CN216464008U

CN216464008U - Bearing tool and surface oxide skin cleaning system

Info

Publication number: CN216464008U
Application number: CN202123138699.2U
Authority: CN
Inventors: 曹云飞; 王少峰; 倪涛; 李泳杰; 何龙; 汪东南; 孙兴源; 袁立军; 王喜宝
Original assignee: Hangzhou Jingu Environmental Protection Equipment Technology Co ltd
Current assignee: Hangzhou Taien Zhida Equipment Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model provides a bearing tool and surface oxide skin cleaning system, bearing tool installs on annular ground rail for bear and treat the cleaning member and remove to surface oxide skin belt cleaning device's washing intracavity along with annular ground rail, bearing tool has the exposed core including bearing the body, bears the body, and the exposed core is used for the centre gripping to treat the cleaning member, and at least some surface cover that bears the body is equipped with protective structure. The utility model provides a bearing tool that is used for bearing waiting to wash among the prior art have by the possibility that the emery wear punctures even, greatly reduced bearing tool's life's problem.

Description

Bearing tool and surface oxide skin cleaning system

Technical Field

The utility model relates to a surface scale cleaning equipment technical field particularly, relates to a bearing tool and surface scale cleaning system.

Background

In the prior art, the wet shot blasting process is characterized in that a sand-water mixture is used for striking the surface of a part to be cleaned on a spoke or a rim of a wheel, so that oxide skin on the surface of the part to be cleaned is struck, and the effect of removing the oxide skin on the surface of the part to be cleaned is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a bearing tool and surface oxide skin cleaning system to solve the bearing tool that is used for bearing waiting to wash among the prior art and exist the possibility that punctures even by the emery wear, greatly reduced bearing tool's life's problem.

In order to achieve the above object, according to the utility model discloses an aspect provides a bearing tool, installs on annular ground rail for bear and treat the washing piece and remove to surface oxide skin belt cleaning device's washing intracavity along with annular ground rail, bearing tool is including bearing the body, bears the body and has the exposed core, and the exposed core is used for the centre gripping to treat the washing piece, and at least some surface cover that bears the body is equipped with protective structure.

Further, the protective structure is detachably connected with the bearing body.

Further, the bearing body comprises a supporting component and a clamping structure, wherein the supporting component is arranged on the annular ground rail, and at least one part of the outer surface of the supporting component is covered with a protective structure; the clamping structure is arranged at one end, far away from the annular ground rail, of the supporting assembly to form a clamping end.

Further, the supporting assembly comprises a base and a supporting rod, and the base is fixedly connected with the annular ground rail; the first end of the supporting rod is connected with the base, and the second end of the supporting rod is connected with the clamping structure; wherein, the outer surface of base and/or the outer surface cover of bracing piece are equipped with protective structure.

Furthermore, the outer surface cover of bracing piece is equipped with protective structure, and protective structure includes the protective sleeve section of thick bamboo, and the protective sleeve section of thick bamboo cover is established at the periphery side of bracing piece to along the axial extension setting of bracing piece.

Further, the surface cover of bracing piece is equipped with protective structure, and protective structure includes a plurality of guard plates, and a plurality of guard plates set up around the circumference of bracing piece in order continuously to enclose into the guard space, the bracing piece is located the guard space.

Furthermore, the bearing tool also comprises a first clamping groove seat and a second clamping groove seat, wherein the first clamping groove seat is sleeved at the first end of the supporting rod and is provided with a first limiting groove, and the first end of each protection plate is limited in the first limiting groove; the second clamping groove seat is sleeved at the second end of the supporting rod and is arranged opposite to the first clamping groove seat, a second limiting groove is formed in the position, opposite to the first limiting groove, of the second clamping groove seat, and the second end of each protection plate is limited in the second limiting groove.

Furthermore, the first limiting groove and the second limiting groove are matched with the outer contour line of the polygon formed by the sequential connection and enclosure of the protection plates.

Furthermore, the supporting assembly further comprises a mounting column, the mounting column is arranged on the base and is provided with a through hole structure, and the through hole structure extends along the axial direction of the mounting column; the first end of the supporting rod penetrates through the through hole structure.

Furthermore, a through hole structure is formed in the base, and the first end of the mounting column penetrates through the through hole structure and is fixedly connected with the base; the supporting assembly further comprises a transmission chain wheel, and a driving part positioned in a cleaning cavity of the surface oxide skin cleaning device is in driving connection with the transmission chain wheel so as to drive the transmission chain wheel to rotate; the first end of the support rod passes through the through hole structure and is connected with the transmission chain wheel.

Further, at least one bearing is arranged between the circumferential outer surface of the supporting rod and the wall surface of the through hole structure.

Further, protective structure includes the protection casing, and the protection casing setting is on the base and is located drive sprocket's top, and the protection casing has been seted up with the relative position department of via hole structure and has been dodged the hole, dodges the hole and is used for dodging the erection column, and the projected area of protection casing is greater than or equal to drive sprocket's projected area.

Further, the protection casing has the drainage groove, and the drainage groove sets up along the direction downward sloping of keeping away from the base.

Furthermore, a third avoiding hole is formed in the bottom surface of the second limiting groove, and the second end of the supporting rod penetrates through the third avoiding hole and is detachably connected with the clamping structure.

According to the utility model discloses an on the other hand provides a surface oxide skin cleaning system, and surface oxide skin cleaning system includes annular ground rail, surface oxide skin belt cleaning device and bearing tool, and surface oxide skin belt cleaning device has the washing chamber, and annular ground rail passes the setting of washing chamber, and bearing tool sets up on annular ground rail, and bearing tool is foretell bearing tool.

Use the technical scheme of the utility model, be equipped with protective structure through at least partly surface cover bearing the body, protective structure plays the guard action to bearing the body, avoids the steel sand in the sand-water mixture to directly hit to beat on bearing the body to ensure to bear the life of body.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a carrier carrying wheel spoke in a cleaning chamber of a surface scale cleaning apparatus according to an alternative embodiment of the invention;

fig. 2 shows a schematic structural view of a carrier-holding wheel spoke according to an alternative embodiment of the invention;

FIG. 3 shows a schematic structural view of the carrier of FIG. 2;

FIG. 4 shows an exploded view of the carrier of FIG. 3;

FIG. 5 is a schematic exploded view of the carrier of FIG. 4 with the base, support bar and drive sprocket of the support assembly exploded;

fig. 6 shows a schematic view of the second socket housing of the carrier of fig. 4.

Wherein the figures include the following reference numerals:

1. a spoke; 2. a surface scale cleaning device; 3. a carrying tool; 4. a turbine sand blasting machine; 5. a bearing; 10. a protective structure; 11. a protection plate; 12. a protective cover; 121. a drainage groove; 20. a support assembly; 21. a base; 211. mounting a plate; 22. a support bar; 23. a drive sprocket; 24. mounting a column; 241. a via structure; 30. a clamping structure; 31. a limiting bulge; 40. a first slot seat; 41. a first limit groove; 50. a second slot seat; 51. a second limit groove; 511. a third avoidance hole; 52. and (4) a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the bearing tool that is used for bearing the weight of waiting to wash among the prior art and to have the possibility of being punctured even by the emery wearing and tearing, greatly reduced the problem of bearing tool's life, the utility model provides a bearing tool and surface oxide skin cleaning system.

As shown in fig. 1, the surface scale cleaning system includes an annular ground rail, a surface scale cleaning device 2, and a carrier 3, the surface scale cleaning device 2 having a cleaning chamber, the annular ground rail being disposed through the cleaning chamber, the carrier 3 being disposed on the annular ground rail, the carrier 3 being the carrier 3 described above and below.

As shown in fig. 1, the surface scale cleaning device 2 includes a turbo blasting machine 4, and the turbo blasting machine 4 has a blasting end disposed toward the spoke 1 passing through the cleaning chamber to spray a sand-water mixture onto the spoke 1.

It should be noted that, in this application, the bearing tool 3 is installed on the annular ground rail and is used for bearing the member to be cleaned and moving into the cleaning cavity of the surface oxide skin cleaning device 2 along with the annular ground rail, the bearing tool 3 includes a bearing body, the bearing body has a clamping end, the clamping end is used for clamping the member to be cleaned, and at least a part of the outer surface of the bearing body is covered with the protective structure 10.

Through at least partly surface cover at the bearing body be equipped with protective structure 10, protective structure 10 plays the guard action to bearing the body, avoids the steel sand in the sand-water mixture directly to hit to beat on bearing the body to ensure to bear the life of body.

Optionally, the guard structure 10 is detachably connected with the load bearing body. In this way, the protective structure 10 is convenient to mount and dismount, so that the protective structure 10 is convenient to replace, and when the protective structure 10 is subsequently worn, the protective effect on the bearing body can be realized again only by dismounting the protective structure 10 and replacing the protective structure 10 with a new one.

As shown in fig. 2 to 5, the bearing body comprises a support assembly 20 and a clamping structure 30, wherein the support assembly 20 is arranged on an annular ground rail, and at least a part of the outer surface of the support assembly 20 is covered with the protective structure 10; a clamping structure 30 is provided at the end of the support assembly 20 remote from the annular ground rail to form a clamping end. In this way, the protective structure 10 serves as a protection for the support component 20, and the clamping structure 30 can ensure the clamping reliability of the spoke 1 by the bearing body.

As shown in fig. 4, a limiting protrusion 31 is convexly arranged on the clamping structure 30, and the limiting protrusion 31 is used for limiting the spoke 1 and is connected with the limiting protrusion 31 through a fastener, so that the spoke 1 is positioned and installed on the clamping structure 30.

It should be noted that in the present application, the member to be cleaned may be a wheel disc or a wheel rim of a wheel, or may be another special-shaped member, and only the clamping structure 30 needs to be replaced to carry the corresponding wheel disc, wheel rim, or other special-shaped member.

As shown in fig. 2 to 5, the support assembly 20 includes a base 21 and a support rod 22, the base 21 is fixedly connected with the annular ground rail; the first end of the support rod 22 is connected with the base 21, and the second end of the support rod 22 is connected with the clamping structure 30; wherein the outer surface of the base 21 and/or the outer surface of the support bar 22 is covered with the protective structure 10. In this way it is ensured that the protective structure 10 is able to act as a protection for the base 21 and/or the support bar 22.

As shown in fig. 3 and 4, a mounting plate 211 is disposed on the base 21, and the base 21 is tightly connected to the annular ground rail through the mounting plate 211. Thus, the mounting stability of the base 21 is ensured.

It should be noted that, in order to reduce the dead weight of the carrying tool 3, the supporting rod 22 of the supporting component 20 is usually configured as a hollow tube structure, and the steel sand in the sand-water mixture can easily wear through the supporting rod 22, optionally, in an embodiment not shown in the drawings of the present application, the outer surface of the supporting rod 22 is covered with the protective structure 10, and the protective structure 10 includes a protective sleeve which is sleeved on the outer peripheral side of the supporting rod 22 and is configured to extend along the axial direction of the supporting rod 22. Therefore, the supporting rod 22 can be protected only by sleeving the protective sleeve on the peripheral side of the supporting rod 22, and the protection reliability of the protective sleeve on the supporting rod 22 is ensured.

As shown in fig. 2 to 5, the outer surface of the support bar 22 is covered with a protective structure 10, the protective structure 10 includes a plurality of protective plates 11, the plurality of protective plates 11 are sequentially and continuously arranged around the circumference of the support bar 22 to form a protective space, and the support bar 22 is located in the protective space. In this way, by providing the protective structure 10 in a structural form including a plurality of shield plates 11, the convenience of mounting and dismounting the protective structure 10 is ensured.

Optionally, a plurality of above-mentioned guard plates 11 are formed by the cutting of NM500 antifriction plate, and the appearance structure of each guard plate 11 is the same, ensures the cutting convenience of NM500 antifriction plate, and NM500 antifriction plate is the finished product, compares in other with bracing piece 22 or similar steel pipe with the wearability of heat treatment's mode or other means acquisition, a plurality of guard plates 11 that this application provided only need through cut NM500 antifriction plate in batches can, convenient operation and efficient.

As shown in fig. 2 to fig. 5, the carrying tool 3 further includes a first slot seat 40 and a second slot seat 50, wherein the first slot seat 40 is sleeved on the first end of the supporting rod 22, the first slot seat 40 has a first limiting groove 41, and the first end of each protection plate 11 is limited in the first limiting groove 41; the second slot seat 50 is sleeved at the second end of the support rod 22 and is arranged opposite to the first slot seat 40, a second limit slot 51 is formed at a position of the second slot seat 50 opposite to the first limit slot 41, and the second end of each protection plate 11 is limited in the second limit slot 51. In this way, the first slot seat 40 and the second slot seat 50 function as a limit for each protection plate 11, thereby ensuring the installation stability of each protection plate 11 and further ensuring the protection reliability of each protection plate 11 on the support rod 22.

As shown in fig. 2 to 5, the first and second limiting grooves 41 and 51 are adapted to the outer contour of the polygon formed by the sequentially connected guard plates 11. In this way, the first ends of the protection plates 11 are ensured to be capable of abutting against the groove wall surface of the first limiting groove 41, and the second ends of the protection plates 11 are ensured to be capable of abutting against the groove wall surface of the second limiting groove 51, so that the limiting reliability of the first slot seat 40 and the second slot seat 50 is ensured.

It should be noted that, in the present application, by providing the first limiting groove 41 on the first slot seat 40 and providing the second limiting groove 51 on the second slot seat 50, the present application limits each protection plate 11 in a slot-in-slot manner, so as to ensure the installation reliability of each protection plate 11 and also facilitate reducing the rotation diameter of the bearing tool 3, so that as can be seen in fig. 1, the through-flow channel of the surface scale cleaning device 2 in fig. 1, which is communicated with the cleaning chamber, may be narrower, that is, reference sign L in fig. 1 is the width of the through-flow channel.

Conversely, if each of the shielding plates 11 is fixed by a fastening member such as a screw, the nut of the screw protrudes from the surface of the shielding plate 11, resulting in an increase in the diameter of rotation of the carrier 3, which requires a wide flow passage.

As shown in fig. 5, the second limiting groove 51 is square to ensure that the surface of the second end of each protection plate 11 away from the support rod 22 is as close as possible to the wall surface of the second limiting groove 51, and of course, the first limiting groove 41 is also square to ensure that the surface of the first end of each protection plate 11 away from the support rod 22 is as close as possible to the wall surface of the first limiting groove 41.

As shown in fig. 2 to 5, the support assembly 20 further includes a mounting post 24, the mounting post 24 is disposed on the base 21, the mounting post 24 has a through hole structure 241, and the through hole structure 241 is disposed along an axial extension of the mounting post 24; the first end of the support rod 22 is disposed through the through-hole structure 241. In this way it is ensured that the mounting post 24 can also serve as a guard for the first end of the support rod 22.

As shown in fig. 2 to 5, a through hole structure is formed on the base 21, and a first end of the mounting post 24 passes through the through hole structure and is fixedly connected with the base 21; the supporting assembly 20 further comprises a transmission chain wheel 23, and a driving part positioned in the cleaning cavity of the surface scale cleaning device 2 is in driving connection with the transmission chain wheel 23 so as to drive the transmission chain wheel 23 to rotate; the first end of the support rod 22 passes through the through hole structure 241 and is connected with the driving sprocket 23. Thus, the mounting stability of the mounting column 24 is ensured by arranging the via hole structure on the base 21; in addition, considering that the impact flow formed by the sand-water mixture strikes the spoke 1 and has acting force for rotating the spoke 1, the transmission chain wheel 23 rotates to drive the support rod 22 to rotate, and further drive the spoke 1 to rotate.

Optionally, the driving part comprises a driving motor and a chain, the driving motor is connected with the chain in a driving way, and the chain is engaged with the transmission chain wheel 23.

As shown in fig. 2, at least one bearing 5 is provided between the circumferential outer surface of the support rod 22 and the hole wall surface of the through-hole structure 241. In this way, the rotational reliability of the support rod 22 is ensured.

It should be noted that, in the present application, considering that the steel grit in the sand-water mixture splashed in the cleaning cavity is easily accumulated on the transmission sprocket 23, and the steel grit accumulated on the transmission sprocket 23 is easily worn by the transmission sprocket 23, and even a blocking phenomenon occurs, as shown in fig. 3 and 4, the protective structure 10 includes the protective cover 12, the protective cover 12 is disposed on the base 21 and located above the transmission sprocket 23, an avoiding hole is opened at a position of the protective cover 12 opposite to the via hole structure, the avoiding hole is used for avoiding the mounting post 24, and a projection area of the protective cover 12 is greater than or equal to a projection area of the transmission sprocket 23. Thus, the protection cover 12 plays a role of protecting the transmission chain wheel 23, and prevents steel sand in the sand-water mixture splashed in the cleaning cavity from being accumulated on the transmission chain wheel 23, thereby ensuring the transmission reliability of the transmission chain wheel 23.

As shown in fig. 3 and 4, the shield 12 has a drainage groove 121, and the drainage groove 121 is provided to be inclined downward in a direction away from the base 21. Like this, drainage groove 121 plays the water conservancy diversion effect to the sand water mixture, ensures that the sand water mixture can avoid the drive sprocket 23 of bottom and flow back along drainage groove 121 and wash the recovery tank of chamber bottom to prevent to lead to drive sprocket 23 to appear blocking dead phenomenon because of piling up the steel sand on the drive sprocket 23.

As shown in fig. 2 to 6, a third avoiding hole 511 is formed on the bottom surface of the second limiting groove 51, and the second end of the supporting rod 22 passes through the third avoiding hole 511 and is detachably connected to the clamping structure 30. In this way, after the clamping structure 30 is mounted on the support rod 22, the second slot housing 50 is clamped between the clamping structure 30 and the second end of the support rod 22, and the mounting stability of the second slot housing 50 is ensured.

As shown in fig. 6, the notch 52 of the second slot housing 50 on the wall surface of the second limit slot 51 is formed during the process of machining the second limit slot 51, and similarly, the first limit slot 41 of the first slot housing 40 has a notch on the wall surface.

Optionally, the second end of the support rod 22 passes through the third relief hole 511 and is threadedly coupled to the clamping structure 30. In this way, the mounting and dismounting of the clamping structure 30 is facilitated.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A carrier tool mounted on an annular ground rail for carrying a part to be cleaned and moving with the annular ground rail into a cleaning chamber of a surface scale cleaning apparatus (2), the carrier tool comprising:

a load-bearing body;

the bearing body is provided with a clamping end used for clamping the piece to be cleaned, and at least one part of the outer surface of the bearing body is covered with a protective structure (10).

2. The carrier according to claim 1, characterized in that the protective structure (10) is detachably connected with the carrier body.

3. The carrier according to claim 1, wherein the carrier body comprises:

a support assembly (20), said support assembly (20) being arranged on said annular ground rail, at least a portion of the outer surface of said support assembly (20) being covered by said protective structure (10);

a clamping structure (30), the clamping structure (30) being arranged at an end of the support assembly (20) remote from the annular ground rail to form the clamping end.

4. The carrier according to claim 3, characterized in that the support assembly (20) comprises:

the base (21), the said base (21) is connected with the said annular ground rail fastening;

a support rod (22), a first end of the support rod (22) is connected with the base (21), and a second end of the support rod (22) is connected with the clamping structure (30);

wherein the outer surface of the base (21) and/or the outer surface of the support bar (22) is covered with the protective structure (10).

5. The load carrier according to claim 4, characterized in that the outer surface of the support bar (22) is covered with the protective structure (10), the protective structure (10) comprising:

the protection sleeve is sleeved on the peripheral side of the support rod (22) and extends along the axial direction of the support rod (22).

6. The load carrier according to claim 4, characterized in that the outer surface of the support bar (22) is covered with the protective structure (10), the protective structure (10) comprising:

a plurality of guard plates (11), it is a plurality of guard plate (11) wind the circumference of bracing piece (22) sets up with linking to each other in order to enclose into the guard space, bracing piece (22) are located in the guard space.

7. The carrier as recited in claim 6, further comprising:

the first clamping groove seat (40) is sleeved at the first end of the supporting rod (22), the first clamping groove seat (40) is provided with a first limiting groove (41), and the first end of each protection plate (11) is limited in the first limiting groove (41);

the second clamping groove seat (50) is sleeved at the second end of the supporting rod (22) and is opposite to the first clamping groove seat (40), a second limiting groove (51) is formed in the position, opposite to the first limiting groove (41), of the second clamping groove seat (50), and the second end of each protection plate (11) is limited in the second limiting groove (51).

8. The carrier according to claim 7, characterized in that the first and second limiting grooves (41, 51) are adapted to the outer contour of a polygon formed by the sequential connection of the protection plates (11).

9. The carrier according to claim 7, wherein the support assembly (20) further comprises:

a mounting post (24), the mounting post (24) being disposed on the base (21), the mounting post (24) having a through hole structure (241), the through hole structure (241) being disposed along an axial extension of the mounting post (24);

the first end of the support rod (22) is arranged through the through hole structure (241).

10. The carrier of claim 9,

a via hole structure is formed in the base (21), and the first end of the mounting column (24) penetrates through the via hole structure and is fixedly connected with the base (21);

the supporting assembly (20) further comprises a transmission chain wheel (23), and a driving part positioned in a cleaning cavity of the surface scale cleaning device (2) is in driving connection with the transmission chain wheel (23) so as to drive the transmission chain wheel (23) to rotate;

the first end of the supporting rod (22) penetrates through the through hole structure (241) and is connected with the transmission chain wheel (23).

11. The carrier according to claim 10, characterized in that at least one bearing (5) is arranged between the circumferential outer surface of the support rod (22) and the hole wall surface of the through hole structure (241).

12. The carrier according to claim 10, characterized in that the protective structure (10) comprises:

protection casing (12), protection casing (12) set up on base (21) and be located the top of drive sprocket (23), protection casing (12) with the hole of dodging has been seted up to the relative position department of via hole structure, the hole of dodging is used for dodging erection column (24), the area of projection of protection casing (12) is greater than or equal to the area of projection of drive sprocket (23).

13. The carrier according to claim 12, characterized in that the protective hood (12) has drainage slots (121), the drainage slots (121) being arranged obliquely downwards in a direction away from the base (21).

14. The carrying tool according to claim 7, wherein a third avoiding hole (511) is formed in the bottom surface of the second limiting groove (51), and the second end of the supporting rod (22) passes through the third avoiding hole (511) and is detachably connected to the clamping structure (30).

15. Surface scale cleaning system comprising an annular ground rail, a surface scale cleaning device (2) and a carrier means (3), characterized in that the surface scale cleaning device (2) has a cleaning chamber through which the annular ground rail is arranged, the carrier means (3) being arranged on the annular ground rail, the carrier means (3) being as claimed in any of claims 1 to 14.