Positioning compensation cleaning system for car washer

Abstract

This invention discloses a positioning compensation cleaning system for a car wash machine, comprising an L-shaped plate, an upper plate, and a side plate. The upper plate is fixed to one side of the horizontal plate of the L-shaped plate, and the side plate is fixed to one side of the vertical plate of the L-shaped plate. An arc-shaped groove is provided at the corner of the L-shaped plate, and a convex shaft is provided within the arc-shaped groove. One end of the convex shaft is fixed to the lower end of one vertical rod of a U-shaped rod, and the lower end of the other vertical rod of the U-shaped rod is fixedly connected to a motor. The output shaft of the motor is fixedly connected to the center of a cleaning roller. The two vertical rods of the U-shaped rod have different lengths; the longer vertical rod fixes the motor, and the shorter vertical rod fixes the convex shaft. Multiple steps are provided at the inner corner of the L-shaped plate. Multiple nozzle groups are respectively provided on the inner vertical surfaces of the multiple steps, perpendicular to the inner horizontal surfaces of the multiple steps. Each nozzle group is fixed to the L-shaped plate, and each nozzle group includes several nozzles. This invention relates to the field of car wash machine technology, specifically to a positioning compensation cleaning system for a car wash machine. This device facilitates the compensation cleaning of the side frame of a car.

Description

Technical Field

[0001] This invention relates to the field of car wash machine technology, and more specifically, to a positioning compensation cleaning system for a car wash machine. Background Technology

[0002] Large-scale automated car wash machines commonly include gate-type and tunnel-type car wash machines. These machines primarily use computer-controlled brushes and high-pressure water to automatically clean cars. They can be categorized as automatic car wash machines and coin-operated car wash machines. They mainly consist of a control system, electrical circuits, air supply, water supply, and mechanical structure. Car wash machines are characterized by their simple operation, aesthetic appeal, and minimal damage to car paint. They have been widely adopted in the automotive service industry in recent years.

[0003] Existing gate and tunnel car wash machines typically clean the top and sides of cars using roller brushes and bristles. For the sides, they simply use sprayed cleaning liquid and water to clean them, which cannot achieve intelligent cleaning of the side frames. Stains on the sides often remain on the car. Therefore, a compensatory cleaning device that can clean the side frames has been designed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a positioning compensation cleaning system for a car wash machine, which facilitates the compensation cleaning of the side frame of a car.

[0005] The present invention achieves its objective by adopting the following technical solutions:

[0006] A positioning compensation cleaning system for a car wash machine includes an L-shaped plate, an upper plate, and a side plate, characterized in that: the upper plate is fixed to one side of the horizontal plate of the L-shaped plate, and the side plate is fixed to one side of the vertical plate of the L-shaped plate;

[0007] An arc-shaped groove is provided at the corner of the L-shaped plate, and a convex shaft is provided in the arc-shaped groove. One end of the convex shaft is fixed to the lower end of one vertical rod of the U-shaped rod, and the lower end of the other vertical rod of the U-shaped rod is fixedly connected to a motor. The output shaft of the motor is fixedly connected to the center of the cleaning roller.

[0008] The two vertical bars of the U-shaped rod are of different lengths; the longer vertical bar fixes the motor, and the shorter vertical bar fixes the convex shaft.

[0009] The L-shaped plate has multiple steps at its inner corner. The inner vertical surfaces of the multiple steps are provided with multiple nozzle groups that are perpendicular to the inner horizontal surfaces of the multiple steps. Each nozzle group is fixed to the L-shaped plate and includes several nozzles.

[0010] As a further limitation of this technical solution, the shorter vertical rod of the U-shaped rod passes through the square slot, and the vertical block of the T-shaped slider is fixedly connected to one side of the square slot. The T-shaped slider is set inside the T-shaped slide rail, and the T-shaped slide rail is set on the upper part of one side of the L-shaped plate.

