CN216237907U - Novel elastic special-shaped vibration reduction sleeper - Google Patents
Novel elastic special-shaped vibration reduction sleeper Download PDFInfo
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- CN216237907U CN216237907U CN202122836402.3U CN202122836402U CN216237907U CN 216237907 U CN216237907 U CN 216237907U CN 202122836402 U CN202122836402 U CN 202122836402U CN 216237907 U CN216237907 U CN 216237907U
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Abstract
The utility model discloses a novel elastic special-shaped vibration damping sleeper, which comprises two steel rails and two longitudinal beams; the two steel rails are respectively fixed on the two longitudinal beams which are oppositely arranged; a plurality of transverse connecting rods are uniformly distributed on the two longitudinal beams along the length direction of the longitudinal beams; a vibration absorption component for absorbing sound and reducing vibration is arranged above the transverse connecting rod; the two longitudinal beams are respectively and fixedly arranged on the supporting piece; a damping pad and an elastic support are respectively embedded between the support piece and the longitudinal beam; the damping pad and the elastic support are both wrapped in the elastic sleeve, and the damping pad, the elastic support and the elastic sleeve form a stressed integral part. The vibration damping pad, the elastic support and the elastic sleeve form a stressed integral part so as to reduce energy leakage during interaction between the train wheel rails during subway operation and further achieve the purposes of vibration damping and noise reduction.
Description
Technical Field
The utility model belongs to the technical field of rail engineering, and particularly relates to a novel elastic special-shaped vibration damping sleeper.
Background
Since the early sleeper was developed, various sleepers with different shapes and different functions developed according to the functional requirements have increased with the demand for vibration reduction, and the following are generally used in various environments:
1. a trapezoidal sleeper; the trapezoidal sleeper is originally a proprietary product developed by the japan railway integrated technology research institute, is formed of a PC-made longitudinal beam and a steel-made lateral connecting rod, is similar to an escalator, and is called a trapezoidal sleeper. The trapezoidal sleeper reduces the load of the track, changes the continuous elastic support of the sleeper into an elastic buttress and improves the performance of vibration and noise reduction. The vibration reduction is realized by mainly utilizing a longitudinal continuous trapezoidal framework under the rail to participate in vibration and absorbing the vibration energy of the wheel rail.
2. Elastic long sleepers; the elastic long sleeper is designed on the basis of the traditional elastic short sleeper, an ethylene propylene diene monomer micro-pore foaming elastic cushion layer with lower rigidity is arranged at the bottom of the sleeper, and the elastic cushion layer and the long sleeper are isolated from a track bed through an elastic sleeve shoe, so that the elastic long sleeper can be freely compressed for a certain stroke in the vertical direction when a train passes through the elastic long sleeper, and vibration reduction is realized; is basically inelastic in the horizontal longitudinal direction and the horizontal direction so as to ensure the stability of the horizontal direction.
Urban rail transit relieves urban traffic congestion, brings convenience to people's trip, and simultaneously has produced a series of problems such as environmental vibration, noise pollution. How to accurately predict the vibration caused by urban rail transit and adopt reasonable vibration reduction measures becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a novel resilient profiled vibration-damping sleeper, which solves or improves the above-mentioned problems.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a novel elastic special-shaped vibration damping sleeper comprises two steel rails and two longitudinal beams; the two steel rails are respectively fixed on the two longitudinal beams which are oppositely arranged; a plurality of transverse connecting rods are uniformly distributed on the two longitudinal beams along the length direction of the longitudinal beams; a vibration absorption component for absorbing sound and reducing vibration is arranged above the transverse connecting rod;
the two longitudinal beams are respectively and fixedly arranged on the supporting piece; a damping pad and an elastic support are respectively embedded between the support piece and the longitudinal beam; the damping pad and the elastic support are both wrapped in the elastic sleeve, and the damping pad, the elastic support and the elastic sleeve form a stressed integral part.
Further, the supporting piece is an L-shaped concrete supporting piece; a damping pad and an elastic support are embedded between the inner side of the L-shaped concrete support and the longitudinal beam; the damping pad is arranged at the bottom of the longitudinal beam, and the elastic support is arranged on the side surface of the longitudinal beam.
Furthermore, the elastic sleeve is in a cuboid groove shape with an open top.
Furthermore, the transverse connecting rod is a steel pipe which is arranged at an opening at one end of the elastic sleeve and is in contact connection with the elastic sleeve.
The vibration reduction assembly comprises a first vibration reduction plate and a second vibration reduction plate which are arranged at the top of the transverse connecting rod; and a sound absorption layer is arranged between the first vibration reduction plate and the second vibration reduction plate.
Furthermore, two ends of the second vibration damping plate are respectively connected with a connecting piece, the connecting piece is an L-shaped connecting plate, and the L-shaped connecting plate is fixed on the longitudinal beam through a bolt; and the second damping plate and the L-shaped connecting plate are integrally arranged.
Furthermore, a plurality of honeycomb holes are formed in the first vibration reduction plate and the second vibration reduction plate.
Further, the sound absorption layer is a sound absorption sponge.
The novel elastic special-shaped vibration damping sleeper provided by the utility model has the following beneficial effects:
the vibration damping pad, the elastic support and the elastic sleeve form a stressed integral part so as to reduce energy leakage during interaction between the train wheel rails during subway operation and further achieve the purposes of vibration damping and noise reduction.
According to the utility model, the first partition plate and the second partition plate with honeycomb-shaped holes are arranged above the transverse connecting rod, so that the noise generated between a subway and a sleeper can be effectively absorbed; simultaneously, the cotton layer of inhaling sound that sets up between first baffle and the second baffle can further noise absorption to reach and inhale the function of making an uproar.
Drawings
Fig. 1 is a schematic structural diagram of a novel elastic profiled damping sleeper.
Wherein, 1, steel rail; 2. a stringer; 3. a support member; 4. elastic support; 5. a vibration damping pad; 6. an elastic sleeve; 7. a transverse coupling rod; 8. a connecting member; 9. a first damping plate; 10. a sound absorbing layer; 11. a second damping plate; 12. a vibration reduction assembly.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all changes that come within the meaning and range of equivalency of the claims are to be embraced therein.
According to one embodiment of the application, referring to fig. 1, the novel elastic special-shaped damping sleeper of the scheme comprises two steel rails 1, two longitudinal beams 2 and two supporting pieces 3.
The two steel rails 1 are respectively fixed on two longitudinal beams 2 which are oppositely arranged, and a plurality of transverse connecting rods 7 are uniformly distributed on the two longitudinal beams 2 along the length direction.
The matching of the longitudinal beam 2 and the transverse connecting rod 7 can reduce the load of the rail.
Above the transverse coupling rod 7 is mounted a damping assembly 12 for sound absorption and damping.
Two longerons 2 are fixed mounting respectively on support piece 3, inlays respectively between support piece 3 and the longeron 2 and establishes damping pad 5 and elastic support 4.
The damping pad 5 and the elastic support 4 are both wrapped in the elastic sleeve 6, and the damping pad 5, the elastic support 4 and the elastic sleeve 6 form a stressed integral part.
When the device is used specifically, the damping pad 5, the elastic support 4 and the elastic sleeve 6 form a stressed integral part so as to reduce energy leakage during interaction between train wheel rails during subway operation and further achieve the purposes of damping and reducing noise.
The support 3 is an L-shaped concrete support 3, and the L-shaped concrete support 3 is used for supporting the longitudinal beam 2 and the steel rail 1.
And a damping pad 5 and an elastic support 4 are embedded between the inner side of the L-shaped concrete support member 3 and the longitudinal beam 2, the damping pad 5 is arranged at the bottom of the longitudinal beam 2, and the elastic support 4 is arranged on the side surface of the longitudinal beam 2.
The damping pad 5, the elastic support 4 and the elastic sleeve 6 may be made of elastic rubber for damping and reducing noise of the rail, and may also be made of other elastic materials, which is not limited herein.
The elastic sleeve 6 is in a cuboid groove shape with an open top, the height of the side edge on one side of the elastic sleeve is larger than that of the opposite side edge, the higher side edge is positioned between the L-shaped concrete support piece 3 and the longitudinal beam 2, and the shorter side edge of the elastic sleeve is contacted with the side edge of the longitudinal beam 2.
The damping pad 5 and the elastic support 4 are fixed in the cuboid groove shape, and the elastic sleeve 6, the damping pad 5 and the elastic support 4 form a stressed whole.
The transverse connecting rod 7 is a steel pipe which is arranged at an opening at one end of the elastic sleeve 6 and is in contact connection with the elastic sleeve 6.
The vibration damping assembly 12 is used for absorbing noise generated between the steel rail 1 and a subway so as to realize the effects of vibration damping and noise reduction.
The damping device comprises a first damping plate 9 and a second damping plate 11 which are arranged at the top of a transverse connecting rod 7; a sound absorbing layer 10 is provided between the first damping plate 9 and the second damping plate 11.
The two ends of the second vibration damping plate 11 are respectively connected with the connecting pieces 8, each connecting piece 8 is an L-shaped connecting plate, each L-shaped connecting plate is fixed on the longitudinal beam 2 through a bolt, and the second vibration damping plate 11 and the L-shaped connecting plates are integrally arranged.
Under the condition that the second vibration damping plate 11 and the L-shaped connecting plate are integrally arranged, the second vibration damping plate 11 can realize the functions of vibration damping and sound absorption and also has the functions of bearing and connecting.
And a plurality of honeycomb holes are formed in the first vibration reduction plate 9 and the second vibration reduction plate 11, and the first vibration reduction plate 9 and the second vibration reduction plate 11 with the honeycomb holes can absorb noise more efficiently.
The sound absorbing layer 10 is a sound absorbing sponge, has a stronger sound absorbing function, and can further absorb generated noise.
According to the utility model, the vibration damping pad 5, the elastic support 4 and the elastic sleeve 6 form a stressed integral part, so that energy leakage during interaction between train wheel rails during subway operation is reduced, and the purposes of vibration damping and noise reduction are further achieved. According to the utility model, the first partition plate and the second partition plate with honeycomb-shaped holes are arranged above the transverse connecting rod 7, so that the noise generated between a subway and a sleeper can be effectively absorbed; simultaneously, the cotton layer of inhaling sound that sets up between first baffle and the second baffle can further noise absorption to reach and inhale the function of making an uproar.
While the present invention has been described in detail with reference to the embodiments, the scope of the present invention should not be limited to the embodiments. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (8)
1. The utility model provides a novel elasticity dysmorphism damping sleeper which characterized in that: comprises two steel rails and two longitudinal beams; the two steel rails are respectively fixed on two longitudinal beams which are oppositely arranged; a plurality of transverse connecting rods are uniformly distributed on the two longitudinal beams along the length direction of the longitudinal beams; a vibration absorption component for absorbing sound and reducing vibration is arranged above the transverse connecting rod;
the two longitudinal beams are respectively and fixedly arranged on the supporting piece; a damping pad and an elastic support are respectively embedded between the support piece and the longitudinal beam; the damping pad and the elastic support are both wrapped in the elastic sleeve, and the damping pad, the elastic support and the elastic sleeve form a stressed integral part.
2. The novel resilient profiled vibration damping sleeper as defined in claim 1, wherein: the supporting piece is an L-shaped concrete supporting piece; a damping pad and an elastic support are embedded between the inner side of the L-shaped concrete support and the longitudinal beam; the damping pad is arranged at the bottom of the longitudinal beam, and the elastic support is arranged on the side surface of the longitudinal beam.
3. The novel resilient profiled vibration damping sleeper as defined in claim 2, wherein: the elastic sleeve is in a cuboid groove shape with an opening at the top.
4. A novel resilient profiled vibration-damping sleeper as defined in claim 3, wherein: the transverse connecting rod is a steel pipe, and the steel pipe is arranged at an opening at one end of the elastic sleeve and is in contact connection with the elastic sleeve.
5. The novel resilient profiled vibration damping sleeper as defined in claim 1, wherein: the vibration reduction assembly comprises a first vibration reduction plate and a second vibration reduction plate which are arranged at the top of the transverse connecting rod; and a sound absorption layer is arranged between the first vibration reduction plate and the second vibration reduction plate.
6. The novel resilient contoured vibration damping sleeper as defined in claim 5, wherein: two ends of the second vibration damping plate are respectively connected with a connecting piece, the connecting piece is an L-shaped connecting plate, and the L-shaped connecting plate is fixed on the longitudinal beam through a bolt; and the second damping plate and the L-shaped connecting plate are integrally arranged.
7. The novel resilient contoured vibration damping sleeper as defined in claim 5, wherein: and a plurality of honeycomb holes are formed in the first vibration reduction plate and the second vibration reduction plate.
8. The novel resilient contoured vibration damping sleeper as defined in claim 5, wherein: the sound absorption layer is made of sound absorption sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836402.3U CN216237907U (en) | 2021-11-18 | 2021-11-18 | Novel elastic special-shaped vibration reduction sleeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836402.3U CN216237907U (en) | 2021-11-18 | 2021-11-18 | Novel elastic special-shaped vibration reduction sleeper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216237907U true CN216237907U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836402.3U Active CN216237907U (en) | 2021-11-18 | 2021-11-18 | Novel elastic special-shaped vibration reduction sleeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216237907U (en) |
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2021
- 2021-11-18 CN CN202122836402.3U patent/CN216237907U/en active Active
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