CN109653037B - Rail vibration damper with vibration resistance - Google Patents
Rail vibration damper with vibration resistance Download PDFInfo
- Publication number
- CN109653037B CN109653037B CN201910046702.6A CN201910046702A CN109653037B CN 109653037 B CN109653037 B CN 109653037B CN 201910046702 A CN201910046702 A CN 201910046702A CN 109653037 B CN109653037 B CN 109653037B
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- Prior art keywords
- sleeve
- shock absorption
- elastic
- vibration
- guide structure
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- 230000035939 shock Effects 0.000 claims abstract description 88
- 238000010521 absorption reaction Methods 0.000 claims abstract description 56
- 238000013016 damping Methods 0.000 claims abstract description 40
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 238000007667 floating Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a track vibration damper with vibration resistance, which comprises an embedded sleeve, an elastic damper and a damping base, wherein the elastic damper comprises a damping bearing structure, a lower sleeve, an upper sleeve, a damping spring and a damping guide structure; the embedded sleeve is sleeved with an elastic shock absorber, and the top of the embedded sleeve is connected with the top of the elastic shock absorber. The invention has the rigidity in the horizontal direction and the vertical direction, and when the floating ballast bed is acted by horizontal earthquake, the embedded sleeve, the elastic shock absorber, the shock absorption base and the like act together to resist the horizontal acting force; the elastic shock absorber has transverse rigidity shock resistance, so that earthquake energy can be consumed to a great extent; the invention can adjust the damping spring by arranging the damping guide structure, and can lift or lower the damping device for installation.
Description
Technical Field
The invention relates to the technical field of railway track structures, in particular to a track vibration damper with vibration resistance.
Background
Vibration and noise are the public nuisances with the most widely accepted influence surface, and are also a problem to be solved urgently in recent years of rail traffic development. In the existing vibration damping and noise reduction technology of rail transit, the most successful practice application is the component floating technology, typically the floating ballast bed technology, and the vibration isolation efficiency is high, the working performance is stable, and the technology has become common knowledge in the industry.
However, the existing traditional floating ballast bed carries out bearing on track equipment by utilizing the axial rigidity of a spring in the device, and vibration isolation treatment on the track equipment is achieved by design control of the natural frequency of the spring, and in the design process, the side rigidity bearing of the spring is not considered in the product design because the earthquake effect is not considered. In addition, the existing traditional floating ballast bed has low requirements and precision, and the structures of the prior equipment are rigidly connected. During installation, it is difficult to adjust the springs inside the device to meet the installation requirements.
The defects are worth solving.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the track vibration damper with vibration resistance.
The technical scheme of the invention is as follows:
a track vibration damper with vibration-proof performance comprises a pre-buried sleeve, an elastic damper and a damping base,
the embedded sleeve is arranged in a reserved through hole on the floating channel bed, the elastic shock absorber is sleeved in the embedded sleeve, and the top of the embedded sleeve is connected with the top of the elastic shock absorber;
the elastic shock absorber comprises a shock absorption bearing structure and the elastic structure arranged on the shock absorption bearing structure, the elastic structure comprises an elastic sleeve, a shock absorption spring and a shock absorption guide structure, the shock absorption spring and the shock absorption guide structure are respectively arranged in the elastic sleeve, the elastic sleeve comprises a lower sleeve and an upper sleeve, the upper sleeve is sleeved on the lower sleeve, two ends of the shock absorption spring are respectively connected with the lower sleeve and the upper sleeve, the shock absorption guide structure is respectively sleeved on the lower sleeve and the upper sleeve, the shock absorption guide structure is used for adjusting the tightness of the shock absorption spring,
the damping base is connected with the bottom of the elastic damper.
Further, an upper cover plate is arranged on the cylinder top of the embedded sleeve, an adjusting hole is formed in the upper cover plate, and the shock absorption guide structure is arranged below the adjusting hole.
Further, a first sleeve hole connected with the shock absorption guide structure is formed in the lower sleeve, and a nut connected with the shock absorption guide structure is arranged below the first sleeve hole; the upper sleeve is provided with a second trepanning with the shock absorption guiding structure, and the second trepanning is internally provided with inner teeth, the second trepanning passes through the inner teeth and is fixedly connected with the shock absorption guiding structure, and the shock absorption guiding structure moves up and down along the first trepanning through a shock absorption spring.
Further, the damping guide structure is an inner pentagonal bolt, an inner hexagonal bolt or an inner octagonal bolt.
Further, the shock absorber base comprises a base cushion block, and the base cushion block is arranged at the bottom of the elastic shock absorber.
Further, the base cushion block is made of rubber.
Further, the shock absorber base further comprises a limiting ring, and the limiting ring is arranged on the peripheries of the base cushion block and the bottom of the elastic shock absorber in a surrounding mode.
Further, an inner wall sleeve gasket is arranged on the inner wall of the embedded sleeve, and the inner wall sleeve gasket is at least arranged on the periphery of the upper sleeve in a surrounding mode.
Further, the inner wall sleeve gasket is made of rubber.
Further, an embedded part is arranged on the embedded sleeve and used for connecting the floating ballast bed with the embedded sleeve.
According to the scheme, the horizontal earthquake-resistant floating ballast bed has the advantages that the horizontal earthquake-resistant floating ballast bed is provided with the embedded sleeve, the elastic shock absorber and the shock absorption base, and has rigidity in the horizontal direction and the vertical direction, and when the floating ballast bed is subjected to the horizontal earthquake action, the elastic sleeve, the shock absorption spring, the shock absorption bearing structure and the like act together to resist the horizontal acting force; the elastic sleeve has transverse rigidity shock resistance, so that earthquake energy can be consumed to a great extent; the invention can adjust the damping spring by arranging the damping guide structure, and can lift or lower the damping device for installation.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
FIG. 3 is a schematic view showing the connection of the elastic damper to the damping base according to the present invention.
FIG. 4 is a schematic view of a portion of an elastic damper according to the present invention.
FIG. 5 is a schematic diagram of a portion of a spring damper according to the present invention.
Fig. 6 is a schematic view of a pre-buried sleeve according to the present invention.
FIG. 7 is a schematic view of a stop collar according to the present invention.
In the figure, 1, foundation; 2. a floating ballast bed; 3. embedding a sleeve; 301. an upper cover plate; 302. a handle pull ring; 303. an adjustment aperture; 304. an embedded part; 305. an upper cover thread; 306. a sleeve inner tooth;
4. an elastic damper; 401. a shock absorbing bearing structure; 402. a lower sleeve; 403. an upper sleeve; 404. a damping spring; 405. a shock absorption guide structure; 406. a nut;
5. a shock absorbing base; 501. a base cushion block; 502. a limiting ring; 503. anchor bolt holes.
Detailed Description
The invention is further described below with reference to the drawings and embodiments:
as shown in fig. 1 to 5, a rail vibration damper with vibration-proof performance comprises an embedded sleeve 3, an elastic damper 4 and a damping base 5,
the embedded sleeve 3 is arranged in a reserved through hole on the floating ballast bed 2, an elastic shock absorber 4 is sleeved in the embedded sleeve 3, and the top of the embedded sleeve 3 is connected with the top of the elastic shock absorber 4; the damping mount 5 is connected to the bottom of the elastic damper 4.
The elastic shock absorber 4 comprises a shock absorption bearing structure 401 and an elastic structure arranged on the shock absorption bearing structure 401, the elastic structure comprises an elastic sleeve, a shock absorption spring 404 and a shock absorption guide structure 405, the elastic sleeve is internally provided with the shock absorption spring 404 and the shock absorption guide structure 405 respectively, the elastic sleeve comprises a lower sleeve 402 and an upper sleeve 403, the upper sleeve 403 is sleeved on the lower sleeve 402, two ends of the shock absorption spring 404 are connected with the lower sleeve 402 and the upper sleeve 403 respectively, the shock absorption guide structure 405 is sleeved on the lower sleeve 402 and the upper sleeve 403 respectively, and the shock absorption guide structure 405 is used for adjusting tightness of the shock absorption spring.
Wherein, upper sleeve 403 is sleeved on lower sleeve 402, upper sleeve 403 and lower sleeve 402 are provided with a vertical coincidence height, and the coincidence height is not more than 4mm.
In addition, the embedded sleeve 3 and the elastic damper 4 keep a certain transverse gap, so that the elastic damper 4 can shake in the embedded sleeve 3, specifically, the transverse gap range between the upper sleeve 403 and the embedded sleeve 3 is 4-6mm, for example, the transverse gap between the upper sleeve 403 and the embedded sleeve 3 is 5mm, the elastic damper 4 can shake in the embedded sleeve 3, and when an earthquake happens, the upper sleeve 403 contacts with the inner wall of the embedded sleeve 3, and a part of earthquake energy can be consumed through the contact between the upper sleeve 403 and the embedded sleeve 3. When the transverse gap is too narrow, namely the transverse displacement is small, the purpose of shock absorption cannot be achieved; when the transverse gap is too large, namely the elastic shock absorber 4 cannot touch the embedded sleeve 3 before failure, the meaning of transversely consuming the seismic energy is completely lost.
The track vibration damper with the anti-seismic performance provided by the invention has the advantages that the rigidity of the vibration damper in the horizontal direction and the vertical direction is designed and determined by utilizing the dynamics principle, so that the natural frequency of the vibration damper is determined, the device is long-period natural frequency and is far away from the natural frequency of track equipment, and therefore, under the action of an earthquake, when the track equipment is subjected to the action of the horizontal earthquake, the lower sleeve, the vibration damping guide structure, the vibration damping bearing structure and the like act together to resist the horizontal acting force; meanwhile, the elastic sleeve of the damping device has transverse rigidity, and in the process of equipment movement, the elastic sleeve is allowed to generate transverse displacement, so that the energy of an earthquake can be consumed to a great extent, and the harm of the earthquake to the equipment is greatly reduced; when the rail equipment generates great horizontal displacement under the action of earthquake in the occurrence of extremely rare earthquakes, the embedded sleeve 3 of the damping device can play a role in limiting and resisting the action of the earthquake; the damping spring 404 and the damping guide structure 405 are arranged, so that the purpose of the automatic damping device is achieved.
The beneficial effect who sets up like this is: the invention has the rigidity in the horizontal direction and the vertical direction by arranging the embedded sleeve, the elastic shock absorber and the shock absorption base, and when the floating ballast bed is acted by a horizontal earthquake, the elastic sleeve, the shock absorption spring, the shock absorption bearing structure and the like act together to resist the horizontal acting force; the elastic sleeve has transverse rigidity shock resistance, so that earthquake energy can be consumed to a great extent; the invention can adjust the lower damping spring by arranging the damping guide structure, and can lift or lower the damping device for installation.
Preferably, in a specific embodiment, as shown in fig. 6, an upper cover plate 301 is disposed on the top of the pre-buried sleeve 3, an adjusting hole 303 is formed on the upper cover plate 301, and a shock absorption guiding structure 405 is disposed under the adjusting hole 303. Specifically, the upper cover plate 301 is a round cover, an upper cover thread 305 is arranged on the periphery of the upper cover plate 301, sleeve inner teeth 306 are arranged on the embedded sleeve 3, the upper cover plate 301 and the embedded sleeve 3 are in threaded connection through the cooperation of the upper cover thread 305 and the sleeve inner teeth 306, and a handle pull ring 302 is further arranged on the upper cover plate 301 and used for mounting and dismounting the upper cover plate 301.
Preferably, in a specific embodiment, the lower sleeve 402 is provided with a first sleeve hole connected with the shock absorption guide structure 405, and a nut 406 connected with the shock absorption guide structure 405 is arranged below the first sleeve hole; the upper sleeve 403 is provided with a second sleeve hole with a damping guide structure, and an inner tooth is arranged in the second sleeve hole, the second sleeve hole is fixedly connected with the damping guide structure 405 through the inner tooth, and the damping guide structure moves up and down along the first sleeve hole through a damping spring.
Preferably, in a specific embodiment, the shock absorbing guide structure 405 is an internal pentagonal bolt, or an internal hexagonal bolt, or an internal octagonal bolt.
The damping guide structure 405 can be directly adjusted through the adjusting hole 303 on the upper cover plate 301 without disassembling the upper cover plate, and the adjustment is simple and practical and the operation is convenient; the length of the damping spring can be adjusted in real time according to the actual condition of the elastic damper and the specific bearing requirement.
Preferably, in a specific embodiment, the shock absorber base 5 includes a base pad 501, and the base pad 501 is disposed at the bottom of the elastic shock absorber 4. Specifically, the base pad 501 is fixedly connected to the bottom of the shock absorbing bearing structure 401.
Preferably, in one embodiment, the base pad 501 is made of rubber.
Preferably, in a specific embodiment, the shock absorber base 5 further includes a stop collar 502, and the stop collar 502 is disposed around the base pad 501 and the bottom of the elastic shock absorber 4. The limiting ring 502 is provided with an anchor hole 503, the anchor hole 503 is fixedly connected with the foundation 1 through a screw, and the limiting ring is specifically shown in fig. 7.
Preferably, in a specific embodiment, an inner wall gasket is disposed on the inner side wall of the pre-buried sleeve 3, and the inner wall gasket is at least disposed around the periphery of the upper sleeve 403.
Preferably, in one embodiment, the inner wall sleeve is made of rubber.
Preferably, in a specific embodiment, the embedded sleeve 3 is provided with an embedded part 304, and the embedded part 304 is used for connecting the floating ballast bed 2 and the embedded sleeve 3. Specifically, embedded parts 304 are uniformly arranged around the embedded sleeve 3, the embedded parts 304 are provided with bolt holes, and the embedded parts are fixedly connected with a floating ballast bed through screws.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the invention is not limited by the above manner, and it is within the scope of the invention to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.
Claims (8)
1. A track vibration damper with vibration-resistant performance is characterized by comprising a pre-buried sleeve, an elastic damper and a vibration-damping base,
the embedded sleeve is arranged in a reserved through hole on the floating channel bed, the elastic shock absorber is sleeved in the embedded sleeve, and the top of the embedded sleeve is connected with the top of the elastic shock absorber;
the elastic shock absorber comprises a shock absorption bearing structure and an elastic structure arranged on the shock absorption bearing structure, the elastic structure comprises an elastic sleeve, a shock absorption spring and a shock absorption guide structure, the shock absorption spring and the shock absorption guide structure are respectively arranged in the elastic sleeve, the elastic sleeve comprises a lower sleeve and an upper sleeve, the upper sleeve is sleeved on the lower sleeve, two ends of the shock absorption spring are respectively connected with the lower sleeve and the upper sleeve, the shock absorption guide structure is respectively sleeved on the lower sleeve and the upper sleeve, the shock absorption guide structure is used for adjusting tightness of the shock absorption spring, and the shock absorption base is connected with the bottom of the elastic shock absorber;
the lower sleeve is provided with a first sleeve hole connected with the shock absorption guide structure, and a nut connected with the shock absorption guide structure is arranged below the first sleeve hole; the upper sleeve is provided with a second sleeve hole which is in fit with the shock absorption guide structure, an inner tooth is arranged in the second sleeve hole, the second sleeve hole is fixedly connected with the shock absorption guide structure through the inner tooth, and the shock absorption guide structure moves up and down along the first sleeve hole through a shock absorption spring;
the damping base comprises a base cushion block, and the base cushion block is arranged at the bottom of the elastic damper.
2. The track vibration damper with vibration-resistant performance according to claim 1, wherein an upper cover plate is arranged on the cylinder top of the embedded sleeve, an adjusting hole is formed in the upper cover plate, and the vibration-absorbing guide structure is arranged below the adjusting hole.
3. The track vibration damper with vibration-proof performance according to claim 1, wherein the vibration-proof guiding structure is an inner pentagonal bolt, or an inner hexagonal bolt, or an inner octagonal bolt.
4. The vibration-damping device for a track according to claim 1, wherein the base pad is made of rubber.
5. The vibration damping device according to claim 4, wherein the vibration damping base further comprises a stopper ring, and the stopper ring is arranged around the base pad and the bottom of the elastic damper.
6. The vibration damper of claim 1, wherein an inner wall sleeve pad is disposed on an inner wall of the pre-buried sleeve, and the inner wall sleeve pad is disposed around at least an outer periphery of the upper sleeve.
7. The vibration-damping device according to claim 6, wherein the inner wall pad is made of rubber.
8. The track vibration damper with vibration-proof performance according to claim 1, wherein an embedded part is arranged on the embedded sleeve, and the embedded part is used for connecting the floating ballast bed with the embedded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046702.6A CN109653037B (en) | 2019-01-18 | 2019-01-18 | Rail vibration damper with vibration resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046702.6A CN109653037B (en) | 2019-01-18 | 2019-01-18 | Rail vibration damper with vibration resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109653037A CN109653037A (en) | 2019-04-19 |
| CN109653037B true CN109653037B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910046702.6A Active CN109653037B (en) | 2019-01-18 | 2019-01-18 | Rail vibration damper with vibration resistance |
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| CN (1) | CN109653037B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159691B (en) * | 2019-06-05 | 2020-12-08 | 西北工业大学 | Composite rigidity large damping vibration isolator |
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| CN206109973U (en) * | 2016-10-26 | 2017-04-19 | 浙江钢泰钢结构工程有限公司 | Steel structure damping support |
| CN106869568A (en) * | 2017-04-06 | 2017-06-20 | 杨维国 | A kind of three-dimensional isolation vibration absorber and its shock insulation oscillation damping method |
| KR20180065144A (en) * | 2016-12-07 | 2018-06-18 | 주식회사 준 테크 | Bracing device for vibration control reinforcement of structure having elastic coefficient |
| CN207539243U (en) * | 2017-11-29 | 2018-06-26 | 盛年科技有限公司 | A kind of vibration damping anti-seismic damper for electromechanical equipment |
| CN209941412U (en) * | 2019-01-18 | 2020-01-14 | 盛年科技有限公司 | Track vibration damper with anti-seismic performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1256209B (en) * | 1992-12-21 | 1995-11-29 | Coopsette Scrl | ARMING GROUP WITH RAIL SUPPORT BLOCKS TRANSVERSALLY HOUSED IN LONGITUDINAL CONTAINERS WITH INTERPOSITION OF ELASTIC ELEMENTS |
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2019
- 2019-01-18 CN CN201910046702.6A patent/CN109653037B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008098472A1 (en) * | 2007-02-15 | 2008-08-21 | Gerb (Qingdao) Vibration Control Co., Ltd. | A detachable vibration isolation device and the application thereof |
| CN101775762A (en) * | 2010-02-05 | 2010-07-14 | 北京市劳动保护科学研究院 | Vibration isolating support structure of damping spring floating track bed and installation method thereof |
| CN203729160U (en) * | 2014-02-27 | 2014-07-23 | 青岛四方车辆研究所有限公司 | Vibration attenuation composite spring absorber assembly for floating slab tracks |
| CN103938505A (en) * | 2014-04-15 | 2014-07-23 | 衡水中铁建工程橡胶有限责任公司 | Rubber vibration isolator easy to replace for rail transit floating slab and replacement method of rubber vibration isolator |
| CN205663122U (en) * | 2016-05-31 | 2016-10-26 | 山东省建设发展研究院 | Special earthquake prevention and disaster reduction landing slab joint construction of stair |
| CN206109973U (en) * | 2016-10-26 | 2017-04-19 | 浙江钢泰钢结构工程有限公司 | Steel structure damping support |
| KR20180065144A (en) * | 2016-12-07 | 2018-06-18 | 주식회사 준 테크 | Bracing device for vibration control reinforcement of structure having elastic coefficient |
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