CN210976686U

CN210976686U - Facade belt cleaning device

Info

Publication number: CN210976686U
Application number: CN201921819567.6U
Authority: CN
Inventors: 刘正权; 于吉苏; 王枫; 尹德海; 艾福强; 戴振东
Original assignee: Nanjing Lihang Bionic Industry Research Institute Co ltd; Nanjing Zhongkete Inspection Robot Co ltd
Current assignee: Nanjing Lihang Bionic Industry Research Institute Co ltd; Nanjing Zhongkete Inspection Robot Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-07-10
Anticipated expiration: 2029-10-28
Also published as: WO2021082625A1

Abstract

The utility model provides a facade belt cleaning device relates to cleaning machine technical field to adopt rigid connection between the part in the curtain cleaning equipment who exists among the alleviating prior art, probably lead to the too big technical problem of the impact force of equipment to the curtain. The facade cleaning device comprises a frame, a rolling brush component, a travelling wheel, a connecting piece and an elastic piece; the rolling brush assembly comprises a cleaning piece, and the cleaning piece and the rack are pivoted at a first hinge point; the traveling wheel and the rack are pivoted on a second hinge point; the first connecting piece and the rack are hinged to a third hinge point, and the third hinge point is positioned between the first hinge point and the second hinge point; the first connecting piece is hinged to the fourth hinge point with the mounting main body. The facade cleaning device can reduce the impact force on the surface to be cleaned.

Description

Facade belt cleaning device

Technical Field

The utility model belongs to the technical field of the cleaning machine technique and specifically relates to a facade belt cleaning device is related to.

Background

The building curtain wall is developed rapidly in China for 20 years due to the advantages of attractiveness, energy conservation, easiness in maintenance and the like, and the construction of the building curtain wall in China is about ten million square meters every year. However, due to long-term exposure to sunlight and wind and rain, and the retention of carbon dioxide, carbon monoxide, sulfur dioxide, sulfur trioxide, various chlorides and oil fume on the building surface, once mixed with rainwater and moisture, the building can be attacked by acidity or alkalinity. If the installed curtain wall is not regularly cleaned and maintained throughout, these acids and alkalis will penetrate into the building surface, corroding the surface and structure of the curtain wall, thus requiring regular cleaning and maintenance of the building curtain wall.

In the initial stage of curtain wall cleaning, manual cleaning is almost completely adopted. Over time, some domestic enterprises have been looking at developing curtain wall cleaning equipment for high-altitude cleaning operations to replace labor. However, the components in the existing curtain wall cleaning equipment are rigidly connected, which may cause the impact force of the equipment on the curtain wall to be too large, so that the curtain wall is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a facade belt cleaning device to adopt rigid connection between the part in the curtain cleaning equipment who exists among the alleviating prior art, probably lead to the too big technical problem of the impact force of equipment to the curtain.

An embodiment of the utility model provides a facade belt cleaning device, include: frame, round brush subassembly, walking wheel, connecting piece and elastic component.

The rolling brush component comprises a cleaning piece, and the cleaning piece is pivoted with the first hinge point of the rack.

The walking wheel and the frame are pivoted on a second hinge point.

The connecting piece and the rack are hinged to a third hinge point, and the third hinge point is located between the first hinge point and the second hinge point.

And the connecting piece and the mounting main body are hinged at a fourth hinge point.

The elastic piece is connected between the connecting piece and the mounting main body.

In an alternative embodiment, a track and a slider are arranged on the mounting body, the slider can slide along the track, and the slider is connected to the track through a first fastener.

One end of the elastic piece, which is far away from the connecting piece, is connected to the sliding block.

In an alternative embodiment, the frame is a cover structure with an opening facing one side, the cleaning element is pivoted in the cover structure through the opening, and an outer edge of the cleaning element protrudes out of an end face where the opening is located.

The walking wheels are arranged oppositely, the connecting pieces and the elastic pieces are arranged in one-to-one correspondence with the walking wheels, and supporting pieces are fixedly connected between the connecting pieces.

In an alternative embodiment, the cleaning device further comprises a safety wheel which is pivoted to the frame, and the outer edge of the safety wheel is located between the end face where the opening is located and the outer edge of the cleaning piece.

In an optional embodiment, the vehicle further comprises a cantilever fixedly connected to the frame, the traveling wheel is pivoted to the cantilever, and the connecting member is pivoted to the cantilever.

In an alternative embodiment, a cleaning assembly is also included.

The cleaning assembly comprises a water spraying pipe and a nozzle arranged on the water spraying pipe, and the water spraying pipe is connected to the rack.

In an alternative embodiment, the spray pipe is provided with a water pipe clamp.

The water pipe clamp comprises a fixed part and a movable part, the fixed part and the movable part are connected through a second fastener to form a first accommodating cavity used for clamping the water spray pipe, and the fixed part is fixedly connected to the rack.

In an alternative embodiment, the frame is a cover structure with an opening facing to one side, the cleaning piece is pivoted in the cover structure through the opening, and the outer edge of the cleaning piece protrudes out of the end face where the opening is located; and/or the sprinkler pipe is positioned in the cover body structure, and the nozzle faces the opening.

In an alternative embodiment, the sweeping member comprises a barrel and a soft brush.

The barrel pin joint in the frame, the barrel has the second and holds the chamber, the second holds the intracavity and is equipped with the driving piece, the driving piece with the inner wall transmission of barrel is connected to can drive the barrel rotates.

In an optional embodiment, two opposite ends of the cylinder are provided with shaft extensions, the shaft extensions are fixedly connected to the frame, and the cylinder can rotate relative to the shaft extensions.

And a shell is arranged on the peripheral side of the cylinder.

The axle is stretched and is equipped with first flange, first flange can be relative the axle is stretched and is rotated, the cover is equipped with the second flange on the barrel, first flange pass through the third fastener with the casing is connected, and through the fourth fastener with second flange joint makes the casing with leave the clearance between the barrel.

And a sealing structure for preventing water from entering the cylinder body is arranged at the joint of the second flange and the cylinder body.

The utility model provides a facade belt cleaning device's beneficial effect:

when the facade cleaning device is used, the driving mechanism is needed to drive the mounting main body to move up and down or horizontally.

When the vertical surface cleaning device is used for cleaning a surface to be cleaned (such as a curtain wall), the walking wheels and the cleaning piece are both contacted with the surface to be cleaned, and the walking wheels can rotate under the driving of the driving mechanism so as to drive the vertical surface cleaning device to move on the surface to be cleaned; in the process, when the walking wheel runs across obstacles, the connecting piece is hinged with the rack at a third hinge point, the third hinge point is positioned between a first hinge point (the cleaning piece and the rack are pivoted at the first hinge point) and a second hinge point (the walking wheel and the rack are pivoted at the second hinge point), and the elastic piece is connected between the connecting piece and the mounting main body (the connecting piece and the mounting main body are hinged at a fourth hinge point); on the other hand, the impact force of the vertical surface cleaning device on the surface to be cleaned can be reduced.

Furthermore, taking the linear driving assembly driving mechanism as an example of a crane, when the linear driving assembly driving mechanism is used, the mounting main body is arranged on a suspension arm of the crane, due to the arrangement of the connecting piece and the elastic piece, when the suspension arm approaches to the surface to be cleaned, the mounting main body can extrude the elastic piece, and simultaneously, under the reverse action of the elastic piece, the elastic piece gives the mounting main body, and because the force vertical to the surface to be cleaned is offset by the elastic piece, the mounting main body cannot generate violent impact with the surface to be cleaned.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a vertical surface cleaning device according to an embodiment of the present invention;

fig. 2 is a side view of a vertical cleaning device according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a top view of a vertical cleaning device according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a cleaning assembly;

FIG. 6 is a cross-sectional view of the water hose clamp;

FIG. 7 is a schematic view of the brush assembly without the first flange;

FIG. 8 is a side view of the roller brush assembly.

Icon:

100-a frame;

200-a roller brush assembly; 210-a cleaning member; 211-cylinder; 212-Soft Brush; 213-extension of a shaft; 214-a housing; 215-a first flange; 216-a second flange;

300-a travelling wheel; 400-cantilever;

510-a connector; 520-a support;

600-an elastic member;

700-mounting a body; 710-a track; 720-a slide block;

800-safety wheel;

900-cleaning the assembly; 910-a spray pipe; 920-a nozzle; 930-water pipe clamp; 931-fixed part; 932-an active portion; 933-first accommodation chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Examples

The embodiment provides a facade cleaning device, which combines fig. 1 and fig. 2, and comprises a frame 100, a rolling brush assembly 200, a road wheel 300, a connecting piece 510 and an elastic piece 600; the rolling brush assembly 200 comprises a cleaning member 210, wherein the cleaning member 210 is pivoted to a first hinge point with the frame 100; the walking wheel 300 and the frame 100 are pivoted at a second hinge point; the connecting member 510 is hinged to the frame 100 at a third hinge point, which is located between the first hinge point and the second hinge point; the connecting member 510 is hinged to the fourth hinge point with the mounting body 700; the elastic member 600 is connected between the connection member 510 and the mounting body 700.

When the vertical surface cleaning apparatus is used, the driving mechanism is required to drive the installation body 700 to move up and down or horizontally.

When the vertical surface cleaning device is used for cleaning a surface to be cleaned (such as a curtain wall), the walking wheels 300 and the cleaning piece 210 are both contacted with the surface to be cleaned, the walking wheels 300 can rotate under the driving of the driving mechanism so as to drive the vertical surface cleaning device to move on the surface to be cleaned, and in the moving process, as the cleaning piece 210 is pivoted to the rack 100, the cleaning piece 210 can rotate relative to the rack 100 and clean the surface to be cleaned; in this process, when the traveling wheel 300 travels across obstacles, because the connecting piece 510 is hinged to the frame 100 at a third hinge point, the third hinge point is located between the first hinge point (the cleaning piece 210 is hinged to the frame 100 at the first hinge point) and the second hinge point (the traveling wheel 300 is hinged to the frame 100 at the second hinge point), and the elastic piece 600 is connected between the connecting piece 510 and the mounting body 700, when the traveling wheel 300 drives the frame 100 to lift or fall, the traveling wheel 300 can drive the frame 100 to rotate relative to the connecting piece 510 and extrude the elastic piece 600, and under the elastic action force of the elastic piece 600, the impact force between the traveling wheel 300 and the frame 100 can be buffered, on one hand, the frame 100 cannot drive the traveling wheel 300 to lift or fall suddenly due to inertia, so that the traveling wheel 300 is always kept in contact with a surface to be cleaned and can smoothly pass over obstacles; on the other hand, the impact force of the vertical surface cleaning device on the surface to be cleaned can be reduced.

Further, taking the linear driving assembly driving mechanism as an example of a crane, when the linear driving assembly driving mechanism is used, the mounting body 700 is mounted on a boom of the crane, and due to the arrangement of the connecting member 510 and the elastic member 600, when the boom approaches towards the surface to be cleaned, the mounting body 700 can press the elastic member 600, and at the same time, under the reverse action of the elastic member 600 given to the mounting body 700, the force perpendicular to the surface to be cleaned is offset by the elastic member 600, so that the mounting body does not collide with the surface to be cleaned violently.

The facade cleaning device can be used for cleaning curtain walls, and specifically, the mounting body 700 can be mounted on a boom of a crane (of course, the mounting body 700 can also be mounted on other mechanisms such as a lift truck, etc.), and the facade cleaning device is driven by the boom to move up and down or left and right to clean curtain walls.

The installation body 700 can be fixed to a boom or a lift car or other mechanisms through angle iron or U-shaped buckles.

In this embodiment, as shown in fig. 2, the connecting member 510 is a rod-shaped structure having a bend; the elastic member 600 may be a spring member having a certain strength, and one end of the spring member may be hooked on the connection member 510 and the other end thereof may be hooked on the mounting body 700.

In this embodiment, the suspension arm 400 is further included, the suspension arm 400 is fixedly connected to the frame 100, the traveling wheel 300 is pivotally connected to the suspension arm 400, and the connecting member 510 is pivotally connected to the suspension arm 400. In the structure form, the vertical surface cleaning device can be more stable when moving upwards or downwards, and cannot incline towards one side of the curtain wall due to unstable stress of the vertical surface cleaning device.

In one form of construction, shown in FIG. 2, where the connection 510 is on the right side of the rack 100, the structure may be used to clean curtain walls on the left side of the facade wash; the facade cleaning device in the embodiment can enable the elastic element 600 to realize the stretching function in a compression mode through the structural design, and compared with the traditional direct stretching mode, the facade cleaning device can effectively prevent the situation that the tensile force exceeds the limit of the elastic element 600 and fails.

In this embodiment, the mounting body 700 is provided with a rail 710 and a slider 720, the slider 720 can slide along the rail 710, and the slider 720 is connected to the rail 710 through a first fastener; the end of the elastic member remote from the link 510 is connected to the slider 720. In the structure, the relative position of the sliding block 720 and the track 710 is adjusted, and the inclination angle of the connecting piece 510 can be adjusted under the action of the elastic piece 600, so that the vertical surface cleaning device is suitable for cleaning in different application environments.

Specifically, mounting holes are formed in the track 710 and the sliding block 720, the first fastener is a screw, and the screw penetrates through the corresponding mounting hole to connect the track 710 and the sliding block 720 together, so that the sliding block 720 is fixed at a certain position of the track 710; when the inclination angle of the connecting member 510 needs to be adjusted, the screw rod is unscrewed to enable the sliding block 720 to slide to a proper position along the rail 710, and then the rail 710 and the sliding block 720 are fixed by the screw rod.

In this embodiment, as shown in fig. 3, the mounting body 700 is a profile structure frame with a rail 710, and the profile structure frame can be purchased directly without additional processing of the rail 710, which is more time-saving and labor-saving. In this embodiment, the number of the traveling wheels 300 may not be limited, and a suitable number of the traveling wheels 300 may be selected and used in consideration of the overall size of the vertical surface cleaning apparatus, the running stability, and the like.

The number of the traveling wheels 300 in this embodiment is two. Specifically, with reference to fig. 1 and 4, the frame 100 is a cover structure with an opening facing to one side, the cleaning element 210 is pivoted in the cover structure through the opening, and an outer edge of the cleaning element 210 protrudes from an end surface of the opening; the two walking wheels 300 are oppositely arranged, the cantilever 400, the connecting piece 510 and the elastic piece 600 are all arranged in one-to-one correspondence with the walking wheels 300, the supporting piece 520 is fixedly connected between the two connecting pieces 510, the connecting piece 510 can be reinforced by the arrangement to play a role in structure reinforcement, and the vertical surface cleaning device is further ensured to more stably advance on a curtain wall.

As shown in fig. 4, the supporting member 520 is a supporting rod connected between the two connecting members 510 by a screw connection; wherein, the supporting member 520 and the connecting member 510 may be steel pipes with the same material and diameter.

As shown in fig. 2, the facade cleaning apparatus further includes a safety wheel 800, the safety wheel 800 is pivoted to the frame 100, an outer edge of the safety wheel 800 is located between an end surface where the opening is located and an outer edge of the cleaning element 210, when the facade cleaning apparatus approaches to the curtain wall direction, the safety wheel 800 can be firstly contacted with the curtain wall under some circumstances, so as to prevent the frame 100 from directly contacting the curtain wall to damage the curtain wall.

In one embodiment, the diameter of the road wheel 300 is 300 mm; the diameter of the safety wheel 800 is 400 mm.

On the basis of the above embodiment, with reference to fig. 1 and 5, the facade washing device further comprises a washing assembly 900; the washing unit 900 includes a water spray pipe 910 and a nozzle 920 disposed on the water spray pipe 910, the water spray pipe 910 is connected to the rack 100, and the water spray pipe 910 is connected to an external water source.

Wherein, spray pipe 910 is located cover body structure, and nozzle 920 is towards cover body structure's opening, and the benefit of this setting is, can be at abluent in-process, prevents to wash the rivers of curtain and splashes everywhere, plays certain effect of sheltering from to rivers.

In one form, with reference to fig. 5 and 6, the spray pipe 910 is provided with a pipe clamp 930; the hose clamp 930 includes a fixing portion 931 and a movable portion 932, and the fixing portion 931 and the movable portion 932 are connected by a second fastener to form a first receiving cavity 933 for clamping the hose 910, wherein the fixing portion 931 is fixedly connected to the frame 100. When in use, the water pipe clamp 930 can clamp the water spray pipe 910, so that the water spray pipe 910 can not rotate when the nozzle 920 sprays water flow for cleaning; when the water outlet angle of the nozzle 920 needs to be adjusted, the second fastening piece can be loosened to rotate the water spraying pipe 910 for direct adjustment, and the water spraying pipe can be locked by the second fastening piece after being adjusted.

Specifically, the fixed portion 931 and the movable portion 932 are both block-shaped structures having semi-circular holes, and both are connected to form a circular hole adapted to the water spraying pipe 910, and under the action of the second fastening member (the second fastening member may be a screw), the movable portion 932 is gradually close to the fixed portion 931, so that the diameter of the circular hole surrounded by the two is reduced, and the water spraying pipe 910 is clamped tightly.

As shown in fig. 5, two ends of the spray pipe 910 are respectively provided with a water pipe clamp 930; one or both ends of the spray pipe 910 are also provided with a pagoda head.

On the basis of the above embodiment, the cleaning member 210 includes the cylinder 211 and the soft brush 212; the cylinder 211 is pivotally connected to the frame 100, the cylinder 211 has a second accommodating cavity, a driving member is disposed in the second accommodating cavity, and the driving member is in transmission connection with an inner wall of the cylinder 211 and can drive the cylinder 211 to rotate.

In the structure, the driving part is located in the second accommodating cavity, wherein the driving part is in transmission connection with the inner wall of the cylinder 211, and the driving part can drive the cylinder 211 to rotate around the rotation center line of the cylinder 211 when working; because the driving member in the cleaning device is located in the second accommodating cavity of the cylinder body 211, compared with the external arrangement of the driving unit in the prior art, the facade cleaning device in the embodiment can make full use of the internal space of the cylinder body 211, that is, the space outside the cylinder body 211 is not occupied, so that the whole structure of the facade cleaning device is more compact.

In one embodiment, the driving member includes a motor and an external gear in transmission connection with the motor, the inner peripheral wall of the cylinder 211 is provided with an internal gear engaged with the external gear, and the motor rotates to drive the external gear to rotate, thereby driving the cylinder 211 to rotate.

It should be noted that although the structural form of the driving element for driving the cylinder 211 to rotate is not shown in the drawings, it is possible for those skilled in the art to implement the content described in the present embodiment. With reference to fig. 7 and 8, the two opposite ends of the cylinder 211 are provided with shaft extensions 213, the shaft extensions 213 are fixedly connected to the frame 100, and the cylinder 211 can rotate relative to the shaft extensions 213; a housing 214 is provided on the outer peripheral side of the cylinder 211; a first flange 215 is sleeved on the shaft extension 213, the first flange 215 can rotate relative to the shaft extension 213, a second flange 216 is sleeved on the cylinder body 211, the first flange 215 is connected with the shell 214 through a third fastener and is connected with the second flange 216 through a fourth fastener, and a gap is reserved between the shell 214 and the cylinder body 211; the joint of the second flange 216 and the cylinder 211 is provided with a sealing structure for preventing water from entering the cylinder 211.

The bristle brush 212 is fixed to the outer peripheral side of the casing 214.

Specifically, a gap is left between the shell 214 and the cylinder 211, so that a small amount of water is splashed into the gap during cleaning, and the purpose of dissipating heat of the cylinder 211 is achieved; meanwhile, a sealing structure is arranged at the joint of the second flange 216 and the cylinder 211 to prevent water from splashing into the cylinder 211, so that the driving part inside is damaged.

Wherein, the material of the housing 214 is plastic or nylon; the second flange 216 may be welded to the cylinder 211 by welding.

One implementation of the above-mentioned sealing structure is as follows: the welding position of the cylinder 211 and the second flange 216 is provided with an annular groove, a sealing ring is arranged in the annular groove, and the sealing ring is clamped between the first flange 215 and the second flange 216.

In summary, the vertical surface cleaning device further comprises an electric cabinet, wherein an electric control device required by the whole vertical surface cleaning device is installed inside the electric cabinet, and the technology for controlling the actions of the corresponding parts of the vertical surface cleaning device through the electric control device is well known to those skilled in the art and is not described in detail herein.

Wherein the electric cabinet is hung on the upper portion of the installation body 700 by a hook.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A facade wash apparatus, comprising: the rolling brush device comprises a rack (100), a rolling brush assembly (200), a travelling wheel (300), a connecting piece (510) and an elastic piece (600);

the rolling brush assembly (200) comprises a cleaning piece (210), and the cleaning piece (210) is pivoted with the frame (100) at a first hinge point;

the walking wheel (300) and the frame (100) are pivoted at a second hinge point;

the connecting piece (510) is hinged with the frame (100) at a third hinge point, and the third hinge point is positioned between the first hinge point and the second hinge point;

the connecting piece (510) is hinged with the mounting main body (700) at a fourth hinge point;

the elastic member (600) is connected between the connection member (510) and the mounting body (700).

2. A facade washing device according to claim 1, characterised in that a rail (710) and a slider (720) are provided on the mounting body (700), the slider (720) being slidable along the rail (710), and the slider (720) being connected to the rail (710) by means of a first fastening member;

one end of the elastic piece (600) far away from the connecting piece (510) is connected to the sliding block (720).

3. A facade washing device according to claim 2, characterised in that the frame (100) is a cover structure with an opening towards one side, the cleaning element (210) is pivoted in the cover structure from the opening, and the outer edge of the cleaning element (210) protrudes from the end face of the opening;

the walking wheels (300) are arranged oppositely, the connecting pieces (510) and the elastic pieces (600) are arranged in one-to-one correspondence with the walking wheels (300), and supporting pieces (520) are fixedly connected between the two connecting pieces (510).

4. A facade washing device according to claim 3, further comprising a safety wheel (800), the safety wheel (800) being pivoted to the frame (100), and the outer edge of the safety wheel (800) being located between the end face where the opening is located and the outer edge of the cleaning element (210).

5. A facade wash according to claim 1, further comprising a boom (400), the boom (400) being fixedly connected to the frame (100), the road wheel (300) being pivoted to the boom (400), the connecting member (510) being pivoted to the boom (400).

6. A facade washing device according to claim 1, further comprising a washing assembly (900);

the cleaning assembly (900) comprises a water spray pipe (910) and a nozzle (920) arranged on the water spray pipe (910), and the water spray pipe (910) is connected to the frame (100).

7. A facade washing device according to claim 6, characterised in that a hose clamp (930) is provided on the water spraying pipe (910);

the water pipe clamp (930) comprises a fixing part (931) and a movable part (932), the fixing part (931) and the movable part (932) are connected through a second fastener to form a first accommodating cavity (933) for clamping the water spray pipe (910), and the fixing part (931) is fixedly connected to the frame (100).

8. A facade washing device according to claim 7, characterised in that the frame (100) is a hood structure with an opening towards one side, the cleaning element (210) is pivoted in the hood structure from the opening, and the outer edge of the cleaning element (210) protrudes from the end face of the opening;

and/or the sprinkler pipe (910) is located within the cover structure with the nozzle (920) facing the opening.

9. A facade washing device according to any one of claims 1 to 8, characterised in that the sweeping member (210) comprises a barrel (211) and a soft brush (212);

the barrel (211) pin joint in frame (100), barrel (211) have the second and hold the chamber, the second holds the intracavity and is equipped with the driving piece, the driving piece with the inner wall transmission of barrel (211) is connected to can drive barrel (211) rotate.

10. A facade washing device according to claim 9, wherein shaft extensions (213) are provided at opposite ends of the cylinder body (211), the shaft extensions (213) are fixedly connected to the frame (100), and the cylinder body (211) can rotate relative to the shaft extensions (213);

a shell (214) is arranged on the outer peripheral side of the cylinder body (211);

the shaft extension (213) is sleeved with a first flange (215), the first flange (215) can rotate relative to the shaft extension (213), the cylinder body (211) is sleeved with a second flange (216), the first flange (215) is connected with the shell (214) through a third fastening piece and is connected with the second flange (216) through a fourth fastening piece, and a gap is reserved between the shell (214) and the cylinder body (211);

and a sealing structure for preventing water from entering the cylinder body (211) is arranged at the joint of the second flange (216) and the cylinder body (211).