Dust and noise reduction device for subway construction

Abstract

The utility model discloses a dust fall and noise reduction device for metro construction, which relates to the field of metro construction and comprises two groups of support columns, arch frames are fixedly mounted at the tops of the two groups of support columns, sound insulation plates are movably mounted on inner rings of the arch frames, a plurality of curtains are mounted at the bottoms of the sound insulation plates, and a dust fall component is mounted between the two arch frames. Positioning assemblies are installed on one sides of the two sets of supporting columns, the dust falling assembly comprises two sets of supporting rods, the two sets of supporting rods are installed between the two arch frames, the peripheries of the two sets of supporting rods are connected with a plurality of sliding bases in a sleeving mode, a connecting pipe is connected between the sliding bases in the two sets of supporting rods, and two spray heads are installed at the bottom of each sliding base; and a plurality of supporting rods and a plurality of groups of sliding seat nozzles can be conveniently connected, dust falling treatment on different construction ranges can be prolonged, meanwhile, the overall sound insulation effect is improved, and a sound insulation plate can be conveniently opened and closed on any side of the construction position.

Description

Technical Field

[0001] The utility model relates to the field of subway construction, in particular to a dust reduction and noise reduction device for subway construction. Background Art

[0002] Subway construction is the construction work inside the subway tunnel, such as track laying. The dust and noise generated during the construction process will cause environmental pollution and affect the health of surrounding residents and the ecological environment. Dust reduction and noise reduction are required. This solution specifically involves a subway construction dust reduction and noise reduction device;

[0003] When the existing subway construction dust reduction and noise reduction device is in use, the dust and noise generated within the construction range are easy to spread, and the construction range in the tunnel is of different lengths, which makes it inconvenient to reduce dust within the range. When workers enter and exit, the sound insulation effect is reduced, and it is inconvenient to open and fix the sound insulation board. Utility Model Content

[0004] The main purpose of the utility model is to provide a dust reduction and noise reduction device for subway construction, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A dust reduction and noise reduction device for subway construction comprises two groups of support columns, the tops of the two groups of support columns are fixedly mounted with arch frames, the inner rings of the arch frames are movably mounted with sound insulation boards, the bottoms of the sound insulation boards are mounted with a plurality of curtains, a dust reduction assembly is mounted between the two arch frames, one side of the two groups of support columns is mounted with a positioning assembly, the dust reduction assembly comprises two groups of support rods, the two groups of support rods are mounted between the two arch frames, the peripheries of the two groups of support rods are sleeved with a plurality of sliding seats, a connecting pipe is connected between the plurality of sliding seats in the two groups of support rods, and each Two nozzles are installed at the bottom of the sliding seat, and a water connecting pipe is installed at the bottom of the arch frame at the rear end. Several sliding seats are divided into two groups, and valves are installed at the front of the water connecting pipe and the front of the two groups of sliding seats. The front of the valve is provided with a first screw hole, and the rear of the two groups of sliding seats is provided with a first connecting port. The front end of the support rod and the front of the arch frame are provided with second screw holes on both sides, and the rear end of the support rod is provided with a second connecting port. Knobs are movably installed on both sides of the rear of the arch frame, and the rear of the knob is fixedly provided with the same second connecting port.

[0007] As a further solution of the utility model, one side of the sound insulation board is located on the inner side of the support column through a hinge and is movably rotatable. The number of each group of support rods is two, and the connecting pipe runs through the interior of the sliding seat and is connected to the nozzle.

[0008] As a further solution of the utility model, the second connection port at the rear end of the support rod is threadedly connected to the inside of the second screw hole, and the sliding seat is sleeved on the outer periphery of the support rod and is slidably arranged.

[0009] As a further solution of the utility model, the first connection port and the first screw port are threadedly connected, and the front part of the knob passes through the interior of the arch frame and is movably rotatable via a bearing.

[0010] As a further solution of the present invention, the positioning assembly includes a shaft rod, which is movably installed inside a support column, and turntables are fixedly installed at both ends of the shaft rod. Two movable grooves are provided on the inner side of the support column near the middle section, and positioning rods are installed on the outer periphery of the shaft rod and in the two movable grooves.

[0011] As a further solution of the utility model, the shaft rod penetrates the interior of the support column and is movably rotatable, and the two turntables are respectively located at the front and rear parts of the support column and are fixedly connected to the shaft rod.

[0012] As a further solution of the utility model, the positioning rod is fixedly installed with the shaft rod, and the positioning rod is located in the movable groove and rotates around the shaft rod.

[0013] The beneficial effects of the utility model are as follows:

[0014] By setting up the dust reduction assembly, the support rod is fixed between the two arch frames, and the second connection port is connected with the second screw port, so that the installation of multiple support rods is convenient, and the length of the construction range can be extended. The first connection port is connected with the first screw port to connect multiple sets of slide seats. Through the sliding of the slide seat, the water flow is sprayed out through the nozzle in atomization, so that the construction range can be dusted, and it is convenient to slide to the designated position for dust reduction;

[0015] By setting the positioning components, the sound insulation board will close the arch frame, reduce the noise from the construction site to spread outward, and improve the overall sound insulation effect. The positioning rod is driven by the shaft rod to rotate to the front and rear of the sound insulation board or retract into the movable groove, which is convenient for fixing and punching the sound insulation board. It can be opened and closed on either side of the construction range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a subway construction dust reduction and noise reduction device according to the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of a dust reduction component in a subway construction dust reduction and noise reduction device of the utility model;

[0018] Figure 3 This utility model is a kind of dust reduction and noise reduction device for subway construction Figure 2 A magnified image of point A;

[0019] Figure 4 This is a schematic diagram of the internal structure of an arch frame in a subway construction dust reduction and noise reduction device of the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the internal structure of a positioning component in a dust reduction and noise reduction device for subway construction.

[0021] In the figure: 1. support column; 2. arch frame; 3. sound insulation board; 4. curtain; 5. dust suppression assembly; 6. positioning assembly; 7. support rod; 8. slide seat; 9. connecting pipe; 10. nozzle; 11. water connecting pipe; 12. valve; 13. first screw thread; 14. first connecting port; 15. second screw thread; 16. second connecting port; 17. knob; 18. shaft rod; 19. turntable; 20. movable slot; 21. positioning rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-5 As shown, a dust reduction and noise reduction device for subway construction includes two groups of support columns 1, the tops of the two groups of support columns 1 are fixedly installed with arch frames 2, the inner rings of the arch frames 2 are movably installed with sound insulation boards 3, and the bottoms of the sound insulation boards 3 are installed with a plurality of curtains 4. A dust reduction component 5 is installed between the two arch frames 2, and one side of the two groups of support columns 1 is installed with a positioning component 6. The dust reduction component 5 includes two groups of support rods 7, and the two groups of support rods 7 are installed between the two arch frames 2. The peripheries of the two groups of support rods 7 are sleeved with a plurality of slide seats 8, and a connecting pipe 9 is connected between the plurality of slide seats 8 in the two groups of support rods 7. The bottom of each slide seat 8 Two nozzles 10 are installed, a water connecting pipe 11 is installed at the bottom of the rear end arch frame 2, a number of slide seats 8 are divided into two groups, valves 12 are installed at the front of the water connecting pipe 11 and the front of the two groups of slide seats 8, a first screw hole 13 is opened at the front of the valve 12, a first connecting port 14 is installed at the rear of the two groups of slide seats 8, second screw holes 15 are opened at the front end of the support rod 7 and the front of the arch frame 2 on both sides, a second connecting port 16 is installed at the rear end of the support rod 7, knobs 17 are movably installed on both sides of the rear of the arch frame 2, and the rear of the knob 17 is fixedly installed with the same second connecting port 16.

[0024] In this embodiment, one side of the sound insulation board 3 is located on the inner side of the support column 1 through a hinge and is movably rotatable. There are two support rods 7 in each group. The connecting pipe 9 runs through the interior of the sliding seat 8 and is connected to the nozzle 10. The two ends of the two construction ranges are sealed by the rotation of the sound insulation board 3 to reduce the spread of noise.

[0025] In this embodiment, the second connecting port 16 at the rear end of the support rod 7 is threadedly connected to the inside of the second screw hole 15, and the slide seat 8 is slidably sleeved on the outer periphery of the support rod 7. By sliding the slide seat 8, the nozzle 10 can be adjusted to reduce dust at different positions.

[0026] In this embodiment, the first connecting port 14 and the first screw port 13 are threadedly connected, and the front part of the knob 17 passes through the interior of the arch frame 2 and is movably rotatable through a bearing. Through the connection of the first connecting port 14 and the second connecting port 16, multiple struts 7 and multiple sets of slides 8 are connected.

[0027] In this embodiment, the positioning assembly 6 includes a shaft rod 18, which is movably installed inside the support column 1. Turntables 19 are fixedly installed at both ends of the shaft rod 18. Two movable grooves 20 are provided on the inner side of the support column 1 near the middle section. Positioning rods 21 are installed on the outer periphery of the shaft rod 18 and in the two movable grooves 20. By rotating any one of the turntables 19, the positioning rod 21 is retracted into the movable groove 20 or located at the front and rear parts of the sound insulation board 3, which facilitates the opening and fixing of the sound insulation board 3.

[0028] In this embodiment, the shaft 18 passes through the interior of the support column 1 and is movably rotatable. Two turntables 19 are respectively located at the front and rear parts of the support column 1 and are fixedly connected to the shaft 18. The turntables 19 drive the shaft 18 to rotate to adjust the position of the positioning rod 21.

[0029] In this embodiment, the positioning rod 21 is fixedly installed with the shaft rod 18. The positioning rod 21 is located in the movable groove 20 and rotates around the shaft rod 18. The two positioning rods 21 are located at the front and rear parts of the sound insulation board 3, so that the sound insulation board 3 is fixed after closing.

[0030] It should be noted that the utility model is a dust reduction and noise reduction device for subway construction. When in use, first fix the two groups of support columns 1 at the designated positions in the subway tunnel. When installing, connect the second connecting ports 16 at the rear ends of the two support rods 7 to the second screw ports 15 at the front end of one of the arch frames 2, and then sleeve the corresponding plurality of slide seats 8 on the periphery of the two support rods 7. When multiple support rods 7 are connected to extend the length of the construction range, connect the second connecting ports 16 at the rear ends of the two support rods 7 of the second group to the second screw ports 15 at the front ends of the two support rods 7 of the first group, and then connect the second screw ports 15 at the front ends of the second group of support rods 7 to the knobs. The second connection port 16 at the rear of 17 is connected, so that the two groups of support rods 7 are fixed between the two arch frames 2. By connecting the water source to the water pipe 11, the first connection port 14 is connected to the first screw port 13, so that the water flows through the connecting pipe 9 and is sequentially transported to the nozzle 10 for atomization and spraying to reduce dust. By closing the sound insulation board 3, the noise within the construction range is absorbed and soundproofed. When fixing the sound insulation board 3, by rotating any one of the turntables 19, the shaft rod 18 drives the two positioning rods 21 to rotate to the front and rear parts of the sound insulation board 3 for fixing. The positioning rods 21 rotate and shrink into the movable groove 20 to open the sound insulation board 3.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A dust reduction and noise reduction device for subway construction, comprising two groups of support columns (1), the tops of the two groups of support columns (1) are fixedly mounted with arch frames (2), the inner rings of the arch frames (2) are movably mounted with sound insulation boards (3), the bottoms of the sound insulation boards (3) are mounted with a plurality of curtains (4), a dust reduction assembly (5) is mounted between the two arch frames (2), and one side of the two groups of support columns (1) is mounted with a positioning assembly (6), characterized in that: The dust suppression assembly (5) comprises two groups of support rods (7), the two groups of support rods (7) are installed between two arch frames (2), the outer peripheries of the two groups of support rods (7) are sleeved with a plurality of slide seats (8), a connecting pipe (9) is connected between the plurality of slide seats (8) in the two groups of support rods (7), two nozzles (10) are installed at the bottom of each slide seat (8), a water receiving pipe (11) is installed at the bottom of the arch frame (2) at the rear end, and the plurality of slide seats (8) are divided into two groups, the front part of the water receiving pipe (11) and the two groups of slide seats are connected to each other. A valve (12) is installed at the front of each of the two groups of slide seats (8), and a first screw hole (13) is provided at the front of each of the two groups of slide seats (8). A first connection port (14) is installed at the rear of each of the two groups of slide seats (8). A second screw hole (15) is provided at the front end of each of the support rods (7) and at both sides of the front of each of the arch frames (2). A second connection port (16) is installed at the rear end of each of the support rods (7). A knob (17) is movably installed at both sides of the rear of each of the arch frames (2), and the same second connection port (16) is fixedly installed at the rear of each of the knobs (17).

2. A subway construction dust reduction and noise reduction device according to claim 1, characterized in that: One side of the sound insulation board (3) is hingedly located on the inner side of the support column (1) and is movably rotatable. Each group of support rods (7) has two support rods. The connecting pipe (9) passes through the interior of the sliding seat (8) and is connected to the nozzle (10).

3. The dust reduction and noise reduction device for subway construction according to claim 1 is characterized by: The second connection port (16) at the rear end of the support rod (7) is threadedly connected to the inside of the second screw port (15), and the sliding seat (8) is sleeved on the outer periphery of the support rod (7) in a sliding manner.

4. The dust reduction and noise reduction device for subway construction according to claim 1, characterized in that: The first connection port (14) and the first screw port (13) are threadedly connected, and the front part of the knob (17) penetrates the interior of the arch frame (2) and is movably rotatable via a bearing.

5. The dust reduction and noise reduction device for subway construction according to claim 1 is characterized by: The positioning assembly (6) comprises a shaft rod (18) which is movably mounted inside the support column (1). Turntables (19) are fixedly mounted on both ends of the shaft rod (18). Two movable grooves (20) are provided on the inner side of the support column (1) near the middle section. Positioning rods (21) are mounted on the outer periphery of the shaft rod (18) and in the two movable grooves (20).

6. A subway construction dust reduction and noise reduction device according to claim 5, characterized in that: The shaft (18) penetrates the interior of the support column (1) and is movably rotatable. The two turntables (19) are respectively located at the front and rear parts of the support column (1) and are fixedly connected to the shaft (18).

7. The dust reduction and noise reduction device for subway construction according to claim 5, characterized in that: The positioning rod (21) and the shaft rod (18) are fixedly installed, and the positioning rod (21) is located in the movable groove (20) and rotates around the shaft rod (18).

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