Building curtain wall cleaning device and using method thereof

Abstract

The invention relates to the technical field of curtain wall cleaning, in particular to a building curtain wall cleaning device and a using method thereof. The cleaning device is installed on a roof and located on the outer side of a curtain wall body, and comprises a fixing frame installed on the roof, the two control pieces are vertically arranged at intervals; the plurality of cleaning brush groups are arranged between the two control pieces and are connected end to end; the water spraying assembly is arranged on the outer side of the cleaning brush set and used for spraying water to the curtain wall body; and the driving assembly is mounted on the fixing frame. The curtain wall cleaning device has the beneficial effects that by arranging the control pieces and the cleaning brush set and the water spraying assembly located between the two control pieces, the cleaning brush set moves up and down along the control pieces, meanwhile, the curtain wall body is cleaned through rotation, water is sprayed to the cleaning brush set or directly to the curtain wall body, and cleaning is convenient. The length of the cleaning brush set is adjusted, and the relative position of the brushes is changed, so that the cleaning position is changed, and sanitary dead angles are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of curtain wall cleaning, and particularly to a building curtain wall cleaning device and a using method thereof. Background Art

[0002] A glass curtain wall refers to an architectural exterior enclosure structure or decorative structure whose supporting structure system can have a certain displacement ability relative to the main structure and does not bear the actions received by the main structure. The wall has two types: single-layer and double-layer glass. The glass curtain wall is an aesthetically novel method for decorating building walls and is a remarkable feature of the modernist high-rise building era.

[0003] However, in our actual life, we found that there are only two existing methods for curtain wall cleaning. One is to lift a person to the working position with a suspension rope and a hanging board for cleaning. The operation of this method must ensure that safety measures are in place, otherwise it is very dangerous.

[0004] Therefore, the present invention proposes a building curtain wall cleaning device and a using method thereof. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects of the prior art, and provide a building curtain wall cleaning device and a using method thereof, so as to solve the problem that when cleaning the curtain wall, it is necessary to lift workers to the working position and manually use tools for cleaning, which has certain safety risks.

[0006] The technical solution for achieving the above purpose is as follows:

[0007] The present invention provides a building curtain wall cleaning device, which is installed on the roof and located outside the curtain wall body. The cleaning device includes:

[0008] A fixing frame installed on the roof;

[0009] Two vertically arranged and spaced control members;

[0010] A plurality of cleaning brush groups arranged between the two control members and connected end to end. The cleaning brush groups can rotate and their height can be adjusted. The length of the cleaning brush groups can be adjusted, and the outer surface is provided with bristles. By adjusting the length of the cleaning brush groups, the contact position between the bristles and the curtain wall body can be changed, so as to change the cleaning position;

[0011] A water spraying assembly arranged outside the cleaning brush groups for spraying water on the curtain wall body, and the water spraying assembly is adjusted synchronously in height with the cleaning brush groups;

[0012] A driving assembly installed on the fixing frame for adjusting the height of the cleaning brush groups and the water spraying assembly.

[0013] Further, the cleaning assembly includes a first cleaning brush and a second cleaning brush in the shape of a cylinder. Sliding grooves are spacedly provided on the first cleaning brush and the second cleaning brush. A sliding block is arranged between two adjacent sliding grooves on the first cleaning brush, and the sliding block is slidably arranged in the sliding groove of the second cleaning brush.

[0014] Further, it also includes a connecting piece arranged between two adjacent cleaning brush groups. The connecting piece includes:

[0015] A plurality of connecting rods arranged at the ends of the corresponding cleaning brush groups;

[0016] A connecting plate arranged at the end of the corresponding cleaning brush group. A plurality of connecting grooves adapted to the corresponding connecting rods are provided on the connecting plate;

[0017] A plurality of exhaust holes opened on the side surface of the connecting plate. The exhaust holes are communicated with the corresponding connecting grooves; and

[0018] A plurality of rubber blocks. The rubber blocks are plugged in the corresponding exhaust holes.

[0019] Further, it also includes two clamping assemblies for clamping the cleaning brush groups and the water spraying assembly. The two clamping assemblies are movably arranged on the corresponding control parts. Each clamping assembly includes:

[0020] A clamping plate. The clamping plate is in an L shape and one end is slidably arranged on the control part. The cleaning brush group and the water spraying assembly are rotatably arranged inside the clamping plate, and the water spraying angle is adjusted by rotating the water spraying assembly;

[0021] A gear rack fixedly arranged on the clamping plate and a rotating gear rotatably arranged on the gear rack. One end of the corresponding cleaning brush group is fixedly provided with a control gear meshing with the rotating gear, so as to drive the control gear and the cleaning brush group to rotate through the driving of the rotating gear.

[0022] Further, it also includes a second motor arranged on the gear rack. The output shaft of the second motor is coaxially fixed with the rotating gear.

[0023] Further, the control part includes:

[0024] A winding strip. The upper end of the winding strip can be wound, and a sliding groove is longitudinally opened on one side of the winding strip away from the cleaning brush group. One end of the clamping plate is slidably arranged in the sliding groove;

[0025] A control groove opened on the winding strip. The control groove is longitudinally arranged along the length direction of the winding strip, and the winding strip is arranged on the side away from the curtain wall body;

[0026] A rack provided in the control groove, and the rack meshes with the control gear.

[0027] Furthermore, the driving assembly includes:

[0028] A driving rod rotatably provided on the fixed frame;

[0029] A first motor fixedly provided on the fixed frame, and the first motor is drivingly connected to the driving rod;

[0030] Two winding discs respectively fixedly provided at both ends of the driving rod, and the upper ends of the two winding strips are fixed and wound around the corresponding winding discs.

[0031] Furthermore, the water spraying assembly includes:

[0032] A plurality of water storage bins, and the plurality of water storage bins are connected end to end and internally communicated;

[0033] A plurality of nozzles provided at the bottom of the water storage bins, and the nozzles are inclined towards the curtain wall body; and

[0034] A water connection pipe provided on the corresponding water storage bin.

[0035] The present invention also provides a usage method of a building curtain wall cleaning device, which specifically includes the following steps:

[0036] Adjust the lengths of the plurality of cleaning brush groups;

[0037] Rotate the plurality of cleaning brush groups to drive the brush to clean the curtain wall body, and at the same time adjust the height of the cleaning brush group along the control member to clean different height positions of the curtain wall body;

[0038] While the cleaning brush group is rotating, make the water spraying assembly spray water on the curtain wall body.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] By providing a control member and a cleaning brush group and a water spraying assembly located between the two control members, the cleaning brush group moves up and down along the control member, and at the same time, the curtain wall body is cleaned by rotation, and water is sprayed on the cleaning brush group or directly on the curtain wall body, which is convenient for cleaning. Adjust the length of the cleaning brush group to change the relative position of the brush, thereby changing the cleaning position and avoiding the generation of sanitary dead corners. Description of the Drawings

[0041] Figure 1 It is a schematic diagram of the overall structure of the building curtain wall cleaning device of the present invention.

[0042] Figure 2 This is the top view of the overall structure of the building curtain wall cleaning device of the present invention.

[0043] Figure 3 This is a schematic diagram of the drive assembly of the building curtain wall cleaning device of the present invention.

[0044] Figures 4 to 5 This is a schematic diagram of a partial structure of the building curtain wall cleaning device of the present invention.

[0045] Figures 6 to 7 This is a schematic diagram of the clamping assembly of the building curtain wall cleaning device of the present invention.

[0046] Figures 8 to 11 This is a schematic diagram of the cleaning assembly of the building curtain wall cleaning device of the present invention.

[0047] Figures 12 to 16 This is a schematic diagram of the water spraying assembly of the building curtain wall cleaning device of the present invention.

