CN113550244A - Sound insulation device for expressway tunnel - Google Patents
Sound insulation device for expressway tunnel Download PDFInfo
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- CN113550244A CN113550244A CN202110877165.7A CN202110877165A CN113550244A CN 113550244 A CN113550244 A CN 113550244A CN 202110877165 A CN202110877165 A CN 202110877165A CN 113550244 A CN113550244 A CN 113550244A
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- 238000009413 insulation Methods 0.000 title claims abstract description 101
- 239000011521 glass Substances 0.000 claims abstract description 51
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 239000011491 glass wool Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 229920006264 polyurethane film Polymers 0.000 claims description 12
- 229920001225 polyester resin Polymers 0.000 claims description 9
- 239000004645 polyester resin Substances 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 18
- 230000008859 change Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 4
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- 238000005260 corrosion Methods 0.000 description 2
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- 238000001764 infiltration Methods 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0052—Grate-style, e.g. as wall facing
- E01F8/0058—Grate-style, e.g. as wall facing with damping material, e.g. rockwool, sand
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sustainable Development (AREA)
- Environmental & Geological Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a sound insulation device for an expressway tunnel, which comprises: the two sound insulation tunnels are respectively arranged at the inlet end and the outlet end of the tunnel; the sound insulation side plates are arranged on two sides of the sound insulation channel, first explosion-proof glass is mounted in the middle of each sound insulation side plate, a first connecting plate is arranged at one end of each sound insulation side plate, and a second connecting plate is arranged at the other end of each sound insulation side plate; the arc-shaped connecting plate is arranged at the upper end of the sound insulation side plate; the sound insulation top plate is positioned between the arc-shaped connecting plates, and second explosion-proof glass is arranged in the middle of the sound insulation top plate; the sound insulation board consists of an aluminum alloy louver board, a cavity, a wave crest sound absorption sponge, a superfine centrifugal glass wool board and a hot-dip galvanized plate. On the one hand, the blocking of noise at the entrance and the exit of the highway tunnel is realized, a good living environment is provided for surrounding residents, on the other hand, the gradual change adjustment of light in the channel is realized, and a buffer space is provided for the conversion of eye light of a driver.
Description
Technical Field
The invention relates to the technical field of expressway tunnels, in particular to a sound insulation device for an expressway tunnel.
Background
The highway tunnel is a passage specially used for automobile transportation. With the development of social economy and production, a great number of expressways appear, higher standards are provided for road construction technology, and the requirements for straight lines, gentle slopes, spacious road surfaces and the like are met. Therefore, when a road passes through a mountain area, the scheme of winding around the mountain is changed into a tunnel scheme in the past. The construction of the tunnel plays an important role in the aspects of improving the technical state of the highway, shortening the running distance, improving the transport capacity, reducing accidents and the like, a main building of the highway tunnel generally comprises a tunnel body, a lining and a tunnel door, and a clear tunnel is additionally built in a section where a tunnel opening is easy to collapse. The auxiliary structures of the tunnel include waterproof and drainage facilities, ventilation and lighting facilities, traffic signal facilities, emergency facilities, and the like.
However, the internal environment of the highway tunnel is narrow, large and small vehicles can generate large noise in the moving process, the noise is refracted continuously in the closed tunnel, the noise is often emitted at the entrance and the exit of the highway tunnel, serious noise pollution is caused to residents at two ends of the tunnel, in addition, the entrance and the exit of the tunnel are especially in an obvious illumination time period, the tunnel is dark, the light adjustment of pupils of people needs a certain time, the risk of rear-end collision easily occurs when the vehicles enter the tunnel, when the vehicles exit the tunnel, dazzling light cannot enable drivers to clearly know road information in front, and the driving risk is improved.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide a sound-insulating device for a highway tunnel, which, on the one hand, prevents noise at an entrance and an exit of the highway tunnel to provide a good living environment for surrounding residents, and on the other hand, achieves gradual change adjustment of light in a tunnel to provide a buffer space for light conversion of eyes of a driver, thereby improving driving safety.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
a sound insulating device for a highway tunnel, comprising:
the two sound insulation tunnels are respectively arranged at the inlet end and the outlet end of the tunnel;
the sound insulation side plates are arranged on two sides of the sound insulation channel, first explosion-proof glass is mounted in the middle of each sound insulation side plate, a plurality of pieces of first explosion-proof glass are arranged, the surface area of each first explosion-proof glass is gradually increased from one end close to the tunnel to the other end, the distance between every two adjacent pieces of first explosion-proof glass is gradually reduced from one end close to the tunnel to the other end, a first connecting plate is arranged at one end of each sound insulation side plate, and a second connecting plate is arranged at the other end of each sound insulation side plate;
the sound insulation side plate comprises an arc-shaped connecting plate, a sound insulation side plate and a sound insulation side plate, wherein the arc-shaped connecting plate is arranged at the upper end of the sound insulation side plate, the lower end and one side of the arc-shaped connecting plate are both provided with a lug, and the lug and the arc-shaped connecting plate are of an integral structure;
the sound insulation top plate is positioned between the arc-shaped connecting plates, a plurality of pieces of second explosion-proof glass are arranged in the middle of the sound insulation top plate, the surface area of the second explosion-proof glass is gradually increased from one end close to the tunnel to the other end, and meanwhile, the distance between every two adjacent pieces of second explosion-proof glass is gradually reduced from one end close to the tunnel to the other end;
the sound-proof board, it sets up respectively in the inside of sound insulation sideboard and sound insulation roof, the sound-proof board comprises aluminum alloy louver board, cavity, wave crest sound-absorbing sponge, superfine centrifugal glass cotton board and hot dip galvanized sheet.
Preferably, the inside of first connecting plate is provided with first spacing groove, the intermediate position play of first spacing groove is provided with first limiting plate, and first limiting plate extends to the outside of first connecting plate, the one end an organic whole of second connecting plate is provided with the second limiting plate, and the second limiting plate is provided with two, be provided with the second spacing groove between the second limiting plate, and the second spacing groove extends to the inside of second connecting plate, first limiting plate and the spacing groove looks adaptation of second, second limiting plate and the first spacing looks adaptation of first limiting plate, one side of first connecting plate is provided with the mounting hole, the inside of second spacing groove is provided with the screw hole, the outside of mounting hole is provided with locking bolt, and locking bolt passes the inside that the mounting hole extends to the screw hole.
Preferably, all be fixed with elastic steel plate between the one end of syllable-dividing sideboard and the first connecting plate and between the other end of syllable-dividing sideboard and the second connecting plate, and elastic steel plate is provided with six, and is adjacent all be provided with the second between the elastic steel plate and fill the sponge.
Preferably, the two sides of the first limiting plate and the inner wall of the second limiting plate are both provided with first filling sponges, and the first filling sponges are fixedly adhered to the first limiting plate and the second limiting plate respectively.
Preferably, the upper end of the sound insulation side plate is provided with a first groove, the lug at the lower end of the arc-shaped connecting plate is connected with the first groove through a clamping groove, the two sides of the sound insulation top plate are provided with second grooves, and the second grooves are connected with the lug at one end of the arc-shaped connecting plate in a sliding mode.
Preferably, the aluminum alloy louver board is located on the inner side of the sound insulation channel, the cavity is located inside the aluminum alloy louver board, the cavities are provided with a plurality of special-shaped structures, and the hot-galvanized plate is located on the outer side of the sound insulation channel.
Preferably, the wave crest sound-absorbing sponge is wrapped by a polyurethane film, and the polyurethane film is adhered and fixed with the aluminum alloy louver board through viscose.
Preferably, the superfine centrifugal glass wool board is wrapped with a polyester resin film, and the outer part of the polyester resin film is adhered and fixed with the hot-dip galvanized plate through an adhesive.
Preferably, sealing rubber strips are arranged around the first explosion-proof glass and the second explosion-proof glass and are respectively and fixedly connected with the sound insulation side plate and the sound insulation top plate, and a vacuum layer is arranged inside each of the first explosion-proof glass and the second explosion-proof glass.
Preferably, the bottom of the sound insulation side plate is provided with a mounting seat, and a plurality of fixing holes are formed in the mounting seat.
The invention at least comprises the following beneficial effects:
1. the invention is characterized in that the two ends of the highway tunnel are respectively provided with a sound insulation channel, the sound insulation channel is composed of sound insulation side plates, arc-shaped connecting plates and a sound insulation top plate, when the whole body is installed, the sound insulation side plates are firstly connected according to the length of the sound insulation channel, the two ends of the sound insulation side plates are provided with a first connecting plate and a second connecting plate in a sealing way, the first connecting plate at one end of one sound insulation side plate is aligned to the second connecting plate at one end of the other sound insulation side plate, the first connecting plate and the second connecting plate are inserted between the two, the first limiting plate gradually extends to the inside of the second limiting groove, the second limiting plate gradually extends to the inside of the first limiting groove, after the first connecting plate and the second connecting plate are completely extended to the inside, the first connecting plate and the second connecting plate are in a tight fit state, a locking bolt penetrates through the installation hole and extends to the inside of the threaded hole in a bolt rotating way, so as to realize the whole fixation and the reciprocating, the sound-insulating side plates are reasonably arranged on the two sides of the road according to the width of the highway tunnel, the base of the sound-insulating side plates is reinforced by bolts, the convex blocks at the lower ends of the arc-shaped connecting plates are aligned with the first grooves at the upper ends of the sound-insulating side plates and inserted after the reinforcement, and is fixed by bolts to provide a foundation for the installation of the sound-insulating top plate, then the sound-insulating top plate with proper width is selected, the second grooves at the two ends of the sound-insulating top plate are aligned with the convex blocks at the other end of the arc-shaped connecting plate to be inserted, and then the sound-insulating top plate is pushed to extend towards one end close to the tunnel so as to reciprocate, thus realizing the arrangement of the sound-insulating channel, through this kind of mounting means, package assembly only needs can realize through simple and easy grafting, saves more manpower, and installation cost obtains reducing, and overall connection structure is comparatively firm simultaneously, and difficult emergence is become flexible and is aroused collapsing.
2. The sound insulation side plate and the sound insulation plate in the sound insulation top plate are of a composite structure, the sound insulation plate is composed of an aluminum alloy louver plate, cavities, a polyurethane film, a wave crest sound absorption sponge, a superfine centrifugal glass cotton plate, a polyester resin film and a hot galvanized plate, the aluminum alloy louver plate is used as the inner wall of a sound insulation channel, uneven structures on the surface of the aluminum alloy louver plate can slow down continuous refraction of sound waves, so that the sound insulation channel can be favorably absorbed by the sound insulation cavity, absorbed noise enters the cavities, a plurality of cavities are of different structures, the transmission of the noise is carried out in a complex motion inside, mechanical energy is gradually converted into heat energy to form volume reduction, the wave crest sound absorption sponge is in a concave-convex wave shape, fine gaps and a half-open hole structure are fully filled inside, a large amount of injected sound wave energy can be absorbed, the sound wave is attenuated, the interference and the reverberation of reflected sound in the channel are reduced, and meanwhile, the polyurethane film is wrapped outside the wave crest sound absorption sponge, the superfine centrifugal glass wool board has the characteristics of flame retardance, no toxicity, corrosion resistance, small volume weight, low heat conductivity coefficient, strong chemical stability, low moisture absorption rate and good hydrophobicity, can effectively reduce the conduction of noise, and is coated by the polyester resin film on the surface, so that the surface of the superfine centrifugal glass wool board is smooth and glossy, creep resistance, fatigue resistance, abrasion resistance, water resistance and good sound absorption effect.
3. The first explosion-proof glass is arranged at the middle position of the sound-insulating side plate, the second explosion-proof glass is arranged at the middle position of the sound-insulating top plate, the number of the explosion-proof glasses is three, the adjacent explosion-proof glasses are of a vacuum structure, sound cannot be conducted in a vacuum environment, and therefore noise is further reduced, in the distribution of the explosion-proof glass at the outlet end of the tunnel, the surface area of the explosion-proof glass is gradually increased from one end close to the tunnel to the other end, meanwhile, the distance between the adjacent explosion-proof glasses is gradually reduced from one end close to the tunnel to the other end, under the distribution of the mode, when sunlight outside the sound-insulating channel irradiates the interior of the sound-insulating channel, the light brightness is gradually increased from one end close to the tunnel to the other end, when a vehicle passes through the sound-insulating channel, because the light in front of the eyes is gradually increased, pupils give time intervals which are gradually adjusted, the explosion-proof glass on the two sound insulation channels is symmetrically arranged at the entrance of the tunnel, so that the driving safety when the vehicle enters or exits the tunnel is further improved.
4. All be provided with first packing sponge through the inboard at the front and back end of first limiting plate and second limiting plate, first packing sponge is EVA rubber sponge, form the absorption treatment to the noise in the junction, avoid obtaining the holistic syllable-dividing effect of infiltration influence at installation edge noise, in addition first connecting plate and second connecting plate respectively with give sound insulation between the sideboard be provided with six elastic steel plate, elastic steel plate's elastic construction can give whole buffering at the junction, avoid leading to taking place to damage between the sideboard because of bad weather, it fills the sponge to have the second simultaneously between elastic steel plate, the sponge is also EVA rubber sponge is filled to the second, the buffering effect between the elastic steel plate has further been improved on the basis of absorbing the noise.
Drawings
FIG. 1 is a perspective view of the overall structure provided by the present invention;
FIG. 2 is a partial perspective view of a first connector plate and a second connector plate provided by the present invention;
FIG. 3 is a schematic view of a connection structure of a first connection plate and a second connection plate provided by the present invention;
FIG. 4 is a perspective view of a first blast-resistant glass mounting structure provided by the present invention;
FIG. 5 is a sectional view showing the internal structure of the acoustical panel provided by the present invention;
FIG. 6 is an enlarged view of a portion of the area A of FIG. 1 in accordance with the present invention;
fig. 7 is a partial enlarged view of the area B in fig. 1 according to the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1 to 7, a soundproof device for an expressway tunnel includes: the two sound insulation tunnels are respectively arranged at the inlet end and the outlet end of the tunnel;
the sound insulation side plates 1 are arranged on two sides of the sound insulation channel, first explosion-proof glass 5 is arranged in the middle of each sound insulation side plate 1, a plurality of first explosion-proof glasses 5 are arranged, the surface area of each first explosion-proof glass 5 is gradually increased from one end close to the tunnel to the other end, the distance between every two adjacent first explosion-proof glasses 5 is gradually reduced from one end close to the tunnel to the other end, a first connecting plate 9 is arranged at one end of each sound insulation side plate 1, and a second connecting plate 10 is arranged at the other end of each sound insulation side plate 1;
the sound insulation side plate comprises an arc-shaped connecting plate 2, wherein the arc-shaped connecting plate is arranged at the upper end of the sound insulation side plate 1, the lower end and one side of the arc-shaped connecting plate 2 are provided with lugs 7, and the lugs 7 and the arc-shaped connecting plate 2 are of an integral structure;
the sound insulation top plate 3 is positioned between the arc-shaped connecting plates 2, the second explosion-proof glass 6 is arranged in the middle of the sound insulation top plate 3, a plurality of second explosion-proof glasses 6 are arranged, the surface area of each second explosion-proof glass 6 is gradually increased from one end close to the tunnel to the other end, and meanwhile, the distance between every two adjacent second explosion-proof glasses 6 is gradually reduced from one end close to the tunnel to the other end;
and the sound insulation plates are respectively arranged inside the sound insulation side plate 1 and the sound insulation top plate 3 and consist of an aluminum alloy louver plate 23, a cavity 24, a wave crest sound absorption sponge 26, a superfine centrifugal glass wool plate 27 and a hot-dip galvanized plate 29.
In the scheme, on one hand, the blocking of the noise of the entrance and the exit of the highway tunnel is realized, a good living environment is provided for surrounding residents, on the other hand, the gradual change adjustment of the light in the channel is realized, a buffer space is provided for the conversion of the eye light of a driver, and the driving safety is improved.
In a preferred scheme, a first limiting groove 12 is formed in the first connecting plate 9, a first limiting plate 11 is arranged in the middle of the first limiting groove 12, the first limiting plate 11 extends to the outside of the first connecting plate 9, a second limiting plate 16 is integrally arranged at one end of the second connecting plate 10, the second limiting plates 16 are arranged in two numbers, a second limiting groove 15 is formed between the second limiting plates 16, the second limiting groove 15 extends to the inside of the second connecting plate 10, the first limiting plate 11 is matched with the second limiting groove 15, the second limiting plate 16 is matched with the first limiting plate 11, a mounting hole 14 is formed in one side of the first connecting plate 9, a threaded hole 17 is formed in the second limiting groove 15, a locking bolt 18 is arranged outside the mounting hole 14, and the locking bolt 18 penetrates through the mounting hole 14 and extends to the inside of the threaded hole 17.
In the above scheme, aim at the second connecting plate of another sound insulation sideboard one end with the first connecting plate of a sound insulation sideboard one end, peg graft between them, make first limiting plate extend to the inside of second spacing groove gradually, the second limiting plate extends to the inside of first spacing groove gradually, extend to inside back completely, first connecting plate is closely laminated state with the second connecting plate, utilize locking bolt to pass the mounting hole and extend to the inside of screw hole with bolt pivoted mode, realize holistic fixed, with this reciprocating, satisfy to reasonable length can.
In a preferred scheme, elastic steel plates 19 are fixedly arranged between one end of each sound-insulating side plate 1 and the first connecting plate 9 and between the other end of each sound-insulating side plate 1 and the second connecting plate 10, the number of the elastic steel plates 19 is six, and second filling sponges 20 are arranged between every two adjacent elastic steel plates 19.
In the above scheme, the elastic structure of elastic steel plate can give whole buffering at the junction, avoids leading to taking place to damage between the sideboard that gives sound insulation because of bad weather, and it fills the sponge to fill the second simultaneously between elastic steel plate, and the sponge is filled to the second is EVA rubber sponge, has further improved the buffering effect between the elastic steel plate on the basis of carrying out the absorption to the noise.
In an optimal scheme, the two sides of the first limiting plate 11 and the inner wall of the second limiting plate 16 are both provided with first filling sponges 13, and the first filling sponges 13 are respectively fixed to the first limiting plate 11 and the second limiting plate 16 in an adhesion manner.
In above-mentioned scheme, form the absorption processing to the noise in the junction, avoid obtaining the holistic syllable-dividing effect of infiltration influence at the noise of installation edge.
In an optimal scheme, the upper end of sound insulation sideboard 1 all is provided with first recess 8, and 2 lower extreme lugs 7 of arc connecting plate are connected through the draw-in groove with first recess 8, and the both sides of sound insulation roof 3 all are provided with second recess 30, and second recess 30 and 2 one end lugs 7 sliding connection of arc connecting plate.
In above-mentioned scheme, insert the first recess of arc connecting plate lower extreme alignment syllable-dividing sideboard upper end after the reinforcement to use the bolt to fix, for the installation of the roof that gives sound insulation provides the basis, later choose the roof that gives sound insulation of suitable width for use, aim at the lug of the arc connecting plate other end with the second recess at its both ends and insert, promote the roof that gives sound insulation afterwards, make its one end that is close to the tunnel extend, with this reciprocal, realize the setting to the passageway that gives sound insulation.
In a preferred scheme, the aluminum alloy louver plates 23 are located on the inner side of the sound insulation channel, the cavities 24 are located inside the aluminum alloy louver plates 23, the cavities 24 are provided with a plurality of special-shaped structures, and the hot-galvanized plates 29 are located on the outer side of the sound insulation channel.
In above-mentioned scheme, the aluminum alloy louver board is as the inner wall of sound insulation passageway, and the unevenness structure on its surface can slow down the continuous refraction of sound wave to be favorable to being absorbed by the chamber that gives sound insulation, absorptive noise enters into the cavity, and a plurality of cavities are opposite sex structure, make the transmission of noise do complicated motion in inside, turn into heat energy with mechanical energy gradually, form the reduction of volume.
In a preferable scheme, the exterior of the wave crest sound absorption sponge 26 is wrapped with a polyurethane film 25, and the polyurethane film 25 and the aluminum alloy louver board 23 are adhered and fixed through an adhesive.
In the scheme, the wave crest sound absorption sponge has the advantages that one surface of the wave crest sound absorption sponge is in a concave-convex wave shape, fine gaps and a half-open hole structure are filled inside the wave crest sound absorption sponge, a large amount of injected sound wave energy can be absorbed, the sound waves are attenuated, the interference and the reverberation of reflected sound in a channel are reduced, meanwhile, the polyurethane film wraps the outside of the wave crest sound absorption sponge, the polyurethane film has excellent waterproofness due to the continuity and the large surface tension of materials, the polyurethane film has excellent air permeability due to the hydrophilic soft segment type and proportion of the polyurethane film and the relative molecular mass of the soft segment, and the service life of the wave crest sound absorption sponge is effectively prolonged.
In a preferred embodiment, the superfine centrifugal glass wool plate 27 is wrapped with a polyester resin film 28, and the outer part of the polyester resin film 28 is adhered and fixed with the hot-dip galvanized plate 29 by an adhesive.
In the scheme, the superfine centrifugal glass wool board has the characteristics of flame retardance, no toxicity, corrosion resistance, small volume weight, low heat conductivity coefficient, strong chemical stability, low moisture absorption rate and good hydrophobicity, can effectively reduce the conduction of noise, and has smooth and glossy surface, creep resistance, fatigue resistance, friction resistance, water resistance and good sound absorption effect because the surface is wrapped by the polyester resin film.
In a preferred scheme, sealing rubber strips 21 are arranged around the first explosion-proof glass 5 and the second explosion-proof glass 6, the sealing rubber strips 21 are fixedly connected with the sound insulation side plate 1 and the sound insulation top plate 3 respectively, and a vacuum layer 22 is arranged inside each of the first explosion-proof glass 5 and the second explosion-proof glass 6.
In the scheme, in the distribution of the explosion-proof glass at the exit end of the tunnel, the surface area of the explosion-proof glass is gradually increased from one end close to the tunnel to the other end, and meanwhile, the distance between the adjacent explosion-proof glasses is also gradually reduced from one end close to the tunnel to the other end.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a highway is noise insulation for tunnel which characterized in that includes:
the two sound insulation tunnels are respectively arranged at the inlet end and the outlet end of the tunnel;
the sound insulation side plates are arranged on two sides of the sound insulation channel, first explosion-proof glass is mounted in the middle of each sound insulation side plate, a plurality of pieces of first explosion-proof glass are arranged, the surface area of each first explosion-proof glass is gradually increased from one end close to the tunnel to the other end, the distance between every two adjacent pieces of first explosion-proof glass is gradually reduced from one end close to the tunnel to the other end, a first connecting plate is arranged at one end of each sound insulation side plate, and a second connecting plate is arranged at the other end of each sound insulation side plate;
the sound insulation side plate comprises an arc-shaped connecting plate, a sound insulation side plate and a sound insulation side plate, wherein the arc-shaped connecting plate is arranged at the upper end of the sound insulation side plate, the lower end and one side of the arc-shaped connecting plate are both provided with a lug, and the lug and the arc-shaped connecting plate are of an integral structure;
the sound insulation top plate is positioned between the arc-shaped connecting plates, a plurality of pieces of second explosion-proof glass are arranged in the middle of the sound insulation top plate, the surface area of the second explosion-proof glass is gradually increased from one end close to the tunnel to the other end, and meanwhile, the distance between every two adjacent pieces of second explosion-proof glass is gradually reduced from one end close to the tunnel to the other end;
the sound-proof board, it sets up respectively in the inside of sound insulation sideboard and sound insulation roof, the sound-proof board comprises aluminum alloy louver board, cavity, wave crest sound-absorbing sponge, superfine centrifugal glass cotton board and hot dip galvanized sheet.
2. The sound insulation device for an expressway tunnel according to claim 1, wherein the first connection plate has a first stopper groove formed therein, a first stopper plate is provided at a middle position of the first stopper groove, the first limit plate extends to the outside of the first connecting plate, one end of the second connecting plate is integrally provided with a second limit plate, two second limit plates are arranged, a second limit groove is arranged between the two second limit plates and extends to the inside of the second connecting plate, the first limit plate is matched with the second limit groove, the second limit plate is matched with the first limit plate, one side of the first connecting plate is provided with a mounting hole, the inside of the second limiting groove is provided with a threaded hole, and a locking bolt is arranged outside the mounting hole and penetrates through the mounting hole to extend to the inside of the threaded hole.
3. The soundproof device for an expressway tunnel according to claim 2, wherein six elastic steel plates are fixedly provided between one end of the sound-insulating side plate and the first connecting plate and between the other end of the sound-insulating side plate and the second connecting plate, and a second filling sponge is provided between adjacent elastic steel plates.
4. The sound insulation device for the expressway tunnel according to claim 2, wherein first filling sponges are arranged on both sides of the first limiting plate and on the inner wall of the second limiting plate, and the first filling sponges are fixedly adhered to the first limiting plate and the second limiting plate respectively.
5. The sound-insulating device for expressway tunnels according to claim 1, wherein the sound-insulating side plates are each provided at an upper end thereof with a first groove, and the projections at the lower ends of the arc-shaped connecting plates are connected to the first grooves via a locking groove, and the sound-insulating top plate is provided at both sides thereof with second grooves slidably connected to the projections at one ends of the arc-shaped connecting plates.
6. The sound insulation device for the expressway tunnel according to claim 1, wherein the aluminum alloy louver plates are positioned on the inner side of the sound insulation channel, the cavities are positioned on the inner side of the aluminum alloy louver plates, a plurality of cavities are arranged, the cavities are of a special-shaped structure, and the hot-galvanized plates are positioned on the outer side of the sound insulation channel.
7. A sound-insulating device for a highway tunnel according to claim 1, wherein the exterior of the wave crest sound-absorbing sponge is wrapped with a polyurethane film, and the polyurethane film and the aluminum alloy louver board are adhered and fixed by an adhesive.
8. The sound-insulating device for the expressway tunnel according to claim 1, wherein the ultrafine centrifugal glass wool board is externally wrapped with a polyester resin film, and the outer part of the polyester resin film is adhered and fixed to the hot-galvanized plate by an adhesive.
9. A sound-insulating device for a highway tunnel according to claim 1, wherein sealing rubber strips are arranged around the first explosion-proof glass and the second explosion-proof glass, the sealing rubber strips are fixedly connected with the sound-insulating side plate and the sound-insulating top plate respectively, and a vacuum layer is arranged inside each of the first explosion-proof glass and the second explosion-proof glass.
10. The soundproof device for a highway tunnel according to claim 1, wherein the bottom of each of said soundproof side plates is provided with a mounting seat, and a plurality of fixing holes are provided in the inside of said mounting seat.
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| CN113550244B (en) | 2022-05-17 |
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