CN209892243U - Sound absorbing device for eliminating tunnel noise - Google Patents
Sound absorbing device for eliminating tunnel noise Download PDFInfo
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- CN209892243U CN209892243U CN201920300321.1U CN201920300321U CN209892243U CN 209892243 U CN209892243 U CN 209892243U CN 201920300321 U CN201920300321 U CN 201920300321U CN 209892243 U CN209892243 U CN 209892243U
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- noise
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- support housing
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Abstract
The utility model discloses a sound absorbing device for tunnel noise elimination, which comprises a sound absorbing clapboard and a sound absorbing ball body, wherein the sound absorbing clapboard is provided with a plurality of sound absorbing through holes, and the plurality of sound absorbing ball bodies are arranged on one side surface of the sound absorbing clapboard and respectively correspond to the plurality of sound absorbing through holes one by one; the amortization spheroid includes support housing and hollow rubber spheroid, and support housing is spherical, and hollow rubber spheroid is in support housing, and hollow rubber spheroid external surface is fixed with support housing's internal surface laminating, and hollow rubber spheroid inner wall is equipped with a plurality of evenly distributed's rubber arch, and support housing and hollow rubber spheroid same position are seted up into sound mouth, and every spheroidal sound mouth of advancing of amortization all is rather than the fixed intercommunication of inhaling the sound through-hole that corresponds respectively through coupling assembling. Can effectively eliminate the noise that produces in the tunnel, guarantee the noise reduction effect, in addition in case inhale the partial emergence of sound device and damage, need not whole change, only need to change the damage part and can accomplish the restoration of inhaling the sound device.
Description
Technical Field
The utility model relates to a inhale the sound device, specifically be an inhale sound device for tunnel noise elimination.
Background
The noise is the sound that the sound production body sent when making irregular vibration, should not but some sound in certain environment, can directly influence people's physical and mental health and mood after the noise generation. The tunnel is the effective and direct means through the massif at present stage, is used more and more in the engineering, nevertheless because the tunnel space is airtight, and the sound that the friction produced between automobile body and the air when the vehicle passes through can not in time spread, can form the noise in the short time, will lead to the influence that follow-up vehicle passed through like this. In order to reduce the noise in the tunnel, most of the acoustic boards used in the existing tunnel are porous media, which can play a role of noise reduction, but have the following disadvantages:
1. a large amount of noise cannot be absorbed in a short time, so that the noise is reflected back to the tunnel chamber, and secondary noise influence is caused on the tunnel;
2. once the sound-absorbing plate is damaged, the whole sound-absorbing plate needs to be replaced, so that the management cost is overhigh;
3. the sound-absorbing board only depends on the holes of the porous medium to reduce noise, so that the utilization rate of the board is low, and the noise reduction effect is poor.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides an inhale sound device for tunnel noise elimination can effectively eliminate the noise that produces in the tunnel, guarantees the noise reduction effect, in case inhale the partial damage that takes place of sound device in addition, need not the whole change, only need to change the damage part and can accomplish the restoration of inhaling sound device to reduce use cost.
In order to realize the purpose, the utility model discloses a technical scheme is: a sound absorption device for eliminating noise of a tunnel comprises a sound absorption clapboard and a sound absorption ball body,
the sound-absorbing partition plate is provided with a plurality of sound-absorbing through holes, the sound-absorbing balls are arranged on one side surface of the sound-absorbing partition plate and respectively correspond to the sound-absorbing through holes one by one;
the amortization spheroid includes support housing and hollow rubber spheroid, and support housing is spherical, and hollow rubber spheroid is in support housing, and hollow rubber spheroid external surface is fixed with support housing's internal surface laminating, and hollow rubber spheroid inner wall is equipped with a plurality of evenly distributed's rubber arch, and support housing and hollow rubber spheroid same position are seted up into sound mouth, and every spheroidal sound mouth of advancing of amortization all is rather than the fixed intercommunication of inhaling the sound through-hole that corresponds respectively through coupling assembling.
Furthermore, the connecting assembly consists of two connecting buckles, the two connecting buckles are symmetrically arranged on two sides of the sound-absorbing through hole, each connecting buckle consists of a connecting plate I and a connecting plate II, the lower end of each connecting plate I is fixed with the sound-absorbing partition plate, and the included angle between each connecting plate I and the sound-absorbing partition plate is 60 degrees; the lower extreme of connecting plate II is fixed in the upper end of connecting plate I, and the contained angle between connecting plate II and the connecting plate I is 120.
Furthermore, the sound inlet is in a horn shape from the hollow rubber ball body to the supporting shell.
Furthermore, a plurality of arc-shaped concave surfaces are formed in the other side surface of the sound-absorbing partition plate and correspond to the sound-absorbing through holes one by one, and the center of each arc-shaped concave surface is provided with the corresponding sound-absorbing through hole.
Furthermore, the supporting shell is an iron wire net ball body formed by iron wires in a net-shaped cross distribution mode.
Further, the rubber bumps are hemispherical.
Compared with the prior art, the utility model adopts the mode of combining the sound-absorbing baffle plate and the noise-reducing ball body, the noise generated in the tunnel enters the noise-reducing ball body through the sound-absorbing through holes on the sound-absorbing baffle plate, after the noise enters the interior of the noise-reducing ball body, the noise continuously vibrates and rubs with the inner wall of the rubber ball and the surface of the rubber bulge, so that the sound energy is continuously lost until the energy of the noise is completely consumed, thereby achieving the purpose of noise reduction, therefore, the utility model can effectively eliminate the noise generated in the tunnel, ensure the noise reduction effect, in addition, because each sound-absorbing through hole is provided with a sound-absorbing ball body and the sound-absorbing balls do not interfere with each other when in sound-absorbing work, therefore, once one of the silencing balls in the sound absorbing device is damaged, the sound absorbing device can be repaired only by replacing the damaged silencing ball without replacing the whole sound absorbing device, and therefore the use cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic structural diagram of a sound-absorbing sphere of the present invention;
fig. 4 is a schematic structural view of the middle connection buckle of the present invention.
In the figure: 1. inhale sound baffle, 1.1, inhale the sound through-hole, 1.2, convex concave surface, 2, amortization spheroid, 2.1, hollow rubber spheroid, 2.2, support shell, 2.3, rubber are protruding, 3, connect the buckle, 3.1, connecting plate I, 3.2, connecting plate II.
Detailed Description
The present invention will be further explained below.
As shown in the figure, the utility model comprises a sound-absorbing baffle plate 1 and a sound-deadening sphere 2,
the sound-absorbing partition plate 1 is provided with a plurality of sound-absorbing through holes 1.1, the noise-absorbing balls 2 are arranged in a plurality, and the noise-absorbing balls 2 are arranged on one side surface of the sound-absorbing partition plate 1 and respectively correspond to the sound-absorbing through holes 1.1 one by one;
Further, the connecting assembly is composed of two connecting buckles 3, the two connecting buckles 3 are symmetrically arranged on two sides of the sound-absorbing through hole 1.1, the connecting buckles 3 are composed of a connecting plate I3.1 and a connecting plate II 3.2, the lower end of the connecting plate I3.1 is fixed with the sound-absorbing partition plate 1, and an included angle between the connecting plate I3.1 and the sound-absorbing partition plate 1 is 60 degrees; the lower extreme of connecting plate II 3.2 is fixed in the upper end of connecting plate I3.1, and the contained angle between connecting plate II 3.2 and connecting plate I3.1 is 120. By adopting the arrangement of the angle, the installation between the silencing ball 2 and the sound-absorbing partition board 1 and the replacement when the damage occurs are convenient.
Furthermore, the sound inlet is in a horn shape from the hollow rubber ball 2.1 to the supporting shell 2.2. By adopting the structure, the noise entering amount is convenient, and a large amount of noise can enter the silencing ball body 2 in time when passing through.
Furthermore, a plurality of arc-shaped concave surfaces 1.2 are arranged on the other side surface of the sound-absorbing partition plate 1, the arc-shaped concave surfaces 1.2 correspond to the sound-absorbing through holes 1.1 one by one, and the center of each arc-shaped concave surface 1.2 is provided with the corresponding sound-absorbing through hole 1.1. By adopting the structure, the noise can be vibrated and rubbed with the arc concave surface 1.2 when reaching the sound-absorbing partition plate 1, so that preliminary sound energy reduction is carried out on the noise, and the noise is conveniently reduced after entering the silencing ball 2. Meanwhile, the sound-absorbing partition plate 1 also has the noise reduction function, and the utilization rate of materials is improved.
Further, the supporting shell 2.2 is an iron wire net ball body formed by iron wires in a net-shaped cross distribution mode.
Further, the rubber bumps 2.3 are hemispherical.
During the use, will the utility model discloses install on the tunnel inside wall, make and have the sound baffle 1 one side of inhaling of amortization spheroid 2 and be close to the tunnel inside wall, inhale 1 opposite side of sound baffle towards the tunnel inner space, when the vehicle produced the noise through the tunnel, the noise can be through inhaling a plurality of sound through-holes 1.1 of inhaling on the sound baffle 1 and get into respectively each amortization spheroid 2 that correspond, the noise gets into 2 inside backs of amortization spheroid, noise and hollow rubber spheroid 2.1's inner wall and the protruding 2.3 continuous vibration friction in surface of rubber, make its sound energy constantly lose, energy complete consumption to the noise, thereby reach and fall the mesh of making an uproar. In addition, each sound-absorbing through hole 1.1 is provided with a sound-absorbing ball 2, and each sound-absorbing ball 2 does not interfere with each other during the sound-absorbing operation, so that once one of the sound-absorbing devices is damaged, the sound-absorbing device can be repaired only by taking down and replacing the sound-absorbing ball 2 from the sound-absorbing partition plate 1.
Claims (6)
1. A sound absorption device for eliminating tunnel noise is characterized by comprising a sound absorption clapboard (1) and a sound absorption ball body (2),
the sound-absorbing partition plate (1) is provided with a plurality of sound-absorbing through holes (1.1), the noise-absorbing balls (2) are arranged in a plurality of numbers, and the noise-absorbing balls (2) are arranged on one side surface of the sound-absorbing partition plate (1) and respectively correspond to the sound-absorbing through holes (1.1) one by one;
amortization spheroid (2) are including support housing (2.2) and hollow rubber spheroid (2.1), support housing (2.2) are spherical, hollow rubber spheroid (2.1) are in support housing (2.2), and the laminating of the internal surface of hollow rubber spheroid (2.1) surface and support housing (2.2) is fixed, hollow rubber spheroid (2.1) inner wall is equipped with a plurality of evenly distributed's rubber arch (2.3), sound inlet is seted up to the same position of support housing (2.2) and hollow rubber spheroid (2.1), sound inlet of every amortization spheroid (2) all through coupling assembling rather than the fixed intercommunication of sound through-hole (1.1) of inhaling that corresponds respectively.
2. The sound absorption device for tunnel noise elimination according to claim 1, wherein the connection assembly is composed of two connection buckles (3), the two connection buckles (3) are symmetrically arranged on two sides of the sound absorption through hole (1.1), the connection buckles (3) are composed of a connection plate I (3.1) and a connection plate II (3.2), the lower end of the connection plate I (3.1) is fixed with the sound absorption partition plate (1), and an included angle between the connection plate I (3.1) and the sound absorption partition plate (1) is 60 degrees; the lower extreme of connecting plate II (3.2) is fixed in the upper end of connecting plate I (3.1), and the contained angle between connecting plate II (3.2) and connecting plate I (3.1) is 120.
3. Sound-absorbing device for noise cancellation in tunnels according to claim 1, characterized in that the sound inlet is flared from the hollow rubber sphere (2.1) towards the supporting shell (2.2).
4. The sound absorbing device for tunnel noise elimination according to claim 1, wherein a plurality of arc-shaped concave surfaces (1.2) are formed on the other side surface of the sound absorbing partition plate (1), the arc-shaped concave surfaces (1.2) correspond to the sound absorbing through holes (1.1) one by one, and the center of each arc-shaped concave surface (1.2) is the corresponding sound absorbing through hole (1.1).
5. Sound-absorbing device for noise elimination in tunnels according to claim 1, characterized in that the supporting shell (2.2) is a wire mesh sphere consisting of crossed wires in a net shape.
6. Sound-absorbing device for noise cancellation in tunnels according to claim 1, characterized in that the rubber bumps (2.3) are hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920300321.1U CN209892243U (en) | 2019-03-11 | 2019-03-11 | Sound absorbing device for eliminating tunnel noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920300321.1U CN209892243U (en) | 2019-03-11 | 2019-03-11 | Sound absorbing device for eliminating tunnel noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209892243U true CN209892243U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920300321.1U Expired - Fee Related CN209892243U (en) | 2019-03-11 | 2019-03-11 | Sound absorbing device for eliminating tunnel noise |
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| Country | Link |
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| CN (1) | CN209892243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882211A (en) * | 2019-03-11 | 2019-06-14 | 徐州工程学院 | A kind of sound arrester eliminated for Tunnel Noise |
| CN112709594A (en) * | 2020-11-19 | 2021-04-27 | 西华大学 | Bore and explode formula tunnel excavation auxiliary device |
-
2019
- 2019-03-11 CN CN201920300321.1U patent/CN209892243U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882211A (en) * | 2019-03-11 | 2019-06-14 | 徐州工程学院 | A kind of sound arrester eliminated for Tunnel Noise |
| CN109882211B (en) * | 2019-03-11 | 2024-06-11 | 徐州工程学院 | Sound absorbing device for eliminating tunnel noise |
| CN112709594A (en) * | 2020-11-19 | 2021-04-27 | 西华大学 | Bore and explode formula tunnel excavation auxiliary device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20210311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |