Electric wall scrubber

Abstract

The present invention provides an electric wall brush, comprising a housing and a No. 1 fixing seat therein, a cleaning brush, a rotating shaft, a No. 2 fixing seat, a passive gear, an intermediate gear, a driving gear, a No. 3 fixing seat, and a driving motor. The electric wall brush of the present invention solves the problems in the prior art of using a wire brush to brush the wall, resulting in poor brushing quality, a large amount of mud and debris adhering to the surface of the locking pipe, and affecting the water-stopping effect of the underground continuous wall. By using an electric wall brush device for underground continuous walls of the present invention, it is possible to achieve 360° all-round (vertical and horizontal directions) brushing of the locking pipe joint without dead angles, greatly improving the brushing quality, saving the labor cost of traditional wire brushing, improving brushing efficiency, saving brushing time, and reducing the cost of taking leak-proof measures due to poor brushing quality and leakage of the underground continuous wall.

Description

Technical Field

[0001] The invention belongs to the field of construction engineering, and in particular relates to an electric wall brush. Background Art

[0002] A locking pipe refers to a device that forms a semicircular construction joint when the underground continuous wall is constructed in sections according to unit slots. The function of the locking pipe is to better fit the adjacent slot ends of the ground continuous wall and prevent water seepage. It is to stabilize the steel cage of the continuous wall and ensure that the concrete disturbance is well controlled. A large amount of mud and debris adheres to the surface of the circular locking pipe, which may cause leakage at the joint and affect the water-stopping effect of the underground continuous wall. At present, most of the wall brushes for underground continuous walls use wire brushes to brush the wall under vertical gravity. The wire brush brushes the wall up and down reciprocatingly, and the brushing surface is single, which wastes labor, takes a long time to brush the wall, and the brushing quality is poor. It is easy to produce mud, which affects the quality of the underground continuous wall. Summary of the Invention

[0003] In view of this, the present invention aims to provide an electric wall brush to solve the problems existing in the prior art.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] An electric wall brush comprises a box body and a No. 1 fixing seat, a cleaning brush, a rotating shaft, a No. 2 fixing seat, a passive gear, an intermediate gear, a driving gear, a No. 3 fixing seat and a driving motor therein. One end of the rotating shaft is rotatably connected to the No. 1 fixing seat and fixedly connected to the box body, and the other end passes through the cleaning brush, the No. 2 fixing seat and the passive gear and is rotatably connected to the No. 3 fixing seat. The rotating shaft is fixedly sleeved with the cleaning brush, and movably sleeved with the No. 2 fixing seat. The top of the No. 1 fixing seat is slidably connected to the box body, one side of the No. 1 fixing seat is fixedly connected to one side of the top of the driving motor, and one side of the bottom of the driving motor is fixedly connected to the No. 2 fixing seat. The output shaft of the driving motor is fixedly connected to the driving gear, one side of the driving gear is meshed with the intermediate gear for transmission, and one side of the intermediate gear is meshed with the driven gear for transmission. The bottom of the No. 3 fixing seat is slidably connected to the box body, and the driving motor is connected to the controller through a driver signal.

[0006] Furthermore, the cleaning brush includes a cleaning outer ring, a cleaning inner ring, several telescopic rods and several brushes. The cleaning inner ring and the cleaning outer ring are both circular ring structures. The inner wall of the cleaning inner ring is fixedly sleeved with a rotating shaft, and several telescopic rods are evenly distributed around the outer wall. The other end of each telescopic rod is fixedly connected to the inner wall of the cleaning outer ring, and several brushes are evenly distributed around the outer wall of the cleaning outer ring.

[0007] Furthermore, the telescopic rod includes a telescopic sleeve and a telescopic sleeve rod. The telescopic sleeve is a hollow cylindrical structure. Several adjustment holes are evenly arranged axially on the surface of the telescopic sleeve. One end of the telescopic sleeve is fixedly connected to the outer wall of the cleaning inner ring, and the other end is movably connected to one end of the telescopic sleeve rod. One end of the telescopic sleeve rod is fixedly connected to the inner wall of the cleaning outer ring.

[0008] Furthermore, the cleaning outer ring includes several outer ring sleeves and several outer ring inner cores. The outer ring sleeves and the outer ring inner cores are both hollow arc structures. Each outer ring sleeve is slidably connected to an outer ring inner core, and the outer ring sleeves and the outer ring inner core form a circular ring structure. No. 3 clamping rings are fixed on the inner walls at both ends of the outer ring sleeve, and No. 4 clamping rings are fixed on the outer walls at both ends of the outer ring inner core. The No. 3 clamping ring and the No. 4 clamping ring are both circular ring structures with rectangular cross-sections, and the two are used in combination.

[0009] Furthermore, the No. 1 fixed seat includes a fixed body and a fixed slide tube. The fixed body is a hollow disc structure. The top of the fixed body is slidably connected to the box body. The fixed body rotates inside the sleeve and the rotating shaft. One side of the fixed body is fixedly connected to the fixed slide tube, and the other end of the fixed slide tube is fixedly connected to the drive motor. The structures of the No. 1 fixed seat, the No. 2 fixed seat, and the No. 3 fixed seat are the same.

[0010] Furthermore, the fixed sliding tube includes a fixed sleeve, a sliding sleeve and a fixed sleeve. The fixed sleeve is a hollow cylindrical structure. One end of the fixed sleeve is fixedly connected to the fixed body, and the outer wall of the other end is fixedly sleeved to the fixed sleeve. The inner wall is slidably connected to one end of the sliding sleeve, and the other end of the sliding sleeve is fixedly connected to the drive motor. A No. 2 clamping ring is provided on the inner wall of the sliding sleeve, and a No. 1 clamping ring is fixed on the inner wall of the fixed sleeve near the sliding sleeve. Both the No. 2 clamping ring and the No. 1 clamping ring are circular ring structures with a rectangular cross-section, and the two are used in combination.

[0011] Furthermore, the box body is a rectangular shell structure, with two protrusions on the top of the box body and two tilting frames on one side of the bottom, and the protrusions are arc-shaped structures.

[0012] Furthermore, a counterweight is provided inside the box.

[0013] Furthermore, the driving gear is an eccentric wheel.

[0014] Furthermore, the controller is a PLC, the model of the controller is S7-200N, and the driving motor is a servo motor, the model of the driving motor is ZKQ-1250A.

[0015] Compared with the prior art, the electric wall brush of the present invention has the following advantages:

[0016] (1) The electric wall brush of the present invention solves the problems in the prior art of poor wall brushing quality caused by wire brushes, and a large amount of mud and debris adhering to the surface of the lock pipe, which affects the water-stopping effect of the underground continuous wall. The electric wall brush device of the underground continuous wall of the present invention can realize 360° all-round (vertical and horizontal directions) wall brushing at the lock pipe joint without dead angles, greatly improving the wall brushing quality, saving the labor cost of traditional wire brush wall brushing, saving wall brushing time, and reducing the cost of taking leakage-stopping measures due to poor wall brushing quality and underground continuous wall leakage.

[0017] (2) The electric wall brush of the present invention has an arc-shaped protrusion on the top of its housing to ensure that it can completely fit the circular lock tube when brushing the wall, thereby ensuring the quality of the wall brushing. There is a certain tilt frame at the bottom to prevent the wall brush from scratching the underground continuous wall during the brushing process, thereby affecting the quality of the wall.

[0018] (3) The electric wall brush of the present invention has an eccentric wheel as its driving gear. When the eccentric wheel rotates, it can drive the passive gear and the intermediate gear to drive the rotating shaft to slide back and forth along the box body, thereby making the lock pipe clean more thoroughly.

[0019] (4) The cleaning brush of the electric wall brush of the present invention can not only rotate with the rotation shaft, but also be adjustable in size so as to be suitable for lock-mouth pipes of different sizes. This not only can completely flush the lock-mouth pipe joints, but also improves the practicality of the electric wall brush. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a front view of the overall structure of the electric wall brush according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of the overall structure of the electric wall brush according to an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the connection between the passive gear, intermediate gear, and active gear of the electric wall brush according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the fixed sliding tube structure of the electric wall brush according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the electric wall scrubber cleaning brush in a closed state according to an embodiment of the present invention;

[0026] Figure 6This is a schematic diagram of the extended state of the cleaning brush of the electric wall scrubber according to an embodiment of the present invention;

[0027] Figure 7 for Figure 6 A magnified view of middle A;

[0028] Figure 8 This is a schematic diagram of the electric wall brush crane in the lifting state according to an embodiment of the present invention;

[0029] Description of reference numerals:

[0030] 1- No. 1 fixing seat; 101- fixed body; 102- fixed sliding tube; 1021- fixed sleeve; 10211- No. 1 snap ring; 1022- sliding sleeve; 10221- No. 2 snap ring; 1023- fixed sleeve; 2- cleaning brush; 201- cleaning outer ring; 2011- outer ring sleeve; 20111- No. 3 snap ring; 2012- outer ring inner core; 20121- No. 4 snap ring; 202- brush; 203- cleaning inner ring; 204- telescopic rod; 2041- telescopic sleeve; 20411- adjustment hole; 2042- telescopic sleeve rod; 3- rotating shaft; 4- No. 2 fixing seat; 5- driven gear; 6- intermediate gear; 7- driving gear; 8- No. 3 fixing seat; 9- driving motor; 10- counterweight; 11- box body; 1101- protrusion; 1102- tilt frame. DETAILED DESCRIPTION

[0031] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0034] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0035] like Figures 1 to 8 As shown, the electric wall brush comprises a box body 11 and a No. 1 fixing seat 1, a cleaning brush 2, a rotating shaft 3, a No. 2 fixing seat 4, a passive gear 5, an intermediate gear 6, a driving gear 7, a No. 3 fixing seat 8 and a driving motor 9 therein. One end of the rotating shaft 3 is rotatably connected to the No. 1 fixing seat 1 and fixedly connected to the box body 11, and the other end passes through the cleaning brush 2, the No. 2 fixing seat 4, and the passive gear 5 and is rotatably connected to the No. 3 fixing seat 8. The rotating shaft 3 is fixedly sleeved with the cleaning brush 2, and the rotating shaft 3 is movably sleeved with the No. 2 fixing seat 4. The top of the No. 1 fixing seat 1 is slidably connected to the box body 11, one side of the No. 1 fixing seat 1 is fixedly connected to the top side of the driving motor 9, and the bottom side of the driving motor 9 is fixedly connected to the No. 2 fixing seat 4. The output shaft of the driving motor 9 is fixedly connected to the driving gear 7, one side of the driving gear 7 is meshed with the intermediate gear 6 for transmission, and one side of the intermediate gear 6 is meshed with the driven gear 5 for transmission, and the bottom of the No. 3 fixing seat 8 is slidably connected to the box body 11 The driving motor 9 is connected to the controller through the driver signal. The brush of the traditional wall brusher is fixed on the box body and can only brush the lock pipe joint up and down on one side. The flushing surface is not complete and the quality of the wall brushing cannot be guaranteed. The present invention drives the brush 360° to rotate through the driving motor 9 to brush the wall without dead angles (vertical and horizontal directions), and can flush the entire surface of the lock pipe to ensure that there is no debris and mud, thereby ensuring the quality of the wall. It solves the problem of wire brushes brushing the wall in the prior art, poor wall brushing quality, and a large amount of mud and debris attached to the surface of the lock pipe, which affects the water-stopping effect of the underground continuous wall. The use of an electric wall brush device for underground continuous wall of the present invention can achieve 360° all-round, dead-angle-free wall brushing at the lock pipe joint, greatly improving the wall brushing quality, saving the labor cost of traditional wire brushes, saving wall brushing time, and reducing the cost of taking plugging measures due to poor wall brushing quality and leakage of underground continuous wall.

[0036] The cleaning brush 2 includes a cleaning outer ring 201, a cleaning inner ring 203, a plurality of telescopic rods 204 and a plurality of brushes 202. The cleaning inner ring 203 and the cleaning outer ring 201 are both circular structures. The inner wall of the cleaning inner ring 203 is fixedly sleeved with the rotating shaft 3, and a plurality of telescopic rods 204 are evenly distributed around the outer wall. The other end of each telescopic rod 204 is fixedly connected to the inner wall of the cleaning outer ring 201. A plurality of brushes 202 are evenly distributed around the outer wall of the cleaning outer ring 201. The cleaning brush 2 can rotate with the rotation shaft 3, so that the lock pipe joint can be completely flushed.

[0037] The telescopic rod 204 includes a telescopic sleeve 2041 and a telescopic sleeve rod 2042. The telescopic sleeve 2041 is a hollow cylindrical structure. A number of adjustment holes 20411 are evenly arranged axially on the surface of the telescopic sleeve 2041. One end of the telescopic sleeve 2041 is fixedly connected to the outer wall of the cleaning inner ring 203, and the other end is movably connected to one end of the telescopic sleeve rod 2042. One end of the telescopic sleeve rod 2042 is fixedly connected to the inner wall of the cleaning outer ring 201. In actual use, the size of the cleaning brush 2 can be adjusted by adjusting the length of the telescopic sleeve 2041 and the telescopic sleeve rod 2042.

[0038] The cleaning outer ring 201 includes a plurality of outer ring sleeves 2011 and a plurality of outer ring inner cores 2012. The outer ring sleeves 2011 and the outer ring inner cores 2012 are both hollow arc structures. An outer ring inner core 2012 is slidably sleeved inside each outer ring sleeve 2011, and the outer ring sleeve 2011 and the outer ring inner core 2012 form a circular ring structure. A No. 3 clamping ring 20111 is fixed to the inner wall at both ends of the outer ring sleeve 2011, and a No. 4 clamping ring 20121 is fixed to the outer wall at both ends of the outer ring inner core 2012. The No. 3 clamping ring 20111 and the No. 4 clamping ring 20121 are both circular ring structures with rectangular cross sections, and the two are used in combination. The No. 3 clamping ring 20111 and the No. 4 clamping ring 20121 are on the outer ring. When the ring sleeve 2011 and the outer ring inner core 2012 are adjusted, the outer ring sleeve 2011 and the outer ring inner core 2012 can be prevented from detaching. The outer ring sleeve 2011 and the outer ring inner core 2012 can adjust the size of the clean outer ring 201. The maximum length of the circular ring formed by the outer ring sleeve 2011 and the outer ring inner core 2012 is set to L1. When the telescopic rod 204 is at the maximum adjustment length, the length of the circular ring formed by the outer ring sleeve 2011 and the outer ring inner core 2012 is set to L2. L2 is less than or equal to L1. L2 is less than or equal to L1 to avoid the telescopic rod 204 being at the maximum adjustment length. The outer ring sleeve 2011 and the outer ring inner core 2012 can adjust the size of the clean outer ring 201 along with the telescopic rod 204.

[0039] The No. 1 fixing seat 1 includes a fixing body 101 and a fixing slide tube 102. The fixing body 101 is a hollow disc structure. The top of the fixing body 101 is slidably connected to the box body 11. The fixed body 101 rotates and sleeves the rotating shaft 3 inside. One side of the fixing body 101 is fixedly connected to the fixing slide tube 102, and the other end of the fixed slide tube 102 is fixedly connected to the driving motor 9. The No. 1 fixing seat 1, the No. 2 fixing seat 4, and the No. 3 fixing seat 8 have the same structure. The No. 1 fixing seat 1 can prevent the rotating shaft 3 from detaching from the box body 11.

[0040] The fixed sliding tube 102 includes a fixed sleeve 1021, a sliding sleeve 1022 and a fixed sleeve 1023. The fixed sleeve 1021 is a hollow cylindrical structure. One end of the fixed sleeve 1021 is fixedly connected to the fixed body 101, and the outer wall of the other end is fixedly sleeved to the fixed sleeve 1023. The inner wall is slidably connected to one end of the sliding sleeve 1022. The other end of the sliding sleeve 1022 is fixedly connected to the drive motor 9. The inner wall of the sliding sleeve 1022 is provided with a second clamping ring 10221. The fixed sleeve 1021 is close to the inner wall of the sliding sleeve 1022. A No. 1 snap ring 10211 is fixed to the wall, and the No. 2 snap ring 10221 and the No. 1 snap ring 10211 are all circular ring structures with rectangular cross-sections, and the two are used in conjunction with each other. The fixed sliding tube 102 can move along with the rotating shaft 3 when the driving gear 7 drives the rotating shaft 3 to move back and forth along the box body 11, which not only plays a fixing role, but also prevents the rotating shaft 3 from detaching from the box body 11. The No. 2 snap ring 10221 and the No. 1 snap ring 10211 can prevent the fixed sleeve 1021 and the sliding sleeve 1022 from detaching when the fixed sleeve 1021 and the sliding sleeve 1022 are adjusted.

[0041] The box 11 is a rectangular parallelepiped shell structure, with two protrusions 1101 on the top and two tilting brackets 1102 on one side of the bottom. The protrusions 1101 are arc-shaped structures. The arc-shaped protrusions 1101 on the top of the box 11 ensure that the wall brush can completely fit the circular lock tube during wall brushing, which can ensure the wall brushing quality. The tilting bracket 1102 at the bottom prevents the wall brush from scratching the underground continuous wall during the wall brushing process, which may affect the wall quality.

[0042] A counterweight 10 is further provided inside the box 11 to balance the weight of the drive motor 9 and other components.

[0043] The driving gear 7 is an eccentric wheel, which can drive the driven gear 5 and the intermediate gear 6 to rotate and drive the rotating shaft 3 to slide back and forth along the box body 11, so that the lock pipe joint can be cleaned more thoroughly.

[0044] The controller is a PLC, the model of the controller is S7-200N, the drive motor 9 is a servo motor, the model of the drive motor 9 is ZKQ-1250A.

[0045] The working principle of electric wall brush:

[0046] During installation, the staff starts the crane, which lifts the electric wall scrubber at a certain angle in the air. By adjusting the counterweight and the position of the hanging point, the box 11 is ensured to be vertical when entering the wall. If the wall at the corner is a special angle, the counterweight and the position of the hanging point can also be adjusted to match the angle of the wall and then the wall scrubber is lowered into the wall for wall scrubbing.

[0047] During use, the staff starts the controller, and the controller controls the driving motor 9 to work. The output shaft of the driving motor 9 rotates to drive the driving gear 7 to rotate. The driving gear 7 rotates to drive the intermediate gear 6 and the driven gear 5 to rotate in turn. The driven gear 5 is fixedly connected to the rotating shaft 3. The driven gear 5 drives the rotating shaft 3 to rotate. The rotation of the rotating shaft 3 drives the cleaning brush 2 to rotate. At the same time, because the driving gear 7 is an eccentric wheel, the intermediate gear 6 and the driven gear 5 move back and forth along the direction of the box body 11 while rotating. The intermediate gear 6 and the driven gear 5 move back and forth along the direction of the box body 11, driving the rotating shaft 3 to move along the direction of the box body 11.

[0048] When the size of the cleaning brush 2 needs to be adjusted, the size of the cleaning brush 2 can be adjusted by adjusting the length of the telescopic sleeve 2041 and the telescopic sleeve rod 2042. Specifically, the staff determines the length of the telescopic rod 204 in advance according to actual needs (the extension of the telescopic rod 204 drives the size of the cleaning outer ring 201 to increase), and then passes the bolt through the adjustment hole 20411 to fix the length of the telescopic rod 204.

[0049] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Electric wall brush, characterized by: The invention comprises a box body (11) and a No. 1 fixing seat (1), a cleaning brush (2), a rotating shaft (3), a No. 2 fixing seat (4), a passive gear (5), an intermediate gear (6), a driving gear (7), a No. 3 fixing seat (8) and a driving motor (9) therein. One end of the rotating shaft (3) is rotatably connected to the No. 1 fixing seat (1) and fixedly connected to the box body (11). The other end passes through the cleaning brush (2), the No. 2 fixing seat (4) and the passive gear (5) and is rotatably connected to the No. 3 fixing seat (8). The rotating shaft (3) is fixedly sleeved with the cleaning brush (2). The rotating shaft (3) is fixedly sleeved with the No. 2 fixing seat (4). The movable sleeve is provided, the top of the No. 1 fixing seat (1) is slidably connected to the box body (11), one side of the No. 1 fixing seat (1) is fixedly connected to the top side of the driving motor (9), the bottom side of the driving motor (9) is fixedly connected to the No. 2 fixing seat (4), the output shaft of the driving motor (9) is fixedly connected to the driving gear (7), one side of the driving gear (7) is meshed with the intermediate gear (6) for transmission, and one side of the intermediate gear (6) is meshed with the driven gear (5) for transmission, the bottom of the No. 3 fixing seat (8) is slidably connected to the box body (11), and the driving motor (9) is connected to the controller through the driver signal; The cleaning brush (2) comprises a cleaning outer ring (201), a cleaning inner ring (203), a plurality of telescopic rods (204) and a plurality of brushes (202); the cleaning inner ring (203) and the cleaning outer ring (201) are both circular ring structures; the inner wall of the cleaning inner ring (203) is fixedly sleeved with a rotating shaft (3); the outer wall is uniformly distributed with a plurality of telescopic rods (204); the other end of each telescopic rod (204) is fixedly connected to the inner wall of the cleaning outer ring (201); and the outer wall of the cleaning outer ring (201) is uniformly distributed with a plurality of brushes (202); The cleaning outer ring (201) comprises a plurality of outer ring sleeves (2011) and a plurality of outer ring inner cores (2012), the outer ring sleeves (2011) and the outer ring inner cores (2012) both being hollow arc-shaped structures, an outer ring inner core (2012) being slidably sleeved inside each outer ring sleeve (2011), and the outer ring sleeve (2011) and the outer ring inner core (2012) forming a circular ring structure, a No. 3 snap ring (20111) being fixedly provided on the inner walls at both ends of the outer ring sleeve (2011), and a No. 4 snap ring (20121) being fixedly provided on the outer walls at both ends of the outer ring inner core (2012), the No. 3 snap ring (20111) and the No. 4 snap ring (20121) both being circular ring structures with rectangular cross sections, and the two being used in combination; A counterweight (10) is also provided inside the box (11).

2. The electric wall brush according to claim 1, characterized in that: The telescopic rod (204) comprises a telescopic sleeve (2041) and a telescopic sleeve rod (2042). The telescopic sleeve (2041) is a hollow cylindrical structure. A plurality of adjustment holes (20411) are evenly arranged axially on the surface of the telescopic sleeve (2041). One end of the telescopic sleeve (2041) is fixedly connected to the outer wall of the cleaning inner ring (203), and the other end is movably sleeved to one end of the telescopic sleeve rod (2042). One end of the telescopic sleeve rod (2042) is fixedly connected to the inner wall of the cleaning outer ring (201).

3. The electric wall brush according to claim 1, characterized in that: The No. 1 fixing seat (1) comprises a fixing body (101) and a fixing slide tube (102); the fixing body (101) is a hollow disc structure; the top of the fixing body (101) is slidably connected to the box body (11); the interior of the fixing body (101) is rotatably sleeved with a rotating shaft (3); one side of the fixing body (101) is fixedly connected to the fixing slide tube (102); the other end of the fixing slide tube (102) is fixedly connected to a driving motor (9); the No. 1 fixing seat (1), the No. 2 fixing seat (4), and the No. 3 fixing seat (8) have the same structure.

4. The electric wall brush according to claim 3, characterized in that: The fixed sliding tube (102) comprises a fixed sleeve (1021), a sliding sleeve (1022) and a fixed sleeve (1023). The fixed sleeve (1021) is a hollow cylindrical structure. One end of the fixed sleeve (1021) is fixedly connected to the fixed body (101), and the outer wall of the other end is fixedly sleeved to the fixed sleeve (1023). The inner wall is slidably connected to one end of the sliding sleeve (1022). The other end of the sliding sleeve (1022) is fixedly connected to the driving motor (9). A second clamping ring (10221) is provided on the inner wall of the sliding sleeve (1022). A first clamping ring (10211) is fixedly provided on the inner wall of the fixed sleeve (1021) close to the sliding sleeve (1022). Both the second clamping ring (10221) and the first clamping ring (10211) are circular ring structures with rectangular cross sections, and the two are used in combination.

5. The electric wall brush according to claim 1, characterized in that: The box body (11) is a rectangular parallelepiped shell structure. Two protrusions (1101) are provided on the top of the box body (11), and two tilting frames (1102) are provided on one side of the bottom. The protrusions (1101) are arc-shaped structures.

6. The electric wall brush according to claim 1, characterized in that: The driving gear (7) is an eccentric wheel.

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