CN212219970U - Buffering formula electronic railway connecting net positive feeder prevents waving device - Google Patents
Buffering formula electronic railway connecting net positive feeder prevents waving device Download PDFInfo
- Publication number
- CN212219970U CN212219970U CN202020945247.1U CN202020945247U CN212219970U CN 212219970 U CN212219970 U CN 212219970U CN 202020945247 U CN202020945247 U CN 202020945247U CN 212219970 U CN212219970 U CN 212219970U
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- China
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- positive feeder
- composite insulator
- electrified railway
- galloping
- yoke plate
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Abstract
The utility model provides a buffering formula electronic railway connecting net positive feeder prevents waving device, this buffering formula electronic railway connecting net positive feeder prevents waving device includes: the composite insulator, the triangular yoke plate, the steel cable and the buffer piece; the top end of the composite insulator is connected to a positive feeder of an electrified railway contact network; the triangular connecting plate is provided with three connecting holes, and the bottom end of the composite insulator is connected to one of the three connecting holes; one end of each of the two steel cables is connected to the other two connecting holes of the three connecting holes, and the other end of each of the two steel cables is connected to the ground or a side wall along the electrified railway; wherein the buffer member is provided on the wire rope. The buffer type positive feeder anti-galloping device for the electrified railway contact network can prevent the positive feeder from galloping violently, and ensure the safe operation of the electrified railway traction power supply system.
Description
Technical Field
The utility model relates to a railway field, concretely relates to positive feeder of buffering formula electronic railway connecting net prevents waving device.
Background
The high-speed railway traction power supply system mainly adopts an autotransformer power supply mode, in the power supply mode, a positive feeder is generally hung and erected on the field side of a pillar through an insulator, no compensation device is arranged, the positive feeder is easily affected by strong wind to cause galloping, and the galloping track is elliptical in a section perpendicular to the axis of a lead. The galloping causes serious abrasion of clues and hardware fittings, positive feeder line discharge and line drop accidents are easy to happen, and serious consequences are caused to the safe operation of the electrified railway.
Particularly, the Lanxin high-speed railway passes through four windy areas in Xinjiang, the wind damage along the railway is serious, and the route of the Lanxin high-speed railway in the Bailey area is basically vertical to the wind direction, so that the positive feeder of the contact network in operation is more prone to wind-induced waving, the consequences are particularly serious, and the safety of the Lanxin high-speed railway is directly threatened.
Therefore, the positive feeder line galloping prevention device for the buffering type electrified railway contact net is needed to be designed, and the positive feeder line galloping prevention device can prevent the positive feeder line from galloping violently and ensure the safe operation of the electrified railway traction power supply system.
The information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positive feeder of buffering formula electronic railway connecting net prevents waving device, this positive feeder of buffering formula electronic railway connecting net prevents waving device can prevent that positive feeder from violently waving, ensures to pull power supply system safe operation.
In order to realize the above-mentioned purpose, according to the utility model provides a buffering formula electric railway connecting net positive feeder prevents waving device, buffering formula electric railway connecting net positive feeder prevents waving device includes: the composite insulator, the triangular yoke plate, the steel cable and the buffer piece;
the top end of the composite insulator is connected to a positive feeder of an electrified railway contact network;
the triangular connecting plate is provided with three connecting holes, and the bottom end of the composite insulator is connected to one of the three connecting holes;
one end of each of the two steel cables is connected to the other two connecting holes of the three connecting holes, and the other end of each of the two steel cables is connected to the ground or a side wall along the electrified railway;
wherein the buffer member is provided on the wire rope.
Preferably, the composite insulator includes: umbrella skirt and core rod;
the umbrella skirt is made of a silicon rubber material, the core rod is made of a glass fiber material, and the umbrella skirt is wrapped on the core rod.
Preferably, composite insulator still includes top gold utensil and bottom gold utensil, the top gold utensil set up in composite insulator's top, the top gold utensil pass through the fastener connect in positive feeder, make composite insulator can for positive feeder rotates, the bottom gold utensil set up in composite insulator's bottom, composite insulator pass through above-mentioned bottom gold utensil connect in the triangle yoke plate.
