CN210310025U

CN210310025U - Carrier cable for railway electrification

Info

Publication number: CN210310025U
Application number: CN201920803241.8U
Authority: CN
Inventors: 王玉; 郭朝日; 李�杰; 仝彩军; 姚振文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-14
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a load cable for railway electrification, press from both sides including load cable, load seat and knot line, the load cable includes load stranded wire and copper line, the load stranded wire includes aluminium wire and copper wire, the aluminium wire with the copper wire transposition, load stranded wire and copper line transposition. This catenary for railway electrification, during the use, the aluminum wire is stranded with the copper wire, mainly bear tension with the copper wire, the aluminum wire can regard as supplementary current-carrying, promote the mechanical strength and the corrosion resistance of catenary, certain electric conductivity has been had simultaneously, setting through the copper wire, can further promote the electric conductivity of catenary, be traction current's main passageway, with the parallelly connected power supply of contact wire, can reduce pressure loss and energy consumption, and corrosion resistance is high, setting through top board and holding down plate, the effect of fixed catenary has been played, through the gim peg, the cooperation setting of card hole and fixture block, can fasten the catenary in the line ball is downthehole, the fastening degree of catenary in the line ball has greatly been promoted.

Description

Carrier cable for railway electrification

Technical Field

The utility model relates to a railway cable technical field specifically is a catenary for railway electrification.

Background

The carrier cable can be divided into a copper carrier cable, a steel carrier cable and an aluminum-clad steel carrier cable according to the material, the steel carrier cable needs to take anti-corrosion measures, and the current-carrying carrier cable is an important conductor which plays double roles of power transmission and suspension of a locomotive slideway line in an electrified railway contact network line.

The conventional copper and copper alloy carrier cable is generally a pure copper carrier cable or a copper-magnesium alloy carrier cable, the product material is single, the pure copper carrier cable has high electric conductivity but low tensile strength, the bearable tension is small, the copper-magnesium alloy carrier cable has high tensile strength but low electric conductivity, and the loss of electric power energy is more.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a catenary for railway electrification has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a catenary for railway electrification, includes catenary, carrier seat and knot line clamp, the catenary includes carrier strand wires and copper line, carrier strand wires includes aluminium line and copper wire, the aluminium line with the copper wire transposition, carrier strand wires and copper line transposition.

Optionally, the bearing seat comprises a base and a lower pressing plate, the top of the base is movably connected with the lower pressing plate, a screw rod is inserted in the center of the lower pressing plate, clamping holes are formed in the two sides of the upper surface of the lower pressing plate, the inside of each clamping hole is connected with the upper pressing plate in a clamping mode through a clamping block, the center of each clamping block is movably connected with the corresponding clamping hole through a clamping bolt, one end, far away from the lower pressing plate, of the screw rod is movably connected with a first stopping nut, and a gasket is arranged at the joint of the lower pressing plate and the upper pressing plate.

Optionally, the base includes an upper bearing block and a lower bearing block, the upper surface of the upper bearing block is fixedly connected with a connecting piece, the bottom of the upper bearing block is movably connected with the lower bearing block through a fastening bolt, and the outer surface of the first fastening bolt is in threaded connection with a second retaining nut.

Optionally, the knot thread clamp includes central clamp splice, goes up clamp splice and clamp splice down, the top of central clamp splice is provided with the clamp splice, the bottom of central clamp splice is provided with down the clamp splice, go up the bottom of clamp splice through second fastening bolt and clamp splice swing joint down, the surface threaded connection that second fastening bolt kept away from the clamp splice has the third stopping nut.

Optionally, the upper surface of the lower pressure plate and the lower surface of the upper pressure plate are both provided with a thread pressing hole.

Optionally, the lower surface of the upper bearing block and the upper surface of the lower bearing block are both provided with mounting holes, and the lower surface of the lower bearing block is fixedly connected with a hanging ring.

(III) advantageous effects

The utility model provides a catenary for railway electrification possesses following beneficial effect:

1. the catenary for railway electrification is stranded with a steel wire through an aluminum wire, the steel wire is mainly used for bearing tension, the aluminum wire can be used as an auxiliary current carrier, the mechanical strength and the corrosion resistance of the catenary are improved, meanwhile, the catenary has certain conductivity, the conductivity of the catenary can be further improved through the arrangement of the copper wire, the catenary is a main channel for traction current, the catenary is connected with a contact wire in parallel for power supply, the pressure loss and the energy consumption can be reduced, and the corrosion resistance is high.

