CN204849619U - Compound absorbent lined barrier - Google Patents
Compound absorbent lined barrier Download PDFInfo
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- CN204849619U CN204849619U CN201520661991.8U CN201520661991U CN204849619U CN 204849619 U CN204849619 U CN 204849619U CN 201520661991 U CN201520661991 U CN 201520661991U CN 204849619 U CN204849619 U CN 204849619U
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- compound absorbent
- upper ledge
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Abstract
The utility model discloses a compound absorbent lined barrier, including the sound insulation module with fix the sound absorption module in sound insulation module one side, the sound absorption module is formed by a plurality of sound absorption unit longitudinal ties, the sound absorption unit includes frame and sound absorber, the frame includes upper ledge, lower frame and side frame, the sound absorber is packed and is closed the frame chamber that forms being enclosed by upper ledge, lower frame and side frame, the upper ledge is equipped with a mosaic structure, the lower frame is equipped with and corresponds and coordinate the 2nd mosaic structure who fixes a position with a mosaic structure, the utility model discloses a compound absorbent lined barrier, the sound absorption module adopts split type structure, through the mosaic structure of vertical adjacent frame, can realize vertical concatenation between the frame, and the sound absorption height can be adjusted moreover as required in the installation of not only being convenient for, dismantlement and transportation, and the commonality is strong, in addition, a mosaic structure and the 2nd mosaic structure make the concatenation of adjacent frame can the one -time -reach -place, improve the installation effectiveness, and the sound absorption unit after the concatenation can closely be laminated, improves the sound absorption effect.
Description
Technical field
The utility model relates to a kind of noise abatement facility, particularly the compound absorbent lined barrier of one.
Background technology
The importance of expressway construction to socio-economic development is self-evident, but along with extending in all direction and the raising of the wagon flow speed of a motor vehicle of road traffic, its side effect is also day by day obvious, and the most outstanding is exactly that the traffic flow that on the main line of communication, high-capacity and high-speed travels round the clock brings serious traffic noise pollution to the life of subjective reflection, working and learning environment.According to statistics, the main line of communication both sides ambient noise of China about about 80% is more than 70dB, and some is even more than 80dB.In urban, have 70% a daytime, night have the people of 61% to reflect the main cause of interference live and work is traffic noise.Traffic noise not only affects work and the life of people, but also directly has influence on economic development along the line, has influence on the land value around highway.Rough estimation, the economic loss that China causes because of traffic noise pollution is every year up to 21,600,000,000 yuans, and visible traffic noise pollution is not only a social concern, is also very important economic problems simultaneously.Therefore, while how developing highway construction, effectively reducing the important or sensitive target of the negative effect, particularly available protecting Highways ' of traffic noise and make it from the impact of traffic noise, is the important leverage realizing economy, social harmonious development.
For improvement traffic noise, sound barrier technology is often widely adopted because it is economical, effective.Usually produce between source and noise pollution sensitizing range at noise and sound barrier is set, for intercepting or absorbing noise, reduce sensitizing range noise pollution, reach the requirement of environmental protection.Existing absorbent lined barrier generally comprises sound insulation module and is fixed on the sound absorbing module of sound insulation module side, and sound absorbing module is monolithic construction, structure bulky, is not easy to dismounting, installs and transport.
Therefore, just need a kind of compound absorbent lined barrier, its structure is simple, is convenient to dismounting, installs and transport.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of compound absorbent lined barrier, and its structure is simple, is convenient to dismounting, installs and transport.
Compound absorbent lined barrier of the present utility model, comprise sound insulation module and the sound absorbing module being fixed on sound insulation module side, described sound absorbing module is longitudinally formed by connecting by multiple sound absorption unit, described sound absorption unit comprises framework and sound absorber, described framework comprises upper ledge, lower frame and side frame, described sound absorber is filled in the frame chamber enclosed by upper ledge, lower frame and side frame, and described upper ledge is provided with the first splicing construction, and described lower frame is provided with corresponding with the first splicing construction and coordinates second splicing construction of locating.
Further, described first splicing construction is the positive ledge structure formed by the upper surface portion epirelief of upper ledge, and described second splicing construction is the stage structure of falling from power convexed under the bottom surface section by lower frame.
Further, be provided with dividing plate in described frame chamber, described dividing plate embeds in sound absorber.
Further, the top of described dividing plate is connected with upper ledge, bottom is connected with lower frame, and the width of described dividing plate is less than the width of upper ledge and lower frame, and described dividing plate parallels with side frame.
Further, gap is provided with between described sound absorber and sound insulation module.
Further, described framework is made up of plastic-steel, aluminium alloys or glass fiber reinforced plastic, and described upper ledge, lower frame and side frame are fixedly connected with.
Further, described sound insulation module is reinforced concrete wall.
Further, this compound absorbent lined barrier also comprises the bearing base for supporting sound insulation module and sound absorbing module, and the longitudinal section of described bearing base is trapezoidal.
Further, described sound absorber is formed by adhesive bonds by rubber grain.
The beneficial effects of the utility model: compound absorbent lined barrier of the present utility model, sound absorbing module adopts split-type structural, namely sound absorbing module is longitudinally formed by connecting by multiple sound absorption unit, by the splicing construction of longitudinal adjacent frame, can realize longitudinal spliced between framework, not only be easy to install, dismantle and transport, and sound absorption height can be regulated as required, highly versatile; In addition, the first splicing construction and the second splicing construction enable the splicing one-time-reach-place of adjacent frame, and improve installation effectiveness, spliced sound absorption unit can fit tightly, and improve acoustically effective.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A place enlarged drawing in Fig. 1;
Fig. 3 is the perspective view of sound absorption unit of the present utility model;
Fig. 4 is the sectional drawing of sound absorption unit of the present utility model.
Detailed description of the invention
As shown in Figures 1 to 4: the compound absorbent lined barrier of the present embodiment, comprise sound insulation module 1 and the sound absorbing module 2 being fixed on sound insulation module 1 side, described sound absorbing module 2 is longitudinally formed by connecting by multiple sound absorption unit 21, described sound absorption unit 21 comprises framework and sound absorber 4, described framework comprises upper ledge 31, lower frame 32 and side frame 33, described sound absorber 4 is filled in by upper ledge 31, in the frame chamber that lower frame 32 and side frame 33 enclose, described upper ledge 31 is provided with the first splicing construction 31a, described lower frame 32 is provided with corresponding with the first splicing construction 31a and coordinates the second splicing construction 32a located, this compound absorbent lined barrier can be used as the unit piece that a lateral length is 1-4 rice, in use the bearing of trend of multiple compound absorbent lined barrier along highway is connected successively by H profile steel, wherein sound absorbing module 2 is located at the side of sound insulation module 1 towards noise source, and certain sound absorbing module 2 also symmetrical can be located at the both sides of sound insulation module 1, " multiple " in the present embodiment refer to two or more, sound insulation module 1 not only as the back up material of sound absorbing module 2, and can make acoustic energy be stopped in route of transmission and can not directly pass through, and sound insulation module 1 is preferably reinforced concrete wall, and it is easy to make, sound-insulation endergonic is good, sound insulation module 1 and sound absorbing module 2 between by existing connector as H profile steel, bolt etc. realizes fix, framework can adopt plastic-steel, aluminium alloys or glass fiber reinforced plastic to make, and described upper ledge 31, lower frame 32 and side frame 33 are fixedly connected with, and upper ledge 31, lower frame 32 and side frame 33 can be one-body molded, is conducive to the structural strength improving framework, ensures the firm of sound absorber 4, sound absorber 4 is porous material, and when sound wave incident sound absorber 4, due to the viscosity resistance of air, the vibration friction of air and hole wall, makes quite a few acoustic energy change into heat energy and be absorbed, and realizes sound absorption, sound absorbing module 2 adopts split-type structural, and namely sound absorbing module 2 is longitudinally formed by connecting, by the splicing construction of longitudinal adjacent frame by multiple sound absorption unit 21, can realize longitudinal spliced between framework, not only be easy to install, dismantle and transport, and sound absorption height can be regulated as required, highly versatile, in addition, the first splicing construction 31a and the second splicing construction 32a enables the splicing one-time-reach-place of adjacent frame, and improve installation effectiveness, spliced sound absorption unit 21 can fit tightly, and improves acoustically effective.
In the present embodiment, described first splicing construction 31a is the positive ledge structure formed by the upper surface portion epirelief of upper ledge 31, and described second splicing construction 32a is by the stage structure of falling from power convexed under the bottom surface section of lower frame 32; As shown in the figure, when ledge structure is set to two-stage step, positive ledge structure is " L " shape structure namely just, fall from power stage structure and inverted "L" shaped structure, in like manner can show that three grades with the relevant ledge structure of topping bar; This structure is conducive to the accurate splicing of adjacent frame, improves installation effectiveness; In upper ledge 31 and lower frame 32, the surface area of bossing and the surface area of non-bossing can be roughly equal, make the laminating of adjacent frame more firm.
In the present embodiment, be provided with dividing plate 5 in described frame chamber, described dividing plate 5 embeds in sound absorber 4; The setting of dividing plate 5 can not only improve frame strength, and dividing plate 5 plays connection sound absorber 4 but can not cut off the effect of sound absorber 4, is conducive to the structural stability and the stable connection degree that improve sound absorber 4; In the present embodiment, the top of described dividing plate 5 is connected with upper ledge 31, bottom is connected with lower frame 32, and the width of described dividing plate 5 is less than the width of upper ledge 31 and lower frame 32, and described dividing plate 5 parallels with side frame 33; In addition, dividing plate 5 also can be one-body molded with upper ledge 31, lower frame 32 and side frame 33.
In the present embodiment, between described sound absorber 4 and sound insulation module 1, be provided with gap 6; The back side of sound absorber 4 can be parallel to each other with the front of sound insulation module 1; This gap 6 is conducive to increasing sound insulation factor.
In the present embodiment, this compound absorbent lined barrier also comprises the bearing base 7 for supporting sound insulation module 1 and sound absorbing module 2, and the longitudinal section of described bearing base 7 is trapezoidal; Bearing base 7 also can be Reinforced Concrete Materials and makes, and trapezium structure is conducive to the load of disperseing sound insulation module 1 and sound absorbing module 2; Bearing base 7 can be one-body molded with sound insulation module 1, to simplify process of manufacture.
In the present embodiment, described sound absorber 4 is formed by adhesive bonds by rubber grain; Rubber grain is as porous material, it has good absorbent properties to more broadband sound, and rubber grain not fibre-bearing, for inert substance, under being chronically exposed to rugged environment condition, can not soaking into because of rainwater, dust and lose the function of its sound absorption, obviously be better than traditional sound absorption material, be a kind of real environment-friendly type sound absorption material, there is great environment, social and economic benefits and potentiality to be exploited; Rubber grain can derive from junked tire, " black pollution " problem of junked tire is solved again while stress release treatment pollutes, make " refuse " from highway be back to use highway again to get on, namely by carrying out fragmentation screening to junked tire, related die is then used to make sound absorber 4; Bonding adhesive can use polyurethane adhesive.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. a compound absorbent lined barrier, comprise sound insulation module and the sound absorbing module being fixed on sound insulation module side, it is characterized in that: described sound absorbing module is longitudinally formed by connecting by multiple sound absorption unit, described sound absorption unit comprises framework and sound absorber, described framework comprises upper ledge, lower frame and side frame, described sound absorber is filled in the frame chamber enclosed by upper ledge, lower frame and side frame, described upper ledge is provided with the first splicing construction, and described lower frame is provided with corresponding with the first splicing construction and coordinates second splicing construction of locating.
2. compound absorbent lined barrier according to claim 1, it is characterized in that: described first splicing construction is the positive ledge structure formed by the upper surface portion epirelief of upper ledge, described second splicing construction is the stage structure of falling from power convexed under the bottom surface section by lower frame.
3. compound absorbent lined barrier according to claim 1, is characterized in that: be provided with dividing plate in described frame chamber, and described dividing plate embeds in sound absorber.
4. compound absorbent lined barrier according to claim 3, is characterized in that: the top of described dividing plate is connected with upper ledge, bottom is connected with lower frame, and the width of described dividing plate is less than the width of upper ledge and lower frame, and described dividing plate parallels with side frame.
5. compound absorbent lined barrier according to claim 1, is characterized in that: be provided with gap between described sound absorber and sound insulation module.
6. compound absorbent lined barrier according to claim 1, it is characterized in that: described framework is made up of plastic-steel, aluminium alloys or glass fiber reinforced plastic, and described upper ledge, lower frame and side frame is fixedly connected with.
7. compound absorbent lined barrier according to claim 1, is characterized in that: described sound insulation module is reinforced concrete wall.
8. compound absorbent lined barrier according to claim 1, is characterized in that: this compound absorbent lined barrier also comprises the bearing base for supporting sound insulation module and sound absorbing module, and the longitudinal section of described bearing base is trapezoidal.
9. compound absorbent lined barrier according to claim 1, is characterized in that: described sound absorber is formed by adhesive bonds by rubber grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661991.8U CN204849619U (en) | 2015-08-28 | 2015-08-28 | Compound absorbent lined barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520661991.8U CN204849619U (en) | 2015-08-28 | 2015-08-28 | Compound absorbent lined barrier |
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| Publication Number | Publication Date |
|---|---|
| CN204849619U true CN204849619U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520661991.8U Active CN204849619U (en) | 2015-08-28 | 2015-08-28 | Compound absorbent lined barrier |
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| CN (1) | CN204849619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040604A (en) * | 2015-08-28 | 2015-11-11 | 招商局重庆交通科研设计院有限公司 | Composite sound absorption barrier |
| CN113178184A (en) * | 2021-05-24 | 2021-07-27 | 中国船舶重工集团公司第七一一研究所 | Sound insulation module and sound insulation device |
-
2015
- 2015-08-28 CN CN201520661991.8U patent/CN204849619U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040604A (en) * | 2015-08-28 | 2015-11-11 | 招商局重庆交通科研设计院有限公司 | Composite sound absorption barrier |
| CN113178184A (en) * | 2021-05-24 | 2021-07-27 | 中国船舶重工集团公司第七一一研究所 | Sound insulation module and sound insulation device |
| CN113178184B (en) * | 2021-05-24 | 2022-07-29 | 中国船舶重工集团公司第七一一研究所 | Sound insulation module and sound insulation device |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20170324 Address after: 400060 Chongqing City South District University Avenue, No. thirty-two, building 33 Patentee after: China Merchants Ecological Environmental Protection Technology Co., Ltd. Address before: 400067 Chongqing Nan'an District University Avenue, No. 33 Patentee before: China Merchants Chongqing Communications Research & Design Institute Co., Ltd. |