CN101372823B - Design method and structure of resonant type dynamic track vibration damping denoising fastener - Google Patents
Design method and structure of resonant type dynamic track vibration damping denoising fastener Download PDFInfo
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- CN101372823B CN101372823B CN2008102305297A CN200810230529A CN101372823B CN 101372823 B CN101372823 B CN 101372823B CN 2008102305297 A CN2008102305297 A CN 2008102305297A CN 200810230529 A CN200810230529 A CN 200810230529A CN 101372823 B CN101372823 B CN 101372823B
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Abstract
A designing method for a vibration-noise reduction fastener of a resonance dynamic orbit is to design one or a plurality of dynamic resonance quality units with adjustable frequency and multi-freedom degrees. The dynamic resonance quality units are arranged between the lower elastic backing plate and the middle elastic backing plate of the orbit and are clamped in one or a plurality of resonance cavities formed in the middle of an upper iron backing plate, so as to lead the setting frequencies of the dynamic resonance quality units to be equal or close to the central frequency of wheel orbit encourage and steel orbit wave degree to restrain, transfer and absorb the vibration energy of the steel orbit, thereby weakening the vibration extent of the steel orbit and restraining the generating and increasing of the steel orbit wave degree, and further reducing the retroaction of the radiation noise of the steel orbit and the steel oil to the wheel. The fastener consists of the lower elastic backing plate of the orbit 3, the upper iron backing plate 4, an elastic strip connection seat 5, a resonance cavity a6, a resonance cavity b7, a macromolecule elastic ring sleeve a8, a macromolecule elastic ring sleeve a9, a resonance quality mass b10, a resonance quality mass a11, the middle elastic backing plate 12, a lower iron backing plate 13, a coupling backing plate 14, a tack hole 15, an anchoring bolt 16 and a sleeper 17.
Description
Technical field
The invention belongs to the track vibration damping denoising technical field, lay or a kind of resonant type dynamic track vibration damping denoising fastener method for designing and the structure of old line in transforming especially for use in ew lines such as city underground, light rail, inter-city passenger rail and high-speed railway traffic.
Background technology
At present, adopt the fastener vibration damping to face a restriction: improve vibration isolating effect, must reduce the vertical stiffness of fastener system, this method can effectively be controlled the propagation to sub rail foundation of wheel-rail impact vibration and noise, but simultaneously also will cause the increase of rail vibration, and then increase the reaction of rail noise radiation and rail wheel at rf amplitude.
Using the fastener vibration damping simultaneously rail to be sticked the damping sheet processing, complex process and effectiveness in vibration suppression are relatively poor; Using the fastener vibration damping to adopt special additional rail dynamic shock absorber simultaneously, cost an arm and a leg, mounting process is complicated and increased the workload that track overhauls, and is difficult to be applied in actual production.
At present, there is no report and the product that in the track vibration-reducing fastener system, directly designs the dynamic resonance mass unit both at home and abroad.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of resonant type dynamic track vibration damping denoising fastener method for designing and structure, this method for designing comprises the dynamic resonance mass unit, promptly on Damping fastening principal mass spring system, add sub-vibrational system, when rail vibration takes place, the dynamic resonance mass unit produces resonance, thereby realize to the contrary system of rail vibration and to the transfer and the absorption of its vibrational energy, decay rail amplitude, to reduce the noise radiation that rail causes because of vibration, the resonance band that also designs simultaneously corresponding rail wave is come the generation and the increase of contrary system rail wave degree, thereby control invar rail wave degree is to the vibration and the noise of the excitation and the generation of wheel track.
For achieving the above object, the present invention adopts following technical scheme:
Described resonant type dynamic track vibration damping denoising fastener method for designing, it is the multiple degrees of freedom dynamic resonance mass unit of one of design or several frequency adjustable, this dynamic resonance mass unit is under the rail between the resilient sleeper-bearing and middle resilient sleeper-bearing and is clamped in goes up formed one or several resonators in the middle of the iron chair, its setpoint frequency is equaled or near the centre frequency of wheel track excitation and rail wave degree, to suppress, shift and absorption rail vibration energy, thereby decay rail vibration amplitude, and suppress the generation and the increase of rail wave degree, and then reduce the reaction of rail radiated noise and rail to wheel.
Described resonant type dynamic track vibration damping denoising fastener method for designing, the multiple degrees of freedom dynamic resonance mass unit of its frequency adjustable comprises resonant mass gauge block, rubber tie plate under rail, intermediate rubber backing plate and high polymer elastic ring set.
Described resonant type dynamic track vibration damping denoising fastener method for designing, the dynamic resonance mass unit of its frequency adjustable are meant that the rigidity of rubber pad, intermediate rubber pad and high polymer elastic ring set under the quality of resonant mass gauge block or volume and the rail is adjustable.
Described resonant type dynamic track vibration damping denoising fastener method for designing, on it in the middle of iron chair formed one or several resonators can be circular, or oval, or square, or rectangle.
Described resonant type dynamic track vibration damping denoising fastener method for designing, its resonator can be to be symmetrical arranged in the rail both sides, or asymmetric setting.
Described resonant type dynamic track vibration damping denoising fastener method for designing, its resonator can be provided with one in rail one side, or two and more than, two and above cavity resonator structure are identical, but resonant mass gauge block quality or volume difference, or the rigidity difference of rubber pad, intermediate rubber pad and high polymer elastic ring set under the rail.
Described resonant type dynamic track vibration damping denoising fastener method for designing, its high polymer elastic ring set adopt rubber to make, or adopt rubber blend to make, or adopt plastics to make.
Described resonant type dynamic track vibration damping denoising fastener method for designing, its high polymer elastic ring set and resonant mass gauge block or the connected mode that goes up between iron chair can adopt sulfuration or gluing, or adopt not bonding connected mode.
Described resonant type dynamic track vibration damping denoising fastener project organization is by resilient sleeper-bearing under the rail, last iron chair, the spring Connection Block, resonator a, resonator b, high polymer elastic ring set a, high polymer elastic ring set b, resonant mass gauge block b, resonant mass gauge block a, middle resilient sleeper-bearing, following iron chair, the coupling backing plate, the nail hole, anchor bolt, sleeper is formed, wherein resilient sleeper-bearing is last iron chair down under the rail, the spring Connection Block is arranged on the both sides of last iron chair, the spring Connection Block connects spring and track gauge block, resonator a resonant cavity b is set on the last iron chair, difference filled high polymer elasticity ring set a and high polymer elastic ring set b and resonant mass gauge block a and resonance mass b in the resonator a resonant cavity b, middle resilient sleeper-bearing is arranged under the last iron chair, iron chair under under the middle resilient sleeper-bearing being, following iron chair is the coupling backing plate down, there is the nail hole following iron chair end, nail establish anchor bolt in the hole and be connected sleeper or the basis on.
Because adopt aforesaid technical scheme, the present invention has following superiority:
1, resonant mode track dynamic vibration and noise reduction fastener designs based on general or special track vibration-reducing fastener, has directly designed the dynamic resonance mass unit in Damping fastening.When rail vibration took place, the dynamic resonance mass unit produced resonance, thereby realized transfer and absorption to vibrational energy, decay rail amplitude.
2, dynamic resonance also designs the generation and the increase of the next contrary system rail wave degree of resonance band of corresponding rail wave, thereby control invar rail wave degree is to the vibration and the noise of the excitation and the generation of wheel track.And the design of the tuned mass unit of resonant type dynamic track vibration damping denoising fastener does not exert an influence to normal track construction, have effect of vibration and noise reduction good, do not increase additional system, cost performance height, a series of characteristics such as easy to use, can be applicable to track vibration damping denoising.
3, the present invention is simple in structure, and is easy to use, can effectively replace special additional rail dynamic shock absorber, reduces cost greatly, makes things convenient for the track service work, easy to utilize.
Description of drawings
Fig. 1 is a structural representation of the present invention, and the right side symmetric part is omitted;
Fig. 2 is the vertical view of Fig. 1, and the right side symmetric part is omitted;
Fig. 3 is Figure 1A portion enlarged diagram.
Among the above-mentioned figure: 1-spring; 2-track gauge block; Resilient sleeper-bearing under 3-rail; 4-upward iron chairs; 5-spring Connection Block; 6-resonator a; 7-resonator b; 8-high polymer elastic ring set a; 9-high polymer elastic ring set b; 10-resonant mass gauge block a; 11-resonant mass gauge block b; 12-middle resilient sleeper-bearing; 13-following iron chair; 14-coupling backing plate; 15-nail hole; 16-anchor bolt; 17-sleeper or basis.
The specific embodiment
Resonant type dynamic track vibration damping denoising fastener method for designing of the present invention is the multiple degrees of freedom dynamic resonance mass unit of one of design or several frequency adjustable, this dynamic resonance mass unit is under the rail between the resilient sleeper-bearing and middle resilient sleeper-bearing and is clamped in goes up formed one or several resonators in the middle of the iron chair, its setpoint frequency is equaled or near the centre frequency of wheel track excitation and rail wave degree, to suppress, shift and absorption rail vibration energy, thereby decay rail vibration amplitude, and suppress the generation and the increase of rail wave degree, and then reduce the reaction of rail radiated noise and rail to wheel.
The multiple degrees of freedom dynamic resonance mass unit of frequency adjustable of the present invention comprises resonant mass gauge block, rubber tie plate under rail, intermediate rubber backing plate and high polymer elastic ring set.
The dynamic resonance mass unit of frequency adjustable of the present invention is meant that the rigidity of rubber pad, intermediate rubber pad and high polymer elastic ring set under the quality of resonant mass gauge block or volume and the rail is adjustable.
Of the present inventionly go up that formed one or several resonators can be circular in the middle of the iron chair, or oval, or square, or rectangle.
Resonator of the present invention can be to be symmetrical arranged in the rail both sides, or asymmetric setting.
Resonator of the present invention can be provided with one in rail one side, or two and more than, two and above cavity resonator structure are identical, but resonant mass gauge block quality or volume difference, or the rigidity difference of rubber pad, intermediate rubber pad and high polymer elastic ring ring set under the rail.
High polymer elastic ring set of the present invention adopts rubber to make, or adopts rubber blend to make, or adopts plastics to make.
High polymer elastic ring set of the present invention and resonant mass gauge block or the connected mode that goes up between iron chair can adopt sulfuration or gluing, or adopt not bonding connected mode.
In conjunction with Fig. 1,2,3, resonant type dynamic track vibration damping denoising fastener project organization of the present invention is by resilient sleeper-bearing under the rail 3, last iron chair 4, spring Connection Block 5, resonator a6, resonator b7, high polymer elastic ring set a8, high polymer elastic ring set b9, resonant mass gauge block b10, resonant mass gauge block a11, middle resilient sleeper-bearing 12, following iron chair 13, coupling backing plate 14, nail hole 15, anchor bolt 16, sleeper 17 is formed, wherein resilient sleeper-bearing is for 3 times last iron chair 4 under the rail, spring Connection Block 5 is arranged on the both sides of last iron chair 4, spring Connection Block 5 connects spring 1 and track gauge block 2, resonator a6 resonant cavity b7 is set on the last iron chair 4, difference filled high polymer elasticity ring set a8 and high polymer elastic ring set b9 and resonant mass gauge block a10 and resonance mass b11 in the resonator a6 resonant cavity b7, last iron chair has middle resilient sleeper-bearing 12 for 4 times, middle resilient sleeper-bearing is following iron chair 13 12 times, following iron chair is coupling backing plate 14 13 times, there is nail hole 15 following iron chair 14 ends, nail establish anchor bolt 16 in the hole 15 and be connected sleeper or basis 17 on.
Resilient sleeper-bearing 3 under the rail, middle resilient sleeper-bearing 12 and high polymer elastic ring set a8 and high polymer elastic ring set b9 and resonant mass gauge block a10 and resonance mass b11 constitute the multiple degrees of freedom dynamic resonance mass unit of frequency adjustable, when rail vibration takes place, the dynamic resonance mass unit of its both sides is respectively to the vibration generation resonance of different frequency scope, thereby suppress, shift and absorption rail vibration energy, decay rail vibration amplitude, and reduce the reaction of rail radiated noise and rail to wheel, the resonance band that also designs simultaneously corresponding rail wave suppresses the generation and the increase of rail wave degree, thereby control invar rail wave degree is to the vibration and the noise of the excitation and the generation of wheel track.
The present invention is not only to solving the vertical stiffness step-down of Damping fastening system, cause the problem of the increase of rail vibration amplitude, can effectively reduce rail vibration and radiated noise, and then reduction Orbital Transport Systems overall vibration and noise, the resonance band that designs corresponding rail wave is simultaneously come the generation and the increase of contrary system rail wave degree, thereby control invar rail wave degree is to the vibration and the noise of the excitation and the generation of wheel track.For the noise reduction requirement that does not change fastener system rigidity, the present invention can effectively replace special additional rail dynamic shock absorber, reduces cost greatly, makes things convenient for the track service work easy to utilize.
Claims (4)
1. resonant type dynamic track vibration damping denoising fastener method for designing, it is characterized in that: the multiple degrees of freedom dynamic resonance mass unit that is one of design or several frequency adjustable, this dynamic resonance mass unit is under the rail between the resilient sleeper-bearing and middle resilient sleeper-bearing and is clamped in goes up formed one or several resonators in the middle of the iron chair, its setpoint frequency is equaled or near the centre frequency of wheel track excitation and rail wave degree, to suppress, shift and absorption rail vibration energy, thereby decay rail vibration amplitude, and suppress the generation and the increase of rail wave degree, and then reduce the reaction of rail radiated noise and rail to wheel.
2. resonant type dynamic track vibration damping denoising fastener method for designing according to claim 1 is characterized in that: on it in the middle of iron chair formed one or several resonators can be circular, or oval, or square, or rectangle.
3. resonant type dynamic track vibration damping denoising fastener method for designing according to claim 1 is characterized in that: its resonator can be to be symmetrical arranged in the rail both sides, or asymmetric setting.
4. resonant type dynamic track vibration damping denoising fastener project organization, it is characterized in that: this structure is by resilient sleeper-bearing under the rail (3), last iron chair (4), spring Connection Block (5), resonator a (6), resonator b (7), high polymer elastic ring set a (8), high polymer elastic ring set b (9), resonant mass gauge block b (10), resonant mass gauge block a (11), middle resilient sleeper-bearing (12), following iron chair (13), coupling backing plate (14), nail hole (15), anchor bolt (16), sleeper (17) is formed, wherein resilient sleeper-bearing (3) is last iron chair (4) down under the rail, spring Connection Block (5) is arranged on the both sides of last iron chair (4), spring Connection Block (5) connects spring (1) and track gauge block (2), resonator a (6) resonant cavity b (7) is set on the last iron chair (4), difference filled high polymer elasticity ring set a (8) and high polymer elastic ring set b (9) and resonant mass gauge block a (11) and resonance mass b (10) in resonator a (6) the resonant cavity b (7), middle resilient sleeper-bearing (12) is arranged under the last iron chair (4), iron chair (13) under under the middle resilient sleeper-bearing (12) being, following iron chair (13) is coupling backing plate (14) down, there is nail hole (15) following iron chair (14) end, establishes anchor bolt (16) in nail hole (15) and is connected on the sleeper (17).
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| CN2008102305297A CN101372823B (en) | 2008-10-14 | 2008-10-14 | Design method and structure of resonant type dynamic track vibration damping denoising fastener |
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| CN2008102305297A CN101372823B (en) | 2008-10-14 | 2008-10-14 | Design method and structure of resonant type dynamic track vibration damping denoising fastener |
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| CN101372823A CN101372823A (en) | 2009-02-25 |
| CN101372823B true CN101372823B (en) | 2011-07-20 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343496B (en) * | 2013-07-10 | 2016-06-08 | 铁道第三勘察设计院集团有限公司 | A kind of track bump leveller |
| CN106894299B (en) * | 2017-03-03 | 2020-07-10 | 上海工程技术大学 | Multistage resonance track roadbed dynamic damping assembly of detachable |
| CN107254814B (en) * | 2017-03-14 | 2023-08-29 | 上海工程技术大学 | Multistage shearing type steel rail dynamic damping vibration absorber |
| CN110295518A (en) * | 2018-03-21 | 2019-10-01 | 洛阳双瑞橡塑科技有限公司 | A kind of resonant mode Damping fastening |
| CN110295517A (en) * | 2018-03-21 | 2019-10-01 | 洛阳双瑞橡塑科技有限公司 | A kind of resonant mode Damping fastening |
| CN110373958A (en) * | 2018-10-31 | 2019-10-25 | 中铁工程设计咨询集团有限公司 | A kind of Damping fastening system |
| CN111979850B (en) * | 2020-08-18 | 2022-04-26 | 华东交通大学 | Fastener arrangement method and system for controlling vibration of railway transition section |
| CN114541185A (en) * | 2022-04-25 | 2022-05-27 | 成都中拓科技有限公司 | Vibration absorption energy dissipation vibration reduction backing plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401139A (en) * | 2003-04-30 | 2004-11-03 | Corus Uk Ltd | Damper for a rail |
| WO2009059512A1 (en) * | 2007-11-07 | 2009-05-14 | Wai Lun Ho | Tunable vibration absorbing device |
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2008
- 2008-10-14 CN CN2008102305297A patent/CN101372823B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401139A (en) * | 2003-04-30 | 2004-11-03 | Corus Uk Ltd | Damper for a rail |
| WO2009059512A1 (en) * | 2007-11-07 | 2009-05-14 | Wai Lun Ho | Tunable vibration absorbing device |
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| CN101372823A (en) | 2009-02-25 |
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Owner name: LUOYANG SHUANGRUI RUBBER AND PLASTIC SCIENCE CO., Free format text: FORMER OWNER: CHINA SHIPBUILDING INDUSTRY CO., LTD. LUOYANG BRANCH CO.,LTD. Effective date: 20090821 |
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Effective date of registration: 20090821 Address after: Address 40, Binhe Road, hi tech Development Zone, Henan, Luoyang: 471039 Applicant after: Luoyang Shuangrui Rubber & Plastic Technology Co., Ltd. Address before: 21, Xiyuan Road, Jianxi District, Henan City, Luoyang Province, China: 471039 Applicant before: China Shipbuilding Industry Corp. Luoyang Branch |
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