CN110098006A - A kind of B1 grades of fire-retardant railway Signal cable and its preparation method - Google Patents

A kind of B1 grades of fire-retardant railway Signal cable and its preparation method Download PDF

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Publication number
CN110098006A
CN110098006A CN201910350458.2A CN201910350458A CN110098006A CN 110098006 A CN110098006 A CN 110098006A CN 201910350458 A CN201910350458 A CN 201910350458A CN 110098006 A CN110098006 A CN 110098006A
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China
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layer
retardant
flame
fire
alkali
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沈小平
周江
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Tongding Interconnection Information Co Ltd
Jiangsu Tongding Optic Electronic Stock Co Ltd
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Tongding Interconnection Information Co Ltd
Jiangsu Tongding Optic Electronic Stock Co Ltd
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Priority to CN201910350458.2A priority Critical patent/CN110098006A/en
Publication of CN110098006A publication Critical patent/CN110098006A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • 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
    • H01B3/44—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 vinyl resins; acrylic resins
    • 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
    • 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
    • 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
    • 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
    • H01B7/186—Sheaths comprising longitudinal lapped non-metallic layers
    • 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
    • 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
    • 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
    • H01B7/226—Helicoidally wound metal wires or tapes
    • 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
    • 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
    • H01B7/2806—Protection against damage caused by corrosion
    • 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
    • H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • 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
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • 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
    • H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/361—Insulated conductors or cables characterised by their form with distinguishing or length marks being the colour of the insulation or conductor

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  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

This application involves a kind of B1 grades of fire-retardant railway signal cables, including the sheath coated outside cable core and cable core, the cable core includes at least one conducting wire group, conducting wire group includes the insulated single wire of the twisted setting of several phases, insulated single wire includes conductor, the insulating layer of conductor outer cladding and the single line belting layer of insulating layer outer cladding, it is successively coated with bundle yarn from inside to outside outside the conducting wire group, alkali-free glass fibre braiding layer and conducting wire group belting layer, the sheath is successively coated with cable core belting layer from inside to outside, first flame-retardant layer, aluminum plastic belt shielded layer, second flame-retardant layer, third flame-retardant layer, steel-tape armouring layer, 4th flame-retardant layer and oversheath.Structure of the invention is rationally simple, manufactures and is easy, and service performance is good, and cable has the performances such as superior thermal stability, moisture resistance, mechanical and physical performance, high flame resistance and high temperature resistant, high safety and reliability.

Description

A kind of B1 grades of fire-retardant railway Signal cable and its preparation method
Technical field
The application belongs to field of cable technology, more particularly, to a kind of B1 grades of fire-retardant railway signal cable and its manufacturer Method.
Background technique
With the multiple speed-raising of railway, cable is not required nothing more than with general characteristic, and there should be cracking resistance, Halogen, low Cigarette, performance fire-retardant, the service life is long will also have specific environment resistant.Currently, extraordinary serious natural calamities generation is increasingly frequent, by Its fire, nuclear safety risk etc. for causing also increasingly attract people's attention.As Chinese patent CN208284260U discloses one kind Rolling stock high temperature power cable with special combustibility, including core, warp resistance layer, metal screen layer, mounting layer, Mounting groove, heat insulation layer, waterproof layer, erosion resistant coating, external sheath layer, the core include internal core, external core, the inner wire Core is mounted on the middle position of mounting layer, and passing through array on the mounting layer outside has mounting groove, and the external core is logical It crosses array to be mounted on mounting groove, the warp resistance of metal screen layer and aramid fiber yarn braiding composition is successively enclosed on the outside of the core Layer, described more external cores are mounted in heat insulation layer by extrusion moulding, and height is successively enclosed with outside the heat insulation layer outer layer Elastic waterproof layer, acid and alkali-resistance, oil resistant high molecular material constitute erosion resistant coating, low smoke halogen-free flame-retardant polyolefin external sheath layer.But It is central nervous system of the railway signal cable as railway, generally along its track laying in rail flanges, cable is for a long time at this It works under the occasion of sample, above-mentioned cable cannot withstand intense radiation, or cable flame retardance can not meet when encountering fire after laying Live disaster relief requirement, especially the self-extinguish time is long after the cable fire of poor flame retardant properties, brings to disaster relief work greatly tired Difficulty causes bigger injury and loss.
