CN206319266U - A kind of flexible off-load formula high ferro metal sound barrier - Google Patents
A kind of flexible off-load formula high ferro metal sound barrier Download PDFInfo
- Publication number
- CN206319266U CN206319266U CN201621200482.6U CN201621200482U CN206319266U CN 206319266 U CN206319266 U CN 206319266U CN 201621200482 U CN201621200482 U CN 201621200482U CN 206319266 U CN206319266 U CN 206319266U
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- section bar
- board
- flexible
- acoustic
- girder section
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Abstract
The utility model discloses a kind of flexible off-load formula high ferro metal sound barrier, it is formed by connecting by multiple acoustic barrier unit boards, in acoustic barrier unit board, acoustic board is placed between front panel and rear board, support section bar is separately installed between front panel and acoustic board, between acoustic board and rear board, the two ends of support section bar connect girder section bar respectively；It is separately installed with the first rubber strip post for flexible off-load between front panel and close girder section bar, between rear board and close girder section bar, the second rubber strip post for flexible off-load is installed between the girder section bar of adjacent two acoustic barrier unit boards.The utility model is realized by a plurality of rubber strip post and the off-load flexible step by step of train pulsating wind pressure is acted on, make to act on the train pulsating wind pressure on front panel largely to be discharged and decayed, the service life of sound barrier is set to be significantly improved, and reduce potential safety hazard, suitable for the railway of each speed class, high-speed railway is particularly suitable for use in.
Description
Technical field
The utility model is related to a kind of high ferro metal sound barrier, more particularly to a kind of flexible off-load formula high ferro metal sound-screen
Barrier.
Background technology
In recent decades, railway especially high ferro construction is developed rapidly in China's acquirement, and in the world, other countries also obtain
Fast development, the noise i.e. high ferro metallic sound problem that high ferro development is brought is increasing, and high ferro metallic sound is exactly the metal of train
Take turns the sound for the generation that rubbed between metal track.In order to reduce the influence that high ferro metallic sound is caused to resident living, through
The both sides of the railway of residential block can all install sound barrier, and the sound barrier is used to stop high ferro metallic sound, so also referred to as high ferro gold
Belong to sound barrier.
Sound barrier is typically formed by connecting by multiple acoustic barrier unit boards, and traditional acoustic barrier unit board is by improving the rigidity of structure
Carry out the firm of safeguards system.But when bullet train is by sound barrier, the air between train and sound barrier is in semiclosed
Space, the athletic meeting of train causes air to produce strong disturbance, and more prominent is exactly that air-flow causes car resistance to increase, and
The pulsating wind pressure of very big transient pressure, i.e. train is produced on the panel and backboard of sound barrier, train pulsating wind pressure is held for a long time
Continuous effect so that fracture damage occurs or even comes off to wait show with the weak link such as connecting bolt between acoustic barrier unit board
As reducing the service life of sound barrier, and there is traffic safety hidden danger.So, corresponding measure is taken to reduce sound barrier
The impact influence of the train pulsating wind pressure of upper effect is necessary.
Utility model content
The purpose of this utility model, which is that, provide a kind of flexible off-load formula high ferro metallic sound to solve the above problems
Barrier.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of flexible off-load formula high ferro metal sound barrier, is formed by connecting by multiple acoustic barrier unit boards, the sound barrier list
First plate includes girder section bar, front panel, support section bar, acoustic board and rear board, and the acoustic board is placed in the front panel and institute
State between rear board, be separately installed between the front panel and the acoustic board, between the acoustic board and the rear board
The support section bar, the two ends of the support section bar connect the girder section bar respectively；The front panel and the close master
The first rubber for flexible off-load is separately installed between beam type material, between the rear board and the close girder section bar
The second rubber strip for flexible off-load is installed between bar post, the girder section bar of adjacent two acoustic barrier unit boards
Post.
In said structure, girder section bar and support section bar connect into skeleton, front panel, acoustic board and rear board difference jointly
It is inserted on the skeleton, front panel is the direct bearing plate of train pulsating wind pressure, the pulsating wind pressure passes through front panel and phase first
The first rubber strip post between the near girder section bar realizes flexible off-load effect, makes to be delivered to the girder type close to front panel
The pulsating energy of material measures buffering and decayed, and then passes to successively close to the girder section bar of rear board and adjacent with rear board
First rubber strip post, and flexible off-load effect is further realized by the first rubber strip post, it is ultimately transferred to the pulsation of steel column
Energy is just smaller, and girder section bar is shorter in length than due to rear board during this, thus is not extruded by steel column.With
This will be simultaneously because the barrier effect of front panel, the transient pressure that acoustic board is subject to also significantly will be buffered and weakened；Adjacent two
It can also be impacted between individual acoustic barrier unit board by train pulsating wind pressure, but the flexible off-load effect of the second rubber strip post can be big
Reduce the pressure transmission between two neighboring acoustic barrier unit board greatly, significantly reduce the side knock pressure to connecting bolt.
When the train tailstock by when, will appear from negative direction pulsating wind pressure, i.e. rear board and become as the direct of train negative direction pulsating wind pressure
Bearing plate, its off-load effect with it is above-mentioned similarly.
Specifically, it is separately installed with first rubber between the front panel and the close upper lower girder section bar
Adhesive tape post, the first rubber strip post is separately installed between the rear board and the close upper lower girder section bar；
Position between the girder section bar of two adjacent acoustic barrier unit boards close to front and rear both sides is separately installed with described in one
Second rubber strip post.This structure makes the stress between each part more balanced.
In order to reduce the fretting wear of junction between front panel, rear board and girder section bar, the acoustic barrier unit board
The both sides of girder section bar be separately installed with threeth wear-resisting for damping close to the position of the front panel and the rear board
Rubber strip post.
Preferably, the 3rd rubber strip post is installed on the supporting walls of the acoustic barrier unit board girder section bar both sides
On.
The beneficial effects of the utility model are：
The utility model is realized by front and rear two group of first rubber strip post to be made to the off-load flexible step by step of train pulsating wind pressure
With making to act on the train pulsating wind pressure on front panel and largely discharged, significantly reduced before acoustic barrier unit board
The transient pressure being subject on panel, main structure and acoustic board；Meeting is acted on by the flexible off-load of front and rear two the second rubber strip posts
The pulsating wind pressure transmission between two neighboring acoustic barrier unit board is greatly reduced, the side knock wind to connecting bolt is reduced
Pressure；The shake of junction between front panel, rear board and girder section bar is reduced by the wear-resisting effect of the damping of the 3rd rubber strip post
Dynamic and fretting wear；The service life of flexible off-load formula high ferro metal sound barrier described in the utility model is significantly improved, and
Reduce potential safety hazard, it is adaptable to the railway of each speed class, be particularly suitable for use in high-speed railway.
Brief description of the drawings
Fig. 1 is that the right side of the acoustic barrier unit board of flexible off-load formula high ferro metal sound barrier described in the utility model shows depending on structure
It is intended to, internal structure is shown in figure；
Fig. 2 is the right side of the two neighboring acoustic barrier unit board of flexible off-load formula high ferro metal sound barrier described in the utility model
Depending on structural representation, internal structure is shown in figure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, flexible off-load formula high ferro metal sound barrier described in the utility model is by multiple sound barrier units
Plate is formed by connecting, and acoustic barrier unit board includes girder section bar 8, front panel 4, support section bar 5, acoustic board 6 and rear board 7, sound absorption
Plate 6 is placed between front panel 4 and rear board 7, is respectively mounted between front panel 4 and acoustic board 6, between acoustic board 6 and rear board 7
There is support section bar 5, the two ends of support section bar 5 connect girder section bar 8 respectively；Between front panel 4 and close girder section bar 8, after
One is separately installed between panel 7 and close girder section bar 8 is used for the first rubber strip post 3 of flexible off-load, the first rubber
Bar post 3 is 4 altogether, is leaned between the girder section bar 8 that can also be as needed two more a plurality of, adjacent acoustic barrier unit boards
The position of both sides, which is separately installed with one, after nearby is used for the second rubber strip post 1 of flexible off-load, the girder of acoustic barrier unit board
The both sides of section bar 8 are respectively provided with the bolt hole of installation bolt, sound barrier unit close to the position of front panel 4 and rear board 7
The threeth rubber strip post 2 wear-resisting for damping is separately installed with the supporting walls of the both sides of girder section bar 8 of plate.
In said structure, girder section bar 8, front panel 4, support section bar 5, acoustic board 6, rear board 7, the first rubber strip post 3,
Concrete shape, size and the material of second rubber strip post 1 and the 3rd rubber strip post 2 are realized using prior art, are not
Protection object of the present utility model, such as：Girder section bar 8 and support section bar 5 can use aluminum alloy frame, and both connect to be formed
Rectangular overall skeleton；Front panel 4 and rear board 7 can use rectangular aluminium alloy plate or inorganic board or metallic plate；Inhale
The sheet material that sound plate 6 can be produced using materials such as mineral wool, rock wools；First rubber strip post 3, the second rubber strip post 1 and the 3rd rubber
Adhesive tape post 2 can use EPDM bipeltate bar.
As depicted in figs. 1 and 2, using when, train at a high speed pass through the track between two row's sound barriers, train fluctuating wind
Pressure is acted directly on the front panel 4 of acoustic barrier unit board, and the pulsating wind pressure passes through front panel 4 and close girder section bar first
The first rubber strip post 3 between 8 realizes flexible off-load effect, and the pulsation energy for being delivered to the girder section bar 8 close to front panel 4 will
Buffered and decayed, the girder section bar 8 and first rubber adjacent with rear board 7 close to rear board 7 are then passed to successively
Bar post 3, the first rubber strip post 3 between rear board 7 and adjacent girder section bar 8 further realizes flexible off-load effect, finally
The pulsation energy for passing to steel column is just smaller, and girder section bar 8 is shorter in length than due to rear board 7 during this, because
Without being extruded by steel column.At the same time due to the barrier effect of front panel 4, the transient pressure that acoustic board 6 is subject to also is incited somebody to action
To significantly buffering and decrease；It can also be impacted between two neighboring acoustic barrier unit board by train pulsating wind pressure, but the second rubber
The flexible off-load effect of adhesive tape post 1 can greatly reduce the pulsating wind pressure transmission between two neighboring acoustic barrier unit board, reduction pair
The side knock blast of connecting bolt；The wear-resisting effect of damping of 3rd rubber strip post 2 reduces front panel, rear board and girder type
The fretting wear of junction between material.
When the train tailstock by when, will appear from negative direction pulsating wind pressure, i.e. rear board 7 and become as train negative direction fluctuating wind
Pressure direct bearing plate, its off-load effect with it is above-mentioned similarly.
From the foregoing, it will be observed that the pulsating wind pressure that whole each position of sound barrier is subject to can be released and weaken, so that from entirety
On protect sound barrier, extend its service life, reduce potential safety hazard.
Above-described embodiment is preferred embodiment of the present utility model, is not the limit to technical solutions of the utility model
System, as long as the technical scheme that can be realized without creative work on the basis of above-described embodiment, is regarded as falling into
In the rights protection scope of the utility model patent.
Claims (4)
1. a kind of flexible off-load formula high ferro metal sound barrier, is formed by connecting by multiple acoustic barrier unit boards, it is characterised in that：It is described
Acoustic barrier unit board includes girder section bar, front panel, support section bar, acoustic board and rear board, the acoustic board be placed in it is described before
Between panel and the rear board, between the front panel and the acoustic board, between the acoustic board and the rear board point
The support section bar is not installed, the upper and lower ends of the support section bar are connected with two girder section bars respectively, it is described before
Both sides of the upper and lower side of the upper and lower side of panel and the rear board respectively with the two up and down girder section bars are connected；Before described
First for flexible off-load is separately installed between plate and the girder section bar, between the rear board and the girder section bar
The second rubber for flexible off-load is installed between rubber strip post, the girder section bar of adjacent two acoustic barrier unit boards
Bar post.
2. flexible off-load formula high ferro metal sound barrier according to claim 1, it is characterised in that：Above and below the front panel
The first rubber strip post, the rear board are separately installed between two ends and the up and down side of two girder section bars
Upper and lower ends and the first rubber strip post is separately installed between the opposite side of two girder section bars up and down；Phase
Position between the girder section bar of two adjacent acoustic barrier unit boards close to front and rear both sides is separately installed with one article described the
Two rubber strip posts.
3. flexible off-load formula high ferro metal sound barrier according to claim 1 or 2, it is characterised in that：The sound barrier list
The both sides of the girder section bar of first plate are separately installed with wear-resisting for damping close to the position of the front panel and the rear board
3rd rubber strip post.
4. flexible off-load formula high ferro metal sound barrier according to claim 3, it is characterised in that：The 3rd rubber strip post
On the supporting walls for being installed on the girder section bar both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200482.6U CN206319266U (en) | 2016-11-08 | 2016-11-08 | A kind of flexible off-load formula high ferro metal sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200482.6U CN206319266U (en) | 2016-11-08 | 2016-11-08 | A kind of flexible off-load formula high ferro metal sound barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319266U true CN206319266U (en) | 2017-07-11 |
Family
ID=59262476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200482.6U Expired - Fee Related CN206319266U (en) | 2016-11-08 | 2016-11-08 | A kind of flexible off-load formula high ferro metal sound barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905131A (en) * | 2017-12-22 | 2018-04-13 | 中国铁路设计集团有限公司 | A kind of non-metal sound barrier connecting structure for cell board |
-
2016
- 2016-11-08 CN CN201621200482.6U patent/CN206319266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905131A (en) * | 2017-12-22 | 2018-04-13 | 中国铁路设计集团有限公司 | A kind of non-metal sound barrier connecting structure for cell board |
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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 |
Granted publication date: 20170711 Termination date: 20201108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |