CN215405844U

CN215405844U - Snow rolling device and snow sweeper

Info

Publication number: CN215405844U
Application number: CN202121306043.4U
Authority: CN
Inventors: 袁红德
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2021-04-06
Filing date: 2021-06-10
Publication date: 2022-01-04
Anticipated expiration: 2031-06-10
Also published as: CN215165162U; CN215948050U; CN113338213A; CN215714957U; CN113338213B; CN215052592U; CN113322878A; CN113322880A; CN215441711U; CN113322877A; CN113322879A; CN215482673U; CN215052591U; CN113322878B; CN215052590U; CN215405842U; CN215405843U; CN215405845U; CN113338212A

Abstract

The utility model provides a snow rolling device and a snow sweeper. The snow rolling device includes: a housing having a snow rolling chamber; a worm gear shaft connected with the housing; the snow rolling knife is positioned in the snow rolling cavity and connected to the worm wheel shaft; the worm wheel is sleeved on the worm wheel shaft; a worm engaged with the worm wheel; the worm gear box body is provided with a first through hole and a second through hole, the worm gear shaft is located in the first through hole, the worm is located in the second through hole, and the worm gear and the worm are meshed in the worm gear box body. The snow rolling device provided by the utility model has the advantages of simple structure, lightness, convenience, high strength, capability of quickly removing accumulated snow on the ground and high snow removing efficiency.

Description

Snow rolling device and snow sweeper

Technical Field

The utility model belongs to the field of snow removing mechanical equipment, and particularly relates to a snow rolling device and a snow sweeper.

Background

The snow sweeper can sweep snow on roads in winter, can extensively be applicable to gardens, the operation of removing obstacles in the highway, however present snowsweeper ubiquitous structure is complicated, loaded down with trivial details, heavy, the snow sweeping inefficiency, and the snow sweeping in-process lacks the snow shovel, roll snow, the assembly line of snow throwing removes snow fast, in addition, even there are some snow devices that roll on the market now, generally adopt two halves amalgamation formula worm gear drive structure, the leakproofness is low, when using liquid oil, not only lead to appearing the oil leak when assembling and dismantling, and also can produce a large amount of oil leaks phenomena when rolling snow arbor or bearing wearing and tearing, lead to unable the use. Meanwhile, the existing snow rolling device is heavy in size, and is easy to drop and deform due to self weight and difficulty in bearing larger accumulated snow pressure, the snow removing effect in the snow sweeping process after the snow rolling device deforms is affected, and even the snow rolling device is separated from the snow sweeping machine body. Therefore, it is important to provide a new snow rolling device.

SUMMERY OF THE UTILITY MODEL

In view of various defects in the prior art, the utility model aims to provide a snow rolling device which is simple in structure, light, convenient, simple and safe in driving mode, capable of effectively ensuring safe operation, capable of quickly shoveling accumulated snow on the ground and high in snow removing efficiency.

To achieve the above object, the present invention provides a snow rolling device comprising: a housing having a snow rolling chamber; a worm gear shaft connected with the housing; the snow rolling knife is positioned in the snow rolling cavity and connected to the worm wheel shaft; the worm wheel is sleeved on the worm wheel shaft; a worm engaged with the worm wheel; the worm gear box body is provided with a first through hole and a second through hole, the worm gear shaft is located in the first through hole, the worm is located in the second through hole, and the worm gear and the worm are meshed in the worm gear box body.

In an embodiment of the present invention, the first through hole is connected to a first sealing end cover to seal the worm gear case.

In an embodiment of the utility model, a second sealing end cover is connected to the second through hole to seal the worm gear box body.

In an embodiment of the present invention, the second end cap has a raised edge structure.

In an embodiment of the present invention, two ends of the worm wheel protrude outwards and extend to the first end cap closing the first through hole.