2. This catenary for railway electrification through the setting of top board and holding down plate, has played the effect of fixed catenary, sets up through the cooperation of draw-in bolt, card hole and fixture block, can fasten the catenary in the line ball is downthehole, has greatly promoted the fastening degree of catenary in the line ball, through the setting of tie fastener, can act on the effect of catenary and central anchor knot rope.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the cross-section structure of the carrier cable of the present invention;

fig. 3 is a schematic structural view of the force bearing seat of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is the schematic view of the knot clamp structure of the present invention.

In the figure: 1. a catenary cable; 101. bearing stranded wires; 1001. an aluminum wire; 1002. a steel wire; 102. a copper wire; 2. a force bearing seat; 201. a base; 2011. an upper bearing block; 2012. a lower bearing block; 2013. a connecting member; 2014. a first fastening bolt; 2015. a second retaining nut; 202. a lower pressing plate; 203. a screw; 204. a clamping hole; 205. a clamping block; 206. an upper pressure plate; 207. a first retaining nut; 208. fastening a bolt; 3. a wire tying clamp; 301. a central clamping block; 302. an upper clamping block; 303. a lower clamping block; 304. a third retaining nut; 305. a second fastening bolt; 4. and (5) hanging a ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a catenary for railway electrification comprises a catenary 1, a catenary seat 2 and a wire connecting clamp 3, wherein the catenary 1 comprises a catenary strand 101 and a copper wire 102, the catenary strand 101 comprises an aluminum wire 1001 and a steel wire 1002, the aluminum wire 1001 is stranded with the steel wire 1002, and the catenary strand 101 is stranded with the copper wire 102;

the aluminum wire 1001 is twisted with the steel wire 1002, the steel wire 1002 is mainly used for bearing tension, the aluminum wire 1001 can be used as auxiliary current carrying, the mechanical strength and the corrosion resistance of the carrier cable 1 are improved, and meanwhile, the carrier cable has certain conductivity, the conductivity of the carrier cable 1 can be further improved through the arrangement of the copper wire 102, the carrier cable is a main channel for traction current and is connected with a contact wire in parallel for power supply, the pressure loss and the energy consumption can be reduced, and the corrosion resistance is high;

the force bearing seat 2 comprises a base 201 and a lower pressing plate 202, the top of the base 201 is movably connected with the lower pressing plate 202, a screw 203 is inserted in the center of the lower pressing plate 202, clamping holes 204 are formed in two sides of the upper surface of the lower pressing plate 202, the insides of the clamping holes 204 are clamped with an upper pressing plate 206 through clamping blocks 205, the effect of fixing the force bearing rope 1 is achieved through the arrangement of the upper pressing plate 206 and the lower pressing plate 202, and the center of each clamping block 205 is movably connected with the corresponding clamping hole 204 through a clamping bolt 208;

through the matching arrangement of the clamping bolt 208, the clamping hole 204 and the clamping block 205, the carrier cable 1 can be fastened in the line pressing hole, so that the fastening degree of the carrier cable 1 in the line pressing hole is greatly improved;

one end of the screw 203 far away from the lower press plate 202 is movably connected with a first retaining nut 207, a gasket is arranged at the joint of the lower press plate 202 and the upper press plate 206, the base 201 comprises an upper bearing block 2011 and a lower bearing block 2012, the upper surface of the upper bearing block 2011 is fixedly connected with a connecting piece 2013, the bottom of the upper bearing block 2011 is movably connected with the lower bearing block 2012 through a first fastening bolt 2014, the outer surface of the first fastening bolt 2014 is connected with a second retaining nut 2015 in a threaded manner, the wire tying clamp 3 comprises a central clamp block 301, an upper clamp block 302 and a lower clamp block 303, the top of the central clamp block 301 is provided with the upper clamp block 302, the bottom of the central clamp block 301 is provided with the lower clamp block 303, the bottom of the upper clamp block 302 is movably connected with the lower clamp block 303 through a second fastening bolt, the outer surface of the second fastening bolt 305 far away from the upper clamp block 302 is connected with a third retaining nut 304 in a threaded manner, and the wire tying clamp 3 can act on the bearing rope 1 and the central anchor rope, the upper surface of lower clamp plate 202 and the lower surface of upper clamp plate 206 all are provided with the pressure line hole, and the lower surface of last strength piece 2011 and the upper surface of lower strength piece 2012 all are provided with the mounting hole, and the lower surface fixedly connected with link 4 of lower strength piece 2012.

As an optimal technical solution of the utility model: a gasket is arranged at the joint of the upper pressure plate 206 and the first retaining nut 207, and the surface of the upper pressure plate 206 can be protected from being scratched by the first retaining nut 207 by the arrangement of the gasket, so that the pressure of the first retaining nut 207 on the pressed plate 202 can be dispersed.

In summary, when the catenary for railway electrification is used, the aluminum wire 1001 is stranded with the steel wire 1002, the steel wire 1002 is mainly used for bearing tension, the aluminum wire 1001 can be used as auxiliary current carrying, the mechanical strength and the corrosion resistance of the catenary 1 are improved, meanwhile, the copper wire 102 has certain conductivity, the conductivity of the carrier cable 1 can be further improved, the copper wire is a main channel for traction current and is connected with a contact wire in parallel for power supply, the pressure loss and the energy consumption can be reduced, the corrosion resistance is high, by the arrangement of the upper pressure plate 206 and the lower pressure plate 202, the function of fixing the carrier cable 1 is achieved, through the cooperation setting of bayonet catch 208, card hole 204 and fixture block 205, can fasten messenger wire 1 in the line ball downthehole, greatly promoted messenger wire 1's fastening degree in the line ball, through the setting of tieing fastener 3, can act on messenger wire 1 and the effect of central anchor tieing rope.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a catenary for railway electrification, includes catenary (1), load carrier (2) and knot fastener (3), its characterized in that: the carrier cable (1) comprises a carrier cable (101) and a copper wire (102), wherein the carrier cable (101) comprises an aluminum wire (1001) and a steel wire (1002), the aluminum wire (1001) is stranded with the steel wire (1002), and the carrier cable (101) is stranded with the copper wire (102).

2. The catenary cable for railway electrification of claim 1, further comprising: bearing seat (2) include base (201) and holding down plate (202), the top swing joint of base (201) has holding down plate (202), the center department of holding down plate (202) is pegged graft and is had screw rod (203), card hole (204) have all been seted up to the both sides of holding down plate (202) upper surface, the inside in card hole (204) is through fixture block (205) and top board (206) joint, the center department of fixture block (205) is through clip (208) and card hole (204) swing joint, the one end swing joint that holding down plate (202) were kept away from in screw rod (203) has first stopping nut (207), the junction of holding down plate (202) and top board (206) is provided with the gasket.

3. The catenary cable for railway electrification of claim 2, wherein: base (201) include load piece (2011) and lower load piece (2012), the last fixed surface who goes up load piece (2011) is connected with connecting piece (2013), the bottom of going up load piece (2011) is through first fastening bolt (2014) and load piece (2012) swing joint down, the surface threaded connection of first fastening bolt (2014) has second stopping nut (2015).

4. The catenary cable for railway electrification of claim 1, further comprising: the knot clamp (3) includes central clamp splice (301), goes up clamp splice (302) and lower clamp splice (303), the top of central clamp splice (301) is provided with clamp splice (302), the bottom of central clamp splice (301) is provided with down clamp splice (303), the bottom of going up clamp splice (302) is through second fastening bolt (305) and clamp splice (303) swing joint down, the surface threaded connection that last clamp splice (302) was kept away from in second fastening bolt (305) has third stopping nut (304).

5. The catenary cable for railway electrification of claim 2, wherein: and the upper surface of the lower pressure plate (202) and the lower surface of the upper pressure plate (206) are provided with wire pressing holes.

6. The catenary cable for railway electrification of claim 3, wherein: the lower surface of going up load piece (2011) with load piece (2012) upper surface down all is provided with the mounting hole, the lower fixed surface of load piece (2012) down is connected with link (4).