Road and bridge pavement construction device

Abstract

The invention provides a road and bridge pavement construction device, and relates to the technical field of pavement polishing, the road and bridge pavement construction device comprises a mobile vehicle and two polishing mechanisms, the polishing mechanisms are slidably connected to the mobile vehicle, the two polishing mechanisms are symmetrically arranged on the mobile vehicle, and the two polishing mechanisms are connected through a distance adjusting mechanism; a gear type reciprocating mechanism, a piston type water spraying mechanism and a dust collection mechanism are arranged on the moving vehicle, the gear type reciprocating mechanism is in sliding connection with the moving vehicle and connected with the two polishing mechanisms through belt wheel mechanisms, the piston type water spraying mechanism is fixedly connected with the gear type reciprocating mechanism, and the dust collection mechanism communicates with the piston type water spraying mechanism. The gear type reciprocating mechanism drives the grinding mechanisms, the piston type water spraying mechanism and the dust suction mechanism to operate, the distance between the two grinding mechanisms can be conveniently adjusted through the distance adjusting mechanism, atomized water is sprayed out through the piston type water spraying mechanism, dust falling is conducted on dust, and the dust, without dust falling, of the atomized water is sucked through the dust suction mechanism.

Description

Technical Field

[0001] The invention relates to the technical field of road surface grinding, and in particular to a road bridge and road surface construction device. Background Art

[0002] Roads and bridges are generally composed of roadbed, pavement, bridges, tunnel engineering and traffic engineering facilities. In the pavement construction of roads and bridges, it is often necessary to grind the pavement through a grinding device.

[0003] The existing polishing device is assisted in walking with the assistance of a mobile vehicle, and the polishing disc is driven by a driving motor to rotate to polish the road surface. However, when the road surface is polished by the polishing disc, a lot of dust will be generated, which affects the health of the construction workers. In addition, two polishing discs are usually set to improve the construction efficiency. However, the two polishing discs are usually rotatably set on the mobile vehicle, and the distance between them is not easy to adjust, which affects the polishing effect. In view of the above problems, we propose a road bridge pavement construction device. Summary of the invention

[0004] The present invention aims to solve the problems in the prior art that dust may float during grinding and the spacing between grinding discs is inconvenient to adjust, and we propose a road bridge pavement construction device.

[0005] The present invention provides a road bridge pavement construction device, comprising a mobile vehicle and a grinding mechanism, wherein the grinding mechanism is slidably connected to the mobile vehicle, two grinding mechanisms are provided, and are symmetrically arranged on the mobile vehicle, and the two grinding mechanisms are connected via a spacing adjustment mechanism;

[0006] The mobile vehicle is provided with a gear-type reciprocating mechanism, a piston-type water spraying mechanism, and a dust suction mechanism. The gear-type reciprocating mechanism is slidably connected to the mobile vehicle and is connected to two grinding mechanisms through a pulley mechanism. The piston-type water spraying mechanism is fixedly connected to the gear-type reciprocating mechanism. The dust suction mechanism is connected to the piston-type water spraying mechanism, and the grinding mechanism, the piston-type water spraying mechanism, and the dust suction mechanism are driven to operate through the gear-type reciprocating mechanism.

[0007] According to a further improved solution of the present invention, the gear-type reciprocating mechanism comprises a bracket 1, a driving motor, a rotating shaft, an incomplete gear, and an annular reciprocating rack;

[0008] The bracket one is fixedly connected to the mobile vehicle, the drive motor is fixedly connected to the mobile vehicle through the bracket one, the rotating shaft is fixedly connected to the output end of the drive motor, the incomplete gear is coaxially fixedly sleeved on the rotating shaft, the mobile vehicle is fixedly connected with a U-shaped frame, and the annular reciprocating rack is slidably connected to the U-shaped frame through the bracket two.

[0009] A further improvement of the present invention is that the grinding mechanism includes a sliding block, a grinding disc shaft, and a grinding disc, the sliding block is slidably connected to the moving vehicle, the grinding disc shaft is rotatably connected to the sliding block, and the grinding disc is concentrically fixedly connected to the grinding disc shaft.

[0010] A further improvement scheme of the present invention is that the pulley mechanism includes a fixed support plate, two sliding blocks, a pulley shaft, a pulley, and a connecting belt. The fixed support plate is fixedly connected to the mobile vehicle, and the two sliding blocks are slidably connected to the mobile vehicle. There are two pulley shafts, which are respectively rotatably connected to the mobile vehicle and the two sliding blocks. The pulley shaft rotatably connected to the mobile vehicle is coaxially fixedly connected to the rotating shaft. There are four pulleys, which are coaxially fixedly sleeved on the pulley shaft and the grinding disc shaft, and the four pulleys are connected by a connecting belt.

[0011] A further improvement scheme of the present invention is that the spacing adjustment mechanism includes a hydraulic rod, a ring, and a connecting shaft. The hydraulic rod is fixedly connected to the fixed support plate. The ring is provided with two upper and lower ones, and four groups are provided. The four groups of the rings are symmetrically arranged in the X direction and the Y direction. The four groups of the rings are coaxially rotatable and sleeved on two grinding disc shafts and two pulley shafts respectively. One of the rings that moves with the sliding block 2 is connected to the hydraulic rod, and the connecting shaft is connected to two adjacent rings, and the two adjacent connecting shafts are distributed up and down.

[0012] A further improvement of the present invention is that the piston-type water spray mechanism comprises a water tank, a piston tube, a piston plate, a piston plate shaft, a water outlet pipe, a water distribution pipe, and an atomizing nozzle. The water tank is arranged on a mobile vehicle, the piston tube extends from the outside of the water tank into the water tank, the piston plate seal is movably arranged in the piston tube, one end of the piston plate shaft is coaxially fixedly connected to the piston plate, and the other end is fixedly connected to the bracket 2, the water outlet pipe is connected to the lower end of the water tank, the water distribution pipe is connected to the water outlet pipe, and the atomizing nozzle is connected to the water distribution pipe in an array manner;

[0013] The piston tube is connected with an air intake pipeline, which is arranged on a side of the piston plate close to the water tank, and a one-way valve is arranged in the air intake pipeline.

[0014] A second one-way valve is arranged in the piston tube, and the second one-way valve is arranged on a side of the air intake pipe close to the water tank.

[0015] A further improvement scheme of the present invention, the dust suction mechanism includes a dust suction pipe, a dust suction head, a delivery pipe, a dust treatment box, an air suction pipe, and an air intake duct 2, the dust suction pipe is arranged at the lower part of the mobile vehicle, the dust suction heads are connected to the dust suction pipe in an array manner, the delivery pipe is connected to the dust suction pipe, the delivery pipe is fixedly connected to the mobile vehicle and extends to the upper part of the mobile vehicle, the dust treatment box is connected to the upper part of the delivery pipe, one end of the air suction pipe is connected to the dust treatment box, and the other end is connected to the piston tube, the part where the air suction pipe is connected to the piston tube is arranged on the side of the piston plate away from the water tank, the air intake duct 2 is connected to the air suction pipe, and a one-way valve 3 is provided inside it.

[0016] A one-way valve four is arranged in the air intake pipe, and the one-way valve three is arranged above the air intake pipe four.

[0017] Beneficial effects of the present invention: A road bridge pavement construction device provided by the present invention:

[0018] 1. The road surface can be polished easily through the polishing mechanism;

[0019] Second, the distance between the two grinding mechanisms can be adjusted conveniently through the distance adjustment mechanism;

[0020] 3. Spray atomized water through the piston-type water spray mechanism to reduce dust;

[0021] 4. The dust that is not removed by the atomized water is absorbed by the dust suction mechanism;

[0022] 5. The grinding mechanism, the piston-type water spraying mechanism and the dust collecting mechanism are driven to operate through the gear-type reciprocating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The present invention is a structural diagram of a road bridge pavement construction device.

[0024] Figure 2 The present invention is a structural diagram of a gear-type reciprocating mechanism of a road bridge pavement construction device.

[0025] Figure 3 A road bridge pavement construction device of the present invention Figure 1 Enlarged view of point A in the middle.

[0026] Figure 4 The present invention is a structural diagram of a pulley mechanism and a spacing adjustment mechanism of a road bridge pavement construction device.

[0027] Figure 5 The present invention is a structural diagram of a piston-type water spraying mechanism and a dust suction mechanism of a road bridge pavement construction device.

[0028] Figure 6The present invention is a cross-sectional view of a piston tube and a piston plate of a road bridge pavement construction device.

[0029] In the attached figure: 1. mobile vehicle; 2. grinding mechanism; 3. spacing adjustment mechanism; 4. gear reciprocating mechanism; 5. piston water spraying mechanism; 6. dust suction mechanism; 7. pulley mechanism; 8. driving motor; 9. rotating shaft; 10. incomplete gear; 11. annular reciprocating rack; 12. bracket 1; 13. U-shaped frame; 14. bracket 2; 15. sliding block; 16. grinding disc shaft; 17. grinding disc; 18. fixed support plate; 19. sliding Block 2; 20, pulley shaft; 21, pulley; 22, connecting belt; 23, hydraulic rod; 24, collar; 25, connecting shaft; 26, water tank; 27, piston tube; 28, piston plate; 29, piston plate shaft; 30, water outlet pipe; 31, water distribution pipe; 32, atomizing nozzle; 33, dust suction pipe; 34, dust suction head; 35, conveying pipe; 36, dust treatment box; 37, suction pipe; 38, air intake pipe; 39, air intake pipe 2. DETAILED DESCRIPTION

[0030] To facilitate the understanding of the present invention, the present application will be described more comprehensively below with reference to the relevant drawings; the drawings show preferred embodiments of the present invention, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein; similarly, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosed content of the present invention.

[0031] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0033] according to Figure 1-Figure 6 A road bridge pavement construction device is shown, comprising a mobile vehicle 1 and a grinding mechanism 2. The mobile vehicle 1 is used to move the entire device. The grinding mechanism 2 is slidably connected to the mobile vehicle 1. Two grinding mechanisms 2 are provided, which are symmetrically arranged on the mobile vehicle 1. The two grinding mechanisms 2 are connected via a spacing adjustment mechanism 3.

[0034] The mobile vehicle 1 is provided with a gear-type reciprocating mechanism 4, a piston-type water spraying mechanism 5, and a dust suction mechanism 6. The gear-type reciprocating mechanism 4 is slidably connected to the mobile vehicle 1, and is connected to the two grinding mechanisms 2 through a pulley mechanism 7. The piston-type water spraying mechanism 5 is fixedly connected to the gear-type reciprocating mechanism 4, and the dust suction mechanism 6 is connected to the piston-type water spraying mechanism 5. The grinding mechanism 2, the piston-type water spraying mechanism 5, and the dust suction mechanism 6 are driven to operate through the gear-type reciprocating mechanism 4.

[0035] The gear-type reciprocating mechanism 4 includes a bracket 12, a driving motor 8, a rotating shaft 9, an incomplete gear 10, and an annular reciprocating rack 11. The bracket 12 is fixedly connected to the mobile vehicle 1, the driving motor 8 is fixedly connected to the mobile vehicle 1 through the bracket 12, the rotating shaft 9 is fixedly connected to the output end of the driving motor 8, the incomplete gear 10 is coaxially fixedly sleeved on the rotating shaft 9, the mobile vehicle 1 is fixedly connected with a U-shaped frame 13, and the annular reciprocating rack 11 is slidably connected to the U-shaped frame 13 through the bracket 2 14. When the driving motor 8 is started, it drives the rotating shaft 9 to rotate, drives the incomplete gear 10 to rotate, and then drives the annular reciprocating rack 11 to move back and forth, and then drives the bracket 2 14 to move, driving the operation of the piston-type water spraying mechanism 5 and the dust suction mechanism 6.

[0036] The grinding mechanism 2 includes a sliding block 15, a grinding disc shaft 16, and a grinding disc 17. The sliding block 15 is slidably connected to the mobile vehicle 1, the grinding disc shaft 16 is rotatably connected to the sliding block, and the grinding disc 17 is concentrically fixedly connected to the grinding disc shaft 16. The pulley mechanism 7 includes a fixed support plate 18, a sliding block 19, a pulley shaft 20, a pulley 21, and a connecting belt 22. The fixed support plate 18 is fixedly connected to the mobile vehicle 1, the sliding block 19 is slidably connected to the mobile vehicle 1, and there are two pulley shafts 20, which are respectively rotatably connected to the mobile vehicle 1 and the sliding block 19. The pulley shaft 20 rotatably connected to the mobile vehicle 1 is coaxially fixedly connected to the rotating shaft 9. There are four pulleys 21, which are coaxially fixedly sleeved on the pulley shaft 20 and the grinding disc shaft 16, and the four pulleys 21 are connected by a connecting belt 22. The driving motor 8 is started, driving the rotating shaft 9 to rotate, driving the pulley 21 to rotate, driving the four sets of pulleys 21 to rotate through the connecting belt 22, and then driving the grinding disc shaft 16 to rotate, and then driving the grinding disc 17 to rotate, so as to grind the road surface.

[0037] The spacing adjustment mechanism 3 includes a hydraulic rod 23, a collar 24, and a connecting shaft 25. The hydraulic rod 23 is fixedly connected to the fixed support plate 18. The collar 24 is provided with two upper and lower ones, and four groups are provided. The four groups of collars 24 are symmetrically arranged in the X direction and the Y direction. The four groups of collars 24 are respectively coaxially rotatable and sleeved on the two grinding disc shafts 16 and the two pulley shafts 20. One of the collars 24 that moves with the sliding block 12 is connected to the hydraulic rod 23. The connecting shaft 25 is connected to two adjacent collars 24. The two adjacent connecting shafts 25 are distributed up and down. When the hydraulic rod 23 is started, with the assistance of the sliding block 19, the collar 24 is driven to move, the relative pulley shaft 20 is driven to move, the two adjacent connecting shafts 25 are driven to move and rotate, the other two sliding blocks 19 are driven to approach or move away from each other, and the corresponding two grinding disc shafts 16 are driven to approach or move away from each other, so that the two grinding discs 17 can be driven to move, and the spacing between them can be adjusted, and the tension of the connecting belt 22 can also be ensured.

[0038] The piston type water spray mechanism 5 comprises a water tank 26, a piston tube 27, a piston plate 28, a piston plate shaft 29, a water outlet pipe 30, a water distribution pipe 31, and an atomizing nozzle 32. The water tank 26 is arranged on the mobile vehicle 1, the piston tube 27 extends from the outside of the water tank 26 into the water tank 26, the piston plate 28 is sealably arranged in the piston tube 27, one end of the piston plate shaft 29 is coaxially fixedly connected to the piston plate 28, and the other end is fixedly connected to the bracket 14, and the water outlet pipe 30 is connected to the lower end of the water tank 26. The water distribution pipe 31 is connected to the water outlet pipe 30, and the atomizing nozzles 32 are connected to the water distribution pipe 31 in an array. The piston tube 27 is connected to the air intake pipe 38. The piston plate shaft 29 is driven to reciprocate through the gear-type reciprocating mechanism 4, and then the piston plate 28 is driven to reciprocate. When the piston plate 28 moves away from the drive motor 8, the water tank 26 is pressurized, and the water in the water tank 26 is sprayed out through the water outlet pipe 30, the water distribution pipe 31, and the atomizing nozzles 32 to reduce dust.

[0039] The air intake pipe 38 is arranged on a side of the piston plate 28 close to the water tank. A one-way valve 1 is arranged in the air intake pipe 38. When the piston plate 28 approaches the drive motor 8, air is introduced into the piston tube 27 through the air intake pipe 38.

[0040] A second one-way valve is provided in the piston tube 27 , and the second one-way valve is provided on a side of the air intake pipe 38 close to the water tank 26 . When the piston plate 28 moves away from the drive motor 8 , the water tank 26 is in a pressurized state.

[0041] The dust collection mechanism 6 includes a dust collection pipe 33, a dust collection head 34, a delivery pipe 35, a dust treatment box 36, an air intake pipe 37, and an air intake pipe 39. The dust collection pipe 33 is arranged at the lower part of the mobile vehicle 1. The dust collection head 34 is connected to the dust collection pipe 33 in an array manner. The delivery pipe 35 is connected to the dust collection pipe 33. The delivery pipe 35 is fixedly connected to the mobile vehicle 1 and extends to the upper part of the mobile vehicle 1. The dust treatment box 36 is connected to the upper part of the delivery pipe 35. One end of the air intake pipe 37 is connected to the dust treatment box 36. The other end is connected with the piston tube 27. The part where the air suction pipe 37 is connected with the piston tube 27 is arranged on the side of the piston plate 28 away from the water tank 26. When the piston plate 28 is driven by the gear-type reciprocating mechanism 4 to move in the direction away from the driving motor 8, negative pressure is applied to the air suction pipe 37, the conveying pipe 35, the dust suction pipe 33 and the dust suction head 34. The dust from the outside enters the dust treatment box 36 through the dust suction head 34, the dust suction pipe 33 and the conveying pipe 35, and the dust is intercepted and processed.

[0042] The second air intake pipe 39 is connected to the air intake pipe 37, and a one-way valve 3 is provided inside the second air intake pipe 39. When the piston plate 28 approaches the drive motor 8, the second air intake pipe 39 is in an exhaust state.

[0043] A one-way valve four is provided in the air intake pipe 37, and the one-way valve four is provided above the air intake pipe 2 39. When the piston plate 28 moves away from the drive motor 8, the air intake pipe 37 is in an air intake state.

[0044] Principle of the present invention:

[0045] When in use, the mobile vehicle 1 drives the entire device to move, water is added to the water tank 26, and the water tank 26 is sealed;

[0046] The hydraulic rod 23 is started, and with the assistance of the sliding block 19, it drives the collar 24 to move, drives the relative pulley shaft 20 to move, drives the two adjacent connecting shafts 25 to move and rotate, drives the other two sliding blocks 19 to move closer to or away from each other, drives the corresponding two grinding disc shafts 16 to move closer to or away from each other, thereby driving the two grinding discs 17 to move, adjust the spacing between them, and ensure the tension of the connecting belt 22;

[0047] After adjustment, the driving motor 8 is started, driving the rotating shaft 9 to rotate, driving the pulley 21 to rotate, driving the four sets of pulleys 21 to rotate through the connecting belt 22, and then driving the grinding disc shaft 16 to rotate, and then driving the grinding disc 17 to rotate, so as to grind the road surface;

[0048] When the rotating shaft 9 rotates, it drives the incomplete gear 10 to rotate, and then drives the annular reciprocating rack 11 to move back and forth, and then drives the bracket 2 14 to move, and then drives the piston plate shaft 29 to move back and forth, and then drives the piston plate 28 to move back and forth. When the piston plate 28 moves away from the driving motor 8, the water tank 26 is pressurized, and the water in the water tank 26 is sprayed out through the water outlet pipe 30, the water distribution pipe 31, and the atomizing nozzle 32 to reduce dust;

[0049] When the piston plate 28 moves in the direction away from the driving motor 8, negative pressure is applied to the suction pipe 37, the delivery pipe 35, the dust suction pipe 33 and the dust suction head 34. External dust enters the dust treatment box 36 through the dust suction head 34, the dust suction pipe 33 and the delivery pipe 35, and the dust is intercepted and treated, thereby increasing the dust treatment effect.

[0050] Although the present invention has been disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Anyone familiar with this technology can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A road bridge pavement construction device, comprising a mobile vehicle (1) and a grinding mechanism (2), wherein the grinding mechanism (2) is slidably connected to the mobile vehicle (1), and is characterized in that: The grinding mechanisms (2) are provided with two, which are symmetrically arranged on the mobile vehicle (1), and the two grinding mechanisms (2) are connected via a spacing adjustment mechanism (3); The mobile vehicle (1) is provided with a gear-type reciprocating mechanism (4), a piston-type water spraying mechanism (5), and a dust suction mechanism (6); the gear-type reciprocating mechanism (4) is slidably connected to the mobile vehicle (1), and is connected to two grinding mechanisms (2) via a pulley mechanism (7); the piston-type water spraying mechanism (5) is fixedly connected to the gear-type reciprocating mechanism (4); the dust suction mechanism (6) is connected to the piston-type water spraying mechanism (5), and drives the grinding mechanism (2), the piston-type water spraying mechanism (5), and the dust suction mechanism (6) to operate via the gear-type reciprocating mechanism (4).

2. A road bridge pavement construction device according to claim 1, characterized in that: The gear-type reciprocating mechanism (4) comprises a bracket (12), a driving motor (8), a rotating shaft (9), an incomplete gear (10), and an annular reciprocating rack (11); The bracket one (12) is fixedly connected to the mobile vehicle (1), the driving motor (8) is fixedly connected to the mobile vehicle (1) through the bracket one (12), the rotating shaft (9) is fixedly connected to the output end of the driving motor (8), the incomplete gear (10) is coaxially fixedly sleeved on the rotating shaft (9), the mobile vehicle (1) is fixedly connected to a U-shaped frame (13), and the annular reciprocating rack (11) is slidably connected to the U-shaped frame (13) through the bracket two (14).

3. A road bridge pavement construction device according to claim 1, characterized in that: The grinding mechanism (2) comprises a sliding block (15), a grinding disc shaft (16), and a grinding disc (17); the sliding block (15) is slidably connected to the moving vehicle (1); the grinding disc shaft (16) is rotatably connected to the sliding block; and the grinding disc (17) is coaxially fixedly connected to the grinding disc shaft (16).

4. A road bridge pavement construction device according to claim 1, characterized in that: The pulley mechanism (7) comprises a fixed support plate (18), a second sliding block (19), a pulley shaft (20), a pulley (21), and a connecting belt (22). The fixed support plate (18) is fixedly connected to the mobile vehicle (1), the second sliding block (19) is slidably connected to the mobile vehicle (1), two pulley shafts (20) are provided, which are respectively rotatably connected to the mobile vehicle (1) and the second sliding block (19), the pulley shaft (20) rotatably connected to the mobile vehicle (1) is coaxially fixedly connected to the rotating shaft (9), and four pulleys (21) are provided, which are coaxially fixedly sleeved on the pulley shaft (20) and the grinding disc shaft (16), and the four pulleys (21) are connected by a connecting belt (22).

5. A road bridge pavement construction device according to claim 4, characterized in that: The spacing adjustment mechanism (3) comprises a hydraulic rod (23), a collar (24), and a connecting shaft (25). The hydraulic rod (23) is fixedly connected to the fixed support plate (18). The collar (24) is provided with two upper and lower collars, and four groups are provided. The four groups of collars (24) are symmetrically arranged in the X direction and the Y direction. The four groups of collars (24) are respectively coaxially rotatably sleeved on the two grinding disc shafts (16) and the two pulley shafts (20). One of the collars (24) that moves with the sliding block 2 (12) is connected to the hydraulic rod (23). The connecting shaft (25) is connected to two adjacent collars (24). The two adjacent connecting shafts (25) are distributed in an upper and lower manner.

6. A road bridge pavement construction device according to claim 2, characterized in that: The piston-type water spray mechanism (5) comprises a water tank (26), a piston tube (27), a piston plate (28), a piston plate shaft (29), a water outlet pipe (30), a water distribution pipe (31), and an atomizing nozzle (32); the water tank (26) is arranged on the mobile vehicle (1); the piston tube (27) extends from the outside of the water tank (26) into the water tank (26); the piston plate (28) is sealingly movably arranged in the piston tube (27); one end of the piston plate shaft (29) is coaxially fixedly connected to the piston plate (28), and the other end is fixedly connected to the bracket 2 (14); the water outlet pipe (30) is connected to the lower end of the water tank (26); the water distribution pipe (31) is connected to the water outlet pipe (30); and the atomizing nozzle (32) is connected to the water distribution pipe (31) in an array; The piston tube (27) is connected to an air intake pipe (38), which is arranged on a side of the piston plate (28) close to the water tank. A one-way valve is arranged in the air intake pipe (38). A second one-way valve is arranged in the piston tube (27), and the second one-way valve is arranged on a side of the air intake pipe (38) close to the water tank (26).

7. A road bridge pavement construction device according to claim 6, characterized in that: The dust collection mechanism (6) comprises a dust collection pipe (33), a dust collection head (34), a conveying pipe (35), a dust treatment box (36), an air suction pipe (37), and an air intake pipe (39); the dust collection pipe (33) is arranged at the lower part of the mobile vehicle (1); the dust collection head (34) is connected to the dust collection pipe (33) in an array manner; the conveying pipe (35) is connected to the dust collection pipe (33); the conveying pipe (35) is fixedly connected to the mobile vehicle (1); and The dust treatment box (36) is connected to the upper part of the conveying pipe (35), one end of the air intake pipe (37) is connected to the dust treatment box (36), and the other end is connected to the piston pipe (27). The part where the air intake pipe (37) is connected to the piston pipe (27) is arranged on the side of the piston plate (28) away from the water tank (26). The air intake pipe 2 (39) is connected to the air intake pipe (37), and a one-way valve 3 is arranged inside the air intake pipe (37). A one-way valve (4) is arranged in the air intake pipe (37), and the one-way valve (4) is arranged above the air intake pipe (39).

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