[0048] Legend: 1 - Curtain wall body; 2 - Roof; 3 - Cleaning brush group; 31 - First cleaning brush; 32 - Second cleaning brush; 33 - Sliding groove; 34 - Sliding block; 4 - Fixed plate; 5 - Control member; 51 - Winding strip; 52 - Chute; 53 - Control groove; 54 - Rack; 6 - Connecting member; 61 - Connecting rod; 62 - Connecting plate; 63 - Connecting groove; 64 - Exhaust hole; 65 - Rubber block; 66 - Rotating shaft; 7 - Clamping assembly; 71 - Clamping plate; 72 - Control gear; 73 - Gear rack; 74 - Rotating gear; 75 - Clamping rod; 76 - Internal thread; 77 - Rotating handle; 8 - Fixed block; 9 - Drive assembly; 91 - Winding disc; 92 - Transmission bevel gear; 93 - First motor; 94 - Driving bevel gear; 95 - Driving rod; 10 - Water spraying assembly; 101 - Water storage tank; 102 - Nozzle; 103 - Connecting water pipe; 104 - First water pipe; 105 - Check valve; 106 - External thread; 107 - Second water pipe; 108 - Hollow screw; 109 - Control ring; 11 - Rubber ring. Detailed implementation manners

[0049] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0050] Refer to Figure 1, the present invention provides a building curtain wall cleaning device and its usage method, which solves the problem that when cleaning the curtain wall, workers need to be hoisted to the working position and manually use tools for cleaning, which has certain safety risks. By setting control members and a cleaning brush group and a water spraying component located between the two control members, the cleaning brush group moves up and down along the control members. At the same time, the curtain wall body is cleaned by rotation, and water is sprayed onto the cleaning brush group or directly onto the curtain wall body to facilitate cleaning. The length of the cleaning brush group is adjusted to change the relative position of the brush hairs, thereby changing the cleaning position and avoiding the generation of sanitary dead corners.

[0051] The following will describe a building curtain wall cleaning device and its usage method of the present invention with reference to the accompanying drawings.

[0052] Refer to Figure 1 , which shows a schematic diagram of the overall structure of the building curtain wall cleaning device of the present invention. Refer to Figure 2 , which shows a top view of the overall structure of the building curtain wall cleaning device of the present invention. The following will describe a building curtain wall cleaning device and its usage method of the present invention in conjunction with Figure 1 and Figure 2 .

[0053] As Figure 1 and Figure 2 shown, a building curtain wall cleaning device of the present invention is installed on the roof 2 and located outside the curtain wall body 1. The cleaning device includes: a fixing frame installed on the roof 2; two vertically arranged and spaced control members 5; a plurality of cleaning brush groups 3 arranged between the two control members 5 and connected end to end. The cleaning brush group 3 can rotate and its height is adjustable. The length of the cleaning brush group 3 is adjustable and the outer surface is provided with brush hairs. By adjusting the length of the cleaning brush group 3, the contact position between the brush hairs and the curtain wall body 1 is changed, thereby changing the cleaning position; a water spraying component 10 for spraying water on the curtain wall body 1 is arranged outside the cleaning brush group 3, and the water spraying component 10 is adjusted synchronously in height with the cleaning brush group 3; a driving component 9 installed on the fixing frame for adjusting the height of the cleaning brush group 3 and the water spraying component 10.

[0054] Refer to Figures 8 to 11, in a specific embodiment, the cleaning assembly 3 includes a first cleaning brush 31 and a second cleaning brush 32 in a cylindrical shape. The first cleaning brush 31 and the second cleaning brush 32 are provided with sliding grooves 31 at intervals. A sliding block 34 is arranged between two adjacent sliding grooves 31 on the first cleaning brush 31, and the sliding block is slidably arranged in the sliding groove 31 of the second cleaning brush 32. Before cleaning the curtain wall body 1, first adjust the length of the cleaning assembly 3, that is, pull the first cleaning brush 31 and the second cleaning brush 32 to make the sliding block 34 slide relative in the sliding groove 31, so as to lengthen the total length of the first cleaning brush 31 and the second cleaning brush 32. In addition, the positions of the bristles on the outer surfaces of the first cleaning brush 31 and the second cleaning brush 32 are also changed, so as to change the contact position between the bristles and the curtain wall body 1, thereby avoiding the generation of sanitary dead corners.