Summary of the invention
The technical problem to be solved by the present invention is to solve the deficiency of cable-flame retardant in the prior art, to provide one Kind has reliable service life, and thermal stability, moisture resistance, anti-flammability, high temperature resistance are excellent, and B1 grades with long service life fire-retardant Railway Signal cable and its preparation method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of B1 grades of fire-retardant railway signal cable, including the sheath coated outside cable core and cable core, the cable core includes extremely A few conducting wire group, conducting wire group include the insulated single wire of the twisted setting of several phases, and insulated single wire includes conductor, conductor outer cladding The single line belting layer of insulating layer and insulating layer outer cladding is successively coated with outside the conducting wire group from inside to outside and pricks yarn, alkali-free glass Glass fiber braiding layer and conducting wire group belting layer, the sheath are successively coated with cable core belting layer, the first flame-retardant layer, aluminium from inside to outside Modeling band shielded layer, the second flame-retardant layer, third flame-retardant layer, steel-tape armouring layer, the 4th flame-retardant layer and oversheath.
The conducting wire group includes the insulated single wire that 4 different colours are mutually twisted setting in one of the embodiments,.
The single line belting layer, conducting wire group belting layer, the first flame-retardant layer, third flame-retardant layer in one of the embodiments, It is wrapped by alkali-free glass fibre band with the 4th flame-retardant layer.
The wrapped Duplication of alkali-free glass fibre band is not less than the alkali-free glass fibre in one of the embodiments, 15% with bandwidth.
The alkali-free glass fibre braiding layer is to pass through braiding using alkali-free glass fibre silk in one of the embodiments, Mesh grid made of craft woven, braiding tightness are not less than 90%.
The aluminum plastic belt shielded layer is the double plastic-coated using thickness not less than 0.18mm in one of the embodiments, Aluminium-plastic tape is made.
The aluminum plastic belt shielded layer is that aluminium-plastic tape passes through embossing longitudinal wrap technique longitudinal wrap in one of the embodiments, At longitudinal wrap lap width is not less than 6mm.
Second flame-retardant layer uses thermoplastic low-smoke halide-free fireproof composite polyolefine material in one of the embodiments, thick Degree is 1.0~1.8mm；The oversheath uses thermoplastic low-smoke halide-free fireproof composite polyolefine material, with a thickness of 1.8~3.0mm.
The steel-tape armouring layer uses zinc-plated double steel bands left-hand outside the third flame-retardant layer in one of the embodiments, Gap between screw is wrapped to be formed, and zinc-plated double steel bands account for the 44%~46% of zinc-plated double steel band bandwidth around Inter-packet gap.
A kind of B1 grades of fire-retardant railway signal cable manufacturing method, for manufacturing such as aforementioned described in any item B1 grades of fire-retardant iron Road signal cable, method the following steps are included:
Step 10, using wire drawing extrusion molding tandem production line by copper wire drawing at copper conductor, and one layer of extrusion molding outside copper conductor The insulated single wire is made in insulating layer；
Step 20, several insulated single wires are twisted using high speed star quadding machine, and institute is made in the bundle yarn wrapped outside Conducting wire group is stated, several conducting wire groups are made by twisting the cable core using machine for making cable high-speedly together；
Step 30, in one layer of cable core belting layer of the cable core outer cladding and the alkali-free glass fibre band, using rolling Line longitudinal wrap technique uses outside aluminum plastic belt shielded layer in one layer of the outer cladding aluminum plastic belt shielded layer of the alkali-free glass fibre band One layer of high fire-retardance oxygen barrier layer of technique extrusion molding is extruded, one layer of alkali-free is coated using around-packing technology outside the high fire-retardance oxygen barrier layer Glass fiber tape, using high speed armoring machine by armoured process in one layer of the outer cladding steel band armour of the alkali-free glass fibre band Layer is filled, one layer of alkali-free glass fibre band is coated using around-packing technology outside steel-tape armouring layer, using extruding technique described Alkali-free glass fibre band one layer of oversheath of outer extrusion molding.
