CN107041721B - Fixed glass curtain wall automatic cleaning equipment - Google Patents

Abstract

The fixed glass curtain wall automatic cleaning equipment provided by the present invention is an automatic cleaning equipment using a fixed track as the cleaning route of the cleaning device, and is composed of a water storage device, a water supply device, a cleaning device, a movement device and a thrust device, wherein: a water storage device The device is installed on the roof to collect rainwater and store it as a compensation water source during cleaning to reduce the consumption of tap water; the water supply device is installed between the water storage device and the suspension system of the sports device; the cleaning device is installed On the track, pre-stop on the positioning track, and move to the working track after starting work; the motion device is composed of a suspension system and a wheel train on the cleaning device, which provides power and safety for the up and down movement of the cleaning device; the thrust device is installed in It is attached to the bracket on the wall to open the track for auxiliary cleaning work. The invention can design different guide rails for guiding according to the wall surfaces of different radians, and has strong environmental adaptability.

Description

Fixed glass curtain wall automatic cleaning equipment

technical field

The invention relates to an automatic cleaning device for a glass curtain wall, which cleans the surface of the glass curtain wall through a fixed cleaning guide rail guiding device.

Background technique

As the population surges, modern buildings are increasingly taller. In order to achieve beautiful appearance and high lighting, the glass curtain wall is more and more widely used, followed by the cleaning of the glass curtain wall. Since the existing cleaning methods are mainly manual cleaning, the cleaning is difficult, inefficient and extremely dangerous, so the cleaning cost is very high. The general price is 30 to 40 yuan per square meter, and the higher the price, the more expensive. The problem is that the cleaning cycle is long, mostly once a year, and it is difficult to achieve instant cleaning. Automated cleaning equipment has emerged as the times require, and almost all research directions are the research and development of wall-climbing robots. Robots carry cleaning equipment for cleaning. Although this cleaning method liberates manpower, the single cleaning area is small, the cleaning speed is slow, and In order to realize the function of climbing the wall, the technical content is high and the cost is expensive.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: in view of the above-mentioned defects in the prior art, a curtain wall cleaning device is provided that relies on a fixed track for cleaning, which can design different guide rails for guiding according to the wall surface of different radians, and has a strong environment. adaptability.

The present invention solves its technical problem and adopts following technical scheme:

The fixed glass curtain wall automatic cleaning equipment provided by the present invention is an automatic cleaning equipment using a fixed track as the cleaning route of the cleaning device, and is composed of a water storage device, a water supply device, a cleaning device, a movement device and a thrust device, wherein: a water storage device The device is installed on the roof to collect rainwater and store it as a compensation water source during cleaning to reduce the consumption of tap water; the water supply device is installed between the water storage device and the suspension system of the sports device; the cleaning device is installed On the track, pre-stop on the positioning track, and move to the working track after starting work to clean the outer surface of the curtain wall; the motion device is composed of a suspension system and a wheel train on the cleaning device, which provides power for the up and down movement of the cleaning device and Safety guarantee; the thrust device is installed on the bracket pasted on the wall to open the track for auxiliary cleaning work.

The water storage device is composed of a water reservoir, a hydraulic sensor, a water pump, a first solenoid valve and a water pipe, wherein: the hydraulic sensor and the water pump are installed in the water reservoir, and the first solenoid valve is installed in the water reservoir connected to the water reservoir. on the water pipe.

The water supply device is composed of a water pump, a hydraulic sensor, a second solenoid valve, and a water pipe, wherein: the water pump is connected with the reservoir of the water storage device; the water pipe is fixed on the cantilever in the suspension system, and the water inlet of the water pipe is connected with the water pump ; The second solenoid valve is installed on the water pump, and the hydraulic sensor is installed in the water tank carried by the cleaning device.

The cleaning device is composed of a casing, a motor, a cleaning disc, a spray head, a water tank, an air pump, a water outlet, a rubber water baffle, a fine gauze mesh and a carbon bag, wherein: the air pump is installed on the casing through fastening screws and is connected with the spray head. , using the Venturi effect, the water in the water tank is sucked out and sprayed on the wall; the motor is fixed on the shell by tightening screws, and the output end of the motor is connected to the cleaning disc through a coupling, which drives the cleaning disc to rotate and scrub the glass surface. Drive multiple cleaning discs to rotate and scrub at the same time through the belt drive; the rubber baffle is connected to the shell with stainless steel hinges, and the rotation angle of the hinges is limited by springs to improve the contact strength between the baffle and the wall, which was done once during the cleaning process The cleaned water is blocked by the rubber water baffle and then enters the filter box through the water outlet. The spun gauze is hooped at the water outlet with iron wire, and the carbon bag is scattered in the filter box. Afterwards, it is sprayed from the nozzle located under the cleaning tray, only to wet the glass.

