Tunnel interior construction dust fall equipment

By installing a dust reduction equipment combining multiple water pipes and pumps inside the tunnel, the problems of low dust reduction efficiency and water tank dependence in the tunnel are solved, and efficient atomization and dust reduction and flexible equipment use are achieved.

CN222254054UActive Publication Date: 2024-12-27HUNAN UNIV OF SCI & TECH
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Patent Information

Application Number
CN202421059555.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2024-12-27
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

During the construction of the existing walking fog cannon machine inside the tunnel, due to the high injection height and excessive reliance on its own water tank, the dust reduction efficiency and difficulty in managing water volume in an environment with small internal space of the tunnel.

Method used

A dust reduction equipment for internal construction of tunnels is designed, using multiple water pipes and pumps combined. The water pipes can be installed on the side wall of the tunnel. The water pumps are used to extract external water sources, and the jet angle and atomization nozzle position are adjusted through the rotating plate and motor. Improve dust reduction efficiency and pass through the filter to prevent clogging.

Benefits of technology

It realizes efficient atomization and dust reduction inside the tunnel, avoids the low efficiency of the walking fog cannon machine and the dependence of the water tank, improves the dust reduction effect, and improves the flexibility and stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses tunnel interior construction dust suppression equipment, which belongs to the technical field of tunnel construction and comprises a water suction pump and a plurality of water delivery pipes, a water inlet and a water outlet of the water suction pump are respectively communicated with a water inlet pipe and a water outlet pipe, and a plurality of fixed clamping plates are arranged on the outer surfaces of the water delivery pipes. Every two fixing clamping plates form a group, and every two fixing clamping plates in one group are oppositely arranged and provided with a plurality of fixing bolts in a threaded mode. The multiple water conveying pipes are arranged to be used in cooperation with the water suction pump, the water conveying pipes can be installed on the side wall in the tunnel through the installation bases and the fixing clamping plates, the proper number of water conveying pipes are selected to be assembled according to the length of the tunnel, and atomization dust falling operation in the whole tunnel can be achieved only by using the water suction pump to pump an external water source; the problem that a walking type fog gun machine excessively depends on a water tank of the walking type fog gun machine can be avoided, the problem that the atomization dust falling efficiency of the walking type fog gun machine is low can also be avoided, and the atomization dust falling efficiency is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel construction, and in particular relates to dust reduction equipment for tunnel internal construction. Background Art

[0002] As my country's infrastructure construction technology becomes more and more advanced, the technology for construction inside tunnels is becoming more and more mature. The method of cutting through mountains has been vigorously promoted. Tunnel construction is the construction carried out inside the excavated tunnel.

[0003] During construction inside a tunnel, dust is easily splashed due to the poor air circulation inside the tunnel. Therefore, dust reduction equipment is usually installed during construction inside a tunnel. Most of the existing dust reduction equipment is a walking fog cannon. The walking fog cannon uses its own water tank and fog cannon nozzle to spray water mist into the air to achieve the effect of dust reduction. However, the spraying height of the walking fog cannon is relatively high, and the internal space of the tunnel is relatively small, so it is difficult to effectively use the machine. In addition, the walking fog cannon relies too much on its own water tank, and the water tank capacity is fixed. It is necessary to pay attention to the amount of water at all times. There are certain limitations when using the machine for operations inside tunnels. Utility Model Content

[0004] The purpose of the utility model is to provide a dust reduction device for tunnel internal construction, so as to solve the problems proposed in the above-mentioned background technology that the spraying height of the walking type fog cannon is relatively high, the internal space of the tunnel is relatively small and it is difficult to effectively use it, and the walking type fog cannon is overly dependent on its own water tank, and the water tank volume is fixed, and it is necessary to pay attention to the amount of water at all times, which has certain limitations when used in tunnel internal operations.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of dust reduction equipment for tunnel internal construction, comprising a water pump and a plurality of water pipes, the water inlet and the water outlet of the water pump are connected and installed with a water inlet pipe and a water outlet pipe respectively, the outer surface of the water pipe is provided with a plurality of fixed clamps, the plurality of fixed clamps are grouped in pairs, a group of two fixed clamps are arranged opposite to each other and a plurality of fixing bolts are threadedly installed, a group of two fixed clamps are clamped on the outer surface of the water pipe, a mounting seat is fixedly installed on the side of one of the fixed clamps, a plurality of mounting bolts are threadedly installed on the mounting seat, and flanges are fixedly installed on the outer surfaces of both ends of the water pipe The flange plate has sealing end covers on its front and rear sides and the rearmost side of the flange plate, and a plurality of connecting screws are provided between two adjacent flange plates and between adjacent flange plates and the sealing end covers, and connecting nuts are threadedly installed on the outer surfaces of the connecting screws, one of the sealing end covers is connected with a water outlet pipe, a rotating plate is rotatably installed on the outer surface of the water delivery pipe, an extension plate is movably provided on the upper surface of the rotating plate, a fixing block 2 is fixedly installed on the upper surface of the extension plate, an atomizing nozzle is fixedly installed on the fixing block 2, a telescopic hose is installed on the atomizing nozzle, and the other end of the telescopic hose is connected with the water delivery pipe.

[0006] By adopting the above scheme, multiple water pipes are set up for use with water pumps. The water pipes can be installed on the inner side wall of the tunnel through the mounting base and the fixed clamping plate. The appropriate number of water pipes are selected for assembly according to the length of the tunnel. It is only necessary to use the water pump to extract external water source to realize the atomization dust reduction operation inside the entire tunnel. It can avoid the problem of excessive dependence of the walking fog cannon on its own water tank, and the problem of low atomization dust reduction efficiency of the walking fog cannon can be avoided, thereby improving the atomization dust reduction efficiency. By using shaft one in conjunction with motor one, motor one drives shaft one to rotate, and shaft one drives the rotating plate to rotate, so that the spray angle range can be adjusted according to the needs of use, and the rotating plate can be rotated to a vertical state after use to avoid affecting the walking inside the tunnel. Motor two drives shaft two to rotate, and shaft two drives the screw to rotate, thereby driving the threaded plate to move, and then driving the extension plate to move, so as to adaptively adjust the position of the atomizing nozzle and further improve the efficiency of the atomization dust reduction range.

[0007] In the above solution, it should be noted that the motor one, the motor two and the water pump are all electrically connected to the external power supply.

[0008] As a preferred embodiment, a water pumping head is fixedly installed on one end of the water inlet pipe away from the water pump, and a filter screen is threadedly installed on the inner wall of the water pumping head.

[0009] By adopting the above scheme, the pumping head and the filter can be used to filter the water pumped by the pump, effectively preventing the particle matter from being drawn out and causing blockage, and the filter is assembled with threads, which is convenient for subsequent disassembly and cleaning.

[0010] As a preferred embodiment, a plurality of alignment blocks are fixedly mounted on the outer surface of the water delivery pipe, and an inner wall of the fixed clamping plate is provided with alignment slots for the alignment blocks to be inserted into.

[0011] By adopting the above solution, the alignment block is used in conjunction with the alignment slot, so that the fixed clamp plate and the water pipe are not easily misaligned or deviated when assembled, thereby improving the stability of use and installation.

[0012] As a preferred embodiment, two fixed blocks 1 are fixedly installed on the outer surface of the water pipe, a rotating shaft 1 is rotatably installed between the two fixed blocks 1, the rotating plate is fixed on the outer surface of the rotating shaft 1, a motor 1 is fixedly installed on the side of one of the fixed blocks 1, and the output shaft of the motor 1 is fixedly connected to the rotating shaft 1.

[0013] By adopting the above scheme, a rotating shaft is used in conjunction with a motor, the motor drives the rotating shaft to rotate, and the rotating shaft drives the rotating plate to rotate, so that the spraying angle range can be adjusted according to the needs of use, and the rotating plate can be rotated to a vertical state after use to avoid affecting walking inside the tunnel.

[0014] As a preferred embodiment, two rotating shafts 2 are rotatably installed on the inner wall of the rotating plate, a lead screw is fixedly installed between the two rotating shafts 2, a threaded plate is threadedly installed on the outer surface of the lead screw, the threaded plate is fixed on the lower surface of the extension plate, a motor 2 is fixedly installed on the side of the rotating plate, and the output shaft of the motor 2 is fixedly connected to the rotating shaft 2 at the corresponding position.