The beneficial effects of the present invention are: structure of the invention is rationally simple, manufactures and be easy, service performance is good, cable tool There are the performances such as superior thermal stability, moisture resistance, mechanical and physical performance, high flame resistance and high temperature resistant, high safety and reliability.
Detailed description of the invention
The technical solution of the application is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the fire-retardant railway signal cable structural schematic diagram of B1 grade of the embodiment of the present application.
Appended drawing reference in figure are as follows: 1, insulated single wire；2, conductor；3, insulating layer；4, single line belting layer；5, conducting wire group；6, Prick yarn；7, alkali-free glass wool braiding layer；8, conducting wire group belting layer；9, cable core belting layer；10, the first flame-retardant layer；11, aluminum plastic belt screen Cover layer；12, the second flame-retardant layer；13, third flame-retardant layer；14, steel-tape armouring layer；15, the 4th flame-retardant layer；16, oversheath.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the application and simplifies description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the application protection scope.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.In the description of the invention, unless separately It is described, the meaning of " plurality " is two or more.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in this application.
It is described in detail the technical solution of the application below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of B1 grades of fire-retardant railway signal cable, including the sheath coated outside cable core and cable core, cable core includes at least one A conducting wire group 5, conducting wire group 5 include the insulated single wire 1 of the twisted setting of several phases, and insulated single wire 1 includes conductor 2,2 outer cladding of conductor 3 outer cladding of insulating layer 3 and insulating layer single line belting layer 4, be successively coated with outside conducting wire group 5 from inside to outside and prick yarn 6, alkali-free Fiberglass braided layer 7 and conducting wire group belting layer 8, sheath are successively coated with the cable core belting layer for coating cable core from inside to outside 9, the first flame-retardant layer 10, aluminum plastic belt shielded layer 11, the second flame-retardant layer 12, third flame-retardant layer 13, steel-tape armouring layer the 14, the 4th are fire-retardant Layer 15 and oversheath 16.Conducting wire group 5 includes the insulated single wire that 4 different colours are mutually twisted setting in one of the embodiments, 1, in other examples, conducting wire group 5 includes the insulated single wire 1 that 2 different colours are mutually twisted setting.Wherein, insulating layer 3 selects With the cable-grade HDPE insulating material with excellent ageing-resistant performance and mechanical strength, resisting environmental stress and cracking test (degradation) is greater than 500 hours, and low density polyethylene (LDPE) is only 48 hours.The moisture permeability of such insulating layer 3, mechanical strength, Wear resistance and anti-aging property obviously higher than other types of polyethylene and its cleanliness is high, dielectricity is good, dielectric loss and Dielectric constant is small.
Single line belting layer 4, conducting wire group belting layer 8, the first flame-retardant layer 10, third flame-retardant layer in one of the embodiments, 13 and the 4th flame-retardant layer 15 it is wrapped by alkali-free glass fibre band.Alkali-free glass fibre band is wrapped heavy in one of the embodiments, Folded rate is not less than 15% of alkali-free glass fibre with bandwidth.Make cable that not only there is high flame-retardant property, and has anti-well Mouse effect.
Alkali-free glass fibre braiding layer 7 is the alkali-free glass for being not less than 0.1mm using diameter in one of the embodiments, Mesh grid made of fiber filament is woven by weaving, braiding tightness are not less than 90%.Such glass fiber is used Weaving disposal molding is coated on outside high fire-retardance casing, and process equipment and technique are all fairly simple, and alkali-free glass fibre There is braiding layer 7 good fire retardant performance, anti-tensile to draw, while soft pliable is bent.
Aluminum plastic belt shielded layer 11 is the aluminium of the double plastic-coated using thickness not less than 0.18mm in one of the embodiments, Plastic composite strip is made.Aluminum plastic belt shielded layer 11 is that aluminium-plastic tape is vertical by embossing longitudinal wrap technique in one of the embodiments, It wraps, longitudinal wrap lap width is not less than 6mm.Thus obtained shielded layer shield effectiveness is good, high mechanical strength, bendability Can be good, it can effectively improve cable toughness deficiency, shielded layer easy fracture problem during alternating bending, laying installation.
The second flame-retardant layer 12 uses thermoplastic low-smoke halide-free fireproof composite polyolefine material, thickness in one of the embodiments, For 1.0~1.8mm.Second flame-retardant layer 12 is high fire-retardance oxygen barrier layer, the moral new material Co., Ltd of the oxygen barrier preferred Shanghai side of layered material Model specification is the thermoplastic low-smoke halogen-free flame-resistant polyolefin oxygen barrier CABLE MATERIALS of FZD 1502.Not only oxygen refers to high fire-retardance oxygen barrier layer Number is high, and has fabulous heat-insulated and oxygen barrier, and when burning releases without halogen acid gas, toxicity corrosive gas burst size pole Few, the smokescope of generation is low, has splendid flame retardant property and processing performance.The first, third and the 4th flame-retardant layer can be used Other traditional fire proofings, can also be used thermoplastic low-smoke halide-free fireproof composite polyolefine material same as the second flame-retardant layer 12.Outside Sheath 16 is high fire-retardance oversheath, and oversheath 16 uses thermoplastic low-smoke halide-free fireproof composite polyolefine material, with a thickness of 1.8~ 3.0mm.Moral new material Co., Ltd's model specification of the preferred Shanghai side of oversheath 16 is the high fire-retardance thermoplasticity of FZD 1680GB Low smoke halogen-free fire retardant polyolefin cable material.High fire-retardance oversheath has superior high temperature resistance, anti-fatigue performance, wearability Energy, corrosion resistance, flame retardant property and chemical stability are good, extend cable service life.
Steel-tape armouring layer 14 uses zinc-plated double steel bands outside third flame-retardant layer between sinistral coiling in one of the embodiments, Gap is wrapped to be formed, and for the resistance to compression shielding properties for guaranteeing cable, zinc-plated double steel bands account for zinc-plated double steel band bandwidth around Inter-packet gap 44%~46%, such as 44% or 45% or 46%.Above-mentioned armor make cable have superior shielding, heatproof, moisture-proof, resistance to compression, Anti- animal tooth such as stings at the functions.
A kind of B1 grades of fire-retardant railway signal cable manufacturing method, for manufacturing B1 grades as the aforementioned fire-retardant railway signal electricity Cable, method the following steps are included:
Step 10, using wire drawing extrusion molding tandem production line by copper wire drawing at the copper conductor for meeting technical requirements, and in copper Insulated single wire 1 is made in outer one layer insulating of extrusion molding of conductor；
Step 20, several insulated single wires 1 are twisted using high speed star quadding machine, such as the insulated single wire 1 of 4 different colours It is twisted, and conducting wire group 5 is made around wrapping yarn outside, several conducting wire groups 5 are made by twisting cable using machine for making cable high-speedly together Core；
Step 30, in one layer of cable core belting layer 9 of cable core outer cladding and alkali-free glass fibre band, existed using embossing longitudinal wrap technique Alkali-free glass fibre band one layer of aluminum plastic belt shielded layer 11 of outer cladding, uses outside aluminum plastic belt shielded layer 11 and extrudes one layer of technique extrusion molding High fire-retardance oxygen barrier layer (the second flame-retardant layer 12) coats one layer of alkali-free glass fibre using around-packing technology outside high fire-retardance oxygen barrier layer Band, using high speed armoring machine by armoured process in alkali-free glass fibre band one layer of steel-tape armouring layer 14 of outer cladding, in steel band armour It fills and one layer of alkali-free glass fibre band is coated using around-packing technology outside layer 14, using extruding technique extrusion molding outside alkali-free glass fibre band The fire-retardant railway signal cable of B1 grade of the present embodiment is made in one layer of oversheath 16.
