Wide-angle spraying energy-saving type civil engineering dust control device

Abstract

The present application relates to the civil construction technical field, specifically is a wide-angle spraying energy-saving type civil construction dust control device, including main water pipe, a plurality of horizontal water pipes are communicated with equal interval on the main water pipe, dustproof awning is laid between the main water pipe and horizontal water pipe, a plurality of wide-angle spray heads are evenly arranged at the bottom of each horizontal water pipe, two symmetrical mounting round plates are welded at both ends of each horizontal water pipe, a plurality of horizontal plates are welded on the outer circular surface of each mounting round plate at equal angles, a sleeve is fixedly installed on each horizontal plate, an inner slide rod is slidably arranged in each sleeve, and a mounting block is fixedly installed on the side of each inner slide rod away from the corresponding sleeve, the spraying mechanism and the dustproof awning are integrated and designed, a single set of equipment can adapt to the operation requirements of the whole construction stage of the foundation pit, and the problem of low utilization rate of the traditional split dust falling equipment is effectively solved.

Description

Technical Field

[0001] This invention relates to the field of civil engineering construction technology, specifically a wide-angle spray energy-saving civil engineering dust control device. Background Technology

[0002] Dust pollution is easily generated throughout the entire process of foundation pit construction for building buildings. The working conditions vary significantly across different construction stages, and conventional dust suppression methods have obvious limitations. In the early stages of construction, which primarily involve earthwork excavation, the soil is disturbed intensely, resulting in a wide range of dust dispersion and high levels of pollution. Currently, the common practice is to install dust-proof canopies over the foundation pit to contain the dust within the working area, while simultaneously using a water mist spraying system inside the pit to effectively suppress dust in the early stages. However, as the project progresses to the middle and later stages of foundation pit construction, the construction content gradually changes, and the characteristics of dust generation and on-site working conditions undergo significant alterations. On the one hand, the earthwork excavation process is basically completed, the soil disturbance is greatly reduced, and the amount of dust emissions on site is sharply reduced accordingly. On the other hand, the on-site work includes steel reinforcement binding, building material stacking, and component erection, which occupies and squeezes the working space and construction flow. The top dustproof canopy is constrained by the on-site working conditions and cannot continue to be deployed and put into use. Therefore, the construction unit can only adjust the dust suppression plan, erect safety guardrails around the foundation pit, and arrange water mist spraying equipment along the edge of the foundation pit to meet the dust suppression needs in the middle and later stages by relying on the spraying mode around the foundation pit. From the perspective of the overall construction configuration, the foundation pit project needs to be equipped with two independent dust suppression facilities: the spraying inside the foundation pit + the top canopy and the spraying along the edge of the foundation pit. The two dust suppression systems are used in stages and at different times, and the usage periods do not overlap. When one set of equipment is in operation, the other set of equipment is idle and sealed for a long time, which fails to achieve alternating reuse. Ultimately, this results in a low overall utilization rate of the dust suppression equipment and a waste of equipment resources. To this end, the present invention provides a wide-angle spraying energy-saving civil engineering dust control device. Summary of the Invention

[0003] The purpose of this invention is to provide a wide-angle spray energy-saving civil engineering dust control device to solve the problems mentioned in the background art.

[0004] The technical solution of this invention is: a wide-angle spray energy-saving civil engineering dust control device, including a main water pipe, several horizontal water pipes connected at equal intervals on the main water pipe, a dustproof canopy laid between the main water pipe and the horizontal water pipes, several wide-angle nozzles evenly spaced at the bottom of each horizontal water pipe, two symmetrical mounting circular plates welded to both ends of each horizontal water pipe, several horizontal plates welded at equal angles on the outer circular surface of each mounting circular plate, an outer sleeve fixedly installed on each horizontal plate, an inner sliding rod slidably installed inside each outer sleeve, an installation block fixedly installed on the side of each inner sliding rod away from the corresponding outer sleeve, a shaft cylinder welded on each installation block, and a limit wheel rotatably connected to the outer ring surface of each shaft cylinder. This invention integrates the spraying mechanism and the dustproof canopy into a single integrated design, and a single set of equipment can meet the operational needs of the entire construction stage of the foundation pit, effectively solving the problem of low utilization rate of traditional split dust suppression equipment.

[0005] Preferably, each of the inner slide rods is wound with a spring, and several springs are respectively connected between the outer wall of the corresponding inner slide rod and the inner wall of the corresponding outer sleeve. Each of the shaft cylinders is connected to the corresponding transverse water pipe by a water supply pipe.

[0006] Preferably, each of the mounting circular plates has a vertical cylinder welded to its side wall, each vertical cylinder has a drive screw threaded to its top, each drive screw has a stopper plate rotatably connected to its bottom, and each adjacent vertical cylinder is connected to several outer sleeves by an air supply pipe.

[0007] Preferably, each of the shaft cylinders is connected to the corresponding outer sleeve via a second air supply pipe, and each shaft cylinder has a slidably mounted stopper plate 2 inside its cavity. Each stopper plate 2 is connected to the inner wall of the corresponding outer sleeve via a second spring. Before use, the operator places several horizontal water pipes between two adjacent steel wire ropes, positioning the steel wire ropes between four sets of limit wheels on one side. Then, the operator sequentially rotates the transmission screw, causing the screw to move the stopper plate downwards, thereby compressing the internal space of the vertical cylinder and allowing the gas inside the vertical cylinder to flow out. The outflowing gas flows into the outer cylinder through the first air supply pipe. This causes the inner sliding rod to push the mounting block, shaft cylinder, and limit wheel towards the wire rope. The spring is compressed, which in turn positions the wire rope within the slide between the four sets of limit wheels on one side, thereby sequentially installing several horizontal water pipes and the wire rope. It should be noted that due to the limit ring 1 set inside the shaft cylinder, the airflow will not enter the inner cavity of the shaft cylinder through the air supply pipe 2 and push the plug plate 2 to move. Subsequently, the horizontal water pipes are moved by the traction mechanism, so that several horizontal water pipes are evenly distributed on the wire rope, thereby allowing the dustproof canopy to be laid out along the preset wire rope.

[0008] Preferably, a sealing ring is slidably provided in the inner cavity of each shaft cylinder, and a plurality of sliding rods are welded at equal angles on the surface of each sealing ring, and the plurality of sliding rods extend to the outside of the corresponding shaft cylinder. A base plate is welded to the side of each sealing ring away from the corresponding shaft cylinder, and a spring is wound around the body of each sliding rod, and the plurality of springs are respectively connected between the corresponding base plate and the bottom wall of the corresponding shaft cylinder.

[0009] Preferably, each of the shaft cylinders has a limit ring 1 and a limit ring 2 welded to its inner wall. Each shaft cylinder wall has several air holes at equal angles. During the later stages of construction, the entire device is disassembled from the wire rope. Then, the horizontal water pipe acts as a supporting column and, together with a long strip-structured dustproof canopy, is placed along the edge of the foundation pit. After modification, the canopy can replace the protective fence, providing on-site isolation and protection. Combined with wide-angle nozzles, it can still continuously complete the dust suppression spraying operation. During this process, the worker reverses the transmission screw, causing the stopper plate 1 to move upwards. This causes the four sets of inner sliding rods on one side and the shaft cylinder to move in opposite directions under the elastic force of spring 1, resulting in a wider distribution of the four corner support points at the bottom when the horizontal water pipe is placed vertically, thus increasing stability. Secondly, when placing the horizontal water pipe vertically, the… The weight of the auxiliary device causes the slide bar two to move into the inner cavity of the shaft cylinder. The slide bar two pushes the sealing ring towards the plug plate two, so that the sealing ring, which originally blocked the air hole, switches to blocking the connection between the air supply pipe two and the shaft cylinder. After the installation is completed, the high-pressure water flow delivered to the main water pipe enters the shaft cylinder through the horizontal water pipe and the water supply pipe in sequence, and pushes the plug plate two to move. Since the space on the other side of the plug plate two is connected to the outside through the air hole, more water is filled in the inner cavity of the shaft cylinder, thereby increasing the weight of the shaft cylinder and further enhancing its stability during use. In addition, when the pressure of the delivered water flow fluctuates, the elastic potential energy of the spring two in the shaft cylinder can be used to compensate for the water pressure fluctuation, stabilize the water pressure, ensure the continuous and uniform spray effect, and guarantee the dust suppression quality at different construction stages.

[0010] Preferably, each of the base plates has anti-slip textures on the side away from the corresponding slide bar. The anti-slip textures increase the friction between the base plate and the ground, thus improving stability during use.

[0011] This invention provides an improved wide-angle spray energy-saving civil engineering dust control device, which has the following improvements and advantages compared with the prior art: 1. In the early stage of construction, the dustproof canopy is laid out along the pre-set steel wire rope. Water pipes are arranged at equal intervals on the canopy body, and wide-angle nozzles are installed on the pipes to allow the atomizing nozzles to evenly cover the entire canopy area. During operation, water is supplied into the pipes, and the water mist can be sprayed out over a wide area through the wide-angle nozzles to effectively block dust from settling sites. At the same time, the water pressure generated by the water supply inside the pipes can drive the limit wheels to automatically lock the steel wire ropes, firmly fixing the position of the canopy and preventing slippage and loosening during operation and in windy weather. 2. In the later stages of construction, the water supply pipelines act as supporting columns and are placed along the edge of the foundation pit in conjunction with the long strip-structured dustproof canopy. After the modification and deployment, the canopy can replace the protective fence and play a role in on-site isolation and protection. With the wide-angle nozzles, it can still continuously complete the spraying dust suppression operation. The water body retained in the elastic structure inside the shaft can increase the overall weight of the device and further improve the stability of the placement. The water storage structure can rely on elastic potential energy to compensate for water pressure fluctuations, stabilize the water pressure, ensure the continuous and uniform spraying effect, and guarantee the dust suppression quality at different construction stages. 3. The device adopts a symmetrical structure design on both sides of the horizontal water pipe; in the middle and later stages of construction, the mirror symmetrical structure at the top of the horizontal water pipe can be used as a redundant backup structure to effectively improve the device's adaptability and versatility to various complex construction conditions. In summary, this invention integrates the spraying mechanism with the dust suppression canopy into a single design, allowing a single unit to meet the operational needs of the entire construction phase of the foundation pit, effectively solving the problem of low utilization rate of traditional split-type dust suppression equipment. Attached Figure Description

[0012] The present invention will be further explained below with reference to the accompanying drawings and embodiments: Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the wide-angle nozzle structure of the present invention; Figure 3 This is a schematic diagram of the shaft and cylinder structure of the present invention; Figure 4 This is a schematic diagram of the limiting wheel structure of the present invention; Figure 5 This is the present invention. Figure 4 Enlarged schematic diagram of part A; Figure 6 This is the present invention. Figure 4 Enlarged schematic diagram of section B structure; Figure 7 This is a schematic diagram of the mounting block structure of the present invention; Figure 8 This is a schematic diagram of the plug plate structure of the present invention; Figure 9 This is a schematic diagram of the inner cavity structure of the shaft cylinder of the present invention.

[0013] Explanation of reference numerals in the attached figures: 1. Main water pipe; 2. Horizontal water pipe; 3. Wide-angle nozzle; 4. Mounting round plate; 5. Horizontal plate; 6. Outer sleeve; 7. Inner slide rod; 8. Mounting block; 9. Shaft cylinder; 10. Limiting wheel; 11. Spring 1; 12. Water supply pipe; 13. Vertical cylinder; 14. Transmission screw; 15. Plug plate 1; 16. Air supply pipe 1; 17. Air supply pipe 2; 18. Plug plate 2; 19. Spring 2; 20. Sealing ring; 21. Slide rod 2; 22. Base plate; 23. Spring 3; 24. Limiting ring 1; 25. Limiting ring 2; 26. Air hole; 27. Dustproof canopy; 28. Steel wire rope. Detailed Implementation

[0014] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0015] This invention provides an improved wide-angle spray energy-saving civil engineering dust control device. The technical solution of this invention is as follows: like Figures 1-9As shown, a wide-angle spray energy-saving civil engineering dust control device includes a main water pipe 1, with several horizontal water pipes 2 connected at equal intervals on the main water pipe 1. A dustproof canopy 27 is laid between the main water pipe 1 and the horizontal water pipes 2. Several wide-angle nozzles 3 are evenly spaced at the bottom of each horizontal water pipe 2. Two symmetrical mounting circular plates 4 are welded to both ends of each horizontal water pipe 2. Several horizontal plates 5 are welded at equal angles on the outer surface of each mounting circular plate 4. An outer sleeve 6 is fixedly installed on each horizontal plate 5. An inner sliding rod 7 is slidably installed inside each outer sleeve 6. An installation block 8 is fixedly installed on the side of each inner sliding rod 7 away from the corresponding outer sleeve 6. Each installation block 8 is welded with... Each shaft cylinder 9 has a limiting ring 24 and a limiting ring 25 welded to its inner wall. A limiting wheel 10 is rotatably connected to the outer ring surface of each shaft cylinder 9. A spring 11 is wound around the body of each inner slide rod 7, and several springs 11 are respectively connected between the outer wall of the corresponding inner slide rod 7 and the inner wall of the corresponding outer sleeve 6. A water supply pipe 12 connects each shaft cylinder 9 to the corresponding transverse water pipe 2. A vertical cylinder 13 is welded to the side wall of each mounting circular plate 4. A transmission screw 14 is threaded to the top of each vertical cylinder 13, and a stopper plate 15 is rotatably connected to the bottom of each transmission screw 14. A water supply pipe 15 connects each adjacent vertical cylinder 13 to several outer sleeves 6. Each shaft cylinder 9 is connected to its corresponding outer sleeve 6 by an air supply pipe 17. Each shaft cylinder 9 has a sliding stopper plate 18, and each stopper plate 18 is connected to the inner wall of its corresponding outer sleeve 6 by a spring 19. Before use, the operator places several horizontal water pipes 2 between two adjacent steel wire ropes 28, ensuring the steel wire ropes 28 are positioned between four sets of limit wheels 10 on one side. Then, the operator sequentially rotates the transmission screw 14, causing the transmission screw 14 to move the stopper plate 15 downwards, thereby compressing the internal space of the vertical cylinder 13 and allowing the gas inside the vertical cylinder 13 to flow out. The outflowing gas flows into the outer cylinder through the air supply pipe 16, making... The inner slide rod 7 pushes the mounting block 8, shaft cylinder 9, and limiting wheel 10 to move towards the wire rope 28. The spring 11 is compressed, so that the wire rope 28 is located in the slide between the four sets of limiting wheels 10 on one side, thereby realizing the installation of several horizontal water pipes 2 and wire rope 28 in sequence. It should be noted that due to the limiting ring 24 set in the shaft cylinder 9, the airflow will not enter the inner cavity of the shaft cylinder 9 through the air supply pipe 17 and push the plug plate 18 to move. Then, the horizontal water pipes 2 are pulled by the traction mechanism to move, so that several horizontal water pipes 2 are evenly distributed on the wire rope 28, thereby allowing the dustproof canopy 27 to be laid out along the preset wire rope 28.

[0016] Furthermore, a sealing ring 20 is slidably disposed within the inner cavity of each shaft cylinder 9. Several sliding rods 21 are welded at equal angles onto the surface of each sealing ring 20, and these sliding rods 21 extend to the outside of the corresponding shaft cylinder 9. A base plate 22 is welded to the side of each sealing ring 20 away from the corresponding shaft cylinder 9. A spring 3 23 is wound around the body of each sliding rod 21, and several springs 3 23 are respectively connected between the corresponding base plate 22 and the bottom wall of the corresponding shaft cylinder 9. Several air holes are evenly spaced on the wall of each shaft cylinder 9. 26. During the later stages of construction, the entire device is detached from the steel wire rope 28. Subsequently, the horizontal water pipe 2 acts as a supporting column and, together with the long strip-structured dustproof canopy 27, is arranged along the edge of the foundation pit. After the modification and deployment, the canopy can replace the protective fence, playing a role in on-site isolation and protection. Combined with the wide-angle nozzles 3, it can still continuously complete the spraying dust suppression operation. During this process, the workers reverse the rotation of the transmission screw 14, causing the plug plate 15 to move upward, so that the four sets of inner sliding rods 7 and the shaft cylinder 9 on one side are under the elastic force of the spring 11. Moving in opposite directions results in a wider distribution of the four corner support points at the bottom when the horizontal water pipe 2 is placed vertically, thus enhancing stability. Secondly, when the horizontal water pipe 2 is placed vertically, the weight of the device body causes the slide rod 21 to move into the inner cavity of the shaft cylinder 9. The slide rod 21 pushes the sealing ring 20 towards the plug plate 18, causing the sealing ring 20, which originally blocked the air hole 26, to switch to blocking the connection between the air supply pipe 17 and the shaft cylinder 9. After installation, the high-pressure water flow delivered to the main water pipe 1 passes sequentially through the horizontal water pipe... Pipe 2 and water supply pipe 12 enter the shaft cylinder 9 and push the second stopper plate 18 to move. Since the space on the other side of the second stopper plate 18 is connected to the outside through the air hole 26, more water is filled in the inner cavity of the shaft cylinder 9, which increases the weight of the shaft cylinder 9 and further enhances its stability during use. In addition, when the pressure of the delivered water fluctuates, the elastic potential energy of the second spring 19 in the shaft cylinder 9 can be used to compensate for the water pressure fluctuation, stabilize the water pressure, ensure the continuous and uniform spraying effect, and guarantee the dust suppression quality at different construction stages.

[0017] Furthermore, each base plate 22 has anti-slip texture on the side away from the corresponding slide bar 21. The anti-slip texture increases the friction between the base plate 22 and the ground, improving stability during use.

[0018] Working principle: Before use, the operator places several horizontal water pipes 2 between two adjacent steel wire ropes 28, ensuring that the steel wire ropes 28 are positioned between four sets of limit wheels 10 on one side. Then, the operator rotates the transmission screw 14 sequentially, causing the transmission screw 14 to move the stopper plate 15 downwards, thereby compressing the internal space of the vertical cylinder 13 and allowing the gas inside the vertical cylinder 13 to flow out. The outflowing gas flows into the outer cylinder through the gas supply pipe 16, causing the inner sliding rod 7 to push the mounting block 8, the shaft cylinder 9, and the limit wheels. The spring 11 is compressed as the steel wire rope 28 moves towards the direction of the 10, thus placing the steel wire rope 28 within the slide between the four sets of limiting wheels 10 on one side. This allows for the sequential installation of several transverse water pipes 2 and the steel wire rope 28. It should be noted that due to the limiting ring 24 inside the shaft cylinder 9, airflow will not enter the inner cavity of the shaft cylinder 9 through the air supply pipe 17 and push the stopper plate 18 to move. Subsequently, the traction mechanism pulls the transverse water pipes 2 to move, so that several transverse water pipes 2 are evenly spaced. The distances are distributed on the steel wire rope 28, thus allowing the dustproof canopy 27 to be laid out along the preset steel wire rope 28; in use, the external water pipe is connected to the main water pipe 1, and water is supplied to its interior; the water first enters the transverse water pipe 2 through the main water pipe 1, and then enters the inner cavity of the shaft cylinder 9 through the water supply pipe 12; due to the large water pressure of the supplied water, the second spring 19 inside the shaft cylinder 9 is compressed, and at the same time the second stopper 18 moves away from the water supply pipe 12; the transverse movement of the second stopper 18 will push against its... On the other side, the gas enters the outer sleeve 6 through the gas supply pipe 17 and further pushes the inner slide rod 7 to move. The inner slide rod 7 will further push the mounting block 8, the shaft cylinder 9 and the limit wheel 10 to move towards the wire rope 28, so that the limit wheel 10 automatically locks the wire rope 28, firmly fixing the position of the canopy and preventing slippage and loosening during operation and in windy weather. Then, the high-pressure water flow enters the wide-angle nozzle 3, and the water mist is sprayed out over a wide area through the wide-angle nozzle 3, effectively blocking dust at the settling site. In the later stages of construction, the entire device is detached from the steel wire rope 28. Then, the horizontal water pipe 2 acts as a supporting column, and together with the long, narrow dustproof canopy 27, it is arranged along the edge of the pit. After modification, the canopy can replace the protective fence, providing on-site isolation and protection. Combined with wide-angle sprinklers 3, it can still continuously perform dust suppression spraying operations. During this process, the workers reverse the rotation of the transmission screw 14, causing the stopper plate 15 to move upwards, so that the four sets of inner sliding rods 7 and the shaft cylinder 9 on one side are spring-loaded by the spring 11. Under the action of force, they move in opposite directions, resulting in a wider distribution of the four corner support points at the bottom when the horizontal water pipe 2 is placed vertically, thus increasing its stability. Secondly, when the horizontal water pipe 2 is placed vertically, the weight of the device body causes the slide rod 21 to move into the inner cavity of the shaft cylinder 9. The slide rod 21 pushes the sealing ring 20 towards the plug plate 18, so that the sealing ring 20, which originally blocked the air hole 26, switches to blocking the connection between the air supply pipe 27 and the shaft cylinder 9. After the installation is completed, the high-pressure water pipe 1 is transported to the main water pipe 1. The pressurized water flows sequentially through the transverse water pipe 2 and the water delivery pipe 12 into the shaft cylinder 9, pushing the second plug plate 18 to move. Since the space on the other side of the second plug plate 18 is connected to the outside through the air hole 26, more water is filled in the inner cavity of the shaft cylinder 9, thereby increasing the weight of the shaft cylinder 9 and further enhancing its stability during use. In addition, when the pressure of the delivered water fluctuates, the elastic potential energy of the second spring 19 inside the shaft cylinder 9 can be used to compensate for the water pressure fluctuation, stabilize the water pressure, ensure the continuous and uniform spray effect, and guarantee the dust suppression quality at different construction stages. Furthermore, the transverse water pipe 2 of this device adopts a symmetrical structural design on both sides. In the middle and later stages of construction, the mirror symmetrical structure at the top of the transverse water pipe 2 can be used as a redundant backup structure, effectively improving the adaptability and versatility of the device to various complex construction conditions. This invention integrates the spraying mechanism and the dustproof canopy 27 into a single design, and a single set of equipment can meet the operational needs of the entire construction stage of the foundation pit, effectively solving the problem of low utilization rate of traditional split dust suppression equipment.

[0019] The foregoing description enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wide-angle spray energy-saving civil engineering dust control device, comprising a main water pipe (1), characterized in that: The main water pipe (1) is connected to several horizontal water pipes (2) at equal intervals. A dustproof canopy (27) is laid between the main water pipe (1) and the horizontal water pipes (2). Several wide-angle nozzles (3) are evenly spaced at the bottom of each horizontal water pipe (2). Two symmetrical mounting round plates (4) are welded to both ends of each horizontal water pipe (2). Several horizontal plates (5) are welded at equal angles on the outer surface of each mounting round plate (4). An outer sleeve (6) is fixedly installed on each horizontal plate (5). An inner slide rod (7) is slidably installed inside each outer sleeve (6). An mounting block (8) is fixedly installed on the side of each inner slide rod (7) away from the corresponding outer sleeve (6). A shaft cylinder (9) is welded to each mounting block (8). A limit wheel (10) is rotatably connected to the outer ring surface of each shaft cylinder (9). Each inner slide rod (7) is wound with a spring (11), and several springs (11) are respectively connected between the outer wall of the corresponding inner slide rod (7) and the inner wall of the corresponding outer sleeve (6). Each shaft cylinder (9) is connected to the corresponding transverse water pipe (2) by a water supply pipe (12). Each of the mounting circular plates (4) has a vertical cylinder (13) welded to its side wall. Each vertical cylinder (13) has a transmission screw (14) threaded to its top. Each transmission screw (14) has a plug plate (15) rotatably connected to its bottom. Each adjacent vertical cylinder (13) is connected to several outer sleeves (6) by an air supply pipe (16). Each of the shaft cylinders (9) is connected to the corresponding outer sleeve (6) by a second air supply pipe (17), and each of the shaft cylinders (9) is slidably provided with a second plug plate (18), and each of the second plug plate (18) is connected to the inner wall of the corresponding outer sleeve (6) by a second spring (19). Each of the shaft cylinders (9) has a slidably disposed sealing ring (20) in its inner cavity. Each sealing ring (20) has several sliding rods (21) welded at equal angles on its surface. The sliding rods (21) extend to the outside of the corresponding shaft cylinder (9). Each sealing ring (20) has a base plate (22) welded to the side away from the corresponding shaft cylinder (9). Each sliding rod (21) has a spring (23) wound around its body. The springs (23) are respectively connected between the corresponding base plate (22) and the bottom wall of the corresponding shaft cylinder (9).

2. The wide-angle spray energy-saving civil engineering dust control device according to claim 1, characterized in that: Each of the shaft cylinders (9) has a limiting ring one (24) and a limiting ring two (25) welded on its inner wall, and each of the shaft cylinders (9) has several air holes (26) opened at equal angles on its cylinder wall.

3. The wide-angle spray energy-saving civil engineering dust control device according to claim 1, characterized in that: Each of the base plates (22) has anti-slip textures on the side away from the corresponding slide bar (21).

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