The air pump adopts an industrial vortex oxygen-enhancing air pump.

The cleaning plate is composed of a scrubbing plate and a scrubbing wool cover, wherein: the cleaning plate is coaxially connected with the motor (17), and the impact force when scrubbing the curtain wall is buffered by a spring inside the connecting rod, and the scrubbing wool cover is made of fiber cloth Made, put on the scrubbing plate, used to scrub the stains on the glass surface.

The motion device is composed of a track, a gear train, a motor and a suspension system, wherein the track is installed on the wall, opened by a thrust device during operation, docked with the positioning track on the suspension system, and stored on the positioning track. The cleaning device descends along the track; the wheel train is installed on both sides of the cleaning device, and the wheel train adopts a rubber wheel with a depression in the middle, which is connected with the thick track and the thin track in the track respectively; the suspension system consists of a trolley, a hoist, a cantilever water injection port, It is composed of positioning track, hanging pile, positioning push rod and support feet. It moves downward by the gravity of the cleaning device itself. At this time, the hoist is only used to provide the gravity of the cleaning device. When rising, the hoist overcomes the gravity of the cleaning device and increases the output to clean The device is pulled up.

The track includes a positioning track mounted on the suspension system for placing the cleaning device on the working track and a working track mounted on the wall for the cleaning device to perform cleaning work; the working track is fixed on the wall by a bracket. On the surface, the bracket is fixed on the wall by means of gluing through the larger bonding surface, the thick track and the thin track are connected with the bracket by hinges, and the size of the thick track and the thin track matches the wheel train.

The rails are retracted into the rail brackets when the cleaning work is not carried out, and are attached to the wall surface, so that they do not appear too prominent and reduce the impact on the viewing of the curtain wall building itself. When the work needs to be done, the thrust device pushes the track away and fixes it in a position perpendicular to the wall, and then the positioning track and the working track are docked and the cleaning device is put into the track for cleaning.

The thrust device is connected with the track in the motion device by means of articulation, and the thrust device is composed of an automatic push-pull rod and a connecting rod. Block mechanism that makes the track open to 90 degrees when the automatic push-pull lever retracts.

Compared with the prior art, the present invention has the following main beneficial effects:

1. Install the water injection port of the water supply device on the suspension system at the initial position of the cleaning device, which is convenient for replenishing the water volume of the cleaning device before it works.

2. With the fixed track design, tracks with different curvatures and inclinations can be laid for different walls. Combined with the rubber wheel train, the cleaning device can clean the walls of any shape. There are relatively firm support points on the vertical surface to ensure the safety and reliability of the device.

3. The design of the track can greatly improve the working accuracy of the equipment, and can realize the simultaneous operation of multiple cleaning devices to avoid interference and obstruction between the devices. Thereby improving the cleaning efficiency. Experiments have been carried out on this effect, and the data show that the device can achieve high-precision operation in an outdoor environment. In the case of avoiding systematic errors, the unit length offset of this device does not exceed 0.2%. The detailed experimental data are shown in Table 1.

4. The design of the track can ensure that the equipment is not affected by the environmental time and is less sensitive to the environment.

5. The more accurate operation provides a guarantee for the improvement of the cleaning speed, and relevant experiments are carried out. The detailed experimental data are shown in Table 2.

Description of drawings

FIG. 1 is a schematic diagram of the composition of the suspension system of the exercise device of the present invention.

FIG. 2 is a schematic view of the track structure in the fixed glass curtain wall automatic cleaning equipment of the present invention.

3 is a schematic structural diagram of a cleaning device in the fixed glass curtain wall automatic cleaning equipment of the present invention.

FIG. 4 is a schematic diagram of the connection between the cleaning device and the track and the track and the wall of the present invention.

Fig. 5 is a push rod used to assist positioning in the suspension system of the present invention.

Figure 6 is a thrust device for opening and closing the track of the present invention.

Fig. 7 is the gear train designed by the present invention.

In the picture: 1. trolley; 2. hoist; 3. cantilever water injection port; 4. positioning track; 5. hanging pile; 6. positioning push rod; 7. working track; 8. supporting foot; 9. water pipe; 10. thick Track; 11. Thin track; 12. Track bracket; 13. Scrub plate; 14. Sprinkler; 15. Rubber baffle; 16. Water outlet; 17. Motor; 18. Shell; 19. Wall; 20. Track; 21 22. Cleaning device; 23. Automatic push-pull rod; 24. Connecting rod; 25. Large wheel; 26. Small wheel; 27. Stable driven wheel.

Detailed ways

The invention proposes a device for using a fixed track to assist the mechanical cleaning of the curtain wall. Tracks designed for curtain walls with different shapes are fixed on the wall to provide guidance and working pressure for the movement of the cleaning device. At the same time, rainwater is collected as an auxiliary water source, and combined with the self-filtering and self-circulating cleaning device, the purpose of saving water resources is achieved. The track design proposed by the device can be used for walls of different shapes, completely fit with the wall during the working process, and has good environmental adaptability.

The present invention will be further described below with reference to the embodiments and the accompanying drawings, but the present invention is not limited.

The fixed glass curtain wall automatic cleaning equipment provided by the present invention is composed of a water storage device, a water supply device, a cleaning device 22, a movement device and a thrust device. The fixed track laid in advance is used to make the cleaning device close to the cleaning surface, and the The filtration device recycles the water that has been cleaned once and reuses it for the second time.

The water storage device is installed on the roof to collect rainwater, store it, and use it as a compensation water source during cleaning to reduce the consumption of tap water. The water storage device consists of a reservoir, a hydraulic sensor, a water pump A, a solenoid valve A and a water pipe, wherein: the hydraulic sensor and the water pump A are installed in the water reservoir, and the solenoid valve A is installed in the water pipe connected to the water reservoir. on the pipeline. When the reservoir is full of water, close the solenoid valve. When the water in the reservoir is less than 1/4, open the solenoid valve A to replenish the water. The shape and structure of the cistern are ordinary ponds, which will not be described here.

The water supply device is installed between the suspension system and the water storage device, the water inlet is connected to the water pump A in the water storage device, and the water outlet is connected to the cantilever water injection port of the suspension system. The sensor detects the residual water in the water tank and replenishes the working water in the water tank carried by the cleaning device.

The water supply device is composed of a water pump A, a hydraulic sensor, a solenoid valve B, and a water pipe 9, wherein: the water pump is connected to the reservoir of the water storage device; the water pipe 9 is fixed on the cantilever in the suspension system, and the water inlet is connected to the water pump A; The solenoid valve B is installed on the water pump A, which is used to control the switch of the water pump. The hydraulic sensor is installed in the water tank carried by the cleaning device. The hydraulic sensor is used to monitor the water volume in the water tank in real time and replenish the cleaning water in time.

The cleaning device 22 is connected to the hoist 2 in the suspension system through a steel wire rope, adopts a water-saving design, adds a filter and recovery part, reduces the consumption of tap water during the cleaning process, reduces cleaning costs, and realizes the laying on the outer wall surface can be recovered hidden. The track, as the guiding mechanism of the cleaning device, is not affected by the inclination of the wall.

The cleaning device is composed of a casing 18, a motor 17, a cleaning disc 13, a nozzle 14, a water tank, an air pump, a water outlet 16, a rubber water baffle 15, a spun gauze and a carbon bag, wherein: the air pump on the cleaning device (using an industrial vortex) The oxygen-enhancing air pump) is installed on the casing 18 by tightening screws, and is connected with the spray head 14, and the Venturi effect is used to suck out the water in the water tank and spray it on the wall 19; the motor 17 is fixed on the casing 18 by tightening screws. On the upper side, the output end of the motor is connected to the coupling and the cleaning disk 13, which drives the cleaning disk to rotate and scrub the glass surface, and simultaneously drives a plurality of cleaning disks 13 to rotate and scrub through the belt drive. The rubber baffle 15 is connected with the outer casing 18 by a stainless steel hinge, and the rotation angle of the hinge is limited by a spring to improve the contact strength between the baffle and the wall. The water outlet enters the filter box, the spun gauze is hooped at the water outlet with iron wire, and the carbon packets are scattered in the filter box. , for wet glass only. The water sprayed from the upper and lower parts of the scrubbing plate 13 is simply filtered and then sprayed from the lower nozzle for wetting the glass and is easy to scrub; the scrubbing plates 13 are installed staggered to increase the working area. Before the cleaning device works, the hydraulic sensor of the water supply device detects the water volume in the water tank carried by the cleaning device. When the water volume is insufficient, the water pump of the water supply device is turned on to supplement the working water.

The movement device provides power and security for the up and down movement of the cleaning device 22 . The moving device is composed of a track 20, a gear train 21, a motor 17, and a suspension system on a movable rail car erected on the roof, which is convenient for the cleaning device to perform left and right cleaning movement and transfer storage, wherein: the track 20 is installed in the On the wall, it is opened by the thrust device during operation and docked with the positioning track 4 on the suspension system, and the cleaning device stored on the positioning track 4 descends along the track 20; The thick track 10 and the thin track 11 in the 20 are in contact, and the gravity of the cleaning device 22 is used to move downward. At this time, the hoist 2 is only used to provide the gravity of the cleaning device. When rising, the hoist 2 in the suspension system overcomes the gravity of the cleaning device. Increase the output to pull the cleaning unit up.

The track 20 includes a positioning track 4 installed on the suspension system for placing the cleaning device 22 on the working track and a working track 7 installed on the wall for the cleaning device to perform cleaning work. The shape of the track is as follows: shown in Figure 2. The track is composed of a thick track 10 and a thin track 11, of which the working track 7 is fixed on the wall by the track bracket 12, and the track bracket 12 is fixed on the wall by means of gluing (using acid silicone glass glue) through the larger bonding surface. On the wall, the thick track 10 and the thin track 11 are connected with the track bracket 12 by means of hinges. The size of the thick track and the thin track matches the wheel train. In order to satisfy the stable up and down movement of the device, the rubber wheels in the wheel train are The design of the depression in the middle fits better with the thick track 10. The diameter of the large wheel is between 15cm and 20cm, and the width is between 8cm and 10cm.

The wheel train 21 is composed of a large wheel 25, a small wheel 26 and a stable driven wheel 27, wherein: the edge of the large wheel is designed to be concave, which fits better with the thick track, and the small wheel 26 is also a concave edge, because the axles of the two wheels are recessed. The spacing is large and the extension is relatively far, so the stable driven shaft 27 is used to fix the spacing between the large and small wheels, and at the same time reduce the fluctuation during operation and ensure the stability of the cleaning device during the movement.

The suspension system is composed of a trolley 1, a hoist 2, a cantilever water injection port 3, a positioning track 4, a hanging pile 5, a positioning push rod 6, and a supporting foot 8, wherein: the trolley 1 is used to move the entire device, and the next The unit performs cleaning work. The hoist 2 is fixed on the trolley and is connected to the cleaning device 22 for bearing the gravity of the device. The positioning track is fixed on the cantilever for docking with the working track 7 during operation, and the cleaning device 22 is slowly lowered for cleaning. Work. The hanging pile 5 is used to support the cantilever, and the front end of the positioning push rod 6 is designed with a circular arc. When the push rod is extended, the circular arc shape will make the track slide to the middle, so as to assist the positioning track 4 and the working track 7 to correct the position when docking , which is convenient for accurate docking. The working method is as follows: after the working track 7 is opened, the trolley moves to be parallel to the edge of the building, and the push rod is extended. Because the push rod is arc-shaped, the final track will contact the center of the push rod. The rod is perpendicular to the floor, which can ensure that the positioning track and the working track are on the same line, which is convenient for docking.

The rails 20 are retracted into the rail brackets 12 when the cleaning work is not carried out, and are attached to the wall surface 19 so that they do not appear too protruding and reduce the impact on the viewing of the curtain wall building itself. When work is required, the guide rail (track 20 ) is pushed away by the thrust device and fixed in a position perpendicular to the wall, and then the positioning track 4 and the working track 7 are docked and the cleaning device is put into the track for cleaning. For this kind of track, a wheel train corresponding to the thick track 10 and the thin track 11 is designed, and the cleaning device and the guide rail are connected together, because the guide rail itself is fixed, the wheel train adopts rubber wheels, and the connection between the wheel and the cleaning device The spring is used as a shock-absorbing and buffering component, so that the cleaning device can run stably while having sufficient pressure.

The thrust device is composed of an automatic push-pull rod 23 and a connecting rod 24 . As shown in FIG. 5, it is formed by connecting with the track 20 by means of articulation, wherein: the automatic push-pull rod 23 is directly fixed on the wall due to its small volume. Open to 90 degrees when the push-pull lever is retracted. The thrust device is installed in each bracket according to the installation density of the bracket, so that the track can be opened without being laid too much.

The fixed glass curtain wall automatic cleaning equipment provided by the present invention has the following characteristics:

(1) For the innovative design of the track, the thickness of the double track design is adopted, combined with the work of the rubber wheel train, to improve the stability of the equipment during operation. At the same time, it adopts an openable and closeable design, which can be opened again during work to reduce the impact of the track on the overall appearance of the wall.

(2) For the design of the water supply device, the water outlet of the water supply device is installed on the suspension system to facilitate the replenishment of the water storage tank carried by the cleaning part during the working gap.

(3) For the design of the auxiliary positioning push rod, an arc-shaped working surface is used, so that the final contact point between the track and the push rod is at the bottom of the push rod, which is convenient for the docking of the positioning track and the working track.

(4) The concave design of the rubber wheel train makes it fit better with the prototype track.

(5) For the design of the positioning track, it is used to store the cleaning device in idle time and to dock the cleaning device with the working track during work.

(6) The design of the thrust device adopts the crank-slider mechanism, and uses the push-pull rod and the connecting rod to realize the opening and closing of the track. At the same time, the opening angle and self-locking of the track can be limited by limiting the retraction and stretching length of the push-pull rod.

The fixed glass curtain wall automatic cleaning equipment provided by the present invention has the following working process:

After the small pendant on the roof moves to the predetermined position, the working track 7 fixed on the wall is opened by the thrust device, and then the positioning track 4 is docked with the working track through the auxiliary positioning of the positioning push rod 6, and the hydraulic sensor in the water tank detects the water volume. , replenish the working water. After the replenishment is completed, the cleaning device starts to move down slowly. When it is completely moved to the working track, the cleaning work begins. After cleaning a longitudinal unit along the track 20 from top to bottom, the suspension system will clean The device is retracted, and the operation of the second longitudinal unit is carried out, and so on. The present invention can also perform multiple simultaneous operations, thereby improving work efficiency.

The above are only the preferred embodiments of the present invention, which cannot limit the scope of the rights of the present invention. Therefore, equivalent changes made according to the scope of the patent application of the present invention still belong to the protection scope of the present invention.

Table 1 Straightness test when the present invention works in an outdoor environment

serial number Horizontal offset per unit length (mm/m) 1 0 2 0 3 1 4 2 5 0 6 1 7 0 8 0

Table 2 cleaning time test of the present invention

serial number Time per unit length (s/m) 1 98 2 96 3 102 4 99

Claims (7)

1. The utility model provides a fixed glass curtain wall self-cleaning equipment, characterized by one kind utilizes the fixed track to constitute by water storage device, water supply installation, belt cleaning device, telecontrol equipment and thrust device for belt cleaning device washing route, wherein: the water storage device is arranged on the roof and used for collecting rainwater and storing the rainwater, and the rainwater is used as a compensation water source during cleaning, so that the consumption of tap water is reduced; the water supply device is arranged between the water storage device and the suspension system of the movement device; the cleaning device is arranged on the rail, is pre-stopped on the positioning rail, and moves to the working rail after starting working for cleaning the outer surface of the curtain wall; the moving device consists of a suspension system and a wheel train on the cleaning device and provides power and safety guarantee for the up-and-down movement of the cleaning device; the thrust device is arranged on the bracket adhered to the wall surface and is used for opening the track for assisting the cleaning work;

in the motion device: the track (20) is arranged on the wall surface, is opened through a thrust device during working, is butted with a positioning track (4) on the suspension system, and a cleaning device stored on the positioning track (4) descends along the track (20); the wheel system (21) is arranged at two sides of the cleaning device (22), adopts a rubber wheel with a concave middle part and is respectively attached and connected with the thick track (10) and the thin track (11) in the track (20); the suspension system consists of a trolley (1), a winch (2), a cantilever water filling port (3), a positioning track (4), a hanging pile (5), a positioning push rod (6) and a supporting leg (8), the gravity of the cleaning device is utilized to move downwards, the winch (2) is only used for providing the gravity of the cleaning device, and when the lifting system rises, the winch (2) overcomes the gravity of the cleaning device, the output is increased, and the cleaning device is pulled up;

the rail-mounted wheel train is provided with a working rail (7) which is fixed on a wall surface by a rail support (12), the rail support (12) is fixed on the wall surface by a larger binding surface in an adhesive mode, a thick rail (10) and a thin rail (11) are connected with the rail support (12) in a hinged mode, and the sizes of the thick rail and the thin rail are matched with a wheel train;

the thrust device is connected with a track (20) in the moving device in an articulated mode, and consists of an automatic push-pull rod (23) and a connecting rod (24), wherein: the automatic push-pull rod (23) is directly fixed on the wall body, and the track (20) is opened to 90 degrees by a crank slide block mechanism through the connecting rod (24) when the automatic push-pull rod is contracted.

2. The fixed type automatic glass curtain wall cleaning equipment according to claim 1, wherein the water storage device is composed of a water storage tank, a hydraulic sensor, a water pump, a first electromagnetic valve and a tap water pipe, wherein: the hydraulic sensor and the water pump are arranged in the reservoir, and the first electromagnetic valve is arranged on a tap water pipeline connected with the reservoir.

3. The fixed type automatic glass curtain wall cleaning equipment according to claim 1, wherein the water supply device consists of a water pump, a hydraulic sensor, a second electromagnetic valve and a water pipe, wherein: the water pump is connected with a reservoir of the water storage device; the water pipe is fixed on a cantilever in the suspension system, and a water inlet of the water pipe is connected with the water pump; the second electromagnetic valve is arranged on the water pump, and the hydraulic sensor is arranged in a water tank carried by the cleaning device.

4. The fixed type automatic glass curtain wall cleaning equipment according to claim 1, wherein the cleaning device is composed of a shell (18), a motor (17), a cleaning disc (13), a spray head (14), a rubber baffle (15), a water tank, an air pump, a fine gauze and a charcoal bag, wherein: the air pump is arranged on the shell (18) through a fastening screw, is connected with the spray head (14), and sucks water in the water tank out and sprays the water onto a wall surface (19) by adopting a Venturi effect; the motor (17) is fixed on the shell (18) through a fastening screw, the output end of the motor is connected with the cleaning discs (13) through a coupler, the cleaning discs are driven to rotationally scrub the surface of the glass, and meanwhile, the plurality of cleaning discs (13) are driven to rotationally scrub through belt transmission; rubber baffle (15) are connected with shell (18) with the stainless steel hinge to with the turned angle of spring restriction hinge, improve the contact dynamics of baffle and wall, go on once abluent water in the cleaning process and be blocked the back through delivery port (16) and get into in the filter box at the rubber breakwater, the spun yarn net hoops in delivery port department with the iron wire, the charcoal package is scattered in the filter box, sewage carries out simple filtration and activated carbon to the absorption back of less particulate matter, spout from the shower nozzle that is located below the washing dish, only be used for moist glass.

5. The automatic cleaning equipment for fixed glass curtain walls according to claim 4, wherein the air pump is an industrial vortex oxygen-increasing inflator pump.

6. The fixed type automatic glass curtain wall cleaning equipment as claimed in claim 4, wherein the cleaning disc (13) is composed of a scrubbing disc and a scrubbing sleeve, wherein: the scrubbing disc is coaxially connected with the motor (17), the impact force generated when the curtain wall is scrubbed is buffered by the spring in the connecting rod piece, and the scrubbing wool sleeve is made of fiber cloth and sleeved on the scrubbing disc and is used for scrubbing stains on the surface of the glass.

7. The automatic fixed glass curtain wall cleaning equipment according to claim 1, wherein the track (20) is retracted in the track support (12) when not being cleaned, and is attached to the wall surface (19) so as not to be too prominent, thereby reducing the influence on the ornamental value of the curtain wall building; when the cleaning machine needs to work, the track (20) is pushed away by the thrust device and fixed at a position vertical to the wall surface, and then the positioning track (4) is in butt joint with the working track (7) to put the cleaning machine into the track for cleaning.

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