Auger transmission mechanism and lithium battery double-step snow sweeper

Abstract

The utility model aims to solve the problems that an auger transmission structure in an existing snow sweeper is large in noise and poor in stability. According to the auger transmission mechanism and the lithium battery double-step snow sweeper, the auger transmission mechanism comprises a first rotating shaft provided with a snow rolling cutter, a second rotating shaft and a motor; wherein the motor is in transmission connection with the second rotating shaft which is in transmission connection with the first rotating shaft; a first synchronizing wheel is arranged on the motor, and a second synchronizing wheel is arranged on the second rotating shaft; a synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel; the noise generated by transmission is reduced, the transmission process is stable, the transmission efficiency is improved, and the phenomenon of slipping is not prone to occurring.

Description

Technical Field

[0001] The utility model relates to the technical field of snow sweepers, in particular to an auger transmission mechanism and a lithium-electric double-step snow sweeper. Background Art

[0002] Snowplows mainly use rollers to scoop up snow on the ground, and transport the scooped snow through a set channel to clear the snow on the ground. The rollers in existing snowplows are all driven by motors, where the motor and the roller shaft are mainly rotated by gear transmission or pulleys, such as those shown in patents with application publication numbers CN110857553A and CN113322879A. Gear transmission causes a lot of noise; for pulley transmission, the belt tension needs to be high, otherwise it is easy to slip. In addition, the belt also needs regular maintenance and re-tensioning, which is time-consuming and labor-intensive. Therefore, there is a need for a low-noise, high-transmission-efficiency, non-slip auger transmission mechanism and a corresponding lithium-powered two-step snowplow. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provide an auger transmission mechanism and a lithium-electric double-step snow sweeper.

[0004] In order to solve the above problems, the utility model adopts the following solutions:

[0005] A auger transmission mechanism of a lithium-powered two-step snow sweeper comprises a first rotating shaft provided with a snow rolling blade, a second rotating shaft and a motor; wherein the motor is drivingly connected to the second rotating shaft, and the second rotating shaft is drivingly connected to the first rotating shaft; a first synchronous wheel is provided on the motor, and a second synchronous wheel is provided on the second rotating shaft; a synchronous belt is provided between the first synchronous wheel and the second synchronous wheel.

[0006] Furthermore, a carbon fiber rope is arranged in the synchronous belt.

[0007] Furthermore, the first rotating shaft is connected to the second rotating shaft via a worm gear structure; a worm is provided at one end of the second rotating shaft close to the first rotating shaft, and a worm wheel corresponding to the worm is provided on the first rotating shaft.

[0008] Furthermore, a protective cover is provided at the transmission connection portion between the first rotating shaft and the second rotating shaft.

[0009] Furthermore, the number of teeth of the first synchronous wheel is 20-25, and the number of teeth of the second synchronous wheel is 59-80.

[0010] Furthermore, the center distance between the first synchronous wheel and the second synchronous wheel is 80 mm to 110 mm.

[0011] A lithium-powered two-step snowplow comprises the above-mentioned auger transmission mechanism; further comprising a snowplow hood, a snow roller, an impeller and a snow discharge cylinder; wherein a first rotating shaft is rotatably arranged in the snowplow hood, and a plurality of snow rollers are fixedly arranged on the first rotating shaft; a circular hole for connecting the snow discharge cylinder is also arranged on the side of the snowplow hood, and the snow discharge cylinder is fixedly connected to the circular hole of the snowplow hood; a second rotating shaft is rotatably arranged in the snow discharge cylinder, and an impeller is fixedly arranged on the second rotating shaft, and the impeller is located in the snow discharge cylinder; a snow outlet for discharging snow is arranged on the side of the snow discharge cylinder.

[0012] Furthermore, the snow discharge tube is in the shape of a cylindrical tube with a hollow interior and an open end.

[0013] Furthermore, the impeller includes a base plate and blades; wherein the second rotating shaft is vertically arranged at the center of the base plate, and a plurality of blades are arranged on the base plate.

[0014] Furthermore, the blades arranged on the bottom plate are also provided with reinforcing ribs, and the reinforcing ribs are located on a side of the blades that is away from the second rotating shaft.

[0015] The beneficial effects of the utility model are:

[0016] By setting a synchronous belt and a first synchronous wheel and a second synchronous wheel, the transmission between the motor and the second rotating shaft is realized, the noise generated by the transmission is reduced, and the transmission process is stable, the transmission efficiency is improved, and the slip phenomenon is not easy to occur;

[0017] The strength of the synchronous belt is enhanced by installing carbon fiber cords in the synchronous belt;

[0018] By setting the center distance between the first synchronous wheel and the second synchronous wheel to 80mm~110mm, the center distance between the two synchronous wheels is reduced compared to belt drive, thereby reducing the space they occupy; by setting reinforcing ribs on the impeller, the service life of the blades is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A partial schematic diagram of the snow sweeper of Example 1 Figure 1 ;

[0020] Figure 2 A partial schematic diagram of the snow sweeper of Example 1 Figure 2 ;

[0021] Figure 3 Schematic diagram of the auger transmission mechanism of Example 1;

[0022] Figure 4 It is an exploded view of the auger transmission mechanism of Example 1;

[0023] Figure 5 It is a schematic diagram of a partial structure of the snow sweeper of Example 1 without a snow sweeping cover and a snow discharge barrel;

[0024] Figure 6 It is a schematic diagram of the snow sweeping cover and snow discharge tube of Example 1;

[0025] Description of the symbols in the accompanying drawings: auger transmission mechanism 1, first rotating shaft 11, second rotating shaft 12, motor 13, first synchronous wheel 14, second synchronous wheel 15, synchronous belt 16, worm wheel 17, worm 18, protective cover 19, snow clearing cover 2, round hole 21, snow rolling knife 3, impeller 4, bottom plate 41, blades 42, reinforcing ribs 43, snow outlet tube 5, snow outlet 51. DETAILED DESCRIPTION

[0026] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0027] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and the figures only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0028] Embodiment 1:

[0029] like Figure 3 , 4 As shown, a auger transmission mechanism of a lithium-powered two-step snow sweeper includes a first rotating shaft 11, a second rotating shaft 12 and a motor 13 provided with a snow rolling blade 3; wherein the motor 13 is transmission-connected with the second rotating shaft 12, and the second rotating shaft 12 is transmission-connected with the first rotating shaft 11, and the rotation of the motor 13 is transmitted to the first rotating shaft 11 through the second rotating shaft 12, thereby driving the first rotating shaft 11 to rotate; a first synchronous wheel 14 is provided on the motor 13, and a second synchronous wheel 15 is provided on the second rotating shaft 12; a synchronous belt 16 is provided between the first synchronous wheel 14 and the second synchronous wheel 15; transmission is achieved between the synchronous belt 16 and the synchronous wheel by engaging with the teeth, and has an accurate transmission ratio and a constant speed ratio, and has a small slip, can obtain a higher transmission efficiency, and the transmission process is smooth and the noise is small. It should be noted that in this example Figure 4 In the figure, the latch teeth on the synchronous belt 16 are not shown.

[0030] The first rotating shaft 11 is connected to the second rotating shaft 12 through a worm gear structure; a worm 18 is provided at one end of the second rotating shaft 12 close to the first rotating shaft 11, and a worm wheel 17 corresponding to the worm 18 is provided on the first rotating shaft 11. A protective cover 19 for protecting the worm wheel 17 and the worm 18 structure is also provided at the transmission connection part between the first rotating shaft 11 and the second rotating shaft 12 to prevent snow or other foreign matter from entering the transmission connection part of the worm wheel 17 and the worm 18.

[0031] The synchronous belt 16 is provided with carbon fiber cords to enhance the strength of the synchronous belt 16, reduce its elongation, and reduce the tension attenuation of the belt, thereby effectively reducing the number of belt maintenance and re-tensioning. In this example, the existing composite carbon fiber cord synchronous belt 16 is used.

[0032] The output power of the motor 13 ranges from 2.5KW to 4KW, and the rotation speed ranges from 3500rpm to 5000rpm.

[0033] The number of teeth of the first synchronous wheel 14 is 20-25, the number of teeth of the second synchronous wheel 15 is 59-80, and the reduction ratio between the two synchronous wheels ranges from 2 to 4 times.

[0034] The center distance between the first synchronous wheel 14 and the second synchronous wheel 15 is 80 mm to 110 mm; compared with belt transmission, the center distance between the two synchronous wheels can be significantly reduced, thereby reducing the space occupied by them.

[0035] like Figure 1 , 2 As shown in Figures 5 and 6, a lithium-powered two-step snow sweeper includes the above-mentioned auger transmission mechanism 1; it also includes a snow sweeping hood 2, a snow rolling blade 3, an impeller 4 and a snow discharge cylinder 5; wherein a first rotating shaft 11 is rotatably arranged in the snow sweeping hood 2, and a plurality of snow rolling blades 3 are fixedly arranged on the first rotating shaft 11; a circular hole 21 for connecting the snow discharge cylinder 5 is also arranged on the side of the snow sweeping hood 2, and the snow discharge cylinder 5 is fixedly connected to the circular hole 21 of the snow sweeping hood 2; a second rotating shaft 12 is rotatably arranged in the snow discharge cylinder 5, and an impeller 4 is also fixedly arranged on the second rotating shaft 12, and the impeller 4 is located in the snow discharge cylinder 5; a snow outlet 51 for discharging snow is arranged on the side of the snow discharge cylinder 5.

[0036] The snow discharge tube 5 is in the shape of a cylindrical tube with a hollow interior and an open end. The open end of the snow discharge tube 5 is connected to the circular hole 21 on the snow sweeping cover 2, so that the snow swept by the snow roller 3 in the snow sweeping cover 2 can fall into the snow discharge tube 5 through the circular hole 21, and then pass through the impeller 4 in the snow discharge tube 5 to be discharged from the snow outlet 51.

[0037] The impeller 4 includes a base plate 41 and blades 42; wherein the second rotating shaft 12 is vertically arranged at the center of the base plate 41, and a plurality of blades 42 are arranged on the base plate 41; the blades 42 arranged on the base plate 41 are also provided with reinforcing ribs 43, and the reinforcing ribs 43 are located on the side of the blades 42 that turns away from the second rotating shaft 12, so as to enhance the ability of the blades 42 to roll off snow and reduce the possibility of damage to the blades 42.

[0038] During the implementation process, by setting the synchronous belt 16 and the first synchronous wheel 14 and the second synchronous wheel 15, the transmission between the motor 13 and the second rotating shaft 12 is realized, the noise generated by the transmission is reduced, and the transmission process is stable and not prone to slipping; by setting a carbon fiber rope in the synchronous belt 16, the strength of the synchronous belt 16 is enhanced; by setting the center distance between the first synchronous wheel 14 and the second synchronous wheel 15 to 80mm~110mm, the center distance between the two synchronous wheels is reduced compared with the belt drive, thereby reducing the space occupied by them; by setting the reinforcing ribs 43 on the impeller 4, the service life of the blade 42 is enhanced.

[0039] The above description is only a specific example of the utility model and does not constitute any limitation to the utility model. Obviously, for professionals in this field, after understanding the content and principle of the utility model, it is possible to make various modifications and changes in form and details without departing from the principle and structure of the utility model, but these modifications and changes based on the idea of ​​the utility model are still within the scope of protection of the claims of the utility model.

Claims

1. An auger transmission mechanism, comprising a first rotating shaft (11) provided with a snow roller (3), a second rotating shaft (12), and a motor (13); wherein the motor (13) is in transmission connection with the second rotating shaft (12), and the second rotating shaft (12) is in transmission connection with the first rotating shaft (11); It is characterized in that The motor (13) is provided with a first synchronous wheel (14), and the second rotating shaft (12) is provided with a second synchronous wheel (15); a synchronous belt (16) is provided between the first synchronous wheel (14) and the second synchronous wheel (15).

2. The auger transmission mechanism according to claim 1, It is characterized in that A carbon fiber cord is arranged inside the synchronous belt (16).

3. The auger transmission mechanism according to claim 1, It is characterized in that The first rotating shaft (11) and the second rotating shaft (12) are connected via a worm gear structure; a worm gear (18) is provided at one end of the second rotating shaft (12) close to the first rotating shaft (11), and a worm gear (17) corresponding to the worm gear (18) is provided on the first rotating shaft (11).

4. The auger transmission mechanism according to claim 1, It is characterized in that A protective cover (19) is also provided at the transmission connection portion between the first rotating shaft (11) and the second rotating shaft (12).

5. The auger transmission mechanism according to claim 1, It is characterized in that The number of teeth of the first synchronous wheel (14) is 20-25, and the number of teeth of the second synchronous wheel (15) is 59-80.

6. The auger transmission mechanism according to claim 1, It is characterized in that The center distance between the first synchronous wheel (14) and the second synchronous wheel (15) is 80 mm to 110 mm.

7. A lithium-ion two-step snow sweeper, It is characterized in that The invention comprises an auger transmission mechanism (1) as claimed in any one of claims 1 to 6; and further comprises a snow sweeping hood (2), a snow rolling blade (3), an impeller (4) and a snow discharge barrel (5); wherein a first rotating shaft (11) is rotatably arranged in the snow sweeping hood (2), and a plurality of snow rolling blades (3) are fixedly arranged on the first rotating shaft (11); a circular hole (21) for connecting the snow discharge barrel (5) is also arranged on the side of the snow sweeping hood (2), and the snow discharge barrel (5) is fixedly connected to the circular hole (21) of the snow sweeping hood (2); a second rotating shaft (12) is rotatably arranged in the snow discharge barrel (5), and an impeller (4) is also fixedly arranged on the second rotating shaft (12), and the impeller (4) is located in the snow discharge barrel (5); and a snow outlet (51) for discharging snow is arranged on the side of the snow discharge barrel (5).

8. A lithium-powered two-step snow sweeper according to claim 7, It is characterized in that The snow discharge tube (5) is in the shape of a cylinder with a hollow interior and an open end.

9. A lithium-powered two-step snow sweeper according to claim 8, It is characterized in that The impeller (4) comprises a bottom plate (41) and blades (42); wherein the second rotating shaft (12) is arranged vertically at the center of the bottom plate (41), and a plurality of blades (42) are arranged on the bottom plate (41).

10. A lithium-powered two-step snow sweeper according to claim 9, It is characterized in that The blade (42) disposed on the bottom plate (41) is further provided with a reinforcing rib (43), and the reinforcing rib (43) is located on a side of the blade (42) that is away from the second rotating shaft (12).

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