Crown block traveling wheel and crown block

Abstract

The utility model discloses a crown block traveling wheel and a crown block. The crown block traveling wheel comprises a rotating bearing, a traveling wheel body, a bearing seat and a cleaning assembly, the walking wheel body is arranged on the rotating bearing in a sleeving mode and fixedly connected with the rotating bearing, and the walking wheel body comprises a wheel body and wheel edges arranged on the two opposite sides of the wheel body; the bearing seat is arranged on the rotating bearing in a sleeving manner and is rotationally connected with the rotating bearing; the cleaning assembly comprises a mounting frame and a brush, the mounting frame is connected with the bearing seat, the mounting frame is provided with a mounting groove, the brush comprises a brush rod and a brush head which are connected, the brush head is provided with bristles, and the brush rod is arranged in the mounting groove in a sliding mode so that the bristles can be away from or close to the wheel body. According to the wheel body cleaning device, dirt and sundries accumulated on the wheel body can be effectively removed, and the surface of the wheel body is kept clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of crown block, especially relates to a crown block walking wheel and crown block. BACKGROUND

[0002] The multifunctional crown block is the hoisting equipment for hoisting and transporting materials above the workshop, warehouse and material yard, since its two ends are located on the high cement column or metal support, the bridge of the multifunctional crown block runs longitudinally along the track laid on the high rack on both sides, can fully utilize the space under the bridge to hoist and transport materials, is not hindered by ground equipment, it is the hoisting machinery with the most extensive use and the most numerous quantity, and the walking wheel is the important walking mechanism in the multifunctional crown block.

[0003] However, the walking wheel is exposed for a long time, and when the lubrication period comes, too much oil mud and dust on the outer walking wheel, so that it cannot be cleaned and checked during lubrication, and long-term in this state may cause damage to the walking wheel. UTILITY MODEL CONTENTS

[0004] The crown block walking wheel and the crown block provided by the embodiment of the application can effectively remove dirt and sundries accumulated on the wheel body and keep the surface of the wheel body clean.

[0005] In a first aspect, the embodiment of the application provides a crown block walking wheel, which comprises a rotating bearing, a walking wheel body, a bearing seat and a cleaning assembly; the walking wheel body is sleeved on the rotating bearing and is fixedly connected with the rotating bearing, the walking wheel body comprises a wheel body and wheel edges arranged on opposite sides of the wheel body; the bearing seat is sleeved on the rotating bearing and is rotationally connected with the rotating bearing; the cleaning assembly comprises a mounting bracket and a brush, the mounting bracket is connected with the bearing seat, the mounting bracket is provided with a mounting groove, the brush comprises a brush rod and a brush head connected with each other, the brush head is provided with brush hairs, the brush rod is slidingly arranged in the mounting groove, so that the brush hairs can be away from or close to the wheel body, and the brush hairs of the brush at least contact the surface of the wheel body.

[0006] In a possible implementation manner, the brush rod is provided with a plurality of first limiting holes arranged at intervals;

[0007] The cleaning assembly further comprises a fixing device, and the fixing device fixedly connects the mounting bracket with different first limiting holes to adjust the distance between the brush hairs and the wheel body.

[0008] In a possible implementation manner, the fixing device comprises a mounting piece, a fixing piece and a first spring;

[0009] The mounting piece is formed with a mounting cavity, and the two opposite surfaces of the mounting piece are respectively provided with a first opening and a second opening which are in communication with the mounting cavity and the outside;

[0010] The fixing member comprises a column and a baffle fixed in the middle of the column, the fixing member and the first spring are installed in the installation cavity, and the first spring is abutted between the baffle and the cavity wall of the installation cavity, one end of the column extends from the first opening;

[0011] The outer surface of the mounting frame is provided with a through hole communicating with the installation groove, the groove wall of the installation groove is provided with a second limiting hole, the mounting member is installed on the mounting frame, the other end of the column extends from the second opening and extends into the installation groove through the through hole, and the other end of the column is inserted into the first limiting hole and the second limiting hole under the driving of the first spring.

[0012] In a possible implementation, the fixing member further comprises a first pull ring connected to one end of the column extending from the first opening.

[0013] In a possible implementation, the brush further comprises a second pull ring connected to one end of the brush rod away from the brush head; and / or

[0014] The brush head and the brush rod are detachably connected.

[0015] In a possible implementation, the mounting frame comprises a first frame body and a second frame body.

[0016] The first frame body is connected to the bearing seat, the second frame body is detachably connected to the first frame body, and the brush is detachably connected to the first frame body.

[0017] In a possible implementation, the bearing seat is two, and is located on both sides of the walking wheel body, one of the bearing seats is installed with one of the first frame bodies, and the opposite sides of the second frame body are detachably connected to the first frame bodies.

[0018] In a possible implementation, the first frame body is provided with an assembly groove, the opposite sides of the second frame body are provided with assembly parts, the assembly parts are inserted into the assembly groove, and the assembly parts are fixedly connected with the assembly groove.

[0019] In a possible implementation, the assembly part is provided with a mounting hole, and the first frame body is provided with a fixing hole communicating with the assembly groove and penetrating to the outer wall surface of the first frame body.

[0020] The mounting frame further comprises a locking assembly, the locking assembly comprises a second spring and a limiting member, the limiting member is provided with a limiting part, and the second spring and the limiting member are installed in the mounting hole.

[0021] When the assembling part is fixed in the assembling groove, the limiting part is abutted against the groove side wall of the assembling groove and partially located in the fixing hole under the driving of the second spring.

[0022] Based on the walking wheel of the head sheave, the rotating bearing is in transmission connection with the external driving device. Under the driving of the driving device, the rotating bearing rotates and drives the walking wheel body to rotate. The driving device can be an electric motor, a hydraulic motor or a pneumatic motor, etc. These driving devices can transmit power to the rotating bearing through a transmission system (such as gear transmission, chain transmission, etc.), thereby driving the walking wheel body to rotate. The bearing seat is fixedly installed with the external fixing frame, so that the rotating bearing 10 can be prevented from being accidentally displaced or shaken during work, ensuring stable load bearing and power transmission, thereby ensuring the normal operation of the walking wheel of the head sheave. The cleaning assembly of the present application comprises a mounting bracket and a brush, the mounting bracket is fixedly connected with the bearing seat and is provided with a mounting groove. The brush comprises a brush rod and a brush head connected with each other, the brush head is provided with bristles, and the brush rod is slidingly arranged in the mounting groove, so that the bristles can be away from or close to the wheel body. In this way, during the walking of the walking wheel body, the brush can contact the surface of the wheel body, effectively removing dirt and debris accumulated on the wheel body, keeping the surface of the wheel body clean, thereby reducing the situation of poor sliding or increased resistance of the walking wheel caused by dirt accumulation, thereby improving the working efficiency of the walking wheel of the head sheave. In addition, since the brush is movable, the position of the bristles can be adjusted as needed to meet the cleaning requirements in different situations.

[0023] In a second aspect, the embodiment of the present application provides a head sheave, comprising the walking wheel of the head sheave. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0025] Figure 1 A structural schematic diagram of a walking wheel of a head sheave provided by the embodiment of the present application;

[0026] Figure 2 A structural schematic diagram of a walking wheel of a head sheave provided by the embodiment of the present application without the second frame body and the brush;

[0027] Figure 3 An exploded schematic diagram of the second frame body and the brush provided by the embodiment of the present application;

[0028] Figure 4A second frame body cross-sectional structure schematic view provided for the embodiment of the application;

[0029] Figure 5 A disassembly schematic view of a brush provided for the embodiment of the application.

[0030] Brief Description of the Drawings

[0031] 1, head wheel; 10, rotating bearing; 20, head wheel body; 210, wheel body; 220, wheel edge; 30, bearing seat; 40, cleaning assembly; 410, mounting frame; 411, mounting groove; 412, first frame body; 4121, assembly groove; 4122, fixing hole; 413, second frame body; 4131, assembly part; 4132, mounting hole; 414, second limiting hole; 415, through hole; 420, brush; 421, brush rod; 4211, first limiting hole; 422, brush head; 423, second pull ring; 430, fixing device; 431, mounting piece; 4311, mounting cavity; 4312, first opening; 4313, second opening; 432, fixing piece; 4321, column body; 4322, baffle; 4323, first pull ring; 433, first spring; 440, locking assembly; 441, second spring; 442, limiting piece; 4421, limiting part.

[0032] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with the embodiments. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will make further detailed description on the embodiment of the application in combination with the drawings.

[0034] The following description of the example embodiments refers to the accompanying drawings, wherein like numbers refer to like parts, unless otherwise specified. The description of the embodiments described in the following example embodiments does not represent all embodiments consistent with the utility model. Instead, they are merely examples of apparatuses and methods consistent with some aspects of the utility model as detailed in the appended claims.

[0035] In the description of the utility model, it is understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, in the description of the utility model, unless otherwise specified, "multiple" refers to two or more than two. "And / or", the association between the associated objects, indicates that there can be three kinds of relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents that the associated objects before and after are a kind of "or" relationship.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0037] Firstly, please refer to Figures 1 to 2 The utility model discloses a crown block running wheel 1, including rotating bearing 10, running wheel body 20, bearing seat 30 and cleaning assembly 40.

[0038] Running wheel body 20 is covered in rotating bearing 10, and is fixedly connected with rotating bearing 10, and running wheel body 20 includes wheel body 210 and the wheel edge 220 being arranged at the opposite sides of wheel body 210. Bearing seat 30 is covered in rotating bearing 10, and is rotatably connected with rotating bearing 10. Cleaning assembly 40 includes mounting bracket 410 and brush 420, and mounting bracket 410 is connected with bearing seat 30, and mounting bracket 410 is provided with mounting groove 411, and brush 420 includes brush rod 421 and brush head 422 connected, and brush head 422 is provided with brush hair, and brush rod 421 is slidably arranged in mounting groove 411, so that the brush hair can be away from or close to wheel body 210, and the brush hair of brush 420 contacts the surface of wheel body 210 at least.

[0039] It should be noted that running wheel body 20 moves through guide rail, and wheel body 210 and wheel edge 220 jointly enclose annular groove, and when moving, guide rail is closely fitted in annular groove, plays the role of guiding and supporting, and ensures the stability and accuracy of running wheel body 20 in the moving process. It can be understood that, in order to improve the smoothness of running wheel body 20 and guide rail movement, generally lubricating oil or lubricant is used between running wheel body 20 and guide rail. However, in the working environment, dust or dust contacts lubricating material and forms oil sludge and dust accumulation on the running wheel, which can easily interfere with the normal operation of running wheel body 20.

[0040] The transmission bearing is in transmission connection with an external driving device. Under the driving of the driving device, the transmission bearing rotates and drives the walking wheel body 20 to rotate. The driving device can be an electric motor, a hydraulic motor or a pneumatic motor, etc. These driving devices can transmit power to the transmission bearing through a transmission system (such as gear transmission, chain transmission, etc.), thereby driving the walking wheel body 20 to rotate. The bearing seat 30 is fixedly installed with an external fixed frame. In this way, the transmission bearing can be prevented from being accidentally displaced or shaken during work, ensuring that it stably bears and transmits power, thereby ensuring the normal operation of the walking wheel 1 of the overhead traveling crane.

[0041] Please refer to Figure 2 and Figure 3 The cleaning assembly 40 of the present application comprises a mounting frame 410 and a brush 420. The mounting frame 410 is fixedly connected with the bearing seat 30 and is provided with a mounting groove 411. The brush 420 comprises a brush rod 421 and a brush head 422 connected with each other. The brush head 422 is provided with bristles, and the brush rod 421 is slidingly arranged in the mounting groove 411, so that the bristles can be away from or close to the wheel body 210. In this way, during the walking of the walking wheel body 20, the brush 420 can contact the surface of the wheel body 210, effectively removing dirt and debris accumulated on the wheel body 210, keeping the surface of the wheel body 210 clean, thereby reducing the situation of poor sliding or increased resistance of the walking wheel caused by dirt accumulation, thereby improving the working efficiency of the walking wheel 1 of the overhead traveling crane. In addition, since the brush 420 is movable, the position of the bristles can be adjusted as needed to meet the cleaning requirements under different conditions.

[0042] In some embodiments, please refer to Figure 5 The brush rod 421 is provided with a plurality of first limiting holes 4211 arranged at intervals. The cleaning assembly 40 further comprises a fixing device 430, which fixedly connects the mounting frame 410 with different first limiting holes 4211 to adjust the distance between the bristles and the wheel body 210. In use, the brush rod 421 is slid in the mounting groove 411 to the appropriate position, and then the fixing device 430 is fixedly connected with the matching first limiting hole 4211, thereby relatively fixing the mounting frame 410 and the brush rod 421. In this way, the distance between the bristles and the wheel body 210 can be adjusted to adapt to different working requirements or the size of the wheel body 210, and this way of operation is simple and has high stability.

[0043] In order to facilitate the sliding of the brush 420 in the installation groove 411, the brush 420 of the embodiment of the present application further comprises a second pull ring 423 connected to the end of the brush rod 421 away from the brush head 422, so that the user can pull the brush 420 through the second pull ring 423, and thus the brush rod 421 can be conveniently slid in the installation groove 411. Of course, in other embodiments, the second pull ring 423 can be replaced by a pull handle rod, a buckle slot provided at one end of the brush rod 421, or the like.

[0044] In order to facilitate the disassembly and replacement of the brush head 422, the brush head 422 of the embodiment of the present application is detachably connected with the brush rod 421. The detachable connection between the brush head 422 and the brush rod 421 includes but is not limited to buckle connection, screw connection, or the like. In this way, the brush head 422 that is seriously worn can be conveniently replaced, and the user can replace the brush head 422 of different types or specifications according to actual needs, so as to adapt to different cleaning tasks or cleaning requirements of different workpieces. In this way, the entire cleaning assembly 40 does not need to be replaced because the brush head 422 is damaged, thereby saving maintenance and replacement costs.

[0045] In some structural forms, the fixing device 430 comprises a mounting piece 431, a fixing piece 432, and a first spring 433. The mounting piece 431 is internally formed with a mounting cavity 4311, and the two surfaces of the mounting piece 431 opposite to each other are respectively provided with a first opening 4312 and a second opening 4313 communicating with the mounting cavity 4311 and the outside. The fixing piece 432 comprises a column body 4321 and a baffle 4322 fixed at the middle part of the column body 4321, the fixing piece 432 and the first spring 433 are installed in the mounting cavity 4311, and the first spring 433 abuts between the baffle 4322 and the cavity wall of the mounting cavity 4311, and one end of the column body 4321 extends from the first opening 4312. The outer surface of the mounting frame 410 is provided with a through hole 415 communicating with the installation groove 411, the groove wall of the installation groove 411 is provided with a second limiting hole 414, the mounting piece 431 is installed on the mounting frame 410, the other end of the column body 4321 extends from the second opening 4313 and extends into the installation groove 411 through the through hole 415, and the other end of the column body 4321 is inserted into the first limiting hole 4211 and the second limiting hole 414 under the driving of the first spring 433.

[0046] Specifically, the first spring 433 is sleeved on the column 4321 at one side, then the fixing member 432 and the first spring 433 are loaded into the mounting cavity 4311, and the column 4321 sleeved with the first spring 433 is extended from the first opening 4312, at this time, the two ends of the first spring 433 abut against the baffle 4322 and the cavity wall of the mounting cavity 4311 respectively. Then the mounting member 431 is fixedly connected with the mounting frame 410, at this time, the mounting cavity 4311 is communicated with the mounting slot 411, under the driving of the first spring 433, the end of the column 4321 away from the first spring 433 is extended from the second opening 4313, passes through the through hole 415 and extends into the mounting slot 411, and is inserted into the first limiting hole 4211 and the second limiting hole 414, so that the brush rod 421 and the mounting frame 410 are relatively fixed. When the column 4321 extended from the first opening 4312 is pulled, the other end of the column 4321 can be pulled away from the first limiting hole 4211 and the second limiting hole 414, so that the brush rod 421 can move in the mounting slot 411, after moving to the position, the column 4321 extended from the first opening 4312 is released, and the other end of the column 4321 is clamped to the brush rod 421 and the mounting frame 410 under the driving of the first spring 433.

[0047] It is further explained that the caliber of the first opening 4312 is adapted to the outer diameter of the column 4321, and the caliber of the second opening 4313 is adapted to the outer diameter of the baffle 4322, so that the fixing member 432 can extend into the mounting cavity 4311 from the second opening 4313, and the end of the column 4321 can extend from the first opening 4312.

[0048] In order to facilitate the fixing member 432, the first pull ring 4323 is further included, and the first pull ring 4323 is connected to the end of the column 4321 extended from the first opening 4312. In this way, the user can pull the column 4321 through the first pull ring 4323, so that the column 4321 can be conveniently slid in the mounting cavity 4311. Of course, in other embodiments, the first pull ring 4323 can be replaced by a handle rod, a buckle slot is arranged at one end of the column 4321, etc.

[0049] It should be noted that the fixing member 432, the mounting member 431 and the mounting frame 410 can be metal members, such as iron, aluminum, stainless steel, etc. In this way, the baffle 4322 can be welded in the middle of the column 4321, so as to form the fixing member 432; the mounting member 431 can also be welded on the mounting frame 410, which is convenient for mounting the fixing device 430 and the mounting frame 410. In other embodiments, the fixing member 432, the mounting member 431 and the mounting frame 410 can also be plastic members, so that the fixing member 432 can be formed by injection molding the column 4321 and the baffle 4322. The mounting member 431 and the mounting frame 410 can also be relatively fixed in the form of screwing or clamping, etc.

[0050] Of course, in other embodiments, the brush rod 421 can also be fixedly connected with the mounting frame 410 through screwing, clamping or the like, which is not limited in the present application.

[0051] In some embodiments, referring to Figures 1 to 3 , the mounting frame 410 includes a first frame body 412 and a second frame body 413. The first frame body 412 is connected to the bearing seat 30, and the second frame body 413 is detachably connected with the first frame body 412, and the brush 420 is detachably connected with the first frame body 412. Among them, the first frame body 412 can be fixedly connected with the bearing seat 30, or can be detachably connected. And the second frame body 413 can be detachably connected with the first frame body 412. In this way, the user can replace or adjust the second frame body 413 according to the needs to adapt to different cleaning tasks or working scenes. Such flexibility can improve cleaning efficiency and make the device more versatile.

[0052] In some embodiments, the bearing seat 30 is two, and is located on both sides of the walking wheel body 20, and a first frame body 412 is installed on one bearing seat 30, and the opposite sides of the second frame body 413 are detachably connected with the first frame body 412. The bearing seat 30 is located on both sides of the walking wheel body 20, which can provide more stable support and balance for the walking wheel body 20, and also can ensure the stability and reliability of the mounting frame 410 during use.

[0053] In order to facilitate the detachable connection of the first frame body 412 and the second frame body 413, referring to Figures 2 to 4 , the first frame body 412 is provided with an assembly groove 4121, and the opposite sides of the second frame body 413 are provided with assembly parts 4131, the assembly parts 4131 are inserted into the assembly groove 4121 and fixedly connected with the assembly groove 4121. Among them, the assembly part 4131 is provided with a mounting hole 4132, and the first frame body 412 is provided with a fixing hole 4122 which communicates with the assembly groove 4121 and penetrates to the outer wall surface of the first frame body 412. The mounting frame 410 further includes a locking assembly 440, and the locking assembly 440 includes a second spring 441 and a limiting piece 442, and the limiting piece 442 is provided with a limiting part 4421, and the second spring 441 and the limiting piece 442 are installed in the mounting hole 4132. Among them, in the case that the assembly part 4131 is inserted and fixed in the assembly groove 4121, the limiting part 442 abuts against the groove side wall of the assembly groove 4121 under the drive of the second spring 441, and part of the limiting part 442 is located in the fixing hole 4122.

[0054] Specifically, the limiting piece 442 is pressed so that the second spring 441 is in a compressed state, at this time, the second spring 441 and the limiting piece 442 are located in the mounting hole 4132, then the assembling part 4131 of the second frame body 413 is inserted into the assembling groove 4121 of the first frame body 412, after assembling, the second spring 441 drives the limiting piece 442 to pop out, so that the limiting part 4421 abuts against the groove side wall of the assembling groove 4121, and part of the limiting piece 442 is located in the fixing hole 4122. In this way, the first frame body 412 and the second frame body 413 can be installed and fixed. When the first frame body 412 and the second frame body 413 need to be disassembled, the limiting piece 442 located in the fixing hole 4122 is pressed, so that the limiting piece 442 is disengaged from the fixing hole 4122, and then the assembling part 4131 is pulled out from the assembling groove 4121.

[0055] Of course, in other embodiments, the first frame body 412 and the second frame body 413 can be detachably connected by clamping, screwing or the like, which is not limited in the application.

[0056] In the second aspect, the embodiment of the application also provides a crown block, which applies the crown block walking wheel 1, and thus has all the effects described above.

[0057] The same or similar reference numerals in the drawings of the embodiment correspond to the same or similar components; in the description of the utility model, it should be understood that the orientations or positional relationships indicated by terms such as "upper", "lower", "left", "right" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the utility model, for ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0058] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A crown wheel of a crown block, characterized by, The utility model relates to a walking wheel cleaning device, including: a rotating bearing; a walking wheel body sleeved on the rotating bearing and fixedly connected with the rotating bearing, the walking wheel body comprising a wheel body and wheel rims arranged on opposite sides of the wheel body; a bearing seat sleeved on the rotating bearing and rotatably connected with the rotating bearing; and a cleaning assembly comprising a mounting frame and a brush, the mounting frame being connected with the bearing seat, the mounting frame being provided with a mounting slot, the brush comprising a brush rod and a brush head connected with each other, the brush head being provided with brush hairs, the brush rod being slidingly arranged in the mounting slot so that the brush hairs can be away from or close to the wheel body, and the brush hairs at least contacting the surface of the wheel body.

2. The head wheel as claimed in claim 1, wherein, The brush rod is provided with a plurality of first limiting holes arranged at intervals; The cleaning assembly further comprises a fixing device, the fixing device fixedly connecting the mounting frame with different first limiting holes to adjust the distance between the brush hairs and the wheel body.

3. The head wheel as defined in claim 2 wherein, The fixing device comprises a mounting piece, a fixing piece and a first spring; The mounting piece is formed with a mounting cavity, and the two opposite surfaces of the mounting piece are respectively provided with a first opening and a second opening communicating with the mounting cavity and the outside; The fixing piece comprises a column and a baffle fixed in the middle of the column, the fixing piece and the first spring are installed in the mounting cavity, and the first spring is abutted between the baffle and the cavity wall of the mounting cavity, and one end of the column extends from the first opening; The outer surface of the mounting frame is provided with a through hole communicating with the mounting slot, the slot wall of the mounting slot is provided with a second limiting hole, the mounting piece is installed on the mounting frame, the other end of the column extends from the second opening and extends into the mounting slot through the through hole, and the other end of the column is inserted into the first limiting hole and the second limiting hole under the driving of the first spring.

4. The head wheel as set forth in claim 3, wherein The fixing piece further comprises a first pull ring connected to one end of the column extending from the first opening.

5. The head wheel as defined in claim 1 wherein, The brush further comprises a second pull ring connected to one end of the brush rod away from the brush head; and / or The brush head and the brush rod are detachably connected.

6. The head wheel of claim 1, wherein, The mounting frame comprises a first frame body and a second frame body; The first frame body is connected with the bearing seat, the second frame body is detachably connected with the first frame body, and the brush is detachably connected with the first frame body.

7. The head wheel as set forth in claim 6, wherein The bearing seat is two and is located on the two sides of the walking wheel body respectively, one of the bearing seats is installed with one of the first frame bodies, and the opposite sides of the second frame body are detachably connected with the first frame bodies.

8. The head wheel as set forth in claim 7, wherein, The first frame body is provided with an assembly slot, and the opposite sides of the second frame body are provided with assembly parts which are inserted into the assembly slot and fixedly connected with the assembly slot.

9. The headwheel of claim 8, wherein, The assembly part is provided with a mounting hole, and the first frame body is provided with a fixing hole communicating with the assembly slot and penetrating to the outer wall surface of the first frame body; The mounting frame further comprises a locking assembly, the locking assembly comprising a second spring and a limiting piece, the limiting piece being provided with a limiting part, and the second spring and the limiting piece being installed in the mounting hole. Wherein, in the case that the assembling part is fixedly inserted into the assembling groove, the limiting part is abutted against the groove side wall of the assembling groove and partially located in the fixing hole under the driving of the second spring.

10. A headgear characterized by, The headgear includes the headgear traveling wheel of any one of claims 1 to 9.

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