CN110644736B

CN110644736B - Device is applied paint with a brush on building outer wall top layer

Info

Publication number: CN110644736B
Application number: CN201910963859.5A
Authority: CN
Inventors: 林士长
Original assignee: Zhejiang Zeguo Construction Co Ltd
Current assignee: Zhejiang Zeguo Construction Co., Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-10-16
Anticipated expiration: 2039-10-11
Also published as: CN110644736A

Abstract

The invention discloses a building outer wall surface layer painting device, which comprises a device main body, wherein the upper end surface and the lower end surface of the device main body are respectively and fixedly provided with bilaterally symmetrical hanging rings, the hanging rings at the upper side are bundled with lifting ropes, the lifting ropes are fixedly arranged at the upper side positions of a building wall body, the painting area of the device main body can be controlled by the extension and retraction of the lifting ropes, a moving cavity is arranged in the device main body, and the front side of the moving cavity is provided with a sucker device. Is safe and efficient.

Description

Device is applied paint with a brush on building outer wall top layer

Technical Field

The invention relates to the technical field of wall painting, in particular to a painting device for a surface layer of an exterior wall of a building.

Background

Traditional building outer wall surface's the work of applying paint with a brush through the manual work, the personnel of applying paint with a brush drive its lift through rope or lift hanging flower basket, not only the device installation is loaded down with trivial details, and the installation is poor stably, can't hundred percent guarantee to staff's personal safety, secondly, when artifical manual applying paint with a brush, it is long consuming time, and because the dynamics is indefinite, the thickness that causes to apply paint with a brush is inhomogeneous, and then make the work efficiency of applying paint with a brush low, in addition, when applying paint with a brush, unnecessary coating can drop to ground or wall body on, cause the pollution of environment, be not convenient for clean, and. The present invention sets forth a device that solves the above problems.

Disclosure of Invention

The technical problem is as follows:

the traditional external wall painting is generally manual painting, the efficiency is low, the safety of painting personnel is low, and the paint waste is serious.

In order to solve the problems, the embodiment designs a building outer wall surface layer painting device, which comprises a device main body, wherein bilaterally symmetrical hanging rings are fixedly arranged on the upper end surface and the lower end surface of the device main body respectively, a lifting rope is tied on the hanging ring on the upper side, the lifting rope is fixedly arranged at the upper side position of a building wall body, the stretching of the lifting rope can control the painting area of the device main body, a moving cavity is arranged in the device main body, a sucker device is arranged at the front side of the moving cavity, suckers which are bilaterally symmetrical are arranged in the sucker device, when the suckers are attached to the wall body to be painted, the right end of the device main body can be stabilized, a moving lead screw is rotatably arranged in the moving cavity, the moving lead screw is in power connection with a moving motor arranged at the right end wall of the moving cavity, and a moving block is installed on the moving, the wall painting device comprises a moving block and is characterized in that a telescopic device is arranged in the moving block, two bilaterally symmetrical chains are arranged in the telescopic device, a painting block is fixedly arranged at the lower end of each chain, a painting device is arranged in the painting block and comprises a painting brush and a circulation groove, the painting brush is rotatable, a storage cavity is arranged on the upper side of the moving cavity and is sealed through a sealing plug, a winding device is arranged on the rear side of the moving cavity, a circulation pipe is arranged in the winding device, the upper end of the circulation pipe is communicated with the storage cavity, the lower end of the circulation pipe is communicated with the circulation groove, and after paint enters the circulation groove through the circulation pipe, the wall is painted through the rotation of the painting brush.

Preferably, the chain is of a structure which is bent only in one direction, the chain on the left side can be bent only to the right side, and the chain on the right side can be bent only to the left side, so that the left and right chains can ensure the smooth lifting and retraction of the brushing blocks.

Preferably, a cylindrical mounting hole is formed in the right end face of the smearing brush, and a quadrangular prism-shaped plugging hole is formed in the left end face of the smearing brush.

