the number of long circular arc holes 411 are connected by bolts in a one-to-one correspondence. The first rotating shaft 43 is rotatably arranged on the adjusting plate 44. The cooperation of the number of connection holes 48 and the number of long circular arc holes 411 has an adjustable function, which is convenient for assembling and adjusting the rolling brush assembly 7.

[0036] First shaft sleeves 46 are respectively arranged on the left and right sides of the rear end of the seat plate body 41. Two second rotating shafts 49 are in rotational cooperation with the two first shaft sleeves 46 through bearings in a one-to-one correspondence. The lower end of the second rotating shaft 49 is connected to the wheel frame of the caster 47.

[0037] The brush holder 5 includes a left side plate 51 and a right side plate 52. Motor mounting seats 56 are respectively provided at the front parts of the left side plate 51 and the right side plate 52. Two hydraulic motors 54 are fixedly mounted on the two motor mounting seats 56 in a one-to-one correspondence. The output shafts of the two hydraulic motors 54 are coaxial and face each other. Both ends of the rolling brush assembly 7 are respectively connected to the output shafts of the two hydraulic motors 54. The rear parts of the left side plate 51 and the right side plate 52 are connected by a horizontal shaft 53. A horizontal pipe sleeve 45 is provided at the front end of the seat plate body 41. The horizontal shaft 53 is hinged to the horizontal pipe sleeve 45.

[0038] The rolling brush assembly 7 includes a main pipe shaft 71, shaft heads 74, sleeves 73, and a number of support square pipes 75. Shaft heads 74 are respectively provided at both ends of the main pipe shaft 71. Spline holes adapted to the motor output shafts are machined on the outer end faces of the shaft heads 74. Two sleeves 73 are respectively sleeved on the outer peripheries of the two shaft heads 74. The outer peripheries of the two sleeves 73 are connected by a number of support square pipes 75. The support square pipes 75 are arranged parallel to the main pipe shaft 71. A number of support discs 72 are spaced and sleeved on the main pipe shaft 71. The outer diameters of the support discs 72 are the same as the outer diameters of the sleeves 73. The outer peripheries of the support discs 72 are respectively connected to the number of support square pipes 75. A number of snow sweeping brush pieces are arranged and sleeved on the number of support square pipes 75. The pins on the inner circumferences of the snow sweeping brush pieces are clamped on any one of the support square pipes 75.

[0039] A first hinge ear 55 is provided on the upper side of the middle part of the horizontal shaft 53. A second hinge ear 410 is provided on the upper side of the adjusting plate 44. One end of the spring damper 3 is horizontally hinged to the second hinge ear 410, and the other end of the spring damper 3 is horizontally hinged to the first hinge ear 55.

[0040] On the upper part of the rear end face of the vehicle end connecting seat plate 1, a third hinge ear 11 is provided, and on the lower left and right sides respectively, fourth hinge ears 12 are provided. After the bucket of the forklift is removed, the tilting rod of the forklift is horizontally hinged to the third hinge ear 11, and the two fixed arms of the forklift are respectively horizontally hinged to the two corresponding fourth hinge ears 12. Thus, the vehicle end connecting seat plate 1 can be driven by the forklift to lift and pitch and swing, and further the rolling brush assembly 7 can be driven to lift and pitch and swing.

[0041] In order to make the present utility model applicable to more models of forklifts, two groups of second long circular holes 13 are respectively opened on the lower left and right sides of the vehicle end connecting seat plate 1. The second long circular holes 13 are horizontally arranged. Bolts pass through the fourth hinge ears 12 and cooperate with the corresponding second long circular holes 13 so that the fifth hinge ear can horizontally adjust its position.

[0042] A cover body 6 is provided above the rolling brush assembly 7. The cover body 6 is connected to the brush holder 5.

[0043] The above embodiments are only illustrative descriptions of the present utility model and do not limit its protection scope. Those skilled in the art can also make partial changes to it, as long as they do not exceed the spiritual essence of the present utility model, they are within the protection scope of the present utility model.

Claims

1. A snow clearing device, characterized in that: The invention comprises a vehicle-end connecting seat plate (1), a brush-end connecting assembly (4), a roller brush assembly (7) and a swing adjusting device (2); the roller brush assembly (7) is rotatably arranged at the front of a brush holder (5); the rear side of the brush holder (5) is horizontally hinged to the front side of the brush-end connecting assembly (4); the upper side of the brush holder (5) and the upper side of the brush-end connecting assembly (4) are respectively hinged to the two ends of a spring shock absorber (3); and the vehicle-end connecting seat plate (1) and the brush-end connecting assembly (4) are connected via the swing adjusting device (2).

