CN111469716A - Additional lead anti-galloping device of electrified railway contact network - Google Patents
Additional lead anti-galloping device of electrified railway contact network Download PDFInfo
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- CN111469716A CN111469716A CN202010473583.5A CN202010473583A CN111469716A CN 111469716 A CN111469716 A CN 111469716A CN 202010473583 A CN202010473583 A CN 202010473583A CN 111469716 A CN111469716 A CN 111469716A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/02—Details
- B60M1/04—Mechanical protection of line; Protection against contact by living beings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/13—Trolley wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/18—Section insulators; Section switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
Abstract
The invention provides an anti-galloping device for an additional lead of an electrified railway contact network, which comprises: the cable-to-cable insulator comprises a line-to-line insulator, a first cable-stayed insulator, a second cable-stayed insulator, a first steel cable and a second steel cable; the top end of the inter-line insulator is connected to a positive feeder line of a contact network, and the bottom end of the inter-line insulator is connected to a protection line of the contact network; the top end of the first cable-stayed insulator is connected to the positive feeder, the bottom end of the first cable-stayed insulator is connected to one end of a first steel cable, and the other end of the first steel cable is connected to the ground or a side wall; the top end of the second cable-stayed insulator is connected to the protection wire, the bottom end of the second cable-stayed insulator is connected to one end of a second steel cable, and the other end of the second steel cable is connected to the ground or the side wall; the connecting line of the inter-line insulator, the first cable-stayed insulator, the first steel cable, the second cable-stayed insulator and the second steel cable is a triangular stable structure. The additional lead anti-galloping device of the electrified railway contact net can prevent the additional lead from galloping violently, and ensures the safe operation of a traction power supply system.
Description
Technical Field
The invention relates to the field of railways, in particular to an additional lead anti-galloping device of an electrified railway contact network.
Background
The high-speed railway traction power supply system mainly adopts an autotransformer power supply mode, and a positive feeder is generally hung and erected on the field side of a support through an insulator in the power supply mode. The positive feeder line and the protection line below the positive feeder line are both additional contact net conducting wires, the two lines are not provided with any compensation device, the positive feeder line and the protection line below the positive feeder line are easily affected by strong wind to cause galloping, and the galloping track is elliptical in a section perpendicular to the axis of the conducting wires. The galloping causes serious abrasion of the wires and hardware fittings, and is easy to generate accidents of discharging and wire dropping among the wires, thereby causing serious consequences on 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 additional wire of the contact network in operation is more easily subjected to wind-induced waving, the consequence is particularly serious, and the safety of the Lanxin high-speed railway is directly threatened.
Therefore, there is a need to develop an additional lead anti-galloping device for an electrified railway contact network, which can prevent the additional lead from galloping violently and ensure the safe operation of the electrified railway traction power supply system.
The information disclosed in this background section 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 forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide an additional lead anti-galloping device of an electrified railway contact network, which can prevent a positive feeder from galloping violently and ensure the safe operation of a traction power supply system.
In order to achieve the above object, the present invention provides an additional conductor galloping prevention device for an electrified railway contact network, comprising: the cable-to-cable insulator comprises a line-to-line insulator, a first cable-stayed insulator, a second cable-stayed insulator, a first steel cable and a second steel cable;
the top end of the inter-line insulator is connected to a positive feeder line of a contact network, and the bottom end of the inter-line insulator is connected to a protection line of the contact network;
the top end of the first cable-stayed insulator is connected to the positive feeder, the bottom end of the first cable-stayed insulator is connected to one end of a first steel cable, and the other end of the first steel cable is connected to the ground or a side wall;
the top end of the second cable-stayed insulator is connected to the protection wire, the bottom end of the second cable-stayed insulator is connected to one end of a second steel cable, and the other end of the second steel cable is connected to the ground or the side wall;
and the connecting line of the inter-wire insulator, the first cable-stayed insulator, the first steel cable, the second cable-stayed insulator and the second steel cable is triangular.
Preferably, the wire clamp further comprises a first wire clamp and a second wire clamp;
the first cable clamp is connected to the positive feeder, the first cable clamp is connected to the top end of the inter-cable insulator and the top end of the first cable-stayed insulator, the second cable clamp is connected to the protection cable, and the second cable clamp is connected to the bottom end of the inter-cable insulator and the top end of the second cable-stayed insulator.
Preferably, the first wire clamp and the second wire clamp each include: the connecting ring and the two connecting pieces are connected with the connecting ring;
the connecting ring is divided into an upper half ring and a lower half ring, and the upper half ring and the lower half ring are connected through bolts and used for being sleeved with a positive feeder or a protection wire;
one ends of the two connecting pieces are fixed on the lower half ring of the connecting ring, and the two connecting pieces are in a branch shape.
Preferably, the inter-line insulator includes: the first umbrella skirt, the first core rod, a first top end fitting and a first bottom end fitting;
the first umbrella skirt is made of a silicon rubber material, the first core rod is made of a glass fiber material, the first umbrella skirt is wrapped on the first core rod, a first top end fitting is arranged at the top end of the inter-line insulator, the first top end fitting is connected to the first wire clamp, a first bottom end fitting is arranged at the bottom end of the inter-line insulator, and the first bottom end fitting is connected to the second wire clamp.
Preferably, the first cable-stayed insulator includes: the second umbrella skirt, the second core rod, a second top end fitting and a second bottom end fitting;
the second umbrella skirt is made of silicon rubber materials, the second core rod is made of glass fiber materials, the second umbrella skirt is wrapped on the second core rod, a second top end fitting is arranged at the top end of the first cable-stayed insulator, a second top end fitting is connected to the first cable clamp, and a second bottom end fitting is arranged at the bottom end of the first cable-stayed insulator and connected to the first steel cable.
Preferably, the second cable-stayed insulator includes: the third umbrella skirt, the third core rod, a third top end fitting and a third bottom end fitting;
the third umbrella skirt is made of silicon rubber materials, the third core rod is made of glass fiber materials, the third umbrella skirt is wrapped on the third core rod, a third top end fitting is arranged at the top end of the second diagonal insulator, the third top end fitting is connected to the second wire clamp, and a third bottom end fitting is arranged at the bottom end of the second diagonal insulator and connected to the second steel cable.
Preferably, the base is fixed on the ground or the side wall, and the first steel cable and the second steel cable are connected to the base.
Preferably, the base includes: the mounting plate, the vertical plate, the fixing bolt and the shaft pin are arranged on the mounting plate;
the fixing bolts penetrate through the mounting plate to be fixed on the ground or the side wall, the number of the vertical plates is two, the vertical plates are arranged on the mounting plate in parallel, the number of the shaft pins is two, the fixing bolts penetrate through the two vertical plates, and the first steel cable and the second steel cable are connected to the two shaft pins respectively.
Has the advantages that:
1) this application plays the effect of stabilizing and interval positive feeder and protective wire through setting up of interline insulator, plays the restriction effect through first oblique insulator and first cable wire positive feeder, draws insulator and second cable wire to play the effect of restraint to the protective wire through the second to one side, utilizes triangular stable structure restraint additional wire, the range of waving of restriction additional wire prevents that additional wire from violently waving, ensures to pull power supply system safe operation.
2) This application plays the effect of keeping apart different electric potential conductors through setting up of inter-line insulator, first oblique pull insulator, the oblique pull insulator of second, ensures the security that the additional wire anti-galloping device of electrified railway contact net used.
3) This application is through the setting of first cable wire and second cable wire for the additional wire of electronic railway connecting net prevents waving the device and possesses certain flexibility, avoids the additional wire of electronic railway connecting net to prevent waving the device and directly bears the strong wind and blow the produced load of additional wire, has improved the life of the additional wire of electronic railway connecting net prevents waving device and positive feeder.
Drawings
Fig. 1 is a schematic structural diagram of an additional wire anti-galloping device of an electrified railway contact network according to an embodiment of the invention.
Fig. 2 is a schematic view of a use state of the additional wire anti-galloping device of the electrified railway contact network in one embodiment of the invention.
Fig. 3 is a side view of an additional wire anti-galloping device of an electrified railway contact network in one embodiment of the invention.
Fig. 4 is a schematic structural view of an inter-line insulator according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of an inter-wire insulator according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of a first cable-stayed insulator according to an embodiment of the present invention.
Fig. 7 is a front view of a first wire clamp of one embodiment of the invention.
Fig. 8 is a schematic view of a state of use of the first wire clamp of one embodiment of the present invention.
Fig. 9 is a perspective view of a first clip of one embodiment of the present invention.
Description of reference numerals:
1. line-to-line insulators; 2. a first cable-stayed insulator; 3. a second cable-stayed insulator; 4. a first wire rope; 5. a second wire rope; 6. a first wire clamp; 7. a second wire clamp; 8. a first shed; 9. a first core rod; 10. a first top end fitting; 11. a first bottom end fitting; 12. a second shed; 13. a second top end fitting; 14. a second bottom end fitting; 15. a third shed; 16. a third top end fitting; 17. a third bottom end fitting; 18. mounting a plate; 19. a vertical plate; 20. fixing the bolt; 21. a positive feed line; 22. a protection line; 23 side walls; 24. a connecting ring; 25. a connecting member; 26. a second core rod; 27. a base; 28. a pin.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings.
According to one aspect of the invention, the invention provides an additional lead anti-galloping device of an electrified railway contact network, which comprises: the cable-to-cable insulator comprises a line-to-line insulator, a first cable-stayed insulator, a second cable-stayed insulator, a first steel cable and a second steel cable;
the top end of the inter-line insulator is connected to a positive feeder line of a contact network, and the bottom end of the inter-line insulator is connected to a protection line of the contact network;
the top end of the first cable-stayed insulator is connected to the positive feeder, the bottom end of the first cable-stayed insulator is connected to one end of a first steel cable, and the other end of the first steel cable is connected to the ground or a side wall;
the top end of the second cable-stayed insulator is connected to the protection wire, the bottom end of the second cable-stayed insulator is connected to one end of a second steel cable, and the other end of the second steel cable is connected to the ground or the side wall;
and the connecting line of the inter-wire insulator, the first cable-stayed insulator, the first steel cable, the second cable-stayed insulator and the second steel cable is triangular.
The invention provides an additional lead anti-galloping device of an electrified railway contact net, which is characterized in that the top end of an inter-line insulator is connected to a positive feeder line, and the bottom end of the inter-line insulator is connected to a protection line in the using process, so that the effects of stabilizing and spacing the positive feeder line and the protection line are achieved. Even if the positive feeder line waves, the protective line can keep a safe distance along with the positive feeder line, and the tripping accident caused by air discharge due to insufficient distance between the positive feeder line and the protective line is avoided. The positive feeder is further restrained through the first diagonal insulator and the first steel cable, the protection line is restrained through the second diagonal insulator and the second steel cable, the positive feeder and the protection line are restrained simultaneously through the triangular stable structure, the galloping amplitude of the additional lead is limited, the additional lead is prevented from galloping violently, and the safe operation of a traction power supply system is ensured.
According to the additional lead anti-galloping device for the overhead line system of the electrified railway, provided by the invention, the additional lead anti-galloping device for the overhead line system of the electrified railway has certain flexibility through the arrangement of the first steel cable and the second steel cable, so that the additional lead anti-galloping device for the overhead line system of the electrified railway is prevented from directly bearing the load generated by blowing the additional lead by strong wind, and the service lives of the additional lead anti-galloping device and the additional lead of the overhead line system of the electrified railway are prolonged.
Further, the wire clamp also comprises a first wire clamp and a second wire clamp;
the first cable clamp is connected to the positive feeder, the first cable clamp is connected to the top end of the inter-cable insulator and the top end of the first cable-stayed insulator, the second cable clamp is connected to the protection cable, and the second cable clamp is connected to the bottom end of the inter-cable insulator and the top end of the second cable-stayed insulator.
In the technical scheme, the additional wire anti-galloping device of the contact network of the electrified railway further comprises a first wire clamp and a second wire clamp, and the insulators between the wires and the first cable-stayed insulators are connected to the first wire clamp through the arrangement of the first wire clamp and the second wire clamp, so that the insulators between the wires and the first cable-stayed insulators share one connection point. The line-to-line insulator and the second cable-stayed insulator are connected to the second cable clamp, so that the line-to-line insulator and the second cable-stayed insulator share one connection point, the whole electrified railway contact net additional wire anti-galloping device is triangular when in use, the stability can be improved, and the restraint effect on the additional wire is improved.
Further, the first wire clamp and the second wire clamp each include: the connecting ring and the two connecting pieces are connected with the connecting ring; the connecting ring is divided into an upper half ring and a lower half ring, and the upper half ring and the lower half ring are connected through bolts and used for being sleeved with a positive feeder or a protection wire; one ends of the two connecting pieces are fixed on the lower half ring of the connecting ring, and the two connecting pieces are in a branch shape.
In this technical scheme, further provide first fastener with the second fastener, through the setting of go-between, be convenient for make first line press from both sides the cover and establish on positive feeder, be convenient for make second line press from both sides the cover and establish on the protection wire, first fastener with the second line presss from both sides all includes two connecting pieces, the installation and the dismantlement of the insulator of being convenient for between the lines, first oblique-pulling insulator and second oblique-pulling insulator.
Further, the inter-line insulator includes: the first umbrella skirt, the first core rod, a first top end fitting and a first bottom end fitting;
the first umbrella skirt is made of a silicon rubber material, the first core rod is made of a glass fiber material, the first umbrella skirt is wrapped on the first core rod, a first top end fitting is arranged at the top end of the inter-line insulator, the first top end fitting is connected to the first wire clamp, a first bottom end fitting is arranged at the bottom end of the inter-line insulator, and the first bottom end fitting is connected to the second wire clamp.
In the technical scheme, the structure and the material selection of the inter-line insulator are further provided, and through the selection of the silicon rubber material and the glass fiber material, the quality of the inter-line insulator is lighter and the installation is convenient while the insulation effect is ensured, and the extra load brought to an additional lead by the self weight of the inter-line insulator is reduced.
Further, the first cable-stayed insulator comprises: the second umbrella skirt, the second core rod, a second top end fitting and a second bottom end fitting;
the second umbrella skirt is made of silicon rubber materials, the second core rod is made of glass fiber materials, the second umbrella skirt is wrapped on the second core rod, a second top end fitting is arranged at the top end of the first cable-stayed insulator, a second top end fitting is connected to the first cable clamp, and a second bottom end fitting is arranged at the bottom end of the first cable-stayed insulator and connected to the first steel cable.
Further, the second diagonal insulator includes: the third umbrella skirt, the third core rod, a third top end fitting and a third bottom end fitting;
the third umbrella skirt is made of silicon rubber materials, the third core rod is made of glass fiber materials, the third umbrella skirt is wrapped on the third core rod, a third top end fitting is arranged at the top end of the second diagonal insulator, the third top end fitting is connected to the second wire clamp, and a third bottom end fitting is arranged at the bottom end of the second diagonal insulator and connected to the second steel cable.
In this technical scheme, further provide first oblique pull insulator and the oblique structure and the selection material of pulling the insulator to one side of second, through the selection of silicon rubber material and glass fiber material, when having ensured insulating effect for first oblique pull insulator and the oblique pull insulator quality of second are lighter, and the installation of being convenient for reduces simultaneously because the dead weight of first oblique pull insulator and the oblique pull insulator of second brings extra load for additional wire.
Specifically, the structures of the inter-line insulator, the first cable-stayed insulator and the second cable-stayed insulator can be the same, so that the production and the assembly of the additional wire anti-galloping device of the overhead contact system of the electrified railway are facilitated.
Further, the base is fixed on the ground or the side wall, and the first steel cable and the second steel cable are connected to the base.
In the technical scheme, the first steel cable and the second steel cable are conveniently connected to the ground or the side wall through the base.
Further, the base includes: the mounting plate, the vertical plate, the fixing bolt and the shaft pin are arranged on the mounting plate;
the fixing bolts penetrate through the mounting plate to be fixed on the ground or the side wall, the number of the vertical plates is two, the vertical plates are arranged on the mounting plate in parallel, the number of the shaft pins is two, the fixing bolts penetrate through the two vertical plates, and the first steel cable and the second steel cable are connected to the two shaft pins respectively.
In this technical scheme, further provide the concrete structure of base, through the setting of riser and two pivot for first cable wire and second cable wire are connected in same base, make the whole triangle-shaped structure that is of the additional wire anti-galloping device of electronic railway contact net, improve stability.
Example 1
Fig. 1 is a schematic structural diagram of an additional wire anti-galloping device of an electrified railway contact network according to an embodiment of the invention. Fig. 2 is a schematic view of a use state of the additional wire anti-galloping device of the electrified railway contact network in one embodiment of the invention. Fig. 3 is a side view of an additional wire anti-galloping device of an electrified railway contact network in one embodiment of the invention. Fig. 4 is a schematic structural view of an inter-line insulator according to an embodiment of the present invention. Fig. 5 is a cross-sectional view of an inter-wire insulator according to an embodiment of the present invention. Fig. 6 is a cross-sectional view of a first cable-stayed insulator according to an embodiment of the present invention. Fig. 7 is a front view of a first wire clamp of one embodiment of the invention. Fig. 8 is a schematic view of a state of use of the first wire clamp of one embodiment of the present invention. Fig. 9 is a perspective view of a first clip of one embodiment of the present invention.
As shown in fig. 1 to 9, the additional conductor anti-galloping device of the contact network of the electrified railway comprises: the cable-to-cable insulator comprises a line-to-line insulator 1, a first cable-stayed insulator 2, a second cable-stayed insulator 3, a first steel cable 4 and a second steel cable 5;
the top end of the inter-line insulator 1 is connected to a positive feeder 21 of a contact network, and the bottom end of the inter-line insulator is connected to a protection line 22 of the contact network;
the top end of the first cable-stayed insulator 2 is connected to the positive feeder 21, the bottom end of the first cable-stayed insulator is connected to one end of the first steel cable 4, and the other end of the first steel cable 4 is connected to the ground or a side wall 23;
the top end of the second cable-stayed insulator 3 is connected to the protection wire 22, the bottom end of the second cable-stayed insulator is connected to one end of the second steel cable 5, and the other end of the second steel cable 5 is connected to the ground or a side wall 23;
the connecting lines of the inter-line insulator 1, the first diagonal insulator 2, the first steel cable 4, the second diagonal insulator 3 and the second steel cable 5 are triangular;
wherein, the wire clamp also comprises a first wire clamp 6 and a second wire clamp 7;
the first cable clamp 6 is sleeved on the positive feeder 21, the first cable clamp 6 is connected to the top end of the inter-line insulator 1 and the top end of the first cable-stayed insulator 2, the second cable clamp 7 is sleeved on the protection wire 22, and the second cable clamp 7 is connected to the bottom end of the inter-line insulator 1 and the top end of the second cable-stayed insulator 3;
wherein the first wire clamp 6 and the second wire clamp 7 each include: a connection ring 24 and two connection pieces 25 connected to the connection ring 24;
the connecting ring 24 is divided into an upper half ring and a lower half ring, and the upper half ring and the lower half ring are connected through bolts and used for being sleeved with the positive feeder 21 or the protection line 22;
wherein, one end of each of the two connecting members 25 is fixed on the lower half ring of the connecting ring 24, and the two connecting members 25 are branched;
wherein, the inter-wire insulator 1 includes: the first umbrella skirt 8, the first core rod 9, a first top end fitting 10 and a first bottom end fitting 11;
the first shed 8 is made of a silicon rubber material, the first core rod 9 is made of a glass fiber material, the first shed 8 is wrapped on the first core rod 9, a first top end fitting 10 is arranged at the top end of the inter-line insulator 1, the first top end fitting 10 is connected to the first wire clamp 6, a first bottom end fitting 11 is arranged at the bottom end of the inter-line insulator 1, and the first bottom end fitting 11 is connected to the second wire clamp 7;
wherein, first oblique pull insulator 2 includes: the second shed 12, the second core rod 26, the second top end fitting 13 and the second bottom end fitting 14;
the second shed 12 is made of a silicon rubber material, the second core rod 26 is made of a glass fiber material, the second shed 12 is wrapped on the second core rod 26, a second top end fitting 13 is arranged at the top end of the first cable-stayed insulator 2, the second top end fitting 13 is connected to the first wire clamp 6, and a second bottom end fitting 14 is arranged at the bottom end of the first cable-stayed insulator 2 and connected to the first steel cable 4;
wherein, the second draws insulator 3 to one side includes: a third shed 15, a third core rod, a third top end fitting 16 and a third bottom end fitting 17;
the third shed 15 is made of a silicon rubber material, the third core rod is made of a glass fiber material, the third shed 15 is wrapped on the third core rod, a third top end fitting 16 is arranged at the top end of the second cable-stayed insulator 3, the third top end fitting 16 is connected to the second wire clamp 7, and a third bottom end fitting 17 is arranged at the bottom end of the second cable-stayed insulator 3 and connected to the second steel cable 5;
the steel wire rope fixing device further comprises a base 27, wherein the base 27 is fixed on the ground or the side wall 23, and the first steel wire rope 4 and the second steel wire rope 5 are connected to the base 27;
wherein the base 27 includes: the mounting plate 18, the vertical plate 19, the fixing bolt 20 and the shaft pin 28;
the fixing bolts 20 penetrate through the mounting plate 18 to be fixed on the ground or the side wall 23, the number of the vertical plates 19 is two, the vertical plates 18 are arranged in parallel, the number of the shaft pins 28 is two, the two shaft pins 19 penetrate through the two vertical plates 19, and the first steel cable 4 and the second steel cable 5 are respectively connected to the two shaft pins 28.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 an electronic railway connecting net additional conductor anti-galloping device which characterized in that, electronic railway connecting net additional conductor anti-galloping device includes: the cable-to-cable insulator comprises a line-to-line insulator, a first cable-stayed insulator, a second cable-stayed insulator, a first steel cable and a second steel cable;
the top end of the inter-line insulator is connected to a positive feeder line of a contact network, and the bottom end of the inter-line insulator is connected to a protection line of the contact network;
the top end of the first cable-stayed insulator is connected to the positive feeder, the bottom end of the first cable-stayed insulator is connected to one end of a first steel cable, and the other end of the first steel cable is connected to the ground or a side wall;
the top end of the second cable-stayed insulator is connected to the protection wire, the bottom end of the second cable-stayed insulator is connected to one end of a second steel cable, and the other end of the second steel cable is connected to the ground or the side wall;
and the connecting line of the inter-wire insulator, the first cable-stayed insulator, the first steel cable, the second cable-stayed insulator and the second steel cable is triangular.
2. The additional lead anti-galloping device of the electrified railway contact network of claim 1, further comprising a first clamp and a second clamp;
the first cable clamp is connected to the positive feeder, the first cable clamp is connected to the top end of the inter-cable insulator and the top end of the first cable-stayed insulator, the second cable clamp is connected to the protection cable, and the second cable clamp is connected to the bottom end of the inter-cable insulator and the top end of the second cable-stayed insulator.
3. The additional wire anti-galloping device of the electrified railway contact network of claim 2, wherein the first wire clamp and the second wire clamp each comprise: the connecting ring and the two connecting pieces are connected with the connecting ring;
the connecting ring is divided into an upper half ring and a lower half ring, and the upper half ring and the lower half ring are connected through bolts and used for being sleeved with a positive feeder or a protection wire;
one ends of the two connecting pieces are fixed on the lower half ring of the connecting ring, and the two connecting pieces are in a branch shape.
4. The electrified railway contact network additional lead anti-galloping device as claimed in claim 1, wherein the inter-line insulator comprises: the first umbrella skirt, the first core rod, a first top end fitting and a first bottom end fitting;
the first umbrella skirt is made of a silicon rubber material, the first core rod is made of a glass fiber material, the first umbrella skirt is wrapped on the first core rod, a first top end fitting is arranged at the top end of the inter-line insulator, the first top end fitting is connected to the first wire clamp, a first bottom end fitting is arranged at the bottom end of the inter-line insulator, and the first bottom end fitting is connected to the second wire clamp.
5. The electrified railway contact network additional lead anti-galloping device of claim 1, wherein the first cable-stayed insulator comprises: the second umbrella skirt, the second core rod, a second top end fitting and a second bottom end fitting;
the second umbrella skirt is made of silicon rubber materials, the second core rod is made of glass fiber materials, the second umbrella skirt is wrapped on the second core rod, a second top end fitting is arranged at the top end of the first cable-stayed insulator, a second top end fitting is connected to the first cable clamp, and a second bottom end fitting is arranged at the bottom end of the first cable-stayed insulator and connected to the first steel cable.
6. The electrified railway contact network additional lead anti-galloping device of claim 1, wherein the second cable-stayed insulator comprises: the third umbrella skirt, the third core rod, a third top end fitting and a third bottom end fitting;
the third umbrella skirt is made of silicon rubber materials, the third core rod is made of glass fiber materials, the third umbrella skirt is wrapped on the third core rod, a third top end fitting is arranged at the top end of the second diagonal insulator, the third top end fitting is connected to the second wire clamp, and a third bottom end fitting is arranged at the bottom end of the second diagonal insulator and connected to the second steel cable.
7. The additional wire anti-galloping device of the overhead contact line system of the electrified railway according to claim 1, further comprising a base, wherein the base is fixed on the ground or on the side wall, and the first steel cable and the second steel cable are connected to the base.
8. The electrified railway catenary additional wire anti-galloping device of claim 1, wherein the base comprises: the mounting plate, the vertical plate, the fixing bolt and the shaft pin are arranged on the mounting plate;
the fixing bolts penetrate through the mounting plate to be fixed on the ground or the side wall, the number of the vertical plates is two, the vertical plates are arranged on the mounting plate in parallel, the number of the shaft pins is two, the fixing bolts penetrate through the two vertical plates, and the first steel cable and the second steel cable are connected to the two shaft pins respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473583.5A CN111469716A (en) | 2020-05-29 | 2020-05-29 | Additional lead anti-galloping device of electrified railway contact network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010473583.5A CN111469716A (en) | 2020-05-29 | 2020-05-29 | Additional lead anti-galloping device of electrified railway contact network |
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| CN111469716A true CN111469716A (en) | 2020-07-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978317A (en) * | 2021-11-09 | 2022-01-28 | 中铁二院工程集团有限责任公司 | Double-clamp type insulation piece between lower anchor wires for additional wires of contact network |
-
2020
- 2020-05-29 CN CN202010473583.5A patent/CN111469716A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978317A (en) * | 2021-11-09 | 2022-01-28 | 中铁二院工程集团有限责任公司 | Double-clamp type insulation piece between lower anchor wires for additional wires of contact network |
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