CN202042216U - Anti-ant shockproof low temperature-resistant through earth wire cable - Google Patents
Anti-ant shockproof low temperature-resistant through earth wire cable Download PDFInfo
- Publication number
- CN202042216U CN202042216U CN2011201238381U CN201120123838U CN202042216U CN 202042216 U CN202042216 U CN 202042216U CN 2011201238381 U CN2011201238381 U CN 2011201238381U CN 201120123838 U CN201120123838 U CN 201120123838U CN 202042216 U CN202042216 U CN 202042216U
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- wire
- stranded
- earth lead
- low temperature
- layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
An anti-ant shockproof low temperature-resistant through earth wire cable is characterized in that an sheath layer coated by extrusion-molding is arranged at the periphery of a conductive cable core, a packing material is packed between the conductive cable core and the sheath layer, and the sheath layer and the packing material are both conductive elastic bodies; the conductive cable core is formed by twisting an alarm wire and an earthing wire distributed at the periphery of the alarm wire, and an elastic insulating layer is coated by extrusion-molding at the periphery of the conductive cable core of the alarm wire. The earthing wire is formed by leftwards twisting a single tinned copper wire according to a normal arrangement mode, the twisted pitch diameter ratio of the outermost layer is 9, the twisted pitch diameter ratios of other layers are gradually increased by 2 from the outer layer to the inner layer, or the outermost two layers are single tinned copper wires, and other layers are copper strand wires. The anti-ant shockproof low temperature-resistant through earth wire cable has excellent anti-ant, shockproof and low temperature-resistant properties, and fault alarming and broken point positioning functions.
Description
Technical field
The utility model relates to cable, relates in particular to the Through ground wire cable.
Background technology
Along with inter-city high-speed rail is opened operation in succession, train running speed improves rapidly, and railways train operation commander's automation and fail safe are had higher requirement.When running at high speed, train can produce huge vibrations, also can be subjected to the threat of the microthermal climate or the termite attack on winter or plateau simultaneously, can cause the fracture of Through ground wire in the earthing device of high-speed railways most probably, the unbalanced fault of earthing potential can take place in signal transmission system, influence the reliability of signal transmission system, stay hidden danger for the fail safe of high-speed railway.
The utility model content
The problems referred to above at prior art, the applicant provides a kind of shockproof low temperature resistant Through ground wire cable of anti-ant that is used for the high-speed railways earthing device, it has excellent anticorrosion, anti-ant, performance such as shockproof, low temperature resistant, has fault alarm and breakpoint positioning function again.
The technical solution of the utility model is as follows:
The anti-shockproof low temperature resistant Through ground wire cable of ant comprises the conduction cable core, and at the outer restrictive coating that is with the extrusion molding parcel of conduction cable core, filling has inserts between conduction cable core and described restrictive coating, and described restrictive coating and inserts are respectively conductive elastomer; Described conduction cable core is by warning wire and distribute it peripheral earth lead is stranded and constitute, and the peripheral extrusion molding of the conductor core wire of described warning wire is enclosed with the insulating barrier of elastic material.Further:
Described restrictive coating and inserts are respectively the polyolefin elastic material with electric conductivity, and the peripheral extrusion molding of the conductor core wire of described warning wire is enclosed with the elastic insulating layer of low temperature resistant silicon rubber material;
Described conduction cable core is by a warning wire and distribute it peripheral earth lead is stranded and constitute, and the conductor core wire of described warning wire constitutes by the conductive monofilament boundling is stranded.Described earth lead is made of by left-hand is stranded conductive filament, and described conductive filament comprises conductive monofilament; The constituted mode of described earth lead is: each of earth lead layer is made of by regular structure arranged mode and by left-hand is stranded the tin-coated copper monofilament, the outermost stranded pitch diameter ratio of described earth lead is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead increases progressively 2 by outermost layer successively to internal layer; Perhaps, the constituted mode of described earth lead is: wherein the outermost of earth lead is two-layer is made of by regular structure arranged mode and by left-hand is stranded the tin-coated copper monofilament, each layer of all the other of earth lead is made of by regular structure arranged mode and by left-hand is stranded copper strand wire, the outermost stranded pitch diameter ratio of described earth lead is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead increases progressively 2 by outermost layer successively to internal layer.
The beneficial effects of the utility model are:
1, described conduction cable core constitutes by each layer earth lead of a warning wire and its periphery that distributes is stranded, and each layer earth lead has arrangement rational in infrastructure and suitable stranded lay ratio, so makes conductor structure have good stable; Each layer earth lead constitutes by the tin-coated copper monofilament is stranded respectively, so makes the conduction cable core soft; Perhaps the skin of each layer earth lead is the stranded formation of tin-coated copper monofilament, so makes that the conduction cable core was not only soft but also has certain elasticity.The conduction cable core of said structure makes the Through ground wire cable have good stability and anti-seismic performance.
2, restrictive coating and inserts are respectively the elastic polyolefin material, the peripheral extrusion molding of the conductor core wire of warning wire is enclosed with the elastic insulating layer of low temperature resistant silicon rubber material, make the stranded more closely knit of earth lead, ground connection is more reliable, and further improve the anti-seismic performance and the resistance to low temperature of Through ground wire, and effectively prevent termite attack.
3, the gap filled conductive polyolefin elastic material between conduction cable core and the described restrictive coating makes the closely knit compactness of this ground wire cable, further improves the stability of the construction of cable, has increased the conductive area of conductor simultaneously.
4, the excellent conductive performance of restrictive coating material can guarantee that the earthing potential of all signal transmission apparatus of high ferro all fronts all keeps balance at any time; Restrictive coating adopts elastomeric material, has cushioned the Through ground wire surrounding medium to extruding and friction that Through ground wire produces, further improves this ground wire cable moral anti-seismic performance.
Considered the environmental protection factor during the utility model product development,, can not produce environmental pollution along the line railway so this product material therefor is environment-friendly materials.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a sectional view of the present utility model, illustrates structure of the present utility model.
Among the figure: 1, earth lead, 2, the conductor core wire of alarming line, 3, the alarming line insulating barrier, 4, the packed layer of conductive elastomer material, 5, the restrictive coating of conductive elastomer material.
Embodiment
As shown in Figure 1, the utility model comprises the conduction cable core, at the outer extrusion molding wrap jacket layer 5 that is with of conduction cable core, filling has inserts 4 between conduction cable core and described restrictive coating 5, and described restrictive coating 5 and inserts 4 are respectively the conductive elastomer through the polyolefin material of cross-linking radiation; Described conduction cable core is by warning wire 2 and its peripheral earth lead 1 of distributing is stranded constitutes, and the peripheral extrusion molding of the conductor core wire of described warning wire is enclosed with the insulating barrier 3 of polyolefin material elastic material.Further:
As shown in Figure 1, described conduction cable core constitutes by 6 earth leads of 1 warning wire and its periphery that distributes are stranded, boundling is stranded routinely constitutes by conductive monofilament for the conductor core wire 2 of described warning wire, described earth lead 1 is made of by left-hand is stranded conductive filament, the embodiment of described earth lead 1 in two kinds of situation:
Embodiment 1:
See Fig. 1, each layer of earth lead 1 is made of by regular structure arranged mode and by left-hand is stranded zinc-plated copper monofilament, the stranded pitch diameter ratio of described earth lead 1 each layer is increased progressively to internal layer successively by skin, optimal cases is that described earth lead 1 outermost stranded pitch diameter ratio is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead increases progressively 2 by skin successively to internal layer.Above-mentionedly be meant by regular structure arranged mode: the tin-coated copper monofilament quantity of every adjacent two layers differs 6, and is as shown in table 1.
Table 1 earth lead lay configuration and parameter
Embodiment 2:
See Fig. 1, the outermost of earth lead 1 is two-layer to be pressed regular structure arranged mode (identical with arrangement shown in the table 1) and is pressed the stranded formation of left-hand by zinc-plated copper monofilament 6, all the other each layers of earth lead 1 are pressed regular structure arranged mode (identical with arrangement shown in the table 1) and are pressed the stranded formation of left-hand by copper strand wire, the stranded pitch diameter ratio of described each layer of conductor cable core is increased progressively to internal layer successively by skin, optimal cases is that described earth lead 1 outermost stranded pitch diameter ratio is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead also is to increase progressively 2 successively by skin to internal layer.Above-mentionedly be meant by regular structure arranged mode
:That is: the two-layer tin-coated copper monofilament quantity of outermost differs 6, differs 6 by the quantity of from outside to inside order second layer tin-coated copper monofilament and the quantity of the 3rd layer of strand, differs 6 by from outside to inside order since the strand quantity of the 3rd layer of every adjacent two layers.In the present embodiment, the silk footpath of described zinc-plated copper monofilament sees Table 1, and the line footpath of described copper strand wire design or computational methods is routinely chosen.
When earth lead 1 was stranded, the apolegamy of mould was very crucial, will be directly connected to the presentation quality of conductor and the performance of cable.Aperture as selected mould is bigger than normal, can cause twisted wire to jump silk, and pitch is inhomogeneous, and conductor is rounding not, and the conductor diameter fluctuation is bigger; And the mould aperture is less than normal, can cause twisted wire to block up, and breaks, and it is difficult to wear silk, even conductor occurs and be the ring shape, and the tin pull-up falls, and D.C. resistance is defective.Through repeated calculation and trial-production, select the mould aperture to be of a size of 1.05 ~ 1.10 times of Theoretical Calculation conductor assembly outer diameter, stranded cable core surface-brightening, the pitch that goes out is even, and conductor assembly outer diameter rounding, does not evenly have the silk of jumping, burr, fracture of wire, drawing-down phenomenon.
Claims (5)
1. the anti-shockproof low temperature resistant Through ground wire cable of ant, comprise the conduction cable core, it is characterized in that: at the outer restrictive coating that is with the extrusion molding parcel of conduction cable core, filling has inserts between conduction cable core and described restrictive coating, and described restrictive coating and inserts are respectively conductive elastomer; Described conduction cable core is by warning wire and distribute it peripheral earth lead is stranded and constitute, and the peripheral extrusion molding of the conductor core wire of described warning wire is enclosed with the insulating barrier of elastic material.
2. by the shockproof low temperature resistant Through ground wire cable of the described anti-ant of claim 1, it is characterized in that: described restrictive coating and inserts are respectively the polyolefin elastic material with electric conductivity, and the peripheral extrusion molding of the conductor core wire of described warning wire is enclosed with the elastic insulating layer of low temperature resistant silicon rubber material.
3. by the shockproof low temperature resistant Through ground wire cable of the described anti-ant of claim 1, it is characterized in that: described conduction cable core is by a warning wire and distribute it peripheral earth lead is stranded and constitute, the conductor core wire of described warning wire constitutes by the conductive monofilament boundling is stranded, described earth lead is made of by left-hand is stranded conductive filament, and described conductive filament comprises conductive monofilament.
4. by the shockproof low temperature resistant Through ground wire cable of the described anti-ant of claim 3, it is characterized in that: the constituted mode of described earth lead is: each of earth lead layer is made of by regular structure arranged mode and by left-hand is stranded the tin-coated copper monofilament, the outermost stranded pitch diameter ratio of described earth lead is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead increases progressively 2 by outermost layer successively to internal layer.
5. by the shockproof low temperature resistant Through ground wire cable of the described anti-ant of claim 3, it is characterized in that: the constituted mode of described earth lead is: wherein the outermost of earth lead is two-layer is made of by regular structure arranged mode and by left-hand is stranded the tin-coated copper monofilament, each layer of all the other of earth lead is made of by regular structure arranged mode and by left-hand is stranded copper strand wire, the outermost stranded pitch diameter ratio of described earth lead is 9, and the stranded pitch diameter ratio of all the other each layers of earth lead increases progressively 2 by outermost layer successively to internal layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201238381U CN202042216U (en) | 2011-04-25 | 2011-04-25 | Anti-ant shockproof low temperature-resistant through earth wire cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201238381U CN202042216U (en) | 2011-04-25 | 2011-04-25 | Anti-ant shockproof low temperature-resistant through earth wire cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042216U true CN202042216U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201238381U Expired - Fee Related CN202042216U (en) | 2011-04-25 | 2011-04-25 | Anti-ant shockproof low temperature-resistant through earth wire cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254596A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Anti-termite shockproof low-temperature resistant breakthrough grounding wire cable |
-
2011
- 2011-04-25 CN CN2011201238381U patent/CN202042216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254596A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Anti-termite shockproof low-temperature resistant breakthrough grounding wire cable |
| CN102254596B (en) * | 2011-04-25 | 2012-10-17 | 江苏天地龙电缆有限公司 | Anti-termite shockproof low-temperature resistant breakthrough grounding wire cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20140425 |