CN112695573A - Track vibration damper - Google Patents
Track vibration damper Download PDFInfo
- Publication number
- CN112695573A CN112695573A CN202110022417.8A CN202110022417A CN112695573A CN 112695573 A CN112695573 A CN 112695573A CN 202110022417 A CN202110022417 A CN 202110022417A CN 112695573 A CN112695573 A CN 112695573A
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- Prior art keywords
- sleeper
- sleeve
- component
- anchoring
- metal plate
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
Track shock absorber, including placing the rail part and the anchor sleeper part of bearing on the sleeper in, anchor sleeper part is along vertical passing and is born rail part and sleeper anchor, its characterized in that: the anchoring sleeper component and the bearing steel rail component are in friction fit along vertical rolling and are in rigid positioning fit along the horizontal direction. The vertical movement between the bearing steel rail component and the anchoring sleeper component is designed to be rolling friction contact, so that the vertical movement of the track damper is ensured, the component abrasion caused by the vertical movement is reduced, the use abrasion of the track damper is small, the service life is longer, the maintenance frequency is lower, the large transverse rigidity and large load fatigue performance of the track damper can be realized, the probability of stress concentration of rubber in the track damper under the conditions of transverse/longitudinal large load and small-curvature-radius track is reduced, and the fatigue life of a product is prolonged.
Description
Technical Field
The invention relates to a track shock absorber, and belongs to the technical field of track fastener systems.
Description of the background
For railway transportation systems, the vibration-damping fasteners play an important role in damping vibration, reducing noise and keeping driving safety, and various types of vibration-damping fasteners in the railway market are also endless.
The design concept that parts anchored with the sleeper and parts bearing the steel rail are not locked is adopted in all types of vibration-damping fasteners taking the elastic body as a vibration-damping main material, so that vibration-damping and noise-reducing effects of the vibration-damping fasteners to a certain extent are realized. However, the engineering design of the concept has two kinds: firstly, carrying out adhesive connection on a bearing steel rail component and an anchoring sleeper component through an elastic insulating material, and realizing relative motion between the bearing steel rail component and the anchoring sleeper component through the deformation of the elastic insulating material; and secondly, the bearing rail component and the anchoring sleeper component are isolated by a hard insulating material, and the relative movement between the bearing rail component and the anchoring sleeper component is realized by the sliding friction between the hard insulating material and the components.
The main problems of the prior art are as follows:
1. the current gluey nature of adopting elastic insulation material is connected, realizes bearing the damping fastener of rail part and anchor sleeper part relative motion: go up metal sheet and metal sheet vulcanization integral type structure down, its characteristics are that the outline is big, the quality is heavy, and the height after the installation is higher, to interface size, interface height fixed existing line, the replacement operation of ordinary fastener of not being convenient for. Meanwhile, the transverse rigidity of the structure is small, the transverse displacement resistance of the steel rail is relatively weak, and the rail gauge maintenance of the large-bearing and small-curvature-radius rail in long-term use is not facilitated.
2. The current gluey nature of adopting elastic insulation material is connected, realizes bearing the damping fastener of rail part and anchor sleeper part relative motion: the metal plate and the sleeve are vulcanized into an integral structure, the elastic material between the sleeve and the metal plate bears large shearing force and transverse force, and the generated stress concentration is unfavorable for the fatigue effect of the elastic material.
3. The existing vibration damping fastener which adopts hard insulating materials for isolation and realizes relative sliding of a bearing steel rail component and an anchoring sleeper component can generate abrasion after bearing long-term sliding friction, so that gaps appear among the components, and the maintenance of a track gauge is not facilitated.
The object of the invention is to avoid the above-mentioned elastic insulating material type providing only a small lateral stiffness or stress concentration and the hard insulating material type generating gaps between the parts due to material wear under sliding friction.
Disclosure of Invention
According to the track damper provided by the invention, the vertical motion between the bearing steel rail component and the anchoring sleeper component is designed to be rolling friction contact, so that the vertical motion of the track damper is ensured, the component abrasion caused by the vertical motion is reduced, the track damper is small in use abrasion, longer in service life and lower in maintenance frequency, the large transverse rigidity and large load fatigue performance of the track damper can be realized, the probability of stress concentration of rubber in the track damper under the conditions of transverse/longitudinal large loads and small-curvature-radius tracks is reduced, and the fatigue life of a product is prolonged.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
track shock absorber, including placing the rail part and the anchor sleeper part of bearing on the sleeper in, anchor sleeper part is along vertical passing and is born rail part and sleeper anchor, its characterized in that: the anchoring sleeper component and the bearing steel rail component are in friction fit along vertical rolling and are in rigid positioning fit along the horizontal direction.
