CN207749431U - Acoustic shielding device is used along a kind of subway - Google Patents
Acoustic shielding device is used along a kind of subway Download PDFInfo
- Publication number
- CN207749431U CN207749431U CN201820025286.2U CN201820025286U CN207749431U CN 207749431 U CN207749431 U CN 207749431U CN 201820025286 U CN201820025286 U CN 201820025286U CN 207749431 U CN207749431 U CN 207749431U
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- China
- Prior art keywords
- side wall
- end side
- noise reduction
- rod
- acoustic
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- 239000003292 glue Substances 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 18
- 230000008602 contraction Effects 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920002978 Vinylon Polymers 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
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- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses acoustic shielding device is used along a kind of subway,Including mounting base,The side wall of mounting base is equipped with fixed link,Fixed link upper end side wall is equipped with the first push-rod electric machine,First push-rod electric machine one end side wall is connected with the first telescopic rod,First telescopic rod one end side wall key connection has sliding axle,Sliding axle one end side wall pin connection has folding rod,Folding rod one end side wall is welded with noise reduction layer,Noise reduction layer one end side wall is welded with noise reduction microwell plate,It is plugged with inserted link inside second telescopic rod,Noise reduction layer outer end sidewall weld has concave block,Concave block one end side wall is connected with convex block,Fixing axle one end side wall is welded with acoustic board,Acoustic board one end inner wall screw is fixed with fanning strip,The side wall glue connection of fanning strip one end has expansion plate,Acoustic board one end side wall is connected with movable axis,One end side wall of movable axis is provided with wave-shape board,The present apparatus can effectively remove the harm that subway noise arrives to resident and office space,And the service life of device is long.
Description
Technical field
The utility model is related to use acoustic shielding device along acoustic shielding engineering device technique field more particularly to a kind of subway.
Background technology
The road of modern city in addition to surface road, and has built a large amount of subways, the universal resident to both sides of subway and
Commercial office place brings strong influence to people’s lives and work, and resident's opinion is very big for this purpose, along subway
Sound barrier is usually arranged in both sides, and existing sound barrier system mostly uses main material of the plastic plate as sound barrier, this
That there is sound absorption functions is poor for sound barrier, and soundproof effect is unsatisfactory, is easy aging, the obvious shortcoming that service life is short, the visual field is poor.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and are used along a kind of subway proposed
Acoustic shielding device.
To achieve the goals above, the utility model uses following technical solution：
Use acoustic shielding device, including mounting base along a kind of subway, one end side wall of the mounting base is equipped with solid
The upper end side wall of fixed pole, the fixed link is equipped with the first push-rod electric machine, and one end side wall activity of first push-rod electric machine connects
It is connected to the first telescopic rod, one end side wall key connection of the first telescopic rod has sliding axle, one end side wall pin connection of the sliding axle
There are folding rod, one end side wall of the folding rod to be welded with noise reduction layer, the inner end side wall of the noise reduction layer is equipped with the second push rod
One end side wall of motor, second push-rod electric machine is connected with the second telescopic rod, one end sidewall weld of the noise reduction layer
There are noise reduction microwell plate, the inside of second telescopic rod to be plugged with inserted link, one end side wall screw of the inserted link is fixed with limit
The top outer wall of plate, the inserted link is welded with handle, and the outer end sidewall weld of the noise reduction layer has concave block, one end of the concave block
Side wall is connected with convex block, and one end side wall key connection of the convex block has fixing axle, one end side wall pin connection of the fixing axle to have
One end side wall of contraction pole, the contraction pole is welded with geometrical clamp, and one end side wall of the fixing axle is welded with acoustic board, described
One end inner wall screw of acoustic board is fixed with fanning strip, and one end side wall glue connection of the fanning strip has expansion plate, the sound absorption
One end side wall of plate is connected with movable axis, and one end side wall of the movable axis is provided with wave-shape board.
Preferably, the sliding axle is slidably connected at the inside of sliding rail, and the inside of sliding rail is cavity structure.
Preferably, the bottom end side wall screw of the mounting base is fixed with damping device, and the damping device includes bullet
Property bar, and one end side wall of elastic rod is connected with placement plate, and the bottom end side wall of elastic rod is fixedly connected with spring.
Preferably, the expansion plate includes fixed block, and one end side wall screw of fixed block is fixed with tension block.
Preferably, the wave-shape board includes base and corrugated layer, and wave-shape board is trapezoidal wave structure, and wave-shape board
Surface offers sound-absorbing hole, and wave-shape board is made of elastic material.
Preferably, the surface of the noise reduction microwell plate offers bloop, and the thickness of noise reduction microwell plate plate is .mm, and
And the aperture of bloop is .mm.
Preferably, the quantity of the noise reduction microwell plate has two pieces, and damping noise-reducing layer is filled between noise reduction microwell plate, and
Damping noise-reducing layer is made of glass fibre cotton.
The utility model has the beneficial effects that：
1, the utility model can be made by the first telescopic rod, sliding axle and sliding rail according to the difference of environment
Noise reduction layer and acoustic board are mounted on the position of different height so that acoustic shielding device along subway is adapted to different peaces
Fill environment.
2, the utility model can make the sound absorption range of acoustic board expand, make the effect of sound absorption by expansion plate, contraction pole
Fruit is more preferable, can effectively reduce the influence brought to people's live and work.
3, the utility model is 0.8mm by noise reduction microwell plate plate thickness, and the aperture of bloop is 0.6mm, is all met micro-
The noise reduction principle of orifice plate sound absorption, and the damping noise-reducing layer in two pieces of noise reduction microwell plates can absorb direct sound wave, diffraction sound and anti-
Sound is penetrated, the effect of sound-absorbing is more preferable.
4, the utility model can be carried out quickly installation and torn open by convex block, concave block, inserted link and limiting plate to acoustic board
It unloads, can facilitate and the noise reduction object in noise reduction layer is replaced.
5, the utility model, the damping device under mounting base can effectively reduce subway during enforcement to sound-screen
It is endangered caused by covering device, can effectively increase the service life of acoustic shielding device.
Description of the drawings
Fig. 1 be the utility model proposes a kind of subway along use acoustic shielding device structural schematic diagram.
Fig. 2 be the utility model proposes a kind of subway along use acoustic shielding device noise reduction microwell plate structural schematic diagram.
Fig. 3 be the utility model proposes a kind of subway along use acoustic shielding device partial structurtes enlarged drawing.
In figure：1 mounting base, 2 fixed links, 3 first push-rod electric machines, 4 first telescopic rods, 5 sliding axles, 6 sliding rails, 7
Folding rod, 8 second push-rod electric machines, 9 second telescopic rods, 10 noise reduction layers, 11 noise reduction microwell plates, 111 bloops, 12 inserted links, 13 limits
Position plate, 14 handles, 15 concave blocks, 16 geometrical clamps, 17 wave-shape boards, 18 contraction poles, 19 fixing axles, 20 convex blocks, 21 acoustic boards, 22 sectors
Plate, 23 expansion plates, 231 fixed blocks, 232 tension blocks, 24 movable axis, 25 damping devices.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, acoustic shielding device, including mounting base 1, one end side wall of mounting base 1 are used along a kind of subway
Fixed link 2 is installed, the upper end side wall of fixed link 2 is equipped with the first push-rod electric machine 3, and one end side wall of the first push-rod electric machine 3 is lived
Dynamic to be connected with the first telescopic rod 4, one end side wall key connection of the first telescopic rod 4 has sliding axle 5, sliding axle 5 to be slidably connected at cunning
The inside in dynamic rail road 6, and the inside of sliding rail 6 is cavity structure, passes through the first telescopic rod 4, sliding axle 5 and sliding rail 6
Noise reduction layer 10 and acoustic board 21 can be made to be mounted on the position of different height according to the difference of environment so that along subway
Acoustic shielding device is adapted to different installation environments, and one end side wall pin connection of sliding axle 5 has folding rod 7, folding rod 7
One end side wall is welded with noise reduction layer 10, and the inner end side wall of noise reduction layer is equipped with the second push-rod electric machine 8, and the one of the second push-rod electric machine 8
End side wall is connected with the second telescopic rod 9, and one end side wall of noise reduction layer 10 is welded with noise reduction microwell plate 11, noise reduction microwell plate 11
Surface offer bloop 111, and the thickness of 11 plate of noise reduction microwell plate is 0.8mm, and the aperture of bloop 111 is
The quantity of 0.6mm, noise reduction microwell plate 11 have two pieces, and damping noise-reducing layer is filled between noise reduction microwell plate 11, and damping noise-reducing
Layer is made of glass fibre cotton, is 0.8mm by 11 plate thickness of noise reduction microwell plate, and the aperture of noise reduction 111 is 0.6mm, is all accorded with
The noise reduction principle of microwell plate sound absorption is closed, and the damping noise-reducing layer in two pieces of noise reduction microwell plates 111 can absorb direct sound wave, diffraction
The effect of sound and reflected sound, sound-absorbing is more preferable, and the inside of the second telescopic rod 9 is plugged with inserted link 12, one end side wall screw of inserted link 12
It is fixed with limiting plate 13, the top outer wall of inserted link 12 is welded with handle 14, and the outer end sidewall weld of noise reduction layer 10 has concave block 15, recessed
One end side wall of block 15 is connected with convex block 20, by convex block 20, concave block 15, inserted link 12 and limiting plate 13 can to acoustic board 21 into
Row quickly installation and dismounting, can facilitate and be replaced to the noise reduction object in noise reduction layer 10, one end side wall key of convex block 20
It is connected with fixing axle 19, one end side wall pin connection of fixing axle 19 has contraction pole 18, one end side wall of contraction pole 18 to be welded with admittedly
One end side wall of clamp 16, fixing axle 19 is welded with acoustic board 21, and one end inner wall screw of acoustic board is fixed with fanning strip 22, fan
One end side wall glue connection of shape plate 22 has an expansion plate 23, and expansion plate 23 includes fixed block 231, and the one end of fixed block 231
Wall screw is fixed with tension block 232, the sound absorption range of acoustic board 21 can be made to expand by expansion plate 23, contraction pole 18, made
The effect of sound absorption is more preferable, can effectively reduce the influence brought to people's live and work, and one end side wall of acoustic board 21 is lived
Dynamic to be connected with movable axis 24, one end side wall of movable axis 24 is provided with wave-shape board 17, and wave-shape board 17 includes base and corrugated layer, and
Wave-shape board 17 is trapezoidal wave structure, and the surface of wave-shape board 17 offers sound-absorbing hole, and wave-shape board 17 is elastic material system
It being fixed with damping device 25 at the bottom end side wall screw of, mounting base 1, damping device 25 includes elastic rod, and elastic rod
One end side wall is connected with placement plate, and the bottom end side wall of elastic rod is fixedly connected with spring, the damping under mounting base
Device 25 can effectively reduce subway harm caused by acoustic shielding device during enforcement, can effectively increase sound-screen
Cover the service life of device.
Embodiment：With in the installation process of acoustic shielding device along to subway, first first is adjusted according to installation environment
The height of telescopic rod 4, so that sliding axle 5 slides on sliding rail 6 so that folding rod 7 drives noise reduction layer 10 and sound absorption
Plate 21 is placed on different positions, and in use, the contraction pole 18 in acoustic board 21 is displaced outwardly, drive wave-shape board 17 to
Out-draw, since surface area is big, the area for the external sound that can be absorbed also will increase wave-shape board 17, and expansion plate 23 is also pulled outwardly
It stretches and absorbs greater area of outside noise, sound can pass in noise reduction layer 10, the micropore acoustical panel 11 in noise reduction layer 10 and resistance
Buddhist nun's noise reduction layer can absorb direct sound wave, diffraction sound and the reflected sound that subway generates in the process of running, it is made to reduce to both sides
The harm for the noise that resident and office space are brought, after noise reduction layer 10 has used certain service life, by convex block 20 with it is recessed
Block 15 separates, and contraction pole 18 is shunk so that acoustic board 21 and noise reduction layer 10 are separated, swing handle 14 so that inserted link 12 and the
Two telescopic rods 9 separate, using the second telescopic rod 9 shrink, by noise reduction layer 10 micropore acoustical panel 11 and damping noise-reducing layer change.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. using acoustic shielding device, including mounting base (1) along a kind of subway, which is characterized in that the one of the mounting base (1)
End side wall is equipped with fixed link (2), and the upper end side wall of the fixed link (2) is equipped with the first push-rod electric machine (3), and described first pushes away
One end side wall of bar motor (3) is connected with the first telescopic rod (4), and one end side wall key connection of the first telescopic rod (4) has cunning
One end side wall pin connection of moving axis (5), the sliding axle (5) has folding rod (7), one end sidewall weld of the folding rod (7)
There are noise reduction layer (10), the inner end side wall of the noise reduction layer that the second push-rod electric machine (8) is installed, second push-rod electric machine (8)
One end side wall is connected with the second telescopic rod (9), and one end side wall of the noise reduction layer (10) is welded with noise reduction microwell plate (11),
The inside of second telescopic rod (9) is plugged with inserted link (12), and one end side wall screw of the inserted link (12) is fixed with limiting plate
(13), the top outer wall of the inserted link (12) is welded with handle (14), and the outer end sidewall weld of the noise reduction layer (10) has concave block
(15), one end side wall of the concave block (15) is connected with convex block (20), and one end side wall key connection of the convex block (20) has fixation
One end side wall pin connection of axis (19), the fixing axle (19) has contraction pole (18), one end side wall weldering of the contraction pole (18)
It is connected to geometrical clamp (16), one end side wall of the fixing axle (19) is welded with acoustic board (21), one end inner wall of the acoustic board
Screw is fixed with fanning strip (22), and one end side wall glue connection of the fanning strip (22) has expansion plate (23), the acoustic board
(21) one end side wall is connected with movable axis (24), and one end side wall of the movable axis (24) is provided with wave-shape board (17).
2. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that the sliding axle (5) is sliding
The dynamic inside for being connected to sliding rail (6), and the inside of sliding rail (6) is cavity structure.
3. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that the mounting base (1)
Bottom end side wall screw be fixed with damping device (25), the damping device (25) includes elastic rod, and one end of elastic rod
Side wall is connected with placement plate, and the bottom end side wall of elastic rod is fixedly connected with spring.
4. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that expansion plate (23) packet
Fixed block (231) is included, and one end side wall screw of fixed block (231) is fixed with tension block (232).
5. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that wave-shape board (17) packet
Base and corrugated layer are included, and wave-shape board (17) is trapezoidal wave structure, and the surface of wave-shape board (17) offers sound-absorbing hole, and
Wave-shape board (17) is made of elastic material.
6. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that the noise reduction microwell plate
(11) surface offers bloop (111), and the thickness of noise reduction microwell plate (11) plate is 0.8mm, and bloop (111)
Aperture is 0.6mm.
7. using acoustic shielding device along a kind of subway according to claim 1, which is characterized in that the noise reduction microwell plate
(11) quantity has two pieces, and damping noise-reducing layer is filled between noise reduction microwell plate (11), and damping noise-reducing layer uses glass fibers
Vinylon and cotton blend is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025286.2U CN207749431U (en) | 2018-01-08 | 2018-01-08 | Acoustic shielding device is used along a kind of subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025286.2U CN207749431U (en) | 2018-01-08 | 2018-01-08 | Acoustic shielding device is used along a kind of subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207749431U true CN207749431U (en) | 2018-08-21 |
Family
ID=63152462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025286.2U Expired - Fee Related CN207749431U (en) | 2018-01-08 | 2018-01-08 | Acoustic shielding device is used along a kind of subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207749431U (en) |
-
2018
- 2018-01-08 CN CN201820025286.2U patent/CN207749431U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |