A protective coating spraying device for bridges

Abstract

This utility model relates to the field of paint spraying technology, and in particular to a protective paint spraying device for bridges. It includes a trolley, a loading cylinder, a mounting plate, and electric slide rails. The loading cylinder is fixedly connected to the trolley, and the mounting plate is also fixedly connected to the trolley. Two electric slide rails are mounted on the mounting plate. By starting the output shaft of the first servo motor, a bidirectional screw is driven to rotate. The bidirectional screw drives two support plates, their feed pipes, and nozzles to move outwards. Then, two electric sliders on the electric slide rails are controlled to move the mounting base and all components above it downwards, so that the two feed pipes are positioned on the outer and inner surfaces of the bridge's protective wall, respectively. Subsequently, a delivery pump is started, which delivers the protective paint to the feed pipes through a feed hose and a three-way connecting hose, and then sprays it out from the nozzles. This allows for simultaneous spraying of both the inner and outer surfaces of the bridge, completing the spraying operation on both surfaces in one go, significantly shortening the construction cycle.

Description

Technical Field

[0001] This utility model relates to the field of paint spraying technology, and in particular to a protective paint spraying device for bridges. Background Technology

[0002] Protective coating spraying for bridges refers to the application of specially designed protective coatings to the surface of bridge structures to protect them from environmental erosion, thereby extending their service life and maintaining their structural integrity.

[0003] Patent CN214077364U discloses a waterproof coating spraying device for roads and bridges. It includes a spraying device housing, with casters fixedly connected to the bottom of the housing and a feed hopper fixedly connected to the top. A partition is fixedly connected to the inner top wall of the housing, and a connecting rod is fixedly connected to the bottom of the partition. One end of the connecting rod is fixedly connected to a motor. Using this patent, the device is moved to the side of the bridge retaining wall, and a water pump is started to extract the coating from the spraying device housing. The coating is then sprayed onto the wall through a discharge pipe and a fixed pipe from the nozzle. However, the nozzle of the aforementioned patent is fixedly connected to a support plate, allowing spraying only one side of the wall. It cannot simultaneously treat the other side, requiring additional high-altitude work and increasing safety risks.

[0004] Therefore, there is a need for a bridge protective coating spraying device that can spray both the inside and outside of the bridge wall. Utility Model Content

[0005] In order to overcome the shortcomings of the existing patents, where the nozzle is fixedly connected to the support plate and can only spray one side of the wall, and cannot treat the other side of the wall at the same time, and requires additional high-altitude operation steps to spray the other side, which increases the safety risks, this utility model provides a bridge protective coating spraying device with the function of spraying the inside and outside of the bridge wall.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: A bridge protective coating spraying device, comprising a trolley, a loading cylinder, a mounting plate, electric slide rails, electric sliders, and a mounting base. The loading cylinder is fixedly connected to the trolley, and the mounting plate is also fixedly connected to it. Two electric slide rails are mounted on the mounting plate, and electric sliders are mounted on the electric slide rails, sliding along the electric slide rails. A mounting base is fixedly connected between the two electric sliders. The device also includes a support plate, a first servo motor, a bidirectional screw, a feeding pipe, nozzles, a three-way connecting hose, limit seats, and a delivery pump. The first servo motor is mounted on the mounting base. A bidirectional screw is mounted on the output shaft of the first servo motor via a coupling. Two support plates are threaded onto the bidirectional screw. A feeding pipe is fixedly connected to the support plate, and multiple nozzles are mounted on the feeding pipe. A delivery pump is mounted on the trolley, and a three-way connecting hose connects the delivery pump to the two feeding pipes. A feeding hose connects the delivery pump to the loading cylinder. Three limit seats are fixedly connected to the mounting plate.

[0007] In one embodiment, the device further includes a protective cover, a suction nozzle, a suction tube, and a three-way connecting tube. The protective cover is fixedly connected to both support plates, and three suction nozzles are fixedly connected to the protective cover. The three suction nozzles are connected to each other, and the three suction tubes are connected to each other.

[0008] In one embodiment, the device further includes a connecting seat, guide rods, and a connecting plate. The connecting seat is fixedly connected to the trolley, and two guide rods are fixedly connected to the connecting seat. The connecting plate is slidably mounted on the two guide rods and is fixedly connected to the mounting base.

[0009] In one embodiment, it also includes a second servo motor, a rotating shaft, and a stirring paddle. The second servo motor is mounted on the loading cylinder, and a rotating shaft is mounted on the output shaft of the second servo motor via a coupling. Three stirring paddles are fixedly connected to the rotating shaft.

[0010] In one embodiment, a sealing cap is also included, with the filling cylinder covered by a sealing cap.

[0011] In one embodiment, a handle is also included, which is fixedly connected to the trolley.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. By starting the output shaft of the first servo motor to drive the bidirectional screw to rotate, the bidirectional screw drives the two support plates and their material conveying pipes and nozzles to move outward. Then, the two electric sliders on the electric slide rail are controlled to drive the mounting base and all the components above it to move downward, so that the two material conveying pipes are located on the outer and inner sides of the bridge protective wall respectively. Then, the delivery pump is started, and the delivery pump delivers the protective coating to the material conveying pipe through the material conveying hose and the three-way connecting hose, and sprays it out from the nozzle. In this way, the inner and outer sides of the bridge can be sprayed at the same time, thereby completing the spraying operation of the inner and outer sides of the bridge in one go, which greatly shortens the construction cycle.

[0013] 2. By starting the external air pump, the external air pump absorbs the dust, paint mist and fine particles generated during spraying through the three-way connecting pipe, nozzle and suction pipe, thereby reducing air pollution and preventing workers from inhaling toxic gases.

[0014] 3. By starting the second servo motor, the output shaft of the second servo motor drives the rotating shaft and three agitators to rotate, so that the agitators stir the protective coating, thereby preventing the protective coating from settling or separating its components, ensuring that the coating composition is uniform and consistent, and improving the spraying quality and the stability of the coating performance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the material loading cylinder, mounting base, and conveying pipe of this utility model.

[0017] Figure 3 This is an exploded view of the mounting plate, electric slide rail, and guide rod of this utility model.

[0018] Figure 4 This is a three-dimensional sectional view of the mounting base, protective cover, and tee connecting pipe of this utility model.

[0019] Parts and their numbers in the diagram: 1-Trolley, 2-Feeding cylinder, 3-Mounting plate, 4-Electric slide rail, 5-Electric slider, 6-Mounting base, 7-Support plate, 8-First servo motor, 9-Bidirectional screw, 10-Feeding pipe, 11-Nozzle, 12-T-connecting hose, 1201-Feeding hose, 13-Limit seat, 14-Conveying pump, 15-Protective cover, 16-Suction nozzle, 17-Suction pipe, 18-T-connecting pipe, 19-Connecting base, 20-Guide rod, 21-Connecting plate, 22-Second servo motor, 23-Rotating shaft, 24-Agitator, 25-Sealing cover, 26-Handle. Detailed Implementation

[0020] The embodiments of this utility model will be described below with reference to the accompanying drawings.

[0021] Example 1: A protective coating spraying device for bridges, see reference. Figures 1-4 As shown, the system includes a trolley 1, a loading cylinder 2, a mounting plate 3, an electric slide rail 4, an electric slider 5, and a mounting base 6. The loading cylinder 2 is fixedly connected to the trolley 1, and the mounting plate 3 is fixedly connected to the trolley 1. The mounting plate 3 is located in front of the loading cylinder 2. The electric slide rail 4 is symmetrically installed on the left and right sides of the front side of the mounting plate 3 by bolt connection. The electric slider 5 is installed on the electric slide rail 4 and slides on the electric slide rail 4. The mounting base 6 is fixedly connected between the two electric sliders 5. The system also includes a support plate 7, a first servo motor 8, a bidirectional screw 9, a conveying pipe 10, a nozzle 11, a three-way connecting hose 12, a limit seat 13, and a delivery pump 14. The top rear side of the mounting base 6 is connected by... A first servo motor 8 is bolted together. A bidirectional screw 9 is mounted on the output shaft of the first servo motor 8 via a coupling. Support plates 7 are threaded at both ends of the bidirectional screw 9. A feed pipe 10 is fixedly connected to the support plate 7. Multiple nozzles 11 are evenly spaced on the feed pipe 10. A conveying pump 14 is mounted on the trolley 1. A three-way connecting hose 12 is connected between the conveying end of the conveying pump 14 and the two feed pipes 10. A feed hose 1201 is connected between the extraction end of the conveying pump 14 and the loading cylinder 2. Three limit seats 13 are evenly spaced on the right side of the mounting plate 3 by welding. The three-way connecting hose 12 passes through the three limit seats 13.

[0022] See Figure 1 and Figure 2 As shown, it also includes a sealing cap 25. The filling cylinder 2 is covered with a sealing cap 25 to prevent foreign matter from entering the filling cylinder 2 and to avoid contamination of the paint.

[0023] See Figure 1 As shown, it also includes a handle 26, which is fixedly connected to the trolley 1 to facilitate pushing the trolley 1.

[0024] When protective coating needs to be applied to the bridge, the protective coating is injected into the filling cylinder 2, and the injection port is blocked with the sealing cap 25. Then, the trolley 1 is pushed to the side of the bridge protective wall using the handle 26. The two electric slide rails 4 are then activated, driving the two electric sliders 5 on them to move upward. The two electric sliders 5 drive the mounting base 6 and all the components above it to move upward. Then, the first servo motor 8 is activated, and the output shaft of the first servo motor 8 drives the bidirectional screw 9 to rotate. The bidirectional screw 9 drives the two support plates 7 and the conveying pipe 10 and nozzle 11 on them to move outward. Finally, the two electric slide rails 4 are controlled to move outward. Slider 5 moves downward, and the two electric sliders 5 drive the mounting base 6 and all the components above it to move downward, so that the two material conveying pipes 10 are located on the outer and inner sides of the bridge protective wall respectively. Then, the conveying pump 14 is started. The conveying pump 14 draws the protective coating in the loading cylinder 2 through the material conveying hose 1201, and then conveys the protective coating to the material conveying pipe 10 through the three-way connecting hose 12, and sprays it out from the nozzle 11. In this way, the inner and outer sides of the bridge can be sprayed at the same time, so as to complete the spraying operation of the inner and outer sides of the bridge in one go, which greatly shortens the construction cycle. Then, the trolley 1 is pushed to spray the outer and inner walls of the bridge.

[0025] Example 2: Based on Example 1, refer to Figure 1 and Figure 4 As shown, it also includes a protective cover 15, a suction nozzle 16, an air suction pipe 17, and a three-way connecting pipe 18. The protective cover 15 is fixedly connected to both support plates 7. The material conveying pipe 10 and the nozzle 11 are located inside the protective cover 15. Three suction nozzles 16 are fixedly connected to the protective cover 15. The air suction pipe 17 is connected between the three suction nozzles 16. The three-way connecting pipe 18 is connected between the two air suction pipes 17.

[0026] Before spraying, an external air pump with a collection container is installed at the end of the three-way connecting pipe 18. When spraying, the external air pump is started, and it absorbs the dust, paint mist and fine particles generated during spraying through the three-way connecting pipe 18, the nozzle 16 and the suction pipe 17. The dust, paint mist and fine particles are sucked into the built-in collection container, thereby reducing air pollution and preventing workers from inhaling toxic gases.

[0027] See Figures 1-3 As shown, it also includes a connecting seat 19, guide rods 20 and connecting plate 21. The connecting seat 19 is installed on the trolley 1 by welding. The top of the connecting seat 19 is symmetrically and fixedly connected to the guide rods 20. The two guide rods 20 pass through the mounting base 6. The connecting plate 21 is slidably installed on the two guide rods 20 and is fixedly connected to the mounting base 6.

[0028] When the mounting base 6 moves, the mounting base 6 drives the connecting plate 21 to move on the two guide rods 20, so that the two guide rods 20 guide the connecting plate 21 and the mounting base 6.

[0029] See Figure 2 As shown, it also includes a second servo motor 22, a rotating shaft 23 and an agitator 24. The second servo motor 22 is bolted to the top of the loading cylinder 2. The rotating shaft 23 is mounted on the output shaft of the second servo motor 22 via a coupling. Three agitators 24 are fixedly connected to the rotating shaft 23.

[0030] During spraying, the second servo motor 22 is started. The output shaft of the second servo motor 22 drives the rotating shaft 23 and the three agitators 24 to rotate, so that the agitators 24 stir the protective coating, thereby preventing the protective coating from settling or separating its components, ensuring that the coating components are uniform and consistent, and improving the spraying quality and the stability of the coating performance. After the spraying is completed, the second servo motor 22 is turned off.

[0031] Although this disclosure has been described with respect to only a limited number of embodiments, those skilled in the art who benefit from this disclosure will understand that various other embodiments can be devised without departing from the scope of this invention. Therefore, the scope of this invention should be limited only by the appended claims.

Claims

1. A bridge protective coating spraying device, comprising a trolley (1), a loading cylinder (2), a mounting plate (3), an electric slide rail (4), an electric slider (5), and a mounting base (6), wherein the loading cylinder (2) is fixedly connected to the trolley (1), the mounting plate (3) is fixedly connected to the trolley (1), two electric slide rails (4) are mounted on the mounting plate (3), an electric slider (5) is mounted on the electric slide rail (4), the electric slider (5) slides on the electric slide rail (4), and a mounting base (6) is fixedly connected between the two electric sliders (5), characterized in that, It also includes a support plate (7), a first servo motor (8), a bidirectional screw (9), a conveying pipe (10), a nozzle (11), a three-way connecting hose (12), a limit seat (13), and a conveying pump (14). The first servo motor (8) is installed on the mounting base (6). The bidirectional screw (9) is installed on the output shaft of the first servo motor (8) through a coupling. Two support plates (7) are threaded on the bidirectional screw (9). The conveying pipe (10) is fixedly connected to the support plate (7). Multiple nozzles (11) are provided on the conveying pipe (10). The conveying pump (14) is installed on the trolley (1). The three-way connecting hose (12) is connected between the conveying pump (14) and the two conveying pipes (10). The conveying hose (1201) is connected between the conveying pump (14) and the loading cylinder (2). Three limit seats (13) are fixedly connected to the mounting plate (3).

2. The bridge protective coating spraying device according to claim 1, characterized in that, It also includes a protective cover (15), a suction nozzle (16), a suction pipe (17) and a three-way connecting pipe (18). The protective cover (15) is fixedly connected to both support plates (7). Three suction nozzles (16) are fixedly connected to the protective cover (15). The suction pipe (17) is connected between the three suction nozzles (16). The three-way connecting pipe (18) is connected between the two suction pipes (17).

3. The bridge protective coating spraying device according to claim 2, characterized in that, It also includes a connecting seat (19), a guide rod (20) and a connecting plate (21). The connecting seat (19) is fixedly connected to the trolley (1). Two guide rods (20) are fixedly connected to the connecting seat (19). The connecting plate (21) is slidably arranged on the two guide rods (20). The connecting plate (21) is fixedly connected to the mounting base (6).

4. The bridge protective coating spraying device according to claim 3, characterized in that, It also includes a second servo motor (22), a rotating shaft (23) and an agitator (24). The second servo motor (22) is installed on the loading cylinder (2). The rotating shaft (23) is installed on the output shaft of the second servo motor (22) through a coupling. Three agitators (24) are fixedly connected to the rotating shaft (23).

5. A bridge protective coating spraying device according to claim 4, characterized in that, It also includes a sealing cap (25), and the filling cylinder (2) is covered with a sealing cap (25).

6. A bridge protective coating spraying device according to claim 5, characterized in that, It also includes a handle (26), which is fixedly connected to the trolley (1).

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