CN201153051Y - Environment friendly through ground wire for railway - Google Patents
Environment friendly through ground wire for railway Download PDFInfo
- Publication number
- CN201153051Y CN201153051Y CNU2008200309015U CN200820030901U CN201153051Y CN 201153051 Y CN201153051 Y CN 201153051Y CN U2008200309015 U CNU2008200309015 U CN U2008200309015U CN 200820030901 U CN200820030901 U CN 200820030901U CN 201153051 Y CN201153051 Y CN 201153051Y
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- cable core
- wire
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- copper cash
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Abstract
The utility model relates to an environmental-friendly railway run-through grounding wire, being a grounding cable specially used for the railway. The grounding wire comprises a cable core which is intertwisted by a plurality of copper wires, an anticorrosion layer can be arranged outside each copper wire, a comprehensive protective layer can be arranged outside the cable core, and the comprehensive protective layer can be composed of a metal protective layer, a non-metal protective layer and a metal sheath; one or two test signal wires can be arranged in the cable core; material used by the anticorrosion layer can be metals such as tin, zinc, aluminum, nickel, etc. or alloy of the metals and can also be various conductive coatings; the materials used by the metal protective layer can be metals such as tin, zinc, aluminum, steel, magnesium, nickel etc. or alloy of the metals; the material used by the non-metal protective layer can be semi-conductive polyolefin shielding material, conductive plastics or conductive rubber. The environmental-friendly railway run-through grounding wire solves the technical problems that the prior run-though grounding wire is environmentally contaminative and the damaged or broken parts can not be rapidly located, thereby being a conductive, environmental-friendly, anti-corrosive run-though grounding wire with wire-break alarming performance.
Description
Technical field
The utility model relates to the special-purpose earth cable of a kind of railway signal.
Background technology
Through ground wire is a kind of special-purpose earth cable of signal of unifying earthing mode on railway signal system employing all fronts road, and it can guarantee road ground connection equipotential completely, eliminates the unsymmetrical current that causes owing to the potential difference between the distinct device.Because Through ground wire is connected with rail with ground, can satisfy the requirement of the long-term good earth resistance value of large-scale grounding system, has realized the effective protection to personnel and equipment.In order to satisfy the strict more instructions for use of railway ground connection, need a kind of Through ground wire of exploitation with conductivity, the feature of environmental protection, corrosion resistance, band break alarm characteristic.
The utility model content
The utility model purpose provides a kind of railway environment-friendly type Through ground wire of non-environmental-pollution, and it has solved common Through ground wire can't find out the technical problem of damaging or disconnecting the position fast.
Technical solution of the present utility model is: a kind of railway environment-friendly type Through ground wire, comprise cable core, and its feature here is, and described cable core 1 comprises the many copper cash 2 that twist together, and its material is copper, bronze, aluminium bronze or tin bronze.
Also can be provided with anticorrosive coat 5 on the above-mentioned every copper cash 2, the material of described anticorrosive coat 5 is nonmetallic materials, and described nonmetallic materials are zinc-rich paint, nano-carbon anticorrosion conductive coating, graphite corrosion-resistant conductive coating or nickel powder corrosion-resistant conductive coating.
Above-mentioned cable core 1 outside also can be provided with integrated protection layer 3.
Above-mentioned integrated protection layer 3 is a metal protection layer 32, and its material is the alloy of tin, zinc, aluminium, steel, magnesium, nickel or above metal or the rare earth alloy of above metal.
Above-mentioned integrated protection layer 3 is nonmetal overcoat 31, and its material is the shielding of semiconductive polyolefin material, conductive plastics or conductive rubber.
Above-mentioned integrated protection layer 3 can constitute with 32 of the metal protection layer that is arranged on internal layer by being arranged on outer field nonmetal overcoat 31.
Above-mentioned cable core 1 also comprises at least one p-wire 4, and described p-wire 4 is an insulated single wire, and described insulated single wire is the copper cash of tape insulation layer.
The quantity of above-mentioned p-wire 4 specifically can be two.
Above-mentioned cable core is made of 7 copper cash 2 or 19 copper cash 2, and its stranded mode is layer-twisted type or concentric type.
The utlity model has following advantage:
1, environmental protection, pollution-free.Integrated protection layer in the utility model Through ground wire meets the earth resistance requirement of Through ground wire, and even nonpollution material, can not pollute soil.
2, can find out damage or disconnection position fast.The p-wire of at least one tape insulation layer is set in cable core of the present utility model, if Through ground wire damages under external force or disconnects, can cause the disconnection of this p-wire simultaneously, cause the warning system warning, searching and calculating this moment by instrumentation, the maintenance personal can find the gap of p-wire fast, has also found the damage or the gap of Through ground wire simultaneously fast.
3, long service life.Nonmetal conductive protection layer of the present utility model can play well anticorrosion and protective action to the copper cable core in the Through ground wire, can guarantee in the environment of inclement condition of Through ground wire long-term work, and be able to take high vibration, long service life.
The explanation of accompanying drawing drawing
Fig. 1 is the structural representation of the utility model integrated protection layer;
Fig. 2 is that the utility model adopts the structural representation of 7 circular copper wires as cable core;
Fig. 3 is that the utility model adopts the structural representation of 19 circular copper wires as cable core;
Fig. 4 is the structural representation that the utility model adopts two-layer integrated protection layer;
Wherein: 1, cable core 2, copper cash 3, the anti-layer of integrated protection layer 31 nonmetal overcoat 32 metal 4 p-wire 5 anticorrosive coats
Embodiment
Referring to Fig. 1, the environmental protection Through ground wire adopts naked form, promptly only is made up of cable core 4.Cable core 1 is by soft circular copper wire 2 stranded the forming of TR type of 7 diameter 2.13mm, every copper cash 2 is outside equipped with anticorrosive coat 5, this anticorrosive coat 5 is one deck nano-carbon anticorrosion conductive coating, cable core 1 internal layer is 1 copper cash 2, cable core 1 outer 6 copper cash 2 stranded forming, its internal layer and outer interlayer can be provided with a p-wire 4.
Referring to Fig. 2, railway environment-friendly type Through ground wire is made up of cable core 1 and the integrated protection layer 3 that is arranged on cable core 1 outside.Cable core 1 is by soft circular copper wire 2 stranded the forming of TR type of 7 diameter 2.13mm, every copper cash 2 is outside equipped with anticorrosive coat 5, cable core 1 internal layer is 1 copper cash 2, cable core 1 skin is by 6 copper cash, 2 stranded forming, its internal layer and skin can be provided with a p-wire 4, integrated protection layer 3 is nonmetal overcoat 31, and its material is conduction polyolefin material.
Referring to Fig. 3, railway environment-friendly type Through ground wire is made up of cable core 1 and the integrated protection layer 3 that is arranged on cable core 1 outside.The soft circular copper wire of the TR type that is 1.53mm by 19 diameters on the cable core 2 is stranded by concentric type, 1 copper cash 2 is placed in the center, all the other 18 copper cash 2 are two-layer circumferential arrangement around center copper cash 2, internal layer 6 copper cash 2 that evenly distribute wherein, outer 12 copper cash 2 that evenly distribute are provided with two p-wires 4 in the cable core 1; Integrated protection layer 3 is nonmetal overcoat 31, and its material is semiconductive polyolefin shielding material.
Referring to Fig. 4, railway environment-friendly type Through ground wire is made up of cable core 1 and the integrated protection layer 3 that is arranged on cable core 1 outside.7 diameters of cable core 1 employing are 2.13 soft circular copper wire 2 stranded the forming of TR type, a p-wire 4 is set in the cable core 1, every copper cash 2 is outside equipped with anticorrosive coat 5, this anticorrosive coat 5 is an electrically-conducting paint, cable core extrudes layer of metal overcoat 32 outward, and metal protection layer 32 outer extruding pack nonmetal overcoat 31 again; This metal protection layer 32 also can adopt metal or its alloy or its rare earth alloy of environmentally safes such as tin, zinc, magnesium, nickel except that adopting metallic aluminium, as rare earth aluminium alloy etc., nonmetal overcoat 31 can adopt conductive plastics or conductive rubber.
P-wire 4 can be the aluminum steel of tape insulation layer or the copper cash of tape insulation layer, and wherein the copper cash of tape insulation layer comprises enamel covered wire, plastics copper cash, is good with high density polyethylene (HDPE) insulating barrier copper cash or cross-linking radiation polyolefin insulation layer copper cash especially.
According to the long-pending difference of cable core cross-section, can adopt the copper cash of different-diameter; For satisfying different needs, the cable core internal layer also can adopt different radicals to cooperate with outer.
Claims (10)
1, a kind of railway environment-friendly type Through ground wire comprises cable core, it is characterized in that: described cable core (1) comprises the many copper cash (2) that twist together, and its material is copper, bronze, aluminium bronze or tin bronze.
2, railway environment-friendly type Through ground wire according to claim 1, it is characterized in that: described every copper cash (2) is outside equipped with anticorrosive coat (5), and the material of described anticorrosive coat (5) comprises the alloy of tin, zinc, aluminium, nickel or above metal or rare earth alloy and zinc-rich paint, epoxy zinc-enriched paint, nano-carbon anticorrosion conductive coating, graphite corrosion-resistant conductive coating or the nickel powder corrosion-resistant conductive coating of above metal.
3, railway environment-friendly type Through ground wire according to claim 1 and 2 is characterized in that: described cable core (1) outer setting has integrated protection layer (3).
4, require 3 described railway environment-friendly type Through ground wires according to power, it is characterized in that: described integrated protection layer (3) is a metal protection layer (32), and its material is the alloy of tin, zinc, aluminium, steel, magnesium, nickel or above metal or the rare earth alloy of above metal.
5, railway environment-friendly type Through ground wire according to claim 3 is characterized in that: described integrated protection layer (3) is a nonmetal overcoat (31), and its material is the shielding of semiconductive polyolefin material, conductive plastics or conductive rubber.
6, railway environment-friendly type Through ground wire according to claim 3 is characterized in that: described integrated protection layer (3) is by being arranged on outer field nonmetal overcoat (31) and being arranged on the metal protection layer (32) of internal layer.
7, according to claim 1,2,4,5 or 6 described environment-friendly type Through ground wires, it is characterized in that: described cable core (1) is made of 7 copper cash (2) or 19 copper cash (2), and its stranded mode is layer-twisted type or concentric type.
8, according to claim 1,2,4,5 or 6 described railway environment-friendly type Through ground wires, it is characterized in that: described cable core (1) comprises at least one p-wire (4), described p-wire (4) is an insulated single wire, and described insulated single wire (4) is the aluminum steel of tape insulation layer or the copper cash of tape insulation layer.
9, railway environment-friendly type Through ground wire according to claim 8, it is characterized in that: the quantity of described p-wire (4) is two.
10, railway environment-friendly type Through ground wire according to claim 8 is characterized in that: described cable core (1) is made of 7 copper cash (2) or 19 copper cash (2), and its stranded mode is layer-twisted type or concentric type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200309015U CN201153051Y (en) | 2008-01-10 | 2008-01-10 | Environment friendly through ground wire for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200309015U CN201153051Y (en) | 2008-01-10 | 2008-01-10 | Environment friendly through ground wire for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201153051Y true CN201153051Y (en) | 2008-11-19 |
Family
ID=40128726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200309015U Expired - Lifetime CN201153051Y (en) | 2008-01-10 | 2008-01-10 | Environment friendly through ground wire for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201153051Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161202A1 (en) * | 2013-04-03 | 2014-10-09 | 潮州三环（集团）股份有限公司 | Through ground cable |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
-
2008
- 2008-01-10 CN CNU2008200309015U patent/CN201153051Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014161202A1 (en) * | 2013-04-03 | 2014-10-09 | 潮州三环（集团）股份有限公司 | Through ground cable |
| CN113178277A (en) * | 2021-04-25 | 2021-07-27 | 华远高科电缆有限公司 | Seamless novel environment-friendly alloy sheath through ground wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081119 |