In an embodiment of the present invention, the housing includes:

an arc-shaped plate;

the first side plate is connected to the arc-shaped plate;

the second side plate is connected to the arc-shaped plate and is arranged opposite to the first side plate;

the snow rolling cavity with one open end is formed by the first side plate and the second side plate in a surrounding mode, and a rotating shaft opening penetrating and connected with the worm is formed in the arc-shaped plate.

In an embodiment of the utility model, the snow rolling blade comprises a plurality of arc-shaped blades, and the arc-shaped blades are fixedly connected to the worm wheel shaft.

In an embodiment of the present invention, a gap distance between the plurality of arc-shaped blades is 2 to 50 mm.

In an embodiment of the present invention, the surface of the arc-shaped blade is provided with saw teeth.

In one embodiment of the utility model, a gap of 2-10 mm is formed between the snow rolling blade and the shell, and a gap of 5-30 mm is formed between the snow rolling blade and the ground.

In an embodiment of the utility model, the distance between the worm wheel shaft and the ground is 30-70 mm.

In an embodiment of the utility model, the snow rolling device further comprises a ground foot, and the ground foot comprises a first supporting surface and a second supporting surface which are arranged oppositely.

In an embodiment of the utility model, the first through hole includes a first port and a second port, and a radius of the first port is larger than a radius of the second port.

The utility model also provides a snow sweeper comprising a snow rolling device as described above and in detail below.

As described above, according to the snow rolling device and the snow sweeper provided by the utility model, the snow rolling device can quickly and stably scoop up the accumulated snow on the ground by utilizing the mutual matching of the shell, the snow shoveling knife and the snow rolling knife under the transmission of the power device of the worm gear and the worm, and further throw out the accumulated snow through the snow sweeper body. The snow rolling device provided by the utility model can reduce the weight of the whole machine, is small in loss, light, convenient, high in strength and higher in efficiency, can quickly shovel snow on the ground, and is high in snow removing efficiency.

Drawings

Fig. 1 is a schematic view showing the overall structure of the snow sweeper provided by the utility model.

Figure 2 shows an exploded view of the snow plow of figure 1.

Fig. 3 shows a schematic structural diagram of the worm and gear power device provided by the utility model.

Fig. 4 shows a schematic view of the worm gear power device in fig. 3 at an angle.

Fig. 5 is a schematic view of the worm gear power device in fig. 3 at another angle.

Fig. 6 shows a structure of a worm wheel provided for the present invention.

Fig. 7 shows a structure of a worm gear case provided in the present invention.

Fig. 8 shows a structure of a worm gear housing at a second opening angle.

Fig. 9 shows a structure view of a worm gear housing at a first opening angle.

Figure 10 shows a worm gear housing configuration with a second end seal.

Figure 11 shows a worm gear shaft mounting assembly configuration.

Figure 12 shows a cross-sectional view of the assembly within the worm gear case.

Fig. 13 shows a schematic view of the snow rolling device provided by the present invention at an angle.

Fig. 14 shows a schematic structural view of the snow rolling blade provided by the present invention.

Fig. 15 shows a schematic view of the structure of the ground feet in the snow rolling device.

Fig. 16 shows a schematic structure of the snow throwing device.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 2, the utility model provides a snow sweeper, which integrates a snow rolling device, so that accumulated snow can be thrown out of the snow sweeper based on the snow rolling device, particularly can be thrown out remotely, a road surface can keep a clean state without accumulated snow, the road passing range is wide, and the snow sweeper can be widely applied to garden and road obstacle clearing operation. In a specific embodiment of the present disclosure, the snow sweeper comprises a housing 80, a snow rolling device 10, a snow throwing device 20, a power device 30, an energy supply device 40, a traveling device 50, a control device 60 and a snow outlet direction adjusting device 70.

As shown in fig. 3 to 6, these devices are connected to the housing 80, the power device 30 is connected to the energy supply device 40, so that the energy supply device 40 supplies energy to the power device 30, the snow rolling blade of the snow rolling device 10 is drivingly connected to the power device 30, and scoops up snow on the road surface under the driving of the power device 30, and enters the snow throwing cavity of the snow throwing device 20, and is thrown out. In an embodiment of the utility model, the power device 30 includes a first motor 300, a worm 302, and a worm shaft 304, a worm wheel 303 is connected to the worm shaft 304, and a worm wheel box 301 is sleeved at a connection position of the worm wheel 303 and the worm 302.

As shown in fig. 4 to 10, the worm gear case 301 is an integrally formed housing, and has a second through hole 301a and a first through hole 301b opened on an end surface thereof, and the second through hole 301a and the first through hole 301b are communicated with each other, and preferably, the second through hole 301a and the first through hole 301b are perpendicular to each other in this embodiment. Both ends of the first through-hole 301b are sealed with first sealing caps 305, and the second through-hole 301a is sealed with second sealing caps 306. One end of the worm 302 is connected to a first motor 300 in the power device 30, for example, and the other end has spiral teeth 302a, and is sleeved in the second through hole 301a, the worm wheel 303 is sleeved in the first through hole 301b and meshed with the spiral teeth 302a of the worm 302, to form worm gear transmission, the worm wheel 303 is connected with the worm wheel shaft 304 to drive the worm wheel shaft 304 to move, in this embodiment, the worm gear 303 is sleeved on the worm gear shaft 304, and the worm gear 303 is preferably connected with the worm gear shaft 304 through a key, the worm gear shaft 304 penetrates through the worm gear 303, which and said worm 302 are arranged along the X-axis (transversal) and the Y-axis (longitudinal) of the horizontal plane respectively, namely, the worm 302 and the worm wheel 303 are vertically arranged, and the worm wheel shaft 304 rotates along with the rotation of the worm 302 through worm and gear transmission, so as to drive the snow rolling blade 101 arranged on the worm wheel shaft 304 to roll and shovel snow. It should be noted that, the two ends of the worm wheel 303 have longer extending portions, and the extending portions extend to the first sealing end cover 305 that closes the first through hole 302b to seal the worm wheel box 301, so that the oil leakage does not occur when the liquid lubricating oil is added into the cavity between the worm wheel 303 and the worm wheel box. Further, the second sealing end cap 306 at the second through hole 301b has a raised edge structure 3061, so that an operator can pry the whole second sealing end cap 306 through the raised edge structure, and then detach the whole worm and gear structure for maintenance and replacement. When the worm gear is disassembled, the second sealing end cover 306 is opened, the elastic clamp spring (not shown) is arranged in the second sealing end cover 306, the bearing and the like can be moved after the elastic clamp spring is taken away, so that the worm gear is not meshed any more, and then the whole structure can be disassembled.

As shown in fig. 5 to 7, the worm wheel 303 of the present invention includes a worm wheel main body 3030 in the middle, and extension portions at both ends of the worm wheel main body 3030, and the extension portions at both ends of the worm wheel main body 3030 include a first extension portion 3031 and a second extension portion 3032. The worm wheel main body 3030 and the first extension portion 3031 and the second extension portion 3032 at the two ends of the worm wheel main body 3030 form a complete hollow cavity 3033, and the worm wheel shaft 304 penetrates through the hollow cavity 3033 of the worm wheel. The worm wheel body 3031 is provided with gear teeth which mesh with the helical teeth 302 a. When the worm wheel shaft 304 is connected to the worm wheel 303 and is installed inside the first through hole 301b, the first extension portion 3031 extends to the first sealing end cap 305 closing the first through hole 302 b.

As shown in fig. 5 to 7 and 11 to 12, the worm wheel shaft 304 is supported by a bearing 3035, the bearing 3035 is located in the worm gear housing 301, and the bearing 3035 is fixedly connected to the first sealing end cover 305. The first end seal cover 305 is provided with a through hole for allowing the worm wheel shaft 304 to pass through, and the first extension portion 3031 extends into the through hole with a small clearance from the inner wall of the through hole, so that the first extension portion 3031 is prevented from abrading the first end seal cover 305. A seal 3034 is disposed between the first seal cover 305 and the bearing 3035 of the worm gear shaft 304, and the seal 3034 is engaged with the first extension portion 3031. And the inner side of the sealing member 3034 is completely attached to the worm gear shaft 304, and the outer side of the sealing member 3034 is completely attached to the first sealing end cover 305, so that the gap between the bearing 3035 of the worm gear shaft 304 and the first sealing end cover 305 is isolated. Therefore, when liquid oil is used for the bearing 3035 of the worm wheel shaft 304, the oil leakage phenomenon does not occur.

As shown in fig. 4 to 9, in the worm gear case 301 according to the present invention, the worm gear 303 passes through the first through hole 301b of the worm gear case 301 and meshes with the spiral teeth 302a of the worm 302. In the present embodiment, the first through hole 301b includes a first port 311 and a second port 312, the radius of the second port 312 is adapted to the radius of the worm gear shaft 304, and preferably, the radius of the second port 312 is slightly larger than the radius of the worm gear shaft 304 to allow the worm gear shaft 304 to pass through. The radius of the first port 311 is larger than that of the second port 312, and it is easy to install the worm wheel 303. And the radius of the first through-hole 301b is the same as the radius of the first port 311 at the position where the first through-hole 301b communicates with the second through-hole 301 a. Such different radii of the first port 311 and the second port 312 facilitate assembly and positioning. When the worm gear 302 is installed, one end of the worm 302 with the spiral teeth 302a extends into the worm gear box 301, the worm gear shaft 304 with the worm gear 303 extends into the worm gear box 301, the worm 302 is arranged at a position where the first through hole 301b is communicated with the second through hole 301a, the worm gear shaft 304 can easily penetrate through the first through hole 301b with the larger radius at the communication position, and the worm gear 303 is conveniently meshed with the spiral teeth 302 a. After the worm gear shaft 304 passes through the position where the first through hole 301b is communicated with the second through hole 301a, the first port 311 with a smaller radius facilitates positioning of the worm gear shaft 304, so that the worm gear shaft 304 is more convenient to mount.

As shown in fig. 1, 13 to 16, in the snow sweeper, the snow rolling device 10 includes a housing 100, a snow rolling blade 101, and a snow shoveling blade 102. The housing 100 is arranged at one end of a working surface of the snow sweeper 1, the housing 100 comprises an arc-shaped plate 100c and a first side plate 100a and a second side plate 100b which are arranged oppositely, the first side plate 100a and the second side plate 100b are respectively connected with the end part of the arc-shaped plate 100c so as to form a snow rolling cavity with one open end by enclosing with the arc-shaped plate 100c, furthermore, the snow rolling cavity is communicated with a snow throwing cavity of the snow thrower 20, the worm gear shaft 304 is transversely erected in the snow rolling cavity of the snow rolling device 10, for example, between the first side plate 100a and the second side plate 100b, the distance between the worm gear shaft 304 and the ground is 30-70 mm, the worm gear 302 passes through the snow rolling cavity of the snow thrower 10 and the snow throwing cavity of the snow thrower 20, the worm gear 302 is connected with the power device 30, for example, the first motor 300 through a belt, a chain and the like, so that the first motor 300 rotates to drive the worm gear 302, Worm gear shaft 304 rotates. The radian of arc 100c can be at 60 ~ 80 degrees, for example 60 degrees to the snow chamber that rolls that forms has the arc chamber of ideal, when rolling snow sword 101 and rotating along with power device 30, can keep snow steadily to enter into the snow throwing intracavity and be unlikely to break away from and drop along with rolling the rotation of snow sword 101, furtherly, roll the snow chamber with snow throwing chamber intercommunication of snow throwing device 20 to can get into the snow throwing chamber through rolling the snow chamber with the snow of collecting, and then throw out this snow to the snowplow machine outward through snow throwing device 20.

As shown in fig. 1, 13 and 14, the snow scraper 101 includes a plurality of arc-shaped blades, for example, 4 to 8, for example, 4. And the diameter of the arc-shaped blade ranges from 250 mm to 320mm, preferably 274 mm. The rotation speed of the snow rolling blade ranges from 100 to 150rmp, for example, and is preferably 120 rmp. The range of one side of the snow blade 101 is, for example, 250-300mm, preferably 271 mm. The arc-shaped blades are connected to a worm wheel shaft 304 of the power device 30 to rotate along with the rotation of the worm wheel shaft 304, and further, the snow rolling device 10 further includes a plurality of snow rolling blade support plates 103 and a plurality of snow rolling blade center pipes 104, the snow rolling blade center pipes 104 are fixed to the worm wheel shaft 304 and wrap the worm wheel shaft 304 to protect the worm wheel shaft 304, and the number of the snow rolling blade center pipes 104 is, for example, 2, and the snow rolling blade center pipes are respectively located on two sides of the connection position of the worm wheel shaft 304 and the worm 302. The middle point of the snow rolling knife supporting plate 103 is fixed on the worm wheel shaft 304 and the snow rolling knife central tube 104 wrapping the worm wheel shaft 304, two ends of the snow rolling knife supporting plate 103 are fixed with the arc-shaped blades of the snow rolling knives 101, the number of the snow rolling knife 101 supporting plates is 4, for example, the arc-shaped blades of every two snow rolling knives 101 are fixed on the worm wheel shaft 304 in a crossed mode, and two ends of the arc-shaped blades of the two snow rolling knives 101 are fixed through the snow rolling knife supporting plates 103. The snow rolling blade 101 is arranged in a manner that gaps are reserved between arc-shaped blades of the snow rolling blade 101, so that the snow rolling blade 101 forms a spiral structure, the spiral angle of the spiral structure is 10-80 degrees, such as 30 degrees, the gap distance between the arc-shaped blades is 2-50 mm, such as 20mm, a gap of 2-10 mm is reserved between the arc-shaped blades and the shell 100, and gaps of 5-30 mm are reserved between the free end portions of the arc-shaped blades and the ground, so that a high-speed rotating space can be formed when the arc-shaped blades rotate, abrasion cannot occur between the arc-shaped blades, further, in order to further enhance the strength of the blades, arc-shaped grooves 101a matched with the arc-shaped blades are further formed in the arc-shaped blades, and the depth of the arc-shaped grooves 101a is 2-5 mm, such as 2 mm. Based on the view point of quickly removing and shoveling accumulated snow, one end surface of each arc-shaped blade is provided with sawteeth. As shown in fig. 4, a snow shoveling blade 102 is disposed on the housing 100, specifically, the snow shoveling blade 102 is disposed at the lower edge of the arc-shaped plate 100c of the housing 100 and contacts the ground, the snow shoveling blade 102 has a blade portion that becomes thinner toward the edge to shovel snow on the ground into the snow rolling cavity, and the snow shoveling blade 102 is, for example, a metal blade, to reduce loss and quickly shovel snow on the ground.

Further, as shown in fig. 13, a plurality of illuminating lamps 105 are further disposed on the housing 100, the illuminating lamps 105 are mounted on the top of the arc surface 100c of the housing 100 and located above the snow rolling blade 101, and the illuminating lamps 105 are electrically connected to the energy supply device 40. The illumination lamp 105 is used to remove snow in a dark environment.

As shown in fig. 13 and 15, the snow rolling device 10 further includes ground feet 106, and the ground feet 106 are connected to the housing 100, for example, in 2 sets, and are respectively connected to the first side plate 100a and the second side plate 100b to support the snow rolling device 10. The ground feet 106 include a first support surface 106a and a second support surface 106b that are disposed opposite to each other so that when the first support surface 106a is worn, the ground feet 106 can be rotated to contact the second support surface 106b with the ground to support the snow rolling device 10.

Referring to fig. 1, 4 and 5, the snow throwing device 20 includes a snow throwing blade 201, a snow throwing cylinder 200 and a snow outlet cylinder base 202. The snow throwing cylinder 200 is positioned on one side far away from the working surface of the snow rolling blade 101, the side wall of the snow throwing cylinder 200 is provided with an opening, the bottom wall of the snow throwing cylinder 200 is provided with a through hole, the through hole is positioned in the center of the bottom wall and allows the worm 302 to pass through and rotate in the through hole, meanwhile, the periphery of the through hole forms a concave area, so that the strength of the snow throwing cylinder 200 can be enhanced, the side wall of the snow throwing cylinder 200 is perpendicular to the bottom wall, when the snow throwing cylinder 200 is installed, the side wall of the snow throwing cylinder 200 is connected with the shell 100 to form a snow throwing cavity, and the other side of the snow throwing cylinder 200 is connected with the shell 80. The snow throwing cavity formed by the snow throwing cylinder 200 is connected with the snow rolling cavity, and the accumulated snow collected by the snow rolling knife 101 is squeezed into the snow throwing cavity by the snow rolling knife 101. Specifically, in an embodiment of the present invention, the snow throwing cylinder 200 may be integrally formed with the housing 100, and one side of the snow throwing cylinder 200 is seamlessly connected with the arc surface 100 c; the side wall of the snow throwing cylinder 200 is provided with an opening, and the opening is arranged on one side of the side wall of the snow throwing cylinder 200 and is used for connecting the snow outlet cylinder base 202.

Referring to fig. 3 and 5, in an embodiment of the utility model, the bottom wall of the snow throwing cylinder 200 is circular, the worm 302 penetrates through a through hole in the center of the bottom wall of the snow throwing cylinder 200, and the snow throwing blade 201 is fixed in the snow throwing cylinder 200 through the worm 302. In the present embodiment, the worm 302 is disposed perpendicular to the worm wheel shaft 304 and parallel to the horizontal plane, but in other embodiments of the present disclosure, the worm 302 and the worm wheel shaft 304 may form a certain angle, for example, 1 to 4 °, and the worm 302 and the worm wheel shaft 304 may also form a certain angle with the horizontal plane. One end of the worm 302 is in transmission connection with a worm wheel shaft 304, and the other end extends along the horizontal direction, penetrates from one side of the snow throwing cylinder 200 connected with the shell 100 to the other side, and is connected with the output end of the first motor 300 through a belt or a chain. When the worm 302 rotates, the snow thrower 201 rotates therewith, and the snow outlet barrel base 202 preferably lies on the outer tangent of the blade rotation profile of the snow thrower 201. In the present embodiment, the rotation speed of the snow thrower 201 is, for example, 500rpm to 1500 rpm.

As shown in fig. 5, since the bottom wall of the snow throwing cylinder 200 is circular, the side wall of the snow throwing cylinder 200 is cylindrical, the cylinder height of the cylindrical structure is 5-50 cm, for example, 20cm, thereby ensuring the depth of the snow throwing cavity, further, the diameter of the cylindrical structure is 20-70 cm, for example, 40cm or 50cm, within the above ranges of height and diameter, the snow collecting capacity of the snow throwing cavity for collecting snow is effectively ensured.

As shown in fig. 1 to 2, the running device 50 may be, for example, a wheel hub motor and a tire connected to the wheel hub motor to drive the snow sweeper to self-run and steer, the control device 60 includes a plurality of operation control elements to control the operation of the snow sweeper, such as forward, backward, steer and the like, of course, the control device 60 further stores a control program for snow sweeping of the snow sweeper so as to control the snow sweeper to perform snow sweeping and rolling operations in a predetermined program, the snow outlet direction adjusting device 70 is connected to the snow outlet barrel base 202 of the snow sweeper 20, and adjusts the steering of the snow outlet barrel through a rocker, a gear and the like, and the operator manually adjusts the rocker to achieve the snow direction, which is not particularly limited. These can be designed and selected according to actual needs with reference to existing structures and products.

As shown in fig. 1, 13 to 16, when snow sweeping and rolling operations are performed, the snow sweeper is started to scoop up snow on the ground through a snow-scooping blade 102 and a snow-rolling blade 101 of the snow sweeper, the snow-rolling blade 101 rotates along with the power unit 30, the snow enters a snow throwing cavity of the snow throwing device 20 through the snow rolling cavity, and the snow is thrown out of the snow sweeper through the snow throwing operations of the snow throwing device 20, thereby completing the snow sweeping and rolling operations.

As described above, according to the snow rolling device and the snow sweeper provided by the utility model, the snow rolling cutter and the snow throwing cutter can be driven to rotate simultaneously through the worm gear and worm transmission and the power device, and the integrally formed worm gear box body is arranged at the joint of the worm gear and the worm, so that the joint of the worm gear and the worm is sealed, and the oil leakage phenomenon cannot occur when liquid oil is used. The snow rolling device further utilizes the mutual matching of the shell, the snow shoveling knife, the snow rolling knife and the ground feet, snow on the ground can be quickly and stably shoveled, and the snow can be further thrown out through the snow sweeper body. The snow rolling device provided by the utility model can reduce the weight of the whole machine, is small in loss, light, convenient, high in strength and higher in efficiency, can quickly shovel snow on the ground, and is high in snow removing efficiency.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A snow rolling apparatus, comprising:

a housing having a snow rolling chamber;

a worm gear shaft connected with the housing;

the snow rolling knife is positioned in the snow rolling cavity and connected to the worm wheel shaft;

the worm wheel is sleeved on the worm wheel shaft;

a worm engaged with the worm wheel;

the worm gear box body is provided with a first through hole and a second through hole, the worm gear shaft is located in the first through hole, the worm is located in the second through hole, and the worm gear and the worm are meshed in the worm gear box body.

2. A snow rolling apparatus according to claim 1, wherein a first sealing end cap is attached to the first through hole to seal the worm gear housing.

3. The snow rolling device of claim 1, wherein a second sealing end cap is connected to the second through hole to seal the worm gear housing.

4. A snow rolling apparatus according to claim 3, wherein the second end cap has a raised edge configuration.

5. A snow rolling apparatus according to claim 2, wherein both ends of the worm wheel protrude outward and extend to the first end cap closing the first through hole.

6. A snow rolling apparatus as claimed in claim 1, wherein the housing comprises:

an arc-shaped plate;

the first side plate is connected to the arc-shaped plate;

7. The snow rolling device of claim 1, wherein the snow rolling blade comprises a plurality of arcuate blades fixedly attached to the worm gear shaft.

8. The snow rolling apparatus of claim 7, wherein a gap distance between the plurality of arc-shaped blades is 2-50 mm.

9. The snow rolling apparatus of claim 7, wherein the arcuate blade surfaces are serrated.

10. A snow rolling apparatus according to claim 1, wherein the snow rolling blade has a clearance of 2 to 10mm from the housing and a clearance of 5 to 30mm from the ground.

11. A snow rolling apparatus according to claim 10 wherein the worm gear shaft is spaced from the ground by a distance of 30 to 70 mm.

12. The snow rolling apparatus of claim 1, further comprising a ground foot including first and second oppositely disposed support surfaces.

13. The snow rolling apparatus of claim 1, wherein the first through bore comprises a first port and a second port, and wherein a radius of the first port is greater than a radius of the second port.

14. A snow sweeper characterized in that it comprises the snow rolling device of claim 1.