CN106782823A - Flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof - Google Patents
Flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof Download PDFInfo
- Publication number
- CN106782823A CN106782823A CN201611138193.2A CN201611138193A CN106782823A CN 106782823 A CN106782823 A CN 106782823A CN 201611138193 A CN201611138193 A CN 201611138193A CN 106782823 A CN106782823 A CN 106782823A
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- Prior art keywords
- cable
- conductor
- flexible
- rated voltage
- rail transit
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Classifications
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
-
- 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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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof, the cable includes being arranged on the conductor in cable bosom, and separation layer, inner insulating layer, external insulation layer are sequentially provided with outside conductor.The cable not only has excellent electrical insulation properties, simultaneously also excellent oil resistivity, mineral oil and fuel oil can simultaneously be tolerated, and cable is due to material and rubber elastomeric material, ensure the pliability of cable body, the need for meeting the installation of cable overbending, the whole material therefor of cable is all not halogen-containing environment-friendly materials, meets the safety and environmental protection characteristic requirements of cable low smoke, zero halogen.
Description
Technical field
The present invention relates to field of cable technology, more particularly to a kind of flexible AC rated voltage 3kV rail transit locomotive cars
With cable and preparation method thereof.
Background technology
21 century is that urban rail transit in China and inter-city passenger rail are developed rapidly（Including subway, ground light rail, overhead light
Rail）Period, subway compared with other vehicles, with road speed it is fast, carriage of passengers amount is big, be not take up ground space,
The features such as environmentally friendly emission-free discharge, be to solve the effective way that air pollution is caused in current urban traffic congestion, exhaust emissions.With
The fast development in city, quick Underground Rail Transit network is built in drastically increasing for the increasingly complicated and population of function
It is very urgent.Ac rated voltage 3kV rail transit rolling stock internal proprietary cables, as its important auxiliary products,
It has been widely used.The private cable inside application rail transit rolling stock is mainly common Halogen crosslinking at present
Polyolefine insulated cable, the subject matter that the cable exposes in use is：Insulation uses Halogen cross-linked polyolefin material
Material, the material belongs to plastics, and material is harder, and the use environment of intra-locomotive electrical cables is very narrow and small, and it is not flexible cable occur,
There is the risk of cracking in curved transitions；The oil resistance of cable is bad, it is impossible to while oil resistant fuel oil and mineral oil, cause cable
, there is expansion in the contact of long-term and greasy dirt, there is potential safety hazard.Current normal cable is using characteristic, to environment in a word
Conformability, security reliability, environmental-protecting performance etc. can not meet requirement, often cause transmission performance decline, unfailing performance
It is low, the problems such as fault rate is high.
The content of the invention
The present invention is in order to solve problem of the prior art, there is provided a kind of flexible AC rated voltage 3kV track traffic machines
Car car cable, the cable not only has excellent electrical insulation properties, while also excellent oil resistivity, can tolerate simultaneously
Mineral oil and fuel oil, and cable is due to material and rubber elastomeric material, it is ensured that the pliability of cable body, meet cable
The need for overbending is installed, the whole material therefor of cable is all not halogen-containing environment-friendly materials, meets cable Halogen low
The safety and environmental protection characteristic requirements of cigarette.
The invention also discloses the preparation method of the cable.
A kind of flexible AC rated voltage 3kV rail transit rolling stock cables of the present invention, including be arranged on
The conductor in cable bosom, is sequentially provided with separation layer, inner insulating layer, external insulation layer outside conductor.
Further improve, the conductor is led using meeting the 6th kind of GB GB/T2956-2008 regulations tin plating copper core is soft
Body.Further improve, described separation layer is using electric every paper material with soft pliable.
Further improve, described inner insulating layer uses EP rubbers mixture elastomeric material, with compared with high-flexibility
And excellent electrical.
Further improve, described external insulation layer uses halide-free rubber elastomeric material, with good oil resistance energy（Simultaneously
Resistance to mineral oil and fuel oil）.
