CN205822036U - Automatic deloading sound barrier - Google Patents
Automatic deloading sound barrier Download PDFInfo
- Publication number
- CN205822036U CN205822036U CN201620664281.5U CN201620664281U CN205822036U CN 205822036 U CN205822036 U CN 205822036U CN 201620664281 U CN201620664281 U CN 201620664281U CN 205822036 U CN205822036 U CN 205822036U
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- China
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- sound barrier
- sound
- top plate
- gas channel
- lower plywood
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Abstract
The utility model discloses a kind of automatic deloading sound barrier, including top plate, la m, lower plywood, pedestal and two root posts；Pedestal fixes on the ground, two root posts are separately fixed at pedestal two ends, top plate, la m and lower plywood are sequentially fixed between two root posts from top to bottom, described top plate and lower plywood are acoustic board, described la m is sound insulationg board, described la m is provided with multiple gas channel, and described gas channel is provided around annular air-pocket.This utility model eliminates the wind load adverse effect to sound barrier, decreases train parting and the fatigue rupture to noise barrier structure of the natural wind load, thus has reached to extend barrier structure maintenance cycle and the purpose in service life, is greatly saved use cost.
Description
Technical field
This utility model relates to, through the road of aerial conduction or the absorption of railway traffic noise or reflection unit, being specifically related to
A kind of automatic deloading sound barrier.
Background technology
Sound barrier, is mainly used in highway, highway, overhead composite road and the sound insulation and noise reducing of other noise source.At vapour
When car runs, noise jamming is maximum to social influence, has had a strong impact on the normal working and learning life of railway both sides resident.Institute
With, sound barrier is one of method of a kind of effective solution environmental noise of train pollution, and they are widely used in Along Railway ring
In border noise abatement engineering.
In the decades in past, the design of sound barrier mainly considers how to improve the performance of its sqouynd absorption lowering noise, substantial amounts of
Test method and numerical value Simulation Application are in the research of the sound insulation acoustically effective of sound barrier, and be thus born diversified sound-screen
Barrier.When the EMUs run at high speed are provided with the section of sound barrier by overpass when, the sky between vehicle and sound barrier
Between less, the air agitation between vehicle and sound barrier will aggravate, and forms strong train parting, produces air flowing, makes sound-screen
The air pressure on barrier surface changes, and sound barrier is produced impulsive force, and speed is the fastest, and air is the biggest to the impact of sound barrier.And
And impact recited above can reach in a flash, at certain, the maximum that this sound barrier can bear, it is easily caused in high-speed railway
Sound barrier with bolts occurs loosening after operation the most in succession and the phenomenon such as concrete Local Cracking occurs.Air
The fixing of sound barrier is not only had a negative impact by the impact to sound barrier, and easily causes the damage of sound barrier, affects sound
The service life of barrier.
Utility model content
The purpose of this utility model is to provide a kind of automatic deloading sound barrier, and this sound barrier can slow down train parting to sound
The impact of barrier, extends sound barrier service life.
For reaching above-mentioned purpose, base case of the present utility model is as follows: a kind of automatic deloading sound barrier, including pedestal and
Two root posts, described pedestal fixes on the ground, and two root posts are separately fixed at pedestal two ends；Also include top plate, la m
And lower plywood；Top plate, la m and lower plywood are sequentially fixed between two root posts from top to bottom, described top plate and lower floor
Plate is acoustic board, and described la m is sound insulationg board, and described la m is provided with multiple gas channel, around described gas channel
It is provided with annular air-pocket.
Operation principle of the present utility model and having the beneficial effect that: top plate and lower plywood can absorb with straight tackling make an uproar
Sound, plays soundproof effect.La m is sound insulationg board, it may have certain soundproof effect.La m is provided with gas channel, when
During vehicle travels, the air of its produced flowing can pass through from gas channel, reduces the air impact to sound barrier.At air-flow
Channel circumference is provided with annular air-pocket.When automobile driving speed is very fast, the air flowing of generation is acutely.Air is being led to by air-flow
During road, the pressure of annular air-pocket is increased, compresses annular air-pocket.Then annular air-pocket shrinks, and gas channel increases, and accelerates air stream
Dynamic, it is achieved be automatically adjusted the size of gas channel according to speed, reduce the impact that sound barrier is produced by air.And, air-flow
Passage can play connection sound barrier and automobile between space and external environment condition effect.When automobile high-speed crosses,
Can produce negative pressure between automobile and sound barrier, and gas channel can play connection effect, extraneous air can be led to by air-flow
Road enters in the space between automobile and sound barrier, weakens negative pressure, reduces the frequency that train parting produces.This utility model eliminates
The wind load adverse effect to sound barrier, decreases train parting and the fatigue rupture to noise barrier structure of the natural wind load, from
And reached to extend barrier structure maintenance cycle and the purpose in service life, it is greatly saved use cost.
Preferred version one: based on the preferred version of scheme, top plate and lower plywood be made up of inside and outside two-layer, outer layer
For sound-absorbing material, internal layer is sound barrier plastic-steel inner frame, and such steel inner frame plays and supports and fixing effect, it is ensured that top plate
Installing stable with lower plywood, sound-absorbing material then can play the effect of sound insulation.
Preferred version two: the preferably preferred version of, described pedestal is xoncrete structure, xoncrete structure jail
Gu, and there is soundproof effect.
Preferred version three: the preferably preferred version of two, top plate, the fixing of lower plywood utilize strap bolt angle of spot hole
Plate inner frame and column are connected by steel and bolt, the most easy to connect and easy for removal and installation.
Preferred version four: preferably three is preferred version, described sound-absorbing material is acoustical cotton, and acoustical cotton is the most perishable
Rotten, the corrosion of various fungus, acid, salt and Hydrocarbon can be resisted.
Preferred version five: the preferably preferred version of four, described gas channel cross section is polygon, i.e. air-flow
Passage has multiple, and sound wave can cut down acoustic wave energy through the reflection of multiple in gas channel after entering gas channel,
Weaken the propagation distance of sound wave, make soundproof effect more preferable.
Preferred version six: the preferably preferred version of five, described gas channel is prismatic table shape, because vehicle travels
During sound barrier, its direction travelled is usually fixing.The train parting direction i.e. produced also is fixing, and gas channel is made rib
Platform shape, then can reduce the air circulation of other direction.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model automatic deloading sound barrier embodiment.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: pedestal 10, lower plywood 20, la m 30, gas channel 31, annular gas
Capsule 32, top plate 40, column 50.
Embodiment is the most as shown in Figure 1: a kind of automatic deloading sound barrier, including top plate 40, la m 30, lower plywood
20, pedestal 10 and two root posts 50.Pedestal 10 is xoncrete structure, and it is firm that pedestal 10 fixes xoncrete structure on the ground, and
And there is soundproof effect.Two root posts 50 are separately fixed at pedestal 10 two ends, and top plate 40, la m 30 and lower plywood 20 are from upper
Being sequentially fixed under between two root posts 50, top plate 40 and lower plywood 20 are acoustic board, and la m 30 is sound insulationg board, in
Laminate 30 is provided with multiple gas channel 31, and gas channel 31 is provided around annular air-pocket 32.Top plate 40 and lower plywood 20 by
Inside and outside two-layer forms, and outer layer is sound-absorbing material, and internal layer is sound barrier plastic-steel inner frame, and such steel inner frame plays and supports and solid
Fixed effect, it is ensured that top plate 40 and lower plywood 20 are installed stable, and sound-absorbing material then can play the effect of sound insulation.This enforcement
In example, sound-absorbing material is acoustical cotton, and acoustical cotton imputrescibility can resist various microorganism, fungus, acid, salt and Hydrocarbon
Corrosion.Plate inner frame and column 50 are connected by top plate 40, the fixing angle steel utilizing strap bolt hole of lower plywood 20 and bolt,
The most easy to connect and easy for removal and installation.
Gas channel 31 cross section is hexagonal, i.e. gas channel 31 has multiple, and sound wave can after entering gas channel 31
With in gas channel 31 through the reflection of multiple, cut down acoustic wave energy, weaken the propagation distance of sound wave, make soundproof effect more
Good.Gas channel is prismatic table shape, because during vehicle travels sound barrier, its direction travelled is usually fixing.The row i.e. produced
Car wind direction is also fixing, and gas channel 31 is made prismatic table shape, then can reduce the air circulation of other direction.
Top plate 40 and lower plywood 20 can absorb noise with straight tackling, play soundproof effect.La m 30 is sound insulationg board,
Also there is certain soundproof effect.La m 30 is provided with gas channel 31, when vehicle travels, its produced flowing
Air can pass through from gas channel 31, reduces the air impact to sound barrier.It is provided around annular air-pocket 32 at gas channel 31.
When automobile driving speed is very fast, the air flowing of generation is acutely.Air is when by gas channel 31, to annular air-pocket 32
Pressure increases, and compresses annular air-pocket 32.Then annular air-pocket 32 shrinks, and gas channel 31 increases, and accelerates air flowing, it is achieved according to
Speed and be automatically adjusted the size of gas channel 31, reduce air impact that sound barrier is produced.And, gas channel can rise
To connection sound barrier and automobile between space and external environment condition effect.When automobile high-speed crosses, at automobile and sound-screen
Can produce negative pressure between barrier, and gas channel can play connection effect, extraneous air can be entered into by gas channel 31
In space between automobile and sound barrier, weaken negative pressure, reduce the frequency that train parting produces.This utility model eliminates wind load
Adverse effect to sound barrier, decreases train parting and the fatigue rupture to noise barrier structure of the natural wind load, thus reaches
Extend barrier structure maintenance cycle and the purpose in service life, be greatly saved use cost.
Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic is at this
Too much describe.It should be pointed out that, for a person skilled in the art, in the premise without departing from this utility model structure
Under, it is also possible to making some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without impact
The effect of this utility model enforcement and practical applicability.The protection domain that this application claims should be with the content of its claim
Being as the criterion, the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (7)
1. an automatic deloading sound barrier, including pedestal and two root posts, described pedestal fixes on the ground, and two root posts are respectively
It is fixed on pedestal two ends；It is characterized in that, also include top plate, la m and lower plywood；Top plate, la m and lower plywood from
Being sequentially fixed at down between two root posts, described top plate and lower plywood are acoustic board, and described la m is sound insulationg board,
Described la m is provided with multiple gas channel, and described gas channel is provided around annular air-pocket.
Automatic deloading sound barrier the most according to claim 1, it is characterised in that described top plate and lower plywood are by inside and outside
Two-layer forms, and outer layer is sound-absorbing material, and internal layer is sound barrier plastic-steel inner frame.
Automatic deloading sound barrier the most according to claim 2, it is characterised in that described pedestal is xoncrete structure.
4. according to the automatic deloading sound barrier described in Claims 2 or 3, it is characterised in that described top plate, lower plywood fixing
Strap bolt angle of spot hole steel and bolt is utilized plate inner frame and column to be connected.
Automatic deloading sound barrier the most according to claim 4, it is characterised in that described sound-absorbing material is acoustical cotton.
6. according to the automatic deloading sound barrier described in claim 1 or 3, it is characterised in that described gas channel cross section is in many
Limit shape.
Automatic deloading sound barrier the most according to claim 6, it is characterised in that described gas channel is prismatic table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664281.5U CN205822036U (en) | 2016-06-29 | 2016-06-29 | Automatic deloading sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620664281.5U CN205822036U (en) | 2016-06-29 | 2016-06-29 | Automatic deloading sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205822036U true CN205822036U (en) | 2016-12-21 |
Family
ID=57567209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620664281.5U Active CN205822036U (en) | 2016-06-29 | 2016-06-29 | Automatic deloading sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205822036U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049301A (en) * | 2016-06-29 | 2016-10-26 | 广州恒成智道信息科技有限公司 | Automatic load shedding sound barrier |
| CN108660956A (en) * | 2018-07-25 | 2018-10-16 | 中南大学 | Combined orbit traffic sound wind barrier |
| CN112813864A (en) * | 2020-07-03 | 2021-05-18 | 天工俐德科技发展有限公司 | Totally closed protective screen with anticollision function |
-
2016
- 2016-06-29 CN CN201620664281.5U patent/CN205822036U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049301A (en) * | 2016-06-29 | 2016-10-26 | 广州恒成智道信息科技有限公司 | Automatic load shedding sound barrier |
| CN106049301B (en) * | 2016-06-29 | 2018-07-03 | 广州恒成智道信息科技有限公司 | Automatic deloading sound barrier |
| CN108660956A (en) * | 2018-07-25 | 2018-10-16 | 中南大学 | Combined orbit traffic sound wind barrier |
| CN108660956B (en) * | 2018-07-25 | 2023-11-03 | 中南大学 | Combined track traffic sound and wind barrier |
| CN112813864A (en) * | 2020-07-03 | 2021-05-18 | 天工俐德科技发展有限公司 | Totally closed protective screen with anticollision function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |