CN110373960A - Flexible railway roadbed vibration-proof structure - Google Patents
Flexible railway roadbed vibration-proof structure Download PDFInfo
- Publication number
- CN110373960A CN110373960A CN201910675366.1A CN201910675366A CN110373960A CN 110373960 A CN110373960 A CN 110373960A CN 201910675366 A CN201910675366 A CN 201910675366A CN 110373960 A CN110373960 A CN 110373960A
- Authority
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- China
- Prior art keywords
- flexible
- shell
- vibration
- roadbed
- railway roadbed
- 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.)
- Granted
Links
- 241001669679 Eleotris Species 0.000 claims abstract description 22
- 239000011229 interlayer Substances 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 4
- 238000013016 damping Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001629 suppression Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of flexible railway roadbed vibration-proof structures, including track, sleeper and roadbed, the sleeper is arranged on roadbed, and the track is arranged on sleeper, and pad is equipped with flexible railway roadbed between the sleeper and roadbed, the flexibility railway roadbed includes bed base, flexible pad and floating seat, the bed base is fixed on roadbed, and upside offers flexible slot, and the flexible pad is fixed on the slot bottom of flexible slot, the floating seat is arranged in flexible pad, and the sleeper is fixed on floating seat.Flexible railway roadbed vibration-proof structure of the invention, pass through the setting of flexible pad, can effectively realize and effectively carry out the effect of a vibration damping in the principle that dielectric interface can occur to reflect and transmit using vibration, so compared with the prior art in ballast bed structure, there is preferable effectiveness in vibration suppression.
Description
Technical field
The present invention relates to a kind of vibration-proof structure, more particularly to a kind of flexible railway roadbed vibration-proof structure.
Background technique
As China's subway line opens the increase of mileage, the vibration and noise reducing of underground railway track structure is more and more important.Owner
Complaint, the raising of quality of life gradates this technical problem of noise for livelihood issues or even political issue, by
Social concerns.Various damper rails are used in city undergrounds such as Beijing, Shanghai, Guangzhou, Shenzhen, Nanjing in recent years thus and are arranged
It applies, vibration damping rank steps up, and has formulated some standards.
However, what is comed one after another is wave mill while China's city underground track vibration-reducing obtains very great achievement and achievement
The problems such as appearance, internal car noise increase.If rail undulatory wear more early occurs in a plurality of vibration damping section route of Beijing Metro, have
Location is also very serious, occurs again quickly after polishing.Nearly more than one since century, the shortwave abrasion of rail are always in the railway system
A still unsolved problem, rail corrugation not only causes the pollution of noise, but also increases maintenance cost.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide one kind, can to extend underground railway track structure vertical
Reduce the flexible railway roadbed vibration-proof structure of resonance effects natural vibration period.
To achieve the above object, the present invention provides the following technical scheme that a kind of flexibility railway roadbed vibration-proof structure, including rail
Road, sleeper and roadbed, the sleeper are arranged on roadbed, and the track is arranged on sleeper, pad between the sleeper and roadbed
Equipped with flexible railway roadbed, the flexibility railway roadbed includes bed base, flexible pad and floating seat, and the bed base is fixed on roadbed, and upside is opened
Equipped with flexible slot, the flexible pad is fixed on the slot bottom of flexible slot, and the floating seat is arranged in flexible pad, and the sleeper is fixed
On floating seat.
As a further improvement of the present invention, the flexible pad is made by flexible material rubber.
As a further improvement of the present invention, the flexible pad includes shell, interlayer board and filling liquid, the shell setting
Between the slot bottom and floating seat of flexible slot, the inner space of shell inside the shell, is divided into upper and lower two by the interlayer board setting
A space, there are two types of the filling liquid is set, and density is different, fill respectively be split to form inside the shell by interlayer board it is upper
In lower two spaces.
As a further improvement of the present invention, the interlayer board includes driving device, sheet frame and the plate being covered on sheet frame
Film, the scalable setting of sheet frame, a frame side are rotatably arranged on shell, and the plate film is elastic film, the driving
Device is arranged on the lateral wall of shell, and links with sheet frame, to drive sheet frame to magnify diminution and rotate inside the shell.
As a further improvement of the present invention, the driving device includes driving motor, and the fuselage of the driving motor is solid
It is scheduled on the lateral wall of shell, shaft is connect after passing through shell with the frame side of sheet frame, and the sheet frame includes bottom bar and three combinations
Bar, the bottom bar, which with three combines boom end and is fixed to each other, constitutes square frame structure, and the plate film is covered on frame structure
On, the scalable setting of the compound rod, and link with the shaft of driving motor, before driving motor driving bottom bar rotation
Drive compound rod flexible.
As a further improvement of the present invention, the compound rod includes attachment base, bar spring and connecting rope, the attachment base
It is fixed on the end of bar spring, and is connect with the end of bottom bar, so that bar spring is combined with bottom bar constitutes square frame
Face is covered on it for plate film in structure, and one end of the connecting rope is fixedly connected with the shaft side of driving motor, and the other end is worn
It is reattached in the shaft of driving motor after crossing whole attachment base and bar spring.
As a further improvement of the present invention, fixed pulley is equipped in the attachment base, when connecting rope is passed through from attachment base
When, connecting rope is wound on fixed pulley.
Beneficial effects of the present invention can effectively be constituted one and be transported for subway by the setting of track, sleeper and roadbed
Capable rail system, and the setting of the flexible railway roadbed by being made of flexible pad and bed base and floating seat can be transmitted in vibration
During, reflection and transmission occurs using the dielectric interface between flexible pad and bed base, so realizes one well
The effect of vibration damping reduces generated noise and caused influence during subway circulation.
Detailed description of the invention
Fig. 1 is the overall structure figure of flexible railway roadbed vibration-proof structure of the invention；
Fig. 2 is the overall structure figure of the flexible pad in Fig. 1；
Fig. 3 is the overall structure figure of the interlayer board in Fig. 2.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Shown in 3, a kind of flexible railway roadbed vibration-proof structure of the present embodiment, including track 1, sleeper 2 and roadbed 4,
The sleeper 2 is arranged on roadbed 4, and the track 1 is arranged on sleeper 2, and pad is equipped with flexibility between the sleeper 2 and roadbed 4
Railway roadbed 3, the flexibility railway roadbed 3 includes bed base 31, flexible pad 32 and floating seat 33, and the bed base 31 is fixed on roadbed 4, upside
Flexible slot 311 is offered, the flexible pad 32 is fixed on the slot bottom of flexible slot 311, and the floating seat 33 is arranged in flexible pad 32
On, the sleeper 2 is fixed on floating seat 33, during using the vibration-proof structure of the present embodiment, is outputed on the ground first
Then roadbed 4 digs out flexible slot 311 by way of excavating on roadbed 4 and constitutes bed base 31, then again places flexible pad 32
In flexible slot 311, floating seat 33 is placed on the top of flexible pad 32, and then sleeper 2 and track 1 are successively set on floating seat 33
, so generated vibration will be produced by the dielectric interface between flexible pad 32 and bed base 31 during subway circulation
Raw reflection and reflected effect, can effectively realize the effect of a vibration damping in this way, avoid in the prior art because subway is transported
A series of problem caused by row vibrates.
As a kind of improved specific embodiment, the flexible pad 32 is made by flexible material rubber, rubber tool
There is stronger flexibility, it is larger with the 31 material gap of bed base of rigid structure, therefore being capable of effective shape between bed base 31
At a dielectric interface, it can so be realized using the reflection of dielectric interface and transmission principle and the vibration damping of vibration wave is made
With.
As a kind of improved specific embodiment, the flexible pad 32 includes that shell 321, interlayer board 322 and filling are situated between
Matter 323, the shell 321 are arranged between the slot bottom of flexible slot 311 and floating seat 33, and the interlayer board 322 is arranged in shell 321
It is interior, the inner space of shell 321 is divided into two spaces up and down, there are two types of the filled media 323 is set, and the mutual not phase of density
Together, it is filled in respectively in the interior two spaces up and down being split to form by interlayer board 322 of shell 321, is transmitted to flexible pad in vibration
When 32, vibration wave can enter inside shell 321 first through shell 321, and be transmitted in filled media 323, and by
Shell 321 in this present embodiment is relatively thin, therefore can be ignored, and the filled media 323 of such lower space will pass through
Dielectric interface is formed between shell 321 and the slot bottom of flexible slot 311, can so increase the reflection and transmission effect of vibration wave
Fruit is also to be made up of dielectric interface interlayer board 322 between corresponding upper layer and lower layer filled media 323, so realizes again
Vibration damping is carried out, the filled media 323 in the present embodiment can be water and the mutually different liquid of oily isodensity.
As a kind of improved specific embodiment, the interlayer board 322 includes driving device 3223, sheet frame 3221 and covers
The plate film 3222 on sheet frame 3221 is covered, the scalable setting of the sheet frame 3221, a frame side is rotatably arranged on shell 321
On, the plate film 3222 is elastic film, and the driving device 3223 is arranged on the lateral wall of shell 321, and and sheet frame
3221 linkages can be generated various with driving sheet frame 3221 to open big diminution and rotating in shell 321 during subway circulation
The vibration of various kinds, then various vibration waves will be also generated, and the penetration capacity of different vibration waves is different
, if the weaker vibration wave of penetration capacity by if multiple interfaces, be easy for occurring vibration wave two interfaces it
Between the problem of being transmitted repeatedly, finally single unit system being caused to resonate, therefore by the way that interlayer board 322 is arranged to driving device
3223, the mode of sheet frame 3221 and plate film 3222, when just may be implemented in the vibration wave progress vibration damping weaker for penetrability,
The mode for driving sheet frame 3221 using driving device 3223 and then rotating with movable plate film 3222, can will be in upper layer and lower layer space
Filled media mixed, the dielectric interface between upper layer and lower layer filled media 323 is eliminated with this, so avoids demarcating
The problem of resonance caused by face is excessive, and plate film 3222 can be arranged to permeable membrane in the present embodiment, filled media 323 is
The mode of immiscible two media realizes that when not needing to be mixed, bilevel filled media 323 can
It is layered again by permeable membrane and forms dielectric interface.
As a kind of improved specific embodiment, the driving device 3223 includes driving motor 32231, the driving
The fuselage of motor 32231 is fixed on the lateral wall of shell 321, and shaft is connect after passing through shell 321 with the frame side of sheet frame 3221,
The sheet frame 3221 includes bottom bar 32211 and three compound rods 32212, the bottom bar 32211 and three 32212 ends of compound rod
It is fixed to each other and constitutes square frame structure, on the frame structure, the compound rod 32212 can be stretched for the covering of plate film 3222
Contracting setting, and link with the shaft of driving motor 32231, to be driven before driving motor 32231 drives bottom bar 32211 to rotate
Compound rod 32212 is flexible, by the setting of driving motor 32231, can effectively realize the effect that driving sheet frame 3221 rotates,
It is arranged to bottom bar 32211 and the combined structure of compound rod 32212 by using by sheet frame 3221, makees using bottom bar 32211
For the basic bar of rotation, a rectangular frame structure then is constituted using compound rod 32212, so can effectively realize one
A 322 structure of telescopic interlayer board, so when needing to cancel the interface between filled media 323, it is only necessary to which driving is driven
Dynamic motor 32231 rotates.
As a kind of improved specific embodiment, the compound rod 32212 includes attachment base 5, bar spring 6 and connecting rope
7, the attachment base 5 is fixed on the end of bar spring 6, and is connect with the end of bottom bar 32211, so that bar spring 6 and bottom
The combination of bar 32211 constitutes square frame structure, and face, one end of the connecting rope 7 and driving is covered on it for plate film 3222
The shaft side of motor 32231 is fixedly connected, and the other end is reattached to driving after passing through whole attachment base 5 and bar spring 6
In the shaft of motor 32231, the attachment base 5 in the present embodiment is L-type seat shape, and both ends are fixedly connected with the end of bar spring 6, even
Splicing 7 passes through among bar spring 6 and attachment base 5, when bar spring 6 is in reset state, compound rod 32212 and bottom bar
A square frame structure is constituted between 32211, and in the rotation of the shaft of driving motor 32231, due to 3222 He of plate film
The presence of square frame structure will be filled out when interlayer board 322 wants rotation by upper layer filled media 323 and lower layer
Filling medium 323 is hindered, therefore during the rotation of 32231 shaft of driving motor, driving motor 32231 is unable to drive at this time
Bottom bar 32211 rotates, can be first by connecting rope 7 in the shaft of driving motor 322231, in the process that connecting rope 7 is wound
In, the connecting rope 7 outside residue will be gradually shortened, therefore corresponding bar spring 6 will shorten savings elastic force, when bar spring 6
The elastic force of generation and when the resistance between square frame structure and filled media 323 is at the same level at this time, driving motor
32231 shaft can effectively have rotated with whole interlayer board 322, can be effectively by bilevel filled media
323 are mixed, and so can effectively be realized and be eliminated the interface between filled media 323, and overall process letter
It is single, it is only necessary to the shaft of driving motor 32231 be driven to rotate.
As a kind of improved specific embodiment, fixed pulley 51 is equipped in the attachment base 5, when connecting rope 7 is from connection
When passing through in seat 5, connecting rope 7 is wound on fixed pulley 51, by the setting of fixed pulley 51, can effectively be slided for connecting rope 7,
Avoid the problem that fracture damage caused by rubbing between connecting rope 7 and attachment base 5.
In conclusion the vibration-proof structure of the present embodiment can effectively pass through flexible pad by the setting of flexible railway roadbed 3
32 and flexible slot 311 setting constitute an interface, so can by the reflection and transmission principle of interface realize for ground
The vibration that iron generates during running carries out damping effect.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of flexibility railway roadbed vibration-proof structure, including track (1), sleeper (2) and roadbed (4), the sleeper (2) are arranged in roadbed
(4) on, the track (1) is arranged on sleeper (2), it is characterised in that: pad is equipped with soft between the sleeper (2) and roadbed (4)
Property railway roadbed (3), it is described flexibility railway roadbed (3) include bed base (31), flexible pad (32) and floating seat (33), the bed base (31) is fixed on
On roadbed (4), upside is offered flexible slot (311), and the flexible pad (32) is fixed on the slot bottom of flexible slot (311), institute
It states floating seat (33) to be arranged on flexible pad (32), the sleeper (2) is fixed on floating seat (33).
2. flexibility railway roadbed vibration-proof structure according to claim 1, it is characterised in that: the flexible pad (32) is by flexible material
Rubber is made.
3. flexibility railway roadbed vibration-proof structure according to claim 1, it is characterised in that: the flexible pad (32) includes shell
(321), interlayer board (322) and filled media (323), slot bottom and floating seat of shell (321) setting in flexible slot (311)
(33) between, interlayer board (322) setting is divided into two up and down in shell (321), by the inner space of shell (321)
Space, there are two types of the filled media (323) sets, and density is different, is filled in shell (321) respectively by interlayer board
(322) in the two spaces up and down being split to form.
4. flexibility railway roadbed vibration-proof structure according to claim 3, it is characterised in that: the interlayer board (322) includes driving
Device (3223), sheet frame (3221) and the plate film (3222) being covered on sheet frame (3221), the sheet frame (3221) is scalable to be set
It sets, a frame side is rotatably arranged on shell (321), and the plate film (3222) is elastic film, the driving device
(3223) be arranged on the lateral wall of shell (321), and with sheet frame (3221) link, with drive sheet frame (3221) magnify diminution and
The rotation in shell (321).
5. flexibility railway roadbed vibration-proof structure according to claim 4, it is characterised in that: the driving device (3223) includes driving
Dynamic motor (32231), the fuselage of the driving motor (32231) are fixed on the lateral wall of shell (321), and shaft passes through shell
(321) it is connect afterwards with the frame side of sheet frame (3221), the sheet frame (3221) includes bottom bar (32211) and three compound rods
(32212), the bottom bar (32211) and three compound rod (32212) ends, which are fixed to each other, constitutes square frame structure, described
Plate film (3222) cover on the frame structure, the scalable setting of compound rod (32212), and with driving motor (32231)
Shaft linkage, with before driving motor (32231) driving bottom bar (32211) rotation driving compound rod (32212) it is flexible.
6. flexibility railway roadbed vibration-proof structure according to claim 5, it is characterised in that: the compound rod (32212) includes connecting
Joint chair (5), bar spring (6) and connecting rope (7), the attachment base (5) is fixed on the end of bar spring (6), and and bottom bar
(32211) end connection, so that bar spring (6) is combined with bottom bar (32211) constitutes square frame structure, for plate film
(3222) face is covered on it, one end of the connecting rope (7) is fixedly connected with the shaft side of driving motor (32231), separately
One end is reattached in the shaft of driving motor (32231) after passing through whole attachment base (5) and bar spring (6).
7. flexibility railway roadbed vibration-proof structure according to claim 6, it is characterised in that: be equipped in the attachment base (5) fixed sliding
It takes turns (51), when connecting rope (7) is passed through from attachment base (5), connecting rope (7) is wound on fixed pulley (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675366.1A CN110373960B (en) | 2019-07-24 | 2019-07-24 | Flexible ballast bed vibration damping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675366.1A CN110373960B (en) | 2019-07-24 | 2019-07-24 | Flexible ballast bed vibration damping structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110373960A true CN110373960A (en) | 2019-10-25 |
| CN110373960B CN110373960B (en) | 2024-04-09 |
Family
ID=68255838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910675366.1A Active CN110373960B (en) | 2019-07-24 | 2019-07-24 | Flexible ballast bed vibration damping structure |
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| Country | Link |
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| CN (1) | CN110373960B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002227101A (en) * | 2001-02-06 | 2002-08-14 | Odakyu Dentetsu Kk | Sleeper-integrated concrete ballast structure for railway line |
| CN106283943A (en) * | 2016-10-09 | 2017-01-04 | 北京交通大学 | Elastic roadbed structure |
| CN106758554A (en) * | 2016-12-30 | 2017-05-31 | 和振兴 | A kind of sleeper type vibration-proof structure, non-fragment orbit and method for maintaining |
| CN206721580U (en) * | 2017-05-12 | 2017-12-08 | 成都博仕腾科技有限公司 | A kind of rail dampener |
| CN108951306A (en) * | 2018-09-10 | 2018-12-07 | 北京市劳动保护科学研究所 | Ballast track railway roadbed and its construction method |
| CN109610670A (en) * | 2018-12-28 | 2019-04-12 | 深圳防灾减灾技术研究院 | Lid building three-dimemsional vibration insulationg system above subway |
| CN210766205U (en) * | 2019-07-24 | 2020-06-16 | 深圳防灾减灾技术研究院 | Flexible ballast bed vibration damping structure |
-
2019
- 2019-07-24 CN CN201910675366.1A patent/CN110373960B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002227101A (en) * | 2001-02-06 | 2002-08-14 | Odakyu Dentetsu Kk | Sleeper-integrated concrete ballast structure for railway line |
| CN106283943A (en) * | 2016-10-09 | 2017-01-04 | 北京交通大学 | Elastic roadbed structure |
| CN106758554A (en) * | 2016-12-30 | 2017-05-31 | 和振兴 | A kind of sleeper type vibration-proof structure, non-fragment orbit and method for maintaining |
| CN206721580U (en) * | 2017-05-12 | 2017-12-08 | 成都博仕腾科技有限公司 | A kind of rail dampener |
| CN108951306A (en) * | 2018-09-10 | 2018-12-07 | 北京市劳动保护科学研究所 | Ballast track railway roadbed and its construction method |
| CN109610670A (en) * | 2018-12-28 | 2019-04-12 | 深圳防灾减灾技术研究院 | Lid building three-dimemsional vibration insulationg system above subway |
| CN210766205U (en) * | 2019-07-24 | 2020-06-16 | 深圳防灾减灾技术研究院 | Flexible ballast bed vibration damping structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110373960B (en) | 2024-04-09 |
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