A spray dust-settling device for a building temporary fence

Abstract

The application relates to the technical field of dust-settling devices, and discloses a spray dust-settling device for a temporary building fence, which comprises a box shell, a water baffle is fixedly connected to the top of the box shell, an adjusting device is arranged at the top of the box shell, a dredging device is arranged at the front of the water baffle, a braking device is arranged at the left side of the box shell, when dust-settling work is started, the device is pushed to a dust-thick area through a handrail, the water tank is filled with water, the direction of the water sprayer can be adjusted, the flexibility of the device can be improved, manual adjustment by manpower is avoided, the coverage of dust can be improved, the dust-settling effect of the device is improved, meanwhile, the rotating rod is rotated to drive the water sprayer to rotate, so that the water sprayer swings up and down during water spraying, the coverage effect of the water sprayer on dust can be improved, and the dust-settling effect of the device can be further improved.

Description

Technical Field

[0001] This invention relates to the field of dust suppression device technology, specifically a spray dust suppression device for temporary building enclosures. Background Technology

[0002] With the rapid development of urbanization, the number of construction projects is increasing daily. During the construction process, a large amount of dust is generated. This dust not only affects air quality but also poses a serious threat to the surrounding environment and the health of residents. According to relevant studies, construction site dust is one of the important sources of urban air pollution. The inhalable particulate matter and fine particulate matter pollutants generated can easily cause respiratory diseases, cardiovascular diseases, and other health problems, posing a great threat to human health.

[0003] The patent with publication number CN220736891U relates to a spray dust suppression device, including a base, a turntable rotatably connected to the top of the base, an adjustment structure on the top of the turntable, a first gear fixedly installed at the bottom of the turntable, a fixed box fixedly installed at the bottom of the base, a first motor fixedly installed inside the fixed box, and a second gear fixedly installed on the output shaft of the first motor. This dust suppression spray device, through the setting of an adjustment structure, uses a first motor to drive a second gear to rotate, which in turn drives a turntable to rotate, thereby achieving adjustment of the horizontal angle of the dust suppression spray device. The device also uses a second motor to drive a threaded rod to rotate, allowing a fixed plate to move up and down outside the fixed column, thus achieving adjustment of the vertical height of the fog cannon on the dust suppression spray device. This allows for multi-directional adjustment of the angle of the dust suppression spray device, making it more convenient to use. However, during the spraying of water mist, this device can only spray dust in a single direction. If a change of direction is needed, the device must be manually rotated, which is very inconvenient. Therefore, a dust suppression spray device for temporary building fences is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a spray dust suppression device for temporary building fences, which addresses the shortcomings of the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a spray dust suppression device for temporary building fences, comprising a housing, a water baffle fixedly connected to the top of the housing, an adjustment device provided on the top of the housing, a dredging device provided at the front of the water baffle, and a braking device provided on the left side of the housing; the adjustment device includes a motor, a rotating shaft, a rotating frame, a protruding ring, a water tank, a rotating rod, a water sprayer, a fixing ring, an L-shaped plate, and an L-shaped elastic telescopic plate; the motor is fixedly connected to the inner wall of the housing, the rotating shaft is fixedly connected to the output end of the motor, the rotating frame is fixedly connected to the circumferential surface of the rotating shaft, the protruding ring is fixedly connected to the top of the housing, the water tank is fixedly connected to the inner wall of the housing, the rotating rod is rotatably connected to the inner wall of the rotating frame, the water sprayer is rotatably connected to the circumferential surface of the rotating rod, the fixing ring is fixedly connected to the circumferential surface of the rotating rod, the L-shaped plate is fixedly connected to the circumferential surface of the fixing ring, and the L-shaped plate is fixedly connected to the circumferential surface of the fixing ring. The L-shaped elastic telescopic plate is fixedly connected to the circumferential surface of the fixed ring. The circumferential surface of the rotating shaft is rotatably connected to the inner wall of the housing. The bottom of the rotating frame is in contact with the top of the housing. The bottom of the L-shaped plate is in contact with the top of the protrusion ring. The telescopic end of the L-shaped elastic telescopic plate is in contact with the top of the protrusion ring. A water pump is installed on the left side of the water tank. The side of the water pump away from the water tank is connected to the water sprayer through a water pipe. When dust suppression begins, the device is pushed to the area with dense dust by the handle. After filling the water tank with water, the direction of the water sprayer can be adjusted to improve the flexibility of the device, avoid the need for manual adjustment, and increase the coverage of dust, thereby improving the dust suppression effect of the device. At the same time, the rotation of the rotating rod drives the water sprayer to rotate, so that the water sprayer swings up and down during the spraying process, thereby improving the coverage of dust by the water sprayer and further improving the dust suppression effect of the device.

[0006] Preferably, the unblocking device includes a fixed plate, a filter plate, an arc-shaped plate, and a cleaning roller. The fixed plate is fixedly connected to the front of the baffle plate, the filter plate is fixedly connected to the inner wall of the housing, the arc-shaped plate is fixedly connected to the rear of the rotating frame, and the cleaning roller is rotatably connected to the inner wall of the fixed plate. The unblocking device also includes a drive wheel, an L-shaped plate II, and a push plate. The drive wheel is fixedly connected to the central shaft of the cleaning roller, the L-shaped plate II is fixedly connected to the bottom of the arc-shaped plate, and the push plate is fixedly connected to the bottom of the L-shaped plate II. The top of the filter plate and the bottom of the push plate are in contact with each other. The circumferential surface of the drive wheel... The L-shaped plate contacts the rear of the curved plate. During the dust suppression spraying process, the rotating frame rotates, causing the curved plate to rotate. As the curved plate rotates, it contacts the transmission wheel. This allows the cleaning roller to clean the spray nozzles on the surface of the sprayer while the sprayer is being adjusted. This prevents the spray nozzles from becoming clogged due to poor water quality containing a lot of mud, sand, and other impurities. At the same time, during the cleaning of the sprayer, the L-shaped plate rotates, causing the push plate to rotate. This scrapes off the dust, sand, and other impurities that fall from the surface of the filter plate, thus preventing the water from not circulating due to filter plate blockage.

[0007] Preferably, the braking device includes a fixed block, an inclined plate, a straight rod, a support plate, and a transmission spring. The fixed block is fixedly connected to the left side of the housing, the inclined plate is fixedly connected to the front of the arc-shaped plate, the straight rod is slidably connected to the inner wall of the fixed block, the support plate is fixedly connected to the bottom of the straight rod, and the transmission spring is sleeved on the circumferential surface of the straight rod. The braking device also includes an inclined block, a grooved plate, an elastic telescopic block, and a push block. The inclined block is fixedly connected to the top of the straight rod, the grooved plate is fixedly connected to the left side of the housing, the elastic telescopic block is fixedly connected to the inner wall of the straight rod, the push block is fixedly connected to the telescopic end of the elastic telescopic block, and the bottom of the transmission spring is fixedly connected to the top of the support plate. The top of the transmission spring is fixedly connected to the bottom of the fixed block, the top of the support plate is in contact with the bottom of the housing, and the telescopic end of the elastic telescopic block is in contact with the left side of the grooved plate. During adjustment, the movement of the straight rod drives the support plate to move, thereby fixing the device during water spraying. This prevents the dust suppression device from being moved by the reverse thrust of the water spray during dust suppression, which would require readjustment of the device angle. At the same time, the output end of the elastic telescopic block will be stuck in the inner wall of the grooved plate, thereby limiting the straight rod and preventing it from returning to its original position due to the compression force of the transmission spring. This ensures stable fixed support for the device.

[0008] The present invention, by adopting the above technical solution, can bring the following beneficial effects:

[0009] 1. The dust suppression spray system for the temporary perimeter wall of this building operates through the coordinated movement of a housing, water baffle, motor, rotating shaft, rotating frame, protruding ring, water tank, rotating rod, water sprayer, fixing ring, L-shaped plate, and L-shaped elastic telescopic plate. When dust suppression begins, the device is pushed to the dusty area via the handrail. After filling the water tank, the direction of the water sprayer can be adjusted, increasing the device's flexibility and eliminating the need for manual adjustment. This also increases the dust coverage area and improves the dust suppression effect. Simultaneously, the rotating rod drives the water sprayer to rotate, causing it to swing up and down during spraying, further enhancing the dust coverage and improving the dust suppression effect of the system.

[0010] 2. The dust suppression spray device for the temporary building enclosure works in coordination with a fixed plate, filter plate, arc plate, cleaning roller, drive wheel, L-shaped plate II, and push plate. During the dust suppression spraying process, the rotating frame rotates, causing the arc plate to rotate. The arc plate contacts the drive wheel during rotation, allowing the cleaning roller to clean the spray nozzles on the surface of the sprayer while the sprayer is being adjusted. This prevents the spray nozzles from becoming clogged due to poor water quality containing a lot of mud, sand, and other impurities. At the same time, while cleaning the sprayer, the rotation of L-shaped plate II drives the push plate to rotate, which can remove dust, sand, and other impurities that fall from the surface of the filter plate, thus preventing the water from not circulating due to filter plate blockage.

[0011] 3. The dust suppression spray system of the temporary building enclosure works in coordination with a fixed block, inclined plate, straight rod, support plate, transmission spring, inclined block, grooved plate, elastic telescopic block, and push block. During adjustment, the straight rod moves, causing the support plate to move, thus fixing the device during water spraying. This prevents the dust suppression device from being moved by the reaction force of the water spray during dust suppression, which would require readjustment. At the same time, the output end of the elastic telescopic block is locked in the inner wall of the grooved plate, limiting the straight rod and preventing it from returning to its original position due to the compression force of the transmission spring. This ensures stable support for the device. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 This is a half-sectional view of the adjusting device of the present invention;

[0014] Figure 3 This is a schematic diagram of the rotating rod structure of the present invention;

[0015] Figure 4 This is a half-sectional view of the unblocking device of the present invention;

[0016] Figure 5 For the present invention Figure 4 Enlarged view of the structure at point A in the middle;

[0017] Figure 6 This is a schematic diagram of the braking device of the present invention;

[0018] Figure 7 For the present invention Figure 6 Enlarged view of the structure at point B in the middle.

[0019] In the diagram: 1. Shell; 2. Water baffle; 3. Adjustment device; 31. Motor; 32. Rotating shaft; 33. Rotating frame; 34. Protruding ring; 35. Water tank; 36. Rotating rod; 37. Sprayer; 38. Fixing ring; 39. L-shaped plate one; 310. L-shaped elastic telescopic plate; 4. Unblocking device; 41. Fixing plate; 42. Filter plate; 43. Arc plate; 44. Cleaning roller; 45. Drive wheel; 46. L-shaped plate two; 47. Push plate; 5. Braking device; 51. Fixing block; 52. Inclined plate; 53. Straight rod; 54. Support plate; 55. Transmission spring; 56. Inclined block; 57. Groove plate; 58. Elastic telescopic block; 59. Push block. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. 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.

[0021] Please see Figures 1-7One embodiment of the present invention is: a spray dust suppression device for a temporary building fence, comprising a housing 1, a water baffle 2 fixedly connected to the top of the housing 1, an adjustment device 3 provided on the top of the housing 1, a drainage device 4 provided at the front of the water baffle 2, and a braking device 5 provided on the left side of the housing 1; the adjustment device 3 includes a motor 31, a rotating shaft 32, a rotating frame 33, a protruding ring 34, a water tank 35, a rotating rod 36, a water sprayer 37, a fixing ring 38, an L-shaped plate 39, and an L-shaped elastic telescopic plate 310; the motor 31 is fixedly connected to the inner wall of the housing 1, the rotating shaft 32 is fixedly connected to the output end of the motor 31, and the rotating frame 33 is fixedly connected to the circumference of the rotating shaft 32. The device consists of a protrusion ring 34 fixedly connected to the top of the housing 1, a water tank 35 fixedly connected to the inner wall of the housing 1, a rotating rod 36 rotatably connected to the inner wall of the rotating frame 33, a water sprayer 37 rotatably connected to the circumferential surface of the rotating rod 36, and a fixing ring 38 fixedly connected to the circumferential surface of the rotating rod 36. When dust suppression begins, the device is pushed to an area with dense dust using the handrail. The water tank 35 is then filled with water. At this time, the motor 31 starts, driving the rotating shaft 32 to rotate. The rotating shaft 32 then drives the rotating frame 33 to rotate, which in turn drives the rotating rod 36 to rotate. The rotating rod 36 then drives the water sprayer 37 to rotate, thus enabling the water sprayer 37 to rotate. Adjustments are made to improve the flexibility of the device, avoid the need for manual adjustments, and increase the dust coverage area, thereby improving the dust reduction effect. L-shaped plate 39 is fixedly connected to the circumference of the fixed ring 38, and L-shaped elastic telescopic plate 310 is fixedly connected to the circumference of the fixed ring 38. The circumference of the rotating shaft 32 is rotatably connected to the inner wall of the housing 1. The bottom of the rotating frame 33 is in contact with the top of the housing 1. The bottom of L-shaped plate 39 is in contact with the top of the protrusion ring 34, and the telescopic end of L-shaped elastic telescopic plate 310 is in contact with the top of the protrusion ring 34. A water pump is located on the left side of the water tank 35, and the side of the water pump furthest from the water tank 35 is connected to the spray nozzle. The water sprayers 37 are connected by water pipes. Simultaneously, the rotating rod 36 rotates, causing the fixed ring 38 to rotate. The fixed ring 38 rotates, causing the L-shaped plate 39 to rotate. When the L-shaped plate 39 rotates, it contacts the top of the protruding ring 34. When the L-shaped plate 39 moves to the protruding part of the protruding ring 34, it contacts the top of the protruding ring 34, causing the L-shaped plate 39 to rotate. This rotation of the L-shaped plate 39 drives the rotating rod 36 to rotate, which in turn drives the water sprayer 37 to rotate. This causes the water sprayer 37 to swing up and down during water spraying, thereby improving the dust coverage effect of the water sprayer 37 and further enhancing the dust suppression effect of the device.

[0022] The unblocking device 4 includes a fixed plate 41, a filter plate 42, an arc-shaped plate 43, and a cleaning roller 44. The fixed plate 41 is fixedly connected to the front of the baffle plate 2, the filter plate 42 is fixedly connected to the inner wall of the housing 1, the arc-shaped plate 43 is fixedly connected to the rear of the rotating frame 33, and the cleaning roller 44 is rotatably connected to the inner wall of the fixed plate 41. During the dust suppression spraying process, the rotating frame 33 rotates, driving the arc-shaped plate 43 to rotate. During the rotation, the arc-shaped plate 43 comes into contact with the transmission wheel 45, causing friction between the transmission wheel 45 and the arc-shaped plate 43, resulting in its rotation. The rotation of the transmission wheel 45 drives the cleaning roller 44 to rotate. Thus, when the water sprayer 37 is rotated for adjustment, the cleaning roller 44 cleans the spray nozzles on the surface of the water sprayer 37, preventing blockage of the spray nozzles caused by poor water quality containing a lot of mud, sand, impurities, etc. The unblocking device 4 also... The system includes a drive wheel 45, an L-shaped plate 46, and a push plate 47. The drive wheel 45 is fixedly connected to the central shaft of the cleaning roller 44. The L-shaped plate 46 is fixedly connected to the bottom of the arc plate 43. The push plate 47 is fixedly connected to the bottom of the L-shaped plate 46. The top of the filter plate 42 is in contact with the bottom of the push plate 47. The circumferential surface of the drive wheel 45 is in contact with the rear of the arc plate 43. At the same time, when cleaning the water sprayer 37, the water sprayed by the water sprayer 37 is blocked by the baffle plate 2, so that the sprayed water flows down along the inner wall of the baffle plate 2. The flowing water will return to the water tank 35 through the filter plate 42, thus avoiding water waste. The rotation of the rotating frame 33 drives the L-shaped plate 46 to rotate, and the rotation of the L-shaped plate 46 drives the push plate 47 to rotate, thereby removing dust, sand and other impurities that fall on the surface of the filter plate 42, thus preventing the filter plate 42 from becoming clogged and causing the water flow to be unable to circulate.

[0023] Working principle: When dust suppression begins, the device is pushed to the area with dense dust using the handle, and the water tank 35 is filled with water. At this time, the motor 31 starts, driving the rotating shaft 32 to rotate. The rotating shaft 32 then drives the rotating frame 33 to rotate, which in turn drives the rotating rod 36 to rotate. The rotating rod 36 then drives the water sprayer 37 to rotate, allowing for adjustment of the sprayer 37's direction. This improves the device's flexibility, avoids manual adjustment, and increases the dust coverage area, enhancing the dust suppression effect. Simultaneously, the rotation of the rotating rod 36... The rotating fixed ring 38 drives the L-shaped plate 39 to rotate. When the L-shaped plate 39 rotates, it contacts the top of the protrusion ring 34. When the L-shaped plate 39 moves to the protruding part of the protrusion ring 34, it contacts the top of the protrusion ring 34, causing the L-shaped plate 39 to rotate. The rotation of the L-shaped plate 39 drives the rotating rod 36 to rotate, which in turn drives the water sprayer 37 to rotate. This causes the water sprayer 37 to swing up and down during the water spraying process, thereby improving the dust coverage effect of the water sprayer 37 and further improving the dust reduction effect of the device.

[0024] During the dust suppression spraying process, the rotating frame 33 rotates, causing the arc-shaped plate 43 to rotate. As the arc-shaped plate 43 rotates, it comes into contact with the transmission wheel 45, generating friction and causing it to rotate. The rotation of the transmission wheel 45 drives the cleaning roller 44 to rotate. Thus, while the water sprayer 37 is being adjusted, the cleaning roller 44 cleans the spray nozzles on the surface of the water sprayer 37, preventing water spraying from the water source if it contains poor quality water, such as mud, sand, or impurities. When the nozzle is blocked, the water sprayed from the sprayer 37 will be blocked by the baffle plate 2 when cleaning the sprayer 37. The water will flow down the inner wall of the baffle plate 2 and return to the water tank 35 through the filter plate 42, thus avoiding water waste. The rotating frame 33 rotates, which drives the L-shaped plate 46 to rotate. The L-shaped plate 46 rotates, which drives the push plate 47 to rotate, thereby removing dust, sand and other impurities that fall on the surface of the filter plate 42, thus preventing the water from not circulating due to the blockage of the filter plate 42.

[0025] Please see Figures 1-7Based on the above embodiments, in another embodiment of the present invention, the braking device 5 includes a fixing block 51, an inclined plate 52, a straight rod 53, a support plate 54, and a transmission spring 55. The fixing block 51 is fixedly connected to the left side of the housing 1, the inclined plate 52 is fixedly connected to the front of the arc-shaped plate 43, the straight rod 53 is slidably connected to the inner wall of the fixing block 51, the support plate 54 is fixedly connected to the bottom of the straight rod 53, and the transmission spring 55 is sleeved on the circumferential surface of the straight rod 53. The braking device 5 also includes an inclined block 56, a grooved plate 57, and an elastic telescopic block 58. Push block 59 and inclined block 56 are fixedly connected to the top of straight rod 53. During adjustment, the arc plate 43 rotates and contacts inclined block 56, causing inclined block 56 to move downward under the squeezing force of inclined block 56. The downward movement of inclined block 56 drives straight rod 53 to move downward, and the movement of straight rod 53 drives support plate 54 to move. This can fix the device during water spraying, preventing the dust suppression device from moving due to the reaction force of the water spray during dust suppression, which would require readjustment of the device angle. Groove plate 5 7 is fixedly connected to the left side of the housing 1. The elastic telescopic block 58 is fixedly connected to the inner wall of the straight rod 53. The push block 59 is fixedly connected to the telescopic end of the elastic telescopic block 58. The bottom of the transmission spring 55 is fixedly connected to the top of the support plate 54. The top of the transmission spring 55 is fixedly connected to the bottom of the fixed block 51. The top of the support plate 54 is in contact with the bottom of the housing 1. The telescopic end of the elastic telescopic block 58 is in contact with the left side of the groove plate 57. Simultaneously, the straight rod 53 moves, causing the elastic telescopic block 58 to move. During the movement of the elastic telescopic block 58... During the process, it will contact the groove plate 57. When the straight rod 53 moves down to the bottom, the elastic telescopic block 58 will reset, so that the output end of the elastic telescopic block 58 will be stuck in the inner wall of the groove plate 57, thereby limiting the straight rod 53 and preventing the straight rod 53 from resetting due to the compression force of the transmission spring 55. This can stably fix and support the device. When the dust removal is completed and no support is needed, the push block 59 is pulled out and moved. The movement of the push block 59 drives the telescopic end of the elastic telescopic block 58 to compress, thereby releasing the limit of the straight rod 53.

[0026] Working principle: During adjustment, the curved plate 43 rotates and contacts the inclined block 56, causing the inclined block 56 to move downward under the squeezing force. The downward movement of the inclined block 56 drives the straight rod 53 to move downward, and the movement of the straight rod 53 drives the support plate 54 to move. This can fix the device during water spraying, preventing the dust suppression device from moving due to the reaction force of the water spray, which would otherwise require readjustment of the device's angle. At the same time, the movement of the straight rod 53 drives the elastic telescopic block 58 to move. During the movement, the rod 53 will come into contact with the groove plate 57. When the straight rod 53 moves to the bottom, the elastic telescopic block 58 will reset, so that the output end of the elastic telescopic block 58 will be stuck on the inner wall of the groove plate 57, thereby limiting the straight rod 53 and preventing the straight rod 53 from resetting due to the compression force of the transmission spring 55. This will stably fix and support the device. When the dust removal is completed and no support is needed, the push block 59 is pulled out and moved. The movement of the push block 59 will cause the telescopic end of the elastic telescopic block 58 to be compressed, thereby releasing the limit of the straight rod 53.

[0027] This invention provides a spray dust suppression device for temporary building fencing. Many methods and approaches exist for implementing this technical solution; the above description is merely a preferred embodiment of the invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications should also be considered within the scope of protection of this invention. All components not explicitly stated in this embodiment can be implemented using existing technologies.