Wherein, the sucker device comprises a power motor, power shafts are symmetrically arranged at the left end and the right end of the power motor, a transmission cavity is communicated with the left side and the right side of the power motor, a rotating wheel is rotatably arranged in the transmission cavity through a rotating shaft, a shifting cavity is arranged in the rotating wheel, one end of the power shaft far away from the power motor extends into the shifting cavity and is fixedly provided with a shifting block, a pressure spring is fixedly arranged between the lower end surface of the shifting block and the shifting cavity, a fixed block is arranged on the power shaft in the transmission cavity, an inflating device is arranged at the rear side of the transmission cavity and comprises a pull wire, the pull wire is fixedly connected with the fixed block, one side of the transmission cavity far away from each other is provided with a push-pull groove, one end of the rotating shaft far away from the transmission cavity extends into the push-pull groove and is fixedly provided with a rotating gear, the rack is internally provided with a vent pipe, the front side of the push-pull groove is communicated with the outside to be provided with a groove, and the front end of the rack extends into the groove and is fixedly installed with the sucker, so that the power motor can drive the rack to move back and forth when working, and the position of the device main body is fixed through the close fit of the sucker and a wall body.

The air charging device comprises a sliding groove, the left end of the air pipe penetrates through the sliding groove and then extends downwards to be communicated with the outside, a sliding block is slidably arranged in the sliding groove, a through hole is formed in the sliding block, a reset spring is fixedly arranged between the front end face of the sliding block and the sliding groove, and the rear end of the stay wire is fixedly connected with the sliding block, so that when the through hole is communicated with the sliding block, outside air can enter the sucker through the sliding block, and the sucker is separated from a wall body.

Wherein, the telescoping device comprises bilaterally symmetrical winding cavities, a winding shaft is arranged in the winding cavity in a rotating manner, a winding wheel is fixedly arranged on the winding shaft, the upper end of the chain is wound on the winding wheel, a belt cavity is arranged on the rear end wall of the winding cavity in a communicating manner, a belt rotating shaft is arranged in the belt cavity in a rotating manner, the belt rotating shaft in the belt cavity is connected with the winding shaft through a driving belt power, a meshing cavity is arranged on the front side of the belt cavity in a communicating manner, the front end of the belt rotating shaft extends into the meshing cavity and is fixedly provided with meshing gears, the meshing gears are meshed and matched, a synchronous belt cavity is arranged on the front side of the meshing cavity in a communicating manner, a driving motor is fixedly arranged on the front end wall of the synchronous belt cavity, the front end of the belt rotating shaft on the left side and the right side of the synchronous belt cavity are provided with clamping cavities, and a clamping rotating, the clamping rotating shaft is of a toothed structure, the front end of the clamping rotating shaft, which is close to the meshing cavity, is rotatably connected with the front end wall of the synchronous belt cavity, the belt rotating shaft and the clamping rotating shaft in the synchronous belt cavity are in power connection through a synchronous toothed belt, a clamping rotating wheel is fixedly arranged on the clamping rotating shaft in the clamping cavity, a chain penetrates through the clamping rotating wheel, a connecting gear is fixedly arranged at the rear end of the clamping rotating shaft, the connecting gears are in meshing connection, and therefore the clamping rotating wheel rotates in opposite directions and the winding wheel rotates in opposite directions to enable the chain to be folded and unfolded, and further the lifting of the brushing block is controlled.

Preferably, the periphery of the clamping rotating wheel is uniformly provided with a lug structure and is in clearance fit with the chain, so that when the clamping rotating wheel rotates oppositely, the chain can be driven to stretch.

Wherein, apply paint the device including scribbling the brush groove, scribble rotatable the being equipped with of brush groove rear end wall and scribble the wheel, scribble the wheel with scribble and brush the butt, scribble the slidable installation pole that is equipped with circular cross section of groove right side with a brush, installation pole left end extendable to the cooperation of pegging graft in the mounting hole, the cover is equipped with expanding spring on the installation pole, scribble and be equipped with the connection chamber in the groove left end wall, rotatable the being equipped with of square cross section dwang in the connection chamber, dwang right-hand member extendable to the cooperation of pegging graft in the pegging graft hole, the rotatable drive shaft that is equipped with of dwang downside, the drive shaft with be connected through power belt between the dwang, drive shaft left end power connect install in connect the chamber left end wall the rotation motor, connect the chamber right side and be equipped with the switching, first bevel gear downside meshing is connected with drive gear, drive gear is formed by taper gear and straight-teeth gear upper and lower linking firmly, and the straight-teeth gear part has set firmly the driving lever, switching-over chamber rear side is equipped with the circulation chamber, the circulation chamber upper and lower side respectively with the circulation groove reaches it communicates with each other to scribble the brush groove, circulation intracavity slidable is equipped with the piston, the terminal surface has set firmly the piston rod before the piston, the piston rod front end is equipped with extrusion spring admittedly, the piston rod lower extreme has set firmly the dead lever, the dead lever with the driving lever butt, thereby scribble the brush and rotate to apply paint with a brush the wall body, unnecessary coating gets into in the circulation intracavity, the rotation of driving lever with extrusion spring's combined action makes piston reciprocating motion, and then will the coating in the circulation intracavity circulates extremely again it is used for applying.

Preferably, the rear end wall of the circulation groove is communicated with a one-way sliding groove, a one-way block is slidably arranged in the one-way sliding groove, the one-way block can seal the upper end of the circulation cavity, and a jacking spring is fixedly arranged between the upper end of the one-way block and the one-way sliding groove, so that the one-way block can control the coating to unidirectionally circulate from the circulation cavity into the circulation groove.

Wherein, coiling mechanism includes the rolling chamber, the rolling intracavity rotates and is equipped with the rolling pivot, the torsional spring is equipped with to rolling pivot endotheca, the rolling wheel has set firmly in the rolling pivot, install the connecting pipe in the rolling wheel, runner pipe upper end twine in on the rolling wheel and with the connecting pipe communicates with each other, rolling chamber rear side with the intercommunication is equipped with the coating pipe between the storage chamber, the connecting pipe rear end with coating pipe normal running fit, thereby the runner pipe can be according to the lift of scribbling the brush piece is flexible, and ensures the runner pipe can not twine.

The invention has the beneficial effects that: the device body and the wall body can be stably installed through the lifting rope and the sucker, the outer surface of the wall body can be coated through the rotation of the coating brush during coating, the coating can be vertically and horizontally coated, the coating area is large, and the redundant coating can be recycled when the coating on the coating brush is used, so that the raw materials are saved, the environment is protected, the environmental pollution is reduced, and the device can be used for fully automatically coating the wall body, and is safe and efficient.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a device for painting a surface layer of an exterior wall of a building according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 2;

FIG. 4 is an enlarged view of the structure of "C" of FIG. 3;

FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4;

FIG. 6 is a schematic view of the structure in the direction "E-E" of FIG. 1;

FIG. 7 is an enlarged view of "F" of FIG. 2;

FIG. 8 is a schematic view of the structure in the direction "G-G" of FIG. 7;

FIG. 9 is a schematic view of the structure in the direction "H-H" of FIG. 8;

fig. 10 is an enlarged structural view of "I" of fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-10, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a device for brushing the surface layer of an external wall of a building, which is mainly used for brushing the external wall of the building, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a building outer wall surface layer painting device, which comprises a device main body 10, wherein hanging rings 13 which are bilaterally symmetrical are fixedly arranged on the upper end surface and the lower end surface of the device main body 10 respectively, a lifting rope 14 is tied on the hanging ring 13 on the upper side, the lifting rope 14 is fixedly arranged at the upper side of a building wall body, the painting area of the device main body 10 can be controlled by the extension and contraction of the lifting rope 14, a moving cavity 16 is arranged in the device main body 10, a sucker device 601 is arranged at the front side of the moving cavity 16, suckers 77 which are bilaterally symmetrical are arranged in the sucker device 601, when the suckers 77 are attached to a wall body to be painted, the position of the device main body 10 can be stabilized, a moving screw rod 15 is rotatably arranged in the moving cavity 16, the right end of the moving screw rod 15 is in power connection with a moving motor 17 arranged on the right end wall of the, the moving block 18 is internally provided with a telescopic device 602, the telescopic device 602 comprises two bilaterally symmetrical chains 22, the lower ends of the chains 22 are fixedly provided with a painting block 36, the painting block 36 is internally provided with a painting device 603, the painting device 603 comprises a painting brush 42 and a circulation groove 37, the painting brush 42 can rotate, the upper side of the moving cavity 16 is provided with a storage cavity 11, the storage cavity 11 is sealed by a sealing plug 12, the rear side of the moving cavity 16 is provided with a rolling device 604, the rolling device 604 comprises a circulation pipe 84, the upper end of the circulation pipe 84 is communicated with the storage cavity 11, the lower end of the circulation pipe 84 is communicated with the circulation groove 37, and after paint enters the circulation groove 37 through the circulation pipe 84, the wall is painted through the rotation of the painting brush 42.

Advantageously, the chain 22 is of a one-way bending structure, the left side chain 22 can be bent only to the right side, and the right side chain 22 can be bent only to the left side, so that the left and right chains 22 can ensure smooth lifting and retraction of the painting block 36.

Advantageously, the right end face of the applicator brush 42 is provided with a cylindrical mounting hole 91, and the left end face of the applicator brush 42 is provided with a quadrangular prism-shaped insertion hole 49.

According to the embodiment, the suction cup device 601 will be described in detail below, the suction cup device 601 includes a power motor 61, power shafts 62 are symmetrically installed at the left and right ends of the power motor 61, transmission cavities 63 are communicated with the left and right sides of the power motor 61, a rotation wheel 70 is rotatably installed in the transmission cavities 63 through a rotation shaft 73, a toggle cavity 71 is installed in the rotation wheel 70, one end of the power shaft 62 far away from the power motor 61 extends into the toggle cavity 71 and is fixedly provided with a toggle block 72, a pressure spring 79 is fixedly provided between the lower end surface of the toggle block 72 and the toggle cavity 71, a fixed block 64 is installed on the power shaft 62 in the transmission cavity 63, an inflation device 605 is provided at the rear side of the transmission cavity 63, the inflation device 605 includes a pull wire 65, the pull wire 65 is fixedly connected with the fixed block 64, and a push-pull groove 90 is provided at the side of the transmission cavities 63 far away from each other, one end of the rotating shaft 73, which is far away from the transmission cavity 63, extends into the push-pull groove 90 and is fixedly provided with a rotating gear 75, the lower side of the rotating gear 75 is engaged and connected with a rack 74, a vent pipe 78 is arranged in the rack 74, the front side of the push-pull groove 90 is communicated with the outside to be provided with a groove 76, the front end of the rack 74 extends into the groove 76 and is fixedly installed with the suction cup 77, so that the power motor 61 can drive the rack 74 to move back and forth when working, and the position of the device main body 10 is fixed through the tight fit of the suction cup 77 and a wall body.

According to an embodiment, the following detailed description is provided for an air charging device 605, where the air charging device 605 includes a sliding groove 69, the left end of the air pipe 78 penetrates through the sliding groove 69 and then extends downward to communicate with the outside, a sliding block 68 is slidably disposed in the sliding groove 69, a through hole 67 is disposed in the sliding block 68, a return spring 66 is fixedly disposed between the front end surface of the sliding block 68 and the sliding groove 69, and the rear end of the pulling wire 65 is fixedly connected to the sliding block 68, so that when the through hole 67 communicates with the sliding block 68, outside air may enter the suction cup 77 through the sliding block 68, and the suction cup 77 is separated from the wall.

According to the embodiment, the following detailed description is provided for the telescopic device 602, the telescopic device 602 includes a winding cavity 19 which is bilaterally symmetrical, a winding shaft 20 is rotatably disposed in the winding cavity 19, a winding wheel 21 is fixedly disposed on the winding shaft 20, the upper end of a chain 22 is wound on the winding wheel 21, a belt cavity 34 is disposed at the rear end wall of the winding cavity 19 in communication with each other, a belt rotating shaft 33 is rotatably disposed in the belt cavity 34, the belt rotating shaft 33 in the belt cavity 34 is in power connection with the winding shaft 20 through a transmission belt 35, an engagement cavity 31 is disposed at the front side of the belt cavity 34 in communication with each other, the front end of the belt rotating shaft 33 extends into the engagement cavity 31 and is fixedly provided with engagement gears 32, the two engagement gears 32 are in engagement fit with each other, a synchronous belt cavity 28 is disposed at the front side of the engagement cavity 31 in communication with each other, a driving motor 30 is disposed at the front end wall of the synchronous, the front end of the belt rotating shaft 33 on the left side is in power connection with the driving motor 30, the clamping cavity 23 is arranged on the left side and the right side of the synchronous belt cavity 28, the clamping rotating shaft 25 is arranged in the clamping cavity 23 in a rotating manner, the clamping rotating shaft 25 is in a toothed structure, the front end of the clamping rotating shaft 25 close to the meshing cavity 31 is in rotating connection with the front end wall of the synchronous belt cavity 28, the belt rotating shaft 33 in the synchronous belt cavity 28 and the clamping rotating shaft 25 are in power connection through a synchronous toothed belt 29, the clamping rotating wheel 24 is fixedly arranged on the clamping rotating shaft 25 in the clamping cavity 23, the chain 22 penetrates through the clamping rotating wheels 24, the connecting gear 27 is fixedly arranged at the rear end of the clamping rotating shaft 25, and the connecting gears 27 are in meshing connection, so that the clamping rotating wheels 24 rotate in opposite directions and the winding wheel 21 rotates in opposite directions to enable the chain 22 to be wound, thereby controlling the elevation of the applicator block 36.

Advantageously, the clamping rollers 24 are provided with a plurality of protrusions at the periphery thereof and are in clearance fit with the chain 22, so that the clamping rollers 24 can drive the chain 22 to extend and retract when rotating in opposite directions.

According to the embodiment, the details of the painting device 603 will be described in detail below, the painting device 603 includes a painting slot 41, a painting wheel 43 is rotatably disposed on a rear end wall of the painting slot 41, the painting wheel 43 abuts against the painting brush 42, a mounting rod 60 with a circular cross section is slidably disposed on a right side of the painting slot 41, a left end of the mounting rod 60 is extendable into the mounting hole 91 for inserting and matching, an extension spring 59 is sleeved on the mounting rod 60, a connecting cavity 52 is disposed in a left end wall of the painting slot 41, a rotating rod 50 with a square cross section is rotatably disposed in the connecting cavity 52, a right end of the rotating rod 50 is extendable into the inserting and matching hole 49 for inserting and matching, a driving shaft 54 is rotatably disposed on a lower side of the rotating rod 50, the driving shaft 54 is connected with the rotating rod 50 through a power belt 51, a left end of the driving shaft 54 is power connected to a rotating motor 53 mounted on, a reversing cavity 58 is arranged on the right side of the connecting cavity 52, the right end of the driving shaft 54 extends into the reversing cavity 58 and is fixedly provided with a first bevel gear 55, the lower side of the first bevel gear 55 is connected with a transmission gear 56 in a meshing manner, the transmission gear 56 is formed by vertically and fixedly connecting a conical gear and a straight gear, a shifting lever 57 is fixedly arranged on the straight gear part, a circulating cavity 44 is arranged on the rear side of the reversing cavity 58, the upper side and the lower side of the circulating cavity 44 are respectively communicated with the circulating groove 37 and the painting groove 41, a piston 45 is slidably arranged in the circulating cavity 44, a piston rod 46 is fixedly arranged on the front end surface of the piston 45, an extrusion spring 47 is fixedly arranged at the front end of the piston rod 46, a fixed rod 48 is fixedly arranged at the lower end of the piston rod 46, the fixed rod 48 is abutted against the shifting lever 57, so that the painting, the rotation of the shift lever 57 and the pressing spring 47 cooperate to reciprocate the piston 45, so that the paint in the circulating chamber 44 is circulated to the painting groove 41 for painting.

Advantageously, a one-way sliding groove 40 is arranged at the rear end wall of the circulation groove 37 in a communication manner, a one-way block 38 is slidably arranged in the one-way sliding groove 40, the one-way block 38 can seal the upper end of the circulation cavity 44, and a jacking spring 39 is fixedly arranged between the upper end of the one-way block 38 and the one-way sliding groove 40, so that the one-way block 38 can control the one-way circulation of the coating from the circulation cavity 44 to the circulation groove 37.

According to an embodiment, a detailed description is given below of the winding device 604, the winding device 604 includes a winding cavity 80, a winding shaft 81 is rotatably disposed in the winding cavity 80, a torsion spring 82 is sleeved in the winding shaft 81, a winding wheel 83 is fixedly disposed on the winding shaft 81, a connection pipe 86 is disposed in the winding wheel 83, an upper end of the circulation pipe 84 is wound on the winding wheel 83 and communicated with the connection pipe 86, a coating pipe 85 is disposed between a rear side of the winding cavity 80 and the storage cavity 11, and a rear end of the connection pipe 86 is rotatably engaged with the coating pipe 85, so that the circulation pipe 84 can extend and retract according to the lifting and lowering of the coating block 36, and the circulation pipe 84 is prevented from being entangled.

The following will describe in detail the use steps of the building exterior wall surface painting device in this document with reference to fig. 1 to 10:

initially, the upper end surface of the coating block 36 abuts against the lower end surface of the device body 10, the storage chamber 11 stores the coating, and the through hole 67 is communicated with the vent pipe 78.

During installation, the installation rod 60 is pulled out rightwards, the smearing brush 42 is placed in the smearing groove 41, the inserting hole 49 is inserted into the rotating rod 50, then the installation rod 60 is loosened to be inserted into the installation hole 91, the height of the device body 10 is adjusted through the extension of the lifting rope 14, the position of the smearing brush 42 is matched with the area of a wall to be painted, then the power motor 61 works to drive the power shaft 62 to rotate, the shifting block 72 rotates, at the moment, the pressure spring 79 is in a compression state, the sliding block 68 can be pulled to move forwards through the pull wire 65, the through hole 67 is not communicated with the vent pipe 78, the shifting block 72 drives the rotating wheel 70 to rotate along with the rotation of the power shaft 62, the rotating gear 75 rotates to drive the rack 74 to move forwards, the suction disc 77 moves forwards, air in the suction disc 77 is compressed and exhausted to be tightly attached to the wall, and therefore the device body 10 is stably fixed;

when painting, the rotating motor 53 works, the driving shaft 54 and the rotating rod 50 are driven to rotate through the power belt 51, the smearing brush 42 rotates, the paint in the storage cavity 11 circulates into the painting groove 41 through the paint pipe 85 and the circulating pipe 84 and is poured on the smearing brush 42, the rotation of the smearing brush 42 can paint the surface of a wall, the redundant paint poured on the smearing brush 42 flows into the circulating cavity 44, the driving shaft 54 drives the transmission gear 56 to rotate when rotating, the deflector rod 57 can push the fixing rod 48 to move backwards, so that the piston rod 46 moves backwards, at the moment, the extrusion spring 47 is in a stretching state, the piston 45 moves backwards to push the paint in the circulating cavity 44 to flow upwards into the circulating groove 37 and is poured on the smearing brush 42 again for use, when the deflector rod 57 is separated from the fixing rod 48, the deflector rod 42 moves forwards under the elastic restoring force of the extrusion spring 47, so that the smearing brush 42 rotates, the piston 45 can reciprocate to convey the coating;

when painting, the driving motor 30 works to drive the winding wheels 21 to rotate oppositely, the chains 22 are loosened, the clamping rotating wheels 24 rotate oppositely to drive the chains 22 to extend downwards, so that the painting block 36 descends stably, the driving motor 30 rotates reversely to work so that the painting block 36 ascends, so that the painting brush 42 ascends and descends through the forward and reverse rotation of the driving motor 30, after painting in a vertical area is finished, the moving motor 17 works to drive the moving screw 15 to rotate, the moving block 18 moves horizontally, and the surface of a wall is painted horizontally through the painting brush 42;

after painting is finished, the driving motor 30 and the moving motor 17 rotate reversely to enable the painting block 36 and the chain 22 to reset, the power motor 61 rotates reversely to enable the power shaft 62 to rotate reversely, the fixed block 64 rotates, the sliding block 68 moves backwards and resets under the action of elastic restoring force of the restoring spring 66, the through hole 67 is communicated with the vent pipe 78, outside air enters the suction cup 77 through the vent pipe 78 to enable the suction cup 77 to be separated from a wall body, and then the telescopic lifting rope 14 can change the position of the device main body 10 to paint in a region again.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. A coating device for the surface layer of an external wall of a building comprises a device main body; the upper end face and the lower end face of the device main body are respectively fixedly provided with bilaterally symmetrical hanging rings, lifting ropes are tied on the hanging rings on the upper side, the lifting ropes are fixedly arranged at the upper side of a building wall, the telescopic action of the lifting ropes can control the painting area of the device main body, and a moving cavity is arranged in the device main body; the device comprises a device body, a movable cavity and a movable motor, wherein a sucker device is arranged on the front side of the movable cavity, suckers which are bilaterally symmetrical are arranged in the sucker device, when the suckers are attached to a wall body to be painted, the position of the device body can be stabilized, a movable lead screw is rotatably arranged in the movable cavity, the right end of the movable lead screw is in power connection with the movable motor arranged on the right end wall of the movable cavity, and a movable block is arranged on the movable lead screw in a; a telescopic device is arranged in the moving block, two bilaterally symmetrical chains are arranged in the telescopic device, a painting block is fixedly arranged at the lower end of each chain, a painting device is arranged in each painting block, each painting device comprises a painting brush and a circulation groove, and the painting brush can rotate; a storage cavity is arranged on the upper side of the moving cavity and is sealed by a sealing plug, a rolling device is arranged on the rear side of the moving cavity, a circulating pipe is arranged in the rolling device, the upper end of the circulating pipe is communicated with the storage cavity, the lower end of the circulating pipe is communicated with the circulating groove, and after paint enters the circulating groove through the circulating pipe, the wall body is coated by the rotation of the coating brush; the chain is of a structure which is only bent in one direction, the chain on the left side can be bent only to the right side, and the chain on the right side can be bent only to the left side; the right end face of the smearing brush is provided with a cylindrical mounting hole, and the left end face of the smearing brush is provided with a quadrangular columnar plug-in hole; the sucker device comprises a power motor; the power shaft is symmetrically arranged at the left end and the right end of the power motor, a transmission cavity is communicated with the left side and the right side of the power motor, a rotating wheel is rotatably arranged in the transmission cavity through a rotating shaft, a stirring cavity is arranged in the rotating wheel, one end of the power shaft, far away from the power motor, extends into the stirring cavity and is fixedly provided with a stirring block, a pressure spring is fixedly arranged between the lower end surface of the stirring block and the stirring cavity, and a fixed block is arranged on the power shaft in the transmission cavity; the rear side of the transmission cavity is provided with an inflation device, the inflation device comprises a pull wire, the pull wire is fixedly connected with the fixed block, one side of the transmission cavity, which is far away from the transmission cavity, is provided with a push-pull groove, one end of the rotating shaft, which is far away from the transmission cavity, extends into the push-pull groove and is fixedly provided with a rotating gear, the lower side of the rotating gear is engaged and connected with a rack, a vent pipe is arranged in the rack, the front side of the push-pull groove is communicated with the outside and is provided with a groove, and the front end of the rack extends into the groove; the inflator comprises a sliding groove; the left end of the vent pipe penetrates through the sliding groove and then extends downwards to be communicated with the outside, a sliding block is slidably arranged in the sliding groove, a through hole is formed in the sliding block, a return spring is fixedly arranged between the front end surface of the sliding block and the sliding groove, and the rear end of the stay wire is fixedly connected with the sliding block; the telescopic device comprises winding cavities which are symmetrical left and right; a winding shaft is rotatably arranged in the winding cavity, a winding wheel is fixedly arranged on the winding shaft, the upper end of the chain is wound on the winding wheel, a belt cavity is communicated with the rear end wall of the winding cavity, a belt rotating shaft is rotatably arranged in the belt cavity, and the belt rotating shaft in the belt cavity is in power connection with the winding shaft through a transmission belt; the front side of the belt cavity is communicated with an engagement cavity, the front end of the belt rotating shaft extends into the engagement cavity and is fixedly provided with an engagement gear, the two engagement gears are engaged and matched, the front side of the engagement cavity is communicated with a synchronous belt cavity, the front end wall of the synchronous belt cavity is fixedly provided with a driving motor, and the front end of the belt rotating shaft on the left side is in power connection with the driving motor; a clamping cavity is arranged on the left side and the right side of the synchronous belt cavity, a clamping rotating shaft is rotatably arranged in the clamping cavity, the clamping rotating shaft is of a toothed structure, the front end of the clamping rotating shaft close to the meshing cavity is rotatably connected with the front end wall of the synchronous belt cavity, the belt rotating shaft and the clamping rotating shaft in the synchronous belt cavity are in power connection through a synchronous toothed belt, clamping rotating wheels are fixedly arranged on the clamping rotating shaft in the clamping cavity, a chain penetrates through the clamping rotating wheels, connecting gears are fixedly arranged at the rear ends of the clamping rotating shafts, and the connecting gears are in meshing connection; the periphery of the clamping rotating wheel is uniformly provided with lug structures which are in clearance fit with the chain; the brushing device comprises a brushing groove; the rear end wall of the painting groove is rotatably provided with a painting wheel which is abutted against the painting brush, the right side of the painting groove is slidably provided with an installation rod with a circular cross section, the left end of the installation rod can extend into the installation hole to be matched in an inserted manner, and the installation rod is sleeved with a telescopic spring; a connecting cavity is arranged in the left end wall of the painting groove, a rotating rod with a square cross section is rotatably arranged in the connecting cavity, the right end of the rotating rod can extend into the inserting hole to be matched in an inserting manner, a driving shaft is rotatably arranged on the lower side of the rotating rod, the driving shaft is connected with the rotating rod through a power belt, and the left end of the driving shaft is dynamically connected with a rotating motor arranged on the left end wall of the connecting cavity; a reversing cavity is arranged on the right side of the connecting cavity, the right end of the driving shaft extends into the reversing cavity and is fixedly provided with a first bevel gear, the lower side of the first bevel gear is connected with a transmission gear in a meshing manner, the transmission gear is formed by vertically and fixedly connecting a conical gear and a straight gear, and a shifting lever is fixedly arranged on the straight gear part; a circulation cavity is arranged at the rear side of the reversing cavity, the upper side and the lower side of the circulation cavity are respectively communicated with the circulation groove and the brushing groove, a piston is arranged in the circulation cavity in a sliding manner, a piston rod is fixedly arranged on the front end surface of the piston, an extrusion spring is fixedly arranged at the front end of the piston rod, a fixed rod is fixedly arranged at the lower end of the piston rod, and the fixed rod is abutted against the deflector rod; the rear end wall of the circulation groove is communicated with a one-way sliding groove, a one-way block is arranged in the one-way sliding groove in a sliding manner, the one-way block can seal the upper end of the circulation cavity, and a jacking spring is fixedly arranged between the upper end of the one-way block and the one-way sliding groove; the winding device comprises a winding cavity; a rolling rotating shaft is rotatably arranged in the rolling cavity, a torsion spring is sleeved in the rolling rotating shaft, a rolling wheel is fixedly arranged on the rolling rotating shaft, a connecting pipe is arranged in the rolling wheel, and the upper end of the circulating pipe is wound on the rolling wheel and is communicated with the connecting pipe; the coating pipe is communicated and arranged between the rear side of the winding cavity and the storage cavity, and the rear end of the connecting pipe is in running fit with the coating pipe.