CN208792181U - A kind of damping sound barrier - Google Patents
A kind of damping sound barrier Download PDFInfo
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- CN208792181U CN208792181U CN201821478192.7U CN201821478192U CN208792181U CN 208792181 U CN208792181 U CN 208792181U CN 201821478192 U CN201821478192 U CN 201821478192U CN 208792181 U CN208792181 U CN 208792181U
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- sound barrier
- sound
- steel column
- panel
- damping
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Abstract
The utility model relates to a kind of damping sound barriers, including pedestal, steel column, sound barrier panel, U-shaped connector, sound barrier fixing piece, nut cap.Including pedestal, steel column, sound barrier fixed fastener and sound barrier panel；The installation of steel columns is square on the base, the side of steel column is provided with sound barrier fixed fastener, sound barrier fixed fastener connects sound barrier panel, and the sound barrier panel is composed of several chip acoustic barrier unit boards, has cavity between every two chip acoustic barrier unit board.The utility model is based on resistance noise reduction principle, using perforated metal panel as shell, inside fills out sound-absorbing material and realizes sound absorbing performance, using the cavity pressure release between its slice structure, realizes off-load purpose, can guarantee that wind loads act on the long-time stability of lower sound barrier panel.The utility model can be processed into modularization in manufactory, and construction site installation, maintenance and update are convenient, and choosing multiple moulding is combined, and are applicable to highway, sound barrier is made on railway both sides.
Description
Technical field
The utility model relates to field of environment protection, are related to a kind of lightweight high damping high speed railway sound barrier unit, especially
It is related to it is a kind of for inhibiting bullet train to run when noise generated sound barrier unit.
Background technique
Due to the rapid development of railway, the noise pollution generated in train travelling process is more serious.In order to reduce railway
The influence of noise has setting sound barrier at the sensitive spots such as residential block, school, nearby mainly for route with the propagation of truncation noise
Approach.Noise Barrier Works investment is suitable for, and sound insulation effect is good, it has also become controls the important measures of railway noise pollution.
General railway sound barrier uses erect type or fold-line-shaped, and height setting is generally 3-6m, whole opaque, material
It is divided into metal sound barrier and two kinds of non-metal sound barrier in matter.To increase sound barrier anti-acoustic capability, usually increasing baffle height can
To improve the noise reduction effect of acoustic barrier, but increasing baffle height can be to basic requirement raising, and substantially increases sound barrier
Application cost, and excessively high baffle generates space sense of depression, destroys visual environment, therefore do not increasing sound barrier height
In the case of, the structure type application for changing acoustic barrier unit board is the optimal selection solved the problems, such as.
In the prior art, railway sound barrier is composed of in certain sequence multiple sound barrier units, sound barrier list
First enclosure interior is further filled with sound-absorbing material, to achieve the purpose that noise reduction.The railway sound barrier, which includes one, has sound insulation backing member
Plate shell, the plate housing cross-sectional be it is hollow, by two bend plate constitute, these plates especially under preloading
It is mutually clamped to form locking in slot and key range.The end plate of plate shell is connect one-piece with side plate, and end plate is in assembled state
In mutually overlap, and the middle position of plate shell is fixed on by two clamping devices backing member that will insulate against sound.This sound barrier list
Meta structure especially constitutes two bending plates of plate shell, and structure is complicated, and the metal forming difficulty of processing of multidimensional is larger, raw
Higher cost is produced, and complexity is installed, working efficiency is low.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides novel light damping sound barrier, this is practical
Novel light damping sound barrier is a kind of sound barrier of efficient and light weight especially suitable for high-speed railway.
The utility model achieves the above object through the following technical schemes:
A kind of damping sound barrier, including pedestal, steel column, sound barrier fixed fastener and sound barrier panel；The steel column peace
Above pedestal, the side of steel column is provided with sound barrier fixed fastener, and sound barrier fixed fastener connects sound barrier panel, described
Sound barrier panel is composed of several chip acoustic barrier unit boards, has cavity between every two chip acoustic barrier unit board.
In order to further increase the use function of novel light damping sound barrier, the chip acoustic barrier unit board includes gold
Belong to plate shell and inner sound absorption material, sheet metal shell are wrapped in inner sound absorption edge of materials, the sheet metal shell
It being made of top panel, lower plate and backboard, top panel is in "eight" shape protrusion with lower plate and two plates are parallel up and down,
By two pieces of backboard connections between top panel and lower plate, two pieces of backboards are arranged above the two sides of plate and lower plate.In described
Portion's sound-absorbing material is sound absorption cotton.
