CN201984848U

CN201984848U - Integrated track penetration ground wire

Info

Publication number: CN201984848U
Application number: CN2011200242110U
Authority: CN
Inventors: 陈范娇; 栾杰; 何华林; 林晓光; 卫学镔
Original assignee: SANGLAITE SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: SANGLAITE SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2011-01-26
Filing date: 2011-01-26
Publication date: 2011-09-21
Anticipated expiration: 2021-01-26

Abstract

The utility model discloses an integrated track penetration ground wire which comprises a copper covered steel circular wire (1), an alarm wire (2) and an insulation layer (3), wherein the alarm wire (2) and the copper covered steel circular wire (1) are placed in parallel and covered in the insulation layer (3), and the insulation layer (3) is spaced between the alarm wire (2) and the copper covered steel circular wire (1). The diameter of the copper covered steel circular wire (1) is from 6 to 14 mm. The copper covered steel circular wire (1) comprises a steel core (4) and a copper layer (5) covering outside the steel core along the length direction of the steel core, and the steel core (4) is made of mild steel. The integrated track penetration ground wire has the advantages that the alarm wire and the copper covered steel circular wire are placed in parallel and covered and spaced by the insulation layer, the cost for placing and embedding wires repeatedly is reduced due to the protection of the insulation layer.

Description

The track combined through ground wire

Technical field

The utility model relates to a kind of ground wire, is specifically related to the combined through ground wire of a kind of high-speed railway, track traffic.

Background technology

Through ground wire of the prior art, some uses noble metals such as fine copper twisted wire, and manufacturing cost height, mechanical strength are low, and corrosion resistance is low, and stolen easily in the open air; Some uses copper plated steel twisted wire, is difficult to strandedly after the copper facing, and the coating copper thickness often is lower than 0.30mm, and when the high-speed railway operation occurred than major break down electric current or lightning current, current capacity was poor, occurs the railway operation accident easily; The ground wire that also has some copper covered steels or copper cover aluminum, but lower at current capacity, and need the secondary installing alarming line, increased job costs.

The utility model content

The utility model has overcome the deficiencies in the prior art, and a kind of track combined through ground wire is provided, and it has fault current discharge capacity preferably, higher mechanical strength, lower manufacturing cost has Through ground wire anti-theft signal device simultaneously, thereby guarantees the safe operation of the railway system.

For solving above-mentioned technical problem, the utility model by the following technical solutions:

A kind of track combined through ground wire comprises copper covered steel circle line, alarming line, insulating barrier, and alarming line is placed with copper covered steel circle line parallel, is wrapped within the insulating barrier, is separated with insulating barrier between between alarming line and the copper covered steel circle line.

Further technical scheme is:

The diameter of described copper covered steel circle line is 6 to 14mm.

Described copper covered steel circle line comprises steel core and is coated on copper layer outside the steel core along the steel core length direction that described steel core is made by mild steel.

The diameter of described steel core is 5-12.5mm, and the thickness 〉=0.5mm of the copper layer of copper covered steel circle line.

The thickness of described copper layer is 0.5 to 1.1mm.

Compared with prior art, the beneficial effects of the utility model are: alarming line and copper covered steel circle line parallel is placed, and with insulating barrier with their parcels but be spaced from each other because be provided with dielectric protection layer, reduced repeatedly the cost that unwrapping wire is buried underground.By selecting soft attitude Fine Steel Casting iron (mild steel) for use is steel core, by continuous casting process with copper clad on steel core, make steel core and copper layer form a kind of composite construction, the two is thrown off in conjunction with closely being difficult for, can make the copper layer thicker, and the metallic steel that is formed by this kind composite construction and the annexation conjugation of copper is good, contact resistance is low, cost of manufacture is low.Thicker copper layer has guaranteed the ampacity of fault current, and steel core has guaranteed the mechanical strength of Through ground wire again.Copper covered steel circle line is carried out recrystallization annealing temperature, eliminated the residual stress of steel core, increased the toughness of Through ground wire, be convenient to site operation unwrapping wire and installation.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the hierarchy schematic diagram of the utility model copper covered steel circle line.

Embodiment

Below in conjunction with accompanying drawing the utility model is further elaborated.

As shown in Figure 1, 2, a kind of track combined through ground wire comprises copper covered steel circle line 1, alarming line 2, insulating barrier 3, alarming line 2 and the 1 parallel placement of copper covered steel circle line, be wrapped within the insulating barrier 3, alarming line 2 and copper covered steel are separated with insulating barrier 3 between justifying between the line 1 simultaneously.The diameter of copper covered steel circle line 1 is 6 to 14mm.Copper covered steel circle line 1 comprises steel core 4 and is coated on copper layer 5 outside the steel core along steel core 4 length directions, and the external copper layer material combines by continuous casting process and internal layer steel core, and steel core 4 is made by mild steel.The diameter of steel core 4 is 5 to 12.5mm, and the thickness of copper layer 5 is more than or equal to 0.5mm, and its thickness is preferably 0.5 to 1.1mm certainly.

Technology for Heating Processing concrete grammar of the present utility model:

Copper covered steel circle line 1 is heated to 650 to 720 ℃ of temperature, and temperature retention time 3 hours is chilled to room temperature then, to reduce hardness, eliminates residualinternal stress.

Claims

1. track combined through ground wire, it is characterized in that: described track combined through ground wire comprises copper covered steel circle line (1), alarming line (2), insulating barrier (3), alarming line (2) and the parallel placement of copper covered steel circle line (1), be wrapped within the insulating barrier (3), alarming line (2) and copper covered steel are separated with insulating barrier (3) between justifying between the line (1).

2. track combined through ground wire according to claim 1 is characterized in that: the diameter of described copper covered steel circle line (1) is 6 to 14mm.

3. track combined through ground wire according to claim 1 is characterized in that: described copper covered steel circle line (1) comprises steel core (4) and is coated on copper layer (5) outside the steel core along steel core (4) length direction that described steel core (4) is made by mild steel.

4. track combined through ground wire according to claim 3 is characterized in that: the diameter of described steel core (4) is 5-12.5mm, and the thickness 〉=0.5mm of the copper layer (5) of copper covered steel circle line (1).

5. track combined through ground wire according to claim 4 is characterized in that: the thickness of described copper layer (5) is 0.5 to 1.1mm.