Preferably, the triangular connecting plate is an isosceles triangle, and each vertex of the isosceles triangle is provided with the connecting hole.
Preferably, the triangular yoke plate further comprises a connecting member disposed at the connecting hole, and the cable wire is connected to the triangular yoke plate through the connecting member, so that the composite insulator and the cable wire can rotate relative to the triangular yoke plate.
Preferably, the buffer member includes: the dustproof shell and the extension spring arranged in the dustproof shell, wherein two ends of the extension spring are connected to the steel cable.
Preferably, both ends of the extension spring are provided with closed pull rings, and the steel cable passes through the pull rings and is fixed by an iron wire.
Preferably, the device further comprises a base fixed on the ground or the side wall, and the steel cable is connected to the base.
Has the advantages that:
1) according to the application, through the arrangement of the composite insulator, the steel cable and the triangular yoke plate, the positive feeder in the traction power supply system of the electrified railway can be restrained and fixed, the swing amplitude of the positive feeder is limited, the positive feeder is prevented from swinging violently, and the safe operation of the traction power supply system is ensured.
2) This application plays the effect of keeping apart the potential difference between positive feeder and the grounding body through composite insulator's setting, ensures the normal power supply of electrified railway contact net positive feeder.
3) This application has played the effect of transition composite insulator and cable wire through setting up of triangle yoke plate for the positive feeder anti-galloping device of buffering formula electronic railway connecting net possesses certain flexibility. Two steel cables are led out through the triangular connecting plate, and bear stress generated by the galloping of the positive feeder line through the two steel cables, so that the stability and the anti-galloping effect of the anti-galloping device for the positive feeder line are better. Through the setting of bolster, when positive feeder waved, stress can be exerted on extension spring at first through the cable wire, and extension spring plays the effect of buffering, avoids the cable wire fracture, has prolonged the life of positive feeder anti-galloping device. The buffer piece improves friction and abrasion among hardware fittings and buffers impact force on the wall.
4) Through the selection of silicon rubber material and glass fiber material, when having ensured insulating effect for the composite insulator quality is lighter, and the installation of the positive feeder anti-galloping device of buffering formula electronic railway contact net of being convenient for reduces simultaneously because composite insulator's dead weight brings extra load for the positive feeder.
Drawings
Fig. 1 is the utility model discloses a buffer type electric railway connecting net positive feeder prevents waving device's structural schematic diagram.
Fig. 2 is a schematic view of the use state of the positive feeder anti-galloping device of the buffering type overhead line system of the electric railway of the embodiment of the present invention.
Fig. 3 is a side view of the utility model discloses buffering formula electronic railway connecting net positive feeder anti-galloping device of embodiment.
Fig. 4 is a schematic structural diagram of a composite insulator according to an embodiment of the present invention.
Fig. 5 is a schematic view of a cable and a buffer according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of a composite insulator according to an embodiment of the present invention.
Description of reference numerals:
1. a composite insulator; 2. a steel cord; 3. a triangular yoke plate; 4. an umbrella skirt; 5. a core rod; 6. a connecting member; 7. a dust-proof housing; 8. an extension spring; 9. a base; 10. a top end fitting; 11. a side wall; 12. a positive feed line; 13. a bottom end fitting; 14. wire clamps; 15. a buffer.
Detailed Description
The technical scheme of the utility model is described in detail with the accompanying drawings.
According to the utility model discloses an aspect provides a buffering formula electronic railway connecting net positive feed line prevents waving device, and this buffering formula electronic railway connecting net positive feed line prevents waving device includes: the composite insulator, the triangular yoke plate, the steel cable and the buffer piece; the top end of the composite insulator is connected to a positive feeder of an electrified railway contact network; the triangular connecting plate is provided with three connecting holes, and the bottom end of the composite insulator is connected to one of the three connecting holes; one end of each of the two steel cables is connected to the other two connecting holes of the three connecting holes, and the other end of each of the two steel cables is connected to the ground or a side wall along the electrified railway; wherein the buffer member is provided on the wire rope.
The utility model provides a buffering formula electronic railway connecting net positive feeder prevents waving device, in the use, connects composite insulator's top in the positive feeder of electronic railway connecting net, fixes the cable wire on the side wall on ground or electronic railway along the line, can play restraint and fixed effect to the positive feeder of electronic railway connecting net, and the amplitude is moved in the galloping of restriction positive feeder, prevents that the positive feeder from violently waving, ensures the safe operation of traction power supply system. Through the arrangement of the composite insulator, the potential difference between the high voltage of the positive feeder line and the grounding side wall is isolated, and the normal power supply of the positive feeder line is ensured.
The triangular yoke plate is arranged to play a role of a transition composite insulator and a steel cable, so that the buffering type electrified railway contact net positive feeder line anti-galloping device has certain flexibility. Two steel cables are led out through the triangular connecting plate, and bear stress generated by the galloping of the positive feeder line through the two steel cables, so that the stability and the anti-galloping effect of the anti-galloping device for the positive feeder line are better. Through the setting of bolster, when positive feeder waved, stress can be exerted on extension spring at first through the cable wire, and extension spring plays the effect of buffering, avoids the cable wire fracture, has prolonged the life of positive feeder anti-galloping device.
Specifically, the buffer piece improves friction and abrasion among hardware fittings and buffers impact force on the wall.
Further, the composite insulator includes: umbrella skirt and core rod;
the umbrella skirt is made of a silicon rubber material, the core rod is made of a glass fiber material, and the umbrella skirt is wrapped on the core rod.
In this technical scheme, further provided composite insulator's structure and selection material, through the selection of silicon rubber material and glass fiber material, when having ensured insulating effect for composite insulator quality is lighter, and the installation of the positive feeder anti-galloping device of buffer formula electronic railway contact net of being convenient for reduces simultaneously because composite insulator's dead weight brings extra load for the positive feeder.
Further, composite insulator still includes top gold utensil and bottom gold utensil, the top gold utensil set up in composite insulator's top, the top gold utensil pass through the fastener connect in positive feeder makes composite insulator can for positive feeder rotates, the bottom gold utensil set up in composite insulator's bottom, composite insulator through above-mentioned bottom gold utensil connect in the triangle yoke plate.
In the technical scheme, the positive feeder and the composite insulator can have a certain rotation amount by the arrangement of the insulator top end hardware fitting and the wire clamp.
Furthermore, the triangular connecting plate is an isosceles triangle, and each vertex of the isosceles triangle is provided with the connecting hole.
In this technical scheme, the shape of triangle yoke plate is further provided, through isosceles triangle's selection for triangle yoke plate atress is more even, can play better anti-galloping effect.
Further, the bottom end gold utensil of composite insulator connect in the triangle yoke plate, the cable wire passes through the connecting piece connect in the triangle yoke plate makes composite insulator with the cable wire can for the triangle yoke plate rotates.
Further, the buffer includes: the dustproof shell and the extension spring arranged in the dustproof shell, wherein two ends of the extension spring are connected to the steel cable.
In the technical scheme, a structure of the buffer part is further provided, through the arrangement of the extension spring, when the positive feeder line waves, stress is firstly exerted on the extension spring through the steel cable, and the extension spring plays a role in buffering to avoid the steel cable from being broken; through the setting of dust cover, avoided the spring to receive external atmospheric environment's influence, improved extension spring's life, guaranteed extension spring's buffering effect.
Furthermore, both ends of the extension spring are provided with closed pull rings, and the steel cable penetrates through the pull rings and is fixed through an iron wire.
In the technical scheme, the steel cable is convenient to mount and fix through the arrangement of the pull ring.
Further, the steel cable fixing device further comprises a base, wherein the base is fixed on the ground or the side wall, and the steel cable is connected to the base.
In the technical scheme, the steel cable is conveniently connected to the ground or the side wall through the base.
Example 1
Fig. 1 is the utility model discloses a buffer type electric railway connecting net positive feeder prevents waving device's structural schematic diagram. Fig. 2 is a schematic view of the use state of the positive feeder anti-galloping device of the buffering type overhead line system of the electric railway of the embodiment of the present invention. Fig. 3 is a side view of the utility model discloses buffering formula electronic railway connecting net positive feeder anti-galloping device of embodiment. Fig. 4 is a schematic structural diagram of a composite insulator according to an embodiment of the present invention. Fig. 5 is a schematic view of a cable and a buffer according to an embodiment of the present invention. Fig. 6 is a cross-sectional view of a composite insulator according to an embodiment of the present invention.
As shown in fig. 1 to fig. 6, the positive feeder anti-galloping device of the buffering type electrified railway contact network comprises: the composite insulator comprises a composite insulator 1, a steel cable 2, a triangular yoke plate 3 and a buffer piece 15;
the top end of the composite insulator 1 is connected to a positive feeder line 12 of an electrified railway contact network;
the triangular connecting plate 3 is provided with three connecting holes, and the bottom end of the composite insulator 1 is connected to one of the three connecting holes;
one ends of the two steel cables 2 are respectively connected with the other two connecting holes in the three connecting holes, and the other ends of the two steel cables 2 are connected with the ground or a side wall 11 along the electrified railway;
wherein, the buffer 15 is arranged on the steel cable 2;
wherein, composite insulator 1 includes: a shed 4 and a core rod 5;
the umbrella skirt 4 is made of silicon rubber materials, the core rod 5 is made of glass fiber materials, and the umbrella skirt 4 is wrapped on the core rod 5;
the composite insulator 1 further comprises a top end fitting 10 and a bottom end fitting 13, the top end fitting 10 is arranged at the top end of the composite insulator 1, the top end fitting 10 is connected to the positive feeder line 12 through a wire clamp 14, so that the composite insulator 1 can rotate relative to the positive feeder line 12, the bottom end fitting 13 is arranged at the bottom end of the composite insulator 1, and the composite insulator 1 is connected to the triangular yoke plate 3 through the bottom end fitting 13;
the triangular connecting plate 3 is an isosceles triangle, and each vertex of the isosceles triangle is provided with a connecting hole;
the triangular yoke plate 3 further comprises a connecting piece 6 arranged at the connecting hole, and the steel cable 2 is connected to the triangular yoke plate 3 through the connecting piece 6, so that the composite insulator 1 and the steel cable 2 can rotate relative to the triangular yoke plate 3;
wherein, the buffer member 15 includes: the dustproof shell 7 and an extension spring 8 arranged in the dustproof shell 7, wherein two ends of the extension spring 8 are connected to the steel cable 2;
wherein, both ends of the extension spring 8 are provided with closed pull rings, and the steel cable 2 passes through the pull rings and is fixed by iron wires;
the buffer type electrified railway contact net positive feeder anti-galloping device further comprises a base 9, the base 9 is fixed on the ground or a side wall 11, and the steel cable 2 is connected to the base 9.
The main structure of the embodiment adopts a composite insulator 1, a top end hardware fitting 10 of the composite insulator is connected with a positive feeder line 12 through a wire clamp 12, a bottom end hardware fitting 13 of the composite insulator is connected with a triangular yoke plate 3, one end of a steel cable 2 is connected with the triangular yoke plate 3, and the other end of the steel cable is fixed on a side wall 11 along the ground or an electrified railway through a base 9 and serves as a constraint end when the positive feeder line 12 swings. Through on-site actual observation, the positive feeder 12 galloping occurring in the new high-speed rail high-wind section of the Lanxin is elliptical first-order galloping, so that the installation of the buffer type electrified railway contact net positive feeder anti-galloping device at the galloping antinode of the positive feeder 12 (the midpoint of the span of the positive feeder 12) is the best position for effectively inhibiting galloping.
The setting of this embodiment does not change the side wall structural design, does not influence its anti-wind stability, and the positive feeder anti-galloping device of buffering formula electric railway connecting net has the small investment, easily increases characteristics such as transformation newly, can install single or a plurality of anti-galloping device in every connecting net span respectively and restrain positive feeder 12 and wave, has better rationality and implementation nature.
The positive feeder anti-galloping device of the buffer type electrified railway contact net effectively reduces the galloping amplitude of the positive feeder 12. The impact load generated by the waving of the positive feeder line 12 can be well buffered by the buffer piece 15, the impact force on a wall body is buffered, and the friction and abrasion among hardware fittings are improved. The positive feeder anti-galloping device plays a role in restraining and fixing the positive feeder 12, reduces the galloping amplitude of the positive feeder 12, and avoids the discharge phenomenon caused by insufficient air space between the positive feeder 12 and a protection line below the positive feeder when galloping, thereby avoiding the occurrence of trip accidents and ensuring the safe operation of a traction power supply system. Two steel cables 2 are led out through the triangular connecting plate 3, and the two steel cables 2 jointly bear the stress generated by the galloping of the positive feeder and can disperse the load acting on the surface of the wall body.
The dustproof shell 7 is installed on the surface of the buffer piece, so that the extension spring 8 is prevented from being influenced by the external atmospheric environment, the aging speed of the extension spring 8 due to the severe environment is reduced, and the service life of the extension spring 8 is prolonged. The insulator umbrella skirt 4 is made of silicon rubber, so that pollution flashover of the composite insulator 1 can be prevented, and the composite insulator umbrella skirt is small in size, light in weight and convenient to install and maintain.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a buffering formula electric railway connecting net positive feed line anti-galloping device which characterized in that, buffering formula electric railway connecting net positive feed line anti-galloping device includes: the composite insulator, the triangular yoke plate, the steel cable and the buffer piece;
the top end of the composite insulator is connected to a positive feeder of an electrified railway contact network;
the triangular connecting plate is provided with three connecting holes, and the bottom end of the composite insulator is connected to one of the three connecting holes;
one end of each of the two steel cables is connected to the other two connecting holes of the three connecting holes, and the other end of each of the two steel cables is connected to the ground or a side wall along the electrified railway;
wherein the buffer member is provided on the wire rope.
2. The positive feeder anti-galloping device of the buffered electrified railway catenary of claim 1, wherein the composite insulator comprises: umbrella skirt and core rod;
the umbrella skirt is made of a silicon rubber material, the core rod is made of a glass fiber material, and the umbrella skirt is wrapped on the core rod.
3. The buffer type electrified railway contact net positive feeder line anti-galloping device as claimed in claim 2, wherein the composite insulator further comprises a top end fitting and a bottom end fitting, the top end fitting is arranged at the top end of the composite insulator, the top end fitting is connected to the positive feeder line through a wire clamp, so that the composite insulator can rotate relative to the positive feeder line, the bottom end fitting is arranged at the bottom end of the composite insulator, and the composite insulator is connected to the triangular yoke plate through the bottom end fitting.
4. The positive feeder anti-galloping device of the buffer type electrified railway contact net according to claim 1, wherein the triangular yoke plate is an isosceles triangle, and each vertex of the isosceles triangle is provided with the connecting hole.
5. The buffered electrified railway catenary positive feeder anti-galloping device of claim 4, wherein the triangular yoke plate further comprises a connecting member disposed at the connecting hole, and the cable is connected to the triangular yoke plate through the connecting member, such that the composite insulator and the cable can rotate relative to the triangular yoke plate.
6. The buffered electrified railway catenary positive feed line anti-galloping device of claim 1, wherein the buffer comprises: the dustproof shell and the extension spring arranged in the dustproof shell, wherein two ends of the extension spring are connected to the steel cable.
7. The buffered electrified railway catenary positive feeder line anti-galloping device of claim 6, wherein two ends of the tension spring are provided with closed pull rings, and the steel cable passes through the pull rings and is fixed by an iron wire.
8. The positive feeder line anti-galloping device of the buffered electrified railway catenary of claim 1, further comprising a base, wherein the base is fixed on the ground or on the side wall, and the cable is connected to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945247.1U CN212219970U (en) | 2020-05-29 | 2020-05-29 | Buffering formula electronic railway connecting net positive feeder prevents waving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020945247.1U CN212219970U (en) | 2020-05-29 | 2020-05-29 | Buffering formula electronic railway connecting net positive feeder prevents waving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212219970U true CN212219970U (en) | 2020-12-25 |
Family
ID=73929881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020945247.1U Expired - Fee Related CN212219970U (en) | 2020-05-29 | 2020-05-29 | Buffering formula electronic railway connecting net positive feeder prevents waving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212219970U (en) |
-
2020
- 2020-05-29 CN CN202020945247.1U patent/CN212219970U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |