CN208521627U - 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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- CN208521627U CN208521627U CN201821334415.2U CN201821334415U CN208521627U CN 208521627 U CN208521627 U CN 208521627U CN 201821334415 U CN201821334415 U CN 201821334415U CN 208521627 U CN208521627 U CN 208521627U
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- flame retardant
- fireproof
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- retardant coating
- track traffic
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Abstract
The utility model 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 utility model has a superior softness, stable structure, simple, is not easy to be deformed, stable signal transmission is easy to make.
Description
Technical field
The utility model 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 purpose of this utility model is exactly to provide a kind of soft damp-proof and fireproof rail traffic electricity the shortcomings that overcoming the prior art
Cable solves low traditional cable security performance, transmission distorted signals and cable and occurs being broken and constructing after alternating bending
Difficult technical problem, stable structure are not easy to be deformed, and electric property is more superior, and stable signal transmission, safety can
It leans on.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of softness damp-proof and fireproof rail traffic electricity
Cable, including conductor, the conductor use 5 class flexible conductor structures, outside wrapped flame retardant coating I, the outer extruded insulation layer of flame retardant coating I, by
The insulated single wire that conductor, flame retardant coating I and insulating layer form mutually is twisted composition line group, and line group outer cladding pricks yarn, pricks wrapped packet outside yarn
Band, band are 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 group stranding
Core, wrapped fire-retardant band outside cable core extrude liner layer outside fire-retardant band, and liner layer is externally provided with armouring whole shielding layer, and armouring is full frame
It covers and extrudes oversheath outside layer.
As a kind of improvement of the utility model, the conductor it is twisted in the soft copper silk of 0.15mm~0.40mm by diameter and
At substantially increasing the softness of conductor.
As a kind of improvement of the utility model, the flame retardant coating I and flame retardant coating II are Ceramic silicon rubber flame retardant coating,
Ceramic silicon rubber flame retardant coating nonhygroscopic and heated " crust " can play good resistance to fire action, effectively increase the resistance to electricity of cable
Intensity and cable service life.
As a kind of improvement of the utility model, the thickness of the flame retardant coating I and flame retardant coating II is 0.2mm, with high speed
Winding 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 a kind of improvement of the utility model, the insulating layer is EP rubbers, uniform by squeezing rubber continuous vulcanization
It is extruded in I outside of flame retardant coating, then heats continuous vulcanization through closed high steam pipeline, then through closed high-pressure cooling water pipe
Road carries out cooling fixed forming to the insulated single wire of formation.Realize that there is excellent electric durability by continuously squeezing rubber and sulfuration process
Can, while EP rubbers mixture is become by the jet chimney of high temperature and pressure by easily deformable thermoplastic polyester
For the thermosetting polymer polymer with high resiliency, higher toughness.Compared with polyethylene insulated cable, cable insulation is more soft
It is soft, and there is elasticity, it can satisfy in cable in narrow environment in use, bearing the requirement of overbending, and insulation is not inhaled
Tide effectively improves the electric strength and service life of cable.
As a kind of improvement of the utility model, the band is polyester belt.
As a kind of improvement of the utility model, the split screen passes through high-speed knitter one using aramid yarn and tinned copper wire
Secondary to weave, count is not less than 80%, and the tension of cable is effectively improved by aramid yarn and tinned copper wire mixed weaving
Ability.
As a kind of improvement of the utility model, the fire-retardant band is glass fibre belt, with a thickness of 0.5mm, wrapped four layers,
It has the characteristics that high intensity, smooth in appearance, environmental protection, fire-retardant, fire insulation excellent effect.
As a kind of improvement of the utility model, the liner layer and oversheath are all made of rubber bullet elastomer material, lead to
Rubber extruding machine is crossed to be evenly coated at rubber compound respectively outside fire-retardant band and outside armouring whole shielding layer, then through closed high pressure
Jet chimney heats continuous vulcanization, then through closed high-pressure cooling water pipeline, carries out cooling fixed forming to the cable of formation.It is interior
Lining and oversheath are realized by continuously squeezing rubber and sulfuration process by easily deformable thermoplastic by using rubber bullet elastomer material
Property high molecular polymer becomes the thermosetting polymer polymer with high resiliency, higher toughness, with conventional track transport cable
It is compared using polyolefine material, there is better flexibility, elastomeric property.Ensure that being readily bent for entire cable, and by
Be not in cracking when to overbending, guarantee that cable has higher security reliability.
As a kind of improvement of the utility model, the armouring whole shielding layer is longitudinally to be coated on copper strips by longitudinal wrap machine
Then liner surface welds longitudinal wrap seam by argon arc welding, then carry out embossing processing to copper strips by embossing calender.With
Traditional copper strips is wrapped or braiding simultaneously is compared, due to foring a totally enclosed metal by longitudinal wrap and abutment joint welding
Layer, shield effectiveness are splendid；In addition, by embossing processing is carried out after copper strips longitudinal wrap, to the bending property of cable without any shadow
It rings, 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 gnawed
It stings.
As a kind of improvement of the utility model, the cable core is twisted by four quads or seven quads, this
Stable structure is not easy to be deformed, and guarantees signal transmission more safety and stability.
As a kind of improvement of the utility model, the line group is twisted by the insulated single wire of different colours, convenient
Wiring improves working efficiency.
As a kind of improvement of the utility model, the insulated single wire is three or four.
The beneficial effects of the utility model are that the utility model is substantially increased and led by using flexible conductor lay configuration
The flexibility of body avoids generation of the conductor the fracture and constructional difficulties occurred after bending repeatedly phenomena such as；Pass through
Excellent shield effectiveness is played using split screen and armouring whole shielding layer, there is stronger antinoise signal interference performance and external force resistance to rush
Ability is hit, stable structure is not easy to be deformed, it is ensured that signal transmission more safety and stability；By using dielectric layers, have
Effect improves the electric strength and service life of cable；The utility model is designed by reasonable structure, light-weight, and structure is simple,
It is easy to make, it is cheap.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
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 embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
It should be noted that the positional terms such as inside and outside in the utility model embodiment, be only each other relative concept or
It is reference with the normal operating condition of product, and 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 are led using 5 classes are soft
Body 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,
The soft copper silk of 0.25mm, 0.3mm or 0.35mm are twisted, and substantially increase the softness of conductor 3.It is wrapped resistance to outside conductor 3
Fire bed I 4, the outer extruded insulation layer 5 of flame retardant coating I 4, four different colours being made of conductor 3, flame retardant coating I 4 and insulating layer 5 it is exhausted
The twisted composition quad 1 of 2 phase of edge single line, 1 outer cladding of quad prick yarn 6, prick wrapped band 7 outside yarn 6, and band 7 is polyester belt.Packet
Band 7 is externally provided with braiding split screen 8, and split screen 8 is once woven by high-speed knitter using aramid yarn and tinned copper wire, woven close
Degree is not less than 80%, and the tensile capacity of cable is effectively improved by aramid yarn and tinned copper wire mixed weaving.It is equipped with outside split screen 8
Flame retardant coating 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, resistance
Combustion 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,
The features such as environmentally friendly, fire-retardant, fire insulation excellent effect.Liner layer 11 is extruded outside fire-retardant band 10, it is full frame that liner layer 11 is externally provided with armouring
Layer 12 is covered, oversheath 13 is extruded outside armouring whole shielding layer 12.
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 there is the utility model superior softness (to avoid cable to break after alternating bending
Split and generation the phenomenon that constructional difficulties), it is stable structure, simple, be not easy to be deformed, stable signal transmission, securely and reliably, weight
Amount is light, easy to make, 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 thoroughly do away with edge
2 phase of single line, 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 thoroughly do away with edge
2 phase of single line, 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
Root quad 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 of root 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 of root 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
Root quad 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 of root 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 of root is twisted.
Above-described embodiment be not to the shape, structure of the utility model, quantity (2 radical of insulated single wire in such as embodiment,
1 radical of line group etc.) etc. make any form of restriction, it is all above embodiments to be made according to the technical essence of the utility model
Any simple modification, equivalent variations, belong to the protection scope of technical solutions of the utility model.
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) uses 5 classes
Flexible conductor structure, outer wrapped flame retardant coating I (4), the outer extruded insulation layer (5) of flame retardant coating I (4), by conductor (3), flame retardant coating I (4)
It is mutually twisted composition line group (1) with the insulated single wire (2) of insulating layer (5) composition, line group (1) outer cladding pricks yarn (6), pricks yarn (6) outside
Wrapped band (7), band (7) are externally provided with braiding split screen (8), and flame retardant coating II (9) is equipped with outside split screen (8), wrapped to cross flame retardant coating
The line group (1) of II (9) is mutually twisted composition cable core, wrapped fire-retardant band (10) outside cable core, and fire-retardant band (10) extrudes liner layer outside
(11), liner layer (11) is externally provided with armouring whole shielding layer (12), extrudes oversheath (13) outside armouring whole shielding layer (12).
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) and flame retardant coating II (9) 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) and the thickness of flame retardant coating II (9) is 0.2mm, is 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) it is EP rubbers, is uniformly extruded in outside flame retardant coating I (4) by squeezing rubber continuous vulcanization, then through closed high steam
Pipeline heats continuous vulcanization, then through closed high-pressure cooling water pipeline, carries out cooling to the insulated single wire (2) of formation and 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
It (10) is 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) is all made of rubber bullet elastomer material, and rubber compound is evenly coated to fire-retardant packet respectively by rubber extruding machine
Outside band (10) and outside armouring whole shielding layer (12), continuous vulcanization then is heated through closed high steam pipeline, 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) is that copper strips is longitudinally coated on to liner layer (11) surface by longitudinal wrap machine, 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 twisted by four quads (1) or seven quads (1).
12. a kind of soft damp-proof and fireproof track traffic cable according to claim 11, it is characterised in that: the line group
It (1) is twisted by the insulated single wire (2) of different colours.
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) is three or four.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821334415.2U CN208521627U (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 |
|---|---|---|---|
| CN201821334415.2U CN208521627U (en) | 2018-08-19 | 2018-08-19 | A kind of softness damp-proof and fireproof track traffic cable |
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| CN208521627U true CN208521627U (en) | 2019-02-19 |
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| CN201821334415.2U Active CN208521627U (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 |
|---|---|---|---|---|
| CN108922660A (en) * | 2018-08-19 | 2018-11-30 | 河南胜华电缆集团有限公司 | A kind of softness damp-proof and fireproof track traffic cable |
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2018
- 2018-08-19 CN CN201821334415.2U patent/CN208521627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922660A (en) * | 2018-08-19 | 2018-11-30 | 河南胜华电缆集团有限公司 | A kind of softness damp-proof and fireproof track traffic cable |
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