CN211815202U - Long prestressed concrete sleeper for installing contact rail - Google Patents
Long prestressed concrete sleeper for installing contact rail Download PDFInfo
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- CN211815202U CN211815202U CN202020281626.5U CN202020281626U CN211815202U CN 211815202 U CN211815202 U CN 211815202U CN 202020281626 U CN202020281626 U CN 202020281626U CN 211815202 U CN211815202 U CN 211815202U
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- sleeper
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- prestressed concrete
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Abstract
The utility model discloses a long sleeper of prestressed concrete of installation conductor rail, including the sleeper body, the tip of sleeper body is equipped with smooth mounting plane, can dismantle on the mounting plane and be connected with the conductor rail support, and the conductor rail support stretches out this end of body of sleeper outwards, and conductor rail support extension is connected with the conductor rail. By applying the long sleeper, the defect that a ballast track needs to be provided with a track concrete foundation which is contacted with the ballast track independently is avoided by directly arranging the contact track on the sleeper body, the on-site civil engineering is reduced, the construction cost is reduced, and the construction is convenient; the contact rail bracket is detachably connected with the sleeper body, so that the maintenance and the replacement are convenient, the alignment of the contact rail is convenient to adjust, and the line adaptability of the contact rail is improved; the sleeper body provides a flat installation plane of the contact rail bracket, so that the installation precision of the contact rail is improved, and the current collection precision of a train is ensured; the long sleeper has the advantages of simple structure, convenient use and good effect, and can also be used for ballastless tracks.
Description
Technical Field
The utility model relates to a sleeper especially relates to a long sleeper of prestressed concrete of installation conductor rail.
Background
Contact rails are devices that transmit electrical energy to electric traction vehicles in subway and urban rail transit systems. The contact rail system mainly comprises a steel-aluminum composite rail (comprising an aluminum rail body and a stainless steel band), an expansion joint, an end elbow and other related components and an insulating support device, and provides electric energy for an electric locomotive group. The electric power transmission is realized by the contact of the collector shoe of the electric bus and the composite rail. Meanwhile, the contact rail system is a set of precise system, and the operation of the train and the safety of passengers are directly influenced by the flow quality. In recent years, contact rails are mainly applied to urban rail transit in China.
The existing contact rail is difficult to adapt to a ballast track in installation, the ballast track is of a granular structure, the contact rail structure cannot be supported by a gravel track bed, a concrete foundation for installing the contact rail needs to be specially arranged on a roadbed, the civil engineering structure has high requirements on a limit, and meanwhile, the contact rail belongs to a later installation project, so that the civil engineering construction difficulty and the construction cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the long prestressed concrete sleeper for installing the contact rail is provided aiming at the problems that a ballast track in the prior art is of a granular structure, cannot depend on a gravel track bed to support a contact rail structure, a track concrete foundation for installation contact needs to be specially arranged on a roadbed, a civil engineering structure has higher requirements on a limit, and simultaneously, the contact rail belongs to a later installation project and the civil engineering construction difficulty and the manufacturing cost are higher.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a long sleeper of prestressed concrete of installation conductor rail, includes the sleeper body, the tip of sleeper body is equipped with smooth mounting plane, the last contact rail support that can dismantle of mounting plane is connected with, the contact rail support stretches out outwards this end of body of sleeper, the contact rail support extension is connected with the conductor rail.
By adopting the prestressed concrete long sleeper for installing the contact rail, the defect that a ballast track needs to be independently installed and contacted with a rail concrete foundation is overcome by directly arranging the contact rail on the sleeper body, the sleeper body adopts industrial production, the on-site civil engineering is reduced, the construction cost is reduced, and the construction convenience is brought to electromechanical professional construction units; the contact rail bracket is detachably connected with the sleeper body, so that the maintenance and the replacement are convenient, the alignment of the contact rail is also convenient to adjust, the line adaptability of the contact rail is improved, particularly the adaptability of the contact rail in a curve section is improved, and the current collection precision is improved; the sleeper body provides a smooth installation plane of the contact rail bracket, so that the installation precision of the contact rail is improved, and the current collection precision of a train is ensured; the long prestressed concrete sleeper is simple in structure, convenient to use, good in effect and capable of being used for ballastless tracks.
Preferably, the sleeper body is a pre-tensioned prestressed concrete sleeper or a post-tensioned prestressed concrete sleeper.
Preferably, the mounting plane is provided with an embedded sleeve, the embedded sleeve is provided with an internal thread, the embedded sleeve is provided with a corresponding anchoring bolt, the contact rail support is provided with a first through hole, and the anchoring bolt penetrates through the first through hole and is in threaded connection with the embedded sleeve.
By adopting the structure, the embedded sleeve is embedded in the sleeper body during manufacturing, the installation of the contact rail can be realized at one time, the installation of the contact rail support is simpler and more convenient, the contact rail support is directly installed on the sleeper body, the construction is simple and convenient, and the working efficiency is improved.
Further preferably, the embedded sleeve is a nylon sleeve.
Preferably, the mounting plane is provided with bolt holes which vertically penetrate through the sleeper body, the bolt holes are provided with corresponding through-length bolts and nuts, the contact rail support is provided with a second through hole, and the through-length bolts penetrate through the second through hole and the bolt holes and are fastened on the sleeper body through the nuts.
By adopting the structure, the through bolt can be sleeved with an elastic component or a damping component and then fastened by the nut, so that certain flexible connection is provided for the contact rail, the contact rail is suitable for steel rail deformation in later operation, and the caused vibration is not easy to loose.
Further preferably, the bolt hole is a countersunk hole, and the nut is buried in the countersunk hole.
Preferably, the contact rail bracket is a steel structural member.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the prestressed concrete long sleeper for installing the contact rail, provided by the utility model, has the advantages that the defect that a ballast track needs to be independently installed and contacted with a rail concrete foundation is overcome by directly arranging the contact rail on the sleeper body, the sleeper body adopts industrial production, the on-site civil engineering is reduced, the construction cost is reduced, and the construction convenience is brought to electromechanical professional construction units; the contact rail bracket is detachably connected with the sleeper body, so that the maintenance and the replacement are convenient, the alignment of the contact rail is also convenient to adjust, the line adaptability of the contact rail is improved, particularly the adaptability of the contact rail in a curve section is improved, and the current collection precision is improved; the sleeper body provides a smooth installation plane of the contact rail bracket, so that the installation precision of the contact rail is improved, and the current collection precision of a train is ensured; the prestressed concrete long sleeper has the advantages of simple structure, convenient use and good effect, and can also be used for ballastless tracks;
2. the long prestressed concrete sleeper for installing the contact rail is characterized in that the embedded sleeve is embedded when the sleeper body is manufactured, the installation of the contact rail can be solved at one time, the installation of a contact rail support is simpler and more convenient, the contact rail support is directly installed on the sleeper body, the construction is simple and convenient, and the working efficiency is improved;
3. a long sleeper of prestressed concrete of installation conductor rail, lead to and to cup joint elastomeric element or damping part on the long bolt, the rethread the nut fastening, do the conductor rail provides certain flexonics, when being convenient for the later stage operation conductor rail adaptation rail warp, the vibration that causes is also not as for lead to long bolt is not hard up.
Drawings
Fig. 1 is a first schematic view of a prestressed concrete long sleeper for installing a contact rail according to the present invention;
fig. 2 is a schematic diagram two of the long prestressed concrete sleeper of the present invention for installing the conductor rail.
Icon: the sleeper comprises a sleeper body, 11 embedded sleeves, 12 anchoring bolts, 13 bolt holes, 14 through long bolts, 2 steel rails, 3 contact rail supports and 4 contact rails.
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.
Example 1
As shown in figure 1, a long sleeper of prestressed concrete of installation conductor rail, including sleeper body 1, sleeper body 1 is the prestressed concrete sleeper of opening earlier or the prestressed concrete sleeper of opening later.
The end part of the sleeper body 1 is provided with a flat mounting plane, the mounting plane is provided with an embedded sleeve 11, the embedded sleeve 11 is provided with an internal thread, the embedded sleeve 11 is provided with a corresponding anchor bolt 12, the contact rail support 3 is provided with a first through hole, the anchor bolt 12 penetrates through the first through hole and is connected with the embedded sleeve 11 in a threaded manner, the contact rail support 3 extends out of the end part of the sleeper body 1, and the extending part of the contact rail support 3 is connected with a contact rail 4; specifically, the embedded sleeve 11 is a nylon sleeve, and the contact rail support 3 is a steel structural member.
The prestressed concrete long sleeper for installing the contact rail provided by the utility model has the advantages that the contact rail 4 is directly arranged on the sleeper body 1, so that the defect that a ballast track needs to be independently installed and contacted with a rail concrete foundation is overcome, the sleeper body 1 is produced in a factory, the on-site civil engineering is reduced, the construction cost is reduced, and the construction convenience is brought to electromechanical professional construction units; the contact rail bracket 3 is detachably connected with the sleeper body 1, so that the maintenance and the replacement are convenient, the linear adjustment of the contact rail 4 is also convenient, the line adaptability of the contact rail 4 is improved, particularly the adaptability of the contact rail 4 in a curve section is improved, and the current collection precision is improved; the sleeper body 1 provides a flat installation plane of the contact rail bracket 3, so that the installation precision of the contact rail 4 is improved, and the current collection precision of a train is ensured; the embedded sleeve 11 is embedded when the sleeper body 1 is manufactured, so that the installation of the contact rail 4 can be solved at one time, the installation of the contact rail support 3 is simpler and more convenient, the contact rail support is directly installed on the sleeper body 1, the construction is simple and convenient, and the working efficiency is improved; the long prestressed concrete sleeper is simple in structure, convenient to use, good in effect and capable of being used for ballastless tracks.
Example 2
As shown in fig. 2, the prestressed concrete long sleeper for mounting a contact rail according to the present invention is different from embodiment 1 in that, in this embodiment, the mounting plane is provided with bolt holes 13 penetrating through the sleeper body 1 from top to bottom, the bolt holes 13 are provided with corresponding through-length bolts 14 and nuts, the contact rail support 3 is provided with a second through-hole, and the through-length bolts 14 pass through the second through-hole and the bolt holes 13 and are fastened to the sleeper body 1 by the nuts; specifically, the bolt hole 13 is a countersunk hole, and the nut is buried in the countersunk hole.
The prestressed concrete long sleeper for installing the contact rail provided by the utility model has the advantages that the contact rail 4 is directly arranged on the sleeper body 1, so that the defect that a ballast track needs to be independently installed and contacted with a rail concrete foundation is overcome, the sleeper body 1 is produced in a factory, the on-site civil engineering is reduced, the construction cost is reduced, and the construction convenience is brought to electromechanical professional construction units; the contact rail bracket 3 is detachably connected with the sleeper body 1, so that the maintenance and the replacement are convenient, the linear adjustment of the contact rail 4 is also convenient, the line adaptability of the contact rail 4 is improved, particularly the adaptability of the contact rail 4 in a curve section is improved, and the current collection precision is improved; the sleeper body 1 provides a flat installation plane of the contact rail bracket 3, so that the installation precision of the contact rail 4 is improved, and the current collection precision of a train is ensured; an elastic component or a damping component can be sleeved on the through bolt 14 and then fastened through the nut, so that certain flexible connection is provided for the contact rail 4, the contact rail 4 is convenient to adapt to the deformation of the steel rail 2 in the later operation, and the through bolt 14 cannot loosen due to vibration; the long prestressed concrete sleeper is simple in structure, convenient to use, good in effect and capable of being used for ballastless tracks.
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 (7)
1. The utility model provides a long sleeper of prestressed concrete of installation conductor rail, includes sleeper body (1), its characterized in that, the tip of sleeper body (1) is equipped with smooth mounting surface, the last contact rail support (3) that can dismantle of mounting surface is connected with, contact rail support (3) are stretched out outwards sleeper body (1) tip, contact rail support (3) protrusion is connected with conductor rail (4).
2. Long prestressed concrete sleeper according to claim 1, characterized in that said sleeper body (1) is a pre-tensioned prestressed concrete sleeper or a post-tensioned prestressed concrete sleeper.
3. The prestressed concrete long sleeper according to claim 1, wherein the installation plane is provided with an embedded sleeve (11), the embedded sleeve (11) is provided with a corresponding anchor bolt (12), the contact rail support (3) is provided with a first through hole, and the anchor bolt (12) penetrates through the first through hole and is in threaded connection with the embedded sleeve (11).
4. Long prestressed concrete sleeper according to claim 3, characterized in that said embedded sleeves (11) are nylon sleeves.
5. The long prestressed concrete sleeper as claimed in claim 1, wherein said mounting plane is provided with bolt holes (13) extending vertically through said sleeper body (1), said bolt holes (13) being provided with corresponding through bolts (14) and nuts, said contact rail support (3) being provided with through holes two, said through bolts (14) passing through said through holes two and said bolt holes (13) and being fastened to said sleeper body (1) by said nuts.
6. Prestressed concrete long sleeper according to claim 5, characterized in that said bolt holes (13) are counter bores in which said nuts are embedded.
7. Prestressed concrete long sleeper according to any one of claims 1-6, characterized in that the contact rail holder (3) is a steel structural part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281626.5U CN211815202U (en) | 2020-03-09 | 2020-03-09 | Long prestressed concrete sleeper for installing contact rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281626.5U CN211815202U (en) | 2020-03-09 | 2020-03-09 | Long prestressed concrete sleeper for installing contact rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211815202U true CN211815202U (en) | 2020-10-30 |
Family
ID=73009018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020281626.5U Active CN211815202U (en) | 2020-03-09 | 2020-03-09 | Long prestressed concrete sleeper for installing contact rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211815202U (en) |
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2020
- 2020-03-09 CN CN202020281626.5U patent/CN211815202U/en active Active
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