CN206607490U - Bridge denoising structure - Google Patents
Bridge denoising structure Download PDFInfo
- Publication number
- CN206607490U CN206607490U CN201720034611.7U CN201720034611U CN206607490U CN 206607490 U CN206607490 U CN 206607490U CN 201720034611 U CN201720034611 U CN 201720034611U CN 206607490 U CN206607490 U CN 206607490U
- Authority
- CN
- China
- Prior art keywords
- hush pipe
- hush
- millimeters
- backboard
- pipe
- 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
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a kind of bridge denoising structure, including:Backboard;Multiple first hush pipes and multiple second hush pipes, it is cylindrical-shaped structure closed at both ends, the two ends of first hush pipe and second hush pipe are fixed with two relative faces of the first extension board respectively, the axis of first hush pipe and second hush pipe is equal with the distance of the backboard, first hush pipe and second hush pipe setting alternating with each other;Multiple 3rd hush pipes and multiple 4th hush pipes, it is cylindrical-shaped structure, 4th hush pipe is coaxially disposed inside the 3rd hush pipe, the two ends of 3rd hush pipe and the 4th hush pipe are fixed with two relative faces of the second extension board respectively, and the axis of multiple 3rd hush pipes is equal with the distance of the backboard.The utility model is the sound barrier using porous sound absorption principle absorption of noise, has abandoned super glass wool, with the good feature of environmental protection, and with excellent soundproof effect.
Description
Technical field
The utility model is related to bridge noise reduction field.More specifically, the utility model is related to a kind of bridge denoising structure.
Background technology
Denoising structure stands on noise source and by the acoustical barriers between sound point, there is isolation well to imitate sonic propagation of making an uproar
Really.Denoising structure is an important measures of Noise measarement field of Environment Protection, in control traffic noise, man-made noise, ambient noise
In terms of played important function.Bridge denoising structure is provided in bridge both sides, isolates the noise that vehicle is produced on bridge,
Such as in urban transportation, denoising structure is set in the overpass both sides of residential neighborhood, it is to avoid resident is by vehicle and bridge floor
The harassing and wrecking of the noise of generation.But some denoising structures generally comprise backboard, panel and super glass wool, super glass wool at present
In the space for being filled in backboard and panel formation, super glass wool is easily cataclasm, easily fly upward, and being scattering into air can cause environment dirty
Dye.Accordingly, it is desirable to provide the bridge denoising structure that a kind of environmental pollution is small, acoustically effective is good.
Utility model content
A purpose of the present utility model is to provide bridge denoising structure, and it does not produce dust, and the feature of environmental protection is good, and absorbs sound
Effect is good.
In order to realize that there is provided a kind of bridge denoising structure, bag according to these purposes of the present utility model and further advantage
Include:
Backboard, it is oblong-shaped, and one first extension board, the backboard are extended in a pair of parallel side of the backboard
The parallel side of another pair extend one second extension board, first extension board and second extension board with the back of the body
Plate surface is vertical;
Multiple first hush pipes and multiple second hush pipes, it is cylindrical-shaped structure closed at both ends, and described first disappears
The two ends of sound cylinder and second hush pipe are fixed with two relative faces of the first extension board respectively, first hush pipe and institute
The axis for stating the second hush pipe is equal with the distance of the backboard, and first hush pipe is handed over each other with second hush pipe
For setting, the barrel thickness of first hush pipe is that the punching rate on 0.5-1 millimeters, the barrel of first hush pipe is 1-
5%, the barrel thickness of second hush pipe is that the punching rate on 0.5-0.8 millimeters, the barrel of second hush pipe is 3-
5%, 1.1-1.3 times of a diameter of first hush pipe diameter of second hush pipe;
Multiple 3rd hush pipes and multiple 4th hush pipes, it is cylindrical-shaped structure, and the 4th hush pipe is coaxially set
It is placed in inside the 3rd hush pipe, the two ends of the 3rd hush pipe and the 4th hush pipe extend with two second respectively
The relative face of plate is fixed, and the axis of multiple 3rd hush pipes is equal with the distance of the backboard, the cylinder of the 3rd hush pipe
Wall thickness is that the punching rate on 0.5-1 millimeters, the barrel of the 3rd hush pipe is 3-5%, and the barrel of the 4th hush pipe is thick
For 0.4-0.7 millimeters, the punching rate on the barrel of the 4th hush pipe is 3-5%, the radius ratio institute of the 3rd hush pipe
State the 4th hush pipe radius big 8-20 millimeters.
