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 PDF

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Publication number
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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CN
China
Prior art keywords
sound
ventilation
pressure release
barrier
noise reduction
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Expired - Fee Related
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CN201820885123.1U
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Chinese (zh)
Inventor
李艳
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Chengdu University
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Chengdu University
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Expired - Fee Related legal-status Critical Current
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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

A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway
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.
CN201820885123.1U 2018-06-08 2018-06-08 A kind of ventilation and pressure release type sound absorption and insulation barrier for high-speed railway Expired - Fee Related CN208501529U (en)

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

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CN208501529U true CN208501529U (en) 2019-02-15

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20190215

Termination date: 20200608