[0011] As a further limitation of this technical solution, the other end of the convex shaft is set in the groove of the straight groove rod. The telescopic rod of the electric push rod is fixed to the upper center of the straight groove rod. The electric push rod is fixedly connected to the support block. The support block is fixedly connected to the upper part of the other side of the horizontal plate of the L-shaped plate. The telescopic rod of the electric push rod passes through the support block. One end of the straight groove rod is passed through by the vertical rod of the U-shaped fixing rod. The two ends of the U-shaped fixing rod are fixedly connected to the L-shaped plate. One side of the straight groove rod is attached to the other side of the L-shaped plate.

[0012] As a further limitation of this technical solution, the L-shaped plate fixes the telescopic rod end of the symmetrical electric push rod two, the outer shell of the symmetrical electric push rod two fixes the vertical rod of the L-shaped bracket, the upper side of the horizontal bar of the L-shaped bracket fixes the telescopic rod end of the symmetrical electric push rod three, and the upper end of the outer shell of the symmetrical electric push rod three fixes the mounting plate.

[0013] As a further limitation of this technical solution, one end of a connecting rod is hinged to the middle of one side of the crossbar of the U-shaped rod, and the other end of the connecting rod is hinged to an ear block. The lower side of the ear block is fixed to the upper side of one end of a baffle, and the ear block is hinged to the end of one side of the crossbar of the L-shaped plate.

[0014] As a further limitation of this technical solution, mounting holes are provided at the four corners of the mounting plate.

[0015] As a further limitation of this technical solution, the side plate and the top plate are arranged vertically.

[0016] A method for using a positioning compensation cleaning system for a car wash machine includes the following steps:

[0017] Step 1: Using big data such as vehicle model, the telescopic rods of electric push rod three and electric push rod two are pre-set to extend to an appropriate distance to achieve precise positioning of the frame, so that the cleaning roller corresponds to the top of the car door frame;

[0018] Step 2: Control the extension and retraction of the telescopic rod of electric push rod three to control the lifting and lowering of electric push rod two, electric push rod, L-shaped plate, side plate, upper plate, baffle plate and cleaning roller, so as to enable the upper plate to contact the upper side of the car.

[0019] Step 3: By controlling the extension and retraction of the telescopic rod of the electric push rod two, the electric push rod, L-shaped plate, side plate, upper plate, baffle plate and cleaning roller are moved horizontally to enable the side plate to contact the side of the car door.

[0020] Step 4: Control the extension rod of the electric push rod to extend and drive the straight groove rod to move down. The straight groove rod drives the convex shaft to move down. The convex shaft moves in the arc groove. Under the limit of the arc groove, the convex shaft moves along the sliding groove of the straight groove rod. The convex shaft drives the U-shaped rod to move down. The U-shaped rod moves down along the square slot. The U-shaped rod drives the cleaning roller to move down and contact the upper side of the car door frame.

[0021] Step 5: Control the cleaning liquid dispensing device to turn on. The cleaning liquid is sprayed from the nozzle of the nozzle assembly onto the cleaning roller. Turn on the motor. The output shaft of the motor rotates, driving the cleaning roller to rotate, and the cleaning roller performs cleaning.

[0022] Furthermore, in step 4, when the U-shaped rod drives the cleaning roller to move downward, the U-shaped rod drives the baffle plate to tilt and swing downward through the connecting rod. The cleaning liquid sprayed on the baffle plate will be refracted onto the cleaning roller. When the cleaning roller moves upward under the drive of the U-shaped rod, the connecting rod drives the baffle plate to tilt and swing upward, which does not obstruct the spraying of the cleaning liquid.

[0023] Compared with the prior art, the advantages and positive effects of the present invention are:

[0024] (1) By designing an arc groove, the cleaning roller can move back and forth along the edge of the positioned car in an arc shape, and clean the car edge closely;

[0025] (2) The frame of the car can be positioned by relying on the top plate and side plate, using the top and side of the car, and the frame can be accurately positioned by using big data such as the car model to preset an appropriate distance.

[0026] (3) By designing multi-level steps and setting multiple vertical nozzle groups on the inner vertical surface of the steps, the car's frame can be cleaned along the curved surface.

[0027] (4) By designing a baffle plate, the spray of the nozzle is accurately positioned on the roller brush by the linkage that moves with the arc groove. When the cleaning roller moves down, the baffle plate tilts downward, and the cleaning liquid sprayed on the baffle plate will be refracted onto the cleaning roller. When the roller brush moves up, the baffle plate tilts upward, so as not to obstruct the spray of the cleaning liquid. Attached Figure Description

[0028] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. Obviously, the drawings described below are merely some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0029] Figure 1 The three-dimensional representation of the present invention Figure 1 .

[0030] Figure 2 The three-dimensional representation of the present invention Figure 2 .

[0031] Figure 3 The three-dimensional representation of the present invention Figure 3 .

[0032] Figure 4 This is a three-dimensional part of the present invention. Figure 2 .

[0033] Figure 5 The three-dimensional representation of the present invention Figure 4 .

[0034] Figure 6 The three-dimensional representation of the present invention Figure 5 .

[0035] In the diagram: 1. Top plate, 2. U-shaped rod, 3. Connecting rod, 4. L-shaped plate, 5. Baffle plate, 6. Cleaning roller, 7. Nozzle assembly, 8. Nozzle, 9. L-shaped plate, 10. Side plate, 11. Electric push rod two, 12. L-shaped bracket, 13. Electric push rod three, 14. Mounting plate, 15. T-shaped slide rail, 16. Arc groove, 17. Convex shaft, 18. Square slot, 19. Electric push rod, 20. Support block, 21. U-shaped fixing rod, 22. Straight groove rod, 23. Multi-stage step, 25. Motor, 26. T-shaped slider, 27. Ear block. Detailed Implementation

[0036] The following will refer to the appendices in the embodiments of the present invention. Figures 1-6 The technical solutions in the embodiments of the present invention are clearly and completely described herein. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0037] It should be noted that the directional terms such as left, right, up, down, front, and back in the embodiments of the present invention are only relative concepts or are based on the normal use state of the product, i.e., the direction of the product's movement, and should not be considered as limiting.

[0038] When a component is described as "located on" or "set on" another component, it can be on the other component or may be interposed with the component. When a component is described as "connected to" another component, it can be directly connected to the other component or may be interposed with the component.

[0039] The present invention discloses a positioning compensation cleaning system for a car wash machine, including an L-shaped plate 9, an upper plate 1, and a side plate 10. The upper plate 1 is fixed to one side of the horizontal plate of the L-shaped plate 9, and the side plate 10 is fixed to one side of the vertical plate of the L-shaped plate 9.

[0040] An arc groove 16 is provided at the corner of the L-shaped plate 4. A convex shaft 17 is provided in the arc groove 16. One end of the convex shaft 17 is fixed to the lower end of one vertical rod of the U-shaped rod 2. The lower end of the other vertical rod of the U-shaped rod 2 is fixedly connected to the motor 25. The output shaft of the motor 25 is fixedly connected to the center of the cleaning roller 6.

[0041] The two vertical rods of the U-shaped rod 2 have different lengths; the longer vertical rod fixes the motor 25, and the shorter vertical rod fixes the convex shaft 17.

[0042] The L-shaped plate 9 has multiple steps 23 at its inner corner. The inner vertical surfaces of the multiple steps 23 are provided with multiple nozzle groups 7 that are perpendicular to the inner horizontal surfaces of the multiple steps. Each nozzle group 7 is fixed to the L-shaped plate 9 and each nozzle group 7 includes several nozzles 8.

[0043] The shorter vertical rod of the U-shaped rod 2 passes through the square slot 18. The vertical block of the T-shaped slider 26 is fixedly connected to one side of the square slot 18. The T-shaped slider 26 is set in the T-shaped slide rail 15. The T-shaped slide rail 15 is set on the upper part of one side of the L-shaped plate 9.

[0044] The other end of the convex shaft 17 is set in the groove of the straight groove rod 22. The telescopic rod of the electric push rod 19 is fixed to the upper center of the straight groove rod 22. The electric push rod 19 is fixedly connected to the support block 20. The support block 20 is fixedly connected to the upper part of the other side of the horizontal plate of the L-shaped plate 9. The telescopic rod of the electric push rod 19 passes through the support block 20. One end of the straight groove rod 22 is passed through by the vertical rod of the U-shaped fixing rod 21. The two ends of the U-shaped fixing rod 20 are fixedly connected to the L-shaped plate 9. One side of the straight groove rod 22 is attached to the other side of the L-shaped plate 9.

[0045] The L-shaped plate 9 fixes the telescopic rod ends of the symmetrical electric push rod 2 11, the outer shell of the symmetrical electric push rod 2 11 fixes the vertical rod of the L-shaped bracket 12, the upper side of the horizontal bar of the L-shaped bracket 12 fixes the telescopic rod ends of the symmetrical electric push rod 3 13, and the upper end of the outer shell of the symmetrical electric push rod 3 13 fixes the mounting plate 14.

[0046] Mounting holes are provided at the four corners of the mounting plate 14.

[0047] The side plate 10 and the top plate 1 are arranged perpendicularly.

[0048] The nozzle assembly 7 is connected to the cleaning fluid dispensing device via a connecting pipe. The cleaning fluid dispensing device can be a cleaning fluid tank with a dispensing pump, which is existing technology and will not be described in detail here.

[0049] The specific operating procedure is as follows:

[0050] By using big data such as vehicle model, the telescopic rods of electric push rod 313 and electric push rod 21 are pre-set to extend to an appropriate distance to achieve precise positioning of the frame, so that the cleaning roller 6 corresponds to the upper part of the car door frame;

[0051] By controlling the telescopic rod of electric push rod 13, the lifting and lowering of electric push rod 11, electric push rod 19, L-shaped plate 9, side plate 10, upper plate 1, baffle plate 5, and cleaning roller 6 are controlled, thereby enabling the upper plate 1 to contact the upper side of the car. By controlling the extension and retraction of the telescopic rod of electric push rod 11, the horizontal movement of electric push rod 19, L-shaped plate 9, side plate 10, upper plate 1, baffle plate 5, and cleaning roller 6 is controlled, enabling the side plate 10 to contact the side of the car door. The extension of the telescopic rod of electric push rod 19 causes the straight groove rod 22 to move downward. The straight groove rod 22 drives the convex shaft 17 to move downward. The convex shaft 17 moves within the arc groove 16. Under the limit of the arc groove 16, the convex shaft 17 moves along the sliding groove of the straight groove rod 22. The convex shaft 17 drives the U-shaped rod 2 to move downward. The U-shaped rod 2 moves downward along the square slot 18. The U-shaped rod 2 drives the cleaning roller 6 to move downward and contact the upper side of the car door frame. The cleaning liquid dispensing device is turned on, and the cleaning liquid is sprayed from the nozzle 8 of the nozzle group 7 onto the cleaning roller 6. The motor 25 is turned on, and the output shaft of the motor 25 rotates, driving the cleaning roller 6 to rotate. The cleaning roller 6 performs cleaning.

[0052] Example 2: A positioning compensation cleaning system for a car wash machine, comprising an L-shaped plate 9, an upper plate 1, and a side plate 10, wherein the upper plate 1 is fixed to one side of the horizontal plate of the L-shaped plate 9, and the side plate 10 is fixed to one side of the vertical plate of the L-shaped plate 9.

[0053] An arc groove 16 is provided at the corner of the L-shaped plate 4. A convex shaft 17 is provided in the arc groove 16. One end of the convex shaft 17 is fixed to the lower end of one vertical rod of the U-shaped rod 2. The lower end of the other vertical rod of the U-shaped rod 2 is fixedly connected to the motor 25. The output shaft of the motor 25 is fixedly connected to the center of the cleaning roller 6.

[0054] The two vertical rods of the U-shaped rod 2 have different lengths; the longer vertical rod fixes the motor 25, and the shorter vertical rod fixes the convex shaft 17.

[0055] The L-shaped plate 9 has multiple steps 23 at its inner corner. The inner vertical surfaces of the multiple steps 23 are provided with multiple nozzle groups 7 that are perpendicular to the inner horizontal surfaces of the multiple steps. Each nozzle group 7 is fixed to the L-shaped plate 9 and each nozzle group 7 includes several nozzles 8.

[0056] The shorter vertical rod of the U-shaped rod 2 passes through the square slot 18. The vertical block of the T-shaped slider 26 is fixedly connected to one side of the square slot 18. The T-shaped slider 26 is set in the T-shaped slide rail 15. The T-shaped slide rail 15 is set on the upper part of one side of the L-shaped plate 9.

[0057] The other end of the convex shaft 17 is set in the groove of the straight groove rod 22. The telescopic rod of the electric push rod 19 is fixed to the upper center of the straight groove rod 22. The electric push rod 19 is fixedly connected to the support block 20. The support block 20 is fixedly connected to the upper part of the other side of the horizontal plate of the L-shaped plate 9. The telescopic rod of the electric push rod 19 passes through the support block 20. One end of the straight groove rod 22 is passed through by the vertical rod of the U-shaped fixing rod 21. The two ends of the U-shaped fixing rod 20 are fixedly connected to the L-shaped plate 9. One side of the straight groove rod 22 is attached to the other side of the L-shaped plate 9.

[0058] The L-shaped plate 9 fixes the telescopic rod ends of the symmetrical electric push rod 2 11, the outer shell of the symmetrical electric push rod 2 11 fixes the vertical rod of the L-shaped bracket 12, the upper side of the horizontal bar of the L-shaped bracket 12 fixes the telescopic rod ends of the symmetrical electric push rod 3 13, and the upper end of the outer shell of the symmetrical electric push rod 3 13 fixes the mounting plate 14.

[0059] One end of the connecting rod 3 is hinged to the middle of one side of the crossbar of the U-shaped rod 2, and the other end of the connecting rod 3 is hinged to the lug 27. The upper side of one end of the baffle 5 is fixed to the lower side of the lug 27, and the lug 27 is hinged to the end of one side of the crossbar of the L-shaped plate 9.

[0060] Mounting holes are provided at the four corners of the mounting plate 14.

[0061] The side plate 10 and the top plate 1 are arranged perpendicularly.

[0062] In this embodiment, a baffle plate 5 is provided so that the spray from the nozzle is accurately positioned on the cleaning roller 6. When the U-shaped rod 2 moves the cleaning roller 6 downward, the U-shaped rod 2 drives the baffle plate 5 to tilt and swing downward through the connecting rod 3. The cleaning liquid sprayed on the baffle plate 5 will be refracted onto the cleaning roller. When the cleaning roller 6 moves upward under the drive of the U-shaped rod 2, the connecting rod 3 drives the baffle plate 5 to tilt and swing upward, without obstructing the spraying of the cleaning liquid.

[0063] Example 3:

[0064] Based on Embodiment 1 and Embodiment 2, sensors are provided on the lower side of the upper plate 1 and the inner surface of the side plate 10, and the sensors are used for positioning the vehicle.

[0065] This device is simplest to use when applied to minivans and buses that are approximately rectangular in shape. First, the sensor locates the vehicle, and then the frame is cleaned. Other vehicle models have different front and body heights, so an adaptive design is needed, requiring two or three positioning and cleaning cycles.

[0066] The present invention also provides a method for using a positioning compensation cleaning system for a car wash machine, comprising the following steps:

[0067] Step 1: Using big data such as vehicle model, the telescopic rods of electric push rod 3 13 and electric push rod 2 11 are pre-set to extend to an appropriate distance to achieve precise positioning of the frame, so that the cleaning roller 6 corresponds to the upper part of the car door frame;

[0068] Step 2: Control the extension and retraction of the telescopic rod of electric push rod 3 13 to control the lifting and lowering of electric push rod 2 11, electric push rod 19, L-shaped plate 9, side plate 10, upper plate 1, baffle plate 5 and cleaning roller 6, so as to enable the upper plate 1 to contact the upper side of the car.

[0069] Step 3: By controlling the extension and retraction of the telescopic rod of the electric push rod 11, the electric push rod 19, L-shaped plate 9, side plate 10, upper plate 1, baffle plate 5 and cleaning roller 6 are moved horizontally, so that the side plate 10 can contact the side of the car door.

[0070] Step 4: The telescopic rod of the electric push rod 19 extends and drives the straight groove rod 22 to move down. The straight groove rod 22 drives the convex shaft 17 to move down. The convex shaft 17 moves in the arc groove 16. Under the limit of the arc groove 16, the convex shaft 17 moves along the sliding groove of the straight groove rod 22. The convex shaft 17 drives the U-shaped rod 2 to move down. The U-shaped rod 2 moves down along the square slot 18. The U-shaped rod 2 drives the cleaning roller 6 to move down and contact the upper side of the car door frame.

[0071] Step 5: Control the cleaning liquid dispensing device to turn on. The cleaning liquid is sprayed from the nozzle 8 of the nozzle group 7 onto the cleaning roller 6. Turn on the motor 25. The output shaft of the motor 25 rotates and drives the cleaning roller 6 to rotate, and the cleaning roller 6 performs cleaning.

[0072] Furthermore, in step 4, when the U-shaped rod 2 drives the cleaning roller 6 to move downward, the U-shaped rod 2 drives the baffle plate 5 to tilt and swing downward through the connecting rod 3. The cleaning liquid sprayed on the baffle plate 5 will be refracted onto the cleaning roller. When the cleaning roller 6 moves upward under the drive of the U-shaped rod 2, the connecting rod 3 drives the baffle plate 5 to tilt and swing upward, which does not obstruct the spraying of the cleaning liquid.

[0073] The above-disclosed embodiments are merely specific examples of the present invention. However, the present invention is not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A positioning compensation cleaning system for a car wash machine, comprising an L-shaped plate (9), an upper plate (1), and a side plate (10), characterized in that: The upper plate (1) is fixed to one side of the horizontal plate of the L-shaped plate (9), and the side plate (10) is fixed to one side of the vertical plate of the L-shaped plate (9). An arc groove (16) is provided at the corner of the L-shaped plate (4), and a convex shaft (17) is provided in the arc groove (16). One end of the convex shaft (17) is fixed to the lower end of one vertical rod of the U-shaped rod (2), and the lower end of the other vertical rod of the U-shaped rod (2) is fixedly connected to the motor (25). The output shaft of the motor (25) is fixedly connected to the center of the cleaning roller (6). The two vertical rods of the U-shaped rod (2) are of different lengths. The longer vertical rod fixes the motor (25), and the shorter vertical rod fixes the convex shaft (17). The L-shaped plate (9) has multiple steps (23) at its inner corner. The inner vertical surfaces of the multiple steps (23) are provided with multiple nozzle groups (7) that are perpendicular to the inner horizontal surfaces of the multiple steps. Each nozzle group (7) is fixed to the L-shaped plate (9) and each nozzle group (7) includes several nozzles (8). The shorter vertical rod of the U-shaped rod (2) passes through the square slot (18), and the vertical block of the T-shaped slider (26) is fixedly connected to one side of the square slot (18). The T-shaped slider (26) is set in the T-shaped slide rail (15), and the T-shaped slide rail (15) is set on the upper side of the L-shaped plate (9). The other end of the convex shaft (17) is set in the groove of the straight groove rod (22). The upper center of the straight groove rod (22) is fixed with the telescopic rod of the electric push rod (19). The electric push rod (19) is fixedly connected to the support block (20). The support block (20) is fixedly connected to the upper part of the other side of the horizontal plate of the L-shaped plate (9). The telescopic rod of the electric push rod (19) passes through the support block (20). One end of the straight groove rod (22) is passed through by the vertical rod of the U-shaped fixing rod (21). The two ends of the U-shaped fixing rod (21) are fixedly connected to the L-shaped plate (9). One side of the straight groove rod (22) is attached to the other side of the L-shaped plate (9). The L-shaped plate (9) fixes the telescopic rod end of the symmetrical electric push rod two (11), the outer shell of the symmetrical electric push rod two (11) fixes the vertical rod of the L-shaped bracket (12), the upper side of the horizontal bar of the L-shaped bracket (12) fixes the telescopic rod end of the symmetrical electric push rod three (13), and the upper end of the outer shell of the symmetrical electric push rod three (13) fixes the mounting plate (14). The middle of one side of the crossbar of the U-shaped rod (2) is hinged to one end of the connecting rod (3), and the other end of the connecting rod (3) is hinged to the ear block (27). The lower side of the ear block (27) is fixed to the upper side of one end of the baffle plate (5), and the ear block (27) is hinged to the end of one side of the crossbar of the L-shaped plate (9).

2. The positioning compensation cleaning system for a car wash machine according to claim 1, characterized in that: The mounting plate (14) has mounting holes at its four corners.

3. The positioning compensation cleaning system for a car wash machine according to claim 1, characterized in that: The side plate (10) and the top plate (1) are arranged vertically.

4. The method of using the positioning compensation cleaning system for a car wash machine according to claim 1, comprising the following steps: Step 1: Using vehicle model big data, the telescopic rods of electric push rod three (13) and electric push rod two (11) are pre-set to extend to a suitable distance to achieve precise positioning of the frame, so that the cleaning roller (6) corresponds to the top of the car door frame; Step 2: Control the extension and retraction of the telescopic rod of the electric push rod three (13) to control the lifting and lowering of the electric push rod two (11), electric push rod (19), L-shaped plate (9), side plate (10), upper plate (1), shield plate (5) and cleaning roller (6), so as to enable the upper plate (1) to contact the upper side of the car. Step 3: By controlling the extension and retraction of the telescopic rod of the electric push rod 2 (11), the electric push rod (19), L-shaped plate (9), side plate (10), upper plate (1), shielding plate (5) and cleaning roller (6) are controlled to move horizontally, so that the side plate (10) can contact the side of the car door. Step 4: The telescopic rod of the control electric push rod (19) extends and drives the straight groove rod (22) to move down. The straight groove rod (22) drives the convex shaft (17) to move down. The convex shaft (17) moves in the arc groove (16). Under the limit of the arc groove (16), the convex shaft (17) moves along the sliding groove of the straight groove rod (22). The convex shaft (17) drives the U-shaped rod (2) to move down. The U-shaped rod (2) moves down along the square slot (18). The U-shaped rod (2) drives the cleaning roller (6) to move down and contact the upper side of the car door frame. Step 5: Control the cleaning liquid dispensing device to turn on. The cleaning liquid is sprayed from the nozzle (8) of the nozzle group (7) onto the cleaning roller (6). Turn on the motor (25). The output shaft of the motor (25) rotates and drives the cleaning roller (6) to rotate. The cleaning roller (6) performs cleaning.

5. The method of using the positioning compensation cleaning system for a car wash machine according to claim 4, characterized in that: In step 4, when the U-shaped rod (2) drives the cleaning roller (6) to move downward, the U-shaped rod (2) drives the baffle plate (5) to tilt and swing downward through the connecting rod (3). The cleaning liquid sprayed on the baffle plate (5) will be refracted onto the cleaning roller. When the cleaning roller (6) moves upward under the drive of the U-shaped rod (2), the connecting rod (3) drives the baffle plate (5) to tilt and swing upward, which does not obstruct the spraying of the cleaning liquid.

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