CN116533939A - Tunnel type automatic car washer - Google Patents

Abstract

The invention discloses a tunnel type automatic car washer, which comprises a chassis and trusses arranged above the chassis, wherein a car conveying line is symmetrically arranged on the chassis, one end of the chassis is provided with an appearance detection frame, the middle part of the chassis is provided with a plurality of cleaning frames, the inner side of the chassis is provided with a plurality of spray heads, one end, far away from the appearance detection frame, of the trusses is provided with a cleaning assembly for wiping off the side surface moisture of a vehicle, the top of the trusses is slidably provided with a top plate, lifting support legs are symmetrically arranged below the trusses, a top surface cleaning roller brush for cleaning the top of the vehicle is symmetrically arranged between the two lifting support legs, side surface cleaning roller brushes for cleaning the two sides of the vehicle are symmetrically arranged below the top plate, the two sides of the vehicle are cleaned by adjusting the width of the two side surface cleaning roller brushes, and meanwhile, when the side surface cleaning roller brushes move along with one another in the moving process, the top surface cleaning roller brushes can lift up and down when the heights facing the top of the vehicle are different, and the cleaning requirements of the top of the vehicle are met.

Description

Tunnel automatic car washing machine

technical field

The invention relates to the technical field of vehicle cleaning, in particular to a tunnel type automatic car washing machine.

Background technique

Existing full-automatic computerized car washing equipment adopts profiling brushing. The so-called profiling brushing is to use the touch pressure control technology to control the fit degree of the bristles of the top brush in the rotation, and to scrub the outer surface of the vehicle. The movement trajectory of the top brush is generated by repeated corrections to the outer surface of the vehicle, especially Models with complex body contours have low work efficiency; in addition, due to the complexity of vehicle models and many types, the size of the exterior contours of vehicles varies greatly, and traditional mechanical brushes cannot quickly change the distance between cleaning brushes. Brush marks on the surface of the vehicle are caused by the brush marks on the surface of the vehicle due to the large extrusion force of the brushes on both sides and the top. At the same time, it cannot form a large cleaning force when facing small-sized vehicles, and there are often parts that cannot be cleaned; in addition, When facing the cleaning from above, the fixed down-pressing type is usually used for cleaning, which is easy to cause pressure on the top of the vehicle. At the same time, when cleaning some dirty parts of the car body, it is impossible to realize partial cleaning, resulting in waste of energy efficiency and cleaning. The problem of increasing time.

Contents of the invention

The object of the present invention is to provide a tunnel-type automatic car washing machine to solve the technical problems in the above-mentioned background.

The purpose of the present invention can be achieved through the following technical solutions:

The tunnel-type automatic car washing machine includes an underframe and a truss arranged above the underframe. The underframe is symmetrically provided with a delivery line for transporting vehicles and one end is provided with a shape detection frame for detecting the vehicle's external dimensions. The middle part of the underframe is provided with a number of cleaning racks and the inner side is provided with a number of nozzles, the bottom of the truss and the end away from the shape detection frame is provided with a cleaning assembly for drying the moisture on the side of the vehicle, and the top of the truss is slidingly provided with a top plate, The lower part of the top plate is symmetrically provided with lifting legs, and the top surface cleaning roller brush for cleaning the top of the vehicle is arranged between the two lifting legs. side cleaning roller brushes.

As a further solution of the present invention: the top plate is symmetrically provided with a scrubbing chute and roller brush blocks are slidingly arranged on the top, and a fixed block is symmetrically arranged above the top plate, and an active screw is arranged to rotate between the two fixed blocks. The driving screw is symmetrically provided with driving blocks and the lower bottom surface is slidingly connected with the top plate, and pulleys are rotated above the roller brush block and the driving block, and several pulleys are connected by transmission belts with teeth. A side roller motor is arranged above one of the roller brush blocks and the output end is connected to the pulley above the roller brush block, and the upper ends of the two side cleaning roller brushes pass through the scrubbing chute and the roller brush block and are connected to the pulley. The roller brush block and the active block are hingedly connected through a stabilizer bar in turn;

One side of the fixed block is provided with a driving motor, and the output end is fixedly connected with the driving screw.

As a further solution of the present invention: the middle part of the lifting leg is provided with a lifting groove and the inside is provided with a lifting slide bar and a lifting screw, and the inside of the lifting leg is slidingly provided with a lifting block, and one side of the lifting block A power box is provided, and one end of the top surface cleaning roller brush is rotatably connected to the lifting block, and the other end is rotatably connected to the power box.

As a further solution of the present invention: one end of the top surface cleaning roller brush located inside the power box is provided with gear one, one side of the power box is provided with a top roller motor and the output end is provided with gear two and meshes with gear one connect.

As a further solution of the present invention: a transmission rod is arranged below the top plate and rotated between the two lifting legs, and the two ends of the transmission rod are symmetrically provided with two lifting bevel teeth. One end of the screw rod is provided with the first lifting bevel gear and is meshed with the second lifting bevel gear. A lifting motor is fixedly arranged above the top plate and the output end is provided with a lifting power bevel gear and is meshed with the second lifting bevel gear.

As a further solution of the present invention: the cleaning assembly includes a suspension arranged on the truss, the suspension is symmetrically provided with distance adjustment grooves and a roller slider is slid inside, and the lower part of the roller slider is rotatably provided with A clean rotating shaft, on which a cleaning roller is arranged.

As a further solution of the present invention: the middle part of the suspension is rotatably provided with a distance-adjusting plate and both sides are symmetrically provided with distance-adjusting lugs, and the two distance-adjusting lugs are hingedly connected to the two roller sliders through the distance-adjusting connecting rod respectively, so that A pitch-adjusting motor is arranged above the suspension, and the output end is connected with the pitch-adjusting disc.

As a further solution of the present invention: a support is provided on the bottom frame and below the clean rotating shaft, and a supporting wheel is provided at the lower end of the clean rotating shaft and is in rolling contact with the support.

As a further solution of the present invention: the inner side of the truss is symmetrically provided with a stroke groove and the inside is rotated with a stroke screw. The top is provided with travel bevel gear two and meshed with travel bevel gear one. Both sides of the top plate are symmetrically provided with travel sliders, and the travel sliders are slidably arranged in the travel groove and threaded with the travel screw.

As a further solution of the present invention: several clean racks are connected to a water pump arranged on one side of the bottom frame through pipelines.

Beneficial effects of the present invention:

(1) In the present invention, the belt pulley is driven by the side roller motor to rotate, and then the side cleaning roller brush can be driven to rotate, and then the side of the vehicle can be cleaned. When the vehicle just enters the bottom of the truss, it is necessary to control the two sides Clean the distance of the roller brush. At this time, the active motor drives the active screw to rotate, so the distance between the two active blocks can be controlled, and then the distance between the two roller brush blocks can be controlled. At this time, when facing vehicles of different widths When the distance is adjusted, the side of the vehicle can also be better cleaned, and in the distance adjustment process, through the function of the stabilizer bar, it not only ensures the stability and symmetry of the distance adjustment, but also solves the problems on the two roller brush blocks. The problem that the belt pulley rotates synchronously through a transmission belt avoids the belt slippage during the distance adjustment process, so that the side cleaning roller brush can be adjusted and worked more stably;

(2) In the present invention, because the height of the top surface of the vehicle is different, the existing car washing roller can be provided with longer washing bristles, and then the vehicle is kept moving forward at a constant speed. At this time, when facing a higher top surface for cleaning, It may happen that the pressure of the brush bristles is too high to cause brushing on the roof glass or car paint. The lifting power bevel gear is driven by the lifting motor to rotate and then the transmission rod is controlled to rotate. At this time, it can be driven by the lifting bevel gear 2 Once the lifting bevel gear rotates, it can drive the lifting screw to rotate, and then control the two lifting blocks to move up and down. , adjust the height of the top cleaning roller brush to a suitable position, so that the top of the vehicle can be completely cleaned, and at the same time ensure that the top surface cleaning roller brush is kept in a suitable position facing different parts, and will not cause damage to the top of the vehicle. damage;

(3) In the present invention, the distance-adjusting groove is arranged symmetrically on the suspension and a roller slider is provided for sliding inside, and a cleaning rotating shaft is arranged on the rotation of the lower part of the roller slider, and a cleaning roller is arranged on the cleaning rotating shaft, and the cleaning roller adopts a free-rotating It is designed in such a way that when the vehicle passes by, it can be in contact with the cleaning roller under friction. At this time, the moisture on the side of the vehicle can be wiped dry by the cleaning roller, and the undried moisture on the top of the vehicle can be air-dried by air drying. It solves the problem that the water on the side of the vehicle is not blown dry during the cleaning process, which causes the side airflow to drive the ground dust to pollute the sides of the vehicle during driving.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is a schematic sectional view of the overall structure of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the active block and the active screw in the present invention;

Fig. 3 is a schematic cross-sectional view of the connection structure between the top surface cleaning roller brush and the lifting leg in the present invention;

Fig. 4 is a schematic diagram of the connection structure between the lifting bevel gear one and the lifting bevel gear two in the present invention;

Fig. 5 is a schematic diagram of the connection structure between the roller slider and the distance adjusting disc in the present invention;

Fig. 6 is a schematic diagram of the connection structure between the clean frame and the underframe in the present invention;

Fig. 7 is a schematic diagram of the connection structure between stroke bevel gear one and stroke bevel gear two in the present invention.

In the figure: 1, underframe; 11, truss; 12, car delivery line; 13, shape inspection frame; 14, cleaning frame; 141, water pump; 142, nozzle; 2, cleaning component; 20, suspension; 21, roller slide block; 211, clean rotating shaft; 212, clean roller; 213, support wheel; 22, support; 23, distance adjustment plate; 231, distance adjustment ear; 30, stroke groove; 31, stroke screw rod; 32, stroke bevel gear one; 33, stroke bevel gear two; 34, stroke motor; 4, top plate; 41, stroke slide block; 42, scrubbing chute; 5, Lifting leg; 50, lifting slot; 501, lifting slide bar; 502, lifting screw; 503, lifting bevel gear one; 51, top cleaning roller brush; 511, gear one; 52, lifting block; 53, power box; 531, top roller motor; 532, gear two; 54, lifting motor; 541, lifting power bevel gear; 55, transmission rod; 551, lifting bevel gear two; 6, side cleaning roller brush; 61, roller brush block; 611, Pulley; 612, side roller motor; 613, transmission belt; 62, fixed block; 621, driving screw rod; 622, driving motor; 63, driving block; 631, stabilizer bar.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Please refer to Fig. 1-shown in Fig. 7, the present invention is a tunnel-type automatic car washing machine, including an underframe 1 and a truss 11 arranged above the underframe 1, and the underframe 1 is symmetrically provided with a car feeding line 12 for transporting vehicles and One end is provided with the shape detection rack 13 that detects the outer shape of the vehicle. The middle part of the underframe 1 is provided with several cleaning racks 14 and a number of nozzles 142 are arranged on the inner side. The cleaning component 2 for drying the moisture on the side of the vehicle, the top plate 4 is slidingly arranged on the top of the truss 11, the lifting legs 5 are arranged symmetrically under the top plate 4, and the top surface for washing the top of the vehicle is arranged between the two lifting legs 5 Cleaning roller brushes 51, the side cleaning roller brushes 6 for washing both sides of the vehicle are arranged symmetrically under the top plate 4, the size of the vehicle is detected by the shape detection frame 13, and then the vehicle body is sprayed and cleaned by the cleaning frame 14 liquid, and then by adjusting the width of the two side cleaning roller brushes 6, the both sides of the vehicle are cleaned. At the same time, when the side cleaning roller brushes 6 are in the process of moving, the top surface cleaning roller brushes 51 will move along with it for a while. When the height of the top of the vehicle is different, it can be lifted up and down, which more effectively meets the cleaning requirements of the top of the vehicle.

Specifically, as shown in FIG. 2 , the top plate 4 is symmetrically provided with a scrubbing chute 42 and roller brush blocks 61 are slidingly arranged on the top, and a fixed block 62 is symmetrically arranged on the top of the top plate 4 and is rotated between the two fixed blocks 62. Drive screw rod 621 is arranged, drive block 63 is symmetrically arranged on the drive screw rod 621 and the lower bottom surface is slidingly connected with top plate 4, and belt pulley 611 is all rotated on the top of roller brush block 61 and drive block 63, and between several belt pulleys 611 there are teeth The drive belt 613 transmission connection of teeth, the top of a roller brush block 61 is provided with a side roller motor 612 and the output end is connected with the belt pulley 611 above the roller brush block 61, and the upper ends of the two side cleaning roller brushes 6 penetrate through the scrubbing chute 42 It is connected with the roller brush block 61 and the pulley 611, and the roller brush block 61 and the active block 63 are hingedly connected by a stabilizer bar 631 in turn; one side of a fixed block 62 is provided with an active motor 622 and the output end is fixedly connected with the active screw rod 621 , firstly, the side roller motor 612 drives the belt pulley 611 to rotate, and then can drive the side cleaning roller brush 6 to rotate, and then can realize the washing of the side of the vehicle. When the vehicle just enters the bottom of the truss 11, it is necessary to control the Clean the distance of the roller brush 6, now drive the active screw rod 621 to rotate by the active motor 622, the distance between the two active blocks 63 can be controlled, and then the distance between the two roller brush blocks 61 can be controlled. For vehicles of different widths, the side of the vehicle can also be better cleaned, and in the distance adjustment process, through the function of the stabilizer bar 631, the stability and symmetry of the distance adjustment are ensured, and at the same time, it also solves the problem of The belt pulley 611 on the two roller brush blocks 61 rotates synchronously through a transmission belt 613, avoiding the situation that the belt slips during the distance adjustment process, so that the side cleaning roller brush 6 can be adjusted and worked more stably.

3 and 4, the middle part of the lifting leg 5 is provided with a lifting groove 50 and the inside is provided with a lifting slide rod 501 and a lifting screw 502, wherein the lifting screw 502 is set for rotation, and the inner sliding of the lifting leg 5 is provided with Lifting block 52, one side of lifting block 52 is provided with power box 53, and one end of top surface cleaning roller brush 51 is connected in rotation with lifting block 52, and the other end is connected in rotation with power box 53;

Secondly, the top surface cleaning roller brush 51 is provided with a gear one 511 at one end inside the power box 53, and one side of the power box 53 is provided with a top roller motor 531 and the output end is provided with a gear two 532 and meshed with the gear one 511. During the lifting process of the top surface cleaning roller brush 51, the top roller motor 531 drives the gear two 532 to rotate to further drive the gear one 511 and the top surface cleaning roller brush 51 to rotate;

In addition, a transmission rod 55 is arranged below the top plate 4 and rotated between the two lifting legs 5, and the two ends of the transmission rod 55 are symmetrically provided with lifting bevel teeth 2 551, and one end of the lifting screw 502 in the lifting leg 5 is set There is a lifting bevel gear 1 503 and is meshed with the lifting bevel gear 2 551, a lifting motor 54 is fixedly arranged above the top plate 4 and a lifting power bevel gear 541 is arranged on the output end and is meshed with the lifting bevel gear 2 551;

Due to the different heights of the top surface of the vehicle, the existing car washing rollers will be provided with longer brush bristles to keep the vehicle moving forward at a constant speed. If the roof glass or car paint is rubbed, the lifting motor 54 drives the lifting power bevel gear 541 to rotate and then controls the transmission rod 55 to rotate. At this time, the lifting bevel gear 2 551 can be used to drive the lifting bevel gear One 503 rotates, and then it can drive the lifting screw 502 to rotate, and then control the two lifting blocks 52 to move up and down. , adjust the height of the top surface cleaning roller brush 51 to a suitable position, so that the top of the vehicle is completely cleaned, while ensuring that the top surface cleaning roller brush 51 is kept in a suitable position facing different parts, and will not affect the vehicle. damage to the top.

Referring to Fig. 1 and Fig. 5, the cleaning assembly 2 includes a suspension 20 arranged on the truss 11, the suspension 20 is symmetrically provided with a distance adjustment groove 201 and a roller slider 21 is provided for sliding inside, and the roller slider 21 is provided below The rotation is provided with a clean shaft 211, and the clean shaft 211 is provided with a clean roll 212. The clean roll 212 is designed to rotate freely. When a vehicle passes by, it can be in contact with the clean roll 212 under the friction situation. At this time, it can pass through the clean roll. 212 Dry the moisture on the side of the vehicle, while the undried moisture on the top of the vehicle can be air-dried by air-drying, which solves the problem of dust pollution on the ground caused by the airflow on the side when the vehicle is not dried during the cleaning process conditions on both sides of the vehicle.

Specifically, the middle part of the suspension 20 is rotatably provided with a distance adjusting plate 23 and both sides are symmetrically provided with distance adjusting ears 231, and the two distance adjusting ears 231 are respectively hingedly connected with the two roller sliders 21 through a distance adjusting connecting rod 232. The top of the frame 20 is provided with a distance-adjusting motor 233 and the output end is connected with the distance-adjusting disk 23; the distance between the two roller sliders 21 can be adjusted by pulling the distance-adjusting connecting rods 232 on both sides in the process of rotating the distance-adjusting disk 23, and then Adjust the distance between the two cleaning rollers 212 to better adapt to different vehicles.

A bracket 22 is provided on the chassis 1 and below the cleaning shaft 211. The lower end of the cleaning shaft 211 is provided with a support wheel 213 and is in rolling contact with the bracket 22, which can effectively increase the stability of the cleaning roller 212 during movement.

With reference to shown in Figure 1, the inner side of truss 11 is symmetrically provided with travel groove 30 and internal rotation is provided with travel screw 31, and one end of travel screw 31 is provided with travel bevel tooth-32, and the top of truss 11 is provided with travel motor 34 and output end The top is provided with travel bevel teeth 2 33 and meshed with the travel bevel gear 1 32, and both sides of the top plate 4 are symmetrically provided with travel sliders 41, which are slidably arranged in the travel groove 30 and threaded with the travel screw 31. The stroke motor 34 can drive the stroke screw 31 to rotate, and then drive the top plate 4 to move. At this time, the vehicle can be cleaned front and back. Saves cleaning time and energy consumption.

Several clean racks 14 are connected with the water pump 141 arranged on one side of the underframe 1 through pipelines. In the whole device, multiple groups of clean racks 14 can be designed, one group sprays clean water with cleaning agent in front, and one group in front Spray clean water afterwards.

Working principle of the present invention:

When working, the vehicle is transported from one end of the underframe 1 to the cleaning area through the delivery line 12, sprayed with clean water after being detected by the shape detection frame 13, and then the vehicle is parked at the cleaning position, and the active screw is driven by the active motor 622 621 rotates, just can control the distance between two active blocks 63, and then control the distance between two roller brush blocks 61, drive belt pulley 611 to rotate through side roller motor 612, and then can drive side cleaning roller brush 6 to carry out Rotate, at the same time, drive the lifting power bevel gear 541 to rotate by the lifting motor 54 and then control the transmission rod 55 to rotate, drive the lifting bevel gear one 503 to rotate by the lifting bevel gear two 551, then just can drive the lifting screw rod 502 to rotate, and then Control the two lifting blocks 52 to move up and down, and drive the gear two 532 to rotate through the top roller motor 531 to further drive the gear one 511 and the top cleaning roller brush 51 to rotate and clean the top of the vehicle. During the cleaning process, the stroke motor The function of 34 can drive the stroke screw 31 to rotate, and then drive the top plate 4 to move. At this time, the vehicle can be cleaned front and back. During the cleaning process, the parts of the vehicle can be cleaned. Move to the clean water position under the effect of water spray cleaning, finally, vehicle contacts with cleaning roller 212 under the situation of friction, by cleaning roller 212, the moisture of vehicle side is wiped dry.

An embodiment of the present invention has been described in detail above, but the content described is only a preferred embodiment of the present invention, and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made according to the application scope of the present invention shall still belong to the scope covered by the patent of the present invention.

Claims (10)

1. The utility model provides an automatic car washer of tunnel type, includes chassis (1) and sets up truss (11) in chassis (1) top, its characterized in that, the symmetry is provided with on chassis (1) and is used for carrying wire (12) and one end of vehicle and is provided with appearance detection frame (13) that detect vehicle overall dimension, the middle part of chassis (1) is provided with a plurality of clean frames (14) and inboard is provided with a plurality of shower nozzles (142), the below of truss (11) and the one end of keeping away from appearance detection frame (13) are provided with clean subassembly (2) that are used for drying vehicle side moisture, the top slip of truss (11) is provided with roof (4), the below symmetry of roof (4) is provided with lift landing leg (5) and is provided with between two lift landing legs (5) and is used for carrying out top surface cleaning roller brush (51) that washs the vehicle top, the below of roof (4) is still symmetrically provided with side cleaning roller brush (6) that are used for washing the vehicle both sides.

2. The tunnel type automatic car washer according to claim 1, characterized in that a brushing chute (42) is symmetrically arranged on the top plate (4), roller brush blocks (61) are slidably arranged above the brushing chute, fixed blocks (62) are symmetrically arranged above the top plate (4), a driving screw (621) is rotatably arranged between the two fixed blocks (62), driving blocks (63) are symmetrically arranged on the driving screw (621), the lower bottom surface of the driving screw is slidably connected with the top plate (4), belt pulleys (611) are rotatably arranged above the roller brush blocks (61) and the driving blocks (63), a plurality of belt pulleys (611) are in transmission connection through a transmission belt (613) with teeth, a side roller motor (612) is arranged above one roller brush block (61), the output ends of the side cleaning roller brushes (6) are connected with the belt pulleys (611) above the roller brush blocks (61), the upper ends of the side cleaning roller brushes (6) penetrate through the chute (42) and the roller brush blocks (61) and are connected with the belt pulleys (611), and the roller brush blocks (61) are sequentially connected with the roller brush blocks (61) through the stable connecting rod (631);

one side of the fixed block (62) is provided with a driving motor (622) and the output end of the driving motor is fixedly connected with a driving screw rod (621).

3. The tunnel type automatic car washer according to claim 1, characterized in that a lifting groove (50) is formed in the middle of the lifting supporting leg (5) and a lifting sliding rod (501) and a lifting screw rod (502) are arranged in the lifting supporting leg, a lifting block (52) is slidably arranged in the lifting supporting leg (5), a power box (53) is arranged on one side of the lifting block (52), one end of the top surface cleaning roller brush (51) is rotatably connected with the lifting block (52), and the other end of the top surface cleaning roller brush is rotatably connected with the power box (53).

4. A tunnel type automatic car washer according to claim 3, characterized in that one end of the top surface cleaning roller brush (51) located inside the power box (53) is provided with a first gear (511), one side of the power box (53) is provided with a top roller motor (531), and the output end is provided with a second gear (532) and is meshed with the first gear (511).

5. A tunnel type automatic car washer according to claim 3, characterized in that a transmission rod (55) is rotatably arranged below the top plate (4) and between two lifting supporting legs (5), two ends of the transmission rod (55) are symmetrically provided with lifting bevel teeth two (551), one end of a lifting screw rod (502) in the lifting supporting legs (5) is provided with lifting bevel teeth one (503) and is in meshed connection with the lifting bevel teeth two (551), a lifting motor (54) is fixedly arranged above the top plate (4), and lifting power bevel teeth (541) are arranged on an output end and are in meshed connection with the lifting bevel teeth two (551).

6. The tunnel type automatic car washer according to claim 1, characterized in that the cleaning assembly (2) comprises a suspension frame (20) arranged on the truss (11), a distance adjusting groove (201) is symmetrically formed in the suspension frame (20) and a roller sliding block (21) is arranged in the suspension frame in a sliding mode, a cleaning rotating shaft (211) is arranged below the roller sliding block (21) in a rotating mode, and a cleaning roller (212) is arranged on the cleaning rotating shaft (211).

7. The tunnel type automatic car washer according to claim 6, characterized in that a distance adjusting disc (23) is rotatably arranged in the middle of the suspension (20), distance adjusting lugs (231) are symmetrically arranged on two sides of the suspension, the two distance adjusting lugs (231) are respectively hinged with the two roller sliding blocks (21) through distance adjusting connecting rods (232), a distance adjusting motor (233) is arranged above the suspension (20), and an output end of the suspension is connected with the distance adjusting disc (23).

8. The tunnel type automatic car washer according to claim 6, characterized in that a bracket (22) is arranged on the underframe (1) and below the cleaning rotating shaft (211), and a supporting wheel (213) is arranged at the lower end of the cleaning rotating shaft (211) and is in rolling contact with the bracket (22).

9. The tunnel type automatic car washer according to claim 1, characterized in that a travel groove (30) is symmetrically formed in the inner side of the truss (11) and a travel screw (31) is rotatably arranged in the truss, a travel first bevel gear (32) is arranged at one end of the travel screw (31), a travel motor (34) is arranged above the truss (11), a travel second bevel gear (33) is arranged at the output end of the truss and is meshed with the travel first bevel gear (32), travel sliding blocks (41) are symmetrically arranged on two sides of the top plate (4), and the travel sliding blocks (41) are slidably arranged in the travel groove (30) and are in threaded connection with the travel screw (31).

10. Tunnel-type automatic car washer according to claim 1, characterized in that several of the cleaning frames (14) are connected with a water pump (141) arranged at one side of the chassis (1) through pipes.