A kind of preparation method of flexible AC rated voltage 3kV rail transit rolling stock cables, it is characterised in that：Bag
Include following steps：
1）Using meeting the tin plating copper core flexible conductor of the class formations of GB/T3956-2008 the 6th, conductor production is by wire drawing-move back for conductor
Fire-tin plating-synnema-twist several stages again, first passes through and copper single line is formed into strand using bundle strand, then passes through strand
Mode being twisted again and forming conductor, production process is completed by wire drawing machine, annealing machine, tin machine, strand winder and wire twisting machine；
2）Separation layer uses wrapped form, by winding machine while conductor bundle strand, overlaps wrapped in conductive surface, formation
Separation layer.
3）The preparation of inner insulating layer：EP rubbers and vulcanizing agent, reinforcing agent, age resistor, reinforcing agent are mixed, is passed through
Banbury and mill are kneaded, and are made performance and are met the requirements, and are adapted to the elastomeric compound of extrusion；EP rubbers is used
The import Dow Chemical trade mark is 3722P, by adding the EP rubbers mixture elastomeric material that various compounding ingredients are made；
4）The preparation of outer insulation：It is base-material to use EVA ethylene-vinyl acetate copolymers, the not halogen-containing vulcanizing agent of addition,
Reinforcing agent, age resistor, filler are carried out mixing and are kneaded by banbury and mill, are made the satisfactory rubber of performance
Elastomeric material；
5）Inner insulating layer and external insulation layer are completed by double-layer coextrusion continuous vulcanization equipment, are adjusted by the distance for adjusting each layer mould
Whole good extrusion pressure, while accurately to carry out school mould, prevents extrusion from occurring eccentric, specifically by Φ 90,120 two screw rod major diameters of Φ
Than 16：1 rubber extruding machine is disposably extruded in insulation surface by squeezing head, forms closely one；Then extrude
Insulating barrier heat continuous vulcanization through closed high steam pipeline, then through closed high-pressure cooling water pipeline, core is carried out
The fixed shaping of cooling, whole device is automatically continuously complete using high steam vulcanization, water cooling pipeline；It is main in production process
Technological parameter is：The extrusion interior insulations of Ф 90 squeeze rubber plasticization temperature：55 ~ 85 DEG C, wherein feeding section is 55 DEG C, and fluxing zone is 75 ~ 85
DEG C, the extrusion external insulations of Ф 120 squeeze rubber plasticization temperature：65 ~ 90 DEG C, wherein feeding section is 65 DEG C, and fluxing zone is 85 ~ 90 DEG C, steam
The Stress control of pipeline section between 0.8 ~ 1.0MPa, wire velocity control between 6 ~ 10min/m, according to steam pressure and linear velocity
The two carries out appropriate collocation adjustment, it is ensured that insulation rubber obtains full cure.
Compared with prior art, beneficial effect of the present invention is：
Primary insulation of the present invention uses heat-resisting 100 DEG C of ethylene-propylene rubber elastomeric materials, and rubber and sulfuration process are squeezed by continuous, realizes
With excellent electrical properties, while the jet chimney that ethylene-propylene rubber mixture passes through HTHP, high by easily deformable thermoplasticity
Molecularly Imprinted Polymer is changed into the thermosetting polymer polymer with high resiliency, higher toughness.With Halogen cross-linked polyolefin insulated electro
Cable is compared, and cable insulation is more soft, and with elasticity, be disclosure satisfy that when cable is used in narrow and small environment, is born excessively
The requirement of bending.Insulation simultaneously is changed into the requirement that thermo-setting elastomer ensure that the temperature resistant grade of cable by vulcanizing treatment.
External insulation of the invention uses low smoke, zero halogen oil resistant EVA rubber elastomeric materials, and rubber and vulcanization work are squeezed by continuous
Skill is realized being changed into the thermosetting polymer polymerization with high resiliency, higher toughness from easily deformable thermoplastic polyester
Thing.Compared with low smoke, zero halogen crosslinked polyolefin materials of the normal cable using shaped plastics, because low smoke, zero halogen cross-linked polyolefin is adopted
It is irradiation crosslinking processes, than larger, being easily caused cable can not be by fuel for the difficulty on the uniformity controlling of irradiation
Oil and mineral oil test.And the crosslink material technique is vulcanized using high steam, technique is easy to control, and cable vulcanization is uniform, it is ensured that
Cable is fully able to by fuel oil and mineral oil test.Simultaneously because cable is thermo-setting elastomer, with shaped plastics sheath phase
Than cable has more preferable pliability and elasticity, it is to avoid the cracking risk that shaped plastics sheath exists when overbending is used.
The performance characteristic of cable of the present invention：The minimum bending radius of cable can arrive 6D, and conventional twisted polyethylene cable is most
Small-bend radius are 15D；Its bending radius is much smaller than normal cable, can bear a greater degree of cable bend；Cable it is resistance to
The combination properties such as oiliness energy are compared compared with cross-linked polyolefin, and performance is more stable, and production technology is easy to control.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
Flexible AC rated voltage 3kV rail transit rolling stock cables as shown in Figure 1, the cable is by being arranged on electricity
Separation layer 2, inner insulating layer 3, external insulation layer 4 is sequentially provided with outside the conductor 1 and conductor in cable bosom to constitute；Wherein, conductor is adopted
With meet GB GB/T2956-2008 specify the 6th kind of tin plating copper core flexible conductor, separation layer using with soft pliable electricity every
Paper material, inner insulating layer is outer exhausted using the EP rubbers mixture elastomeric material having compared with high-flexibility and excellent electrical
Edge layer is used can be while the halide-free rubber elastomeric material of resistance to mineral oil and fuel oil with good oil resistance.
The preparation method of the flexible AC rated voltage 3kV rail transit rolling stock cables, comprises the following steps：
1）Using meeting the tin plating copper core flexible conductor of the class formations of GB/T3956-2008 the 6th, conductor production is by wire drawing-move back for conductor
Fire-tin plating-synnema-twist several stages again, first passes through and copper single line is formed into strand using bundle strand, then passes through strand
Mode being twisted again and forming conductor, production process is completed by wire drawing machine, annealing machine, tin machine, strand winder and wire twisting machine；
2）Separation layer uses wrapped form, by winding machine while conductor bundle strand, overlaps wrapped in conductive surface, formation
Separation layer.
3）The preparation of inner insulating layer：EP rubbers and vulcanizing agent, reinforcing agent, age resistor, reinforcing agent are mixed, is passed through
Banbury and mill are kneaded, and are made performance and are met the requirements, and are adapted to the elastomeric compound of extrusion；EP rubbers is used
The import Dow Chemical trade mark is 3722P, by adding the EP rubbers mixture elastomeric material that various compounding ingredients are made；
4）The preparation of outer insulation：It is base-material to use EVA ethylene-vinyl acetate copolymers, the not halogen-containing vulcanizing agent of addition,
Reinforcing agent, age resistor, filler are carried out mixing and are kneaded by banbury and mill, are made the satisfactory rubber of performance
Elastomeric material；
5）Inner insulating layer and external insulation layer are completed by double-layer coextrusion continuous vulcanization equipment, are adjusted by the distance for adjusting each layer mould
Whole good extrusion pressure, while accurately to carry out school mould, prevents extrusion from occurring eccentric, specifically by Φ 90,120 two screw rod major diameters of Φ
Than 16：1 rubber extruding machine is disposably extruded in insulation surface by squeezing head, forms closely one；Then extrude
Insulating barrier heat continuous vulcanization through closed high steam pipeline, then through closed high-pressure cooling water pipeline, core is carried out
The fixed shaping of cooling, whole device is automatically continuously complete using high steam vulcanization, water cooling pipeline；It is main in production process
Technological parameter is：The extrusion interior insulations of Ф 90 squeeze rubber plasticization temperature：55 ~ 85 DEG C, wherein feeding section is 55 DEG C, and fluxing zone is 75 ~ 85
DEG C, the extrusion external insulations of Ф 120 squeeze rubber plasticization temperature：65 ~ 90 DEG C, wherein feeding section is 65 DEG C, and fluxing zone is 85 ~ 90 DEG C, steam
The Stress control of pipeline section between 0.8 ~ 1.0MPa, wire velocity control between 6 ~ 10min/m, according to steam pressure and linear velocity
The two carries out appropriate collocation adjustment, it is ensured that insulation rubber obtains full cure.
Concrete application approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, it is noted that for
For those skilled in the art, under the premise without departing from the principles of the invention, some improvement can also be made, this
A little improvement also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of flexible AC rated voltage 3kV rail transit rolling stock cables, it is characterised in that：Including being arranged on cable
The conductor in bosom, is sequentially provided with separation layer, inner insulating layer, external insulation layer outside conductor.
2. flexible AC rated voltage 3kV rail transit rolling stock cables according to claim 1, its feature exists
In：The conductor is using the 6th kind of tin plating copper core flexible conductor for meeting GB GB/T2956-2008 regulations.
3. flexible AC rated voltage 3kV rail transit rolling stock cables according to claim 1, its feature exists
In：Described separation layer is using the electricity with soft pliable every paper material.
4. flexible AC rated voltage 3kV rail transit rolling stock cables according to claim 1, its feature exists
In：Described inner insulating layer is using the EP rubbers mixture elastomeric material having compared with high-flexibility and excellent electrical.
5. flexible AC rated voltage 3kV rail transit rolling stock cables according to claim 1, its feature exists
In：Described external insulation layer is used can be while the halide-free rubber elastomer material of resistance to mineral oil and fuel oil with good oil resistance
Material.
6. a kind of flexible AC rated voltage 3kV rail transit rolling stock electricity consumptions as described in claim 1-5 any one
The preparation method of cable, it is characterised in that：Comprise the following steps：
1）Using meeting the tin plating copper core flexible conductor of the class formations of GB/T3956-2008 the 6th, conductor production is by wire drawing-move back for conductor
Fire-tin plating-synnema-twist several stages again, first passes through and copper single line is formed into strand using bundle strand, then passes through strand
Mode being twisted again and forming conductor, production process is completed by wire drawing machine, annealing machine, tin machine, strand winder and wire twisting machine；
2）Separation layer uses wrapped form, by winding machine while conductor bundle strand, overlaps wrapped in conductive surface, formation
Separation layer.
7.3）The preparation of inner insulating layer：EP rubbers and vulcanizing agent, reinforcing agent, age resistor, reinforcing agent are mixed, by close
Mill and mill are kneaded, and are made performance and are met the requirements, and are adapted to the elastomeric compound of extrusion；EP rubbers uses
The mouth Dow Chemical trade mark is 3722P, by adding the EP rubbers mixture elastomeric material that various compounding ingredients are made；
4）The preparation of outer insulation：It is base-material to use EVA ethylene-vinyl acetate copolymers, the not halogen-containing vulcanizing agent of addition,
Reinforcing agent, age resistor, filler are carried out mixing and are kneaded by banbury and mill, are made the satisfactory rubber of performance
Elastomeric material；
5）Inner insulating layer and external insulation layer are completed by double-layer coextrusion continuous vulcanization equipment, are adjusted by the distance for adjusting each layer mould
Whole good extrusion pressure, while accurately to carry out school mould, prevents extrusion from occurring eccentric, specifically by Φ 90,120 two screw rod major diameters of Φ
Than 16：1 rubber extruding machine is disposably extruded in insulation surface by squeezing head, forms closely one；Then extrude
Insulating barrier heat continuous vulcanization through closed high steam pipeline, then through closed high-pressure cooling water pipeline, core is carried out
The fixed shaping of cooling, whole device is automatically continuously complete using high steam vulcanization, water cooling pipeline；It is main in production process
Technological parameter is：The extrusion interior insulations of Ф 90 squeeze rubber plasticization temperature：55 ~ 85 DEG C, wherein feeding section is 55 DEG C, and fluxing zone is 75 ~ 85
DEG C, the extrusion external insulations of Ф 120 squeeze rubber plasticization temperature：65 ~ 90 DEG C, wherein feeding section is 65 DEG C, and fluxing zone is 85 ~ 90 DEG C, steam
The Stress control of pipeline section between 0.8 ~ 1.0MPa, wire velocity control between 6 ~ 10min/m, according to steam pressure and linear velocity
The two carries out appropriate collocation adjustment, it is ensured that insulation rubber obtains full cure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138193.2A CN106782823A (en) | 2016-12-12 | 2016-12-12 | Flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611138193.2A CN106782823A (en) | 2016-12-12 | 2016-12-12 | Flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106782823A true CN106782823A (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611138193.2A Pending CN106782823A (en) | 2016-12-12 | 2016-12-12 | Flexible AC rated voltage 3kV rail transit rolling stock cables and preparation method thereof |
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| CN (1) | CN106782823A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945969A (en) * | 2017-12-26 | 2018-04-20 | 无锡市明珠电缆有限公司 | A kind of orbit traffic direct current traction combination flexible cable and preparation method thereof |
| CN109326377A (en) * | 2018-11-19 | 2019-02-12 | 无锡市明珠电缆有限公司 | A kind of electric power safeguard special vehicle locomotive cable and preparation method thereof |
| CN110718335A (en) * | 2019-10-08 | 2020-01-21 | 江苏上上电缆集团有限公司 | Manufacturing method of thin rubber insulation cable for railway vehicle and cable |
| CN114496359A (en) * | 2022-01-27 | 2022-05-13 | 双登电缆股份有限公司 | Novel direct-current flexible cable for rail transit and preparation method thereof |
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| CN2590782Y (en) * | 2002-12-27 | 2003-12-10 | 江苏上上电缆集团有限公司 | Rated voltage 3KV and below 125 degree centigrade railway engine cable |
| CN201392676Y (en) * | 2009-04-10 | 2010-01-27 | 安徽天龙电器线缆集团有限公司 | Thin insulating single-core cable for rolling stock |
| CN203232718U (en) * | 2013-02-21 | 2013-10-09 | 远东电缆有限公司 | Halogen free smoke low environmental friendly high flame retardation steam vulcanized silicone rubber cable |
| CN103594179A (en) * | 2013-11-25 | 2014-02-19 | 无锡市明珠电缆有限公司 | Environment-friendly flame-retardant low-temperature-resistant torsion-resistant wind energy cable |
| CN104332245A (en) * | 2014-10-29 | 2015-02-04 | 无锡市明珠电缆有限公司 | Novel flexible and bending resistant type DC pulling cable of rail transit and preparation method of DC pulling cable |
-
2016
- 2016-12-12 CN CN201611138193.2A patent/CN106782823A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590782Y (en) * | 2002-12-27 | 2003-12-10 | 江苏上上电缆集团有限公司 | Rated voltage 3KV and below 125 degree centigrade railway engine cable |
| CN201392676Y (en) * | 2009-04-10 | 2010-01-27 | 安徽天龙电器线缆集团有限公司 | Thin insulating single-core cable for rolling stock |
| CN203232718U (en) * | 2013-02-21 | 2013-10-09 | 远东电缆有限公司 | Halogen free smoke low environmental friendly high flame retardation steam vulcanized silicone rubber cable |
| CN103594179A (en) * | 2013-11-25 | 2014-02-19 | 无锡市明珠电缆有限公司 | Environment-friendly flame-retardant low-temperature-resistant torsion-resistant wind energy cable |
| CN104332245A (en) * | 2014-10-29 | 2015-02-04 | 无锡市明珠电缆有限公司 | Novel flexible and bending resistant type DC pulling cable of rail transit and preparation method of DC pulling cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945969A (en) * | 2017-12-26 | 2018-04-20 | 无锡市明珠电缆有限公司 | A kind of orbit traffic direct current traction combination flexible cable and preparation method thereof |
| CN109326377A (en) * | 2018-11-19 | 2019-02-12 | 无锡市明珠电缆有限公司 | A kind of electric power safeguard special vehicle locomotive cable and preparation method thereof |
| CN110718335A (en) * | 2019-10-08 | 2020-01-21 | 江苏上上电缆集团有限公司 | Manufacturing method of thin rubber insulation cable for railway vehicle and cable |
| CN114496359A (en) * | 2022-01-27 | 2022-05-13 | 双登电缆股份有限公司 | Novel direct-current flexible cable for rail transit and preparation method thereof |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |