Adjustable spraying dust-settling device for construction site

Abstract

The utility model provides an adjustable spraying dust fall device on a construction site, and relates to the technical field of spraying dust fall. Comprising a base, a top cover is arranged at the top of the base, a fixing ring is arranged at the bottom of the top cover, a plurality of water sprayers are arranged at the top of the fixing ring, a water tank is fixedly connected to the outer side of the bottom of the base, a first heightening frame is fixedly connected to the bottom end of the base, and a box body is arranged at the bottom of the first heightening frame; and universal wheels are fixedly connected to the bottom of the box body. According to the adjustable spraying dust falling device on the construction site, the height of the water sprayers is adjusted through the multi-stage telescopic device at the top end of the box body to increase the dust falling range, the hydraulic rod at the top end of the base drives the multiple water sprayers to adjust the angle, and therefore workers can conveniently and rapidly change the water spraying angle and height according to the construction site to improve the dust falling effect and range; a plurality of water sprayers can be used for simultaneously settling dust around the device, so that the problem of poor dust settling effect caused by dust settling in only one direction is avoided.

Description

Technical Field

[0001] The utility model relates to a spray dust reduction device, specifically an adjustable spray dust reduction device for construction sites, belonging to the technical field of spray dust reduction. Background Technique

[0002] Due to urban development, the demand for urban construction is becoming increasingly strong, and construction sites are all over the urban area. During the construction process of construction sites, a large amount of smoke and dust will inevitably be generated. The smoke and dust not only pollute the environment, but also pose a threat to the health of construction workers. Therefore, it is often necessary to use a spray dust reduction device to sprinkle water on the construction site to reduce dust, so as to reduce the harm of construction site dust to the human body and the pollution of the natural environment, and achieve the purpose of controlling dust and purifying the environment.

[0003] Most construction sites are wide open spaces. At present, the general spray system is set at the fence of the construction site. Although it can achieve a certain dust reduction effect, there will still be dust in the areas that the spray system cannot reach, and it cannot better reduce dust on the construction site.

[0004] Most of the devices for spray dust reduction on the market spray dust in a fixed direction, with limited height. During construction, it is often necessary to install multiple spray devices to reduce dust in multiple directions respectively. And the existing spray devices have limited height, and workers often need to install additional brackets to increase the height of the spray devices to ensure the dust reduction effect. As the construction progresses, the device needs to be moved at any time, and reinstalling the spray device brings great inconvenience to the construction. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] The purpose of the utility model is to provide an adjustable spray dust reduction device for construction sites to solve the problems of poor dust reduction effect and frequent arrangement of spray devices caused by single spray dust reduction direction and insufficient spray height in the prior art.

[0007] (2) Technical Solutions

[0008] The utility model is realized through the following technical solutions: an adjustable spray dust reduction device for construction sites. It includes a base, a top cover is arranged on the top of the base, a fixed ring is arranged at the bottom of the top cover, a plurality of sprayers are arranged on the top of the fixed ring, a water tank is fixedly connected to the outer side of the bottom of the base, and a first heightening frame is fixedly connected to the bottom end of the base, and a box body is arranged at the bottom of the first heightening frame.

[0009] Preferably, a hydraulic rod is fixedly connected to the center of the top of the base, the output end of the hydraulic rod is fixedly connected to the top cover, a plurality of racks are fixedly connected to the top of the base, and a plurality of fixing rods are arranged between the top cover and the fixing ring. The two ends of the plurality of fixing rods are respectively fixedly connected to the top cover and the fixing ring.

[0010] Preferably, connecting shafts are fixedly connected to both sides of the plurality of water sprayers. A plurality of support frames are rotatably connected to the outer sides of the plurality of connecting shafts. The bottom ends of the plurality of support frames are fixedly connected to the fixing ring. Gears are arranged on one side of the plurality of water sprayers. The plurality of gears are respectively fixedly connected to the plurality of connecting shafts. The plurality of gears are respectively meshed with the plurality of racks. By the telescopic movement of the hydraulic rod, the fixing ring moves up and down, so that the plurality of gears rotate on the plurality of racks. The plurality of gears drive the plurality of water sprayers to rotate to achieve the purpose of adjusting the water spray angle. The water spray angle can be quickly changed according to the construction site. At the same time, the plurality of water sprayers spray and dust down simultaneously around the device, avoiding dead corners of spray dust reduction, and effectively improving the dust reduction range and effect.

[0011] Preferably, a plurality of second pressurized water pipes are arranged between the plurality of water sprayers and the water tank. One end of each of the plurality of second pressurized water pipes is fixedly connected to one of the plurality of water sprayers. The ends of the plurality of second pressurized water pipes away from the water sprayers all penetrate through the water tank and are fixedly connected to the water tank. The plurality of second pressurized water pipes all penetrate through the base and are slidably connected to the base.

[0012] Preferably, a second heightening frame is slidably connected to the outside of the first heightening frame. A third pulley group is fixedly connected to one side of the top end of the second heightening frame. A third heightening frame is slidably connected to the outside of the second heightening frame. A second pulley group is fixedly connected to one side of the top end of the third heightening frame. A fourth heightening frame is slidably connected to the outside of the third heightening frame. A first pulley group is fixedly connected to one side of the top end of the fourth heightening frame. A motor is fixedly connected to one side of the bottom of the fourth heightening frame. A wire reel is fixedly connected to the output end of the motor. The bottom end of the fourth heightening frame is fixedly connected to the box body. Universal wheels are fixedly connected to the bottom of the box body, so that the spraying device can be moved arbitrarily and the spraying position can be changed according to the construction.

[0013] Preferably, a first rope is wound around the outer side of the wire wheel. The first rope is sleeved outside two pulleys of the first pulley set. One end of the first rope away from the wire wheel is fixedly connected to the bottom of the third heightening frame. The top of the first pulley set is fixedly connected with a second rope. The second rope is sleeved outside two pulleys of the second pulley set. One end of the second rope away from the first pulley set is fixedly connected to the bottom of the second heightening frame. The top of the second pulley set is fixedly connected with a third rope. The third rope is sleeved outside two pulleys of the third pulley set. One end of the third rope away from the second pulley set is fixedly connected to the bottom of the first heightening frame. The multi-stage telescopic device composed of the first heightening frame, the second heightening frame, the third heightening frame and the fourth heightening frame facilitates changing the overall height of the sprinkler, thereby increasing the dust suppression range. Moreover, the multi-stage telescopic structure occupies less space and has a longer stroke, increasing the height that the sprinkler can reach and enhancing the sprinkling effect.

[0014] Preferably, a booster pump is fixedly connected inside the box body. Two brackets are fixedly connected inside the box body. A wheel disc is rotatably connected between the two brackets. A spring is arranged on one side of the wheel disc. One end of the spring is fixedly connected to the wheel disc, and the other end of the spring is fixedly connected to the bracket. A pipeline is fixedly connected inside the wheel disc. The output end of the booster pump is rotatably connected to the pipeline.

[0015] Preferably, a first booster water pipe is wound around the outer side of the wheel disc. One end of the first booster water pipe is fixedly connected to the pipeline. The end of the first booster water pipe away from the pipeline penetrates through the water tank and is fixedly connected to the water tank. The first booster water pipe penetrates through the box body and the first heightening frame and is slidably connected to the box body and the first heightening frame. Due to the action of the spring, the first booster water pipe is always wound around the wheel disc, eliminating the need for manual adjustment of the first booster water pipe and reducing the burden on the staff.

[0016] The present utility model provides an adjustable spray dust suppression device for a construction site, and its beneficial effects are as follows:

[0017] 1. For the adjustable spray dust suppression device at the construction site, connecting shafts are fixedly connected to both sides of multiple sprinklers. Multiple support frames are rotatably connected to the outside of the multiple connecting shafts. The bottom ends of the multiple support frames are fixedly connected to a fixed ring. Gears are arranged on one side of the multiple sprinklers. The multiple gears are respectively fixedly connected to the multiple connecting shafts. The multiple gears are respectively meshed with multiple racks. By driving the fixed ring to move up and down through the telescopic movement of the hydraulic rod, the multiple gears rotate on the multiple racks, and the multiple gears drive the multiple sprinklers to rotate to achieve the purpose of adjusting the spray angle. The spray angle can be quickly changed according to the construction site. At the same time, the multiple sprinklers spray and suppress dust on the periphery of the device simultaneously, avoiding dead angles in spray dust suppression and effectively improving the dust suppression range and effect.

[0018] 2. The adjustable spray dust suppression device at the construction site. A first rope is wound around the outer side of the wire wheel. The first rope is sleeved outside the two pulleys of the first pulley group. One end of the first rope away from the wire wheel is fixedly connected to the bottom of the third heightening frame. The top of the first pulley group is fixedly connected with a second rope. The second rope is sleeved outside the two pulleys of the second pulley group. One end of the second rope away from the first pulley group is fixedly connected to the bottom of the second heightening frame. The top of the second pulley group is fixedly connected with a third rope. The third rope is sleeved outside the two pulleys of the third pulley group. One end of the third rope away from the second pulley group is fixedly connected to the bottom of the first heightening frame. The overall height of the sprinkler is conveniently changed through the multi-stage telescopic device, thereby increasing the dust suppression range. Moreover, the multi-stage telescopic occupies less space, has a long stroke, increases the height that the sprinkler can reach, and enhances the spraying effect.

[0019] 3. The adjustable spray dust suppression device at the construction site. A first pressurized water pipe is wound around the outer side of the wheel disc. One end of the first pressurized water pipe is fixedly connected to the pipeline. The end of the first pressurized water pipe away from the pipeline penetrates through the water tank and is fixedly connected to the water tank. The first pressurized water pipe penetrates through the box body and the first heightening frame and is slidably connected to the box body and the first heightening frame. Due to the action of the spring, the first pressurized water pipe is always wound around the wheel disc, eliminating the need for manual adjustment of the first pressurized water pipe and reducing the burden on the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the overall structural schematic diagram of the present invention;

[0021] Figure 2 is the cross-sectional schematic diagram of the top structure of the present invention;

[0022] Figure 3 is the enlarged view of the top structure of the present invention;

[0023] Figure 4 is the structural schematic diagram of the sprinkler of the present invention;

[0024] Figure 5 is the cross-sectional schematic diagram of the water tank structure of the present invention;

[0025] Figure 6 is the structural schematic diagram of the multi-stage telescopic structure of the present invention;

[0026] Figure 7 is the structural schematic diagram of the box body of the present invention;

[0027] Figure 8 is the cross-sectional schematic diagram of the wheel disc structure of the present invention;

[0028] Figure 9 is the structural schematic diagram of the pulley group of the present invention.

[0029]

Description of Main Component Symbols

[0030] 1. Base; 2. Top Cover; 3. Sprinkler; 4. Fixed Ring; 5. Second Booster Water Pipe; 6. Water Tank; 7. First Elevating Frame; 8. Second Elevating Frame; 9. Third Elevating Frame; 10. Fourth Elevating Frame; 11. Motor; 12. Wire Wheel; 13. First Booster Water Pipe; 14. Wheel Disc; 15. Spring; 16. Booster Water Pump; 17. Third Pulley Group; 18. Second Pulley Group; 19. First Pulley Group; 20. Box Body; 21. Universal Wheel; 22. Bracket; 23. Hydraulic Rod; 24. Fixed Rod; 25. Rack; 26. Support Frame; 27. Gear; 28. Connecting Shaft; 29. No. 3 Rope; 30. No. 2 Rope; 31. No. 1 Rope; 32. Pipe. Detailed Implementation Manner

[0031] An embodiment of the utility model provides an adjustable spray dust suppression device for a construction site.

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 , including a base 1, a top cover 2 is arranged on the top of the base 1, a fixed ring 4 is arranged on the bottom of the top cover 2, a plurality of sprinklers 3 are arranged on the top of the fixed ring 4, a water tank 6 is fixedly connected to the outer side of the bottom of the base 1, a first elevating frame 7 is fixedly connected to the bottom end of the base 1, and a box body 20 is arranged at the bottom of the first elevating frame 7.

[0033] A hydraulic rod 23 is fixedly connected to the center of the top of the base 1, the output end of the hydraulic rod 23 is fixedly connected to the top cover 2, a plurality of racks 25 are fixedly connected to the top of the base 1, a plurality of fixing rods 24 are arranged between the top cover 2 and the fixing ring 4, both ends of the plurality of fixing rods 24 are fixedly connected to the top cover 2 and the fixing ring 4 respectively, both sides of each of the plurality of water sprayers 3 are fixedly connected with a connecting shaft 28, a plurality of support frames 26 are rotatably connected to the outside of the plurality of connecting shafts 28, the bottom ends of the plurality of support frames 26 are fixedly connected to the fixing ring 4, a gear 27 is arranged on one side of each of the plurality of water sprayers 3, the plurality of gears 27 are respectively fixedly connected to the plurality of connecting shafts 28, the plurality of gears 27 are respectively meshed with the plurality of racks 25. By the telescopic movement of the hydraulic rod 23, the fixing ring 4 moves up and down, so that the plurality of gears 27 rotate on the plurality of racks 25, and the plurality of gears 27 drive the plurality of water sprayers 3 to rotate to achieve the purpose of adjusting the water spray angle. At the same time, the plurality of water sprayers 3 spray and dust down the surroundings of the device simultaneously, avoiding the dead angle of spray and dust down. A plurality of second booster water pipes 5 are arranged between the plurality of water sprayers 3 and the water tank 6, one end of each of the plurality of second booster water pipes 5 is fixedly connected to one of the plurality of water sprayers 3, the ends of the plurality of second booster water pipes 5 far away from the water sprayers 3 all penetrate through the water tank 6 and are fixedly connected to the water tank 6, and the plurality of second booster water pipes 5 all penetrate through the base 1 and are slidably connected to the base 1.

[0034] A second heightening frame 8 is slidably connected to the outside of the first heightening frame 7. One side of the top end of the second heightening frame 8 is fixedly connected to a third pulley set 17. A third heightening frame 9 is slidably connected to the outside of the second heightening frame 8. One side of the top end of the third heightening frame 9 is fixedly connected to a second pulley set 18. A fourth heightening frame 10 is slidably connected to the outside of the third heightening frame 9. One side of the top end of the fourth heightening frame 10 is fixedly connected to a first pulley set 19. One side of the bottom of the fourth heightening frame 10 is fixedly connected to a motor 11. The output end of the motor 11 is fixedly connected to a wire reel 12. The bottom end of the fourth heightening frame 10 is fixedly connected to a box body 20. The bottom of the box body 20 is fixedly connected to a universal wheel 21. A first rope 31 is wound around the outside of the wire reel 12. The first rope 31 is sleeved outside the two pulleys of the first pulley set 19. One end of the first rope 31 away from the wire reel 12 is fixedly connected to the bottom of the third heightening frame 9. The top end of the first pulley set 19 is fixedly connected to a second rope 30. The second rope 30 is sleeved outside the two pulleys of the second pulley set 18. One end of the second rope 30 away from the first pulley set 19 is fixedly connected to the bottom of the second heightening frame 8. The top end of the second pulley set 18 is fixedly connected to a third rope 29. The third rope 29 is sleeved outside the two pulleys of the third pulley set 17. One end of the third rope 29 away from the second pulley set 18 is fixedly connected to the bottom of the first heightening frame 7. A multi-stage telescopic device is formed by the first heightening frame 7, the second heightening frame 8, the third heightening frame 9 and the fourth heightening frame 10. The multi-stage telescopic occupies less space and has a long stroke, increasing the height that the sprinkler 3 can reach and enhancing the spraying effect.

[0035] A booster pump 16 is fixedly connected to the inside of the box body 20. Two brackets 22 are fixedly connected to the inside of the box body 20. A wheel disc 14 is rotatably connected between the two brackets 22. A spring 15 is arranged on one side of the wheel disc 14. One end of the spring 15 is fixedly connected to the wheel disc 14. The other end of the spring 15 is fixedly connected to the bracket 22. A pipe 32 is fixedly connected to the inside of the wheel disc 14. The output end of the booster pump 16 is rotatably connected to the pipe 32. A first booster water pipe 13 is wound around the outside of the wheel disc 14. One end of the first booster water pipe 13 is fixedly connected to the pipe 32. The end of the first booster water pipe 13 away from the pipe 32 penetrates through the water tank 6 and is fixedly connected to the water tank 6. The first booster water pipe 13 penetrates through the box body 20 and the first heightening frame 7 and is slidably connected to the box body 20 and the first heightening frame 7.

[0036] Please refer to again Figure 1 、 Figure 6 and Figure 9 . The third pulley set 17, the second pulley set 18 and the first pulley set 19 have the same specifications.

[0037] When the utility model is in use: During operation, the booster pump 16 pressurizes water and transports it from the output end into the pipeline 32 inside the turntable 14. The first booster water pipe 13 fixedly connected to the pipeline 32 transports the water into the water tank 6. A plurality of second booster water pipes 5 are fixedly connected to the top end of the water tank 6. The plurality of second booster water pipes 5 penetrate through the base 1 and transport the water into the sprayer 3, causing the water to be sprayed out from the sprayer 3 for dust suppression.

[0038] When it is necessary to adjust the angle of the sprayer 3, the hydraulic rod 23 operates to move the top cover 2 fixedly connected to the output end of the hydraulic rod 23 up and down. The top cover 2 and the fixed ring 4 are fixedly connected by a plurality of fixing rods 24. A plurality of support frames 26 are fixedly connected to the top of the fixed ring 4. The sprayer 3 is respectively arranged inside the plurality of support frames 26. Connecting shafts 28 are fixedly connected to both sides of the plurality of sprayers 3. The plurality of connecting shafts 28 respectively penetrate through the plurality of support frames 26 and are rotatably connected to the plurality of support frames 26. Gears 27 are respectively arranged on one side of the plurality of sprayers 3. The plurality of connecting shafts 28 are respectively fixedly connected to the plurality of gears 27. Rack bars 25 are respectively meshed and connected to the outside of the plurality of gears 27. The bottom ends of the plurality of rack bars 25 are fixedly connected to the base 1. The bottom end of the hydraulic rod 23 is fixedly connected to the base 1. Therefore, when the top cover 2 moves, it drives the plurality of support frames 26 and the plurality of gears 27 to move up and down. At this time, the plurality of gears 27 rotate on the tooth surfaces on one side of the plurality of rack bars 25, causing the sprayers 3 fixedly connected to the plurality of gears 27 to rotate along with the gears 27, thereby achieving the effect of changing the dust suppression range by changing the spray angle.

[0039] When the height needs to be adjusted, the motor 11 works to drive the wire wheel 12 to rotate and wind the first rope 31 wound around the outside of the wire wheel 12. The top end of the fourth height increasing frame 10 is fixedly connected with a first pulley set 19. The first rope 31 is sleeved outside the two pulleys of the first pulley set 19. One end of the first rope 31 away from the wire wheel 12 is fixedly connected with the bottom of the third height increasing frame 9. Therefore, when the wire wheel 12 rotates, it will pull the first rope 31 to make the third height increasing frame 9 rise inside the fourth height increasing frame 10. The top end of the third height increasing frame 9 is fixedly connected with a second pulley set 18. The second rope 30 is sleeved outside the two pulleys of the second pulley set 18. One end of the second rope 30 is fixedly connected with the top of the first pulley set 19. The other end of the second rope 30 is fixedly connected with the bottom of the second height increasing frame 8. When the third height increasing frame 9 rises, the second pulley set 18 rises accordingly. The length of the second rope 30 remains unchanged. Thus, the second pulley set 18 pulls the second rope 30 to make the second height increasing frame 8 rise inside the third height increasing frame 9. The top end of the second height increasing frame 8 is fixedly connected with a third pulley set 17. The third rope 29 is sleeved outside the two pulleys of the third pulley set 17. One end of the third rope 29 is fixedly connected with the top of the second pulley set 18. The other end of the third rope 29 is fixedly connected with the bottom of the first height increasing frame 7. When the second height increasing frame 8 rises, the third pulley set 17 rises accordingly. The length of the third rope 29 remains unchanged. Thus, the third pulley set 17 pulls the third rope 29 to make the first height increasing frame 7 rise inside the second height increasing frame 8. The top end of the first height increasing frame 7 is fixedly connected with the base 1, making the base 1 move with the first height increasing frame 7 to change the height of the water sprinkler 3. The bottom outside of the base 1 is fixedly connected with a water tank 6. Therefore, when the first height increasing frame 7 rises, it pulls the first pressurized water pipe 13 at the bottom end of the water tank 6 to rise. The first pressurized water pipe 13 is wound around the outside of the wheel disc 14. When the first pressurized water pipe 13 rises, it pulls the wheel disc 14 to rotate. Both ends of the spring 15 are fixedly connected with the wheel disc 14 and the bracket 22 respectively. When the wheel disc 14 rotates, the spring 15 deforms. At this time, the spring 15 tightens the first pressurized water pipe 13. When the first height increasing frame 7 descends, the deformation of the spring 15 returns to the initial state, and the deformation of the spring 15 drives the wheel disc 14 to rotate to rewind the first pressurized water pipe 13.

[0040] Working principle: The motor 11 drives the wire wheel 12 to rotate and wind the first rope 31, driving the telescopic of the entire multi-stage telescopic device to change the height of the water sprinkler 3. By controlling the telescopic of the hydraulic rod 23, the top cover 2 fixed at the output end of the hydraulic rod 23 drives the fixing ring 4 to move up and down. The up and down movement of the fixing ring 4 drives the up and down movement of a plurality of support frames 26. The plurality of support frames 26 drive the gear 27 to move. The plurality of gears 27 are respectively meshed and connected with a plurality of racks 25. The plurality of racks 25 are fixedly connected with the base 1. Therefore, the up and down movement of the plurality of gears 27 makes them rotate, and the rotation of the plurality of gears 27 drives the water sprinkler 3 fixedly connected with the connecting shaft 28 to rotate to achieve the effect of changing the spraying angle.

[0041] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will also have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An adjustable spray dust suppression device for a construction site, comprising a base (1), characterized in that: The top of the base (1) is provided with a top cover (2), the bottom of the top cover (2) is provided with a fixing ring (4), the top of the fixing ring (4) is provided with a plurality of sprinklers (3), the outer side of the bottom of the base (1) is fixedly connected to a water tank (6), the bottom end of the base (1) is fixedly connected to a first elevated frame (7), and the bottom of the first elevated frame (7) is provided with a box body (20).

2. The adjustable spray dust suppression device for construction sites according to claim 1 is characterized in that: A hydraulic rod (23) is fixedly connected to the center of the top of the base (1); the output end of the hydraulic rod (23) is fixedly connected to the top cover (2); a plurality of racks (25) are fixedly connected to the top of the base (1); a plurality of fixing rods (24) are arranged between the top cover (2) and the fixing ring (4); and the two ends of the plurality of fixing rods (24) are fixedly connected to the top cover (2) and the fixing ring (4), respectively.

3. The adjustable spray dust suppression device for construction sites according to claim 2 is characterized in that: Both sides of the plurality of water sprinklers (3) are fixedly connected with connecting shafts (28), the outer sides of the plurality of connecting shafts (28) are rotatably connected with a plurality of support frames (26), the bottom ends of the plurality of support frames (26) are fixedly connected with the fixing ring (4), one side of the plurality of water sprinklers (3) is provided with gears (27), the plurality of gears (27) are respectively fixedly connected with the plurality of connecting shafts (28), and the plurality of gears (27) are respectively meshed with a plurality of racks (25).

4. The adjustable spray dust suppression device for construction sites according to claim 1 is characterized in that: A plurality of second pressurized water pipes (5) are arranged between the plurality of water sprinklers (3) and the water tank (6); one end of the plurality of second pressurized water pipes (5) is fixedly connected to the plurality of water sprinklers (3); the ends of the plurality of second pressurized water pipes (5) away from the water sprinklers (3) all penetrate the water tank (6) and are fixedly connected to the water tank (6); and the plurality of second pressurized water pipes (5) all penetrate the base (1) and are slidably connected to the base (1).

5. The adjustable spray dust suppression device for construction sites according to claim 1 is characterized in that: The first raising frame (7) is slidably connected to the second raising frame (8) on the outside, the second raising frame (8) is fixedly connected to a third pulley block (17) on the top side, the second raising frame (8) is slidably connected to the third raising frame (9) on the outside, the third raising frame (9) is fixedly connected to a second pulley block (18) on the top side, the third raising frame (9) is slidably connected to the fourth raising frame (10) on the outside, the fourth raising frame (10) is fixedly connected to a first pulley block (19) on the top side, the fourth raising frame (10) is fixedly connected to a motor (11) on the bottom side, the output end of the motor (11) is fixedly connected to a wire wheel (12), the bottom end of the fourth raising frame (10) is fixedly connected to a box body (20), and the bottom of the box body (20) is fixedly connected to a universal wheel (21).

6. The adjustable spray dust suppression device for construction sites according to claim 5, characterized in that: A No. 1 rope (31) is wound around the outer side of the line wheel (12), and the No. 1 rope (31) is sleeved on the outer sides of the two pulleys of the first pulley group (19). The end of the No. 1 rope (31) away from the line wheel (12) is fixedly connected to the bottom of the third elevated frame (9). A No. 2 rope (30) is fixedly connected to the top of the first pulley group (19), and the No. 2 rope (30) is sleeved on the outer sides of the two pulleys of the second pulley group (18). The end of the No. 2 rope (30) away from the first pulley group (19) is fixedly connected to the bottom of the second elevated frame (8). A No. 3 rope (29) is fixedly connected to the top of the second pulley group (18), and the No. 3 rope (29) is sleeved on the outer sides of the two pulleys of the third pulley group (17). The end of the No. 3 rope (29) away from the second pulley group (18) is fixedly connected to the bottom of the first elevated frame (7).

7. The adjustable spray dust suppression device for construction sites according to claim 1 is characterized in that: A booster water pump (16) is fixedly connected inside the box (20), two brackets (22) are fixedly connected inside the box (20), a wheel disc (14) is rotatably connected between the two brackets (22), a spring (15) is provided on one side of the wheel disc (14), one end of the spring (15) is fixedly connected to the wheel disc (14), and the other end of the spring (15) is fixedly connected to the bracket (22), a pipeline (32) is fixedly connected inside the wheel disc (14), and an output end of the booster water pump (16) is rotatably connected to the pipeline (32).

8. The adjustable spray dust suppression device for construction sites according to claim 7, characterized in that: A first pressurized water pipe (13) is arranged around the outer side of the wheel disc (14); one end of the first pressurized water pipe (13) is fixedly connected to the pipeline (32); one end of the first pressurized water pipe (13) away from the pipeline (32) passes through the water tank (6) and is fixedly connected to the water tank (6); the first pressurized water pipe (13) passes through the box body (20) and the first elevated frame (7) and is slidably connected to the box body (20) and the first elevated frame (7).

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