CN203782598U - Perforated metal sound barrier - Google Patents
Perforated metal sound barrier Download PDFInfo
- Publication number
- CN203782598U CN203782598U CN201420121454.XU CN201420121454U CN203782598U CN 203782598 U CN203782598 U CN 203782598U CN 201420121454 U CN201420121454 U CN 201420121454U CN 203782598 U CN203782598 U CN 203782598U
- Authority
- CN
- China
- Prior art keywords
- panel
- perforated metal
- backboard
- sound barrier
- side plate
- 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 - Lifetime
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 239000011358 absorbing material Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011490 mineral wool Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
The utility model discloses a perforated metal sound barrier. The perforated metal sound barrier comprises a panel, a sound absorption material layer, a back plate, a top plate, a bottom plate and two side plates, wherein the top plate and the bottom plate are arranged at the two opposite ends of the same side of the back plate and are perpendicularly connected with the back plate into an integral structure; the panel is connected with the top plate and the bottom plate by bayonets; the side plates are respectively embedded between the panel and the back plate, one ends of the side plates are connected with the top plate, and the other ends of the side plates are connected with the bottom plate; a hollow structure is formed by the panel, the top plate, the bottom plate, the back plate and the side plates, and the sound absorption material layer is arranged in the cavity of the hollow structure; a perforated metal plate is used as the panel, and the panel is 1.5-2.5 mm in pore diameter, 5-10% in the perforating rate and 1-2 mm in thickness. The perforated metal sound barrier is convenient to assemble and high in production efficiency. The length can be regulated randomly, the sound resistance of the panel can be improved, the sound absorption effect can be improved, the production efficiency can be improved, and the cost can be lowered.
Description
Technical field
The utility model relates to a kind of traffic acoustic damping materials, specifically a kind of perforated metal sound barrier.
Background technology
Along with developing rapidly of the industries such as industry, transportation, builing industry, the harm of noise on human class is also increasing.At present, the same air pollution of noise pollution, water pollute together, are acknowledged as contemporary world three overall situation public hazards.The normal order of work of influence of noise and operating efficiency, also affect daily life and physical and mental health.Estimate 4,000,000,000 dollars of the losses that only U.S. is brought by noise every year nearby according to the World Health Organization.Visible, controlling noise has become the mankind's the task of top priority, the research of sound absorption and noise reduction material has been become to one of important research direction of countries in the world scientific worker.
At present, most widely used sound absorption and noise reduction material is metallic sound barrier, but the aperture of existing metallic sound barrier is generally at 3-6mm, perforated percentage is more than 25%, make on the one hand hard pressed air in cavity be easy to discharge from orifice plate, make on the other hand the acoustic resistance of metallic sound barrier reduce, acoustically effective variation.Meanwhile, this metallic sound barrier complex manufacturing, operation is many, and side plate is to link together with panel or backboard, and length is non-adjustable, and sketch plate need be produced again, the low inferior shortcoming of production efficiency.
Utility model content
Utility model object: the purpose of this utility model is to provide a kind of simple in structure, acoustically effective good, production efficiency is high, length can be adjusted arbitrarily perforated metal sound barrier.
Technical scheme: in order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of perforated metal sound barrier, comprise panel, sound-absorbing material layer, backboard, top board, base plate and two blocks of side plates, described top board, base plate are all located at two ends and the connect as one structure vertical with backboard that backboard the same face is relative; Described panel is bayonet lock with top board, base plate and is connected; Described two blocks of side plates are embedded in respectively between panel and backboard, and side plate one end is connected with top board, and the side plate other end is connected with base plate; Described panel, top board, base plate, backboard and two blocks of side plates form hollow structure, and sound-absorbing material layer is located in the cavity of hollow structure; Described panel is perforated metal, and panel aperture is 1.5-2.5mm, and perforated percentage is 5-10%, and thickness is 1-2mm.
Operating principle: the utility model perforated metal sound barrier, the improvement of perforated percentage by boring a hole on counter plate, piercing aperture, plate thickness, in conjunction with sound-absorbing material layer, increases acoustic resistance, improves acoustically effective; Side plate becomes an overall structure by chimeric with composition of backboards with panel, adopt outer embedding structure, can make panel and carapace length adjustable, utilizes architectural feature fixed-type, and easy to assembly, production efficiency is high.
The upper/lower terminal of described panel is provided with bayonet lock, and and panel between form trench structure, top board and base plate are provided with the clamp corresponding with trench structure; Side plate is provided with two bayonet sockets corresponding with bayonet lock on panel.
When use, clamp inserts in trench structure, realized being connected of panel and top board and base plate, and bayonet lock can insert in bayonet socket, and then has realized being connected of panel and side plate.
Described panel is provided with above reinforcement groove together, and described side plate is provided with first recess corresponding with reinforcement groove, can increase the intensity of panel.
Described backboard is provided with flared channels, and described side plate is provided with the horn mouth corresponding with flared channels, can increase the intensity of backboard.
Described top board is provided with public groove, and base plate is provided with female groove, and described side plate top is provided with the projection corresponding with public groove, and side plate bottom is provided with second recess corresponding with female groove, can further increase the intensity of panel.
Described side plate is also connected by rivet with backboard, can prevent side plate displacement.
Preferably, described panel, backboard and side plate are aluminium alloy plate or galvanized steel plain sheet.
Preferably, described sound-absorbing material layer is centrifugal glass wool layer, layer of mineral wool, aluminium silicate wool layer or melamine foams layer.
Preferably, described sound-absorbing material layer peripheral hardware has nonwoven layer or glass layer of cloth.
Beneficial effect: the utility model perforated metal sound barrier is easy to assembly, production efficiency is high, and length can be adjusted arbitrarily, can improve the acoustic resistance of panel, strengthens acoustically effective, can enhance productivity, reduce costs.
Brief description of the drawings
Fig. 1 is the utility model panel lateral view;
Fig. 2 is the utility model backboard lateral view;
Fig. 3 is the utility model lateral plate structure schematic diagram;
Fig. 4 is the structural representation of the utility model perforated metal sound barrier;
In figure: 1 is panel, 2 is backboard, and 3 is side plate, and 4 is top board, and 5 is base plate, and 6 is bayonet lock, and 7 is bayonet socket, and 8 is reinforcement groove, and 9 is the first recess, and 10 is flared channels, and 11 is horn mouth, and 12 is public groove, and 13 is female groove, and 14 is projection, and 15 is the second recess, and 16 is clamp.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1: perforated metal sound barrier as Figure 1-Figure 4, comprise panel 1, sound-absorbing material layer, backboard 2, top board 4, base plate 5 and two blocks of side plates 3, described top board 4, base plate 5 are all located at two ends and the connect as one structure vertical with backboard 2 that backboard 2 the same faces are relative; Described panel 1 is bayonet lock 6 with top board 4, base plate 5 and is connected; Described two blocks of side plates 3 are embedded in respectively between panel 1 and backboard 2, and side plate 3 one end are connected with top board 4, and side plate 3 other ends are connected with base plate 5; Described panel 1, top board 4, base plate 5, backboard 2 and two blocks of side plates 3 form hollow structure, and sound-absorbing material layer is located in the cavity of hollow structure; Described panel 1 is perforated metal, and panel 1 aperture is 1.5-2.5mm, and perforated percentage is 5-10%, and thickness is 1-2mm.The upper/lower terminal of panel 1 is provided with bayonet lock 6, and and panel 1 between form trench structure, top board 4 and base plate 5 are provided with the clamp corresponding with trench structure 16; Side plate 3 is provided with two bayonet sockets 7 corresponding with bayonet lock 6 on panel 1.Panel 1 is provided with twice reinforcement groove 8, and side plate 3 is provided with first recess 9 corresponding with reinforcement groove 8 positions; Backboard 2 is provided with the flared channels 10 of reinforcement, and side plate 3 is provided with the horn mouth 11 corresponding with flared channels 10 positions; Top board 4 is provided with public groove 12, and base plate 5 is provided with female groove 13, and side plate 3 tops are provided with the projection 14 corresponding with public groove 12, and side plate 3 bottoms are provided with second recess 15 corresponding with female groove 13; Described side plate 3 is also connected by rivet with backboard 2; Panel 1, backboard 2 and side plate 3 are aluminium alloy plate; Sound-absorbing material layer is centrifugal glass wool layer; Sound-absorbing material layer peripheral hardware has nonwoven layer.
The utility model perforated metal sound barrier, perforated percentage, the piercing aperture by perforation on counter plate 1, the improvement of panel 1 thickness, in conjunction with sound-absorbing material layer, increase acoustic resistance, improve acoustically effective; Side plate 3 is combined into an overall structure by chimeric and panel 1 and backboard 2, adopts outer embedding structure, utilizes architectural feature fixed-type, easy to assembly, production efficiency is high.
Embodiment 2: substantially the same manner as Example 1, difference is that panel 1 piercing aperture is 2mm, and perforated percentage is 7%, and panel 1 thickness is 1.5mm, and panel 1, backboard 2 and side plate 3 are galvanized steel plain sheet; Sound-absorbing material layer is layer of mineral wool; Sound-absorbing material layer is provided with glass-fiber-fabric layer outward.
Embodiment 3: substantially the same manner as Example 1, difference is that panel 1 piercing aperture is 2.5mm, and perforated percentage is 10%, and panel 1 thickness is 2mm, and sound-absorbing material layer is aluminium silicate wool layer.
Embodiment 4: substantially the same manner as Example 1, difference is that sound-absorbing material layer is melamine foams layer.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a perforated metal sound barrier, it is characterized in that: comprise panel (1), sound-absorbing material layer, backboard (2), top board (4), base plate (5) and two blocks of side plates (3), described top board (4), base plate (5) are all located at two ends and the connect as one structure vertical with backboard (2) that backboard (2) the same face is relative; Described panel (1) is bayonet lock (6) with top board (4), base plate (5) and is connected; Described two blocks of side plates (3) are embedded in respectively between panel (1) and backboard (2), and side plate (3) one end is connected with top board (4), and side plate (3) other end is connected with base plate (5); Described panel (1), top board (4), base plate (5), backboard (2) and two blocks of side plates (3) form hollow structure, and sound-absorbing material layer is located in the cavity of hollow structure; Described panel (1) is perforated metal, and panel (1) aperture is 1.5-2.5mm, and perforated percentage is 5-10%, and thickness is 1-2mm.
2. perforated metal sound barrier according to claim 1, it is characterized in that: the upper/lower terminal of described panel (1) is provided with bayonet lock (6), and and forming trench structure between panel (1), top board (4) and base plate (5) are provided with the clamp corresponding with trench structure (16); Side plate (3) is provided with two bayonet sockets (7) corresponding with bayonet lock (6) on panel (1).
3. perforated metal sound barrier according to claim 1, is characterized in that: described panel (1) is provided with above reinforcement groove (8) together, and described side plate (3) is provided with first recess (9) corresponding with reinforcement groove (8).
4. perforated metal sound barrier according to claim 1, is characterized in that: described backboard (2) is provided with flared channels (10), and described side plate (3) is provided with the horn mouth (11) corresponding with flared channels (10).
5. perforated metal sound barrier according to claim 1, it is characterized in that: described top board (4) is provided with public groove (12), base plate (5) is provided with female groove (13), described side plate (3) top is provided with the projection (14) corresponding with public groove (12), and side plate (3) bottom is provided with second recess (15) corresponding with female groove (13).
6. according to the perforated metal sound barrier described in claim 1-5 any one, it is characterized in that: described side plate (3) is also connected by rivet with backboard (2).
7. according to the perforated metal sound barrier described in claim 1-5 any one, it is characterized in that: described panel (1), backboard (2) and side plate (3) are aluminium alloy plate or galvanized steel plain sheet.
8. according to the perforated metal sound barrier described in claim 1-5 any one, it is characterized in that: described sound-absorbing material layer is centrifugal glass wool layer, layer of mineral wool, aluminium silicate wool layer or melamine foams layer.
9. perforated metal sound barrier according to claim 8, is characterized in that: described sound-absorbing material layer peripheral hardware has nonwoven layer or glass layer of cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121454.XU CN203782598U (en) | 2014-03-18 | 2014-03-18 | Perforated metal sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420121454.XU CN203782598U (en) | 2014-03-18 | 2014-03-18 | Perforated metal sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203782598U true CN203782598U (en) | 2014-08-20 |
Family
ID=51318801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420121454.XU Expired - Lifetime CN203782598U (en) | 2014-03-18 | 2014-03-18 | Perforated metal sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203782598U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction device |
| CN106223222A (en) * | 2016-09-14 | 2016-12-14 | 东南大学 | Acoustic barrier unit board based on broadband porous plate acoustic adsorption device and method for designing thereof |
| CN106592455A (en) * | 2016-12-28 | 2017-04-26 | 河南东海复合材料有限公司 | Glass-fibre-reinforced plastic noise barrier used for controlled-access highway |
| CN107724265A (en) * | 2016-08-12 | 2018-02-23 | 中铁四局集团有限公司 | A kind of novel metal sound barrier and its manufacture craft |
| CN108286225A (en) * | 2017-01-09 | 2018-07-17 | 上海汇警市政工程有限公司 | Cross-linking sound barrier |
-
2014
- 2014-03-18 CN CN201420121454.XU patent/CN203782598U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction device |
| CN104631353B (en) * | 2015-02-02 | 2016-08-24 | 江苏新光环保工程有限公司 | A kind of full-frequency sound absorption denoising device |
| CN107724265A (en) * | 2016-08-12 | 2018-02-23 | 中铁四局集团有限公司 | A kind of novel metal sound barrier and its manufacture craft |
| CN107724265B (en) * | 2016-08-12 | 2020-10-16 | 中铁四局集团有限公司 | Manufacturing process of metal sound barrier |
| CN106223222A (en) * | 2016-09-14 | 2016-12-14 | 东南大学 | Acoustic barrier unit board based on broadband porous plate acoustic adsorption device and method for designing thereof |
| CN106592455A (en) * | 2016-12-28 | 2017-04-26 | 河南东海复合材料有限公司 | Glass-fibre-reinforced plastic noise barrier used for controlled-access highway |
| CN108286225A (en) * | 2017-01-09 | 2018-07-17 | 上海汇警市政工程有限公司 | Cross-linking sound barrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |