CN219770036U - Caterpillar band and snow sweeping equipment - Google Patents

Abstract

The utility model provides a crawler belt and snow sweeping equipment, and belongs to the technical field of mobile devices. The crawler comprises a crawler body; the driving wheel and the driven wheel are arranged at two ends of the inner side of the crawler body and are in transmission connection through the crawler body; the first frame body and the second frame body are arranged on two opposite sides of the axis direction of the driving wheel so as to connect the driving wheel with the driven wheel; the first blocking piece and the second blocking piece are arranged between the driven wheel and the driving wheel, the distance between the first blocking piece and the driving wheel is L1, and the requirements are met, wherein L1 is more than 0 and less than 5mm; the distance between the second blocking piece and the driven wheel is L2, which is more than 0 and less than 5mm. The distance between the first blocking piece and the driving wheel and the distance between the second blocking piece and the driven wheel are adjusted, so that the blocking efficiency and the blocking quality of substances attached to the surfaces of the driving wheel and the driven wheel are improved, the adhesion of sludge, snow or other substances to the surfaces of the driving wheel is prevented, and the stability and the fluency of the caterpillar in the moving process are improved.

Description

Caterpillar band and snow sweeping equipment

Technical Field

The utility model relates to the technical field of mobile devices, in particular to a crawler belt and snow sweeping equipment.

Background

In the running gear working process, rain and snow, impurity such as silt get into the track from the external world inside, glue at the band pulley outer lane, the band pulley diameter grow, and the track is propped tightly, leads to during operation band pulley and track frictional force grow, the easy frequent overcurrent's of being qualified for next round of competitions of running motor condition.

Disclosure of Invention

In view of the above, the present utility model aims to overcome the defects in the prior art, and provide a crawler belt and a snow sweeping device.

The utility model provides the following technical scheme: a track, comprising:

a track body;

the driving wheel and the driven wheel are arranged at two ends of the inner side of the crawler body and are in transmission connection through the crawler body;

a first frame and a second frame which are provided at opposite sides of an axial direction of the driving wheel to connect the driving wheel and the driven wheel;

the first blocking piece and the second blocking piece are arranged between the driven wheel and the driving wheel, the distance between the first blocking piece and the driving wheel is L1, and 0 < L1 < 5mm is satisfied;

the distance between the second blocking piece and the driven wheel is L2, and the distance is more than 0 and less than 5mm.

In some embodiments of the utility model, the value range of L1 is 0.5 mm.ltoreq.L1.ltoreq.1.5 mm;

and/or the value range of L2 is that L2 is more than or equal to 0.5mm and less than or equal to 1.5mm.

Further, the crawler body further comprises a driving mechanism, and the driving mechanism is arranged on one side, close to the driving wheel, of the first frame body;

the output end of the driving mechanism penetrates through the first frame body to be connected with the driving wheel.

Further, the first frame body is connected with the second frame body through a connecting piece, and the connecting piece is located between the driving wheel and the driven wheel.

Further, the first barrier is proximate to the drive wheel;

in a first direction, the first barrier at least partially covers the rim of the drive wheel.

Further, the first direction is a perpendicular direction from one end of the first blocking member toward the driving wheel to the axis of the driving wheel.

Further, the second barrier is proximate to the driven wheel;

in a second direction, the second barrier at least partially covers the rim of the driven wheel.

Further, the second direction is a perpendicular direction from one end of the second blocking member toward the driven wheel to the axis of the driven wheel.

Further, the first blocking piece is a first bolt, one end of the first bolt is in threaded connection with the connecting piece, and the other end of the first bolt faces the driving wheel;

and/or the second blocking piece is a second bolt, one end of the second bolt is in threaded connection with the connecting piece, and the other end of the second bolt faces the driven wheel.

Further, a first gasket is arranged between the first blocking piece and the connecting piece, and the first blocking piece penetrates through the first gasket and is connected with the connecting piece;

and/or a second gasket is arranged between the second blocking piece and the connecting piece, and the second blocking piece is arranged on the second gasket in a penetrating way and is connected with the connecting piece.

Further, the first barrier and the second barrier are telescoping rods.

Some embodiments of the utility model also provide a snow sweeping apparatus comprising the track.

Embodiments of the present utility model have the following advantages: through setting up first separation piece and second separation piece between drive wheel and follow driving wheel, through adjusting the distance between first separation piece and the drive wheel, with the separation efficiency and the separation quality of promoting first separation piece to the material of attaching on the drive wheel surface, prevent silt, snow or other material adhesion on the surface of drive wheel, with the smoothness nature of promoting the drive wheel in the rotation in-process, simultaneously, through adjusting the distance between second separation piece and the follow driving wheel, with the separation efficiency and the separation quality of promoting the material of second separation piece to attaching on the follow driving wheel surface, prevent silt, snow or other material adhesion on the surface of follow driving wheel, with the smoothness nature of promoting follow driving wheel in the rotation in-process, thereby promote the stability and the smoothness nature of track in the removal in-process.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 illustrates a schematic view of a track from one perspective, provided in accordance with some embodiments of the present utility model;

FIG. 2 illustrates an exploded view of one track provided by some embodiments of the present utility model;

FIG. 3 illustrates a partial structural schematic view of a track provided in accordance with some embodiments of the present utility model;

fig. 4 shows an enlarged view of the portion a in fig. 3.

Description of main reference numerals:

100-track body; 200-driving wheels; 300-driven wheel; 400-a first frame body; 500-a second frame body; 600-first barrier; 700-a second barrier; 800-a driving mechanism; 900-connection piece.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, 2 and 4, some embodiments of the present utility model provide a crawler, which is mainly applied to a crawler, and by using the crawler, the contact area and friction between the crawler and the ground in the process of walking of the crawler can be increased, so that the situations of slipping, loosening or dropping of the crawler in the process of walking of the crawler can be avoided, and the stability of the crawler in the process of walking can be improved.

Wherein the track comprises a track body 100.

Specifically, the track further includes a driving wheel 200 and a driven wheel 300, and the driving wheel 200 and the driven wheel 300 are respectively disposed at both inner ends of the track body 100 to be drivingly connected through the track body 100. It should be noted that, the driving wheel 200 and the driven wheel 300 are disposed at two opposite sides of the running direction of the track body 100, respectively, that is, the track body 100 can be spread by the driving wheel 200 and the driven wheel 300, so that the track body 100 is kept in a tensioned state.

In addition, the track body 100 further includes a first frame 400 and a second frame 500 provided at opposite sides of the axial direction of the driving wheel 200, the driving wheel 200 and the driven wheel 300 are connected through the first frame 400 and the second frame 500, the driving wheel 200 is connected to the first frame 400 to rotate and the second frame 500, the driving wheel 200 is rotatable along its own axis, and the driven wheel 300 is connected to the first frame 400 to rotate and the second frame 500, and the driven wheel 300 is rotatable along its own axis.

It can be appreciated that the driving wheel 200 and the driven wheel 300 can be fixed by the first and second frame bodies 400 and 500 such that the distance between the axis of the driving wheel 200 and the axis of the driven wheel 300 is maintained stable, and the stability of the driving wheel 200 and the driven wheel 300 during rotation is improved.

It should be noted that, the first frame 400 and the second frame 500 are connected, so that the first frame 400 and the second frame 500 can form a limiting effect on the driving wheel 200 and the driven wheel 300, so that the stability of the driving wheel 200 and the driven wheel 300 inside the track body 100 is improved, and meanwhile, the stability of the track in the running process is improved.

Preferably, the first frame 400 and the second frame 500 are symmetrically disposed at the inner side of the track body 100, and the first frame 400 and the second frame 500 each have a gap with the rim of the driving wheel 200 and the rim of the driven wheel 300.

Further, the track body 100 further includes a first blocking member 600 and a second blocking member 700, and the first blocking member 600 and the second blocking member 700 are disposed between the driven wheel 300 and the driven wheel 200, so as to form a blocking effect on the sundries attached to the rim surface of the driven wheel 200 through the first blocking member 600, and form a blocking effect on the sundries attached to the rim surface of the driven wheel 300 through the second blocking member 700, so as to improve the stability and smoothness of the driven wheel 300 and the driven wheel 200 during rotation.

Specifically, the first blocking member 600 is disposed at a side close to the driving wheel 200, and the first blocking member 600 is connected with the first frame 400 and/or the second frame 500 to improve stability of the first blocking member 600, wherein a distance between the first blocking member 600 and the driving wheel 200 is L1, which satisfies 0 < L1 < 5mm. In this embodiment, the range of values of L1 includes: 0 < L1 < 0.5mm, 0 < L1 < 1.5mm, 0 < L1 < 2mm, 0 < L1 < 2.5mm, 0 < L1 < 3mm, 0 < L1 < 3.5mm, 0 < L1 < 4mm, 0 < L1 < 4.5mm, 0 < L1 < 5mm, 0.5 < L1 < 5mm, 1 < L1 < 5mm, 1.5 < L1 < 5mm, 2 < L1 < 5mm, 2.5 < L1 < 5mm, 3 < L1 < 5mm, 3.5 < L1 < 5mm, 4 < L1 < 5mm, 4.5 < L1 < 5mm.

It should be noted that, by providing a gap between the first blocking member 600 and the driving wheel 200, the friction generated between the driving wheel 200 and the first blocking member 600 during the rotation process can be prevented from affecting the smoothness of the driving wheel 200 during the rotation process.

Further, by adjusting the distance between the first blocking member 600 and the driving wheel 200, the blocking efficiency and the blocking quality of the first blocking member 600 to the substances attached to the surface of the driving wheel 200 are improved, and the adhesion of sludge, snow or other substances to the surface of the driving wheel 200 is prevented, so that the smoothness of the driving wheel 200 in the rotation process is improved.

In addition, the distance between the second barrier 700 and the driven wheel 300 is L2, which satisfies 0 < L2 < 5mm. In this embodiment, the range of values of L2 includes: 0 < L2 < 0.5mm, 0 < L2 < 1.5mm, 0 < L2 < 2mm, 0 < L2 < 2.5mm, 0 < L2 < 3mm, 0 < L2 < 3.5mm, 0 < L2 < 4mm, 0 < L2 < 4.5mm, 0 < L2 < 5mm, 0.5 < L2 < 5mm, 1 < L2 < 5mm, 1.5 < L2 < 5mm, 2 < L2 < 5mm, 2.5 < L2 < 5mm, 3 < L2 < 5mm, 3.5 < L2 < 5mm, 4 < L2 < 5mm, 4.5 < L2 < 5mm.

It will be appreciated that by providing a gap between the second barrier 700 and the driven wheel 300, friction between the driven wheel 300 and the second barrier 700 during rotation will not affect the smoothness of rotation of the driven wheel 300.

Further, by adjusting the distance between the second blocking member 700 and the driven wheel 300, the blocking efficiency and the blocking quality of the second blocking member 700 to the substances attached to the surface of the driven wheel 300 are improved, and the adhesion of sludge, snow or other substances to the surface of the driven wheel 300 is prevented, so that the smoothness of the driven wheel 300 in the rotation process is improved.

Therefore, by providing the first blocking member 600 and the second blocking member 700, not only can the attachment of external silt, snow or other impurities in the course of rotation of the driving wheel 200 and the driven wheel 300 be avoided, but also the stability and fluency of the track in the course of walking can be improved.

Preferably, in some embodiments of the present utility model, the L1 has a value ranging from 0.5 mm.ltoreq.L1.ltoreq.1.5 mm. It is understood that the value range of L1 is any range of 0.5 mm.ltoreq.L1.ltoreq.1.5 mm, 0.6 mm.ltoreq.L1.ltoreq.1.5 mm, 0.7 mm.ltoreq.L1.ltoreq.1.5 mm, 0.8 mm.ltoreq.L1.ltoreq.1.5 mm, 0.9 mm.ltoreq.L1.ltoreq.1.5 mm, 1.1 mm.ltoreq.L1.ltoreq.1.5 mm, 1.2 mm.ltoreq.L1.ltoreq.1.5 mm, 1.3 mm.ltoreq.L1.ltoreq.1.5 mm, 1.4 mm.ltoreq.L1.ltoreq.1.5 mm.

In addition, the value range of L2 is that L2 is more than or equal to 0.5mm and less than or equal to 1.5mm. It is understood that the value range of L2 is any range of 0.5 mm.ltoreq.L2.ltoreq.1.5 mm, 0.6 mm.ltoreq.L2.ltoreq.1.5 mm, 0.7 mm.ltoreq.L2.ltoreq.1.5 mm, 0.8 mm.ltoreq.L2.ltoreq.1.5 mm, 0.9 mm.ltoreq.L2.ltoreq.1.5 mm, 1.1 mm.ltoreq.L2.ltoreq.1.5 mm, 1.3 mm.ltoreq.L2.ltoreq.1.5 mm, 1.4 mm.ltoreq.L2.ltoreq.1.5 mm.

It should be noted that, by reducing the distance between the first blocking member 600 and the driving wheel 200, the thickness of the sundries attached to the rim surface of the driving wheel 200 is reduced, and meanwhile, the accumulated snow or the ice on the rim surface of the driving wheel 200 can be scraped off by the first blocking member 600, so as to improve the stability of the driving wheel 200 during the running process; meanwhile, the thickness of sundries attached to the rim surface of the driven wheel 300 is reduced by reducing the distance between the second blocking member 700 and the driven wheel 300, and meanwhile, snow or ice on the rim surface of the driven wheel 300 can be scraped off through the second blocking member 700, so that the stability of the driven wheel 300 in the running process is improved, and the stability of the caterpillar in the moving process is improved.

As shown in fig. 2 and 3, in some embodiments of the present utility model, the track body 100 further includes a driving mechanism 800, the driving mechanism 800 is disposed on a side of the first frame 400 near the driving wheel 200, and the driving mechanism 800 is disposed on a side of the first frame 400 facing away from the driving wheel 200, and the driving mechanism 800 is connected to the first frame 400 through bolts, so that the driving mechanism 800 can be mounted or dismounted on the first frame 400, and stability of the driving mechanism 800 on the first frame 400 can be improved.

In this embodiment, the driving mechanism 800 is a walking motor.

Specifically, the output end of the driving mechanism 800 is disposed through the first frame 400, so as to be connected with the driving wheel 200, so as to control the driving wheel 200 to rotate through the output end of the driving mechanism 800.

It should be noted that, the axis of the driving wheel 200 coincides with the axis of the output end of the driving mechanism 800, that is, when the driving mechanism 800 is started, the output end of the driving mechanism 800 can drive the driving wheel 200 to coaxially rotate in the process of rotation.

In addition, an encoder is provided at one side of the output end of the driving mechanism 800 to record the travel distance of the crawler belt by the encoder.

As shown in fig. 2 and 3, in some embodiments of the present utility model, the first frame 400 and the second frame 500 are connected by a connection 900 to improve stability of the first frame 400 and the second frame 500 inside the track body 100.

The connection mode of the connecting piece 900 and the first frame 400 and the second frame 500 includes any one of bolting, clamping and welding. Preferably, in the present embodiment, the first and second frames 400 and 500 are connected to the connection member 900 by bolts for easy installation or removal.

Specifically, one end of the connecting member 900 is connected to the first frame 400, and the other end of the connecting member 900 is connected to the second frame 500, and by arranging the connecting member 900 between the first frame 400 and the second frame 500, not only the first frame 400 and the second frame 500 can be connected, but also the distance between the first frame 400 and the second frame 500 can be kept stable, so that the stability of the driving wheel 200 and the driven wheel 300 in the process of rotation is improved, and contact with the first frame 400 and the second frame 500 is avoided.

In the present embodiment, the connector 900 is any one or a combination of two or more of a connecting rod, a connecting plate, a connecting table, and a connecting buckle.

Further, the connection member 900 is located between the driving wheel 200 and the driven wheel 300, and a space is provided between the connection member 900 and the driving wheel 200, and a space is provided between the connection member 900 and the driven wheel 300, so as to avoid the connection member 900 from contacting the driving wheel 200 and the driven wheel 300 during rotation, so as to ensure stability of the driving wheel 200 and the driven wheel 300 during rotation.

As shown in fig. 3 and 4, in some embodiments of the present utility model, the first blocking member 600 is close to the driving wheel 200 to block impurities on the surface of the driving wheel 200 by the first blocking member 600, and the second blocking member 700 is close to the driven wheel 300 to block impurities on the surface of the driven wheel 300 by the second blocking member 700, so that the hub of the driving wheel 200 and the hub surface of the driven wheel 300 can be maintained substantially smooth.

Specifically, in the first direction, the first blocking member 600 at least partially covers the rim of the driving wheel 200, that is, the first blocking member 600 partially covers the rim of the driving wheel 200 or the first blocking member 600 completely covers the rim of the driving wheel 200.

The first direction is a perpendicular direction from one end of the first blocking member 600 facing the driving wheel 200 to the axis of the driving wheel 200.

In this embodiment, the second barrier 700 at least partially covers the rim of the driven wheel 300 in the second direction, i.e. the second barrier 700 partially covers the rim of the driven wheel 300 or the second barrier 700 completely covers the rim of the driven wheel 300.

In addition, the second direction is a perpendicular direction from one end of the driven wheel 300 to the axis of the driven wheel 300, in which the second blocking member 700 faces.

Further, the relationship between the first direction and the second direction includes parallelism or intersection.

Preferably, in the present embodiment, the first blocking member 600 completely covers the rim of the driving wheel 200 in the first direction; in the second direction, the second blocking member 700 completely covers the rim of the driven wheel 300, so that the driving wheel 200 and the driven wheel 300 can completely block the substances attached to the rim surface of the driving wheel 200 through the first blocking member 600 during the rotation process, thereby improving the blocking quality of the first blocking member 600, and simultaneously, the substances attached to the rim surface of the driven wheel 300 can be completely blocked through the second blocking member 700, thereby improving the blocking quality of the second blocking member 700.

As shown in fig. 4, in some embodiments of the present utility model, the first blocking member 600 is a first bolt, one end of the first bolt is screwed with the connecting member 900, and the other end of the first bolt faces the driving wheel 200.

It should be noted that, by setting the first blocking member 600 as the first bolt, so that the first bolt can form a threaded connection with the connecting member 900, that is, by rotating the first blocking member 600, the distance between the first blocking member 600 and the connecting member 900 can be adjusted, and meanwhile, the distance between the first blocking member 600 and the rim of the driving wheel 200 can be adjusted, so that the blocking effect can be formed on the sundries attached to the rim surface of the driving wheel 200 by the first blocking member 600 while the driving wheel 200 is prevented from contacting the first blocking member 600 in the rotating process, and the stability and fluency of the driving wheel 200 in the rotating process can be improved.

In addition, in this embodiment, the second blocking member 700 is a second bolt, one end of the second bolt is screwed with the connecting member 900, and the other end of the second bolt faces the driven wheel 300.

It should be noted that, by setting the second blocking member 700 as the second bolt, so that the second bolt can form a threaded connection with the connecting member 900, that is, by rotating the second blocking member 700, the distance between the second blocking member 700 and the connecting member 900 can be adjusted, and meanwhile, the distance between the second blocking member 700 and the rim of the driven wheel 300 can be adjusted, and when the driven wheel 300 is prevented from contacting with the second blocking member 700 in the rotating process, the blocking effect can be formed on the sundries attached to the rim surface of the driven wheel 300 by the second blocking member 700, so that the stability and the fluency of the driven wheel 300 in the rotating process are improved, and the stability and the fluency of the crawler belt in the moving process are improved.

In some embodiments of the present utility model, a first spacer is disposed between the first blocking member 600 and the connecting member 900, where the number of first spacers may be one, two or more than two, and may be specifically set according to practical situations.

Specifically, the first blocking member 600 is disposed through the first spacer and is connected to the connecting member 900, and it can be understood that the distance between the first blocking member 600 and the driving wheel 200 can be adjusted by providing the first spacer between the first blocking member 600 and the connecting member 900 to adjust the distance between the first blocking member 600 and the driving wheel 200, that is, by adjusting the number of the first spacers.

The thickness of the first gasket is L3, wherein the value range of L3 is more than or equal to 0.1mm and less than or equal to 0.5mm.

In addition, in some embodiments, a second spacer is disposed between the second blocking member 700 and the connecting member 900, where the number of second spacers may be one, two or more than two, and may be specifically set according to practical situations.

Specifically, the second blocking member 700 is disposed through the second spacer and connected to the connecting member 900. It will be appreciated that by providing a second spacer between the second barrier 700 and the connector 900 to adjust the distance between the second barrier 700 and the driven wheel 300, i.e. by adjusting the number of second spacers, the distance between the second barrier 700 and the driven wheel 300 can be adjusted.

The thickness of the first gasket is L4, wherein the value range of L4 is more than or equal to 0.1mm and less than or equal to 0.5mm.

Further, in order to improve the stability and compressive strength of the first gasket and the second gasket, in this embodiment, the first gasket and the second gasket are both metal gaskets.

In some embodiments of the utility model, the first barrier 600 and the second barrier 700 are telescoping rods.

Specifically, the first blocking member 600 is a first telescopic rod, the second blocking member 700 is a second telescopic rod, the distance between the first blocking member 600 and the driving wheel 200 is adjusted by adjusting the length of the first telescopic rod, the distance between the first blocking member 600 and the driving wheel 200 is adjusted by adjusting the length of the second telescopic rod, thereby blocking sundries on the surface of the driving wheel 200 by the first telescopic rod, blocking sundries on the surface of the driven wheel 300 by the second telescopic rod, and improving stability and fluency of the crawler in the moving process.

In addition, based on any one of the embodiments, the utility model further provides a snow sweeping device, which comprises the crawler belt in any one of the embodiments, so as to improve the stability and smoothness of the snow sweeping device in the moving process.

Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (12)

1. A track, comprising:

a track body;

the driving wheel and the driven wheel are arranged at two ends of the inner side of the crawler body and are in transmission connection through the crawler body;

a first frame and a second frame which are provided at opposite sides of an axial direction of the driving wheel to connect the driving wheel and the driven wheel;

the first blocking piece and the second blocking piece are arranged between the driven wheel and the driving wheel, the distance between the first blocking piece and the driving wheel is L1, and 0 < L1 < 5mm is satisfied;

the distance between the second blocking piece and the driven wheel is L2, and the distance is more than 0 and less than 5mm.

2. The crawler belt according to claim 1, wherein the value range of L1 is 0.5 mm-1.5 mm;

and/or the value range of L2 is that L2 is more than or equal to 0.5mm and less than or equal to 1.5mm.

3. The track of claim 1, wherein the track body further comprises a drive mechanism disposed on a side of the first frame adjacent the drive wheel;

the output end of the driving mechanism penetrates through the first frame body to be connected with the driving wheel.

4. The track of claim 1, wherein the first frame and the second frame are connected by a connecting member, and wherein the connecting member is located between the drive wheel and the driven wheel.

5. The track of any one of claims 1 to 4, wherein the first barrier is proximate to the drive wheel;

in a first direction, the first barrier at least partially covers the rim of the drive wheel.

6. The track of claim 5, wherein the first direction is a perpendicular direction of the first barrier toward an end of the drive wheel to an axis of the drive wheel.

7. The track as claimed in any one of claims 1 to 4 wherein the second barrier is adjacent the driven wheel;

in a second direction, the second barrier at least partially covers the rim of the driven wheel.

8. The track of claim 7, wherein the second direction is a perpendicular direction of the second barrier toward an end of the driven wheel to an axis of the driven wheel.

9. The track of claim 4, wherein the first barrier is a first bolt, one end of the first bolt being threadably connected to the connecting member, the other end of the first bolt being oriented toward the drive wheel;

and/or the second blocking piece is a second bolt, one end of the second bolt is in threaded connection with the connecting piece, and the other end of the second bolt faces the driven wheel.

10. The track of claim 4, wherein a first spacer is disposed between the first spacer and the connecting member, the first spacer being disposed through the first spacer and connected to the connecting member;

and/or a second gasket is arranged between the second blocking piece and the connecting piece, and the second blocking piece is arranged on the second gasket in a penetrating way and is connected with the connecting piece.

11. The track of claim 1, wherein the first barrier and the second barrier are telescoping rods.

12. A snow sweeping apparatus comprising a track according to any one of claims 1 to 11.