Preferably, described bridge denoising structure, in addition to:
Panel, it is that it is oblong-shaped, and four sides of the panel are respectively with two the first extension boards away from backboard
While and two the second extension boards remote backboard while fix, multiple fish scale holes are offered on the panel.
Preferably, the two ends of described bridge denoising structure, first hush pipe and second hush pipe with
One end of one first elastic is fixed, and the other end of first elastic is fixed with the described first extension plate surface;
The one end of the two ends of 3rd hush pipe and the 4th hush pipe with one second elastic is fixed, and described
The other end of two elastics is fixed with the described second extension plate surface.
Preferably, described bridge denoising structure, first hush pipe, second hush pipe and the described 3rd disappear
The aperture in hole is that the aperture in hole on 0.3-0.8 millimeters, the barrel of the 4th hush pipe is 0.3- on the barrel of the barrel of sound cylinder
0.6 millimeter.
Preferably, the material of described bridge denoising structure, first elastic and second elastic is soft
Property rubber.
Preferably, described bridge denoising structure, a diameter of 50 millimeters of first hush pipe, second noise reduction
A diameter of 60 millimeters of cylinder, a diameter of 80 millimeters of the 3rd hush pipe, a diameter of 60 millimeters of the 4th hush pipe, institute
The spacing for stating the axis of the second hush pipe and the axis of the 3rd hush pipe is 80 millimeters.
Preferably, described bridge denoising structure, the backboard, first extension board, second extension board and
The material of the panel is fiberglass.
The utility model at least includes following beneficial effect:
1st, the utility model is the sound barrier using porous sound absorption principle absorption of noise, has abandoned super glass wool, has had
The good feature of environmental protection, and with excellent soundproof effect.
2nd, the utility model realizes porous sound absorption using cylindric hush pipe, than disappearing for plane acoustical panel of the same area
Audio fruit is more preferable.
Further advantage of the present utility model, target and feature embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is vertical section schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
As shown in Figure 1, 2, the utility model provides a kind of bridge denoising structure, including:
Backboard 1, it is oblong-shaped, and one first extension board, the back of the body are extended in a pair of parallel side of the backboard 1
One second extension board is extended on the parallel side of another pair of plate 1, and first extension board and second extension board are and institute
State the surface of backboard 1 vertical;
Multiple first hush pipes 3 and multiple second hush pipes 4, it is cylindrical-shaped structure closed at both ends, described first
The two ends of hush pipe 3 and second hush pipe 4 are fixed with two relative faces of the first extension board respectively, first hush pipe
3 and second hush pipe 4 axis it is equal with the distance of the backboard 1, first hush pipe 3 and second noise reduction
Cylinder 4 is alternating with each other to be set, and the barrel thickness of first hush pipe 3 is on 0.5-1 millimeters, the barrel of first hush pipe 3
Punching rate is 1-5%, and the barrel thickness of second hush pipe 4 is on 0.5-0.8 millimeters, the barrel of second hush pipe 4
Punching rate is 3-5%, 1.1-1.3 times of a diameter of diameter of first hush pipe 3 of second hush pipe 4;
Multiple 3rd hush pipes 5 and multiple 4th hush pipes 6, it is cylindrical-shaped structure, and the 4th hush pipe 6 is coaxial
Be arranged inside the 3rd hush pipe 5, the two ends of the 3rd hush pipe 5 and the 4th hush pipe 6 respectively with two
The relative face of two extension boards is fixed, and the axis of multiple 3rd hush pipes 5 is equal with the distance of the backboard 1, and the described 3rd disappears
The barrel thickness of sound cylinder 5 is that the punching rate on 0.5-1 millimeters, the barrel of the 3rd hush pipe 5 is 3-5%, the 4th noise reduction
The barrel thickness of cylinder 6 is that the punching rate on 0.4-0.7 millimeters, the barrel of the 4th hush pipe 6 is 3-5%, the 3rd noise reduction
The radius of 4th hush pipe 6 described in the radius ratio of cylinder 5 is big 8-20 millimeters.
