CN204875576U - Protective screen is handled to wedge noise - Google Patents
Protective screen is handled to wedge noise Download PDFInfo
- Publication number
- CN204875576U CN204875576U CN201520430165.2U CN201520430165U CN204875576U CN 204875576 U CN204875576 U CN 204875576U CN 201520430165 U CN201520430165 U CN 201520430165U CN 204875576 U CN204875576 U CN 204875576U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- plate
- arrangement cover
- wedge
- noise
- 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
Landscapes
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model provides a protective screen is handled to wedge noise, includes a plurality of amortization wedges and noise elimination sheet metal, the noise elimination sheet metal includes mounting substrate and micropore sheet metal, peripheral support is rectangular bodily form structure, the amortization wedge is including apron surface course and porous noise elimination material, the apron surface course includes first V -arrangement apron, second V -arrangement apron, bottom plate, first curb plate, second curb plate, second V -arrangement apron place in in the inner chamber of first V -arrangement apron. The in -process that passes through at train or car, will propagate the amortization wedge by its noise that sends on to by its absorption, and being absorbed complete low frequency noise by the amortization wedge and getting into the noise elimination sheet metal, relict low frequency noise is completely by its absorption behind the noise elimination sheet metal, and can not pass through resident's side again, thereby has reduced the high frequency of resident's side and the energy of low -frequency noise, has improved the the noise reduction effect of noise.
Description
Technical field
The utility model belongs to technical field of environmental protection facilities, particularly a kind of wedge noise treatment barrier.
Technical background
At present, along with the continuous expansion of city size and the develop rapidly of urban construction, many residential quarters are built by urban expressway or high-speed railway rail.But the development of adjoint China railways and city expressway, train running speed improves constantly, and the vehicle flowrate of highway increases day by day, and the pollution of traffic noise receives much concern, urgently to be resolved hurrily.Sound barrier, as a kind of effective, economic noise reduction means, adopts more, how to have effectively utilized this noise reduction measure, made it give play to maximum techno-economic effect, have great significance for the quality of life improving people in railroad noise is administered.
Summary of the invention
The present invention discloses a kind of wedge noise treatment barrier according to the deficiencies in the prior art, it adopts the acoustical lining and the metal wedge of band cavity that can produce resonance, is applicable to noise abatement in urban traffic, has better sound insulation value, the noise treatment barrier of more convenient mounting structure.
The utility model is realized by following scheme, and a kind of wedge noise treatment barrier, comprises multiple noise reduction wedge 1 and noise elimination thin plate; Described noise elimination thin plate comprises mounting baseplate 2 and porous plate 3; Described mounting baseplate 2 is body structure, and described porous plate 3 is arranged on the opening part of described mounting baseplate 2 side, the lumen loading porous absorption material between described mounting baseplate 2 and porous plate 3; Described noise reduction wedge 1 comprises cover plate surface layer and porous sound absorbing materials, described cover plate surface layer comprises the first V-arrangement cover plate 4, second V-arrangement cover plate 5, base plate 8, first side plate 6, second side plate 7, described second V-arrangement cover plate 5 is positioned in the inner chamber of described first V-arrangement cover plate 4, and the center line of described first V-arrangement cover plate 4 overlaps with the center line of the second V-arrangement cover plate 5; Described base plate 8 one end connects described first V-arrangement cover plate 4, and its other end connects described second V-arrangement cover plate 5; Described first side plate 6 and the second side plate 7 connecting bottom board 8, first V-arrangement cover plate 4 and the second V-arrangement cover plate 5 respectively; Described first V-arrangement cover plate 4, second V-arrangement cover plate 5, first side plate 6 and the second side plate 7 all have aperture 9; Porous sound absorbing materials is filled with in chamber between described first V-arrangement cover plate 4, second V-arrangement cover plate 5; Described noise reduction wedge 1 also comprises hook 9, and described hook 9 is fixedly installed on the dual-side of base plate 8, and described noise reduction wedge is fixed on described mounting baseplate 2 by hook 9; Described noise reduction wedge 1 is according to being fixed on side exterior surface relative with porous plate 3 on described mounting baseplate 2 of broken line vertical interlaced on pinnacle.
Further, the thickness of described porous plate 3 is 15mm, and on porous plate, the diameter in hole is 2mm, and is uniformly distributed.
Further, on described first V-arrangement cover plate 4, the aperture in hole is 2-6mm, and pitch of holes is 2-5mm.
Further, on described second V-arrangement cover plate 5, the aperture in hole is 3-5mm, and pitch of holes is 3-4mm.
Further, described first V-arrangement cover plate 4 is 2:1 with the ratio of the height of described second V-arrangement cover plate 5.
Further, the perforated percentage of described first V-arrangement cover plate 4, second V-arrangement cover plate 5, first side plate 6 and the second side plate 7 is 30%-43%
Further, the porous sound absorbing materials of filling in the chamber between described first V-arrangement cover plate 4, second V-arrangement cover plate 5 is centrifugally glass-wool or rock wool.
The utility model has following beneficial effect: (1) makes noise obtain larger decay by energy after noise elimination thin plate and noise reduction wedge, limits the energy that noise arrives opposite side to greatest extent, reaches the object abated the noise; (2) wedge absorber is by arranging cavity in wedge inside, is significantly improved the effect of low-frequency sound absorption of wedge by resonance sound-absorbing, improves the sound absorbing capabilities of wedge greatly; (5) overall appearance of wedge absorber is more smooth, and overall structure is firmer, avoids the distortion of long-time suspension and generation; (4) the utility model adopts porous absorption material to fill, and avoids wedge inside and occurs cavity and problem that the acoustical behavior that causes declines.
Accompanying drawing explanation
Fig. 1 is the elevation of the utility model wedge noise treatment barrier;
Fig. 2 is the top view of the utility model wedge noise treatment barrier;
Fig. 3 is the structural representation of sound absorption wedge in the utility model wedge noise treatment barrier;
Fig. 4 is the sectional view of sound absorption wedge in the utility model wedge noise treatment barrier.
Wherein, 1. noise reduction wedge, 2. mounting baseplate, 3. porous plate, 4. the first V-arrangement cover plate, 5. the second V-arrangement cover plate, 6. the first side plate, 7. the second side plate, 8. base plate, 9. wedge.
Detailed description of the invention
See Fig. 1-4, a kind of wedge noise treatment barrier, comprises multiple noise reduction wedge 1 and noise elimination thin plate; Described noise elimination thin plate comprises mounting baseplate 2 and porous plate 3; Described mounting baseplate 2 is body structure, and described porous plate 3 is arranged on the opening part of described mounting baseplate 2 side, the lumen loading porous absorption material between described mounting baseplate 2 and porous plate 3; Described noise reduction wedge 1 comprises cover plate surface layer and porous sound absorbing materials, described cover plate surface layer comprises the first V-arrangement cover plate 4, second V-arrangement cover plate 5, base plate 8, first side plate 6, second side plate 7, described second V-arrangement cover plate 5 is positioned in the inner chamber of described first V-arrangement cover plate 4, and the center line of described first V-arrangement cover plate 4 overlaps with the center line of the second V-arrangement cover plate 5; Described base plate 8 one end connects described first V-arrangement cover plate 4, and its other end connects described second V-arrangement cover plate 5; Described first side plate 6 and the second side plate 7 connecting bottom board 8, first V-arrangement cover plate 4 and the second V-arrangement cover plate 5 respectively; Described first V-arrangement cover plate 4, second V-arrangement cover plate 5, first side plate 6 and the second side plate 7 all have aperture 9; Porous sound absorbing materials is filled with in chamber between described first V-arrangement cover plate 4, second V-arrangement cover plate 5; Described noise reduction wedge 1 also comprises hook 9, and described hook 9 is fixedly installed on the dual-side of base plate 8, and described noise reduction wedge is fixed on described mounting baseplate 2 by hook 9; Described noise reduction wedge 1 is according to being fixed on side exterior surface relative with porous plate 3 on described mounting baseplate 2 of broken line vertical interlaced on pinnacle.
The thickness of described porous plate 3 is 15mm, and on porous plate, the diameter in hole is 2mm, and is uniformly distributed.
On described first V-arrangement cover plate 4, the aperture in hole is 2-6mm, and pitch of holes is 2-5mm.
On described second V-arrangement cover plate 5, the aperture in hole is 3-5mm, and pitch of holes is 3-4mm.
Described first V-arrangement cover plate 4 is 2:1 with the ratio of the height of described second V-arrangement cover plate 5.
The perforated percentage of described first V-arrangement cover plate 4, second V-arrangement cover plate 5, first side plate 6 and the second side plate 7 is 30%-43%
The porous sound absorbing materials of filling in the chamber between described first V-arrangement cover plate 4, second V-arrangement cover plate 5 is centrifugally glass-wool or rock wool.
The operating principle of the wedge noise treatment barrier that the utility model provides is: first by this double-face sound-absorbing barrier with the side of wedge absorber 1 towards railway or expressway, by porous plate 3 towards residential building.In the process that train or automobile pass through, the noise sent by it will propagate on noise reduction wedge 1, and be absorbed, and such structure can improve the energy attenuation of noise greatly.And do not absorbed low frequency noise completely by noise reduction wedge 1 and enter noise elimination thin plate 3, remaining low frequency noise is absorbed completely after noise elimination thin plate 3, and resident side can not be transmitted to again, thus decrease the energy of the High-frequency and low-frequency noise of resident side, improve the noise reduction of noise.
Described embodiment is preferred embodiment of the present invention; but the utility model is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (7)
1. a wedge noise treatment barrier, is characterized in that, comprises multiple noise reduction wedge (1) and noise elimination thin plate; Described noise elimination thin plate comprises mounting baseplate (2) and porous plate (3); Described mounting baseplate (2) is body structure, described porous plate (3) is arranged on the opening part of described mounting baseplate (2) side, the lumen loading porous absorption material between described mounting baseplate (2) and porous plate (3); Described noise reduction wedge (1) comprises cover plate surface layer and porous sound absorbing materials, described cover plate surface layer comprises the first V-arrangement cover plate (4), the second V-arrangement cover plate (5), base plate (8), the first side plate (6), the second side plate (7), described second V-arrangement cover plate (5) is positioned in the inner chamber of described first V-arrangement cover plate (4), and the center line of described first V-arrangement cover plate (4) overlaps with the center line of the second V-arrangement cover plate (5); Described base plate (8) one end connects described first V-arrangement cover plate (4), and its other end connects described second V-arrangement cover plate (5); Described first side plate (6) and the second side plate (7) be connecting bottom board (8), the first V-arrangement cover plate (4) and the second V-arrangement cover plate (5) respectively; Described first V-arrangement cover plate (4), the second V-arrangement cover plate (5), the first side plate (6) and the second side plate (7) all have aperture (9); Porous sound absorbing materials is filled with in chamber between described first V-arrangement cover plate (4), the second V-arrangement cover plate (5); Described noise reduction wedge (1) also comprises hook (9), described hook (9) is fixedly installed on the dual-side of base plate (8), and described noise reduction wedge is fixed on described mounting baseplate (2) by hook (9); Described noise reduction wedge (1) is gone up on the side exterior surface relative with porous plate (3) according to the described mounting baseplate (2) that is fixed on of the broken line vertical interlaced on pinnacle.
2. a kind of wedge noise treatment barrier as claimed in claim 1, it is characterized in that, the thickness of described porous plate (3) is 15mm, and on porous plate, the diameter in hole is 2mm, and is uniformly distributed.
3. a kind of wedge noise treatment barrier as claimed in claim 1, is characterized in that, the aperture in the upper hole of described first V-arrangement cover plate (4) is 2-6mm, and pitch of holes is 2-5mm.
4. a kind of wedge noise treatment barrier as claimed in claim 3, is characterized in that, the aperture in the upper hole of described second V-arrangement cover plate (5) is 3-5mm, and pitch of holes is 3-4mm.
5. a kind of wedge noise treatment barrier as claimed in claim 4, is characterized in that, described first V-arrangement cover plate (4) is 2:1 with the ratio of the height of described second V-arrangement cover plate (5).
6. a kind of wedge noise treatment barrier as claimed in claim 5, it is characterized in that, described first V-arrangement cover plate (4), the second V-arrangement cover plate (5), the first side plate (6) are 30%-43% with the perforated percentage of the second side plate (7)
7. a kind of wedge noise treatment barrier as claimed in claim 1, is characterized in that, the porous sound absorbing materials of filling in the chamber between described first V-arrangement cover plate (4), the second V-arrangement cover plate (5) is centrifugally glass-wool or rock wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430165.2U CN204875576U (en) | 2015-06-19 | 2015-06-19 | Protective screen is handled to wedge noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430165.2U CN204875576U (en) | 2015-06-19 | 2015-06-19 | Protective screen is handled to wedge noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204875576U true CN204875576U (en) | 2015-12-16 |
Family
ID=54819968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520430165.2U Expired - Fee Related CN204875576U (en) | 2015-06-19 | 2015-06-19 | Protective screen is handled to wedge noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204875576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208772A (en) * | 2017-06-30 | 2019-01-15 | 北新集团建材股份有限公司 | A kind of preparation method of radiation protection sound absorbing plate |
| CN109208770A (en) * | 2017-06-30 | 2019-01-15 | 北新集团建材股份有限公司 | A kind of radiation protection sound absorbing plate |
-
2015
- 2015-06-19 CN CN201520430165.2U patent/CN204875576U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208772A (en) * | 2017-06-30 | 2019-01-15 | 北新集团建材股份有限公司 | A kind of preparation method of radiation protection sound absorbing plate |
| CN109208770A (en) * | 2017-06-30 | 2019-01-15 | 北新集团建材股份有限公司 | A kind of radiation protection sound absorbing plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202595645U (en) | Sound barrier suitable for rail transit | |
| CN104727242B (en) | Railway board plug type super high strength concrete micropore ceramics compound sound barrier cell board | |
| CN204875576U (en) | Protective screen is handled to wedge noise | |
| CN103526700B (en) | A kind of sound barrier | |
| CN202117734U (en) | Impedance compound muffler with large wind volume | |
| CN106223222A (en) | Acoustic barrier unit board based on broadband porous plate acoustic adsorption device and method for designing thereof | |
| CN201222350Y (en) | Acoustical barrier | |
| CN102373677A (en) | Sound isolation composite plate | |
| KR101192879B1 (en) | Noise absorptive panel for railway slab | |
| CN103072589A (en) | Micro-perforated plate cavity resonance sound absorption device for high-speed train baggage rack | |
| CN103016030B (en) | Broadband sound absorbing material and sound absorbing device | |
| CN212688579U (en) | Vibration and noise reduction device for track floating plate | |
| CN203938940U (en) | A kind of vibration damping sound absorber of flush type track | |
| CN201221057Y (en) | Noise absorption apparatus on top of acoustical barrier | |
| CN103046480A (en) | Complete aluminum pierced noise-absorbing plate | |
| CN206034316U (en) | Track traffic side wall acoustic absorber | |
| CN209686616U (en) | A kind of building structure for floor sound proof noise reduction | |
| JP2004132062A (en) | Sound insulation wall for railways | |
| CN205348021U (en) | High -efficient protective screen that gives sound insulation | |
| CN107910172B (en) | A kind of transformer denoising device | |
| CN207091844U (en) | A kind of track girder of set effect of vibration and noise reduction suitable for suspension type monorail traffic | |
| CN203769576U (en) | Low-frequency sound-insulation door panel | |
| CN103085826A (en) | Micro-perforated curved plate sound absorption device for ceiling and skirt board of high-speed train | |
| CN202430637U (en) | Aluminum perforated sound absorption and insulation plate | |
| CN201512730U (en) | Sound-absorption wedge plate for reducing wheel rail noises and tunnel pressure waves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151216 Termination date: 20190619 |