Preferably, the bearing rail component comprises a metal plate and a rubber boss which is vulcanized and bonded on the bottom surface of the metal plate and is arranged on the sleeper, an anchoring through hole which vertically penetrates through the metal plate and the rubber boss is formed in the bearing rail component, the anchoring sleeper component penetrates through the anchoring through hole to be anchored with the sleeper, and the anchoring sleeper component is radially positioned in the anchoring through hole and is in rolling friction contact with the inner wall of the anchoring through hole.
Preferably, the anchoring through hole comprises a metal plate through hole formed in the metal plate and a rubber through hole formed in the rubber boss and coaxially communicated with the metal plate through hole, the diameter of the rubber through hole is larger than that of the metal plate through hole, a rolling friction assembly in rolling friction contact with the anchoring sleeper component is installed in the metal plate through hole, the end part of the rolling friction assembly is flush with the end part of the metal plate through hole, and the anchoring sleeper component penetrates through the rolling friction assembly and penetrates out of the rubber through hole to be anchored with the sleeper.
Preferably, the rolling friction assembly comprises an insulating sleeve positioned on the inner wall of the perforated metal plate and a rolling contact sleeve coaxially arranged in the insulating sleeve, and the anchoring sleeper component is in rolling friction contact with the rolling contact sleeve and is matched with the insulating sleeve in a radial positioning mode.
Preferably, insulating cover constitute by the upper cover and with upper cover integrated into one piece's lower cover, the external diameter of upper cover is greater than the external diameter of lower cover, forms outer annular locating surface between the outer wall of upper cover and lower cover, set up on the fenestrate inner wall of metal sheet with outer annular locating surface complex step face, insulating cover interference is impressed in the metal sheet is perforated and outer annular locating surface supports on the step face.
Preferably, the inner diameter of the upper sleeve is larger than that of the lower sleeve, an inner annular positioning surface is formed between the inner walls of the upper sleeve and the lower sleeve, the rolling contact sleeve is pressed into the upper sleeve in an interference mode, and the bottom of the rolling contact sleeve abuts against the inner annular positioning surface.
Preferably, the rolling contact sleeve is a linear bearing with an inner wall provided with balls, the balls are in rolling friction contact with the anchoring sleeper component, and the inner wall of the lower sleeve is in transition fit with the anchoring sleeper component.
Preferably, the anchoring sleeper component comprises a spiral spike capable of being anchored with a sleeper, a spring washer sleeved on the spiral spike, a sleeve and a cover plate, the sleeve is arranged on the sleeper and coaxially extends into the anchoring perforation to be in rolling friction contact with the rolling contact sleeve, the cover plate covers the sleeve, the lower end of the spiral spike penetrates through the cover plate and the sleeve to be anchored with the sleeper, and the spring washer is tightly pressed on the cover plate along with the screwing of the spiral spike.
Preferably, the top of the sleeve extends out of the top of the metal plate through hole, the bottom surface of the cover plate is vulcanized with an elastic pressing plate, the elastic pressing plate is pressed on the rolling friction assembly and extends to the top surface of the metal plate, and the top surface of the elastic pressing plate is flush with the top surface of the sleeve.
Preferably, the bottom end of the sleeve is provided with a radial flanging, and the outer diameter of the radial flanging is larger than that of the bottom of the insulating sleeve.
The invention has the beneficial effects that:
the anchoring sleeper component and the bearing steel rail component in the track shock absorber are in vertical rolling friction fit, the rubber connection between the sleeve and the metal piece or the sliding friction pair structure between the sleeve and the metal piece in the traditional track shock absorber is replaced, the vertical motion between the bearing steel rail component and the anchoring sleeper component is designed to be in rolling friction contact, the vertical motion of the track shock absorber is ensured, the component abrasion caused by the vertical motion is reduced, the use abrasion of the track shock absorber is small, the service life is longer, and the maintenance frequency is lower.
The anchoring sleeper component and the bearing steel rail component are in rigid positioning fit along the horizontal direction, and the anchoring sleeper component and the bearing steel rail component are in rigid positioning and are locked mutually when the track damper bears transversely or longitudinally, so that the large transverse rigidity and large load fatigue performance of the track damper can be realized, the probability of stress concentration of rubber in the track damper under large transverse/longitudinal load and small curvature radius track working conditions is reduced, and the fatigue life of a product is prolonged.
The metal plate, the rubber boss and the rolling friction assembly form a bearing steel rail part of an integral structure, the sleeve and the bearing steel rail part are arranged in a split mode, installation and replacement are easy, maintainability of the track shock absorber is improved, the rolling friction assembly is compressed by the cover plate in the anchoring sleeper part through the elastic compression plate, the track shock absorber is prevented from overturning, and structural stability of the track shock absorber is improved.
Drawings
FIG. 1 is a schematic diagram of a track damper according to an embodiment.
Fig. 2 is a schematic structural view of the insulating sheath.
Fig. 3 is a schematic view of the combination of the metal plate and the rubber boss.
Detailed Description
Embodiments of the present invention will be described in detail with reference to fig. 1 to 3.
Track shock absorber, including placing the bearing rail part 1 and the anchor sleeper part 2 on the sleeper in, anchor sleeper part 2 is along vertical passing bearing rail part 1 and the sleeper anchor, its characterized in that: the anchoring sleeper component 2 and the bearing steel rail component 1 are in rolling friction fit along the vertical direction and are in rigid positioning fit along the horizontal direction.
Above among the track shock absorber anchor sleeper part 2 along vertical rolling friction fit with bearing rail part 1, replace among the current track shock absorber gluey nature between sleeve and metalwork and slide friction pair structure between sleeve and the metalwork, will bear the weight of the vertical motion design between rail part 1 and anchor sleeper part 2 and be rolling friction contact, guaranteed the vertical motion of track shock absorber promptly, alleviateed the part wearing and tearing that arouse because of vertical motion again, the use wearing and tearing of track shock absorber are little, long service life is longer, it is lower to maintain the frequency. The anchoring sleeper component 2 and the bearing steel rail component 1 are in rigid positioning fit along the horizontal direction, and the anchoring sleeper component 2 and the bearing steel rail component 1 are in rigid positioning fit and locked mutually when the track damper bears transversely or longitudinally, so that the large transverse rigidity and large load fatigue performance of the track damper can be realized, the probability of stress concentration of rubber in the track damper under the conditions of transverse/longitudinal large load and small-curvature-radius track working condition is reduced, and the fatigue life of a product is prolonged.
The bearing rail component 1 comprises a metal plate 11 and a rubber boss 12 which is vulcanized and bonded on the bottom surface of the metal plate 11 and is arranged on the sleeper, an anchoring through hole 13 which vertically penetrates through the metal plate 11 and the rubber boss 12 is formed in the bearing rail component 1, the anchoring sleeper component 2 penetrates through the anchoring through hole 13 and is anchored with the sleeper, and the anchoring sleeper component 2 is radially positioned in the anchoring through hole 13 and is in rolling friction contact with the inner wall of the anchoring through hole 13. Rubber boss 12 takes place to warp when the track shock absorber bears, consumes vibration energy, and rubber boss 12 compresses downwards when vertical bears, makes and bears 1 downstream of rail part, and vertical motion can not take place for anchor sleeper part 2 anchor on the sleeper, even bear rail part 1 and for anchor sleeper part 2 downstream, form rolling friction contact between the two, area of contact is littleer, and wear is littleer, and the motion is more smooth and easy, and changes and reset. The anchoring sleeper component 2 is radially positioned in the anchoring perforation 13, namely, the anchoring sleeper component 2 and the bearing steel rail component 1 are radially positioned, when the track vibration damper bears horizontal and longitudinal loads in the horizontal direction, the bearing steel rail component 1 cannot move transversely and longitudinally relative to the anchoring sleeper component 2, and the bearing steel rail component 1 and the anchoring sleeper component 2 are locked mutually, so that the rigid positioning and matching of the anchoring sleeper component 2 and the bearing steel rail component 1 in the horizontal direction are realized, the track vibration damper has large transverse rigidity and large longitudinal rigidity, the rubber boss cannot deform in the horizontal direction, stress concentration cannot be generated, the fatigue life of the rubber boss can be effectively prolonged, and the service life of the track vibration damper is prolonged.
The anchor through hole 13 comprises a metal plate through hole 13.1 arranged on the metal plate 11 and a rubber through hole 13.2 arranged on the rubber boss 12 and communicated with the metal plate through hole 13.1 coaxially, the diameter of the rubber through hole 13.2 is larger than that of the metal plate through hole 13.1, a rolling friction assembly 3 in rolling friction contact with the anchor sleeper component 2 is arranged in the metal plate through hole 13.1, the end part of the rolling friction assembly 3 is flush with the end part of the metal plate through hole 13.1, and the anchor sleeper component 1 penetrates through the rolling friction assembly 3 and penetrates out of the rubber through hole 13.2 to be anchored with the sleeper. The rolling friction assembly 3 is arranged in the metal plate through hole 13.1, the diameter of the rubber through hole 13.2 is larger than that of the metal plate through hole 13.1, so that the sleeper component 2 can be conveniently anchored, the downward pressing limit of the rubber boss can be realized by utilizing the space of the rubber through hole 13.2, and the rubber boss is prevented from being crushed.
The rolling friction component 3 comprises an insulating sleeve 31 positioned on the inner wall of the metal plate through hole 13.1 and a rolling contact sleeve 32 coaxially arranged in the insulating sleeve 31, and the anchoring sleeper component 2 is in rolling friction contact with the rolling contact sleeve 32 and is in radial positioning fit with the insulating sleeve 31. The insulating sleeve 31, the rolling contact sleeve 32 and the metal plate 13 are assembled to form a whole, the rolling contact sleeve 32 is in rolling friction contact with the anchoring sleeper component 2 to realize rolling friction fit between the rolling contact sleeve and the anchoring sleeper component 2, the rolling contact sleeve 32 is in contact with the anchoring sleeper component 2, and the insulating sleeve 31 is in radial positioning fit with the anchoring sleeper component 2, so that the anchoring sleeper component 2 cannot generate relative displacement with the insulating sleeve 31 and the rolling contact sleeve 32 along the radial direction, and the anchoring sleeper component 2 is in rigid positioning fit with the bearing rail component 1 along the horizontal direction.
The insulating sleeve 31 is composed of an upper sleeve 31.1 and a lower sleeve 31.2 which is integrally formed with the upper sleeve 31.1, the outer diameter of the upper sleeve 31.1 is larger than that of the lower sleeve 31.2, an outer annular positioning surface 31.3 is formed between the outer walls of the upper sleeve 31.1 and the lower sleeve 31.2, a step surface 13.11 matched with the outer annular positioning surface 31.3 is arranged on the inner wall of the metal plate through hole 13.1, the insulating sleeve 31 is pressed into the metal plate through hole 31.1 in an interference mode, and the outer annular positioning surface 31.3 abuts against the step surface 13.11. The insulating sleeve 31 and the metal plate 11 are vertically positioned by the outer annular positioning surface 31.3, and the insulating sleeve 31 and the metal plate 11 are tightly matched to form an integral structure.
The inner diameter of the upper sleeve 31.1 is larger than that of the lower sleeve 31.2, an inner annular positioning surface 31.4 is formed between the inner walls of the upper sleeve 31.1 and the lower sleeve 31.2, the rolling contact sleeve 32 is pressed into the upper sleeve 31.1 in an interference mode, and the bottom of the rolling contact sleeve is abutted against the inner annular positioning surface 31.4. The inner annular positioning surface 31.4 vertically positions the rolling contact sleeve 32 and the insulating sleeve 31, so that the metal plate 11, the insulating sleeve 31 and the rolling contact sleeve 32 form an integral structure, and the structure is stable and reliable.
The rolling contact sleeve 32 is a linear bearing with an inner wall provided with a ball 32.1, the ball 32.1 is in rolling friction contact with the anchoring sleeper component 2, and the inner wall of the lower sleeve 31.2 is in transition fit with the anchoring sleeper component 2. The balls 32.1 are axially arranged on the inner wall of the linear bearing in a row, the rolling balls 32.1 are uniformly distributed on the inner wall of the linear bearing in a plurality of rows along the circumferential direction, the rolling balls 32.1 are in contact with the anchoring sleeper component 2 to realize rolling friction contact between the two, and the anchoring sleeper component 2 is radially positioned by the plurality of rows of balls 32.1 uniformly distributed along the circumferential direction, so that the bearing steel rail component 1 and the anchoring sleeper component 2 do not move in the radial direction, namely move horizontally, and are mutually locked in the horizontal direction.
The anchoring sleeper component 2 comprises a screw spike 21 capable of anchoring a sleeper, a spring washer 22 sleeved on the screw spike 21, a sleeve 23 and a cover plate 24, wherein the sleeve 24 is arranged on the sleeper and coaxially extends into the anchoring perforation 13 to be in rolling friction contact with the rolling contact sleeve 32, the cover plate 24 covers the sleeve 23, the lower end of the screw spike 21 penetrates through the cover plate 24 and the sleeve 23 to be anchored with the sleeper, and the spring washer 22 is pressed on the cover plate 24 along with the screwing of the screw spike 21. The sleeve 23 is contacted with the rolling contact sleeve 32, namely the sleeve 23 and the bearing rail component 1 are arranged separately, so that the installation and the replacement are easy, and the maintainability of the track damper is improved. After the screw spike 21 is screwed, the cover plate 24 is pressed through the spring washer 22, and the cover plate 24 presses the sleeve to press the sleeve 23 on the sleeper.
Wherein the top of the sleeve 23 extends out of the top of the metal plate through hole 13.1, the bottom surface of the cover plate 24 is vulcanized with an elastic pressing plate 25, the elastic pressing plate 25 presses on the rolling friction component 3 and extends to the top surface of the metal plate 11, and the top surface of the elastic pressing plate 25 is flush with the top surface of the sleeve 23. The cover plate 24 compresses the rolling friction assembly 3 through the elastic compression plate 25 to prevent the track damper from overturning, and improve the structural stability of the track damper.
The bottom end of the sleeve 23 is provided with a radial flange 23.1, and the outer diameter of the radial flange 23.1 is larger than the outer diameter of the bottom of the insulating sleeve 31. Radial turn-ups 23.1 and insulating cover 31 bottom contact are spacing to the pushing down of rubber boss 12, prevent that the rubber boss from being crushed, effectively protect rubber boss 12.
The technical solutions of the embodiments of the present invention are fully described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Claims (10)
1. Track shock absorber, including placing bearing rail part (1) and anchor sleeper part (2) on the sleeper in, anchor sleeper part (2) along vertical passing bearing rail part (1) and sleeper anchor, its characterized in that: the anchoring sleeper component (2) is in rolling friction fit with the bearing steel rail component (1) along the vertical direction and is in rigid positioning fit along the horizontal direction.
2. The orbital damper of claim 1, wherein: the bearing steel rail component (1) comprises a metal plate (11) and a rubber boss (12) which is vulcanized and bonded on the bottom surface of the metal plate (11) and is arranged on the sleeper, an anchoring through hole (13) which vertically penetrates through the metal plate (11) and the rubber boss (12) is formed in the bearing steel rail component (1), the anchoring sleeper component (2) penetrates through the anchoring through hole (13) to be anchored with the sleeper, and the anchoring sleeper component (2) is radially positioned in the anchoring through hole (13) and is in rolling friction contact with the inner wall of the anchoring through hole (13).
3. The orbital damper of claim 2, wherein: the anchor perforation (13) comprises a metal plate perforation (13.1) arranged on the metal plate (11) and a rubber perforation (13.2) arranged on the rubber boss (12) and coaxially communicated with the metal plate perforation (13.1), the diameter of the rubber perforation (13.2) is larger than that of the metal plate perforation (13.1), a rolling friction assembly (3) in rolling friction contact with the anchor sleeper component (2) is arranged in the metal plate perforation (13.1), the end part of the rolling friction assembly (3) is flush with the end part of the metal plate perforation (13.1), and the sleeper anchor component (1) penetrates through the rolling friction assembly (3) and penetrates out of the rubber perforation (13.2) to be anchored with a sleeper.
4. The orbital damper of claim 3, wherein: the rolling friction assembly (3) comprises an insulating sleeve (31) positioned on the inner wall of the metal plate through hole (13.1) and a rolling contact sleeve (32) coaxially arranged in the insulating sleeve (31), and the anchoring sleeper component (2) is in rolling friction contact with the rolling contact sleeve (32) and is matched with the insulating sleeve (31) in a radial positioning mode.
5. The orbital damper of claim 4, wherein: insulating cover (31) constitute by upper cover (31.1) and with upper cover (31.1) integrated into one piece's lower cover (31.2), the external diameter of upper cover (31.1) is greater than the external diameter of lower cover (31.2), form outer annular locating surface (31.3) between the outer wall of upper cover (31.1) and lower cover (31.2), set up on the inner wall of metal sheet perforation (13.1) and outer annular locating surface (31.3) complex step face (13.11), insulating cover (31) interference is impressed in metal sheet perforation (31.1) and outer annular locating surface (31.3) support on step face (13.11).
6. The orbital damper of claim 5, wherein: the inner diameter of the upper sleeve (31.1) is larger than that of the lower sleeve (31.2), an inner annular positioning surface (31.4) is formed between the inner walls of the upper sleeve (31.1) and the lower sleeve (31.2), the rolling contact sleeve (32) is pressed into the upper sleeve (31.1) in an interference mode, and the bottom of the rolling contact sleeve is abutted against the inner annular positioning surface (31.4).
7. The orbital damper of claim 5, wherein: the rolling contact sleeve (32) is a linear bearing with an inner wall provided with a ball (32.1), the ball (32.1) is in rolling friction contact with the anchoring sleeper component (2), and the inner wall of the lower sleeve (31.2) is in transition fit with the anchoring sleeper component (2).
8. The orbital damper of claim 4, wherein: the anchoring sleeper component (2) comprises a spiral spike (21) capable of being anchored with a sleeper, a spring washer (22) sleeved on the spiral spike (21), a sleeve (23) and a cover plate (24), wherein the sleeve (24) is arranged on the sleeper and coaxially extends into an anchoring through hole (13) to be in rolling friction contact with a rolling contact sleeve (32), the cover plate (24) covers the sleeve (23), the lower end of the spiral spike (21) penetrates through the cover plate (24) and the sleeve (23) to be anchored with the sleeper, and the spring washer (22) is pressed on the cover plate (24) along with the screwing of the spiral spike (21).
9. The orbital damper of claim 8, wherein: the top of the sleeve (23) extends out of the top of the metal plate through hole (13.1), the bottom surface of the cover plate (24) is vulcanized with an elastic pressing plate (25), the elastic pressing plate (25) is pressed on the rolling friction component (3) and extends to the top surface of the metal plate (11), and the top surface of the elastic pressing plate (25) is flush with the top surface of the sleeve (23).
10. The orbital damper of claim 8, wherein: the bottom end of the sleeve (23) is provided with a radial flanging (23.1), and the outer diameter of the radial flanging (23.1) is larger than that of the bottom of the insulating sleeve (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022417.8A CN112695573A (en) | 2021-01-08 | 2021-01-08 | Track vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110022417.8A CN112695573A (en) | 2021-01-08 | 2021-01-08 | Track vibration damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112695573A true CN112695573A (en) | 2021-04-23 |
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ID=75513338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110022417.8A Pending CN112695573A (en) | 2021-01-08 | 2021-01-08 | Track vibration damper |
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| Country | Link |
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| CN (1) | CN112695573A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832787A (en) * | 2021-10-13 | 2021-12-24 | 株洲时代新材料科技股份有限公司 | Vibration damping connecting piece and precompression formula track vibration damping structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544055A1 (en) * | 1995-10-20 | 1997-04-24 | Butzbacher Weichenbau Gmbh | Superstructure |
| CN201162157Y (en) * | 2007-11-28 | 2008-12-10 | 中国铁道科学研究院铁道建筑研究所 | High-elasticity base plate for rail switch |
| CN201288278Y (en) * | 2008-10-14 | 2009-08-12 | 中铁第一勘察设计院集团有限公司 | Elastic coupling e type spring fastener |
| CN107227660A (en) * | 2016-11-24 | 2017-10-03 | 洛阳双瑞橡塑科技有限公司 | A kind of double-layer vibration damping fastener of low clearance |
| CN111005963A (en) * | 2019-12-05 | 2020-04-14 | 同济大学 | Bearing type motion decoupling vertical vibration isolation device |
-
2021
- 2021-01-08 CN CN202110022417.8A patent/CN112695573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19544055A1 (en) * | 1995-10-20 | 1997-04-24 | Butzbacher Weichenbau Gmbh | Superstructure |
| CN201162157Y (en) * | 2007-11-28 | 2008-12-10 | 中国铁道科学研究院铁道建筑研究所 | High-elasticity base plate for rail switch |
| CN201288278Y (en) * | 2008-10-14 | 2009-08-12 | 中铁第一勘察设计院集团有限公司 | Elastic coupling e type spring fastener |
| CN107227660A (en) * | 2016-11-24 | 2017-10-03 | 洛阳双瑞橡塑科技有限公司 | A kind of double-layer vibration damping fastener of low clearance |
| CN111005963A (en) * | 2019-12-05 | 2020-04-14 | 同济大学 | Bearing type motion decoupling vertical vibration isolation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832787A (en) * | 2021-10-13 | 2021-12-24 | 株洲时代新材料科技股份有限公司 | Vibration damping connecting piece and precompression formula track vibration damping structure |
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Application publication date: 20210423 |