In the above-mentioned technical solutions, four sides of backboard 1 are each perpendicular to backboard 1 and extended perpendicularly outward, it is preferable that backboard 1,
A pair of first extension boards, a pair of second extension board compositions lack the cuboid of one side, the first hush pipe 3, the second hush pipe the 4, the 3rd
The hush pipe 5 of hush pipe 5 and the 3rd is arranged in the cuboid, is covered by five faces of cuboid, it is to avoid by wind
Rain is beaten and damaged.The plane that the axis of first hush pipe 3 and the second hush pipe 4 is constituted is parallel with backboard 1, the 3rd hush pipe 5
The plane that axis is constituted is also parallel with backboard 1, and the axis of the first hush pipe 3 is vertical with the axis of the 3rd hush pipe 5, i.e., originally
Utility model constitutes two groups of noise-reducing structures, and two groups of noise-reducing structures are mutually perpendicular to(as depicted in figs. 1 and 2), compared to
Homalographic plane acoustical panel (Equivalent toEach hush pipe is deployed), erasure effect of the present utility model is substantially more preferable, and this can
Can be because noise experienced more order of reflection in the utility model.Moreover, the utility model does not use superfine glass
Cotton, will not pollute to surrounding environment in use, with the feature of environmental protection well, and due to being not filled by superfine glass
The fillers such as cotton, the utility model is influenceed very little by moist, high temperature.Here, the first hush pipe 3, the second hush pipe 4,
The set-up mode phase of the aperture of micropore and set-up mode and microperforated panel in the prior art on three hush pipes 5 and the 4th hush pipe 6
Together, the setting of air layer is also same as the prior art.
In another technical scheme, described bridge denoising structure, in addition to:
Panel 2, it is that it is oblong-shaped, and four sides of the panel 2 are respectively with two the first extension boards away from backboard 1
While and two the second extension boards remote backboard 1 while fix, offer multiple fish scale holes on the panel 2.Panel 2 towards
Noise source, panel 2 constitutes a complete cuboid, fish scale hole with backboard 1, a pair of first extension boards and a pair of second extension boards
Non- noise enters the utility model and provides path, and fish scale hole can prevent rainwater, impurity from entering inside the utility model.
In another technical scheme, described bridge denoising structure, first hush pipe 3 and second hush pipe
The one end of 4 two ends with one first elastic 8 is fixed, the other end of first elastic 8 and the first extension board table
Face is fixed;
The one end of the two ends of 3rd hush pipe 5 and the 4th hush pipe 6 with one second elastic 7 is fixed, institute
The other end and the described second extension plate surface for stating the second elastic 7 are fixed.Here, the first elastic 8 and the second elastic 7 can
To protect hush pipe, vibrating effect can be improved again, improve noise dampening efficiency.
In another technical scheme, described bridge denoising structure, first hush pipe 3, second hush pipe 4
Aperture with hole on the barrel of the barrel of the 3rd hush pipe 5 is on 0.3-0.8 millimeters, the barrel of the 4th hush pipe 6
The aperture in hole is 0.3-0.6 millimeters.Here the preferred value in the aperture in hole on hush pipe, under the preferred value, this practicality are provided
New erasure effect is optimal.
In another technical scheme, described bridge denoising structure, first elastic 8 and second elastic
7 material is flexible rubber.Here there is provided the preferred material of elastic, when the utility model uses flexible rubber, noise reduction effect
It is really best.
In another technical scheme, described bridge denoising structure, a diameter of 50 millimeters of first hush pipe 3,
A diameter of 60 millimeters of second hush pipe 4, a diameter of 80 millimeters of the 3rd hush pipe 5, the 4th hush pipe 6
A diameter of 60 millimeters, the spacing of the axis of the axis of second hush pipe 4 and the 3rd hush pipe 5 is 80 millimeters.Here,
There is provided the preferred diameter and preferred spacing of each hush pipe, under these preferred values, erasure effect of the present utility model is optimal.
In another technical scheme, described bridge denoising structure, the backboard 1, first extension board, described
The material of two extension boards and the panel 2 is fiberglass.Here there is provided backboard 1, the first extension board, the second extension board and
The preferred material of panel 2, glass steel material is more suitable for the utility model compared to alloy material.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed to use, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (7)
1. a kind of bridge denoising structure, it is characterised in that including:
Backboard, it is oblong-shaped, and one first extension board is extended on a pair of parallel side of the backboard, the backboard it is another
One second extension board is extended on a pair of parallel side, first extension board and second extension board with the backboard table
Face is vertical;
Multiple first hush pipes and multiple second hush pipes, it is cylindrical-shaped structure closed at both ends, first hush pipe
Fixed respectively with two relative faces of the first extension board with the two ends of second hush pipe, first hush pipe and described
The axis of two hush pipes is equal with the distance of the backboard, first hush pipe with second hush pipe is alternating with each other sets
Put, the barrel thickness of first hush pipe is that the punching rate on 0.5-1 millimeters, the barrel of first hush pipe is 1-5%, institute
The barrel thickness for stating the second hush pipe is that the punching rate on 0.5-0.8 millimeters, the barrel of second hush pipe is 3-5%, described
1.1-1.3 times of a diameter of first hush pipe diameter of second hush pipe;
Multiple 3rd hush pipes and multiple 4th hush pipes, it is cylindrical-shaped structure, the 4th hush pipe be coaxially disposed in
Inside 3rd hush pipe, the two ends of the 3rd hush pipe and the 4th hush pipe respectively with two the second extension board phases
To face fix, the axis of multiple 3rd hush pipes is equal with the distance of the backboard, and the barrel of the 3rd hush pipe is thick
For 0.5-1 millimeters, the punching rate on the barrel of the 3rd hush pipe is 3-5%, and the barrel thickness of the 4th hush pipe is
0.4-0.7 millimeters, the punching rate on the barrel of the 4th hush pipe is 3-5%, described in the radius ratio of the 3rd hush pipe
4th hush pipe radius is big 8-20 millimeters.
2. bridge denoising structure as claimed in claim 1, it is characterised in that also include:
Panel, it is that it is oblong-shaped, four of the panel while respectively with two the first extension boards away from backboard while and
The side of the remote backboard of two the second extension boards is fixed, and multiple fish scale holes are offered on the panel.
3. bridge denoising structure as claimed in claim 1, it is characterised in that first hush pipe and second hush pipe
One end with one first elastic of two ends fix, the other end of first elastic is consolidated with the described first extension plate surface
It is fixed;
The one end of the two ends of 3rd hush pipe and the 4th hush pipe with one second elastic is fixed, second bullet
Property post the other end with described second extension plate surface fix.
4. bridge denoising structure as claimed in claim 1, it is characterised in that first hush pipe, second hush pipe
Aperture with hole on the barrel of the barrel of the 3rd hush pipe is hole on 0.3-0.8 millimeters, the barrel of the 4th hush pipe
Aperture be 0.3-0.6 millimeters.
5. bridge denoising structure as claimed in claim 3, it is characterised in that first elastic and second elastic
Material be flexible rubber.
6. bridge denoising structure as claimed in claim 1, it is characterised in that a diameter of 50 millimeters of first hush pipe,
A diameter of 60 millimeters of second hush pipe, a diameter of 80 millimeters of the 3rd hush pipe, the 4th hush pipe it is straight
Footpath is 60 millimeters, and the spacing of the axis of second hush pipe and the axis of the 3rd hush pipe is 80 millimeters.
7. bridge denoising structure as claimed in claim 2, it is characterised in that the backboard, first extension board, described
The material of two extension boards and the panel is fiberglass.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720034611.7U CN206607490U (en) | 2017-01-12 | 2017-01-12 | Bridge denoising structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720034611.7U CN206607490U (en) | 2017-01-12 | 2017-01-12 | Bridge denoising structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206607490U true CN206607490U (en) | 2017-11-03 |
Family
ID=60172882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720034611.7U Expired - Fee Related CN206607490U (en) | 2017-01-12 | 2017-01-12 | Bridge denoising structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206607490U (en) |
-
2017
- 2017-01-12 CN CN201720034611.7U patent/CN206607490U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20190112 |