CN217320116U - Adjustable base for installation of contact rail of gravel road bed - Google Patents
Adjustable base for installation of contact rail of gravel road bed Download PDFInfo
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- CN217320116U CN217320116U CN202220990343.7U CN202220990343U CN217320116U CN 217320116 U CN217320116 U CN 217320116U CN 202220990343 U CN202220990343 U CN 202220990343U CN 217320116 U CN217320116 U CN 217320116U
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- contact rail
- top plate
- sleeper
- channel steel
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Abstract
The utility model provides an adjustable base for installing a contact rail of a ballast bed, which comprises an adjustable steel base and a contact rail system; the top plate of the adjustable steel base is tightly attached to the upper surface of the sleeper, the bottom plate is tightly attached to the lower surface of the sleeper, and the top plate and the bottom plate are fixedly connected through the lengthened bolt; the lower surface of the top plate is welded with the two side plates which are respectively positioned at two sides of the sleeper, and the welding angle of the top plate and the side plates is determined according to the shape of the sleeper; two long holes perpendicular to the direction of the pipeline are formed in the perforated channel steel, and one end of the perforated channel steel is cut flat and welded with the upper surface of the top plate; the contact rail system comprises an insulating support and a clamping jaw, wherein the perforated channel steel is fixedly connected with the bottom of the insulating support through a bolt penetrating through a long hole, the upper part of the insulating support is connected with the clamping jaw, and the clamping jaw faces downwards and clamps the contact rail. The utility model discloses safe and reliable, commonality are strong, adjust convenient, the installation is convenient, can realize the reliable installation of contact rail under the rubble ballast bed operating mode condition, satisfy the steady demand of getting stream of collecting shoe, electric passenger train safe operation.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit contact rail installation, in particular to adjustable base is used in installation of rubble track bed contact rail.
Background
The contact net feed form can be divided into contact rail and overhead contact net according to the difference of mounted position and contact wire, and the contact rail has long service life, operational reliability height, little and the strong characteristics of weatherability of maintenance work load. The mounting of the contact rail adopts the adaptive implementation modes of reserving anchor bolt holes, implanting anchor bolts after the anchor bolts, reserving sleeves and the like according to the working conditions of different lines, wherein under the working condition of a gravel bed, the mounting of the contact rail is limited due to the spatial position, the nylon sleeves are reserved on the sleeper at present, and the mounting of the contact rail is realized through the fastening of a threaded spike and the nylon sleeves.
At present newly-built circuit, the nylon sleeve pipe mode is reserved to the general sleeper that adopts in the industry, in order to reduce the damage that probably causes punching the sleeper, this mode needs the laying of power supply and the professional on-the-spot cooperation area reservation sleeve pipe sleeper of track, adjust the contact rail, need the synchronous adjustment sleeper, there is the on-the-spot adjustment engineering volume big, the adjustment difficulty, the many drawbacks of the condition of doing over again, especially switch district, because the sleeper specification is non-uniform, need strictly lay according to the serial number, and the position that the contact rail installation is fixed is different because of the circuit, and then satisfy various installation conditions only through the containment reservation, indirectly cause the waste of reservation sleeve pipe. When the existing line contact rail system is transformed, no good solution is provided if the contact rail is to be transformed and installed because the sleeper in the construction period has no reserved sleeve. At present, on a test line of a locomotive vehicle factory, the position and the gauge of a steel rail need to be adjusted according to different vehicle types, so that the scheme of reserving a sleeve on a sleeper conflicts with the position of the steel rail, and no good solution is available.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an adjustable base is used in installation of rubble track bed contact rail, safe and reliable, the commonality is strong, it is convenient to adjust, the installation is convenient, can realize the reliable installation of contact rail under the rubble track bed operating mode condition, satisfies collecting shoe steady stream taking, the demand of electric passenger train safe operation, has solved the problem of contact rail installation under rubble track bed operating modes such as newly-built line, existing circuit transformation, vehicle test line.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides an adjustable base for installing a contact rail of a ballast bed, which comprises an adjustable steel base and a contact rail system;
the adjustable steel base comprises an open-hole channel steel, a top plate, a bottom plate, side plates and lengthened bolts, the top plate is tightly attached to the upper surface of the sleeper, the bottom plate is tightly attached to the lower surface of the sleeper, and the top plate and the bottom plate are fixedly connected through the lengthened bolts; the lower surface of the top plate is welded with the two side plates, the two side plates are respectively positioned on two sides of the sleeper, and the welding angle of the top plate and the side plates is determined according to the shape of the sleeper; two long holes perpendicular to the direction of the pipeline are formed in the hole-opened channel steel, and one end of the hole-opened channel steel is cut flat and welded with the upper surface of the top plate;
the contact rail system comprises an insulating support and a clamping jaw, the perforated channel steel is fixedly connected with the bottom of the insulating support through a bolt penetrating through the long hole, the upper portion of the insulating support is connected with the clamping jaw, and the clamping jaw is downward and clamps the contact rail.
Preferably, the jaws and the contact rail are externally provided with a protective cover.
Preferably, the upper part of the insulating support is provided with a vertical long hole, and the clamping jaw is connected with the insulating support through a bolt penetrating through the vertical long hole.
Preferably, the top plate and the bottom plate are fixedly connected through four sets of the lengthened bolts.
Preferably, the lengthened bolt is an M16 bolt with the strength grade of 8.8.
Preferably, the perforated channel steel and the insulating bracket are fixedly connected through four sets of bolts.
The utility model discloses following beneficial effect has:
the utility model provides an adjustable base is used in installation of rubble track bed contact rail, safe and reliable, the commonality is strong, adjust convenient, the installation is convenient, can realize reliable installation of contact rail under the rubble track bed operating mode condition, satisfies the demand that collecting shoe steadily got stream, the safe operation of electric passenger train.
The utility model provides a solution for installing the contact rail of the ballast bed of the newly-built line, can also meet the installation of the existing engineering transformation contact rail under the working condition of the ballast bed, and has wide application range; the adjustment of the installation position in the vertical line direction can be realized, the installation requirements of the contact rail under various limit conditions can be met, and the advantages are obvious; the arrangement of the side plates improves the contact between the base and the side surfaces of the sleepers, so that the overall stability of the structure is improved, the installation of contact rails under various sleeper conditions can be adapted by adjusting the welding angles and positions of the side plates, and the universal applicability is realized; the utility model discloses simple structure, the construction is simple and convenient, save time, the degree of difficulty is low, efficient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic structural view of an adjustable base for installing a contact rail of a ballast bed according to an embodiment of the present invention;
FIG. 2 is a front view of an adjustable steel base in an embodiment of the present invention;
FIG. 3 is a left side view of the adjustable steel base in the embodiment of the present invention;
fig. 4 is a top view of the adjustable steel base in the embodiment of the present invention.
Description of reference numerals:
1. opening a channel steel; 11. a long hole; 2. a top plate; 3. a base plate; 4. a side plate; 5. lengthening the bolt; 6. an insulating support; a claw is arranged; 8. a contact rail; 9. a shield.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment provides an adjustable base for installing a contact rail of a ballast bed, which comprises an adjustable steel base and a contact rail system; the adjustable steel base comprises a perforated channel steel 1, a top plate 2, a bottom plate 3, side plates 4 and lengthened bolts 5, wherein the top plate 2 is tightly attached to the upper surface of a sleeper, the bottom plate 3 is tightly attached to the lower surface of the sleeper, and the top plate 2 and the bottom plate 3 are fixedly connected through the lengthened bolts 5; the lower surface of the top plate 2 is welded with the two side plates 4, the two side plates 4 are respectively positioned on two sides of the sleeper, the welding angle of the top plate 2 and the side plates 4 is determined according to the shape of the sleeper, the sleeper can be matched and adapted to various sleeper shapes, and the universality is high; two long holes 11 perpendicular to the direction of a pipeline are formed in the opening channel steel 1, one end of the opening channel steel 1 is cut flat and welded with the upper surface of the top plate 2, the contact area is large, and the welding reliability is improved; roof 2 is used for improving trompil channel-section steel 1 and sleeper upper surface area of contact, improves structural stability. The lengthened bolt 5 is used for connecting the top plate 2 and the bottom plate 3 to form a clamping effect on the sleeper. The side plates 4 serve to prevent the base from twisting and to stabilize the overall structure.
2 four corners of roof respectively open and to have a circular fixed orifices, and 3 four corners of bottom plate respectively open and to have a circular fixed orifices, circular fixed orifices and extension bolt 5 cooperation, and roof 2 and bottom plate 3 are connected fixedly through four sets of extension bolt 5, and it is convenient to install, can realize the reliable installation to the sleeper through four sets of bolts, and the construction is simple and convenient, save time, the degree of difficulty is low, efficient. The lengthened bolt 5 is an M16 bolt, the strength grade is 8.8, and the bolt is safe, reliable and strong in bearing capacity. The open-pore channel steel 1 is 22# b channel steel, the height is 220mm, the leg width is 79mm, the waist thickness is 9mm, the size of the long hole is R9mm and 720mm, and the position is 45mm from the central line. The top plate 2 and the bottom plate 3 are 320mm (width) 400mm (length) 15mm (thickness), and the circular fixed holes are 100mm horizontally and 170mm vertically from the center. The side plates 4 are machined from steel plates with the thickness of 15 mm.
The contact rail system comprises an insulating support 6 and a clamping jaw 7, the bottom parts of the perforated channel steel 1 and the insulating support 6 are fixedly connected through bolts penetrating through the long holes 11, the adjustment is convenient, the installation position of the insulating support 6 can be flexibly adjusted, and different limit requirements are met; the open-hole channel steel 1 and the insulating bracket 6 are fixedly connected through four sets of bolts. Insulating support 6 upper portion is equipped with vertical slot hole, and jack catch 7 and insulating support 6 are through the bolted connection who passes vertical slot hole, therefore the fine setting can be realized to the mounting height of jack catch 7 on insulating support 6, and jack catch 7 is downward and centre gripping contact rail 8.
The open-hole channel steel 1 is used for installing and fixing the insulating bracket 6 and realizing horizontal adjustment of the installation position. The insulating support 6 is used for supporting the contact rail 8 and realizing the insulating installation of the contact rail 8. Jack catch 7 is used for centre gripping conductor rail 8 and guarantees that conductor rail 8 can freely contract and expand (conductor rail 8 can have the condition of slight expend with heat and contract with cold, has small space between jack catch 7 and the conductor rail 8, the condition when can satisfy conductor rail 8 expend with heat). The contact rail 8 is used for directly contacting with a collector shoe of the electric bus and transmitting electric energy to the electric bus. And protective covers 9 are arranged outside the clamping jaws 7 and the contact rails 8 and used for preventing the electrified contact rails from being directly exposed.
In the embodiment, when the railway ballast is installed for the first time, the railway ballast at the end of the sleeper is cleaned in the first step, the adjustable steel base part is installed in the second step, the top plate 2 and the bottom plate 3 are connected through the lengthened bolts 5, the insulating support 6 is installed in the third step, the position is adjusted, the clamping jaws 7 and the contact rails 8 are installed in the fourth step, and the protective cover 9 is installed at last to complete installation.
According to the technical scheme, the adjustable base for installing the contact rail of the gravel bed provided by the embodiment has the advantages of safety, reliability, strong universality, convenience in adjustment and convenience in installation, the contact rail can be reliably installed under the condition of the working condition of the gravel bed, and the requirements of stable current taking of the collector shoe and safe operation of an electric bus are met. The embodiment not only provides a solution for installing the contact rail of the ballast bed of the newly-built line, but also can meet the installation requirement of the existing engineering transformation contact rail under the working condition of the ballast bed, and has wide application range; the adjustment of the installation position in the vertical line direction can be realized, the installation requirements of the contact rail under various limit conditions can be met, and the advantages are obvious; the arrangement of the side plates improves the contact between the base and the side surfaces of the sleepers, so that the overall stability of the structure is improved, the installation of contact rails under various sleeper conditions can be adapted by adjusting the welding angles and positions of the side plates, and the universal applicability is realized; the embodiment has the advantages of simple structure, simple and convenient construction, time saving, low difficulty and high efficiency.
The embodiments of the present invention have been described in detail through the embodiments, but the description is only exemplary of the embodiments of the present invention and should not be considered as limiting the scope of the embodiments of the present invention. The scope of protection of the embodiments of the present invention is defined by the claims. All utilize the utility model discloses technical scheme, or technical staff in the field is in the utility model discloses under embodiment technical scheme's the inspiration the utility model discloses in the essence and the protection scope of the embodiment, design similar technical scheme and reach above-mentioned technological effect, perhaps to the impartial change that the application scope was made and improve etc. all should still belong to within the protection scope is covered to the patent of the embodiment of the utility model.
Claims (6)
1. An adjustable base for installing a contact rail of a gravel bed is characterized by comprising an adjustable steel base and a contact rail system;
the adjustable steel base comprises an open-hole channel steel (1), a top plate (2), a bottom plate (3), side plates (4) and lengthened bolts (5), wherein the top plate (2) is tightly attached to the upper surface of a sleeper, the bottom plate (3) is tightly attached to the lower surface of the sleeper, and the top plate (2) and the bottom plate (3) are fixedly connected through the lengthened bolts (5); the lower surface of the top plate (2) is welded with the two side plates (4), the two side plates (4) are respectively positioned on two sides of a sleeper, and the welding angle of the top plate (2) and the side plates (4) is determined according to the shape of the sleeper; two long holes (11) perpendicular to the line direction are formed in the hole-opening channel steel (1), one end of the hole-opening channel steel (1) is cut flat and welded with the upper surface of the top plate (2);
the contact rail system comprises an insulating support (6) and a clamping jaw (7), wherein the perforated channel steel (1) is connected with the bottom of the insulating support (6) through a bolt penetrating through a long hole (11), the upper portion of the insulating support (6) is connected with the clamping jaw (7), and the clamping jaw (7) is downward and clamps the contact rail (8).
2. Adjustable base for the mounting of contact rails for ballast beds according to claim 1, characterized in that a protective cover (9) is mounted on the outside of the jaws (7) and contact rails (8).
3. The adjustable base for installing the contact rail of the gravel bed as claimed in claim 1, wherein the upper part of the insulating bracket (6) is provided with a vertical long hole, and the clamping jaw (7) is connected with the insulating bracket (6) through a bolt penetrating through the vertical long hole.
4. The adjustable base for installing the contact rail of the gravel bed as claimed in claim 1, wherein the top plate (2) and the bottom plate (3) are fixedly connected through four sets of the lengthened bolts (5).
5. The adjustable base for the installation of the contact rail of the ballast bed according to claim 4, wherein the extension bolt (5) is an M16 bolt with a strength grade of 8.8.
6. The adjustable base for installing the contact rail of the gravel bed as claimed in claim 1, wherein the open-hole channel steel (1) and the insulating bracket (6) are fixedly connected through four sets of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220990343.7U CN217320116U (en) | 2022-04-27 | 2022-04-27 | Adjustable base for installation of contact rail of gravel road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220990343.7U CN217320116U (en) | 2022-04-27 | 2022-04-27 | Adjustable base for installation of contact rail of gravel road bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217320116U true CN217320116U (en) | 2022-08-30 |
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ID=82948595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220990343.7U Active CN217320116U (en) | 2022-04-27 | 2022-04-27 | Adjustable base for installation of contact rail of gravel road bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217320116U (en) |
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2022
- 2022-04-27 CN CN202220990343.7U patent/CN217320116U/en active Active
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