CN213507844U - Novel vibration reduction track structure for elevated section sleeve track - Google Patents
Novel vibration reduction track structure for elevated section sleeve track Download PDFInfo
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- CN213507844U CN213507844U CN202022168735.9U CN202022168735U CN213507844U CN 213507844 U CN213507844 U CN 213507844U CN 202022168735 U CN202022168735 U CN 202022168735U CN 213507844 U CN213507844 U CN 213507844U
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Abstract
The utility model relates to the technical field of rail transit, in particular to a novel damping rail structure for an elevated section sleeve rail, which comprises a common rail, an inner side rail and an outer side rail, wherein the common rail and the outer side rail form one rail, and the common rail and the inner side rail form the other rail; track bed foundations are independently arranged below the common rail, the inner side rail and the outer side rail, each track bed foundation is erected on the concrete baffle base, and a damping pad is arranged between each track bed foundation and the concrete baffle base; the common rail, the inner side rail and the outer side rail form an integral frame structure through connecting steel pipes. The utility model has the advantages that: the method can be used for the transformation of the ballastless track of the existing railway or the new construction of urban areas and inter-city track traffic lines, provides a vibration damping design scheme for the overhead line sleeve rail railway crossing the urban area, is suitable for various application scenes, and has wide application range; the rigidity is high, the stability is good, and the damping effect is obvious; simple and reasonable structure and convenient construction.
Description
Technical Field
The utility model belongs to the technical field of the track traffic technique and specifically relates to a novel damping track structure for elevated section sleeve rail can be used to existing railway ballastless track transformation or newly-built urban area, intercity track traffic line, provides the damping design for the elevated line sleeve rail railway that passes through the urban area.
Background
1. The one-by-one route of national railway infrastructure construction along the route of Africa, Bangladesh, Vietnam, Pakistan and the like is early and old and laggard, the main technical standard of the route is lower, and the requirement of rapid travel in the modern society cannot be met. The demand of the narrow gauge upgrading and reforming into the wide gauge railway is increasingly urgent, the sleeve rail railway serving as a transition type railway can meet the demand on the conveying capacity, the construction cost can be reduced economically, the investment is saved, and the method is a necessary choice for the country having urgent demand for the narrow gauge upgrading and reforming into the wide gauge railway.
2. The ballastless track is mainly used as the set track railway, and along with the rapid development of social economy, the ballastless track with high smoothness, comfort and safety needs to be introduced into the set track railway.
3. In order to implement the human-oriented concept, adaptive matched damping tracks need to be researched according to the characteristics of the set track railway.
Disclosure of Invention
The utility model aims at providing a be used for novel damping track structure of elevated section sleeve rail according to above-mentioned prior art not enough, through making track structure constitute integral frame construction, realize the sleeve rail railway's of ballastless track form design, possess excellent damping effect simultaneously.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a be used for novel damping track structure of elevated segment sleeve rail which characterized in that: the device comprises a common rail, an inner side rail and an outer side rail, wherein the common rail and the outer side rail form one rail, and the common rail and the inner side rail form the other rail; ballast bed foundations are independently arranged below the common rail, the inner side rails and the outer side rails, each ballast bed foundation is erected on a concrete baffle base, and a damping pad is arranged between each ballast bed foundation and the concrete baffle base; and the common rail, the inner side rails and the outer side rails form an integral frame structure through connecting steel pipes among the ballast bed foundations.
The track bed foundation of the common rail is erected on an L-shaped concrete baffle table base, and a vertical baffle table of the L-shaped concrete baffle table base is positioned on the outer side of the track bed foundation of the common rail; the track bed foundation of the inner side rail and the track bed foundation of the outer side rail are erected on the other L-shaped concrete blocking platform base, and the vertical blocking platform of the L-shaped concrete blocking platform base is located on the outer side of the track bed foundation of the outer side rail.
An L-shaped vibration damping pad matched and matched is arranged between the common rail track bed foundation and the corresponding L-shaped concrete baffle table base; a flat vibration damping pad is arranged between the track bed foundation of the inner side rail and the corresponding L-shaped concrete baffle table base; and an L-shaped vibration damping pad matched and matched is arranged between the track bed foundation of the outer side rail and the corresponding L-shaped concrete baffle table base.
Short sleepers are buried in the ballast bed foundation, and the common rail, the inner side rails and the outer side rails are fixed on the short sleepers of the respective ballast bed foundation through fasteners respectively.
The fastener is an elastic split type fastener without a retaining shoulder.
The connecting steel pipes are arranged along the perpendicular direction of the line direction of the common rail, the inner side rail and the outer side rail, and a plurality of connecting steel pipes are arranged at intervals along the line direction of the common rail, the inner side rail and the outer side rail.
The track bed bases are arranged in blocks along the line direction of the common rail, the inner side rails and the outer side rails, and expansion joints are arranged among the track bed base blocks.
And a hoisting hole embedded part is embedded in the ballast bed foundation.
The concrete baffle base is cast on the surface of the viaduct beam in a cast-in-place mode.
The damping pad is a rubber damping pad or a polyurethane damping pad.
The utility model has the advantages that: the method can be used for the transformation of the ballastless track of the existing railway or the new construction of urban areas and inter-city track traffic lines, provides a vibration damping design scheme for the overhead line sleeve rail railway crossing the urban area, is suitable for various application scenes, and has wide application range; the rigidity is high, the stability is good, and the damping effect is obvious; simple structure, reasonable, construction convenience when guaranteeing construction quality, effectively shortens the engineering time.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic plan view of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, the symbols 1-11 in the figures are respectively represented as: the device comprises a common rail 1, an inner side rail 2, an outer side rail 3, an elastic fastener 4, a short sleeper 5, a track bed foundation 6, a galvanized connecting steel pipe 7, a damping pad 8, a concrete baffle base 9, a hoisting hole embedded part 10, a beam surface 10 and a rail surface 11.
Example (b): the novel damping track structure for the elevated section casing rail in the embodiment can be used for transformation of an existing railway ballastless track or construction of urban and inter-city track traffic lines, and provides a damping design scheme for an elevated line casing rail railway passing through an urban area.
As shown in fig. 1, the present embodiment is a set rail structure composed of a public rail 1, an inner rail 2, and an outer rail 3, wherein one set of the public rail 1 and the outer rail 3 is a rail on which a rail train can travel, and the other set of the public rail 1 and the inner rail 2 is another rail on which the rail train can travel. The two sets of rails share a common rail 1 and have different gauges, for example: the sleeve rail structure can be a wide-meter sleeve rail: namely, a wide rail with the track gauge of 1676mm is formed between the common rail 1 and the outer side rail 3, and a meter rail with the track gauge of 1000mm is formed between the common rail 1 and the inner side rail 2. Similarly, the sleeve rail structure can also be a wide-standard sleeve rail (1520 mm-1435 mm) and a standard-meter sleeve rail (1435 mm-1000 mm).
As shown in fig. 1, track bed bases 6 are independently arranged below the common rail 1, the inner side rail 2 and the outer side rail 3 respectively, each track bed base 6 is provided with a short sleeper 5, and the short sleepers 5 are used for supporting the rails above; the common rail 1, the inner rail 2 and the outer rail 3 can be fixed on the short sleepers 5 of the corresponding track bed foundation 6 through elastic fasteners 4.
As shown in fig. 1 and 2, the bed foundations 6 of the common rail 1, the inner rail 2, and the outer rail 3 are connected and fixed by the galvanized steel pipes 7, so that the independent bed foundations 6 form an integral frame structure, thereby improving structural rigidity and stability.
As shown in fig. 1, two concrete abutment bases 9 are provided below each track bed base 6, the track bed bases 6 of the common rail 1 are individually erected on one concrete abutment base 9, and the track bed bases 6 of the inner side rail 2 and the outer side rail 3 are collectively erected on the other concrete abutment base 9.
The two concrete baffle table bases 9 are respectively of an L-shaped structure, wherein the vertical surface of the concrete baffle table base 9 of the track bed foundation 6 for independently erecting the common rail 1 is positioned on the outer side of the track bed foundation 6 so as to transversely limit the track bed foundation 6 and prevent the track bed foundation from moving outwards; and the vertical surface of the concrete baffle table base 9 of the track bed foundation 6 for erecting the inner side rails 2 and the outer side rails 3 together is positioned at the outer side of the track bed foundation 6 of the outer side rails 3, and also has the function of transversely limiting the track bed foundation 6 of the outer side rails 3, so that the integral frame structure can effectively keep the position precision.
As shown in fig. 2, a lifting hole embedded part 10 is embedded in each ballast bed foundation 6 to provide a stable lifting point for lifting operation, which is convenient for the implementation of the lifting operation.
In the embodiment, during actual construction, a construction mode from bottom to top is adopted, the concrete on the beam surface 10 of the viaduct is positioned and constructed by a cast-in-place method firstly to stop the platform base 9, then the damping pad 8 is laid, and finally the frame track panel structure consisting of the steel rails (the common rail 1, the inner side rail 2 and the outer side rail 3), the short sleepers 5 and the track bed foundation 6 is lifted and laid at a construction designated position at one time through the hoisting hole embedded parts 10, so that the construction efficiency is effectively improved. Meanwhile, when the frame track panel structure is manufactured, each track bed foundation 6 is connected through galvanized connecting steel pipes 7 which are arranged regularly in the transverse direction to form the frame structure, the frame structure is low in self weight, high in stability and suitable for a viaduct bridge section, and meanwhile, the frame structure and the lower damping pad 8 form a mass spring system, so that the frame structure has a remarkable damping effect.
In the embodiment, in specific implementation: the ballast bed foundation 6 can be prefabricated in advance before cast-in-place construction, and the short sleeper 5 and the hoisting hole embedded part 10 are embedded into the ballast bed foundation 6 during prefabrication; in some cases, the common rail 1, the inner rail 2 and the outer rail 3 may be directly mounted on the track bed foundation 6 through the elastic fastener 4 when the track bed foundation 6 is prefabricated, but may be mounted after the track bed foundation 6 is erected on the concrete abutment base 9 to ensure that the heights of the rail surfaces 11 of the rails are uniform.
As shown in fig. 2, the short sleepers 5 are embedded in a track bed foundation 6, the track bed foundation 6 is a strip foundation and is arranged in blocks along the line direction of the rail sleeving structure according to a certain size, and an expansion joint form is adopted among the track bed foundation blocks. The ballast bed foundation blocks can be made of C40 concrete and HRB 400-grade steel bars.
As shown in fig. 2, three rows of strip-shaped ballast bed foundations 6 are connected by galvanized connecting steel pipes 7 and are uniformly arranged at intervals along the line defense line of the casing rail structure.
The damping pad 8 may be made of a rubber material or a polyurethane material. The elastic fastener 4 can be an elastic split type fastener without a shoulder.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (10)
1. The utility model provides a be used for novel damping track structure of elevated segment sleeve rail which characterized in that: the device comprises a common rail, an inner side rail and an outer side rail, wherein the common rail and the outer side rail form one rail, and the common rail and the inner side rail form the other rail; ballast bed foundations are independently arranged below the common rail, the inner side rails and the outer side rails, each ballast bed foundation is erected on a concrete baffle base, and a damping pad is arranged between each ballast bed foundation and the concrete baffle base; and the common rail, the inner side rails and the outer side rails form an integral frame structure through connecting steel pipes among the ballast bed foundations.
2. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: the track bed foundation of the common rail is erected on an L-shaped concrete baffle table base, and a vertical baffle table of the L-shaped concrete baffle table base is positioned on the outer side of the track bed foundation of the common rail; the track bed foundation of the inner side rail and the track bed foundation of the outer side rail are erected on the other L-shaped concrete blocking platform base, and the vertical blocking platform of the L-shaped concrete blocking platform base is located on the outer side of the track bed foundation of the outer side rail.
3. The novel damping track structure for the elevated section casing track according to claim 2, characterized in that: an L-shaped vibration damping pad matched and matched is arranged between the common rail track bed foundation and the corresponding L-shaped concrete baffle table base; a flat vibration damping pad is arranged between the track bed foundation of the inner side rail and the corresponding L-shaped concrete baffle table base; and an L-shaped vibration damping pad matched and matched is arranged between the track bed foundation of the outer side rail and the corresponding L-shaped concrete baffle table base.
4. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: short sleepers are buried in the ballast bed foundation, and the common rail, the inner side rails and the outer side rails are fixed on the short sleepers of the respective ballast bed foundation through fasteners respectively.
5. The novel damping track structure for the elevated section casing track according to claim 4, is characterized in that: the fastener is an elastic split type fastener without a retaining shoulder.
6. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: the connecting steel pipes are arranged along the perpendicular direction of the line direction of the common rail, the inner side rail and the outer side rail, and a plurality of connecting steel pipes are arranged at intervals along the line direction of the common rail, the inner side rail and the outer side rail.
7. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: the track bed bases are arranged in blocks along the line direction of the common rail, the inner side rails and the outer side rails, and expansion joints are arranged among the track bed base blocks.
8. The novel damping track structure for the elevated section casing rail according to claim 1 or 7, characterized in that: and a hoisting hole embedded part is embedded in the ballast bed foundation.
9. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: the concrete baffle base is cast on the surface of the viaduct beam in a cast-in-place mode.
10. The novel damping track structure for the elevated section casing track according to claim 1, characterized in that: the damping pad is a rubber damping pad or a polyurethane damping pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168735.9U CN213507844U (en) | 2020-09-28 | 2020-09-28 | Novel vibration reduction track structure for elevated section sleeve track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022168735.9U CN213507844U (en) | 2020-09-28 | 2020-09-28 | Novel vibration reduction track structure for elevated section sleeve track |
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| Publication Number | Publication Date |
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| CN213507844U true CN213507844U (en) | 2021-06-22 |
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| CN202022168735.9U Active CN213507844U (en) | 2020-09-28 | 2020-09-28 | Novel vibration reduction track structure for elevated section sleeve track |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032714A (en) * | 2021-11-08 | 2022-02-11 | 中车长春轨道客车股份有限公司 | Universal conveying track for wide and narrow rail and standard gauge wheel pair |
-
2020
- 2020-09-28 CN CN202022168735.9U patent/CN213507844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032714A (en) * | 2021-11-08 | 2022-02-11 | 中车长春轨道客车股份有限公司 | Universal conveying track for wide and narrow rail and standard gauge wheel pair |
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Inventor after: Qian Cheng Inventor after: Lu Yun Inventor after: Wu Jun Inventor after: Gong Yin Inventor after: Liu Dongya Inventor before: Qian Cheng Inventor before: Lu Yun Inventor before: Wu Jun Inventor before: Gong Yin Inventor before: Liu Dongya |