CN221346463U - Noise elimination and reduction device for urban subway construction - Google Patents
Noise elimination and reduction device for urban subway construction Download PDFInfo
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- CN221346463U CN221346463U CN202323314265.2U CN202323314265U CN221346463U CN 221346463 U CN221346463 U CN 221346463U CN 202323314265 U CN202323314265 U CN 202323314265U CN 221346463 U CN221346463 U CN 221346463U
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- 230000009467 reduction Effects 0.000 title claims abstract description 40
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 230000008030 elimination Effects 0.000 title claims abstract description 20
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 14
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model discloses a noise elimination and noise reduction device for urban subway construction, which comprises a noise reduction mechanism, wherein the front part and the rear part of the noise reduction mechanism are respectively provided with a fixing mechanism, the noise reduction mechanism comprises two base plates, the inner sides of the base plates are fixedly provided with sound insulation plates, the inner sides of the sound insulation plates are provided with grid plates, the inner sides of the grid plates are provided with micro-pore plates, the inner sides of the micro-pore plates are provided with sound absorption cotton, the front surfaces of the two base plates are arranged in an inverted U shape, the two base plates are symmetrically arranged, the length between the front end and the rear end of the base plates is greater than the length of the sound insulation plates, the side surfaces of the grid plates are arranged in a net shape, and a plurality of holes are formed through the inner side and the outer side of the micro-pore plates; the noise elimination and reduction device for urban subway construction reduces the reflection of sound waves to the outside, further reduces the transmission of noise, and is convenient to install and fix integrally and convenient and quick to detach.
Description
Technical Field
The utility model relates to the field of subway construction, in particular to a noise elimination and reduction device for urban subway construction.
Background
The subway construction is to construct relevant facilities such as subway lines, stations and the like in urban underground, certain noise is generated in the construction process during track laying, mechanical equipment operation and construction operation, and noise influence is caused on constructors and external residents in a tunnel, so that noise elimination and noise reduction are needed, and noise pollution is reduced.
The noise elimination and noise reduction device for the existing urban subway construction is inconvenient to attenuate partial unabsorbed noise due to the fact that noise is easy to reflect and increase through the inner wall of a subway tunnel when in use, and the noise elimination and noise reduction device is easy to damage a tunnel due to the fact that the noise is connected with the inner wall of the tunnel through bolts when fixed, and is inconvenient to install and detach quickly, so that a certain effect is brought to practical use.
Disclosure of utility model
The utility model mainly aims to provide a silencing and noise-reducing device for urban subway construction, which can effectively solve the technical problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a noise elimination noise reduction device of urban subway construction, includes noise reduction mechanism, fixed establishment is all installed to noise reduction mechanism's front and back portion, noise reduction mechanism includes two base plates, the inboard fixed mounting of base plate has the acoustic celotex board, the grid board is installed to the inboard of acoustic celotex board, the micropore board is installed to the inboard of grid board, the sound absorbing cotton is installed to the inboard of micropore board.
As a further scheme of the utility model, the front view of the two substrates is inverted U-shaped, and the two substrates are symmetrically arranged.
As a further scheme of the utility model, the length between the front end and the rear end of the base plate is longer than the length of the sound insulation plate, and the side view of the grating plate is arranged in a net shape.
As a further scheme of the utility model, a plurality of holes are formed through the inner side and the outer side of the micropore plate, and the outer ring of the sound-absorbing cotton is adhered to the inner side of the micropore plate through an adhesive layer.
As a further scheme of the utility model, the fixing mechanism comprises two supporting frames, limit grooves are formed in the front and rear parts of the outer ring of each supporting frame, connecting seats are fixedly arranged at the top ends of the two supporting frames, two convex blocks are arranged on the inner sides of the connecting seats, a fixing plate is fixedly arranged on the inner sides of the supporting frames and the bottom ends of the two supporting frames, clamping blocks are arranged between the two connecting seats in a clamping connection mode, two clamping grooves are formed in two sides of each clamping block, and handles are fixedly arranged at the front and rear ends of the bottoms of the clamping blocks.
As a further scheme of the utility model, the two supporting frames are symmetrically arranged, and the inner walls at the two ends of the substrate are positioned in the limiting grooves and are matched with each other.
As a further scheme of the utility model, the protruding blocks are arranged in the clamping grooves in a sliding manner, and the clamping blocks are arranged between the two connecting seats in a clamping manner.
The beneficial effects of the utility model are as follows:
The noise reduction mechanism is arranged, the noise is absorbed through the sound absorbing cotton, the reflection of sound waves to the outside can be reduced, part of unabsorbed noise enters the grating plate through the holes of the micro-pore plate, the noise is reflected by the air layer in the grating plate, the noise is attenuated in the reflection process through the sound insulation plate, the noise is further reduced, the propagation of the noise is reduced, and the substrate is attached to the inner wall of the tunnel to carry out integral support, so that the noise reduction mechanism is suitable for noise reduction in a subway tunnel;
Through setting up fixed establishment, the both ends of base plate are located the spacing inslot, make the support frame support through the installation between fixed plate and the ground, and the holistic installation and the fixed of being convenient for make the fixture block joint between the top of two support frames through the slip between lug and the draw-in groove, further strengthen the fixed of support frame, promote the fixture block through the handle and make the lug break away from the draw-in groove, the holistic dismantlement of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a noise elimination and reduction device for urban subway construction;
fig. 2 is a schematic structural diagram of a noise reduction mechanism in a noise reduction device for urban subway construction;
Fig. 3 is a schematic diagram of a split structure of a noise reduction mechanism in a noise reduction device for urban subway construction;
Fig. 4 is a schematic structural view of a fixing mechanism in a noise elimination and reduction device for urban subway construction.
In the figure: 1. a noise reduction mechanism; 2. a fixing mechanism; 3. a substrate; 4. a sound insulation board; 5. a grating plate; 6. a microplate; 7. sound absorbing cotton; 8. a support frame; 9. a limit groove; 10. a connecting seat; 11. a bump; 12. a fixing plate; 13. a clamping block; 14. a clamping groove; 15. a handle.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a noise elimination and noise reduction device for urban subway construction comprises a noise reduction mechanism 1, wherein a fixing mechanism 2 is arranged at the front part and the rear part of the noise reduction mechanism 1, the noise reduction mechanism 1 comprises two base plates 3, a sound insulation plate 4 is fixedly arranged at the inner side of each base plate 3, a grid plate 5 is arranged at the inner side of each sound insulation plate 4, a micro-pore plate 6 is arranged at the inner side of each grid plate 5, and sound absorption cotton 7 is arranged at the inner side of each micro-pore plate 6.
In this embodiment, the front view of the two substrates 3 is inverted "U" shaped, the two substrates 3 are symmetrically arranged, and the two substrates 3 are attached to the inner wall of the subway tunnel for integral support and fixation.
In this embodiment, the length between the front and rear ends of the substrate 3 is greater than the length of the sound insulation plate 4, the side view of the grating plate 5 is in a net shape, and noise enters the hollow layer in the grating plate 5 for repeated reflection, so that noise is reduced.
In this embodiment, a plurality of holes are formed through the inner and outer sides of the micro-porous plate 6, the outer ring of the sound absorbing cotton 7 is adhered to the inner side of the micro-porous plate 6 through an adhesive layer, noise is absorbed through the sound absorbing cotton 7, and partial noise enters the interior through the holes of the micro-porous plate 6 to further reduce noise.
In this embodiment, fixed establishment 2 includes two support frames 8, limit groove 9 has all been seted up to the outer lane of support frame 8 near front and back portion, the equal fixed mounting in top of two support frames 8 has connecting seat 10, the inboard of connecting seat 10 is provided with two lugs 11, the inboard of support frame 8 is near bottom fixed mounting has fixed plate 12, clamping block 13 is installed to the joint between two connecting seats 10, two draw-in grooves 14 have all been seted up to the both sides of clamping block 13, the bottom of clamping block 13 is near equal fixed mounting of front and back end has handle 15, support two base plates 3 through using two support frames 8, the fixed and the installation of base plate 3 of being convenient for.
In this embodiment, two support frames 8 are mutually symmetrical and set up, and the inner wall at the both ends of base plate 3 is located spacing groove 9 and is mutual matching setting, and the inner wall at base plate 3 both ends is located spacing groove 9 of support frame 8, supports through base plate 3, strengthens the fixed of base plate 3.