[0055] Refer to Figures 9 to 10 , in a specific embodiment, it further includes a connecting member 6 arranged between two adjacent cleaning brush groups 3. The connecting member 6 includes: a plurality of connecting rods 61 arranged at the ends of the corresponding cleaning brush groups 3; a connecting plate 62 arranged at the ends of the corresponding cleaning brush groups 3, and a plurality of connecting grooves 63 for fitting with the corresponding connecting rods 61 are formed on the connecting plate 62; a plurality of exhaust holes 64 are formed on the side surface of the connecting plate 62, and the exhaust holes 64 communicate with the corresponding connecting grooves 63; and a plurality of rubber blocks 65, and the rubber blocks 65 are plugged in the corresponding exhaust holes 64. The implementation example of installing the connecting member 6 is: insert the connecting rod 61 into the corresponding connecting groove 63, the air in the connecting groove 63 is discharged through the exhaust hole 64, and then the exhaust hole 64 is plugged by the rubber block 65, so as to form a sealed space in the connecting groove 63. Due to the reason of atmospheric pressure, the connecting rod 61 cannot be pulled out of the connecting groove 63, achieving the effect of fixing the connecting rod 61 and the connecting groove 63.

[0056] Specifically, the connecting member 6 further includes a rubber ring 11 fixedly arranged at the end of the corresponding connecting rod 61. After the connecting rod 61 is inserted into the connecting groove 63, the rubber ring 11 plays a sealing role.

[0057] Refer to Figures 6 to 7 and Figures 12 to 13, in a specific embodiment, it further includes two clamping components 7 for clamping the cleaning brush group 3 and the water spraying component 10. The two clamping components 7 are movably arranged on the corresponding control member 5. Each clamping component 7 includes: a clamping plate 71, the clamping plate 71 is L-shaped and one end is slidably arranged on the control member 5. The cleaning brush group 3 and the water spraying component 10 are rotatably arranged inside the clamping plate 71, and the water spraying angle is adjusted by rotating the water spraying component 10; a gear rack 73 fixedly arranged on the clamping plate 71 and a rotating gear 74 rotatably arranged on the gear rack 73. One end of the corresponding cleaning brush group 3 is fixedly provided with a control gear 72 meshing with the rotating gear 74, so as to drive the control gear 72 and the cleaning brush group 3 to rotate through the drive of the rotating gear 74.

[0058] Specifically, it further includes: two clamping rods 75 respectively fixedly arranged at the corresponding ends of the water spraying component 10. The clamping rods 75 are rotatably arranged inside the corresponding clamping plate 71; a rotating handle 77 rotatably arranged outside the clamping plate 71. The rotating handle 77 is connected to the clamping rod 75, so as to drive the clamping rod 75 and the water spraying component 10 to rotate by rotating the rotating handle 77, thereby adjusting the water spraying angle of the water spraying component 10. A rotating shaft 66 is arranged between the corresponding cleaning brush group 3 and the clamping plate 71. The rotating shaft 66 is fixedly connected to the cleaning brush group 3 and rotatably connected to the clamping plate 71. The control gear 66 is fixedly sleeved on the rotating shaft 66. By arranging the rotating shaft 66, the control gear 72 drives the cleaning brush group 3 through the rotating shaft 66 to achieve synchronous rotation.

[0059] In a specific embodiment, it further includes a second motor arranged on the gear rack 73. The output shaft of the second motor is coaxially fixed with the rotating gear 74. Driven by the second motor, the rotating gear 74 and the control gear 72 are driven to rotate, so that the control gear 72 drives the cleaning brush group 3 to rotate.

[0060] Specifically, the size of the rotating gear 74 is larger than the size of the control gear 72, so that the rotation speed of the control gear 72 is greater than the rotation speed of the rotating gear 74, and relative friction can be generated between the cleaning brush group 3 and the curtain wall body 1.

[0061] Refer to Figures 4 to 5, in a specific embodiment, the control member 5 includes: a winding strip 51, the upper end of the winding strip 51 can be wound, and a chute 52 is longitudinally opened on one side of the winding strip 51 away from the cleaning brush group 3, and one end of the clamping plate 71 is slidably arranged in the chute 52; a control groove 53 opened on the winding strip 51, the control groove 53 is longitudinally arranged along the length direction of the winding strip 51, and the winding strip 51 is arranged on the side away from the curtain wall body 1; a rack 54 arranged in the control groove 53, and the rack 54 meshes with the control gear 72.

[0062] Refer to Figures 3 to 4 , in a specific embodiment, the driving assembly 9 includes: a driving rod 95 rotatably arranged on the fixing frame 8; a first motor 93 fixed on the fixing frame 8, and the first motor 93 is drivingly connected to the driving rod 95; two winding discs 91 respectively fixed at both ends of the driving rod 95, and the upper ends of the two winding strips 51 are fixed and wound around the corresponding winding discs 91. Limiting rings are arranged at both ends of the winding disc 91.

[0063] Specifically, the first motor 93 and the driving rod 95 are perpendicular to each other, a driving bevel gear 94 is fixedly sleeved on the output shaft of the first motor 93, and a transmission bevel gear 92 meshing with the driving bevel gear 94 is fixedly sleeved on the driving rod 95. The driving connection between the first motor 93 and the driving rod 95 is realized by arranging the driving bevel gear 94 and the transmission bevel gear 94.

[0064] In a specific embodiment, the fixing frame includes a horizontally arranged fixing plate 4 and two fixing blocks 8 fixed on the fixing plate 4, the two fixing blocks 8 are respectively located at both ends of the fixing plate 4, the first motor 93 is fixed on the fixing plate 4, and the driving rod 95 is rotatably arranged between the two fixing blocks 8.

[0065] Refer to Figures 13 to 16 , in a specific embodiment, the water spraying assembly 10 includes: a plurality of water storage bins 101, the plurality of water storage bins 101 are connected end to end and internally communicated; a plurality of spray heads 102 arranged at the bottom of the water storage bins 101, the spray heads 102 are inclined towards the curtain wall body 1; and a water connection pipe 103 arranged on the corresponding water storage bin 101.

[0066] Specifically, between two adjacent water storage bins 101, there are: a hollow screw rod 108 communicated with the corresponding water storage bin 101, and a control ring 109 is rotatably arranged on the outer surface of the hollow screw rod 108; a second water pipe 107 arranged at one end of the hollow screw rod 108, a first water pipe 104 communicated with the corresponding water storage bin 101, the first water pipe 104 is communicated with the second water pipe 107, external threads 106 with the same thread parameters as those of the hollow screw rod 108 are arranged on the outer surfaces of the first water pipe 104 and the second water pipe 107, and the control ring 109 can be moved to the first water pipe 104 and the second water pipe 107 by rotation. Before assembling the water storage bin 101, the control ring 109 is located on the hollow screw rod 108. When installing the water storage bin 101, the control ring 109 is screwed to move the control ring 109 to the first water pipe 104 and the second water pipe 107, so as to realize the connection between two adjacent water storage bins 110.

[0067] More specifically, the first water pipe 104 and the second water pipe 107 include: a plurality of connecting rods, the connecting rods are distributed at intervals and enclose a circle, the connecting rods of the first water pipe 104 and the second water pipe 107 are mutually engaged to form a closed cylindrical structure, and the control ring 109 is located on the outer side of the cylindrical structure to block the gap between two adjacent connecting rods. A one-way valve 105 is arranged in the first water pipe 104, and the flow direction of the one-way valve 105 is away from the water storage bin 101 with the water connection pipe 103. That is, water flows into the corresponding water storage bin 101 through the water connection pipe 103, and then enters the water storage bins 101 at both ends through the one-way valve 105.

[0068] Specifically, the inside of the clamping rod 75 is hollow and internal threads 76 meshing with the external threads 106 are arranged on the inner wall, and the first pipe 104 is fixed in the clamping rod 75 by rotation.

[0069] The present invention also provides a using method of a building curtain wall cleaning device, which specifically includes the following steps:

[0070] Adjust the lengths of a plurality of the cleaning brush groups 3;

[0071] Rotate a plurality of the cleaning brush groups 3 to drive the brush to clean the curtain wall body 1, and at the same time, adjust the height of the cleaning brush groups 3 along the control member 5 to clean different height positions of the curtain wall body 1;

[0072] While the cleaning brush groups 3 are rotating, make the water spraying assembly 10 spray water on the curtain wall body 1.

[0073] The following is a detailed description of the use of the building curtain wall cleaning device of the present invention.

[0074] The fixing plate 4 is mounted on the roof 2, and then clean water is poured into the water storage tank 101 through the water receiving pipe 103, and then the first motor 93 is started, so that the first motor 93 drives the two winding drums 91 to rotate through the driving rod 95, so that the two winding strips 51 are separated from the winding drums 91 and gradually stretched out.

[0075] When the reel bar 51 is fully extended, the cleaning brush assembly 3 and the water spray assembly 10 are both located at the bottom of the reel bar 51. Then the second motor is started to drive the rotating gear 74 to rotate, and the cleaning brush assembly 3 and the water spray assembly 10 move up and down by meshing with the rack 54. At the same time, the cleaning brush assembly 3 rotates by meshing the control gear 72 with the rotating gear 74.

[0076] When the second motor is started, the nozzle 102 is turned on, so that the water in the water storage tank 101 is sprayed toward the curtain wall body 1 through the nozzle 102, so as to facilitate cleaning by the cleaning brush set 3. According to the requirements of different working conditions, the angle of the nozzle 102 is adjusted by twisting the rotating handle 77, so as to change the water spraying direction, so that the clean water is sprayed toward the cleaning brush set 3 or directly toward the curtain wall body 1.

[0077] After the cleaning brush group 3 moves up and down several times, the length of each cleaning brush group 3 is adjusted, that is, the first cleaning brush 31 and the second cleaning brush 32 are pulled or pushed to change the relative position of the brushes on the cleaning brush group 3, thereby changing the cleaning position of the brushes to avoid sanitary dead corners.

[0078] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A building curtain wall cleaning device, installed on a roof (2) and located outside a curtain wall body (1), characterized in that: The cleaning device comprises: A fixing frame installed on the roof (2); Two vertically spaced control members (5); A plurality of cleaning brush groups (3) arranged between the two control members (5) and connected end to end, the cleaning brush groups (3) being rotatable and height-adjustable, the length of the cleaning brush groups (3) being adjustable and having brushes disposed on the outer surface, and the contact position between the brushes and the curtain wall body (1) being changed by adjusting the length of the cleaning brush groups (3), thereby changing the cleaning position; A water spray assembly (10) is arranged outside the cleaning brush assembly (3) and is used to spray water on the curtain wall body (1), and the height of the water spray assembly (10) and the cleaning brush assembly (3) are adjusted synchronously; A driving assembly (9) mounted on the fixing frame for adjusting the height of the cleaning brush assembly (3) and the water spray assembly (10).

2. A building curtain wall cleaning device according to claim 1, characterized in that: The cleaning assembly (3) comprises a first cleaning brush (31) and a second cleaning brush (32) in a cylindrical shape, wherein sliding grooves (31) are provided on the first cleaning brush (31) and the second cleaning brush (32) at intervals, and a sliding block (34) is provided between two adjacent sliding grooves (31) on the first cleaning brush (31), and the sliding block is slidably arranged in the sliding groove (31) of the second cleaning brush (32).

3. A building curtain wall cleaning device according to claim 1, characterized in that: It also includes a connecting member (6) disposed between two adjacent cleaning brush groups (3), wherein the connecting member (6) includes: A plurality of connecting rods (61) provided at the ends of the corresponding cleaning brush groups (3); A connecting plate (62) provided at the end of the corresponding cleaning brush assembly (3), wherein the connecting plate (62) is provided with a plurality of connecting grooves (63) engaged with the corresponding connecting rods (61); a plurality of exhaust holes (64) provided on the side of the connecting plate (62), the exhaust holes (64) being connected to the corresponding connecting grooves (63); and A plurality of rubber blocks (65), wherein the rubber blocks (65) are sealed in the corresponding rubber blocks (65) in the exhaust holes (64).

4. A building curtain wall cleaning device according to claim 1, characterized in that: It also includes two clamping assemblies (7) for clamping the cleaning brush assembly (3) and the water spray assembly (10), the two clamping assemblies (7) being movably arranged on the corresponding control member (5), and each of the clamping assemblies (7) comprising: a clamping plate (71), the clamping plate (71) being L-shaped and having one end slidably disposed on the control member (5); the cleaning brush assembly (3) and the water spraying assembly (10) being rotatably disposed on the inner side of the clamping plate (71); and the water spraying angle can be adjusted by rotating the water spraying assembly (10); A gear frame (73) fixedly mounted on the clamping plate (71) and a rotating gear (74) rotatably mounted on the gear frame (73); and a control gear (72) meshing with the rotating gear (74) fixedly mounted on one end of the corresponding cleaning brush assembly (3), so that the control gear (72) and the cleaning brush assembly (3) are driven to rotate by the rotating gear (74).

5. A building curtain wall cleaning device according to claim 4, characterized in that: It also includes a second motor arranged on the gear frame (73), wherein the output shaft of the second motor is coaxially fixed with the rotating gear (74).

6. A building curtain wall cleaning device according to claim 4, characterized in that: The control element (5) comprises: A winding strip (51), the upper end of which can be wound up, and a sliding groove (52) is provided on the side of the winding strip (51) away from the cleaning brush assembly (3), and one end of the clamping plate (71) is slidably disposed in the sliding groove (52); A control groove (53) is provided on the reeling strip (51), the control groove (53) is arranged along the length direction of the reeling strip (51), and the reeling strip (51) is arranged on a side away from the curtain wall body (1); A rack (54) is arranged in the control groove (53), and the rack (54) is meshed with the control gear (72).

7. A building curtain wall cleaning device according to claim 6, characterized in that: The driving assembly (9) comprises: A driving rod (95) rotatably arranged on the fixing frame; A first motor (93) fixedly mounted on the fixing frame, wherein the first motor (93) is drivingly connected to the driving rod (95); Two winding disks (91) are respectively fixedly mounted on both ends of the driving rod (95), and the upper ends of the two winding strips (51) are fixedly mounted and wound around the corresponding winding disks (91).

8. A building curtain wall cleaning device according to claim 1, characterized in that: The water spray assembly (10) comprises: A plurality of water storage bins (101), wherein the plurality of water storage bins (101) are connected end to end and are internally connected; a plurality of nozzles (102) disposed at the bottom of the water storage tank (101), the nozzles (102) being inclined toward the curtain wall body (1); and A water receiving pipe (103) is provided on the corresponding water storage tank (101).

9. A method for using the building curtain wall cleaning device according to claim 1, characterized in that: The specific steps include: Adjusting the lengths of the plurality of cleaning brush groups (3); The plurality of cleaning brush groups (3) are rotated to drive the brushes to clean the curtain wall body (1), and at the same time, the height of the cleaning brush group (3) is adjusted along the control member (5) to clean positions at different heights of the curtain wall body (1); While the cleaning brush assembly (3) is rotating, the water spray assembly (10) sprays water onto the curtain wall body (1).

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