2. A snow clearing device according to claim 1, characterized in that: The swing adjustment device (2) comprises an articulated joint (27), a limit support rod assembly, two swing oil cylinders (22) and two tripods (21). Two first rotating shafts (43) are arranged in the middle of the rear end of the brush end connection assembly (4) from top to bottom. The two first rotating shafts (43) are arranged coaxially. The two tripods (21) are arranged parallel to each other from top to bottom. The rear end of the tripod (21) is horizontally hinged to the front end surface of the vehicle end connection seat plate (1). The front ends of the two tripods (21) are horizontally hinged to the two first rotating shafts (43) in a one-to-one correspondence. The limit support rod assembly comprises a front limit tube (23) and a rear limit tube (24). Two limit ears (25) are arranged at the front of the upper end of the tripod (21). The limit ears (25) are vertically provided with first oblong holes (26). A sliding pin is horizontally arranged at the front end of the front limit tube (23), and the two ends of the sliding pin slide in the two first oblong holes (26) respectively. The rear end of the rear limit tube (24) is horizontally hinged to the front end surface of the vehicle end connecting seat plate (1). The rear end of the front limit tube (23) is plugged and slidably matched with the front end of the rear limit tube (24). The limit support rod assembly is tilted upward from back to front. Two swing cylinders (22) are respectively arranged on the left and right sides of the limit support rod assembly. The two ends of the hinged joint (27) are provided with vertical hinge holes. The rear cylinder cover of the swing cylinder (22) is hinged to the front end surface of the vehicle end connecting seat plate (1) through the hinged joint (27), and the piston rod of the swing cylinder (22) is hinged to the rear end surface of the brush end connecting assembly (4) through the hinged joint (27).

3. A snow clearing device according to claim 2, characterized in that: The brush end connection assembly (4) comprises a seat plate body (41), a fixed plate (42) and an adjustment plate (44); the seat plate body (41) is arranged horizontally; the middle part of the rear end of the seat plate body (41) is connected to the front end surface of the fixed plate (42); the fixed plate (42) is provided with a plurality of long arc holes (411); the plurality of long arc holes (411) are concentric; the adjustment plate (44) is provided with a plurality of connection holes (48); the plurality of connection holes (48) are connected to the plurality of long arc holes (411) in a one-to-one correspondence via bolts; and a first rotating shaft (43) is rotatably arranged on the adjustment plate (44).

4. A snow clearing device according to claim 3, characterized in that: The rear end of the seat plate body (41) is provided with first shaft sleeves (46) on both sides, and the two second shafts (49) are rotatably matched with the two first shaft sleeves (46) in a one-to-one correspondence. The lower end of the second shaft (49) is connected to the wheel frame of the caster (47).

5. A snow clearing device according to claim 4, characterized in that: The brush rack (5) comprises a left side plate (51) and a right side plate (52). The front part of the left side plate (51) and the front part of the right side plate (52) are respectively provided with motor mounting seats (56). Two hydraulic motors (54) are fixed on the two motor mounting seats (56) in a one-to-one correspondence. The output shafts of the two hydraulic motors (54) are coaxially opposed. The two ends of the roller brush assembly (7) are respectively connected to the output shafts of the two hydraulic motors (54). The rear part of the left side plate (51) and the rear part of the right side plate (52) are connected via a horizontal shaft (53). The front end of the seat plate body (41) is provided with a horizontal pipe sleeve (45). The horizontal shaft (53) is hinged to the horizontal pipe sleeve (45).

6. A snow clearing device according to claim 5, characterized in that: The roller brush assembly (7) comprises a main shaft (71), a shaft head (74), a sleeve (73), and a plurality of supporting square tubes (75). The two ends of the main shaft (71) are respectively provided with shaft heads (74). The outer end surface of the shaft head (74) is processed with a spline hole adapted to the motor output shaft. The two sleeves (73) are sleeved on the outer peripheries of the two shaft heads (74) in a one-to-one correspondence. The outer peripheries of the two sleeves (73) are connected through a plurality of supporting square tubes (75). The supporting square tubes (75) are arranged parallel to the main shaft (71). A plurality of supporting plates (72) are sleeved on the main shaft (71) at intervals. The outer diameter of the supporting plates (72) is the same as the outer diameter of the sleeve (73). The outer peripheries of the supporting plates (72) are respectively connected to the plurality of supporting square tubes (75). A plurality of snow-sweeping brush blades are arranged and sleeved on the plurality of supporting square tubes (75). The bayonet pins on the inner peripheries of the snow-sweeping brush blades are clamped on any of the supporting square tubes (75).

7. A snow clearing device according to claim 5, characterized in that: A first hinged ear (55) is provided on the upper middle side of the horizontal shaft (53), a second hinged ear (410) is provided on the upper side of the adjustment plate (44), one end of the spring damper (3) is horizontally hinged to the second hinged ear (410), and the other end of the spring damper (3) is horizontally hinged to the first hinged ear (55).

8. A snow clearing device according to claim 1, characterized in that: A third hinged ear (11) is provided on the upper portion of the rear end surface of the vehicle end connecting seat plate (1), and fourth hinged ears (12) are respectively provided on the left and right sides of the lower portion.

9. A snow clearing device according to claim 8, characterized in that: Two groups of second oblong holes (13) are respectively provided on both sides of the lower part of the vehicle end connecting seat plate (1), the second oblong holes (13) are arranged horizontally, and the bolts pass through the fourth hinge ears (12) and cooperate with the corresponding second oblong holes (13).

10. A snow clearing device according to any one of claims 1 to 9, characterized in that: The upper cover of the roller brush assembly (7) is provided with a cover body (6), and the cover body (6) is connected to the brush frame (5).

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