In this embodiment, the protruding block 11 is located in the clamping groove 14 and is slidably disposed, the clamping block 13 is located between the two connection seats 10 and is configured in a clamping manner, and the clamping block 13 is clamped between the two connection seats 10 through the sliding of the protruding block 11 and the clamping groove 14, so that the two support frames 8 can be quickly installed and removed.
The utility model relates to a noise elimination and reduction device for urban subway construction, which is characterized in that when in use, a base plate 3 is attached to the inner wall of a tunnel and integrally supports the base plate, noise generated during mechanical operation and construction operation is absorbed through a sound absorbing cotton 7, reflection of the noise to the outside is reduced, part of the noise enters a grid plate 5 through holes of a micro-pore plate 6, the noise is supported between the micro-pore plate 6 and a sound insulation plate 4 through the grid plate 5, the noise is reflected by an air layer in the grid plate 5, the noise is attenuated in the noise reflection process through the sound insulation plate 4, the noise is further reduced, when in disassembly, the outer side of the base plate 3 is attached to the inner wall of one side of the tunnel, two support frames 8 are mounted at the inner side of the base plate 3 at two ends, two ends of the base plate 3 are positioned in a limiting groove 9, the bottom of the support frames 8 are fixed with the bottom ground through a fixing plate 12, the outer side of the other base plate 3 is attached to the inner wall of the other side of the tunnel, the base plate is sequentially mounted and fixed, a clamping block 13 is clamped between the top ends of the two support frames 8 through sliding of a lug 11 and a clamping groove 14, and the base plate 3 is further fixed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a noise elimination noise reduction device of city subway construction, includes noise reduction mechanism (1), fixed establishment (2), its characterized in that are all installed at the front and back portion of noise reduction mechanism (1): the noise reduction mechanism (1) comprises two base plates (3), a sound insulation plate (4) is fixedly arranged on the inner side of the base plates (3), a grating plate (5) is arranged on the inner side of the sound insulation plate (4), a micro-pore plate (6) is arranged on the inner side of the grating plate (5), and sound absorbing cotton (7) is arranged on the inner side of the micro-pore plate (6).
2. The noise elimination and reduction device for urban subway construction according to claim 1, wherein: the front view of the two substrates (3) is inverted U-shaped, and the two substrates (3) are symmetrically arranged.
3. The noise elimination and reduction device for urban subway construction according to claim 1, wherein: the length between the front end and the rear end of the base plate (3) is longer than the length of the sound insulation plate (4), and the side view of the grating plate (5) is in a net shape.
4. The noise elimination and reduction device for urban subway construction according to claim 1, wherein: a plurality of holes are formed through the inner side and the outer side of the micropore plate (6), and the outer ring of the sound absorbing cotton (7) is adhered to the inner side of the micropore plate (6) through an adhesive layer.
5. The noise elimination and reduction device for urban subway construction according to claim 1, wherein: the fixing mechanism (2) comprises two supporting frames (8), limiting grooves (9) are formed in the front portion and the rear portion of the outer ring of each supporting frame (8), connecting seats (10) are fixedly arranged at the top ends of the two supporting frames (8), two protruding blocks (11) are arranged on the inner sides of the connecting seats (10), fixing plates (12) are fixedly arranged on the inner sides of the supporting frames (8) by means of bottom ends, clamping blocks (13) are arranged between the two connecting seats (10) in a clamping mode, two clamping grooves (14) are formed in two sides of each clamping block (13), and handles (15) are fixedly arranged at the bottom of each clamping block (13) by means of the front end and the rear end.
6. The noise elimination and reduction device for urban subway construction according to claim 5, wherein: the two supporting frames (8) are symmetrically arranged, and the inner walls at the two ends of the substrate (3) are positioned in the limit grooves (9) and are matched with each other.
7. The noise elimination and reduction device for urban subway construction according to claim 5, wherein: the protruding blocks (11) are arranged in the clamping grooves (14) in a sliding mode, and the clamping blocks (13) are arranged between the two connecting seats (10) in a clamping mode.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221346463U true CN221346463U (en) | 2024-07-16 |
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