In order to further increase the use function of novel light damping sound barrier, the lower plate and backboard are formed by angle
Angle be 45 ° ~ 60 °.
In order to further increase the use function of novel light damping sound barrier, the top panel, lower plate and backboard warp
Rolling formation；Top panel and lower plate are microperforated panel.
In order to further increase the use function of novel light damping sound barrier, the section of the cavity is "eight" shape.
In order to further increase the use function of novel light damping sound barrier, the sound barrier panel is by several chip sound
Barrier unit board is equidistantly composed, several chip acoustic barrier unit boards form equidistant cavity, several chip sound-screens
Barrier unit board ends are fixed by U-shaped connector and self threading pin.
In order to further increase the use function of novel light damping sound barrier, nut cap, lid is arranged in the steel column top
Cap is fixed by screws in the steel column top.
It is arranged in order to further increase the use function of novel light damping sound barrier, between the pedestal and steel column solid
Fixed board.Steel column above fixed pedestal is installed by fixed plate, connection type can be welding or be bolted.
In order to further increase the use function of novel light damping sound barrier, the steel column section is H-type, sound barrier
Fixed fastener is arranged between steel column wing plates on two sides, and sound barrier panel is inserted into H profile steel column wing plate using spigot-and-socket installation method
Between, and fixed by sound barrier fixed fastener.
The utility model has the beneficial effects that: this sound barrier is assembled by chip acoustic barrier unit board, chip sound-screen
Hinder the upper surface of cell board plate and lower plate uses microperforated panel, is based on resistance noise reduction principle, thus further absorption sound energy, from
Being propagated further for noise is fundamentally prevented, achievees the purpose that noise reduction；There are cavitys between chip sound barrier unit, utilize its piece
The interstructural cavity pressure release of formula realizes that off-load reduces wind load purpose, can guarantee that wind loads act on lower sound barrier panel
Long-time stability.
Detailed description of the invention
Fig. 1 is the front view of the utility model lightweight damping sound barrier；
Fig. 2 is the side view of the utility model lightweight damping sound barrier；
Fig. 3 is the schematic diagram of the utility model chip acoustic barrier unit board；
Fig. 4 is the sound absorption schematic diagram of the utility model lightweight damping sound barrier；
Fig. 5 is the off-load schematic diagram of the utility model lightweight damping sound barrier；
The reference numerals are as follows:
1, nut cap；2, chip acoustic barrier unit board；3, steel column；4, U-shaped connector；5, pedestal；6, sound-absorbing material；7, it carries on the back
Plate；8, top panel；9, sound barrier fixed fastener；10, fixed plate, 11, cavity；12, lower plate, 13, sound wave, 14, air-flow.
Specific embodiment
The utility model lightweight damping sound barrier is described further with reference to the accompanying drawing:
As Figure 1-Figure 5, a kind of damping sound barrier, including 1, nut cap；2, chip acoustic barrier unit board；3, steel column；
4, U-shaped connector；5, pedestal；6, sound-absorbing material；7, backboard；8, top panel；9, sound barrier fixed fastener；10, fixed plate；11,
Cavity；12, lower plate.
Pedestal 5 is arranged steel column 3 above, and fixed plate 10 installs fixed steel column 3, connection type can be welding or
It is bolted, steel column 3 is used to support installation sound barrier fixed fastener 9 and sound barrier panel, and the setting of 3 bottom sides of steel column is sound
Barrier fixed fastener 9, sound barrier fixed fastener 9 are used to install fixed sound barrier panel, and sound barrier panel is by several chip sound barriers
Cell board 2 is composed, and chip acoustic barrier unit board 2 is used to carry out noise noise reduction process, and U-shaped connector 4 connects for fixed
Tab acoustic barrier unit board 2, chip acoustic barrier unit board 2 are made of sheet metal shell and inner sound absorption material 6, described interior
Portion's sound-absorbing material is sound absorption cotton, and sheet metal shell is wrapped in inner sound absorption edge of materials, and the sheet metal shell is by above
Plate 8, lower plate 12 and backboard 7 are constituted, and top panel 8 and lower plate 12 are put down in "eight" shape protrusion and two plates up and down
Row is connected between top panel 8 and lower plate 12 by two pieces of backboards 7, and two pieces of backboards 7 are arranged above plate 8 and lower plate 12
Two sides, through rolling formation, top panel 8 and lower plate 12 are microperforated panel for backboard 7, top panel 8 and lower plate 12.
It is about 45 ° ~ 60 ° that the lower plate 12, which is formed by the angular range at angle with backboard 7,.
The sound barrier panel is equidistantly composed of several chip acoustic barrier unit boards 2, several chip sound barriers
Cell board 2 forms equidistant cavity 11, and the section of the cavity 11 is "eight" shape；2 liang of several chip acoustic barrier unit boards
End is fixed by U-shaped connector 4 and self threading pin.
Nut cap 1 is arranged in 3 top of steel column, and nut cap 1 is fixed by screws in 3 top of steel column.
3 section of steel column is H-type, and sound barrier fixed fastener 9 is arranged between steel column wing plates on two sides, sound barrier panel
It is inserted between H profile steel column wing plate using spigot-and-socket installation method, and fixed by sound barrier fixed fastener 9.
In above structure, during train driving, driving noise passes through top panel 8, lower plate 12 and backboard 7, sound absorption
Material 6 carries out damping vibration attenuation, and top panel 8, lower plate 12 and backboard 7 play damping action to noise using the angle of its own plate,
Sound-absorbing material 6 utilizes itself characteristic, plays sound absorption, fundamentally prevents being propagated further for noise, reach noise reduction
Purpose.Wind loads part in driving conditions is reduced wind loads suffered by sound barrier, can guarantee by cavity 11
Wind loads act on the long-time stability of lower sound barrier panel.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (10)
1. a kind of damping sound barrier, it is characterised in that: including pedestal, steel column, sound barrier fixed fastener and sound barrier panel；It is described
Side, the side of steel column are provided with sound barrier fixed fastener to installation of steel columns on the base, and sound barrier fixed fastener connects sound-screen
Baffle, the sound barrier panel are composed of several chip acoustic barrier unit boards, between every two chip acoustic barrier unit board
With cavity.
2. a kind of damping sound barrier according to claim 1, it is characterised in that: several described chip acoustic barrier unit boards
It is connected and fixed by U-shaped connector.
3. a kind of damping sound barrier according to claim 1, it is characterised in that: the chip acoustic barrier unit board includes gold
Belong to plate shell and inner sound absorption material, sheet metal shell are wrapped in inner sound absorption edge of materials, the sheet metal shell
It being made of top panel, lower plate and backboard, top panel is in "eight" shape protrusion with lower plate and two plates are parallel up and down,
By two pieces of backboard connections between top panel and lower plate, two pieces of backboards are arranged above the two sides of plate and lower plate.
4. a kind of damping sound barrier according to claim 3, it is characterised in that: the lower plate and backboard are formed by angle
Angle be 45 ° ~ 60 °.
5. a kind of damping sound barrier according to claim 3, it is characterised in that: the top panel and lower plate are micropunch
Plate.
6. a kind of damping sound barrier according to claim 1, it is characterised in that: the section of the cavity is "eight" shape.
7. a kind of damping sound barrier according to claim 1, it is characterised in that: the sound barrier panel is by several chip sound
Barrier unit board is equidistantly composed.
8. a kind of damping sound barrier according to claim 1, it is characterised in that: nut cap is arranged in the steel column top.
9. a kind of damping sound barrier according to claim 1, it is characterised in that: be arranged between the pedestal and steel column solid
Fixed board.
10. a kind of damping sound barrier according to claim 1, it is characterised in that: the steel column section is H-type, sound-screen
Hinder fixed fastener to be arranged between steel column wing plates on two sides, sound barrier panel is inserted into the H profile steel column wing using spigot-and-socket installation method
Between plate, and fixed by sound barrier fixed fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478192.7U CN208792181U (en) | 2018-09-11 | 2018-09-11 | A kind of damping sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821478192.7U CN208792181U (en) | 2018-09-11 | 2018-09-11 | A kind of damping sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208792181U true CN208792181U (en) | 2019-04-26 |
Family
ID=66209051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821478192.7U Active CN208792181U (en) | 2018-09-11 | 2018-09-11 | A kind of damping sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208792181U (en) |
-
2018
- 2018-09-11 CN CN201821478192.7U patent/CN208792181U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 116000 No. 1408, Tianxing Roosevelt international building, 677 Huanghe Road, Shahekou District, Dalian City, Liaoning Province (office use only) Patentee after: Ya life tomorrow Environmental Development Co.,Ltd. Address before: 116000 Roosevelt 1601, Tianxing International Building, 677 the Yellow River Road, Shahekou District, Dalian, Liaoning. Patentee before: DALIAN MINGRI ENVIRONMENTAL DEVELOPMENT Co.,Ltd. |