CN218666933U - Seamless rack toothed rail long sleeper buried ballastless track - Google Patents
Seamless rack toothed rail long sleeper buried ballastless track Download PDFInfo
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- CN218666933U CN218666933U CN202223223691.0U CN202223223691U CN218666933U CN 218666933 U CN218666933 U CN 218666933U CN 202223223691 U CN202223223691 U CN 202223223691U CN 218666933 U CN218666933 U CN 218666933U
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Abstract
The utility model discloses a seamless rack cogged rail long pillow formula ballastless track that buries, including sleeper and reinforced concrete railway plate board, set up a plurality of sleeper along reinforced concrete railway plate length direction interval, the length direction interval of sleeper is equipped with a plurality of and reserves the through-hole, reserves the through-hole and link up the sleeper along sleeper width direction, and all sleepers set up the position of reserving the through-hole unanimously, and sleeper embedding reinforced concrete railway plate, the longitudinal reinforcement of reinforced concrete railway plate passes the reservation through-hole that corresponds the position, and the sleeper middle part sets up seamless rack, and the left and right sides sets up the rail respectively. The utility model discloses a structural style of seamless rack has reduced the rack and has connected, has reduced the bad risk of gear rack rail meshing and to the impact of reinforced concrete railway bed board, can improve security and comfort level, has eliminated the problem that there is the ballast track poor stability, the easy landing of railway ballast, and ballastless track structure durability is good simultaneously, can reduce the maintenance work load of circuit.
Description
Technical Field
The utility model relates to a track traffic technical field, especially a seamless rack toothed rail long sleeper burys formula ballastless track.
Background
At present, sectional racks are mostly adopted for domestic and foreign toothed rail railways, and the track structure is generally a ballast track. The sectional type rack has a large number of joints, so that the driving stability is influenced; the ballast track bed has poor stability, and particularly, ballast sliding is easy to occur on a large slope, so that the workload of line maintenance is large.
The ballastless track and the seamless line have obvious advantages in the direction of ensuring the stability of the track and reducing the maintenance workload. In order to ensure the stability of a large-slope section toothed rail railway track, reduce rack joints and improve the driving stability, a seamless rack toothed rail ballastless track structure needs to be provided urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems in the prior art, the embedded ballastless track with the long sleeper of the seamless rack and the toothed track is provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a seamless rack toothed rail long sleeper formula ballastless track that burys, includes sleeper and reinforced concrete railway bed board, follows reinforced concrete railway bed board length direction interval sets up a plurality of the sleeper, the length direction interval of sleeper is equipped with a plurality of reservation through-hole, reserve the through-hole and follow sleeper width direction link up the sleeper, all the sleeper sets up the position of reserving the through-hole is unanimous, the sleeper embedding reinforced concrete railway bed board, the longitudinal reinforcement of reinforced concrete railway bed board passes corresponding position reserve the through-hole, the sleeper middle part sets up seamless rack, and the left and right sides sets up the rail respectively.
The seamless rack can be formed by continuously rolling and forming a seamless rack or welding to form the seamless rack.
Adopt a long pillow of seamless rack cogged rail bury formula ballastless track, through the structural style of seamless rack has reduced the rack joint, has reduced the gear cogged rail meshing bad risk and right reinforced concrete railway bed board's impact can improve security and comfort level, through set up on the sleeper reserve the through-hole, just reinforced concrete railway bed board's longitudinal reinforcement passes reserve the mode of through-hole, strengthen the connection effect, improve ballastless track wholeness, eliminated the problem that there is ballast track poor stability, the easy landing of ballast, ballastless track structure durability is good simultaneously, can reduce the maintenance work volume of circuit, this long pillow bury formula ballastless track simple structure, convenient to use, excellent performance.
As the utility model discloses preferably, the seamless rack includes tooth portion and supporting part, the section structure of supporting part with the section structure of rail is unanimous, the seamless rack with the rail is withheld through the same fastener system on the sleeper.
By adopting the structure, the supporting part of the seamless rack and the steel rail adopt the same section design, the adopted fastener system can be universal, the special design of the existing rack fastener is avoided, the investment of track engineering is reduced, and the maintenance is facilitated.
As the utility model discloses it is further preferred, pre-buried there is the sleeve on the sleeper, fastener system pass through bolted connection in the sleeve.
As the utility model discloses preferably, the rail is in correspond on the sleeper sleeve dislocation set, seamless rack is in correspond on the sleeper sleeve dislocation set.
As the utility model discloses preferably, reinforced concrete road bed board bottom is equipped with the reinforced concrete base, the reinforced concrete road bed board with be equipped with limit structure between the reinforced concrete base.
By adopting the structure, the limiting structure can prevent the reinforced concrete track bed board and the reinforced concrete base from moving longitudinally and transversely, ensure that the ballastless track structure has good longitudinal and transverse stability and can adapt to large slope sections.
As a further preference of the utility model, the bottom of the reinforced concrete ballast bed board is provided with a limiting bulge, the top of the reinforced concrete base is provided with a corresponding groove, and the limiting bulge is fitted in the groove;
or the top of the reinforced concrete base is provided with a limiting bulge, the bottom of the reinforced concrete road bed board is provided with a corresponding groove, and the limiting bulge is matched in the groove.
As a further preferred aspect of the present invention, when the limiting protrusion is provided at the bottom of the reinforced concrete road bed plate, the reinforced concrete road bed plate and the limiting protrusion are integrally formed;
or when the limiting protrusion is arranged at the top of the reinforced concrete base, the reinforced concrete base and the limiting protrusion are integrally formed.
As the utility model discloses further preferably, spacing arch with be equipped with the elastic backing plate between the recess, the elastic backing plate prevents concrete structure damage fracture.
As the utility model discloses further preferably, the reinforced concrete base passes through embedded structure and off-line foundation connection, prevents that the ballastless track structure from taking place to indulge transversely the dislocation in the off-line basis relatively, can adapt to the off-line basis of difference.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a long sleeper of seamless rack cogged rail imbeds ballastless track, through the structural style of seamless rack, reduced the rack joint, reduced gear cogged rail meshing bad risk and right the impact of reinforced concrete railway bed board, can improve security and comfort level, through set up on the sleeper reserve the through-hole, and the longitudinal reinforcement of reinforced concrete railway bed board passes the mode of reserving the through-hole, strengthen the connection effect, improve ballastless track wholeness, eliminated the problem that there is ballast track poor stability, the easy landing of railway ballast, ballastless track structure durability is good simultaneously, can reduce the maintenance work volume of circuit, this long sleeper imbeds ballastless track simple structure, convenient to use, the performance is good;
2. the utility model discloses the preferred seamless rack tooth rail sleeper of a seamless rack buries formula ballastless track, the supporting part of seamless rack with the rail adopts the same section design, the fastener system that adopts can be general, has avoided the special design of current rack fastener, has reduced the track engineering investment, does benefit to the maintenance;
3. the utility model discloses preferred long sleeper of seamless rack toothed rail buries formula ballastless track, limit structure can prevent reinforced concrete bed board with reinforced concrete base's vertical lateral shifting guarantees that ballastless track structure indulges lateral stability good, can adapt to the large ramp district.
Drawings
Fig. 1 is a schematic structural diagram of a seamless rack and pinion track long sleeper embedded ballastless track;
fig. 2 is a side view schematically showing a reinforced concrete track bed slab.
The labels in the figure are: 10-steel rail, 11-seamless rack, 20-fastener system, 30-sleeper, 31-reserved through hole, 40-reinforced concrete track bed plate, 50-limiting bulge, 51-elastic base plate and 60-reinforced concrete base.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
As shown in fig. 1 and fig. 2, a seamless rack and pinion track long sleeper buried ballastless track, including rail 10 and seamless rack 11, fastener system 20, sleeper 30, reinforced concrete bed board 40, spacing arch 50 and reinforced concrete base 60 that set up from top to bottom.
As shown in fig. 2, a plurality of sleepers 30 are arranged at intervals along the length direction of the reinforced concrete track bed plate 40, as shown in fig. 1, a plurality of reserved through holes 31 are arranged at intervals along the length direction of the sleepers 30, a mold for molding the reserved through holes 31 is taken out after the sleepers 30 are initially set, the reserved through holes 31 penetrate through the sleepers 30 along the width direction of the sleepers 30, the positions of the reserved through holes 31 in the sleepers 30 are consistent, the sleepers 30 are embedded into the reinforced concrete track bed plate 40, and longitudinal steel bars of the reinforced concrete track bed plate 40 penetrate through the reserved through holes 31 in the corresponding positions.
As shown in fig. 1, the seamless rack 11 is disposed in the middle of the sleeper 30, the rails 10 are disposed on the left and right sides, the seamless rack 11 may be formed by continuous rolling or welding, the seamless rack 11 includes a tooth portion and a support portion, the cross-sectional structure of the support portion is identical to that of the rail 10, and the seamless rack 11 and the rail 10 are fastened to the sleeper 30 by the same fastening system 20; by adopting the structure, the supporting part of the seamless rack 11 and the steel rail 10 adopt the same section design, and the adopted fastener system 20 can be universal, thereby avoiding the special design of the existing rack fastener, reducing the investment of track engineering and being beneficial to maintenance.
As shown in fig. 1, a sleeve 21 is embedded in the tie 30, the fastener system 20 is connected to the sleeve 21 by bolts, the corresponding sleeve 21 of the rail 10 on the tie 30 is arranged in a staggered manner, and the corresponding sleeve 21 of the seamless rack 11 on the tie 30 is arranged in a staggered manner.
The reinforced concrete base 60 is arranged at the bottom of the reinforced concrete track bed plate 40, and the limiting bulge 50 is arranged between the reinforced concrete track bed plate 40 and the reinforced concrete base 60; by adopting the structure, the limiting structure can prevent the reinforced concrete track bed plate 40 and the reinforced concrete base 60 from moving longitudinally and transversely, ensure that the ballastless track structure has good longitudinal and transverse stability, and can adapt to large slope sections.
The sleeper 30 is prefabricated in a factory, and can be a prestressed sleeper structure, the reinforced concrete track bed plate 40, the limiting bulge 50 and the reinforced concrete base 60 are all cast in situ, the reinforced concrete track bed plate 40 can be of a cast-in-situ unit structure or continuous cast-in-situ, and the reinforced concrete base 60 can be of a cast-in-situ unit structure or continuous cast-in-situ.
Specifically, in this embodiment, as shown in fig. 1 and fig. 2, the bottom of the reinforced concrete track bed slab 40 is provided with the limiting protrusion 50, the top of the reinforced concrete base 60 is provided with a corresponding groove, the limiting protrusion 50 is fitted in the groove, an elastic pad 51 is arranged between the limiting protrusion 50 and the groove, in this embodiment, the elastic pad 51 is a rubber plate, and the elastic pad 51 prevents the concrete structure from being damaged and cracked; the reinforced concrete track bed plate 40 and the limiting protrusion 50 can adopt an integrally formed structure.
In other embodiments, the reinforced concrete base 60 is provided with the limiting protrusion 50 at the top, the reinforced concrete track bed 40 is provided with a corresponding groove at the bottom, and the limiting protrusion 50 is fitted in the groove; the reinforced concrete base 60 and the limiting protrusion 50 may be formed as an integral structure.
The reinforced concrete base 60 is connected with the offline foundation through an embedded structure, the embedded structure comprises embedded steel bars or steel bars, longitudinal and transverse dislocation of the ballastless track structure relative to the offline foundation is prevented, and the reinforced concrete base can adapt to different offline foundations.
This embodiment a seamless rack and pinion rail length pillow imbed ballastless track, through seamless rack 11's structural style has reduced the rack joint, has reduced the gear and pinion rail meshing bad risk and right reinforced concrete railway bed board's impact can improve security and comfort level, through set up on the sleeper 30 reserve through-hole 31, just reinforced concrete railway bed board 40's longitudinal reinforcement passes reserve through-hole 31's mode, strengthen the connection effect, improve ballastless track wholeness, eliminated the problem that there is ballast track poor stability, the easy landing of ballast, ballastless track structure durability is good simultaneously, can reduce the maintenance work volume of circuit, this length pillow imbeds ballastless track simple structure, convenient to use, the functional quality is good.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a long sleeper of seamless rack tooth rail formula ballastless track, its characterized in that, includes sleeper (30) and reinforced concrete railway bed board (40), follows reinforced concrete railway bed board (40) length direction interval sets up a plurality of sleeper (30), the length direction interval of sleeper (30) is equipped with a plurality of and reserves through-hole (31), reserve through-hole (31) are followed sleeper (30) width direction link up sleeper (30), all sleeper (30) set up the position of reserving through-hole (31) is unanimous, sleeper (30) embedding reinforced concrete railway bed board (40), the longitudinal reinforcement of reinforced concrete railway bed board (40) passes corresponding position reserve through-hole (31), sleeper (30) middle part sets up seamless rack (11), and the left and right sides sets up rail (10) respectively.
2. The ballastless track of claim 1, wherein the rack (11) comprises a toothing and a support, the cross-sectional configuration of which corresponds to the cross-sectional configuration of the rail (10), the rack (11) and the rail (10) being fastened to the sleeper (30) by the same fastening system (20).
3. The buried ballastless track of the long sleeper of the seamless rack and pinion rail according to claim 2, wherein a sleeve (21) is embedded in the sleeper (30), and the fastening system (20) is connected to the sleeve (21) by bolts.
4. The buried ballastless track of a long sleeper of seamless rack and pinion as claimed in claim 3, wherein the corresponding bushings (21) of the rail (10) on the sleeper (30) are arranged in a staggered manner, and the corresponding bushings (21) of the seamless rack (11) on the sleeper (30) are arranged in a staggered manner.
5. The embedded ballastless track with the seamless rack and pinion track and the sleeper as claimed in any one of claims 1 to 4, wherein a reinforced concrete base (60) is provided at the bottom of the reinforced concrete track bed plate (40), and a limiting structure is provided between the reinforced concrete track bed plate (40) and the reinforced concrete base (60).
6. The embedded ballastless track with the long sleeper of the seamless rack and pinion track as claimed in claim 5, wherein the reinforced concrete track bed plate (40) is provided with a limiting protrusion (50) at the bottom, the reinforced concrete base (60) is provided with a corresponding groove at the top, and the limiting protrusion (50) is fitted in the groove;
or the top of the reinforced concrete base (60) is provided with a limiting bulge (50), the bottom of the reinforced concrete track bed plate (40) is provided with a corresponding groove, and the limiting bulge (50) is matched in the groove.
7. The embedded ballastless track with long sleeper and rack according to claim 6, wherein when the limiting protrusion (50) is disposed at the bottom of the reinforced concrete track bed plate (40), the reinforced concrete track bed plate (40) and the limiting protrusion (50) are integrally formed;
or when the limiting bulge (50) is arranged at the top of the reinforced concrete base (60), the reinforced concrete base (60) and the limiting bulge (50) are integrally formed.
8. The ballastless track of claim 6, wherein an elastic pad (51) is disposed between the limit protrusion (50) and the groove.
9. The buried ballastless track of claim 5, wherein the reinforced concrete base (60) is connected to an offline foundation through a pre-buried structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223691.0U CN218666933U (en) | 2022-12-02 | 2022-12-02 | Seamless rack toothed rail long sleeper buried ballastless track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223691.0U CN218666933U (en) | 2022-12-02 | 2022-12-02 | Seamless rack toothed rail long sleeper buried ballastless track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218666933U true CN218666933U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223223691.0U Active CN218666933U (en) | 2022-12-02 | 2022-12-02 | Seamless rack toothed rail long sleeper buried ballastless track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218666933U (en) |
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2022
- 2022-12-02 CN CN202223223691.0U patent/CN218666933U/en active Active
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