A sand blasting cleaning device suitable for bridge construction

Abstract

The utility model relates to the field of building engineering, and specifically relates to a sand blasting cleaning device suitable for bridge construction, which comprises a first spray gun, the first spray gun is provided with a first nozzle, the first nozzle comprises a second nozzle, the second nozzle is fixedly connected with a mounting ring on the right side, the second nozzle and the inner wall of the mounting ring are both coated with a tungsten carbide wear-resistant coating, the mounting ring is fixedly connected with a first square block on the front and back sides, the opposite sides of the two first square blocks are both provided with T-shaped circular grooves, the inner wall of the T-shaped circular groove is slidably connected with a round head clamping column, the opposite sides of the two round head clamping columns are both fixedly connected with circular limit plates, and the opposite sides of the two circular limit plates are both fixedly connected with springs, the first nozzle can be quickly disassembled and replaced without tools, long-time shutdown caused by part replacement is avoided, the sand blasting gun body does not need to be replaced, and the efficient demand of high-altitude and multi-station operation in bridge construction is met.

Description

Technical Field

[0001] This utility model relates to the field of construction engineering, specifically a sandblasting cleaning device suitable for bridge construction. Background Technology

[0002] Sandblasting cleaning equipment for bridge construction is a specialized device that uses high-pressure jetting of abrasive materials (such as quartz sand and steel shot) to impact and grind the bridge surface in order to remove impurities such as rust and old coatings.

[0003] The device generates a high-pressure airflow using compressed air, which carries abrasive particles and sprays them at high speed onto the surface of the bridge to be cleaned. The surface is cleaned by utilizing the impact and cutting action of the abrasive particles.

[0004] Traditional threaded or flanged nozzles require tools for disassembly during replacement, which is time-consuming and significantly reduces operational continuity. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a sandblasting cleaning device suitable for bridge construction.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a sandblasting cleaning device suitable for bridge construction, including a No. 1 spray gun, the No. 1 spray gun is provided with a No. 1 nozzle, the No. 1 nozzle includes a No. 2 nozzle, an installation ring is fixedly connected to the right side of the No. 2 nozzle, the No. 2 nozzle and the inner wall of the installation ring are both coated with tungsten carbide wear-resistant coating, a No. 1 square block is fixedly connected to both the front and rear sides of the installation ring, a T-shaped circular groove is opened on the opposite side of the two No. 1 square blocks, a round head locking post is slidably connected to the inner wall of the T-shaped circular groove, a circular limiting plate is fixedly connected to the opposite face of the two round head locking posts, a spring is fixedly connected to the opposite face of the two circular limiting plates, the outer wall of the circular limiting plate is fixedly connected to the inner wall of the T-shaped circular groove, and the other end of the spring is fixedly connected to the inner wall of the T-shaped circular groove.

[0007] Preferably, the first spray gun includes a gun body, a fixing block is fixedly connected to the left side of the gun body, and second square blocks are fixedly connected to both the front and rear sides of the fixing block. The fixing block has an installation groove on its left side, and circular locking holes are opened on the opposite sides of the two second square blocks. A first pipe connector is fixedly connected to the bottom of the gun body, a fixing hole is fixedly connected to the top of the gun body, and a second pipe connector is fixedly connected to the right side of the gun body.

[0008] Preferably, the inner wall of the mounting groove is slidably connected to the mounting ring and the outer wall of the first square block, and the inner wall of the circular card hole is slidably connected to the outer wall of the round-headed card post.

[0009] Preferably, the No. 1 pipe joint is fixedly connected to a driving mechanism, the driving mechanism includes a pump, the pump output end is fixedly connected to a sand pipe, the pump input end is fixedly connected to a connecting pipe, and the other end of the sand pipe is fixedly connected to the No. 1 pipe joint.

[0010] Preferably, the other end of the connecting pipe is fixedly connected to a No. 1 sand storage tank, which includes a No. 2 sand storage tank. A filter screen is provided at the feed inlet of the No. 2 sand storage tank, and the discharge outlet of the No. 2 sand storage tank is fixedly connected to the other end of the connecting pipe.

[0011] Preferably, a first fixing frame is fixedly connected to the left side of the second sand storage tank, the first fixing frame includes a second fixing frame, a handle is fixedly connected to the upper left side of the second fixing frame, and a tire is provided on the lower left side of the second fixing frame.

[0012] Preferably, the second fixing frame is fixedly connected to the outer wall of the second sand storage tank.

[0013] The advantages of this utility model are:

[0014] This invention allows for disassembly by simultaneously pressing the two round-headed locking posts, causing them to slide against the round holes on both sides. This pushes the circular limiting plate to compress the spring, which then slides into the inner wall of the T-shaped groove. At this point, pulling the second nozzle causes the mounting ring and the first square block to slide and disengage from the mounting groove, completing the disassembly. For installation, align the mounting ring and the first square block with the mounting groove and insert them. Simultaneously press the two round-headed locking posts during insertion. After sliding to the corresponding positions of the round holes and locking posts, the spring's elasticity pushes the circular limiting plate, causing the round-headed locking posts to slide into the round holes for fixation, thus completing the installation. The above operations only require pressing the round-headed locking posts for disassembly and replacement. The first nozzle requires no tools, allowing for quick disassembly and replacement, avoiding prolonged downtime due to parts replacement. It is particularly suitable for the high-efficiency needs of high-altitude, multi-position operations in bridge construction, eliminating the need to replace the entire sandblasting gun body.

[0015] This utility model can filter out large particles or lumps such as stones, metal fragments, and debris from sand and gravel through a filter screen, preventing them from entering key components such as sand valves, sandblasting pipes, and nozzles, thus avoiding pipeline blockage and equipment shutdown. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the No. 1 nozzle structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the No. 1 spray gun structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the drive mechanism, No. 1 sand storage tank, and No. 1 fixing frame of this utility model.

[0022] In the diagram: 1. No. 1 nozzle; 2. No. 1 spray gun; 3. Drive mechanism; 4. No. 1 sand storage tank; 5. No. 1 fixing bracket; 11. No. 2 nozzle; 12. Mounting ring; 13. Tungsten carbide wear-resistant coating; 14. No. 1 square block; 15. T-shaped circular groove; 16. Round head locking post; 17. Circular limiting plate; 18. Spring; 21. Gun body; 22. Fixing block; 23. No. 2 square block; 24. Mounting groove; 25. Circular locking hole; 26. No. 1 pipe connector; 27. Fixing hole; 28. No. 2 pipe connector; 31. Pump; 32. Sand pipe; 33. Connecting pipe; 41. No. 2 sand storage tank; 42. Filter screen; 51. No. 2 fixing bracket; 52. Handle; 53. Tire. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0025] This application discloses a sandblasting cleaning device suitable for bridge construction. (Refer to...) Figure 1-4A sandblasting cleaning device suitable for bridge construction includes a primary spray gun 2, which is equipped with a primary nozzle 1. The primary nozzle 1 includes a secondary nozzle 11. A mounting ring 12 is fixedly connected to the right side of the secondary nozzle 11. Both the secondary nozzle 11 and the inner wall of the mounting ring 12 are coated with a tungsten carbide wear-resistant coating 13. Primary square blocks 14 are fixedly connected to both the front and rear sides of the mounting ring 12. T-shaped circular grooves 15 are formed on the opposite sides of the two primary square blocks 14. Round-headed locking posts 16 are slidably connected to the inner wall of the T-shaped circular grooves 15. Circular limiting plates 17 are fixedly connected to the opposite faces of the two round-headed locking posts 16. Springs 18 are fixedly connected to the opposite faces of the two circular limiting plates 17. The outer wall of the circular limiting plates 17 is connected to the T-shaped... The inner wall of the circular groove 15 is fixedly connected, and the other end of the spring 18 is fixedly connected to the inner wall of the T-shaped circular groove 15. The first spray gun 2 includes a gun body 21. A fixing block 22 is fixedly connected to the left side of the gun body 21. Two square blocks 23 are fixedly connected to both the front and rear sides of the fixing block 22. An installation groove 24 is opened on the left side of the fixing block 22. A circular locking hole 25 is opened on the side of the two square blocks 23 that are far apart. A first pipe connector 26 is fixedly connected to the bottom of the gun body 21. A fixing hole 27 is fixedly connected to the top of the gun body 21. A second pipe connector 28 is fixedly connected to the right side of the gun body 21. The inner wall of the installation groove 24 is slidably connected to the installation ring 12 and the outer wall of the first square block 14. The inner wall of the circular locking hole 25 is slidably connected to the outer wall of the round head locking post 16.

[0026] No. 1 nozzle can be quickly removed and replaced from No. 1 spray gun 2. During use, simultaneously press the two round-headed locking pins 16 to slide them against the two round-headed locking holes 25. Pushing the round limiting plate 17 to compress the spring 18 causes the spring 18 to slide into the inner wall of the T-shaped groove 15. At this point, pulling the No. 2 nozzle 11 causes the mounting ring 12 and the No. 1 square block 14 to slide and disengage from the mounting groove 24, thus completing the removal. During installation, align the mounting ring 12 and the No. 1 square block 14 with the mounting groove 24 and insert them. During insertion, the same... Press the round head pins 16 on both sides and insert them. After sliding them to the corresponding positions of the round pins 16 and the round holes 25, the spring 18 pushes the round limit plate 17 with elastic force to make the round pins 16 slide into the round holes 25 for fixing, thus completing the installation. The above operations can be completed by simply pressing the round head pins 16. No. 1 nozzle 1 can be quickly disassembled and replaced without tools, avoiding long downtime caused by parts replacement. It is especially suitable for the high-efficiency needs of high-altitude and multi-station operations in bridge construction, without the need to replace the entire sandblasting gun body.

[0027] Reference Figure 5A drive mechanism 3 is fixedly connected to a first pipe connector 26. The drive mechanism 3 includes a pump 31. A sand pipe 32 is fixedly connected to the output end of the pump 31. A connecting pipe 33 is fixedly connected to the input end of the pump 31. The other end of the sand pipe 32 is fixedly connected to the first pipe connector 26. The other end of the connecting pipe 33 is fixedly connected to a first sand storage tank 4. The first sand storage tank 4 includes a second sand storage tank 41. A filter screen 42 is provided at the feed inlet above the second sand storage tank 41. The discharge outlet of the second sand storage tank 41 is fixedly connected to the other end of the connecting pipe 33. A first fixing frame 5 is fixedly connected to the left side of the second sand storage tank 41. The first fixing frame 5 includes a second fixing frame 51. A handle 52 is fixedly connected to the upper left side of the second fixing frame 51. A tire 53 is provided at the lower left side of the second fixing frame 51. The second fixing frame 51 is fixedly connected to the outer wall of the second sand storage tank 41.

[0028] The filter screen 42 can filter out large particles or lumps such as stones, metal scraps, and debris from the sand and gravel, preventing them from entering key components such as sand valves, sandblasting pipes, and nozzles, thus avoiding pipeline blockage and equipment shutdown.

[0029] Working principle: No. 1 nozzle can be quickly removed and replaced from No. 1 spray gun 2. During use, simultaneously pressing the two round-headed locking pins 16 causes them to slide against the two round holes 25, pushing the round limiting plate 17 to compress the spring 18. The spring 18 then slides into the inner wall of the T-shaped groove 15. At this point, pulling the No. 2 nozzle 11 causes the mounting ring 12 and the No. 1 square block 14 to slide and disengage from the mounting groove 24, completing the removal. During installation, align the mounting ring 12 and the No. 1 square block 14 with the mounting groove 24 and insert them. During the process, press the round head locking pins 16 on both sides simultaneously and insert them. After sliding them to the corresponding positions of the round locking pins 16 and the round locking holes 25, the spring 18 pushes the round limiting plate 17 through elasticity, causing the round head locking pins 16 to slide into the round locking holes 25 for fixing, thus completing the installation. The above operations can be completed by simply pressing the round head locking pins 16. No. 1 nozzle 1 can be quickly disassembled and replaced without tools, avoiding long downtime caused by parts replacement. It is especially suitable for the high-efficiency needs of high-altitude and multi-station operations in bridge construction, without the need to replace the entire sandblasting gun body.

[0030] The filter screen 42 can filter out large particles or lumps such as stones, metal scraps, and debris from the sand and gravel, preventing them from entering key components such as sand valves, sandblasting pipes, and nozzles, thus avoiding pipeline blockage and equipment shutdown.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A sandblasting cleaning device suitable for bridge construction, comprising a No. 1 spray gun (2), characterized in that: The first spray gun (2) is equipped with a first nozzle (1), which includes a second nozzle (11). A mounting ring (12) is fixedly connected to the right side of the second nozzle (11). The inner walls of the second nozzle (11) and the mounting ring (12) are coated with a tungsten carbide wear-resistant coating (13). A first square block (14) is fixedly connected to both the front and rear sides of the mounting ring (12). The two first square blocks (14) have openings on their opposite sides. There is a T-shaped circular groove (15), and a round-headed locking post (16) is slidably connected to the inner wall of the T-shaped circular groove (15). A circular limiting plate (17) is fixedly connected to the opposite face of the two round-headed locking posts (16). A spring (18) is fixedly connected to the opposite face of the two circular limiting plates (17). The outer wall of the circular limiting plate (17) is fixedly connected to the inner wall of the T-shaped circular groove (15), and the other end of the spring (18) is fixedly connected to the inner wall of the T-shaped circular groove (15).

2. The sandblasting cleaning device suitable for bridge construction according to claim 1, characterized in that: The first spray gun (2) includes a gun body (21), a fixing block (22) is fixedly connected to the left side of the gun body (21), and two square blocks (23) are fixedly connected to the front and rear sides of the fixing block (22). An installation groove (24) is opened on the left side of the fixing block (22), and a circular locking hole (25) is opened on the side of the two square blocks (23) that are far apart. A first pipe connector (26) is fixedly connected to the bottom of the gun body (21), a fixing hole (27) is fixedly connected to the top of the gun body (21), and a second pipe connector (28) is fixedly connected to the right side of the gun body (21).

3. A sandblasting cleaning device suitable for bridge construction according to claim 2, characterized in that: The inner wall of the mounting groove (24) is slidably connected to the outer wall of the mounting ring (12) and the first square block (14), and the inner wall of the circular card hole (25) is slidably connected to the outer wall of the round-headed card post (16).

4. A sandblasting cleaning device suitable for bridge construction according to claim 2, characterized in that: The first pipe connector (26) is fixedly connected to a driving mechanism (3), which includes a pump (31). The output end of the pump (31) is fixedly connected to a sand pipe (32), and the input end of the pump (31) is fixedly connected to a connecting pipe (33). The other end of the sand pipe (32) is fixedly connected to the first pipe connector (26).

5. A sandblasting cleaning device suitable for bridge construction according to claim 4, characterized in that: The other end of the connecting pipe (33) is fixedly connected to a No. 1 sand storage tank (4), which includes a No. 2 sand storage tank (41). A filter screen (42) is provided at the feed inlet above the No. 2 sand storage tank (41), and the discharge port of the No. 2 sand storage tank (41) is fixedly connected to the other end of the connecting pipe (33).

6. A sandblasting cleaning device suitable for bridge construction according to claim 5, characterized in that: The No. 2 sand storage tank (41) is fixedly connected to a No. 1 fixing frame (5) on the left side. The No. 1 fixing frame (5) includes a No. 2 fixing frame (51). A handle (52) is fixedly connected to the upper left side of the No. 2 fixing frame (51), and a tire (53) is provided on the lower left side of the No. 2 fixing frame (51).

7. A sandblasting cleaning device suitable for bridge construction according to claim 6, characterized in that: The second fixing frame (51) is fixedly connected to the outer wall of the second sand storage tank (41).

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