CN208501529U - A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway - Google Patents
A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway Download PDFInfo
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- CN208501529U CN208501529U CN201820885123.1U CN201820885123U CN208501529U CN 208501529 U CN208501529 U CN 208501529U CN 201820885123 U CN201820885123 U CN 201820885123U CN 208501529 U CN208501529 U CN 208501529U
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- sound
- ventilation
- pressure release
- barrier
- noise reduction
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Abstract
The utility model discloses a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway, including multiple sequentially connected acoustic barrier members, multiple ventilation pressure leakage sound barrier modules are installed on the acoustic barrier member, the ventilation pressure leakage sound barrier module includes fixed frame, the vertical tangent plane of fixed frame is " returning " font, the interior side of fixed frame is equipped with multiple vertically disposed shafts, noise elimination blade is installed in shaft, the side of the noise elimination blade is equipped with one or two vertically disposed noise reduction plate, noise reduction plate is mounted on the inside of fixed frame, noise reduction plate includes abatvoix, silencing cavity is provided on abatvoix, the sound-absorption hole of multiple array arrangements is provided on the side side wall of abatvoix, one end of sound-absorption hole, which is connected with to be mounted on noise reduction cavity wall, includes sound set.The utility model can play good sound deadening while ventilation and pressure release, prevent noise from spreading out of by ventilation and pressure release hole, ventilation and pressure release good muffling effect.
Description
Technical field
The utility model relates to acoustic barrier technical field more particularly to a kind of high-speed railway ventilation and pressure release type sound absorption and insulations
Barrier.
Background technique
High-speed railway, abbreviation high-speed rail refer to infrastructure design velocity standard height, for train safety high speed in orbit
The railway of traveling, train operation speed is in 200km/h or more.High-speed rail is in country variant, different times and different scientific researches
There are different regulations in art field.Chinese high-speed rail is defined as design and starts 250 kilometers of speed per hour or more (containing pre- by China national Railway Bureau
Stay), passenger train special line railway more than initial stage operation Speed 200 km/h, and promulgated corresponding " Design of High-speed Railway rule
Model " file.Chinese high-speed rail is defined as the new line or both wired iron of Speed 200 km/h and the above standard by the China national Committee of Development and Reform
Road, and promulgated corresponding Mid-term and Long-term Plan of the Railway Network file, the track circuit of all Speed 200 km/hs is uniformly included in
State's High-speed Railway Network scope.
In high-speed railway (train speed per hour >=200km/h), when train high speed passes through, by natural wind load and train parting
The joint effect of load can generate greatly noise pollution, and in order to reduce this pollution, sound-screen usually is arranged in rail on both sides
Barrier, to insulate against sound and eliminate the noise, application No. is 201020239852.3 patent propose a kind of high-speed railway ventilation and pressure release type inhale every
Sound barrier, although the ventilation and pressure release played the role of, while ventilation and pressure release, erasure effect is poor for it, thus we
Propose a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of high-speed railway proposed is logical
Wind pressure release type sound absorption and insulation barrier.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway, including multiple sequentially connected acoustic barrier members, the sound
Multiple ventilation pressure leakage sound barrier modules are installed, the ventilation pressure leakage sound barrier module includes fixed frame on barrier member
The vertical tangent plane of frame, fixed frame is " returning " font, and the interior side of fixed frame is equipped with multiple vertically disposed shafts, shaft
On noise elimination blade is installed, the side of the noise elimination blade is equipped with one or two vertically disposed noise reduction plate, noise reduction plate peace
Mounted in the inside of fixed frame, noise reduction plate includes abatvoix, and silencing cavity is provided on abatvoix, is opened on the side side wall of abatvoix
There is the sound-absorption hole of multiple array arrangements, one end of sound-absorption hole, which is connected with to be mounted on noise reduction cavity wall, includes sound set, and silencing cavity is remote
Sound absorbing layer is installed, the abatvoix is far from being connected with multiple disappear on the side side wall of sound-absorption hole on one end inner wall from sound-absorption hole
Sound tube.
Preferably, the hush pipe includes inner and outer tubes, and the inner sealing of outer tube is connected with inner tube, inner and outer tubes it
Between be filled with sound-absorbing material, the voice guide hole of multiple array arrangements is provided on the side wall of inner tube, voice guide hole is tilted towards the direction into sound
Setting.
Preferably, fixture block and card slot are respectively equipped on the two sides side wall of the acoustic barrier member, on adjacent acoustic barrier member
Fixture block be connected in card slot, the outside of card slot is equipped with annular groove, is equipped with sealing ring in annular groove.
Preferably, the sound-absorbing material and sound absorbing layer are wave cotton, petroleum cellucotton, glass fibre cotton, aluminum fiber, day
Right one of rock wool and foamy glass fibrous layer or multiple combinations form.
Preferably, the sound-absorbing slot of multiple array arrangements is provided on the inner wall of the silencing cavity.
Preferably, said inner tube and outer tube are polyvinyl piping materials.
The utility model has the beneficial effects that by acoustic barrier member, fixed frame, blade of eliminating the noise, include sound set, sound-absorption hole,
The setting of sound-absorbing slot, abatvoix, hush pipe and sound absorbing layer can play good sound deadening while ventilation and pressure release, prevent
Only noise is spread out of by ventilation and pressure release hole, and the present apparatus can play good sound deadening while ventilation and pressure release, prevents from making an uproar
Sound is spread out of by ventilation and pressure release hole, ventilation and pressure release good muffling effect.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway structural schematic diagram；
Fig. 2 be the utility model proposes a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway ventilation and pressure release type sound-screen
The positive structure diagram of barrier module；
Fig. 3 be the utility model proposes a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway ventilation and pressure release type sound-screen
The side structure schematic view of barrier module；
Fig. 4 be the utility model proposes a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway noise reduction plate structure
Schematic diagram；
Fig. 5 be the utility model proposes the structure of hush pipe of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway a kind of show
It is intended to.
In figure: 1 acoustic barrier member, 2 ventilation pressure leakage sound barrier modules, 3 fixed frames, 4 noise elimination blades, 5 acoustical panels
Part, 51 include sound set, 52 sound-absorption holes, 53 sound-absorbing slots, 54 abatvoixs, 55 hush pipes, 551 inner tubes, 552 outer tubes, 553 sound-absorbing materials,
554 voice guide holes, 56 sound absorbing layers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-5, a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway, including multiple sequentially connected sound barrier structures
Part 1, multiple ventilation pressure leakage sound barrier modules 2 are equipped on acoustic barrier member 1, and the ventilation pressure leakage sound barrier module 2 wraps
Include fixed frame 3, the vertical tangent plane of fixed frame 3 is " returning " font, and the interior side of fixed frame 3, which is equipped with, multiple vertically to be set
The shaft set, noise elimination blade 4 is equipped in shaft, and the side of the noise elimination blade 4 is equipped with one or two vertically disposed noise reduction
Plate 5, noise reduction plate 5 are mounted on the inside of fixed frame 3, and noise reduction plate 5 includes abatvoix 54, are provided with noise reduction on abatvoix 54
Chamber is provided with the sound-absorption hole 52 of multiple array arrangements on the side side wall of abatvoix 54, and one end of sound-absorption hole 52, which is connected with, to be mounted on
Sound set 51 is included on noise reduction cavity wall, silencing cavity is far from being equipped with sound absorbing layer 56, the sound-absorbing on one end inner wall of sound-absorption hole 52
Plate 54 includes inner tube 551 and outer tube 552 far from multiple hush pipes 55, hush pipe 55 is connected on the side side wall of sound-absorption hole 52,
The inner sealing of outer tube 552 is connected with inner tube 551, and sound-absorbing material 553, inner tube 551 are filled between inner tube 551 and outer tube 552
Side wall on be provided with the voice guide holes 554 of multiple array arrangements, voice guide hole 554 is tilted towards into the setting of the direction of sound, acoustic barrier member
Fixture block and card slot are respectively equipped on 1 two sides side wall, the fixture block on adjacent acoustic barrier member 1 is connected in card slot, outside card slot
Portion is equipped with annular groove, is equipped with sealing ring in annular groove, sound-absorbing material 553 and sound absorbing layer 56 are wave cotton, petroleum fiber
One of cotton, glass fibre cotton, aluminum fiber, natural crystal cotton and foamy glass fibrous layer or multiple combinations form, noise reduction
The sound-absorbing slot 53 of multiple array arrangements is provided on the inner wall of chamber, inner tube 551 and outer tube 552 are polyvinyl piping materials.
Working principle: when in use, passing sequentially through fixture block for multiple acoustic barrier members 1 and card slot be attached fixation,
Bottom end is fixed by bracket and screw, installs corresponding ventilation pressure leakage sound barrier on acoustic barrier member 1 as needed
Module 2, (having proposed in the application documents that acoustic barrier member 1 and noise reduction blade 4 propose in the background technology), can be according to train
The difference of driving direction automatically adjusts the through-flow angle of anechoic sheet, reaches best pressure release effect.It is let out due to that can divulge information well
Pressure farthest reduces the mechanical load that high speed railway sound barrier needs the pulsating force born to generate, to reduce pair
The requirement of sound barrier thickness of shell, save the cost while, reduce the difficulty of sound barrier shell processing, while divulging information
While pressure release, noise and wind enter on the noise reduction plate 5 in fixed frame 3, and noise enters sound absorption cavity by sound-absorption hole 52
Interior, by amplifying, set 51 spreads noise in sound absorption cavity, is absorbed by sound absorbing layer 56 and abatvoix 54, then pass through noise reduction
Pipe 55 exports, while being entered in sound-absorbing material in hush pipe 55 by voice guide hole 554 and further absorbing noise, erasure effect
It is good, while certain sound deadening is played in the setting of sound-absorbing slot 9, the present apparatus can play well while ventilation and pressure release
Sound deadening prevents noise from spreading out of by ventilation and pressure release hole, ventilation and pressure release good muffling effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway, including multiple sequentially connected acoustic barrier members (1), feature
It is, is equipped with multiple ventilation pressure leakage sound barrier modules (2) on the acoustic barrier member (1), the ventilation and pressure release type sound-screen
Barrier module (2) includes fixed frame (3), and the vertical tangent plane of fixed frame (3) is " returning " font, the interior side of fixed frame (3)
Multiple vertically disposed shafts are installed, are equipped in shaft noise elimination blade (4), the side of the noise elimination blade (4) is equipped with one
To two vertically disposed noise reduction plates (5), noise reduction plate (5) is mounted on the inside of fixed frame (3), noise reduction plate (5) packet
It includes abatvoix (54), silencing cavity is provided on abatvoix (54), is provided with multiple array arrangements on the side side wall of abatvoix (54)
Sound-absorption hole (52), one end of sound-absorption hole (52), which is connected with, is mounted on including sound set (51) on noise reduction cavity wall, and silencing cavity is far from suction
It is equipped on one end inner wall of sound hole (52) sound absorbing layer (56), the abatvoix (54) is far from the side side wall of sound-absorption hole (52)
It is connected with multiple hush pipes (55).
2. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway according to claim 1, which is characterized in that the noise reduction
Manage (55) include inner tube (551) and outer tube (552), the inner sealing of outer tube (552) is connected with inner tube (551), inner tube (551) and
Sound-absorbing material (553) are filled between outer tube (552), the voice guide hole of multiple array arrangements is provided on the side wall of inner tube (551)
(554), voice guide hole (554) is tilted towards into the setting of the direction of sound.
3. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway according to claim 1, which is characterized in that the sound-screen
Hinder and be respectively equipped with fixture block and card slot on the two sides side wall of component (1), the fixture block on adjacent acoustic barrier member (1) is connected to card slot
Interior, the outside of card slot is equipped with annular groove, is equipped with sealing ring in annular groove.
4. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway according to claim 2, which is characterized in that the sound-absorbing
Material (553) and sound absorbing layer (56) are wave cotton, petroleum cellucotton, glass fibre cotton, aluminum fiber, natural crystal cotton and foam
One of shape glass layer or multiple combinations form.
5. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway according to claim 1, which is characterized in that the noise reduction
The sound-absorbing slot (53) of multiple array arrangements is provided on the inner wall of chamber.
6. a kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway according to claim 2, which is characterized in that said inner tube
(551) and outer tube (552) is polyvinyl piping materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885123.1U CN208501529U (en) | 2018-06-08 | 2018-06-08 | A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820885123.1U CN208501529U (en) | 2018-06-08 | 2018-06-08 | A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501529U true CN208501529U (en) | 2019-02-15 |
Family
ID=65288846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820885123.1U Expired - Fee Related CN208501529U (en) | 2018-06-08 | 2018-06-08 | A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519552A (en) * | 2020-04-30 | 2020-08-11 | 招商局重庆交通科研设计院有限公司 | Bridge sound insulation protective screen |
| CN114657908A (en) * | 2022-03-11 | 2022-06-24 | 中南大学 | Novel wind barrier structure utilizing vortex-induced vibration to capture energy |
| CN114753275A (en) * | 2022-05-10 | 2022-07-15 | 中海环境科技(上海）股份有限公司 | Load shedding sound barrier unit and sound barrier thereof |
-
2018
- 2018-06-08 CN CN201820885123.1U patent/CN208501529U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111519552A (en) * | 2020-04-30 | 2020-08-11 | 招商局重庆交通科研设计院有限公司 | Bridge sound insulation protective screen |
| CN114657908A (en) * | 2022-03-11 | 2022-06-24 | 中南大学 | Novel wind barrier structure utilizing vortex-induced vibration to capture energy |
| CN114657908B (en) * | 2022-03-11 | 2023-05-26 | 中南大学 | Wind barrier structure utilizing vortex-induced vibration energy capturing |
| CN114753275A (en) * | 2022-05-10 | 2022-07-15 | 中海环境科技(上海）股份有限公司 | Load shedding sound barrier unit and sound barrier thereof |
| CN114753275B (en) * | 2022-05-10 | 2023-09-01 | 中海环境科技(上海）股份有限公司 | Load-shedding sound barrier unit and sound barrier thereof |
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| 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: 20190215 Termination date: 20200608 |