Split type dust falling device

Abstract

The invention discloses a split type dust falling device which comprises a split type positioning spraying structure, a height adjusting structure is arranged in the split type positioning spraying structure, a telescopic locking structure is arranged in the split type positioning spraying structure, and the split type positioning spraying structure comprises an L-shaped first positioning frame connected to a wall plate in a clamped mode. The surface of the L-shaped first positioning frame is fixedly connected with a middle shaft, and the two ends of the middle shaft are connected with overturning locking frames in a hinged mode. According to the split type dust falling device, by arranging a split type positioning spraying structure, when the device is installed, an L-shaped first positioning frame is matched with an overturning locking frame to be fixed to one end of a wall face, meanwhile, an L-shaped second positioning frame and an arc-shaped guide frame are connected to the wall face in a clamped mode, the L-shaped second positioning frame is pushed to slide on the wall face so that a spraying pipe can be stretched, and dust falling can be achieved; compared with an original device, the device has the advantages of being small in size, high in installation speed and small in influence of the external environment.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a split dust suppression device. Background Art

[0002] Air pollution, also known as atmospheric pollution, is defined by the International Organization for Standardization (ISO) as the phenomenon in which certain substances enter the atmosphere due to human activities or natural processes, appear in sufficient concentrations, reach sufficient time, and thus endanger human comfort, health and welfare or the environment.

[0003] For example, a split dust suppression device for engineering construction disclosed in Chinese patent publication number (CN111001243B) records: "It includes a left longitudinal mounting pipe, a right longitudinal mounting pipe and an external water supply pipe connected to the tap water pipe, and the upper ends of the left longitudinal mounting pipe and the right longitudinal mounting pipe are axially fixedly connected with a lower mounting plate. A split dust suppression device for engineering construction of the present invention is composed of a left longitudinal mounting pipe, a right longitudinal mounting pipe, an external water supply pipe, a dustproof net and a top water outlet pipe, and a top water outlet pipe winding device composed of a lower mounting plate, a top winding pipe and an upper mounting plate is fixed on the top of the longitudinal mounting pipe, and a lateral storage groove is opened on the side wall of the longitudinal mounting pipe. People can quickly install and deploy it in areas where dust suppression is required as needed, and the external threaded connecting pipe on the longitudinal mounting pipe can increase or decrease the laying quantity and range of the device as needed, so that its scope of application is wider, and it is very simple and convenient to store and carry."

[0004] In summary, the device also has the following technical problems: the above-mentioned device installs a dust removal device on the upper end of the protective net at the same time as the protective net is installed, and dust reduction is achieved by spraying. However, due to different construction scenarios and application scenarios, some projects require laying dust reduction spray pipes on the completed protective wall. If this device is used, it will lead to repeated construction. At the same time, the overall size of the above-mentioned device is large, and multiple people are required to operate and install it synchronously during installation. For this reason, it is necessary to propose a split dust reduction device to provide a new technical solution to solve the technical problems mentioned in the above patent. Summary of the Invention

[0005] Based on this, it is necessary to provide a split dust reduction device to address the above technical problems. By setting up a split positioning spray structure, the L-shaped first positioning frame is fixed to one end of the wall in conjunction with the flip locking frame when the device is installed, and the L-shaped second positioning frame and the arc-shaped guide frame are clamped to the wall. By pushing the L-shaped second positioning frame to slide on the wall to extend it to the spray pipe, the dust reduction device can be quickly installed. Compared with the original device, this device has the advantages of small size, fast installation speed and little influence from the external environment.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A split dust suppression device is used for dust removal in building construction.

[0008] The split dust suppression device specifically includes a split positioning spray structure, a height adjustment structure is provided inside the split positioning spray structure, and a telescopic locking structure is provided inside the split positioning spray structure;

[0009] The split type positioning spray structure includes an L-shaped first positioning frame clamped on the wall panel, the surface of the L-shaped first positioning frame is fixedly connected to a central axis, and both ends of the central axis are hingedly connected to flip locking frames.

[0010] As a preferred embodiment of the split dust reduction device provided by the present invention, a first longitudinal guide groove is opened on the side of the L-shaped first positioning frame, and the interior of the L-shaped first positioning frame is slidably connected to a lifting support plate, and the side of the lifting support plate is fixedly connected to a first longitudinal guide pulley, and the first longitudinal guide pulley is slidably connected to the inner wall of the first longitudinal guide groove, and the top surface of the lifting support plate is fixedly connected to a positioning seat.

[0011] As a preferred embodiment of the split dust reduction device provided by the present invention, the split positioning spray structure includes an L-shaped second positioning frame clamped on the wall panel, the interior of the L-shaped second positioning frame is fixedly connected to a top block, the top surface of the L-shaped second positioning frame is fixedly connected to a first top protective plate, the side of the L-shaped second positioning frame is provided with a transverse guide groove, the interior of the L-shaped second positioning frame is slidingly connected to an L-shaped clamping frame, the top surface of the L-shaped clamping frame is fixedly connected to the second top protective plate, a return spring is provided inside the second top protective plate, the two ends of the return spring are respectively fixedly connected to the top block and the L-shaped clamping frame, the two sides of the L-shaped clamping frame are fixedly connected to transverse guide frames, and the transverse guide frames are slidably connected to the inner wall of the transverse guide groove.

[0012] As a preferred embodiment of the split dust reduction device provided by the present invention, the L-shaped clamping frame is fixedly connected to a connecting frame at one end away from the L-shaped second positioning frame, the bottom surface of the connecting frame is fixedly connected to an arc-shaped guide frame, the internal rotation of the connecting frame is connected to a rotating shaft, the surface of the rotating shaft is symmetrically fixedly connected to a pulley, and the side of the arc-shaped guide frame close to the L-shaped second positioning frame is an arc surface.

[0013] As a preferred embodiment of the split dust suppression device provided by the present invention, the interior of the L-shaped second positioning frame is slidably connected to a U-shaped storage frame, the interior of the U-shaped storage frame is fixedly connected to a rotating shaft, the surface of the rotating shaft is rotatably connected to a winch, the interior of the winch accommodates a spray pipe, the end of the spray pipe away from the winch passes through the middle of the positioning seat, the end of the spray pipe away from the winch is fixedly connected to a water inlet connector, and the surface of the spray pipe is fixedly connected to a plurality of nozzles.

[0014] As a preferred embodiment of the split dust reduction device provided by the present invention, the surface of the rotating shaft is fixedly connected to a ratchet, the interior of the connecting frame is rotatably connected to a flip rod, the bottom end of the flip rod is fixedly connected to a ratchet, the ratchet is engaged with the inside of the ratchet, the surface of the flip rod is sleeved with a torsion spring, the two ends of the torsion spring are respectively fixedly connected to the ratchet and the connecting frame, the end of the flip rod away from the ratchet is fixedly connected to a turntable, and the turntable is rotatably set on the surface of the connecting frame.

[0015] As a preferred embodiment of the split dust reduction device provided by the present invention, the internal thread is connected to a first threaded rod, the first threaded rod is threadedly connected to the lifting support plate, the bottom end of the first threaded rod is fixedly connected to a first knob, the surface of the L-shaped second positioning frame is longitudinally provided with a second longitudinal guide groove, and the two sides of the U-shaped storage rack are fixedly connected with a fixed seat, the fixed seat is slidably set on the surface of the second longitudinal guide groove, the internal thread of the L-shaped second positioning frame is connected to a second threaded rod, the bottom end of the second threaded rod is fixedly connected to the second knob, and the second threaded rod is threadedly connected to the U-shaped storage rack.

[0016] As a preferred embodiment of the split dust reduction device provided by the present invention, a second longitudinal guide groove is longitudinally opened on the surface of the L-shaped second positioning frame, and fixed seats are fixedly connected on both sides of the U-shaped storage frame. The fixed seats are slidably set on the surface of the second longitudinal guide groove, and the internal thread of the L-shaped second positioning frame is connected to the second threaded rod, and the bottom end of the second threaded rod is fixedly connected to the second knob, and the second threaded rod is threadedly connected to the U-shaped storage rack.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The split dust reduction device provided by the present invention is equipped with a split positioning spray structure. When the device is installed, the L-shaped first positioning frame is fixed to one end of the wall in conjunction with the flip locking frame, and the L-shaped second positioning frame and the arc-shaped guide frame are clamped to the wall. By pushing the L-shaped second positioning frame to slide on the wall to extend it to the spray pipe, the dust reduction device can be quickly installed. Compared with the original device, this device has the advantages of small size, fast installation speed and little influence from the external environment.

[0019] The split dust suppression device provided by the present invention is equipped with a height adjustment structure. By rotating the first threaded rod and the second threaded rod to drive the U-shaped storage rack and the lifting support plate to move up and down, the height of the water pipe installed between the L-shaped second positioning rack and the L-shaped first positioning rack can be adjusted, thereby quickly adjusting the spray height of the spray device.

[0020] The split dust suppression device provided by the present invention is equipped with a telescopic locking structure. When the spray pipe is released, the pulley drives the ratchet to rotate. Since the ratchet and the ratchet teeth are unidirectionally engaged, the spray pipe can avoid the problem of retreating when released, and the middle spray pipe can always be kept in a relatively horizontal state. When disassembling, the turntable is rotated to drive the flip rod to separate the ratchet teeth and the ratchet wheel, thereby realizing the rapid storage and disassembly of the entire spray device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the solutions in the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0022] Figure 1 A schematic diagram of the overall structure of the split dust suppression device provided by the present invention;

[0023] Figure 2 A schematic structural diagram of a split-type positioning spray structure of a split-type dust suppression device provided by the present invention;

[0024] Figure 3 A schematic structural diagram of a split-type positioning spray structure of a split-type dust suppression device provided by the present invention;

[0025] Figure 4 A schematic plan view of the split-type positioning spray structure of the split-type dust suppression device provided by the present invention;

[0026] Figure 5 The split dust suppression device provided by the present invention Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle;

[0027] Figure 6 A schematic diagram of the internal structure of the split-type positioning spray structure of the split-type dust suppression device provided by the present invention;

[0028] Figure 7 A schematic diagram of the internal structure of the L-shaped clamping frame of the split dust suppression device provided by the present invention;

[0029] Figure 8 The split dust suppression device provided by the present invention Figure 7Schematic diagram of the enlarged structure at point A in the middle.

[0030] The markings in the figure are as follows:

[0031] 1. Split positioning spray structure; 2. Height adjustment structure; 3. Telescopic locking structure; 4. L-shaped first positioning frame; 5. Central axis; 6. Flip locking frame; 7. First longitudinal guide groove; 8. Lifting support plate; 9. First longitudinal guide pulley; 10. Positioning seat; 11. L-shaped second positioning frame; 12. Top block; 13. First top protection plate; 14. Horizontal guide groove; 15. L-shaped clamping frame; 16. Connecting frame; 17. Arc guide frame; 18. Second top protection plate Guard plate; 19. Horizontal guide frame; 20. Return spring; 21. Rotating shaft; 22. Pulley; 23. U-shaped storage rack; 24. Rotating shaft; 25. Winch; 26. Spray pipe; 27. Water inlet connector; 28. Spray head; 29. Ratchet; 30. Flip lever; 31. Ratchet; 32. Torsion spring; 33. Turntable; 34. First knob; 35. First threaded rod; 36. Second longitudinal guide groove; 37. Fixed seat; 38. Second threaded rod; 39. Second knob. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0033] As described in the background technology, the above-mentioned device simultaneously installs a dust removal device on the upper end of a protective net while setting up the protective net, and achieves dust reduction through spraying. However, due to different construction scenarios and application scenarios, some projects require laying dust reduction spray pipes on the erected protective wall. If this device is used, it will lead to repeated construction. At the same time, the overall size of the above-mentioned device is large, and multiple people are required to operate and install it synchronously during installation.

[0034] In order to solve this technical problem, the present invention provides a split dust suppression device, which is used for dust removal in construction.

[0035] Specifically, please refer to Figure 1-Figure 3 The split dust suppression device specifically includes a split positioning spray structure 1, a height adjustment structure 2 is provided inside the split positioning spray structure 1, and a telescopic locking structure 3 is provided inside the split positioning spray structure 1;

[0036] The split type positioning spray structure 1 comprises an L-shaped first positioning frame 4 clamped on the wall panel, a central axis 5 is fixedly connected to the surface of the L-shaped first positioning frame 4, and both ends of the central axis 5 are hingedly connected to flip locking frames 6.

[0037] The split dust reduction device provided by the present invention is provided with a split positioning spray structure 1. When the device is installed, the L-shaped first positioning frame 4 is fixed to one end of the wall in conjunction with the flip locking frame 6, and the L-shaped second positioning frame 11 and the arc-shaped guide frame 17 are clamped to the wall. By pushing the L-shaped second positioning frame 11 to slide on the wall to extend it to the spray pipe 26, the dust reduction device can be quickly installed. Compared with the original device, this device has the advantages of small size, fast installation speed and little influence from the external environment.

[0038] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0039] Example 1:

[0040] Please refer to Figure 2-Figure 8 A split dust suppression device includes a split positioning spray structure 1, a height adjustment structure 2 is provided inside the split positioning spray structure 1, and a telescopic locking structure 3 is provided inside the split positioning spray structure 1;

[0041] The split type positioning spray structure 1 comprises an L-shaped first positioning frame 4 clamped on the wall panel, a central axis 5 is fixedly connected to the surface of the L-shaped first positioning frame 4, and both ends of the central axis 5 are hingedly connected to flip locking frames 6.

[0042] Specifically, a first longitudinal guide groove 7 is opened on the side of the L-shaped first positioning frame 4, and a lifting support plate 8 is slidably connected to the inside of the L-shaped first positioning frame 4. The side of the lifting support plate 8 is fixedly connected to a first longitudinal guide pulley 9, and the first longitudinal guide pulley 9 is slidably connected to the inner wall of the first longitudinal guide groove 7. The top surface of the lifting support plate 8 is fixedly connected to a positioning seat 10.

[0043] Specifically, the split positioning spray structure 1 includes an L-shaped second positioning frame 11 clamped on the wall panel, the interior of the L-shaped second positioning frame 11 is fixedly connected to a top block 12, the top surface of the L-shaped second positioning frame 11 is fixedly connected to a first top protective plate 13, and a transverse guide groove 14 is provided on the side of the L-shaped second positioning frame 11. The interior of the L-shaped second positioning frame 11 is slidably connected to an L-shaped clamping frame 15, the top surface of the L-shaped clamping frame 15 is fixedly connected to a second top protective plate 18, and a return spring 20 is provided inside the second top protective plate 18. The two ends of the return spring 20 are respectively fixedly connected to the top block 12 and the L-shaped clamping frame 15, and the two sides of the L-shaped clamping frame 15 are fixedly connected to transverse guide frames 19, which are slidably connected to the inner wall of the transverse guide groove 14.

[0044] Specifically, the end of the L-shaped clamping frame 15 away from the L-shaped second positioning frame 11 is fixedly connected to the connecting frame 16, the bottom surface of the connecting frame 16 is fixedly connected to the arc-shaped guide frame 17, the internal rotation of the connecting frame 16 is connected to the rotating shaft 21, the surface of the rotating shaft 21 is symmetrically fixedly connected to the pulley 22, and the side of the arc-shaped guide frame 17 close to the L-shaped second positioning frame 11 is an arc surface.

[0045] Specifically, the interior of the L-shaped second positioning frame 11 is slidingly connected to a U-shaped storage rack 23, the interior of the U-shaped storage rack 23 is fixedly connected to a rotating shaft 24, the surface of the rotating shaft 24 is rotatably connected to a winch 25, and the interior of the winch 25 accommodates a spray pipe 26, and the end of the spray pipe 26 away from the winch 25 passes through the middle of the positioning seat 10, and the end of the spray pipe 26 away from the winch 25 is fixedly connected to a water inlet connector 27, and the surface of the spray pipe 26 is fixedly connected to a plurality of nozzles 28.

[0046] With the above structural design, when the device is used, the short end of the L-shaped first positioning frame 4 is first mounted on the top surface of the wall. After completion, the flip locking frame 6 is flipped downward with the central axis 5 as the axis so that the L-shaped first positioning frame 4 cooperates with the flip locking frame 6 to complete the locking of the wall.

[0047] The short end of the L-shaped second positioning frame 11 is mounted on the top surface of the wall. After completion, the L-shaped second positioning frame 11 is pressed downward. At this time, the arc surface of the arc-shaped guide frame 17 contacts the outer edge of the wall top surface and drives the L-shaped clamping frame 15 to slide outward inside the top block 12 through the connecting frame 16. While the transverse guide groove 14 slides, the top block 12 stretches the return spring 20 so that the L-shaped second positioning frame 11 and the L-shaped clamping frame 15 are clamped on the wall. At the same time, the pulley 22 contacts the wall.

[0048] After completion, push the L-shaped second positioning frame 11 to slide on the upper part of the wall. The pulley 22 slides and drives the winch 25 to rotate. The winch 25 rotates and slowly releases the internal spray pipe 26. The spray pipe 26 is released and the laying is completed. When the pulley 22 cooperates with the L-shaped second positioning frame 11 to move to the appropriate position, it is finished.

[0049] The water inlet connector 27 at one end of the spray pipe 26 is connected to an external water pipe. The external water pipe transports water to the interior of the spray pipe 26 through the water inlet connector 27 and sprays water through the nozzle 28 to achieve atomization.

[0050] Example 2:

[0051] The split dust suppression device provided in Example 1 is further optimized. Specifically, Figure 8As shown, the surface of the rotating shaft 21 is fixedly connected to a ratchet 29, the interior of the connecting frame 16 is rotatably connected to a flip rod 30, the bottom end of the flip rod 30 is fixedly connected to a ratchet 31, the ratchet 31 is clamped in the interior of the ratchet 29, the surface of the flip rod 30 is sleeved with a torsion spring 32, the two ends of the torsion spring 32 are respectively fixedly connected to the ratchet 31 and the connecting frame 16, the end of the flip rod 30 away from the ratchet 31 is fixedly connected to a turntable 33, and the turntable 33 is rotatably set on the surface of the connecting frame 16.

[0052] Through the above-mentioned structural design, the pulley 22 rotates while driving the internal ratchet 29 to rotate, and the rotation of the ratchet 29 drives the ratchet 31. Since the ratchet 31 and the ratchet 29 are engaged, the ratchet 29 can only rotate in one direction. If the water pipe needs to be stored, just rotate the turntable 33. The rotation of the telescopic locking structure 3 drives the flip rod 30 to rotate at the same time. The flip rod 30 drives the ratchet 31 to rotate and separate from the ratchet 29. At this time, the spray pipe 26 can be stored by pushing the L-shaped second positioning frame 11 toward the L-shaped first positioning frame 4 and rotating the winch 25.

[0053] Example 3:

[0054] The split dust suppression device provided in Example 1 and Example 2 is further optimized. Specifically, Figure 2-Figure 6 As shown, the internal thread of the first threaded rod 35 is connected to the lifting support plate 8 through a thread, and the bottom end of the first threaded rod 35 is fixedly connected to the first knob 34.

[0055] Specifically, a second longitudinal guide groove 36 is longitudinally opened on the surface of the L-shaped second positioning frame 11, and a fixing seat 37 is fixedly connected to both sides of the U-shaped storage rack 23. The fixing seat 37 is slidably set on the surface of the second longitudinal guide groove 36. The internal thread of the L-shaped second positioning frame 11 is connected to the second threaded rod 38, and the bottom end of the second threaded rod 38 is fixedly connected to the second knob 39. The second threaded rod 38 is threadedly connected to the U-shaped storage rack 23.

[0056] With the above structural design, when the height of the water pipe needs to be adjusted, the first knob 34 is rotated to drive the first threaded rod 35 to rotate inside the L-shaped second positioning frame 11, thereby driving the lifting support plate 8 and the first longitudinal guide pulley 9 to slide upward or downward along the first longitudinal guide groove 7 and the inside of the L-shaped first positioning frame 4, respectively, thereby achieving the height adjustment of one end of the water pipe;

[0057] After completion, by rotating the second knob 39 to drive the second threaded rod 38 to rotate, the U-shaped storage rack 23 and the fixing seat 37 can slide inside the second longitudinal guide groove 36 and the L-shaped second positioning frame 11 until the two ends of the spray pipe 26 are flush, thereby completing the height adjustment of the two ends of the spray pipe 26.

Claims

1. A split dust suppression device, characterized in that; It comprises a split-type positioning spray structure (1), wherein a height adjustment structure (2) is provided inside the split-type positioning spray structure (1), and a telescopic locking structure (3) is provided inside the split-type positioning spray structure (1); The split-type positioning spray structure (1) comprises an L-shaped first positioning frame (4) clamped on a wall panel, a central axis (5) is fixedly connected to the surface of the L-shaped first positioning frame (4), and both ends of the central axis (5) are hingedly connected to flip locking frames (6).

2. The split dust suppression device according to claim 1, characterized in that: A first longitudinal guide groove (7) is provided on the side of the L-shaped first positioning frame (4); a lifting support plate (8) is slidably connected to the inside of the L-shaped first positioning frame (4); a first longitudinal guide pulley (9) is fixedly connected to the side of the lifting support plate (8); the first longitudinal guide pulley (9) is slidably connected to the inner wall of the first longitudinal guide groove (7); and a positioning seat (10) is fixedly connected to the top surface of the lifting support plate (8).

3. The split dust suppression device according to claim 2, characterized in that: The split type positioning spray structure (1) comprises an L-shaped second positioning frame (11) clamped on the wall panel, the interior of the L-shaped second positioning frame (11) is fixedly connected to a top block (12), the top surface of the L-shaped second positioning frame (11) is fixedly connected to a first top protective plate (13), a side surface of the L-shaped second positioning frame (11) is provided with a transverse guide groove (14), the interior of the L-shaped second positioning frame (11) is slidably connected to an L-shaped clamping frame (15), the top surface of the L-shaped clamping frame (15) is fixedly connected to a second top protective plate (18), a return spring (20) is provided inside the second top protective plate (18), the two ends of the return spring (20) are fixedly connected to the top block (12) and the L-shaped clamping frame (15) respectively, and the two sides of the L-shaped clamping frame (15) are fixedly connected to transverse guide frames (19), and the transverse guide frames (19) are slidably connected to the inner wall of the transverse guide groove (14).

4. The split dust suppression device according to claim 3, characterized in that: The end of the L-shaped clamping frame (15) away from the L-shaped second positioning frame (11) is fixedly connected to a connecting frame (16), the bottom surface of the connecting frame (16) is fixedly connected to an arc-shaped guide frame (17), the interior of the connecting frame (16) is rotatably connected to a rotating shaft (21), the surface of the rotating shaft (21) is symmetrically fixedly connected to a pulley (22), and the side of the arc-shaped guide frame (17) close to the L-shaped second positioning frame (11) is an arc surface.

5. The split dust suppression device according to claim 4, characterized in that: The interior of the L-shaped second positioning frame (11) is slidably connected to a U-shaped storage frame (23), the interior of the U-shaped storage frame (23) is fixedly connected to a rotating shaft (24), the surface of the rotating shaft (24) is rotatably connected to a winch (25), the interior of the winch (25) is provided with a spray pipe (26), the end of the spray pipe (26) away from the winch (25) passes through the middle of the positioning seat (10), the end of the spray pipe (26) away from the winch (25) is fixedly connected to a water inlet connector (27), and the surface of the spray pipe (26) is fixedly connected to a plurality of spray heads (28).

6. The split dust suppression device according to claim 5, characterized in that: The surface of the rotating shaft (21) is fixedly connected with a ratchet (29), the interior of the connecting frame (16) is rotatably connected with a flip rod (30), the bottom end of the flip rod (30) is fixedly connected with a ratchet (31), the ratchet (31) is clamped in the interior of the ratchet (29), the surface of the flip rod (30) is sleeved with a torsion spring (32), the two ends of the torsion spring (32) are respectively fixedly connected with the ratchet (31) and the connecting frame (16), the end of the flip rod (30) away from the ratchet (31) is fixedly connected with a turntable (33), and the turntable (33) is rotatably arranged on the surface of the connecting frame (16).

7. The split dust suppression device according to claim 6, characterized in that: The internal thread is connected to a first threaded rod (35), the first threaded rod (35) is threadedly connected to the lifting support plate (8), and the bottom end of the first threaded rod (35) is fixedly connected to a first knob (34).

8. The split dust suppression device according to claim 7, characterized in that: The surface of the L-shaped second positioning frame (11) is longitudinally provided with a second longitudinal guide groove (36), and both sides of the U-shaped storage frame (23) are fixedly connected with a fixing seat (37), and the fixing seat (37) is slidably arranged on the surface of the second longitudinal guide groove (36). The internal thread of the L-shaped second positioning frame (11) is connected with a second threaded rod (38), and the bottom end of the second threaded rod (38) is fixedly connected with a second knob (39), and the second threaded rod (38) is threadedly connected to the U-shaped storage frame (23).

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