[0015] By adopting the above scheme, the second motor is used to drive the second rotating shaft to rotate, the second rotating shaft drives the lead screw to rotate, and then drives the threaded plate to move, and then drives the extension plate to move, so as to adaptively adjust the position of the atomizing nozzle.

[0016] As a preferred implementation, a plurality of guide rods are fixedly mounted on the inner wall of the rotating plate, and the threaded plate is slidably mounted on the outer surfaces of the plurality of guide rods.

[0017] By adopting the above scheme, the movement of the threaded plate can be supported by the setting of the guide rod, thereby improving the movement stability of the threaded plate and preventing shaking.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The dust reduction equipment for tunnel internal construction is used by setting up multiple water pipes in conjunction with a water pump. The water pipes can be installed on the inner side wall of the tunnel through a mounting base and a fixed card. The appropriate number of water pipes are selected for assembly according to the length of the tunnel. Only the external water source is extracted by the water pump to realize the atomization dust reduction operation inside the entire tunnel. This can avoid the problem of excessive reliance on the water tank of the walking fog cannon and the problem of low atomization dust reduction efficiency of the walking fog cannon, thereby improving the atomization dust reduction efficiency.

[0020] The tunnel internal construction dust reduction equipment uses a rotating shaft and a motor. The motor drives the rotating shaft to rotate, and the rotating shaft drives the rotating plate to rotate. Therefore, the spray angle range can be adjusted according to the use needs. The rotating plate can also be rotated to a vertical state after use to avoid affecting the walking inside the tunnel. The motor drives the rotating shaft to rotate, and the rotating shaft drives the lead screw to rotate, thereby driving the threaded plate to move, and then driving the extension plate to move, so as to adaptively adjust the position of the atomizing nozzle and further improve the efficiency of the atomizing dust reduction range. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is an exploded schematic diagram of the pumping head and filter screen of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the mounting base and the water pipe of the utility model;

[0024] Figure 4 This is a schematic diagram of the water pipe structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the mounting seat of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the fixed block 1, the rotating plate and the extension plate of the utility model.

[0027] In the figure: 1. water pump; 2. water inlet pipe; 3. water pump head; 4. filter screen; 5. water outlet pipe; 6. water pipe; 7. mounting seat; 8. mounting bolts; 9. fixing plate; 10. fixing bolts; 11. flange; 12. sealing end cover; 13. connecting screws; 14. connecting nuts; 15. fixing block 1; 16. rotating plate; 17. extension plate; 18. fixing block 2; 19. atomizing nozzle; 20. telescopic hose; 21. alignment block; 22. motor 1; 23. rotating shaft 1; 24. rotating shaft 2; 25. motor 2; 26. lead screw; 27. threaded plate; 28. guide rod. DETAILED DESCRIPTION

[0028] See also Figure 1-6 The utility model provides a dust reduction device for tunnel internal construction, including a water pump 1 and a plurality of water pipes 6. The water inlet and the water outlet of the water pump 1 are connected and installed with a water inlet pipe 2 and a water outlet pipe 5 respectively. The outer surface of the water pipe 6 is provided with a plurality of fixed clamps 9. The plurality of fixed clamps 9 are grouped in pairs. A group of two fixed clamps 9 are arranged relatively and threadedly installed with a plurality of fixing bolts 10. A group of two fixed clamps 9 are clamped on the outer surface of the water pipe 6. A mounting seat 7 is fixedly installed on the side of one of the fixed clamps 9. A plurality of mounting bolts 8 are threadedly installed on the mounting seat 7. Flanges 11 are fixedly installed on the outer surfaces of both ends of the water pipe 6. The front and rear flanges 11 have sides and The sides of the rearmost flange 11 are fitted with sealing end covers 12, and a number of connecting screws 13 are inserted between two adjacent flanges 11 and between adjacent flanges 11 and sealing end covers 12. The outer surfaces of the connecting screws 13 are threadedly installed with connecting nuts 14. One of the sealing end covers 12 is connected to the water outlet pipe 5, and a rotating plate 16 is rotatably installed on the outer surface of the water delivery pipe 6. An extension plate 17 is movably provided on the upper surface of the rotating plate 16, and a fixing block 18 is fixedly installed on the upper surface of the extension plate 17. An atomizing nozzle 19 is fixedly installed on the fixing block 18, and a telescopic hose 20 is installed on the atomizing nozzle 19. The other end of the telescopic hose 20 is connected to the water delivery pipe 6.

[0029] A pumping head 3 is fixedly installed at one end of the water inlet pipe 2 away from the water pump 1, and a filter screen 4 is threadedly installed on the inner wall of the pumping head 3. The pumping head 3 and the filter screen 4 can be used to filter the water pumped by the water pump 1, effectively preventing particulate matter from being extracted and causing blockage, and the filter screen 4 is threadedly assembled to facilitate subsequent disassembly and cleaning.

[0030] A number of alignment blocks 21 are fixedly installed on the outer surface of the water pipe 6, and an alignment slot for the alignment blocks 21 to be inserted into is opened on the inner wall of the fixed clamp plate 9. The alignment blocks 21 are used in conjunction with the alignment slots, so that the fixed clamp plate 9 and the water pipe 6 are not prone to misalignment or deviation when assembled, thereby improving the stability of use and installation.

[0031] Two fixed blocks 15 are fixedly installed on the outer surface of the water pipe 6, and a rotating shaft 23 is rotatably installed between the two fixed blocks 15. The rotating plate 16 is fixed on the outer surface of the rotating shaft 23. A motor 22 is fixedly installed on the side of one of the fixed blocks 15, and the output shaft of the motor 22 is fixedly connected to the rotating shaft 23. The rotating shaft 23 is used in conjunction with the motor 22. The motor 22 drives the rotating shaft 23 to rotate, and the rotating shaft 23 drives the rotating plate 16 to rotate, so that the injection angle range can be adjusted according to the needs of use, and the rotating plate 16 can also be rotated to a vertical state after use to avoid affecting the walking inside the tunnel.

[0032] Two rotating shafts 24 are rotatably installed on the inner wall of the rotating plate 16, a lead screw 26 is fixedly installed between the two rotating shafts 24, a threaded plate 27 is threadedly installed on the outer surface of the lead screw 26, and the threaded plate 27 is fixed on the lower surface of the extension plate 17, and a motor 25 is fixedly installed on the side of the rotating plate 16, and the output shaft of the motor 25 is fixedly connected to the rotating shaft 24 at the corresponding position, and the motor 25 is used to drive the rotating shaft 24 to rotate, and the rotating shaft 24 drives the lead screw 26 to rotate, thereby driving the threaded plate 27 to move, and then driving the extension plate 17 to move, so as to adaptively adjust the position of the atomizing nozzle 19.

[0033] A plurality of guide rods 28 are fixedly mounted on the inner wall of the rotating plate 16, and the threaded plate 27 is slidably mounted on the outer surface of the plurality of guide rods 28. The setting of the guide rods 28 can support the movement of the threaded plate 27, improve the movement stability of the threaded plate 27, and prevent shaking.

[0034] When in use, select a suitable number of water pipes 6 according to the length of the tunnel, first use the fixing plate 9 to cooperate with the fixing bolts 10 to complete the assembly of the mounting seat 7 and the water pipe 6, then use the mounting bolts 8 to fix the mounting seat 7 to the inner side wall of the tunnel, use the flange 11 to cooperate with the connecting screws 13 and the connecting nuts 14 to realize the assembly of the water pipe 6, and similarly use the connecting screws 13 and the connecting nuts 14 to connect the sealing end cover 12 and the flange 11 at the end, place the water pump 1 near the water source, put the water pump head 3 into the water source, and use the motor 22 to drive the rotating shaft One 23 drives the rotating plate 16 to rotate, and the motor one 22 is stopped after it rotates to a suitable angle, and the motor two 25 is used to drive the rotating shaft two 24 to rotate, and the rotating shaft two 24 drives the screw 26 to rotate, thereby driving the threaded plate 27 to move, and then driving the extension plate 17 to move, so as to adaptively adjust the position of the atomizing nozzle 19. After adjustment, the motor two 25 is stopped, and the water pump 1 is started. The water flows through the filter screen 4 and then enters the water supply pipe 6 from the water inlet pipe 2 and the water outlet pipe 5, and is then transported to the atomizing nozzle 19 through the telescopic hose 20 for spraying, thereby realizing atomization dust reduction.

Claims

1. A dust reduction device for tunnel internal construction, characterized in that: The invention comprises a water pump (1) and a plurality of water pipes (6), wherein the water inlet and the water outlet of the water pump (1) are connected to a water inlet pipe (2) and a water outlet pipe (5) respectively, and the outer surface of the water pipe (6) is provided with a plurality of fixing clamps (9), wherein the fixing clamps (9) are arranged in pairs, wherein two fixing clamps (9) in a group are arranged opposite to each other and are threadedly installed with a plurality of fixing bolts (10), wherein a group of two fixing clamps (9) are clamped on the outer surface of the water pipe (6), wherein a mounting seat (7) is fixedly installed on the side of one of the fixing clamps (9), and a plurality of mounting bolts (8) are threadedly installed on the mounting seat (7), and flanges (11) are fixedly installed on the outer surfaces of both ends of the water pipe (6), wherein the sides of the front and rear flanges (11) and the side of the rearmost flanges (11) are both fitted with sealing end covers (12), and the two adjacent flanges (11) are provided with sealing end covers (12) in a closed relationship. A plurality of connecting screws (13) are provided between the flanges (11) and between adjacent flanges (11) and sealing end covers (12), and connecting nuts (14) are threadedly installed on the outer surfaces of the connecting screws (13). One of the sealing end covers (12) is connected to the water outlet pipe (5). A rotating plate (16) is rotatably installed on the outer surface of the water delivery pipe (6). An extension plate (17) is movably installed on the upper surface of the rotating plate (16). A fixing block 2 (18) is fixedly installed on the upper surface of the extension plate (17). An atomizing nozzle (19) is fixedly installed on the fixing block 2 (18). A telescopic hose (20) is installed on the atomizing nozzle (19), and the other end of the telescopic hose (20) is connected to the water delivery pipe (6). A water pumping head (3) is fixedly installed on the end of the water inlet pipe (2) away from the water pump (1), and a filter screen (4) is threadedly installed on the inner wall of the water pumping head (3).

2. The tunnel internal construction dust reduction equipment according to claim 1, characterized in that: A plurality of alignment blocks (21) are fixedly mounted on the outer surface of the water delivery pipe (6), and an inner wall of the fixed clamping plate (9) is provided with alignment slots for the alignment blocks (21) to be clamped into.

3. The tunnel internal construction dust reduction equipment according to claim 1, characterized in that: Two fixed blocks (15) are fixedly mounted on the outer surface of the water delivery pipe (6); a rotating shaft (23) is rotatably mounted between the two fixed blocks (15); the rotating plate (16) is fixed on the outer surface of the rotating shaft (23); a motor (22) is fixedly mounted on the side of one of the fixed blocks (15); and the output shaft of the motor (22) is fixedly connected to the rotating shaft (23).

4. The tunnel internal construction dust reduction equipment according to claim 1, characterized in that: Two rotating shafts (24) are rotatably mounted on the inner wall of the rotating plate (16), a lead screw (26) is fixedly mounted between the two rotating shafts (24), a threaded plate (27) is threadedly mounted on the outer surface of the lead screw (26), the threaded plate (27) is fixed on the lower surface of the extension plate (17), a motor (25) is fixedly mounted on the side of the rotating plate (16), and the output shaft of the motor (25) is fixedly connected to the rotating shaft (24) at the corresponding position.

5. The tunnel internal construction dust reduction equipment according to claim 4, characterized in that: A plurality of guide rods (28) are fixedly mounted on the inner wall of the rotating plate (16), and the threaded plate (27) is slidably mounted on the outer surfaces of the plurality of guide rods (28).