CN108922660A - A kind of softness damp-proof and fireproof track traffic cable - Google Patents
A kind of softness damp-proof and fireproof track traffic cable Download PDFInfo
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- CN108922660A CN108922660A CN201810944814.9A CN201810944814A CN108922660A CN 108922660 A CN108922660 A CN 108922660A CN 201810944814 A CN201810944814 A CN 201810944814A CN 108922660 A CN108922660 A CN 108922660A
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- flame retardant
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- retardant coating
- track traffic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1865—Sheaths comprising braided non-metallic layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/20—Metal tubes, e.g. lead sheaths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of soft damp-proof and fireproof track traffic cables, are related to field of cable technology.It includes conductor, conductor uses 5 class flexible conductor structures, wrapped flame retardant coating I outside conductor, the outer extruded insulation layer of flame retardant coating I, the insulated single wire being made of conductor, flame retardant coating I and insulating layer is mutually twisted and forms line group, line group outer cladding pricks yarn, prick wrapped band outside yarn, band is externally provided with braiding split screen, and flame retardant coating II is equipped with outside split screen, and the wrapped line group for crossing flame retardant coating II is mutually twisted composition cable core, wrapped fire-retardant band outside cable core, liner layer is extruded outside fire-retardant band, liner layer is externally provided with armouring whole shielding layer, oversheath is extruded outside armouring whole shielding layer.The present invention has a superior softness, stable structure, simple, is not easy to be deformed, stable signal transmission is easy to make.
Description
Technical field
The present invention relates to field of cable technology more particularly to a kind of soft damp-proof and fireproof track traffic cables.
Background technique
With the development of national economy, urban population is consequently increased, and the trip size of population steeply rises." finding great trouble in getting one's destination by public transport means " and
The deficiency of means of transportation, has seriously affected expanding economy, causes inter-city rail transit system Construction to extend rapidly, due to subway
The particularity of system requires higher than general domain in the security performance for the wire and cable that this field uses.Currently, most of
Inter-city rail transit system cable, because of humidity resistance, external force resistance impact property, antinoise signal jamming performance, fire safety performance
It is insufficient and flexible poor, it often results in cable security performance and lowly breaks after alternating bending with transmission distorted signals, cable
It splits and the phenomenon that constructional difficulties, and then influences the service life of cable, increase maintenance cost.
Therefore, it is badly in need of improving humidity resistance, external force resistance impact property, the antinoise signal interference of inter-city rail transit cable at present
Performance, fire safety performance and flexibility reduce maintenance cost to improve the stability of inter-city rail transit.
Summary of the invention
The object of the invention is to overcome the prior art, a kind of soft damp-proof and fireproof track traffic cable is provided,
It solves traditional cable security performance low, transmission distorted signals and cable to occur being broken after alternating bending and constructional difficulties
The technical issues of, stable structure is not easy to be deformed, and electric property is more superior, stable signal transmission, safe and reliable.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of softness damp-proof and fireproof track traffic cable, packet
Include conductor, the conductor uses 5 class flexible conductor structures, outer wrapped flame retardant coating I, the outer extruded insulation layer of flame retardant coating I, by conductor,
Flame retardant coating I is mutually twisted composition line group with the insulated single wire that insulating layer forms, and line group outer cladding pricks yarn, pricks wrapped band outside yarn, packet
Band is externally provided with braiding split screen, and flame retardant coating II is equipped with outside split screen, and the wrapped line group for crossing flame retardant coating II is mutually twisted composition cable core, cable core
Outer wrapped fire-retardant band, fire-retardant band extrude liner layer outside, and liner layer is externally provided with armouring whole shielding layer, squeezes outside armouring whole shielding layer
Packet oversheath.
As an improvement of the present invention, soft copper silk of the conductor by diameter in 0.15mm~0.40mm is twisted,
Substantially increase the softness of conductor.
As an improvement of the present invention, the flame retardant coating I and flame retardant coating II are Ceramic silicon rubber flame retardant coating, ceramics
SiClx rubber flame retardant coating nonhygroscopic and heated " crust " can play good resistance to fire action, effectively increase the electric strength of cable
With cable service life.
As an improvement of the present invention, the thickness of the flame retardant coating I and flame retardant coating II is 0.2mm, wrapped with high speed
Machine is wrapped to be formed, and under the requirement for meeting cable performance, flame retardant coating thickness is minimized, to mitigate cable weight.
As an improvement of the present invention, the insulating layer is EP rubbers, is uniformly extruded by squeezing rubber continuous vulcanization
In the outside of flame retardant coating I, continuous vulcanization then is heated through closed high steam pipeline, then through closed high-pressure cooling water pipeline,
Cooling fixed forming is carried out to the insulated single wire of formation.Realize that there is excellent electric durability energy by continuously squeezing rubber and sulfuration process,
EP rubbers mixture is become having by the jet chimney of high temperature and pressure from easily deformable thermoplastic polyester simultaneously
There is the thermosetting polymer polymer of high resiliency, higher toughness.Compared with polyethylene insulated cable, cable insulation is more soft,
And there is elasticity, it can satisfy in cable in narrow environment in use, bear the requirement of overbending, and it is nonhygroscopic to insulate,
Effectively improve the electric strength and service life of cable.
As an improvement of the present invention, the band is polyester belt.
As an improvement of the present invention, the split screen is once compiled using aramid yarn and tinned copper wire by high-speed knitter
It knits, count is not less than 80%, and the tensile capacity of cable is effectively improved by aramid yarn and tinned copper wire mixed weaving.
As an improvement of the present invention, the fire-retardant band is glass fibre belt, with a thickness of 0.5mm, wrapped four layers, and tool
Have high intensity, smooth in appearance, environmental protection, it is fire-retardant the features such as, fire insulation excellent effect.
As an improvement of the present invention, the liner layer and oversheath are all made of rubber bullet elastomer material, by squeezing
Rubber compound is evenly coated at outside fire-retardant band and outside armouring whole shielding layer, then through closed high steam by rubber machine respectively
Pipeline heats continuous vulcanization, then through closed high-pressure cooling water pipeline, carries out cooling fixed forming to the cable of formation.Liner layer
With oversheath by using rubber bullet elastomer material, realized by continuously squeezing rubber and sulfuration process by easily deformable thermoplasticity height
Molecularly Imprinted Polymer becomes the thermosetting polymer polymer with high resiliency, higher toughness, uses with conventional track transport cable
Polyolefine material is compared, and has better flexibility, elastomeric property.Ensure that being readily bent for entire cable, and by
Be not in cracking when degree bending, guarantee that cable has higher security reliability.
As an improvement of the present invention, the armouring whole shielding layer is that copper strips is longitudinally coated on liner by longitudinal wrap machine
Then layer surface welds longitudinal wrap seam by argon arc welding, then carry out embossing processing to copper strips by embossing calender.With tradition
Copper strips it is wrapped or simultaneously braiding compare, due to by longitudinal wrap and abutment joint welding form a totally enclosed metal layer,
Shield effectiveness is splendid；In addition, have no effect by embossing processing is carried out after copper strips longitudinal wrap to the bending property of cable, and
And can also can also more preferably play the role of armor, protection cable is by external impacts and prevents the toys such as muroid from being bitten.
As an improvement of the present invention, the cable core is twisted by four quads or seven quads, this structure
Stablize, be not easy to be deformed, guarantees signal transmission more safety and stability.
As an improvement of the present invention, the line group is twisted by the insulated single wire of different colours, facilitates wiring,
Improve working efficiency.
As an improvement of the present invention, the insulated single wire is three or four.
Beneficial effects of the present invention are that the present invention substantially increases the softness of conductor by using flexible conductor lay configuration
Property avoids generation of the conductor the fracture and constructional difficulties occurred after bending repeatedly phenomena such as；By using split screen
Excellent shield effectiveness is played with armouring whole shielding layer, there is stronger antinoise signal interference performance and external shock resistance ability,
Stable structure is not easy to be deformed, it is ensured that signal transmission more safety and stability；By using dielectric layers, effectively improve
The electric strength and service life of cable；The present invention is designed by reasonable structure, light-weight, and structure is simple, easy to make, valence
Lattice are cheap.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure：1, line group, 2, insulated single wire, 3, conductor, 4, flame retardant coating I, 5, insulating layer, 6, prick yarn, 7, band, 8, point
Screen, 9, flame retardant coating II, 10, fire-retardant band, 11, liner layer, 12, armouring whole shielding layer, 13, oversheath.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
It is only relative concept or to produce each other it should be noted that the positional terms such as inside and outside in the embodiment of the present invention
The normal operating condition of product is reference, and be should not be regarded as restrictive.
Embodiment one：
As shown in Figure 1, a kind of softness damp-proof and fireproof track traffic cable, including conductor 3, the conductor 3 use 5 class flexible conductor knots
Structure, soft copper silk of the conductor 3 by diameter in 0.15mm~0.40mm are twisted, for example, by using by diameter be 0.2mm, 0.25mm,
The soft copper silk of 0.3mm or 0.35mm is twisted, and substantially increases the softness of conductor 3.Wrapped flame retardant coating I 4 outside conductor 3,
The outer extruded insulation layer 5 of flame retardant coating I 4, the insulated single wire 2 of four different colours being made of conductor 3, flame retardant coating I 4 and insulating layer 5
Mutually twisted composition quad 1,1 outer cladding of quad prick yarn 6, prick wrapped band 7 outside yarn 6, and band 7 is polyester belt.7 peripheral hardware of band
There is braiding split screen 8, split screen 8 is once woven using aramid yarn and tinned copper wire by high-speed knitter, and count is not small
In 80%, the tensile capacity of cable is effectively improved by aramid yarn and tinned copper wire mixed weaving.Flame retardant coating is equipped with outside split screen 8
II 9, wrapped four 1 phases of quad for crossing flame retardant coating II 9 are twisted to form cable core, wrapped fire-retardant band 10 outside cable core, fire-retardant packet 10
Band be glass fibre belt, with a thickness of 0.5mm, wrapped at least two layers, preferably four layers, have high intensity, smooth in appearance, environmental protection,
The features such as fire-retardant, fire insulation excellent effect.Liner layer 11 is extruded outside fire-retardant band 10, liner layer 11 is externally provided with armouring whole shielding layer
12, armouring whole shielding layer 12 extrudes oversheath 13 outside.
Flame retardant coating I 4 and flame retardant coating II 9 be with a thickness of 0.2mm Ceramic silicon rubber flame retardant coating, it is wrapped with high-speed wrapping machine
It forms, Ceramic silicon rubber flame retardant coating nonhygroscopic and heated " crust " can play good resistance to fire action, effectively increase cable
Electric strength and cable service life, thickness is only 0.2mm, alleviates cable weight.
Insulating layer 5 is EP rubbers, I 4 outside of flame retardant coating is uniformly extruded in by squeezing rubber continuous vulcanization, then through closed
High steam pipeline heat continuous vulcanization, then through closed high-pressure cooling water pipeline, the insulated single wire of formation is cooled down
Fixed forming.Realize that there is excellent electric durability energy by continuously squeezing rubber and sulfuration process, while EP rubbers mixture passes through height
The jet chimney of warm high pressure becomes the thermosetting with high resiliency, higher toughness from easily deformable thermoplastic polyester
Property high molecular polymer.Compared with polyethylene insulated cable, cable insulation is more soft, and has elasticity, can satisfy in electricity
Cable in narrow environment in use, bear overbending requirement, and insulate it is nonhygroscopic, effectively improve cable electric strength and
Service life.
Liner layer 11 and oversheath 13 are all made of rubber bullet elastomer material, are uniformly wrapped rubber compound respectively by rubber extruding machine
Fire-retardant 10 outside of band and 12 outside of armouring whole shielding layer are overlayed on, then heats continuous vulcanization through closed high steam pipeline,
Again through closed high-pressure cooling water pipeline, cooling fixed forming is carried out to the cable of formation.Liner layer 11 and oversheath 13 pass through
Using rubber bullet elastomer material, realizes and become by easily deformable thermoplastic polyester by continuously squeezing rubber and sulfuration process
For the thermosetting polymer polymer with high resiliency, higher toughness, polyolefine material phase is used with conventional track transport cable
Than having better flexibility, elastomeric property.It ensure that being readily bent for entire cable, and when by overbending, it will not
It cracks, guarantees that cable has higher security reliability.
Armouring whole shielding layer 12 is that copper strips is longitudinally coated on to 11 surface of liner layer by longitudinal wrap machine, then passes through argon arc welding
Longitudinal wrap seam is welded, then embossing processing is carried out to copper strips by embossing calender.It is wrapped or simultaneously weave with traditional copper strips
It compares, due to foring a totally enclosed metal layer by longitudinal wrap and abutment joint welding, shield effectiveness is splendid；In addition, logical
It crosses to embossing processing is carried out after copper strips longitudinal wrap, has no effect to the bending property of cable, and can also can also more preferably play armour
Layer effect is filled, protection cable is by external impacts and prevents the toys such as muroid from being bitten.
In conclusion the present invention has superior softness（Avoid cable occur being broken after alternating bending and
The phenomenon that constructional difficulties, occurs）, it is stable structure, simple, it is not easy to be deformed, stable signal transmission, securely and reliably, weight
Gently, easy to make, it is cheap.
Embodiment two：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment one the difference is that：Three insulated single wires 2
Mutually three line groups 1 of twisted composition, cable core are twisted by four three line groups 1.
Embodiment three：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment one the difference is that：Five insulated single wires 2
Mutually five line groups 1 of twisted composition, cable core are twisted by four five line groups 1.
Example IV：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment one the difference is that：Cable core is by five four
Line group 1 is twisted.
Embodiment five：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment two the difference is that：Cable core is by five three
Line group 1 is twisted.
Embodiment six：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment three the difference is that：Cable core is by five five
Line group 1 is twisted.
Embodiment seven：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment one the difference is that：Cable core is by seven four
Line group 1 is twisted.
Embodiment eight：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment two the difference is that：Cable core is by seven three
Line group 1 is twisted.
Embodiment nine：
A kind of softness damp-proof and fireproof track traffic cable, the present embodiment and embodiment three the difference is that：Cable core is by seven five
Line group 1 is twisted.
Above-described embodiment is not to shape, structure of the invention, quantity（Such as 2 radical of insulated single wire in embodiment, line group
1 radical etc.）Etc. making any form of restriction, any letter to the above embodiments according to the technical essence of the invention
Single modification, equivalent variations, belong to the protection scope of technical solution of the present invention.
Claims (13)
1. a kind of softness damp-proof and fireproof track traffic cable, including conductor（3）, it is characterised in that：The conductor（3）Using 5 classes
Flexible conductor structure, outer wrapped flame retardant coating I（4）, flame retardant coating I（4）Outer extruded insulation layer（5）, by conductor（3）, flame retardant coating I（4）
And insulating layer（5）The insulated single wire of composition（2）Mutually twisted composition line group（1）, line group（1）Outer cladding pricks yarn（6）, prick yarn（6）Outside
Wrapped band（7）, band（7）It is externally provided with braiding split screen（8）, split screen（8）Outside is equipped with flame retardant coating II（9）, wrapped to cross flame retardant coating
Ⅱ（9）Line group（1）It is mutually twisted to form cable core, wrapped fire-retardant band outside cable core（10）, fire-retardant band（10）Liner layer is extruded outside
（11）, liner layer（11）It is externally provided with armouring whole shielding layer（12）, armouring whole shielding layer（12）Oversheath is extruded outside（13）.
2. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The conductor（3）
Soft copper silk by diameter in 0.15mm~0.40mm is twisted.
3. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The flame retardant coating I
（4）With flame retardant coating II（9）It is Ceramic silicon rubber flame retardant coating.
4. a kind of soft damp-proof and fireproof track traffic cable according to claim 3, it is characterised in that：The flame retardant coating I
（4）With flame retardant coating II（9）Thickness be 0.2mm, formed with high-speed wrapping machine is wrapped.
5. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The insulating layer
（5）For EP rubbers, flame retardant coating I is uniformly extruded in by squeezing rubber continuous vulcanization（4）Outside, then through closed high steam
Pipeline heats continuous vulcanization, then through closed high-pressure cooling water pipeline, to the insulated single wire of formation（2）Cooling is carried out to be fixed into
Shape.
6. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The band（7）
For polyester belt.
7. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The split screen（8）
It is once woven using aramid yarn and tinned copper wire by high-speed knitter, count is not less than 80%.
8. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The fire-retardant band
（10）For glass fibre belt, with a thickness of 0.5mm, wrapped four layers.
9. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The liner layer
（11）And oversheath（13）It is all made of rubber bullet elastomer material, rubber compound is evenly coated at by rubber extruding machine by fire-retardant packet respectively
Band（10）Outside and armouring whole shielding layer（12）Then continuous vulcanization is heated through closed high steam pipeline in outside, then through close
The high-pressure cooling water pipeline closed carries out cooling fixed forming to the cable of formation.
10. a kind of soft damp-proof and fireproof track traffic cable according to claim 1, it is characterised in that：The armouring is complete
Shielded layer（12）For copper strips is longitudinally coated on liner layer by longitudinal wrap machine（11）Surface, then by argon arc welding to longitudinal wrap seam
It is welded, then embossing processing is carried out to copper strips by embossing calender.
11. a kind of soft damp-proof and fireproof track traffic cable according to any of claims 1 to 10, it is characterised in that：
The cable core is by four quads（1）Or seven quads（1）It is twisted.
12. a kind of soft damp-proof and fireproof track traffic cable according to claim 11, it is characterised in that：The line group
（1）It is the insulated single wire by different colours（2）It is twisted.
13. a kind of soft damp-proof and fireproof track traffic cable according to claim 12, it is characterised in that：The insulation is single
Line（2）It is three or four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944814.9A CN108922660A (en) | 2018-08-19 | 2018-08-19 | A kind of softness damp-proof and fireproof track traffic cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810944814.9A CN108922660A (en) | 2018-08-19 | 2018-08-19 | A kind of softness damp-proof and fireproof track traffic cable |
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| CN108922660A true CN108922660A (en) | 2018-11-30 |
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| CN201810944814.9A Pending CN108922660A (en) | 2018-08-19 | 2018-08-19 | A kind of softness damp-proof and fireproof track traffic cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110098012A (en) * | 2019-04-28 | 2019-08-06 | 江苏通鼎光电科技有限公司 | A kind of B1 grades of fire-retardant inter-city rail transit cable and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098012A (en) * | 2019-04-28 | 2019-08-06 | 江苏通鼎光电科技有限公司 | A kind of B1 grades of fire-retardant inter-city rail transit cable and its manufacturing method |
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Application publication date: 20181130 |