CN205943568U - Cable for rolling stock - Google Patents
Cable for rolling stock Download PDFInfo
- Publication number
- CN205943568U CN205943568U CN201620977462.3U CN201620977462U CN205943568U CN 205943568 U CN205943568 U CN 205943568U CN 201620977462 U CN201620977462 U CN 201620977462U CN 205943568 U CN205943568 U CN 205943568U
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- China
- Prior art keywords
- layer
- conductor
- cable
- metal screen
- outward
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Abstract
The utility model discloses a cable for rolling stock, including conductor, insulating layer, iron shielded layer and oversheath layer, package high temperature PP median and modified radiation cross -linking EPT rubber insulating layer are indulged outward in proper order to the conductor, and conductor, median and insulating layer constitute insulation core, and a plurality of insulation core are circular arrangement and strand into the cable core, the cable core is cladding insulating bag lacing, iron shielded layer, flame retardant coating and oversheath layer in proper order outward, iron shielded layer adopts the tinned copper wire to weave and composite aluminium -plastic tape overlapping two -layer shielding structure, and the outer cladding flame retardant coating of iron shielded layer, flame retardant coating crowded package outward have flame retardant polyolefin oversheath layer. The utility model has the characteristics of acid and alkali -resistance, resistant high low temperature, anticorrosion, anti -vibration, stand wear and tear, high softness, little space, the wide application is in rated voltage 3.66kV and following all kinds railcar, the inside distribution of rolling stock and power power supply system.
Description
Technical field
This utility model is related to a kind of electric wire and in particular to a kind of retardant cable of locomotives.
Background technology
With the raising of expanding economy, the progress of science and technology and rhythm of life, it is desirable to the journey time of trip
Shorten as far as possible.Railway locomotive as the main force of transportation industry, will make rapid progress by its development, especially hot-short transport system
The construction of system, it has also become the main development direction that the countries in the world railway system builds.Retardant cable of locomotives is applied to volume
Determine voltage 3.6/6kV and following all kinds railcar, rolling stock interior distribution and power supply system, its practical application
Bad environments are it is desirable to cable has the spies such as acid and alkali-resistance, high-low temperature resistant, anticorrosion, anti-vibration, wear-resistant, highly-flexible, little space
Point.At present, traditional retardant cable of locomotives, during locomotive operation, it is possible that cable cracking, premature aging, table
The bad phenomenon such as face cracking.
Content of the invention
For solving the above problems, this utility model provides a kind of retardant cable of locomotives.
The technical solution of the utility model is：A kind of retardant cable of locomotives, including conductor, insulating barrier, metal screen layer
And external sheath layer, indulge bag high temperature PP isolation strip and modified cross-linking radiation ethylene propylene diene rubber insulating barrier outside described conductor successively, lead
Body, isolation strip and insulating barrier constitute insulated wire cores, and some insulated wire cores circumferentially arrange and are twisted into cable core, described cable core outer according to
Secondary coated insulation belting layer, metal screen layer, fireprotection layer and external sheath layer, described metal screen layer adopt tinned copper wire braiding and
The overlapping wrapped double-layer shielding structure of aluminium-plastic tape, metal screen layer outer cladding fireprotection layer, it is extruded with fire-retardant polyene outside fireprotection layer
Hydrocarbon external sheath layer.
Described conductor is the 5th kind of tin plating soft copper conductor.
Described insulating bag belt adopts nylon tape overlap wrapped.
Described metal screen layer count is not less than 84%.
Described fireprotection layer is one layer of ceramic fireproof composite band.
Described external sheath layer is double oil-resistant low-smoke halogen-free flame-retardant polyolefine material；Wherein, double oil resistants refer to resistance to mineral oil and
Fuel oil resistance.
Compared with the prior art, this utility model has the beneficial effect that：
1st, conductor is closed using pressing bundle, presses coefficient span of control：0.88-0.91, reduces the outside diameter of cable, is conducive to little sky
Between mounting and installation.
2nd, insulating properties：Outside insulated core, wrapped nylon tape, prevent metal screen layer damage cable insulating barrier it is ensured that
Cable long-term safety uses.
3rd, metal screen layer adopts the overlapping wrapped double layer screen of tinned copper wire braiding+aluminium-plastic tape, improves further
The bulk shielding performance of cable, considers short circuit current bearing capacity simultaneously, is conducive to the safe handling of cable.
4th, fire protecting performance：The outer wrapped ceramic fireproof composite band of metal screen layer, improves fireproofing of cable performance, examination
Test and show, the circuit integrity test of cable, at 800 DEG C of flame temperature, energy normal power supply 60 minutes, be conducive to safety to rescue
Help.
5th, cable jacket layer adopts double oil-resistant low-smoke halogen-free flame-retardant polyolefin jackets of resistance to mineral oil and fuel oil resistance, full
The various environmental demands of sufficient retardant cable of locomotives application, reduce cable surface ager process, extend the range of cable.
Brief description
Fig. 1 is this utility model structural representation.
In figure label：1 conductor, 2 isolation strip, 3 insulating barriers, 4 insulating bag belts, 5 metal screen layers, 6 fireprotection layers, 7 outer shields
Jacket layer.
Specific embodiment
Below by way of optimal case, and combine accompanying drawing and further illustrate.
As Fig. 1, this retardant cable of locomotives includes to be the conductor 1 of the 5th kind of tin plating soft copper conductor and indulges bag successively in conductor 1
On high temperature PP isolation strip 2 and modified cross-linking radiation ethylene propylene diene rubber insulating barrier 3；Conductor 1, isolation strip 2 and insulating barrier 3 are constituted
Insulated wire cores, some insulated wire cores circumferentially arrange and are twisted into cable core, outside described cable core successively coated insulation belting layer 4, gold
Belong to screen layer 5, fireprotection layer 6 and external sheath layer 7, described insulating bag belt 4 adopts nylon tape overlap wrapped, thickness 0.2mm, the number of plies
1 layer, put up rate span of control 15%～20%；Described metal screen layer 5 adopts tinned copper wire braiding and aluminium-plastic tape overlapping
Wrapped double-layer shielding structure, count is not less than 84%, and rate span of control 10%～15% is put up in wrapped shielding；Described fire prevention
Layer 6 is one layer of ceramic fireproof composite band, band nominal thickness 0.35mm, puts up rate scope 15%～20%；Described outer
Restrictive coating 7 is double oil-resistant low-smoke halogen-free flame-retardant polyolefin jackets of resistance to mineral oil and fuel oil resistance, protective cover material oxygen index (OI) 35～37.
In being embodied as, corresponding structure setting and material property are configured to：
Conductor 1 selects the 5th kind of tin plating soft copper conductor, and conductor bundle conjunction monofilament uniformity is good, and the bad defect such as stock is no jumped on surface,
Coating is uniform, Corrosion Protection is good；
Isolation strip 2 is high temperature PP band, 1 layer of band nominal thickness 0.08mm, the band number of plies, and cladding is good, no bottom pour ladle；
Insulating barrier 3 squeezes tubular type extrusion die using half, and Insulation Material is using modified cross-linking radiation ethylene propylene diene rubber insulation (spoke
According to when note controlling irradiation dose, be defined by hot elongation test qualified), average thickness be not less than nominal value, the degree of eccentricity not
More than 15%；
Insulating bag belt 4 adopts nylon tape, thickness 0.2mm, 1 layer of the number of plies, puts up rate span of control 15%～20%；
Metal screen layer 5 adopts tinned copper wire braiding plus the overlapping wrapped double-layer shielding structure of aluminium-plastic tape, count
Not less than 84%, rate span of control 10%～15% is put up in wrapped shielding；
Fireprotection layer 6 using the wrapped one layer of ceramic fireproof composite band of overlap, band nominal thickness 0.35mm, put up rate
Scope 15%～20%；Test shows, the circuit integrity test of cable, at 800 DEG C of flame temperature, can 60 points of normal power supply
Clock, is conducive to safe rescue；External sheath layer 7 adopts double oil-resistant low-smoke halogen-free flame-retardant polyolefin shields of resistance to mineral oil and fuel oil resistance
Set, protective cover material oxygen index (OI) 35～37.
Claims (6)
1. a kind of retardant cable of locomotives, including conductor (1), insulating barrier (3), metal screen layer (5) and external sheath layer (7), its
It is characterised by：Described conductor (1) indulges outward bag high temperature PP isolation strip (2) and modified cross-linking radiation ethylene propylene diene rubber insulating barrier successively
(3), conductor (1), isolation strip (2) and insulating barrier (3) constitute insulated wire cores, and some insulated wire cores circumferentially arrange twisted synthesizing cable
Core, coated insulation belting layer (4), metal screen layer (5), fireprotection layer (6) and external sheath layer (7) successively outside described cable core, described
Metal screen layer (5) adopts tinned copper wire braiding and the overlapping wrapped double-layer shielding structure of aluminium-plastic tape, and metal screen layer (5) is outward
Cladding fireprotection layer (6), is extruded with fire retardant polyolefin external sheath layer (7) outside fireprotection layer (6).
2. retardant cable of locomotives according to claim 1 it is characterised in that：Described conductor (1) is the 5th kind of tin plating soft copper
Conductor.
3. retardant cable of locomotives according to claim 1 it is characterised in that：Described insulating bag belt (4) adopts nylon
Band is overlapping wrapped.
4. retardant cable of locomotives according to claim 1 it is characterised in that：Described metal screen layer (5) count
Not less than 84%.
5. retardant cable of locomotives according to claim 1 it is characterised in that：Described fireprotection layer (6) is one layer of ceramic
Fireproof composite band.
6. retardant cable of locomotives according to claim 1 it is characterised in that：Described external sheath layer (7) is that double oil resistants are low
Cigarette halogen-free anti-flaming polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977462.3U CN205943568U (en) | 2016-08-30 | 2016-08-30 | Cable for rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977462.3U CN205943568U (en) | 2016-08-30 | 2016-08-30 | Cable for rolling stock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205943568U true CN205943568U (en) | 2017-02-08 |
Family
ID=57954337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620977462.3U Expired - Fee Related CN205943568U (en) | 2016-08-30 | 2016-08-30 | Cable for rolling stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205943568U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831601A (en) * | 2018-06-21 | 2018-11-16 | 安徽意力电缆有限公司 | A kind of high-intensitive, fire safe type rail transit locomotive cable |
| CN109721799A (en) * | 2018-12-29 | 2019-05-07 | 安徽天康(集团)股份有限公司 | A kind of high intensity middle-high voltage power cable |
| CN109776958A (en) * | 2018-12-29 | 2019-05-21 | 安徽天康(集团)股份有限公司 | A kind of weather-proof medium-pressure power cable |
| CN110706844A (en) * | 2019-09-16 | 2020-01-17 | 广东金联宇电缆实业有限公司 | Cable for new energy automobile |
-
2016
- 2016-08-30 CN CN201620977462.3U patent/CN205943568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831601A (en) * | 2018-06-21 | 2018-11-16 | 安徽意力电缆有限公司 | A kind of high-intensitive, fire safe type rail transit locomotive cable |
| CN109721799A (en) * | 2018-12-29 | 2019-05-07 | 安徽天康(集团)股份有限公司 | A kind of high intensity middle-high voltage power cable |
| CN109776958A (en) * | 2018-12-29 | 2019-05-21 | 安徽天康(集团)股份有限公司 | A kind of weather-proof medium-pressure power cable |
| CN110706844A (en) * | 2019-09-16 | 2020-01-17 | 广东金联宇电缆实业有限公司 | Cable for new energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |