CN209941412U - Track vibration damper with anti-seismic performance - Google Patents
Track vibration damper with anti-seismic performance Download PDFInfo
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- CN209941412U CN209941412U CN201920082528.6U CN201920082528U CN209941412U CN 209941412 U CN209941412 U CN 209941412U CN 201920082528 U CN201920082528 U CN 201920082528U CN 209941412 U CN209941412 U CN 209941412U
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Abstract
The utility model discloses a track vibration damper with anti-seismic performance, which comprises a pre-buried sleeve, an elastic vibration damper and a vibration damping base, wherein the elastic vibration damper comprises a vibration damping bearing structure, a lower sleeve, an upper sleeve, a vibration damping spring and a vibration damping guide structure, and the vibration damper base comprises a base cushion block and a limiting ring; an 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 utility model has the rigidity in the horizontal direction and the vertical direction, when the floating track bed is subjected to the action of horizontal earthquake, the pre-buried 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 and shock resistance, and can consume earthquake energy to a great extent; the utility model discloses a be provided with shock attenuation guide structure, can adjust damping spring, play and rise or reduce damping device so that the installation.
Description
Technical Field
The utility model relates to a railway track technical field, specific theory relates to a track vibration damper with anti-seismic performance.
Background
Vibration and noise are the most widely recognized public hazard and are a difficult problem to be solved in recent years in the development of rail transit. In the vibration and noise reduction technologies of the existing rail transit, the most successful practical application is a component floating technology, typically a floating track bed technology, and the vibration isolation efficiency is high, the working performance is stable, and the vibration isolation technology becomes a consensus in the industry.
However, the conventional floating track bed utilizes the axial stiffness of the springs in the device to bear the weight of the track equipment, achieves vibration isolation treatment on the track equipment through design control on the natural frequency of the springs, and does not consider the lateral stiffness bearing of the springs in the product design because the earthquake action is not considered in the design process. In addition, the requirement and the precision of the conventional floating track bed are not high, and the structures of the devices at the early stage are all connected in a rigid manner. During installation, it is difficult to adjust the spring inside the device to meet the installation requirements.
The above-mentioned drawbacks are worth solving.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a track vibration damper with anti-seismic performance.
The utility model discloses technical scheme as follows:
a track vibration damper with anti-seismic performance comprises an embedded sleeve, an elastic vibration damper and a vibration damping base,
the embedded sleeve is arranged in a reserved through hole in the floating track 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, and 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 at the top of the embedded sleeve, an adjusting hole is formed in the upper cover plate, and the damping guide structure is arranged below the adjusting hole.
Furthermore, a first sleeve hole connected with the damping guide structure is formed in the lower sleeve, and a nut connected with the damping guide structure is arranged below the first sleeve hole; the upper sleeve is provided with a second trepanning of the shock absorption guide structure, inner teeth are arranged in the second trepanning, the second trepanning passes through the inner teeth and is fixedly connected with the shock absorption guide structure, and the shock absorption guide structure moves up and down along the first trepanning through a shock absorption spring.
Furthermore, the shock attenuation guide structure is interior pentagon bolt, or is interior hexagon bolt, or is interior octagon bolt.
Furthermore, the shock absorber base comprises a base cushion block, and the base cushion block is arranged at the bottom of the elastic shock absorber.
Furthermore, the base cushion block is made of rubber.
Furthermore, the shock absorber base further comprises a limiting ring, and the limiting ring is arranged on the periphery of the bottom of the base cushion block and the elastic shock absorber.
Further, an inner wall sleeve gasket is arranged on the inner side wall of the embedded sleeve, and the inner wall sleeve gasket is at least annularly arranged on the periphery of the upper sleeve.
Furthermore, the inner wall sleeve gasket is made of rubber.
Furthermore, an embedded part is arranged on the embedded sleeve and used for connecting the floating track bed with the embedded sleeve.
According to the scheme, the utility model has the advantages that the utility model has the rigidity in the horizontal direction and the vertical direction by arranging the pre-buried sleeve, the elastic shock absorber and the shock absorption base, when the floating track 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 and shock resistance, so that the energy of an earthquake can be consumed to a great extent; the utility model discloses a be provided with shock attenuation guide structure, can adjust damping spring, play and rise or reduce damping device so that the installation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the connection between the elastic damper and the damping base of the present invention.
Fig. 4 is a partial schematic view of the middle elastic shock absorber according to the present invention.
Fig. 5 is a partial schematic view of the middle elastic damper of the present invention.
Fig. 6 is a schematic view of the pre-buried sleeve of the present invention.
Fig. 7 is a schematic view of the middle stop collar of the present invention.
In the figure, 1, base; 2. a floating track bed; 3. pre-burying a sleeve; 301. an upper cover plate; 302. a handle pull ring; 303. an adjustment hole; 304. embedding parts; 305. the upper cover is threaded; 306. inner teeth of the sleeve;
4. an elastic damper; 401. a shock absorbing load bearing structure; 402. a lower sleeve; 403. an upper sleeve; 404. a damping spring; 405. a shock-absorbing guide structure; 406. a nut;
5. a damping mount; 501. a base cushion block; 502. a limiting ring; 503. an anchor bolt hole.
Detailed Description
The invention is further described with reference to the following figures and embodiments:
as shown in fig. 1-5, a rail damping device with shock resistance 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 track 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 damper base 5 is connected to the bottom of the elastic damper 4.
Wherein, the upper sleeve 403 is sleeved on the lower sleeve 402, the upper sleeve 403 and the lower sleeve 402 are provided with an upper and lower coincidence height, and the coincidence height is not more than 4 mm.
In addition, the pre-buried sleeve 3 and the elastic shock absorber 4 keep a certain transverse gap, so as to ensure that the elastic shock absorber 4 can rock in the pre-buried sleeve 3, specifically, the transverse gap range of the upper sleeve 403 and the pre-buried sleeve 3 is 4-6mm, for example, the transverse gap between the upper sleeve 403 and the pre-buried sleeve 3 is 5mm, so that the elastic shock absorber 4 can rock in the pre-buried sleeve 3, when an earthquake occurs, the upper sleeve 403 touches the inner wall of the pre-buried sleeve 3, and a part of earthquake energy can be consumed through the touch of the upper sleeve 403 and the pre-buried sleeve 3. When the transverse gap is too narrow, namely the transverse displacement is small, the aim of shock absorption cannot be achieved; when the transverse clearance is too large, the elastic shock absorber 4 cannot touch the embedded sleeve 3 before failing, and the significance of transversely consuming seismic energy is completely lost.
The utility model provides a track vibration damper for having anti-seismic performance utilizes the design of dynamics principle to confirm the rigidity of this damping device in horizontal direction and vertical direction to confirm its natural frequency, makes the device be long period natural frequency, keeps away from the natural frequency of track equipment simultaneously, thereby makes under the earthquake action, when track equipment receives horizontal earthquake effect, common effects such as lower sleeve, shock attenuation guide structure, shock attenuation load-bearing structure resist horizontal effort; meanwhile, the elastic sleeve of the damping device has transverse rigidity, and in the movement process of equipment, the elastic sleeve allows transverse displacement to be generated, so that the energy of earthquake can be consumed to a great extent, and the damage of the earthquake to the equipment is greatly reduced; when an earthquake happens very rarely and the track equipment generates very large horizontal displacement under the action of the earthquake, the embedded sleeve 3 of the damping device can play a limiting role to resist the action of the earthquake; the purpose of the automatic damping device is achieved by arranging the damping spring 404 and the damping guide structure 405.
The beneficial effect who so sets up does: the utility model is provided with the pre-buried sleeve, the elastic shock absorber and the shock absorption base, the utility model has the rigidity in the horizontal direction and the vertical direction, when the floating track bed is subjected to the action of horizontal earthquake, the horizontal acting force is resisted by the combined action of the elastic sleeve, the shock absorption spring, the shock absorption bearing structure and the like; the elastic sleeve has transverse rigidity and shock resistance, so that the energy of an earthquake can be consumed to a great extent; the utility model discloses a be provided with shock attenuation guide structure, damping spring can adjust down plays rising or reduces damping device so that the installation.
Preferably, in a specific embodiment, as shown in fig. 6, an upper cover plate 301 is disposed on a top of the embedded sleeve 3, an adjusting hole 303 is disposed on the upper cover plate 301, and a damping guide structure 405 is disposed below the adjusting hole 303. Specifically, upper cover plate 301 is the dome, and its periphery is provided with upper cover screw thread 305, is provided with tooth 306 in the sleeve on the pre-buried sleeve 3, through the cooperation of tooth 306 in upper cover screw thread 305 and the sleeve, realizes upper cover plate 301 and pre-buried sleeve 3 threaded connection, and still is provided with handle pull ring 302 on upper cover plate 301 for upper cover plate 301 installation and dismantlement.
Preferably, in a specific embodiment, the lower sleeve 402 is provided with a first sleeve hole connected with the shock-absorbing guide structure 405, and a nut 406 connected with the shock-absorbing guide structure 405 is arranged below the first sleeve hole; go up and be provided with on the sleeve 403 with the second trepanning of shock attenuation guide structure, and be provided with interior tooth in the second trepanning, the second trepanning through interior tooth and shock attenuation guide structure 405 fixed connection, the shock attenuation guide structure reciprocates along first trepanning through damping spring.
Preferably, in a specific embodiment, the shock absorbing guide structure 405 is an inner pentagonal bolt, or an inner hexagonal bolt, or an inner 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, so that 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 comprises 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 and carrying structure 401.
Preferably, in a specific embodiment, the base pad 501 is made of rubber.
Preferably, in a specific embodiment, the shock absorber base 5 further comprises a limiting ring 502, and the limiting ring 502 is disposed around the base cushion 501 and the periphery of 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 sleeve pad is disposed on an inner side wall of the embedded sleeve 3, and the inner wall sleeve pad is at least annularly disposed on the periphery of the upper sleeve 403.
Preferably, in a specific embodiment, the inner wall sleeve gasket 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 track bed 2 with the embedded sleeve 3. Specifically, embedded parts 304 are uniformly arranged around the embedded sleeve 3, and the embedded parts 304 are provided with bolt holes and fixedly connected with the floating track bed through screws.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.
Claims (10)
1. A track vibration damper with anti-seismic performance is characterized by comprising an embedded sleeve, an elastic vibration damper and a vibration damping base,
the embedded sleeve is arranged in a reserved through hole in the floating track 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, and 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.
2. The track vibration damper with the shock resistance as claimed in claim 1, wherein the top of the embedded sleeve is provided with an upper cover plate, the upper cover plate is provided with an adjusting hole, and the shock-absorbing guide structure is arranged below the adjusting hole.
3. The track vibration damper with the shock resistance as claimed in claim 1, wherein the lower sleeve is provided with a first sleeve hole connected with the shock-absorbing guide structure, and a nut connected with the shock-absorbing guide structure is arranged below the first sleeve hole; the upper sleeve is provided with a second trepanning of the shock absorption guide structure, inner teeth are arranged in the second trepanning, the second trepanning passes through the inner teeth and is fixedly connected with the shock absorption guide structure, and the shock absorption guide structure moves up and down along the first trepanning through a shock absorption spring.
4. The track vibration damper with shock resistance according to claim 1, wherein the shock-absorbing guide structure is an internal pentagonal bolt, or an internal hexagonal bolt, or an internal octagonal bolt.
5. The track vibration damper with vibration damping capability according to claim 1, wherein the damper base comprises a base pad block, and the base pad block is arranged at the bottom of the elastic damper.
6. The track vibration damper with shock resistance of claim 5, wherein the base cushion block is made of rubber.
7. The track vibration damper with shock resistance according to claim 6, wherein the damper base further comprises a limiting ring, and the limiting ring is arranged at the periphery of the base cushion block and the bottom of the elastic damper.
8. The track vibration damper with the earthquake resistance according to claim 1, wherein an inner wall sleeve gasket is arranged on the inner side wall of the embedded sleeve, and the inner wall sleeve gasket is at least annularly arranged on the periphery of the upper sleeve.
9. The track vibration damper with shock resistance according to claim 8, wherein the inner wall sleeve pad is made of rubber.
10. The track vibration damper with the earthquake resistance as claimed in claim 1, wherein an embedded part is arranged on the embedded sleeve, and the embedded part is used for connecting the floating track bed and the embedded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082528.6U CN209941412U (en) | 2019-01-18 | 2019-01-18 | Track vibration damper with anti-seismic performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082528.6U CN209941412U (en) | 2019-01-18 | 2019-01-18 | Track vibration damper with anti-seismic performance |
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| Publication Number | Publication Date |
|---|---|
| CN209941412U true CN209941412U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920082528.6U Active CN209941412U (en) | 2019-01-18 | 2019-01-18 | Track vibration damper with anti-seismic performance |
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| CN (1) | CN209941412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653037A (en) * | 2019-01-18 | 2019-04-19 | 盛年科技有限公司 | A kind of track vibration-reducing device with anti-seismic performance |
| CN111764200A (en) * | 2020-07-10 | 2020-10-13 | 郑州铁路职业技术学院 | Shock attenuation formula railway rails |
-
2019
- 2019-01-18 CN CN201920082528.6U patent/CN209941412U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653037A (en) * | 2019-01-18 | 2019-04-19 | 盛年科技有限公司 | A kind of track vibration-reducing device with anti-seismic performance |
| CN109653037B (en) * | 2019-01-18 | 2023-11-17 | 盛年科技有限公司 | Rail vibration damper with vibration resistance |
| CN111764200A (en) * | 2020-07-10 | 2020-10-13 | 郑州铁路职业技术学院 | Shock attenuation formula railway rails |
| CN111764200B (en) * | 2020-07-10 | 2021-03-23 | 郑州铁路职业技术学院 | Shock attenuation formula railway rails |
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