Claims

1. A spray dust suppression device for temporary building enclosures, comprising a housing (1), characterized in that: A baffle plate (2) is fixedly connected to the top of the box shell (1), an adjustment device (3) is provided on the top of the box shell (1), a drainage device (4) is provided at the front of the baffle plate (2), and a braking device (5) is provided on the left side of the box shell (1). The adjusting device (3) includes a motor (31), a rotating shaft (32), a rotating frame (33), a protruding ring (34), a water tank (35), a rotating rod (36), a water sprayer (37), a fixing ring (38), an L-shaped plate (39), and an L-shaped elastic telescopic plate (310). The motor (31) is fixedly connected to the inner wall of the housing (1), the rotating shaft (32) is fixedly connected to the output end of the motor (31), the rotating frame (33) is fixedly connected to the circumferential surface of the rotating shaft (32), and the protruding ring... (34) is fixedly connected to the top of the shell (1), the water tank (35) is fixedly connected to the inner wall of the shell (1), the rotating rod (36) is rotatably connected to the inner wall of the rotating frame (33), the water sprayer (37) is rotatably connected to the circumferential surface of the rotating rod (36), the fixing ring (38) is fixedly connected to the circumferential surface of the rotating rod (36), the L-shaped plate (39) is fixedly connected to the circumferential surface of the fixing ring (38), and the L-shaped elastic telescopic plate (310) is fixedly connected to the circumferential surface of the fixing ring (38). The circumferential surface of the rotating shaft (32) is rotatably connected to the inner wall of the housing (1), the bottom of the rotating frame (33) is in contact with the top of the housing (1), the bottom of the L-shaped plate (39) is in contact with the top of the protrusion ring (34), the telescopic end of the L-shaped elastic telescopic plate (310) is in contact with the top of the protrusion ring (34), a water pump is provided on the left side of the water tank (35), and the side of the water pump away from the water tank (35) is connected to the water sprayer (37) through a water pipe. The unblocking device (4) includes a fixed plate (41), a filter plate (42), an arc plate (43), and a cleaning roller (44). The fixed plate (41) is fixedly connected to the front of the baffle plate (2), the filter plate (42) is fixedly connected to the inner wall of the housing (1), the arc plate (43) is fixedly connected to the rear of the rotating frame (33), and the cleaning roller (44) is rotatably connected to the inner wall of the fixed plate (41). The unblocking device (4) also includes a drive wheel (45), an L-shaped plate (46), and a push plate (47). The drive wheel (45) is fixedly connected to the central shaft of the cleaning roller (44), the L-shaped plate (46) is fixedly connected to the bottom of the arc plate (43), and the push plate (47) is fixedly connected to the bottom of the L-shaped plate (46).

2. The dust suppression spraying device for temporary building fencing according to claim 1, characterized in that: The top of the filter plate (42) is in contact with the bottom of the push plate (47), and the circumferential surface of the drive wheel (45) is in contact with the rear of the arc plate (43).

3. The dust suppression spraying device for temporary building fencing according to claim 2, characterized in that: The braking device (5) includes a fixed block (51), an inclined plate (52), a straight rod (53), a support plate (54), and a transmission spring (55). The fixed block (51) is fixedly connected to the left side of the housing (1), the inclined plate (52) is fixedly connected to the front of the arc plate (43), the straight rod (53) is slidably connected to the inner wall of the fixed block (51), the support plate (54) is fixedly connected to the bottom of the straight rod (53), and the transmission spring (55) is sleeved on the circumferential surface of the straight rod (53).

4. A dust suppression spraying device for temporary building fencing according to claim 3, characterized in that: The braking device (5) also includes an inclined block (56), a grooved plate (57), an elastic telescopic block (58), and a push block (59). The inclined block (56) is fixedly connected to the top of the straight rod (53), the grooved plate (57) is fixedly connected to the left side of the housing (1), the elastic telescopic block (58) is fixedly connected to the inner wall of the straight rod (53), and the push block (59) is fixedly connected to the telescopic end of the elastic telescopic block (58).

5. A dust suppression spraying device for temporary building fencing according to claim 4, characterized in that: The bottom of the transmission spring (55) is fixedly connected to the top of the support plate (54), the top of the transmission spring (55) is fixedly connected to the bottom of the fixing block (51), the top of the support plate (54) is in contact with the bottom of the housing (1), and the telescopic end of the elastic telescopic block (58) is in contact with the left side of the groove plate (57).

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