To ensure that cable items electricity function index is qualified, in process of production, wired group of institute must keep opening in cable core Power is consistent, and the setting range of stranding twisting pitch is 35~55 times of conductor assembly outer diameter.
In conclusion it is easy to manufacture, service performance the beneficial effects of the present invention are: structure of the invention is rationally simple Good, cable has the performances such as superior thermal stability, moisture resistance, mechanical and physical performance, high flame resistance and high temperature resistant, safely may be used By property height.
It is enlightenment with the above-mentioned desirable embodiment according to the application, through the above description, relevant staff is complete Full various changes and amendments can be carried out in the range of without departing from this item application technical idea.The technology of this item application Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. a kind of B1 grades of fire-retardant railway signal cable, which is characterized in that including the sheath coated outside cable core and cable core, the cable Core includes at least one conducting wire group, and conducting wire group includes the insulated single wire of the twisted setting of several phases, and insulated single wire includes conductor, conductor The insulating layer of outer cladding and the single line belting layer of insulating layer outer cladding are successively coated with bundle outside the conducting wire group from inside to outside Yarn, alkali-free glass fibre braiding layer and conducting wire group belting layer, the sheath are successively coated with cable core belting layer, first from inside to outside Flame-retardant layer, aluminum plastic belt shielded layer, the second flame-retardant layer, third flame-retardant layer, steel-tape armouring layer, the 4th flame-retardant layer and oversheath.
2. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that the conducting wire group include 4 not The insulated single wire of setting is mutually twisted with color.
3. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that the single line belting layer, conducting wire Group belting layer, the first flame-retardant layer, third flame-retardant layer and the 4th flame-retardant layer are wrapped by alkali-free glass fibre band.
4. B1 grades of fire-retardant railway signal cable according to claim 3, which is characterized in that the alkali-free glass fibre band around Packet Duplication is not less than 15% of the alkali-free glass fibre with bandwidth.
5. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that the alkali-free glass fibre braiding Layer is the mesh grid made of alkali-free glass fibre silk is woven by weaving, and braiding tightness is not less than 90%.
6. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that the aluminum plastic belt shielded layer is to adopt The aluminium-plastic tape of double plastic-coated with thickness not less than 0.18mm is made.
7. B1 grades of fire-retardant railway signal cable according to claim 6, which is characterized in that the aluminum plastic belt shielded layer is aluminium Plastic composite strip is formed by embossing longitudinal wrap technique longitudinal wrap, and longitudinal wrap lap width is not less than 6mm.
8. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that second flame-retardant layer is using warm Plasticity low smoke halogen-free flame-retardant polyolefin material, with a thickness of 1.0~1.8mm；The oversheath uses thermoplastic low-smoke halogen-free flame-resistant Polyolefin material, with a thickness of 1.8~3.0mm.
9. B1 grades of fire-retardant railway signal cable according to claim 1, which is characterized in that the steel-tape armouring layer is using plating Sinistral coiling gap is wrapped outside the third flame-retardant layer forms for the double steel bands of zinc, and accounting for around Inter-packet gap for zinc-plated double steel bands is described The 44%~46% of zinc-plated double steel band bandwidth.
10. a kind of B1 grades of fire-retardant railway signal cable manufacturing method, for manufacturing such as any item of preceding claims 1~9 The fire-retardant railway signal cable of B1 grade, which is characterized in that method the following steps are included:
Step 10, using wire drawing extrusion molding tandem production line by copper wire drawing at copper conductor, and outside copper conductor one layer of extrusion molding insulation The insulated single wire is made in layer；
Step 20, several insulated single wires are twisted using high speed star quadding machine, and described lead is made in the bundle yarn wrapped outside Several conducting wire groups are made by twisting the cable core using machine for making cable high-speedly by line group together；
Step 30, vertical using embossing in one layer of cable core belting layer of the cable core outer cladding and the alkali-free glass fibre band Skill of undertaking to perform work within a time limit and according to specifications is used outside aluminum plastic belt shielded layer and is extruded in one layer of the outer cladding aluminum plastic belt shielded layer of the alkali-free glass fibre band One layer of high fire-retardance oxygen barrier layer of technique extrusion molding coats one layer of alkali-free glass using around-packing technology outside the high fire-retardance oxygen barrier layer Fiber band, using high speed armoring machine by armoured process in described alkali-free glass fibre band one layer of steel-tape armouring of outer cladding Layer coats one layer of alkali-free glass fibre band using around-packing technology outside steel-tape armouring layer, using extruding technique in the nothing Alkali containing glass fibre band one layer of oversheath of outer extrusion molding.
CN201910350458.2A 2019-04-28 2019-04-28 A kind of B1 grades of fire-retardant railway Signal cable and its preparation method Pending CN110098006A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491588A (en) * 2019-09-19 2019-11-22 江苏亨通电力电缆有限公司 A kind of novel rail eraser sheath DC traction cable and preparation method thereof
CN110600174A (en) * 2019-09-26 2019-12-20 湖北宇洪光电实业有限公司 Multifunctional non-combustible bus cable for high-speed railway locomotive
CN112768148A (en) * 2020-12-28 2021-05-07 吴江市通号线缆有限公司 High-reliability signal transmission cable production process
CN113066610A (en) * 2021-04-29 2021-07-02 上海飞航电线电缆有限公司 Low-smoke halogen-free layered isolation type 10kV medium-voltage fire-resistant cable
CN114758823A (en) * 2022-04-02 2022-07-15 扬州曙光电缆股份有限公司 B1-grade fireproof cable for rail transit key projects

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207602277U (en) * 2017-10-27 2018-07-10 江苏赛特电气有限公司 A kind of novel low smoke zero halogen fire resistant fireproof control cable
CN109411116A (en) * 2018-10-29 2019-03-01 通鼎互联信息股份有限公司 A kind of high fire-retardance railway signal cable

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207602277U (en) * 2017-10-27 2018-07-10 江苏赛特电气有限公司 A kind of novel low smoke zero halogen fire resistant fireproof control cable
CN109411116A (en) * 2018-10-29 2019-03-01 通鼎互联信息股份有限公司 A kind of high fire-retardance railway signal cable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491588A (en) * 2019-09-19 2019-11-22 江苏亨通电力电缆有限公司 A kind of novel rail eraser sheath DC traction cable and preparation method thereof
CN110600174A (en) * 2019-09-26 2019-12-20 湖北宇洪光电实业有限公司 Multifunctional non-combustible bus cable for high-speed railway locomotive
CN112768148A (en) * 2020-12-28 2021-05-07 吴江市通号线缆有限公司 High-reliability signal transmission cable production process
CN113066610A (en) * 2021-04-29 2021-07-02 上海飞航电线电缆有限公司 Low-smoke halogen-free layered isolation type 10kV medium-voltage fire-resistant cable
CN114758823A (en) * 2022-04-02 2022-07-15 扬州曙光电缆股份有限公司 B1-grade fireproof cable for rail transit key projects
CN114758823B (en) * 2022-04-02 2022-10-21 扬州曙光电缆股份有限公司 B1-level fireproof cable for rail transit key engineering

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