A construction site dust suppression system

Abstract

The application discloses a construction site dust fall system, which comprises a watering pipe arranged on a construction site fence and atomizing nozzles installed at one end of the watering pipe, a plurality of rotating seats are fixed on the side of the fence, vertical rotating rods are arranged on the rotating seats and rotate, horizontal rods are installed on the vertical rotating rods, the atomizing nozzles are a plurality of and are installed on the horizontal rods respectively, a main pipe is horizontally installed on the rotating seat, the watering pipes are hoses and correspond to the atomizing nozzles one by one, the watering pipes are communicated with the main pipe, a water supply device is communicated with the main pipe, and a driving device for driving the vertical rotating rods to reciprocating rotate is arranged on the fence. The application has the effects of reducing the number of the watering pipes and the atomizing nozzles without reducing the dust removal efficiency, thereby improving the utilization efficiency of a single nozzle.

Description

Technical Field

[0001] This invention relates to the field of dust suppression systems, and more particularly to a dust suppression system for construction sites. Background Technology

[0002] With the rapid pace of urban modernization, numerous construction sites have emerged in cities. The large amount of dust generated by these sites has a severe impact on the surrounding environment, causing a significant amount of dust pollution to be released into the atmosphere, covering the entire city with a thick layer of dust and ultimately leading to serious environmental pollution problems. Moreover, this dust contains a large number of substances that are harmful to human health, which can affect the health of urban residents. Therefore, it is essential to monitor and improve dust control at construction sites.

[0003] In the relevant technology, Chinese invention patent with publication number CN113171667A discloses a dust suppression system for an open-air construction site. The system includes multiple T-pipes arranged in a linear array at equal intervals along the left and right sides of the access passage to the open-air construction site. The first and second ends of adjacent T-pipes are connected by a main water pipe. A sprinkler pipe is connected to the third end of each T-pipe, and a shower head is connected to the end of the sprinkler pipe. The shower head is aimed at the surface of the access passage to the open-air construction site. The first, second, and third ends of the T-pipes are respectively clamped between a first clamp and a second clamp. One end of the first clamp and one end of the second clamp are respectively hinged to both ends of a pin. A locking screw is hinged to the other end of the first clamp, and an opening groove is provided at the other end of the second clamp. A locking nut is screwed onto the locking screw, and the locking screw fits into the opening groove. A support rod is also fixedly connected to the second clamp, with its end inserted into the ground.

[0004] Regarding the aforementioned technologies, the direction of the sprinkler head is fixed by the first clamp, the second clamp, and the support rod, so that the sprinkler head can only spray dust in a fixed direction. In order to reduce the possibility that some areas cannot be sprayed due to excessive spacing of the sprinkler pipes and to ensure efficient dust removal within the construction area, it is necessary to arrange the sprinkler pipes and atomizing nozzles closely around the construction area, which results in low utilization efficiency of individual nozzles. Summary of the Invention

[0005] In order to reduce the number of water pipes and atomizing nozzles and improve the utilization efficiency of individual nozzles without reducing dust removal efficiency, this application provides a construction site dust suppression system.

[0006] The dust suppression system for construction sites provided in this application adopts the following technical solution:

[0007] A dust suppression system for a construction site includes a water sprinkler pipe installed on the perimeter wall of the construction site and an atomizing nozzle installed at one end of the water sprinkler pipe. Several rotating seats are fixed to the side of the perimeter wall, each rotating seat has a vertical rotating rod, and each vertical rotating rod has a horizontal rod. Several atomizing nozzles are installed on the horizontal rods. A main pipe is horizontally installed on the rotating seats. The water sprinkler pipe is a flexible hose and corresponds one-to-one with each atomizing nozzle. All water sprinkler pipes are connected to the main pipe, which is connected to a water supply device. A drive device is installed on the perimeter wall to drive the vertical rotating rods to reciprocate.

[0008] By adopting the above technical solution, a water supply device is connected to the main pipeline, and all sprinkler pipes are connected to the main pipeline. Atomizing nozzles are installed one-to-one with the sprinkler pipes at one end of the sprinkler pipes. When the water supply device is activated, the atomizing nozzles can spray water mist to reduce dust at the construction site. At the same time, the rotating base is installed on the side of the wall, the horizontal rod is installed on the vertical rotating rod, and the atomizing nozzles are installed on the horizontal rod. When the driving device drives the vertical rotating rod to rotate, the vertical rotating rod can drive the horizontal rod to swing, so that the atomizing nozzles installed on the horizontal rod can move back and forth on the wall, increasing the spraying range of the atomizing nozzles. This eliminates the need for the dust suppression system to be tightly arranged, allowing the dust suppression system to reduce the number of sprinkler pipes and atomizing nozzles without reducing dust removal efficiency, thereby improving the utilization efficiency of individual nozzles.

[0009] Preferably, the driving device includes a sliding seat fixed to the wall, a sliding rod passing through the sliding seat, and a rack fixed to the sliding rod. The sliding rod is slidably disposed on the sliding seat. Half gears are fixed on the side of the vertical rotating rod near the sliding rod. The rack corresponds one-to-one with the half gears, and the rack meshes with the half gears respectively. The driving device also includes a reciprocating drive mechanism for driving the sliding rod to slide back and forth.

[0010] By adopting the above technical solution, the sliding seat is fixed to the wall, the sliding rod passes through the sliding seat and is slidably set on the sliding seat, the rack is fixed on the sliding rod, and the half gear is fixed on the vertical rotating rod. The rack meshes with the half gear respectively. When the reciprocating drive mechanism drives the sliding rod to slide back and forth, the rack on the sliding rod can drive the half gear to rotate, thereby driving the vertical rotating rod to rotate, thus increasing the spraying range of a single atomizing nozzle.

[0011] Preferably, the reciprocating drive mechanism includes a motor fixed to the wall, a drive rod fixed to the output shaft of the motor, a strip plate fixed to the sliding rod, a strip hole on the top surface of the strip plate, the length direction of the strip hole intersecting the length direction of the sliding rod, a lever fixed to the drive rod, the lever being inserted into the strip hole, and the lever being slidably disposed within the strip hole.

[0012] By adopting the above technical solution, the lever is inserted into the strip hole and slidably disposed in the strip hole. The drive rod is fixed on the output shaft of the motor. When the motor starts, the output shaft of the motor drives the drive rod to rotate, thereby causing the drive rod to drive the lever to slide in the strip hole, so that the lever drives the drive rod to slide back and forth through the strip plate.

[0013] Preferably, the water supply device includes a water storage tank located on one side of the wall, a pump body installed on one side of the water storage tank, an inlet pipe installed at the inlet of the pump body, and an outlet pipe installed at the outlet of the pump body. The outlet pipe is connected to the main pipeline, and the inlet pipe is inserted into the water storage tank.

[0014] By adopting the above technical solution, the water inlet pipe is inserted into the water storage tank, the water outlet pipe is connected to the main pipeline, and both the water inlet pipe and the water outlet pipe are connected to the pump body. When the pump body is started, the pump body can pump water from the water storage tank into the main pipeline, so that the atomizing nozzle can spray dust on the construction site.

[0015] Preferably, an installation ring is installed at the end of the water inlet pipe away from the pump body, and a filter screen for filtering the water is installed on the installation ring.

[0016] By adopting the above technical solution, the water inlet pipe is inserted into the water storage tank, the mounting ring is installed at the end of the water inlet pipe away from the pump body, and the filter screen is installed on the mounting ring. When the pump body pumps the water in the water storage tank into the branch pipe, the filter screen can filter the water in the water storage tank, thereby reducing the possibility that impurities mixed in the water will clog the spray holes of the atomizing nozzle.

[0017] Preferably, an annular groove is formed on the end face of the mounting ring away from the water inlet pipe, the filter screen is installed in the annular groove, the outer peripheral wall of the filter screen is clearance-fitted with the inner peripheral wall of the annular groove, a sliding groove is formed on the inner wall of the annular groove near the water inlet pipe, a control component is provided in the sliding groove, the control component includes a control block slidably disposed in the sliding groove and a first power supply fixed to one side of the water storage tank, a first fixed contact is embedded in the inner wall of the sliding groove, a first movable contact is embedded in the side of the control block that can contact the first fixed contact, a first spring is provided in the sliding groove for pushing one end of the control block out of the sliding groove, the control block abuts against the filter screen, the first fixed contact is electrically connected to one electrode of the first power supply, the other electrode of the first power supply is electrically connected to one terminal of the pump body, the other electrode of the pump body is electrically connected to the first movable contact, and a blocking component is provided on the mounting ring for preventing the filter screen from detaching from the mounting ring.

[0018] By adopting the above technical solution, the control block is slidably disposed in the sliding groove. The first fixed contact is electrically connected to one of the electrodes of the first power supply, the other electrode of the first power supply is electrically connected to one of the terminals of the pump body, and the other electrode of the pump body is electrically connected to the first moving contact. Under the thrust of the first spring, one end of the control block is located outside the sliding groove. When too much impurity accumulates on the filter screen, under the negative pressure of the pump body, the filter screen can slide in the annular groove toward the water inlet pipe, causing the filter screen to slide the control block into the sliding groove, thereby separating the first moving contact from the first fixed contact. As a result, when the filter screen is blocked, the electrical circuit of the pump body is automatically disconnected, reducing the possibility of the pump body being shut down and damaged.

[0019] Preferably, a limiting groove is formed on the inner sidewall of the sliding groove, a limiting block is fixed on the control block, and the limiting block is slidably disposed in the limiting groove.

[0020] By adopting the above technical solution, the limiting block is slidably set in the limiting groove, thereby preventing the control block from leaving the sliding groove, thus improving the stability of the control component structure.

[0021] Preferably, the control component further includes a second fixed contact embedded in the inner wall of the sliding groove, a second movable contact embedded on the side of the control block that can contact the second fixed contact, a second power supply provided on one side of the water storage tank, the second fixed contact being electrically connected to one electrode of the second power supply, the other electrode of the second power supply being electrically connected to one terminal of the motor, and the other terminal of the motor being electrically connected to the second movable contact.

[0022] By adopting the above technical solution, the second fixed contact is electrically connected to one of the electrodes of the second power supply, the other electrode of the second power supply is electrically connected to one of the terminals of the motor, and the other terminal of the motor is electrically connected to the second moving contact. When the filter screen slides the control block into the sliding groove, the second moving contact is disengaged from the filter screen, so that when the filter screen is blocked, the motor's electrical circuit is automatically disconnected, achieving the effect of energy saving.

[0023] Preferably, the control block has a snap-fit ​​groove, and the sliding groove has a connecting hole on its inner wall near the snap-fit ​​groove. A locking component is provided in the connecting hole. The locking component includes a locking rod with one end that can be inserted into the connecting hole. The locking rod is slidably disposed in the connecting hole. A strip groove is provided on the inner wall of the connecting hole. A protrusion is fixedly connected to the locking rod. The protrusion is slidably disposed in the strip groove. A second spring is provided in the strip groove for pushing the locking rod into the snap-fit ​​groove. An inclined surface is provided on the locking rod for abutting against the control block.

[0024] By adopting the above technical solution, the locking rod is slidably disposed in the connecting hole. When the control block slides into the sliding groove, the control block can abut against the inclined surface, pushing the locking rod away from the control block. When the locking rod coincides with the snap-fit ​​groove, under the elastic force of the second spring, one end of the locking rod can be inserted into the snap-fit ​​groove, thereby preventing the first moving contact piece and the first fixed contact piece, and the second moving contact piece and the second fixed contact piece from contacting each other again when the impurities on the filter screen have not been removed.

[0025] Preferably, a blocking groove is formed on the end face of the mounting ring away from the water inlet pipe. The blocking groove is connected to the inner peripheral wall of the mounting ring. A dovetail groove is formed on the side wall of the blocking groove. The blocking assembly includes a baffle slidably disposed in the blocking groove, a dovetail block slidably disposed in the dovetail groove, and a third spring disposed in the dovetail groove. The dovetail block is fixed to the baffle, and the baffle is used to abut against the filter screen.

[0026] By adopting the above technical solution, under the elastic force of the third spring, one end of the baffle is located inside the mounting ring. When the filter screen moves outward from the annular groove, the baffle can abut against the filter screen, so that the filter screen can be stably located on the mounting ring.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. A water supply device is connected to the main pipeline, and all sprinkler pipes are connected to the main pipeline. Atomizing nozzles are installed one-to-one with the sprinkler pipes at one end of the sprinkler pipes. When the water supply device is activated, the atomizing nozzles can spray water mist to reduce dust at the construction site. At the same time, the rotating base is installed on the side of the wall, the horizontal rod is installed on the vertical rotating rod, and the atomizing nozzles are installed on the horizontal rod. When the drive device drives the vertical rotating rod to rotate, the vertical rotating rod can drive the horizontal rod to swing, so that the atomizing nozzles installed on the horizontal rod can move back and forth on the wall, increasing the spraying range of the atomizing nozzles. This allows the dust suppression system to be arranged without being too close together, reducing the number of sprinkler pipes and atomizing nozzles without reducing the dust removal efficiency, thereby improving the utilization efficiency of a single nozzle.

[0029] 2. The control block is slidably disposed in the sliding groove. The first fixed contact is electrically connected to one of the electrodes of the first power supply, the other electrode of the first power supply is electrically connected to one of the terminals of the pump body, and the other electrode of the pump body is electrically connected to the first moving contact. Under the thrust of the first spring, one end of the control block is located outside the sliding groove. When too much impurity accumulates on the filter screen, under the negative pressure of the pump body, the filter screen can slide in the annular groove toward the water inlet pipe, causing the filter screen to slide the control block into the sliding groove, thereby separating the first moving contact from the first fixed contact. As a result, when the filter screen is blocked, the power circuit of the pump body is automatically disconnected, reducing the possibility of the pump body being shut down and damaged.

[0030] 3. The locking rod is slidably disposed in the connecting hole. When the control block slides into the sliding groove, the control block can abut against the inclined surface, pushing the locking rod away from the control block. When the locking rod coincides with the snap-fit ​​groove, under the elastic force of the second spring, one end of the locking rod can be inserted into the snap-fit ​​groove, thereby preventing the first moving contact piece and the first fixed contact piece, and the second moving contact piece and the second fixed contact piece from contacting each other again when the impurities on the filter screen have not been removed. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the overall structure of the dust suppression system in the embodiments of this application.

[0032] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle.

[0033] Figure 3 This is a cross-sectional view of the mounting ring in an embodiment of this application.

[0034] Figure 4 yes Figure 3 A magnified view of a section at point B.

[0035] Explanation of reference numerals in the attached figures:

[0036] 1. Rotating seat; 2. Vertical rotating rod; 21. Horizontal rod; 3. Sprinkler pipe; 4. Atomizing nozzle; 5. Main pipe; 6. Drive device; 61. Sliding seat; 62. Sliding rod; 63. Rack; 64. Half gear; 65. Reciprocating drive mechanism; 651. Electric motor; 652. Drive rod; 653. Pulley; 654. Strip plate; 6541. Strip hole; 7. Water supply device; 71. Water storage tank; 72. Pump body; 73. Inlet pipe; 74. Outlet pipe; 75. Mounting ring; 751. Annular groove; 752. Sliding groove; 753. Limiting groove; 754. Connecting hole; 75 5. Strip groove; 756. Blocking groove; 757. Dovetail groove; 76. Control component; 761. Control block; 7611. Snap-fit ​​groove; 762. First power supply; 763. First fixed contact; 764. First moving contact; 765. First spring; 766. Second power supply; 767. Second fixed contact; 768. Second moving contact; 769. Limiting block; 77. Blocking component; 771. Baffle; 772. Dovetail block; 773. Third spring; 78. Locking component; 781. Locking rod; 782. Protrusion; 783. Second spring; 79. Filter screen; 8. Enclosure. Detailed Implementation

[0037] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0038] This application discloses a dust suppression system for construction sites. (Refer to...) Figure 1 and Figure 2 As shown, the dust suppression system includes a rotating base 1, a vertical rotating rod 2, a water spray pipe 3, an atomizing nozzle 4, a main pipeline 5, a drive device 6, and a water supply device 7. Several rotating bases 1 are fixedly installed on the inner wall of the enclosure 8, and these rotating bases 1 are evenly arranged horizontally. Each vertical rotating rod 2 corresponds to one of the rotating bases 1, and is vertically rotatable on the top surface of the rotating base 1. A horizontal rod 21 is fixed to the top of each vertical rotating rod 2. The horizontal rod 21 is horizontally positioned, facing the inner side of the enclosure 8. Each atomizing nozzle 4 corresponds to one of the horizontal rods 21, and is fixedly installed at the end of the horizontal rod 21 furthest from the vertical rotating rod 2. The spray holes of the atomizing nozzle 4 face the construction site inside the enclosure 8.

[0039] Reference Figure 2 As shown, the drive device 6 includes a sliding seat 61, a sliding rod 62, a rack 63, a half gear 64, and a reciprocating drive mechanism 65. Several sliding seats 61 are fixedly installed on the top surface of the enclosure 8, and the sliding seats 61 are distributed at intervals with the rotating seat 1. The sliding rods 62 pass horizontally through the sliding seats 61 and are slidably mounted on the sliding seats 61.

[0040] Reference Figure 2As shown, rack 63 is welded and fixed to the side of sliding rod 62 near atomizing nozzle 4, and rack 63 corresponds one-to-one with vertical rotating rod 2. Half gear 64 corresponds one-to-one with vertical rotating rod 2, and half gear 64 is welded and fixed to vertical rotating rod 2. Half gear 64 is located on the side of vertical rotating rod 2 away from atomizing nozzle 4, and rack 63 meshes with half gear 64.

[0041] Reference Figure 2 As shown, the reciprocating drive mechanism 65 includes a motor 651, a drive rod 652, a lever 653, and a strip plate 654. The motor 651 is fixed to the wall 8, the drive rod 652 is fixedly connected to the output shaft of the motor 651, and the strip plate 654 is fixedly connected to the end face of the sliding rod 62. The strip plate 654 is horizontally arranged, and its length direction is perpendicular to the length direction of the drive rod 652. A strip hole 6541 is opened on the top surface of the strip plate 654, and the length direction of the strip hole 6541 is perpendicular to the length direction of the sliding rod 62. A lever 653 is vertically fixed on the drive rod 652. The lever 653 is inserted into the strip hole 6541, and its top end face is located below the top surface of the strip plate 654. The lever 653 is slidably arranged in the strip hole 6541.

[0042] Reference Figure 1 and Figure 3 As shown, the water supply device 7 includes a water storage tank 71, a pump body 72, an inlet pipe 73, an outlet pipe 74, a mounting ring 75, a control component 76, a blocking component 77, a locking component 78, and a filter screen 79. The water storage tank 71 is located inside the enclosure wall 8. The pump body 72 is fixedly installed on one side of the water storage tank 71. The inlet pipe 73 is installed at the inlet of the pump body 72, with one end of the inlet pipe 73, away from the pump body 72, inserted into the water storage tank 71. The outlet pipe 74 is installed at the outlet of the pump body 72 and is connected to the main pipeline 5.

[0043] Reference Figure 3 and Figure 4 As shown, the mounting ring 75 is fixedly connected to the end face of the inlet pipe 73 away from the pump body 72. An annular groove 751 is formed on the end face of the mounting ring 75 away from the inlet pipe 73. The filter screen 79 is installed in the annular groove 751, with a clearance fit between the outer peripheral wall of the filter screen 79 and the inner peripheral wall of the annular groove 751. The outer edge of the filter screen 79 is rounded. A sliding groove 752 is formed on the inner wall of the annular groove 751 near the inlet pipe 73.

[0044] Reference Figure 1 and Figure 4As shown, the control component 76 is disposed within the sliding groove 752. The control component 76 includes a control block 761, a first power supply 762, a first fixed contact 763, a first movable contact 764, a first spring 765, a second power supply 766, a second fixed contact 767, a second movable contact 768, and a limiting block 769. The control block 761 is slidably disposed within the sliding groove 752. A limiting groove 753 is formed on the inner side wall of the sliding groove 752. The limiting block 769 is fixedly mounted on the control block 761 and slidably disposed within the limiting groove 753. The first power supply 762 is fixedly installed on one side of the water storage tank 71. The first fixed contact 763 is embedded in the inner wall of the sliding groove 752, and the first movable contact 764 is embedded in the side of the control block 761.

[0045] Reference Figure 4 As shown, the first spring 765 is disposed within the sliding groove 752. One end of the first spring 765 abuts against the end wall of the sliding groove 752 near the water inlet pipe 73, and the other end of the first spring 765 abuts against the control block 761. Under the elastic force of the first spring 765, the first movable contact 764 and the first fixed contact 763 are in contact. At this time, one end of the control block 761 is located outside the sliding groove 752, and the control block 761 abuts against the filter screen 79.

[0046] Reference Figure 1 and Figure 4 As shown, the first fixed contact 763 is electrically connected to one of the electrodes of the first power supply 762, the other electrode of the first power supply 762 is electrically connected to one of the terminals of the pump body 72, and the other electrode of the pump body 72 is electrically connected to the first moving contact 764.

[0047] Reference Figure 1 and Figure 4 As shown, the second fixed contact 767 is embedded in the inner wall of the sliding groove 752 away from the first fixed contact 763, and the second movable contact 768 is embedded in the side of the control block 761 away from the first movable contact 764. The second power supply 766 is located on one side of the water storage tank 71. The second fixed contact 767 is electrically connected to one electrode of the second power supply 766, the other electrode of the second power supply 766 is electrically connected to one terminal of the motor 651, and the other terminal of the motor 651 is electrically connected to the second movable contact 768. When the control block 761 slides into the sliding groove 752, the second movable contact 768 disengages from the second fixed contact 767.

[0048] Reference Figure 4As shown, the control block 761 has a snap-fit ​​groove 7611, and the sliding groove 752 has a connecting hole 754 on its inner wall near the snap-fit ​​groove 7611. The locking component 78 is disposed in the connecting hole 754. The locking component 78 includes a locking rod 781, a protrusion 782, and a second spring 783. The locking rod 781 is slidably disposed in the connecting hole 754, and a strip groove 755 is formed on the inner wall of the connecting hole 754. The length direction of the strip groove 755 is parallel to the opening direction of the connecting hole 754.

[0049] Reference Figure 4 As shown, the protrusion 782 is welded and fixed to the locking rod 781, and the protrusion 782 is slidably disposed within the strip groove 755. The second spring 783 is disposed within the strip groove 755, with one end abutting against the side wall of the protrusion 782 away from the sliding groove 752, and the other end abutting against the end wall of the strip groove 755 away from the strip groove 755. The locking rod 781 has an inclined surface. The control block 761 has a snap-fit ​​groove 7611 on its side near the connecting hole 754.

[0050] Reference Figure 4 As shown, when the control block 761 slides into the sliding groove 752, the control block 761 can abut against the inclined surface. As the control block 761 continues to slide into the sliding groove 752, the control block 761 can push the locking rod 781 away from the control block 761. When the locking rod 781 coincides with the locking groove 7611, under the elastic force of the second spring 783, one end of the locking rod 781 can be inserted into the locking groove 7611, preventing the control block 761 from sliding out of the sliding groove 752.

[0051] Reference Figure 4 As shown, two blocking grooves 756 are provided on the end face of the mounting ring 75 away from the water inlet pipe 73. The two blocking grooves 756 are symmetrically arranged on the mounting ring 75. The two ends of the blocking grooves 756 are connected to the inner peripheral wall and the outer peripheral surface of the mounting ring 75, respectively. A dovetail groove 757 is provided on the side wall of the blocking groove 756 near the water inlet pipe 73. The length direction of the dovetail groove 757 is parallel to the length direction of the blocking groove 756.

[0052] Reference Figure 4As shown, the blocking assembly 77 is disposed within the blocking groove 756. The blocking assembly 77 includes a baffle 771, a dovetail block 772, and a third spring 773. The baffle 771 is slidably disposed within the blocking groove 756, and the dovetail block 772 is slidably disposed within the dovetail groove 757. The dovetail block 772 is fixedly connected to the side of the baffle 771 near the water inlet pipe 73. The third spring 773 is disposed within the dovetail groove 757. One end of the third spring 773 abuts against the side of the dovetail block 772 away from the annular groove 751, and the other end of the third spring 773 abuts against the side of the dovetail groove 757 away from the annular groove 751. Under the elastic force of the third spring 773, one end of the baffle 771 is located inside the mounting ring 75. When the filter screen 79 moves outward from the mounting ring 75, the baffle 771 can abut against the filter screen 79.

[0053] The implementation principle of a construction site dust suppression system according to an embodiment of this application is as follows: When the motor 651 starts, the output shaft of the motor 651 drives the drive rod 652 to rotate, thereby causing the drive rod 652 to drive the lever 653 to slide within the strip hole 6541. The lever 653 drives the drive rod 652 to slide back and forth through the strip plate 654. The rack 63 on the sliding rod 62 can drive the half gear 64 to rotate, thereby driving the vertical rotating rod 2 to rotate, which increases the spraying range of a single atomizing nozzle 4. This allows the dust suppression system to reduce the number of water pipes 3 and atomizing nozzles 4 without reducing dust removal efficiency, thereby improving the utilization efficiency of a single atomizing nozzle 4.

[0054] When excessive impurities accumulate on the filter screen 79, under the negative pressure of the pump body 72, the filter screen 79 can slide towards the inlet pipe 73 within the annular groove 751. When the control block 761 slides into the sliding groove 752, the control block 761 can abut against the inclined surface, pushing the locking rod 781 away from the control block 761. When the locking rod 781 coincides with the locking groove 7611, under the elastic force of the second spring 783, one end of the locking rod 781 can be inserted into the locking groove 7611, thereby preventing the first moving contact 764 and the first fixed contact 763, and the second moving contact 768 and the second fixed contact 767 from contacting each other again before the impurities on the filter screen 79 are removed. This causes the electrical circuit of the motor 651 and the pump body 72 to automatically disconnect when the filter screen 79 is clogged, achieving an energy-saving effect.

[0055] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A construction site dust suppression system comprising a sprinkler pipe (3) arranged on a construction site fence (8) and an atomizing spray head (4) mounted at one end of the sprinkler pipe (3), characterized in that: The fence (8) is fixed with a plurality of rotating seats (1), vertical rotating rods (2) are arranged on the rotating seats (1), horizontal rods (21) are arranged on the vertical rotating rods (2), a plurality of atomizing nozzles (4) are arranged on the horizontal rods (21), a main pipeline (5) is transversely arranged on the rotating seat (1), the water spraying pipes (3) are soft pipes and correspond to the atomizing nozzles (4) one by one, the water spraying pipes (3) are communicated with the main pipeline (5), a water supply device (7) is communicated with the main pipeline (5), and the fence (8) is provided with a driving device (6) for driving the vertical rotating rods (2) to reciprocating rotate; The driving device (6) comprises a sliding seat (61) fixed on the fence (8), a sliding rod (62) penetrating through the sliding seat (61) and a rack (63) fixed on the sliding rod (62), the sliding rod (62) is slidingly arranged on the sliding seat (61), each vertical rotating rod (2) is fixed with a half gear (64) on the side close to the sliding rod (62), the rack (63) corresponds to the half gear (64), the rack (63) is engaged with the half gear (64), and the driving device (6) further comprises a reciprocating driving mechanism (65) for driving the sliding rod (62) to reciprocate; The reciprocating driving mechanism (65) comprises a motor (651) fixed on the fence (8), a driving rod (652) is fixed on the output shaft of the motor (651), a strip-shaped plate (654) is fixed on the sliding rod (62), a strip-shaped hole (6541) is formed in the top surface of the strip-shaped plate (654), the length direction of the strip-shaped hole (6541) intersects the length direction of the sliding rod (62), a push rod (653) is fixed on the driving rod (652), the push rod (653) is inserted into the strip-shaped hole (6541), and the push rod (653) is slidingly arranged in the strip-shaped hole (6541); The water supply device (7) comprises a water storage tank (71) arranged on one side of the fence (8), a pump body (72) arranged on one side of the water storage tank (71), a water inlet pipe (73) arranged on the water inlet of the pump body (72) and a water outlet pipe (74) arranged on the water outlet of the pump body (72), the water outlet pipe (74) is communicated with the main pipeline (5), and the water inlet pipe (73) is inserted into the water storage tank (71); An installation ring (75) is arranged on the end of the water inlet pipe (73) away from the pump body (72), and a filter screen (79) for filtering water is arranged on the installation ring (75). The mounting ring (75) is provided with an annular groove (751) on the end face away from the water inlet pipe (73), the filter screen (79) is installed in the annular groove (751), the outer peripheral wall of the filter screen (79) is in gap cooperation with the inner peripheral wall of the annular groove (751), the annular groove (751) is provided with a sliding groove (752) on the inner wall close to the water inlet pipe (73), the sliding groove (752) is provided with a control assembly (76), the control assembly (76) comprises a control block (761) slidingly arranged in the sliding groove (752) and a first power supply (762) fixed to one side of the water storage pool (71), a first fixed contact (763) is embedded on the inner wall of the sliding groove (752), a first movable contact (764) capable of being in contact with the first fixed contact (763) is embedded on the side surface of the control block (761), the sliding groove (752) is provided with a first spring (765) for pushing one end of the control block (761) out of the sliding groove (752), the control block (761) is in abutment with the filter screen (79), the first fixed contact (763) is electrically connected with one electrode of the first power supply (762), the other electrode of the first power supply (762) is electrically connected with one terminal post of the pump body (72), the other terminal post of the pump body (72) is electrically connected with the first movable contact (764), the mounting ring (75) is provided with a blocking assembly (77) for preventing the filter screen (79) from being separated from the mounting ring (75).

2. A construction site dust suppression system according to claim 1, characterised in that: The inner side wall of the sliding groove (752) is provided with a limiting groove (753), the control block (761) is fixed with a limiting block (769), and the limiting block (769) is slidingly arranged in the limiting groove (753).

3. A construction site dust suppression system according to claim 1, characterised in that: The control assembly (76) further comprises a second fixed contact (767) embedded on the inner wall of the sliding groove (752), a second movable contact (768) capable of being in contact with the second fixed contact (767) is embedded on the side surface of the control block (761), and a second power supply (766) is arranged on one side of the water storage pool (71); the second fixed contact (767) is electrically connected with one electrode of the second power supply (766), the other electrode of the second power supply (766) is electrically connected with one terminal post of the motor (651), and the other terminal post of the motor (651) is electrically connected with the second movable contact (768).

4. A construction site dust suppression system according to claim 3, characterised in that: The control block (761) is provided with a clamping groove (7611), the sliding groove (752) is provided with a communication hole (754) on the inner wall close to the clamping groove (7611), the communication hole (754) is provided with a locking assembly (78), the locking assembly (78) comprises a locking rod (781) which can be inserted into the communication hole (754), the locking rod (781) is slidably arranged in the communication hole (754), the inner wall of the communication hole (754) is provided with a strip-shaped groove (755), the locking rod (781) is fixedly connected with a lug (782), the lug (782) is slidably arranged in the strip-shaped groove (755), the strip-shaped groove (755) is provided with a second spring (783) for pushing the locking rod (781) into the clamping groove (7611), and the locking rod (781) is provided with an inclined surface for abutting the control block (761).

5. A construction site dust suppression system according to claim 1, characterised in that: The mounting ring (75) is provided with a blocking sliding groove (756) away from the end face of the water inlet pipe (73), the blocking sliding groove (756) is communicated with the inner wall of the mounting ring (75), the side wall of the blocking sliding groove (756) is provided with a dovetail groove (757), the blocking assembly (77) comprises a baffle (771) slidably arranged in the blocking sliding groove (756), a dovetail block (772) slidably arranged in the dovetail groove (757) and a third spring (773) arranged in the dovetail groove (757), the dovetail block (772) is fixed with the baffle (771), and the baffle (771) is used for abutting the filter screen (79).

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