CN212202082U - Noise reduction equipment in long-distance tunnel - Google Patents
Noise reduction equipment in long-distance tunnel Download PDFInfo
- Publication number
- CN212202082U CN212202082U CN201922158473.5U CN201922158473U CN212202082U CN 212202082 U CN212202082 U CN 212202082U CN 201922158473 U CN201922158473 U CN 201922158473U CN 212202082 U CN212202082 U CN 212202082U
- Authority
- CN
- China
- Prior art keywords
- sound
- tunnel
- seat
- wall
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model provides a noise reduction equipment in long distance tunnel. Noise reduction equipment in the long distance tunnel includes the highway, the top fixedly connected with tunnel outer wall of highway, the top of highway and the bottom fixedly connected with bearing frame that is located the tunnel outer wall, the top of bearing frame inner wall is from a left side to the even fixedly connected with connecting seat in the right side, the top of highway and the bottom fixedly connected with tunnel inner wall that is located the bearing frame, the top of bearing frame inner wall just is located two fixedly connected with inhales the sound seat between the relative one side of connecting seat. The utility model provides a noise reduction equipment in long distance tunnel carries out dual absorption to the noise of high frequency, has reduced noise pollution, does not influence driver and traveles in the tunnel, uses through the cooperation of inhaling the sound seat and inhaling the sound groove, absorbs the noise of low frequency, has improved the noise reduction effect, carries out better absorption to the noise in the tunnel, has maintained good traffic environment of traveling.
Description
Technical Field
The utility model relates to a technical field of making an uproar falls in the tunnel especially relates to a noise reduction equipment in long distance tunnel.
Background
The road traffic noise pollution is an important component of the urban traffic noise pollution, the road tunnel traffic noise is an important road traffic environmental pollution problem to be solved urgently at present, vehicles are used more and more frequently along with the development of the current society, and the noise in the tunnel is increased along with the increase of the traffic flow.
The existing tunnel has poor noise reduction effect on the noise generated by a vehicle in the use process, so that the noise in the tunnel is large, the correct judgment of a driver on the traffic condition is influenced, traffic accidents are easily caused, and the environment is greatly polluted.
Therefore, it is necessary to provide a noise reduction device in a long-distance tunnel to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a noise reduction equipment in long distance tunnel has solved prior art to the relatively poor problem of tunnel noise reduction effect.
For solving the technical problem, the utility model provides a noise reduction equipment in long distance tunnel includes the highway, the top fixedly connected with tunnel outer wall of highway, the top of highway and the bottom fixedly connected with bearing frame that is located the tunnel outer wall, the top of bearing frame inner wall is from a left side to the even fixedly connected with connecting seat in the right side, the top of highway and the bottom fixedly connected with tunnel inner wall that is located the bearing frame, the top of bearing frame inner wall just is located two fixedly connected with inhales the sound seat between the relative one side of connecting seat.
Preferably, the bottom of connecting seat runs through bearing frame and tunnel inner wall in proper order and extends to the bottom of tunnel inner wall, the bottom of inhaling the sound seat runs through bearing frame and tunnel inner wall in proper order and extends to the bottom of tunnel inner wall.
Preferably, the sound absorption seat is provided with a sound absorption groove, and the bottom of the sound absorption groove sequentially penetrates through the bearing frame and the inner wall of the tunnel and extends to the bottom of the inner wall of the tunnel.
Preferably, a fixed seat is fixedly connected between the connecting seat and the bottom of the sound absorption seat, and first sound insulation glass is arranged on one side of the fixed seat and between the connecting seat and the bottom of the sound absorption seat.
Preferably, the first mount pad of fixedly connected with between first sound proof glass's the bottom and the top of highway, first mount pad with inhale sound seat fixed connection, the opposite side of fixing base just is located the connecting seat and inhales and is provided with second sound proof glass between the bottom of sound seat.
Preferably, fixedly connected with second mount pad between second sound proof glass's the bottom and the top of highway, the second mount pad with inhale sound base fixed connection, first sound proof glass and second sound proof glass's bottom all is provided with the abatvoix.
Preferably, one side of the bottom of the first sound-proof glass is communicated with a first air exhaust pipe, one end of the first air exhaust pipe sequentially penetrates through the first sound-proof glass and one sound-absorbing plate and extends to the bottom of the sound-absorbing plate, and a first safety valve is arranged on the first air exhaust pipe.
Preferably, one side of the bottom of the second sound-proof glass is communicated with a second air exhaust pipe, one end of the second air exhaust pipe penetrates through the second sound-proof glass and the other sound-absorbing plate in sequence and extends to the bottom of the other sound-absorbing plate, and a second safety valve is arranged on the second air exhaust pipe.
Compared with the prior art, the utility model provides a noise reduction equipment in long distance tunnel has following beneficial effect:
the utility model provides a noise reduction equipment in long distance tunnel uses through two abatvoix, first sound proof glass and second sound proof glass's cooperation, carries out dual absorption to the noise of high frequency, has reduced noise pollution, does not influence driver in the tunnel and goes, uses through the cooperation of inhaling the sound seat and inhaling the sound groove, absorbs the noise of low frequency, has improved the noise reduction effect, carries out better absorption to the noise in the tunnel, has maintained good traffic driving environment.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a noise reduction device in a long-distance tunnel according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a partially enlarged schematic view of the structure shown at B in FIG. 1;
fig. 4 is a partially enlarged structural view of a portion C shown in fig. 1.
Reference numbers in the figures: 1. highway, 2, tunnel outer wall, 3, bearing frame, 4, connecting seat, 5, tunnel inner wall, 6, inhale sound seat, 7, inhale the sound groove, 8, abatvoix, 9, fixing base, 10, first sound-proof glass, 11, second sound-proof glass, 12, first mount pad, 13, second mount pad, 14, first relief valve, 15, second relief valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a noise reduction device in a long-distance tunnel according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of a portion A of FIG. 1; FIG. 3 is a partially enlarged schematic view of the structure shown at B in FIG. 1; fig. 4 is a partially enlarged structural view of a portion C shown in fig. 1. Noise reduction equipment in long distance tunnel includes highway 1, highway 1's top fixedly connected with tunnel outer wall 2, highway 1's top and the bottom fixedly connected with bearing frame 3 that is located tunnel outer wall 2, bearing frame 3 is used for carrying out the bearing to tunnel outer wall 2, the top of 3 inner walls of bearing frame is from a left side to the even fixedly connected with connecting seat 4 in the right side, the total amount of connecting seat 4 is nine, highway 1's top and the bottom fixedly connected with tunnel inner wall 5 that is located bearing frame 3, the top of 3 inner walls of bearing frame just is located two fixedly connected with inhales sound seat 6 between one side relatively of connecting seat 4, the total amount of inhaling sound seat 6 is six.
The bottom of connecting seat 4 runs through bearing frame 3 and tunnel inner wall 5 in proper order and extends to the bottom of tunnel inner wall 5, the bottom of inhaling sound seat 6 runs through bearing frame 3 and tunnel inner wall 5 in proper order and extends to the bottom of tunnel inner wall 5, the material that inhales sound seat 6 is the wood wool board, and the surface is porous, can noise absorption, inhale sound seat 6 thickness and be the quadruple of abatvoix 8, can absorb the noise of low frequency.
The sound absorption seat 6 is provided with sound absorption grooves 7, the total number of the sound absorption grooves 7 is twenty, the surface area of the sound absorption seat 6 is enlarged, more noises are absorbed, and the bottom of the sound absorption grooves 7 sequentially penetrates through the bearing frame 3 and the bottom of the tunnel inner wall and extends to the bottom of the tunnel inner wall 5.
One connecting seat 4 and one fixedly connected with fixing base 9 between the bottom of sound absorption seat 6, one side of fixing base 9 just is located connecting seat 4 and is provided with first sound-proof glass 10 between the bottom of sound absorption seat 6, first sound-proof glass 10 is vacuum toughened glass, and sound-proof effect is better.
Fixedly connected with second mount pad 13 between second sound proof glass 11's the bottom and highway 1's the top, second mount pad 13 with inhale sound 6 fixed connection, first sound proof glass 10 and second sound proof glass 11's bottom all is provided with abatvoix 8, abatvoix 8's material is high temperature resistant sound absorption foamed aluminium, and the surface is porous, and it is effectual to inhale the sound.
One side of the bottom of the first sound-proof glass 10 is communicated with a first air exhaust pipe 14, one end of the first air exhaust pipe 14 sequentially penetrates through the first sound-proof glass 10 and one sound-absorbing plate 8 and extends to the bottom of the sound-absorbing plate 8, a first safety valve 15 is arranged on the first air exhaust pipe 14, and the first air exhaust pipe 14 is connected with an external vacuum pump and used for exhausting air in the second sound-proof glass 11 to form a vacuum state.
One side of the bottom of the second sound-proof glass 11 is communicated with a second air exhaust pipe 16, one end of the second air exhaust pipe 16 penetrates through the second sound-proof glass 11 and the other sound-absorbing plate 8 in sequence and extends to the bottom of the other sound-absorbing plate 8, a second safety valve 17 is arranged on the second air exhaust pipe 16, and the second air exhaust pipe 16 is connected with an external vacuum pump and used for exhausting air in the second sound-proof glass 11 to form a vacuum state.
The utility model provides a noise reduction equipment's in long distance tunnel theory of operation as follows:
after a vehicle is introduced into the tunnel inner wall 5, the generated noise is firstly absorbed by the sound-absorbing plate 8, the sound-absorbing plate 8 is made of high-temperature-resistant sound-absorbing foam, the surface of the sound-absorbing plate is porous, sound transmission is caused, sound energy is consumed in a friction mode, and the purpose of sound reduction is achieved, the first air exhaust pipe 14 and the second air exhaust pipe 16 can be connected with an external vacuum pump, air in the first sound-insulating glass 10 and the second sound-insulating glass 11 is respectively exhausted by opening the first safety valve 15 and the second safety valve 17, when the interior is in a vacuum state, the first safety valve 15 and the second safety valve 17 are closed, so that the interior of the first sound-insulating glass 10 and the second sound-insulating glass 11 is kept in a vacuum state, the noise is insulated, the low-frequency sound is absorbed by the sound-absorbing seat 6, the sound-absorbing seat 6 is a wood wool board, the surface of the sound-absorbing seat is porous, the sound-absorbing seat is thick, the sound-absorbing seat has a, the bearing frame 3 bears the weight of the outer wall 2 of the tunnel and also bears the weight of the sound-absorbing seat 6 inside the tunnel.
Compared with the prior art, the utility model provides a noise reduction equipment in long distance tunnel has following beneficial effect:
through the cooperation of two abatvoix 8, first sound proof glass 10 and second sound proof glass 11, carry out dual absorption to the noise of high frequency, reduced noise pollution, do not influence driver in the tunnel and travel, use through the cooperation of inhaling sound seat 6 and inhaling sound groove 7, absorb the noise of low frequency, improved noise reduction effect, carry out better absorption to the noise in the tunnel, maintained good traffic environment of traveling.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A noise reduction device in a long distance tunnel, comprising a road (1), characterized in that: the utility model discloses a road sound absorbing structure, including the top fixedly connected with tunnel outer wall (2) of highway (1), the bottom fixedly connected with bearing frame (3) of the top of highway (1) and being located tunnel outer wall (2), the top of bearing frame (3) inner wall is from a left side to the even fixedly connected with connecting seat (4) in the right side, the top of highway (1) and being located the bottom fixedly connected with tunnel inner wall (5) of bearing frame (3), the top of bearing frame (3) inner wall and being located two fixedly connected with sound absorbing seat (6) between the relative one side of connecting seat (4).
2. The noise reduction equipment in the long-distance tunnel according to claim 1, wherein the bottom of the connecting seat (4) penetrates through the bearing frame (3) and the inner wall (5) of the tunnel in sequence and extends to the bottom of the inner wall (5) of the tunnel, and the bottom of the sound absorbing seat (6) penetrates through the bearing frame (3) and the inner wall (5) of the tunnel in sequence and extends to the bottom of the inner wall (5) of the tunnel.
3. The noise reduction equipment in the long-distance tunnel according to claim 2, wherein the sound absorption seat (6) is provided with a sound absorption groove (7), and the bottom of the sound absorption groove (7) sequentially penetrates through the bearing frame (3) and the inner wall of the tunnel and extends to the bottom of the inner wall (5) of the tunnel.
4. The noise reduction equipment in the long-distance tunnel according to claim 1, wherein a fixed seat (9) is fixedly connected between the bottom of one of the sound absorbing seats (6) and one of the connecting seats (4), and a first sound insulation glass (10) is arranged on one side of the fixed seat (9) and between the bottom of the sound absorbing seat (6) and the connecting seat (4).
5. Noise reduction equipment in long distance tunnel according to claim 4, characterized in that the first sound insulation glass (10) is fixed with the first mounting seat (12) between the bottom and the top of the road (1), the first mounting seat (12) is fixed with the sound absorption seat (6), the other side of the fixed seat (9) and between the connecting seat (4) and the bottom of the sound absorption seat (6) is provided with the second sound insulation glass (11).
6. The noise reduction equipment in the long-distance tunnel according to claim 5, wherein a second mounting seat (13) is fixedly connected between the bottom of the second sound-proof glass (11) and the top of the highway (1), the second mounting seat (13) is fixedly connected with the sound-absorbing seat (6), and the sound-absorbing plates (8) are arranged at the bottoms of the first sound-proof glass (10) and the second sound-proof glass (11).
7. The noise reduction equipment in the long-distance tunnel according to claim 6, wherein a first air exhaust pipe (14) is communicated with one side of the bottom of the first sound insulation glass (10), one end of the first air exhaust pipe (14) penetrates through the first sound insulation glass (10) and one sound absorption plate (8) in sequence and extends to the bottom of the sound absorption plate (8), and a first safety valve (15) is arranged on the first air exhaust pipe (14).
8. The noise reduction equipment in the long-distance tunnel according to claim 6, wherein a second air exhaust pipe (16) is communicated with one side of the bottom of the second sound insulation glass (11), one end of the second air exhaust pipe (16) penetrates through the second sound insulation glass (11) and the other sound absorption plate (8) in sequence and extends to the bottom of the other sound absorption plate (8), and a second safety valve (17) is arranged on the second air exhaust pipe (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922158473.5U CN212202082U (en) | 2019-12-05 | 2019-12-05 | Noise reduction equipment in long-distance tunnel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922158473.5U CN212202082U (en) | 2019-12-05 | 2019-12-05 | Noise reduction equipment in long-distance tunnel |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212202082U true CN212202082U (en) | 2020-12-22 |
Family
ID=73806393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922158473.5U Expired - Fee Related CN212202082U (en) | 2019-12-05 | 2019-12-05 | Noise reduction equipment in long-distance tunnel |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212202082U (en) |
-
2019
- 2019-12-05 CN CN201922158473.5U patent/CN212202082U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105803965B (en) | A kind of broadband sound absorption cell board | |
CN104071092A (en) | Layered composite light acoustical material for rail train | |
CN212202082U (en) | Noise reduction equipment in long-distance tunnel | |
CN208501529U (en) | A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway | |
CN211228189U (en) | High-efficient syllable-dividing blocks sound barrier | |
CN203186250U (en) | Light layered composite acoustic material for railway train | |
CN215475396U (en) | Car wheel casing sound absorption noise reduction device and vehicle | |
JPH06156276A (en) | Silencer device of car | |
CN214164887U (en) | Noise-reduction interior trim system for special vehicle cab | |
CN209277027U (en) | A kind of high speed railway sound barrier reducing high-speed rail train travel resistance | |
CN210421473U (en) | High-temperature-resistant impedance combined broadband sound absorber for machine room | |
CN112323545A (en) | Track damping device with air spring structure for subway | |
CN109723621B (en) | Noise reduction structure of air conditioning system | |
CN216267953U (en) | Sound insulation combined plate structure for wheel area of intelligent rail train | |
CN204940146U (en) | A kind of fastening type high speed railway sound barrier | |
CN101905677A (en) | Sound-insulation structure of engine compartment | |
CN111994103B (en) | Full-floating building carriage structure and railway vehicle | |
CN220133151U (en) | Sound insulation board using melamine foam | |
CN214450923U (en) | Noise-reducing and waste-discharging structure of railway vehicle | |
CN215706105U (en) | Sound insulation board for noise reduction of carriage | |
CN201007417Y (en) | Vibration reduction isolator for vehicle mounted electric generating set | |
CN212079426U (en) | Rear partition plate of automobile silencer | |
CN217532762U (en) | Sound insulation device under passageway in car | |
CN211685088U (en) | Rail vehicle floor bearing structure | |
CN220220623U (en) | Automobile front wall sound absorption pad |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 Termination date: 20211205 |