CN115262463A - Snow rolling cutter assembly and snow sweeper - Google Patents

Abstract

The invention belongs to the field of snow plows, and particularly relates to a snow rolling cutter assembly and a snow plowing machine, which comprise: a support shaft; the snow throwing paddle is arranged in the middle of the supporting shaft and is assembled to be capable of synchronously rotating with the supporting shaft; the left snow scraper component and the right snow scraper component are respectively arranged on two sides of the snow throwing paddle and are mutually symmetrical about a plane vertical to the axis of the supporting shaft; the left snow scraper component comprises a snow scraper which spirally winds around the supporting shaft along the axial direction of the supporting shaft; the snow scraper is formed by splicing at least two sections of split type spiral sheets, and one end of each section of the spiral sheet, which is far away from the snow throwing paddle, is provided with a connecting part; the connecting part is connected with the supporting shaft; wherein one of the flights closest to the snow throwing paddle is connected to the snow throwing paddle. The structural strength of the snowrolling cutter assembly is improved.

Description

Snow rolling cutter assembly and snow sweeper

Technical Field

The invention belongs to the field of snow plows, and particularly relates to a snow rolling cutter assembly and a snow plowing machine.

Background

When the snow sweeper works, accumulated snow on a road surface is gathered by a snow scraper, and then the gathered accumulated snow is thrown to an area far away from the road surface by a snow throwing paddle. Snow sweeper in the prior art mainly has the following defects: 1. some snow rolling cutter materials in the current market are mostly assembled and trivial, and snow throwing is not gathered and is not concentrated; 2. the snow rolling knife is easy to bend and deform when snow throwing and stressing, so that the snow throwing effect is poor; 3. the snow throwing cutter is used for twisting snow and the snow throwing part is made of rubber, so that the rubber is easy to deform when the snow throwing is stressed, and the snow throwing efficiency is low; 4. the area proportion of the snow throwing part and the snow twisting part of the snow rolling knife is not proper, so that the snow throwing load is large, and the snow throwing is not far.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a snowplow blade assembly and a snowplow that are structurally robust.

To achieve the above and other related objects, the present invention provides a snowroller assembly, comprising:

a support shaft;

the snow throwing paddle is arranged in the middle of the supporting shaft and is assembled to be capable of synchronously rotating with the supporting shaft;

the left snow scraper component and the right snow scraper component are respectively arranged on two sides of the snow throwing paddle and are mutually symmetrical about a plane vertical to the axis of the supporting shaft;

the left snow scraper component comprises a snow scraper which spirally winds around the supporting shaft along the axial direction of the supporting shaft;

the snow scraper is formed by splicing at least two sections of split type spiral sheets, and one end of each section of the spiral sheet, which is far away from the snow throwing paddle, is provided with a connecting part; the connecting part is connected with the supporting shaft; wherein one of the flights closest to the snow throwing paddle is connected to the snow throwing paddle.

In an alternative embodiment of the present invention, at least two of the snow scraping blades are provided, each of the snow scraping blades is uniformly spaced along the circumferential direction of the support shaft, and each of the spiral blades located in the same section in the axial direction of the support shaft shares the same connecting portion.

In an optional embodiment of the present invention, the spiral piece and the connecting portion are of an integral structure.

In an alternative embodiment of the present invention, a recessed portion is formed on one of the connecting portions closest to the end of the support shaft, the recessed portion being located around the support shaft, the recessed portion being recessed in a direction away from the end of the support shaft.

In an optional embodiment of the invention, in the projection of all the spiral pieces on the same connecting part in the axial direction of the support shaft, the sum of the arc center angles corresponding to the outermost arc-shaped profiles of the spiral pieces is greater than or equal to 100 ° and less than or equal to 360 °.

In an alternative embodiment of the invention, the area of the connection portion closest to the end of the support shaft to which the spiral piece is connected is a planar structure perpendicular to the axis of the support shaft, and the areas of the remaining connection portions to which the spiral piece is connected are twisted into a shape conforming to the spiral piece.

In an optional embodiment of the present invention, the snow throwing paddle includes at least two paddles that are cantilevered in a radial direction of the support shaft, a central region of a front side in a rotation direction of the paddles is recessed toward a rear side in the rotation direction, and both left and right ends of the front side in the rotation direction of the paddles are warped toward a front side in the rotation direction.

In an alternative embodiment of the present invention, the blade is provided with a through hole in a region close to the support shaft.

In an optional embodiment of the present invention, the paddle is provided with a rubber plate, the rubber plate is detachably connected to the paddle, and the rubber plate is arranged to protrude from an edge of the paddle along a radial direction of the support shaft.

In an optional embodiment of the present invention, each of the blades is an integrated structure, a shaft hole for the support shaft to pass through is disposed between the blades, radial holes are disposed on the side wall of the shaft hole and the support shaft, and a positioning bolt is disposed in the radial hole.

In an alternative embodiment of the present invention, a flange is provided on an edge of the blade on a side away from the support shaft in a radial direction of the support shaft, and the flange protrudes rearward in a rotational direction of the blade.

In an alternative embodiment of the invention, the ratio of the axial length of the snow throwing paddle to the axial length of the left scraper assembly is greater than or equal to 0.1 and less than or equal to 2.5.

In an optional embodiment of the present invention, a ratio between a maximum diameter of a projection of the snowroller assembly in the axial direction of the support shaft and a length of the support shaft is greater than or equal to 0.1 and less than or equal to 1.

In an optional embodiment of the invention, the outer edge of the snow scraper is provided with a sawtooth cut or a bent flanging.

To achieve the above and other related objects, the present invention also provides a snowplow including:

the host is provided with a driving device;

the snow rolling cutter assembly is installed at the front end of the host machine, and comprises:

the supporting shaft is in transmission connection with the driving device;

the snow throwing paddle is arranged in the middle of the supporting shaft and is assembled to be capable of synchronously rotating with the supporting shaft;

the left snow scraper component and the right snow scraper component are respectively arranged on two sides of the snow throwing paddle and are mutually symmetrical about a plane which is perpendicular to the axis of the supporting shaft and is at the center of the supporting shaft;

the left snow scraper component comprises a snow scraper which spirally winds around the supporting shaft along the axial direction of the supporting shaft;

the snow scraper is formed by splicing at least two sections of split type spiral sheets, and one end of each section of the spiral sheet, which is far away from the snow throwing paddle, is provided with a connecting part; the connecting part is connected with the supporting shaft; one end, which is closest to the snow throwing paddle and is far away from the connecting part, of the spiral sheet is connected with the snow throwing paddle.

The invention has the technical effects that:

according to the invention, on the basis of the traditional snow scraper, the snow scraper is set to be of a multi-section structure, the end part of each section of blade is provided with the connecting part, and the blade at the innermost side is fixedly connected with the snow throwing paddle, so that the two ends of each section of blade are effectively fixed, the problem of bending deformation caused by long span is avoided, and the structural strength of the snow rolling cutter assembly is improved.

According to the invention, the two spiral sheets positioned at the same axial position and the same connecting part form an integrated structure, and the two spiral sheets and the connecting part form a single part, so that the modular design of the snow scraper is realized, the assembly structure is simplified, the assembly efficiency is improved, and the maintenance of the snow scraper is convenient.

The snow throwing paddle structure can enable the throwing paths to be more gathered, and the snow throwing efficiency is improved; when the accumulated snow gathered in the middle of the supporting shaft is excessive, partial accumulated snow on the front side in the rotating direction of the paddle can overflow to the rear side in the rotating direction of the paddle through the through hole, and the overload of the snow throwing paddle is avoided.

Drawings

FIG. 1 is a perspective view of a snowroller assembly provided by an embodiment of the present invention;

fig. 2 is a front view of a snowroller assembly provided by an embodiment of the present invention;

FIG. 3 is a side view of a snowroller assembly provided by embodiments of the present invention;

fig. 4 is an exploded view of a snowroller assembly provided by an embodiment of the present invention;

FIG. 5 is a perspective view of an outboard spiral sheet and connection provided by an embodiment of the present invention;

FIG. 6 is a perspective view of an alternative perspective of the outboard spiral sheet and connection provided by an embodiment of the present invention;

FIG. 7 is a side view of an outboard spiral sheet and connection provided by an embodiment of the present invention;

FIG. 8 is a perspective view of an inboard flight and connection provided by an embodiment of the present invention;

FIG. 9 is a perspective view of an alternative perspective of the medial spiral sheet and the connection provided by embodiments of the present invention;

FIG. 10 is a side view of an inboard flight and connection provided by an embodiment of the present invention;

FIG. 11 is a perspective view of a snow throwing paddle according to an embodiment of the present invention;

FIG. 12 is an end view of a snow throwing paddle according to an embodiment of the present invention;

fig. 13 is a front view of a snowroller assembly provided by an embodiment of the present invention;

fig. 14 is a perspective view of a snow sweeper provided by an embodiment of the present invention.

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 invention 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. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

Referring to fig. 1 to 14, the following description will be made in detail in conjunction with a hand-held snow sweeper, and it should be understood that the present invention is an improvement on a cutter portion of the snow sweeper, and therefore there is no particular requirement on the running mode of the snow sweeper itself, and the snow rolling cutter assembly of the present invention is not only suitable for hand-held snow sweepers, but also for example, for seat-type snow sweepers, hand-held snow sweepers, and the like.

Referring to fig. 14, a walking snowplow includes a main body 100 and a snowroller assembly; the main machine 100 is provided with a driving device; it will be appreciated that the drive means is for driving the snowplow blade assembly to rotate, and the walk-behind snow sweeper further comprises a walking device and a control device, which in the walk-behind snow sweeper of this embodiment may be provided on a handrail of the snow sweeper, for example; the running gear and the snowplow blade assembly can share the same power source, or can be respectively provided with independent power sources, wherein the power sources can be an internal combustion engine or a motor, and when the motor is used, the snowplow is also provided with a necessary power module, such as a battery pack.

Referring to fig. 1 to 13, the snowroller assembly is mounted at the front end of the main body 100, and includes a support shaft 10, a snow throwing paddle 20, a left snowscraper assembly 30, and a right snowscraper assembly 40; in a specific embodiment, the front end of the main body 100 may be provided with a cover for accommodating the snow rolling cutter assembly, the front end of the cover is provided with an opening for swallowing snow, the cover is arranged around the rear part and the top part of the snow rolling cutter assembly to prevent snow from splashing, and the upper end of the cover is provided with a snow throwing channel for guiding the snow throwing direction.

Referring to fig. 1 to 13, the supporting shaft 10 is in transmission connection with the driving device, and it is understood that the specific connection manner of the transmission connection can be selected from the prior art, and may be, for example, a gear transmission, a pulley transmission, etc.

Referring to fig. 1 to 4, 11 and 12, the snow thrower 20 is mounted in the middle of the support shaft 10 and is configured to rotate synchronously with the support shaft 10; the left and right scraper assemblies 30 and 40 are disposed on opposite sides of the snow throwing paddle and are symmetrical to each other about a plane perpendicular to the axis of the support shaft 10, which may be selected, for example, in one embodiment, to balance the ends of the scraper assemblies, such as the plane of the center of the support shaft 10; in the rotation process of the supporting shaft 10, the snow can be gathered towards the middle part of the supporting shaft 10 by the left snow scraper assembly 30 and the right snow scraper assembly 40, and the snow throwing paddle 20 is used for throwing the gathered snow upwards.

Referring to fig. 1, in the present embodiment, the structures of the right and left scraper assemblies 40 and 30 are completely symmetrical, so the following only describes the structure of the left scraper.

Referring to fig. 1 to 10, the left snow scraper assembly 30 includes a snow scraper 31, and the snow scraper 31 spirally winds around the supporting shaft 10 along the axial direction of the supporting shaft 10; the snow scraper 31 is formed by splicing at least two sections of split type spiral blades 311, and one end of each section of the spiral blade 311, which is far away from the snow throwing paddle 20, is respectively provided with a connecting part 32; the connecting portion 32 is connected with the support shaft 10; the screw plate 311 closest to the snow throwing paddle 20 is connected with the snow throwing paddle 20, and particularly, the connecting part of the screw plate 311 and the snow throwing paddle 20 is one end far away from the connecting part 32. It can be understood that, on the basis of the traditional snow scraper, the snow scraper 31 is arranged into a multi-section structure, the end part of each section of blade is provided with a connecting part 32, and the blade at the innermost side is fixedly connected with the snow throwing paddle 20, so that the two ends of each section of blade are effectively fixed, the problem of bending deformation caused by long span is avoided, and the structural strength of the snow rolling cutter assembly is improved.

Referring to fig. 1 and 2, in the present embodiment, two snow scrapers 31 are provided, each snow scraper 31 is uniformly spaced along the circumferential direction of the support shaft 10, and each spiral blade 311 of each snow scraper 31 located in the same section in the axial direction of the support shaft 10 shares the same connecting portion 32. It should be noted that each of the snow scrapers 31 in the present embodiment is formed by sequentially connecting two spiral blades 311, that is, the left snow scraper assembly 30 in the present embodiment includes four spiral blades 311. It is to be understood that the snow scraper 31 of the present invention is not limited to the arrangement of only two, and may be provided with three or more, for example.

Referring to fig. 4, in a specific embodiment, the spiral pieces 311 and the connecting portion 32 are of an integrated structure, and it can be understood that in the embodiment, two spiral pieces 311 located at the same axial position and the same connecting portion 32 form an integrated structure, and the two spiral pieces 311 and the connecting portion 32 form a single part, so that the modular design of the snow scraper 31 is realized, the assembly structure is simplified, the assembly efficiency is improved, and the maintenance of the snow scraper 31 is facilitated.

As shown in fig. 5 to 7, a concave portion 321 is formed on one of the connecting portions 32 closest to the end of the supporting shaft 10, the concave portion 321 is located around the supporting shaft 10, and the concave portion 321 is concave in a direction away from the end of the supporting shaft 10, it can be understood that the concave portion 321 can avoid the connecting structure of the end of the supporting shaft 10, so that the snow scraper 31 is as close as possible to the two ends of the housing, thereby avoiding the cleaning dead angle.

Referring to fig. 7 and 10, in the projection of all the spiral sheets 311 on the same connecting portion 32 in the axial direction of the support shaft 10, the sum of the arc center angles corresponding to the outermost arc-shaped contour of each spiral sheet 311 is greater than or equal to 100 °, and less than or equal to 360 °, which is shown in fig. 7, that is, α 1+ α 2 is greater than or equal to 100 °; similarly, as shown in FIG. 10, i.e., 100. Ltoreq. Beta.1 + beta.2. Ltoreq.360. In the combination of the two sections of cutters, the arc center angle can exceed 360 degrees, so that the accumulated snow can be continuously cut and conveyed, and the thickness t of the plate of the snow scraper 31 in the embodiment satisfies that t is more than or equal to 0.8mm and less than or equal to 5mm.

Referring to fig. 5-10, in one embodiment, the area of the connecting portion 32 closest to the end of the supporting shaft 10 connected to the spiral piece 311 is a planar structure perpendicular to the axis of the supporting shaft 10, and the area of the connecting portion 32 connected to the spiral piece 311 is twisted to a shape corresponding to the spiral piece 311, so as to ensure a smooth tool surface and prevent accumulated snow from accumulating on the tool. It is understood that the present embodiment sets the area of the connecting portion 32 closest to the end of the supporting shaft 10, which is connected to the spiral sheet 311, to be a plane surface in order to ensure that the connecting portion 32 is adapted to the inner wall of the housing and reduce the gap therebetween, and in other embodiments, the area may not be a plane surface.

Referring to fig. 1 to 4, 11 and 12, the snow throwing paddle 20 includes two paddles 21, the paddles 21 are extended in a radial direction of the support shaft 10, a central area of a front side in a rotation direction of the paddles 21 is recessed to a rear side in the rotation direction, and left and right ends of the front side in the rotation direction of the paddles 21 are warped to a front side in the rotation direction. It can be understood that the rotation direction of the snow rolling cutter assembly refers to the rotation direction of the snow sweeper in the actual working process, and the snow throwing paddle 20 structure in the form can enable the throwing paths to be more gathered, so that the snow throwing efficiency is improved.

Referring to fig. 11, the blade 21 is provided with a through hole 23 at a region close to the supporting shaft 10, and it can be understood that when the accumulated snow is too much at the middle of the supporting shaft 10, a part of the accumulated snow at the front side of the rotating direction of the blade 21 can overflow to the rear side of the rotating direction of the blade 21 through the through hole 23, thereby preventing the blade 21 from being overloaded.

Referring to fig. 2, in an embodiment, a rubber plate 22 is disposed on the blade 21, the rubber plate 22 is detachably connected to the blade 21, the rubber plate 22 is disposed to protrude from an edge of the blade 21 along a radial direction of the support shaft 10, and a length H of the rubber plate 22 protruding from the edge of the blade 21 satisfies: h is more than or equal to 3mm and less than or equal to 30mm, preferably H =15mm, and sufficient loss allowance is reserved between the rubber plate 22 and the paddle 21, so that the service life of the paddle 21 is ensured.

Referring to fig. 11, in an embodiment, the two paddles 21 are of an integrated structure, a shaft hole is formed between the paddles 21, the support shaft 10 passes through the shaft hole, radial holes are formed in the side wall of the shaft hole and the support shaft 10, and a positioning bolt 11 is arranged in the radial hole. In this embodiment, the snow throwing oar for example can the integral type stamping forming, simple structure, the assembly of being convenient for.

Referring to fig. 11, the edge of the blade 21 on the side away from the support shaft 10 in the radial direction of the support shaft 10 is provided with a flange 24, and the flange 24 is protruded toward the rear of the rotation direction of the blade 21, so that it can be understood that the flange 24 can reinforce the stressed area of the blade 21 and prevent the blade 21 from deforming.

Referring to fig. 3 and 13, in one embodiment, the ratio of the axial length of the snow thrower 20 to the axial length of the left snow scraper 31 assembly 30 is greater than or equal to 0.1 and less than or equal to 2.5, as shown in fig. 13, i.e., L2/L1 is greater than or equal to 0.1 and less than or equal to 2.5; the ratio of the maximum diameter of the projection of the snowroller assembly in the axial direction of the support shaft 10 to the length of the support shaft 10 is greater than or equal to 0.1 and less than or equal to 1, which is shown in fig. 3 and 13, i.e. phi/L0 is greater than or equal to 0.1 and less than or equal to 1. The proportional relation of the sizes provided by the embodiment can adapt the working efficiency of the snow scraper 31 and the snow throwing paddle 20, so that the snow scraping amount and the snow throwing amount are in a roughly balanced state, and the overload or no load of the snow throwing paddle 20 is avoided. The outer edge of the snow scraper 31 may be provided with a saw-toothed cut or a bent flange, for example, or the snow scraper 31 may be provided with a concave-convex structure, so as to further improve the structural strength of the snow scraper 31.

In summary, in the present invention, based on the conventional snow scraper 31, the snow scraper 31 is configured as a multi-section structure, a connecting portion 32 is disposed at an end of each section of blade, and the innermost blade is fixedly connected to the snow thrower 20, so that both ends of each section of blade are effectively fixed, thereby avoiding the problem of bending deformation caused by a long span and improving the structural strength of the snow rolling blade assembly.

In the invention, the two spiral sheets 311 positioned at the same axial position and the same connecting part 32 form an integrated structure, and the two spiral sheets 311 and the connecting part 32 form a single part, so that the modular design of the snow scraper 31 is realized, the assembly structure is simplified, the assembly efficiency is improved, and the maintenance of the snow scraper 31 is facilitated.

The snow throwing paddle 20 structure can enable the throwing paths to be more gathered, and the snow throwing efficiency is improved; when the accumulated snow accumulated in the middle of the support shaft 10 is excessive, part of the accumulated snow on the front side in the rotation direction of the paddle 21 can overflow to the rear side in the rotation direction of the paddle 21 through the through hole 23, and the overload of the snow throwing paddle 20 is avoided.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Those skilled in the art can modify or change the above-described 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.

In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of embodiments of the invention.

Reference throughout this specification to "one embodiment," "an embodiment," or "a specific embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and not necessarily in all embodiments, of the present invention. Thus, appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.

It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.

Additionally, any labeled arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise specifically noted. Further, as used herein, the term "or" is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.

As used in the description herein and throughout the claims that follow, "a", "an", and "the" include plural references unless otherwise specified. Also, as used in the description herein and throughout the claims that follow, the meaning of "in \8230; includes" in 8230; and "on \8230; unless otherwise indicated.

The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As indicated, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.

The systems and methods have been described herein in general terms as the details aid in understanding the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.

Thus, although the present invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Thus, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.

Claims (15)

1. A snowplow blade assembly, comprising:

a support shaft;

the snow throwing paddle is arranged in the middle of the supporting shaft and is assembled to be capable of synchronously rotating with the supporting shaft;

the left snow scraper component and the right snow scraper component are respectively arranged on two sides of the snow throwing paddle and are mutually symmetrical about a plane vertical to the axial line of the supporting shaft;

the left snow scraper component comprises a snow scraper which spirally winds around the supporting shaft along the axial direction of the supporting shaft;

the snow scraper is formed by splicing at least two sections of split type spiral sheets, and one end of each section of the spiral sheet, which is far away from the snow throwing paddle, is provided with a connecting part; the connecting part is connected with the supporting shaft; wherein one of the flights closest to the snow throwing paddle is connected to the snow throwing paddle.

2. The snowplow blade assembly of claim 1, wherein there are at least two of the snow scraping blades, each of the snow scraping blades being evenly spaced circumferentially of the support shaft, each of the snow scraping blades sharing the same connecting portion with each of the flights located in the same segment in the axial direction of the support shaft.

3. The snowroller assembly of claim 1, wherein the spiral blade is a unitary structure with the connecting portion.

4. A snowroller assembly according to claim 1, wherein a recess is formed in a portion of the connecting portion closest to the end of the support shaft, the recess being located around the support shaft, the recess being recessed away from the end of the support shaft.

5. The snowroller assembly of claim 2, wherein in the projection of all the spiral blades on the same connecting part in the axial direction of the support shaft, the sum of the arc center angles corresponding to the outermost arc-shaped profiles of the spiral blades is greater than or equal to 100 degrees and less than or equal to 360 degrees.

6. The snowroller assembly of claim 1, wherein the area of the connection with the spiral blade at one of the connections closest to the end of the support shaft is planar perpendicular to the axis of the support shaft, and the area of the remaining connections with the spiral blade is twisted to conform to the shape of the spiral blade.

7. The snowplow blade assembly of claim 1, wherein the snow throwing paddle comprises at least two blades which are cantilevered in a radial direction of the support shaft, a central region of a front side in a rotation direction of the blades is recessed toward a rear side in the rotation direction, and left and right ends of the front side in the rotation direction of the blades are warped toward a front side in the rotation direction.

8. The snowroller assembly of claim 7, wherein the blade is provided with a through hole in an area proximate the support shaft.

9. The snowroller assembly of claim 7, wherein the paddle is provided with a rubber plate, the rubber plate is detachably connected with the paddle, and the rubber plate is arranged to protrude from the edge of the paddle along the radial direction of the supporting shaft.

10. The snowroller assembly of claim 7, wherein each blade is of a unitary construction, a shaft hole is provided between each blade for the support shaft to pass through, radial holes are provided in the side walls of the shaft hole and the support shaft, and a positioning bolt is provided in the radial hole.

11. The snowroller assembly of claim 7, wherein the blade is provided with a flange at an edge of a side thereof remote from the support shaft in a radial direction of the support shaft, the flange projecting rearward in a rotational direction of the blade.

12. The snowplow blade assembly of claim 1 wherein the ratio between the axial length of the snow throwing paddle and the axial length of the left snowplow blade assembly is greater than or equal to 0.1 and less than or equal to 2.5.

13. The snowroller assembly of claim 1, wherein a ratio between a maximum diameter of a projection of the snowroller assembly in the direction of the axis of the support shaft and the length of the support shaft is greater than or equal to 0.1 and less than or equal to 1.

14. The snowplow blade assembly of claim 1, wherein the outer edges of the snowplow blades are provided with serrated cutouts or bent flanges.

15. A snow plow, comprising:

the host is provided with a driving device;

the snowroller subassembly install in the host computer front end, the snowroller subassembly includes:

the supporting shaft is in transmission connection with the driving device;

the snow throwing paddle is arranged in the middle of the supporting shaft and is assembled to be capable of synchronously rotating with the supporting shaft;

the left snow scraper component and the right snow scraper component are respectively arranged on two sides of the snow throwing paddle and are mutually symmetrical relative to a plane which is perpendicular to the axis of the supporting shaft and is arranged in the center of the supporting shaft;

the left snow scraper component comprises a snow scraper which spirally winds around the supporting shaft along the axial direction of the supporting shaft;

the snow scraper is formed by splicing at least two sections of split type spiral sheets, and one end of each section of the spiral sheet, which is far away from the snow throwing paddle, is provided with a connecting part; the connecting part is connected with the supporting shaft; one end, which is closest to the snow throwing paddle and is far away from the connecting part, of the spiral sheet is connected with the snow throwing paddle.

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