CN106952688B - A kind of production method of spring sheathed structure optoelectrical cable - Google Patents
A kind of production method of spring sheathed structure optoelectrical cable Download PDFInfo
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- CN106952688B CN106952688B CN201710336287.9A CN201710336287A CN106952688B CN 106952688 B CN106952688 B CN 106952688B CN 201710336287 A CN201710336287 A CN 201710336287A CN 106952688 B CN106952688 B CN 106952688B
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- optical guide
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- 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
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- 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
- H01B13/02—Stranding-up
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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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
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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
- H01B7/1895—Internal space filling-up means
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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
- H01B7/226—Helicoidally wound metal wires or tapes
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention belongs to optical cable technical fields, more particularly, to a kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：The step of the step of the step of manufacturing tight tube fiber, manufacture optical guide unit, manufacture cable core, forms the step of protective layer, forms the step of restrictive coating.Present invention further teaches spring sheathed structure optoelectrical cables.Manufacturing method of the present invention is simple, the advantages of easily grasping, and does not need complicated armor former, saves the investment of equipment.Optical cable of the present invention has following main advantageous effects：Weight is lighter, more compact structure, electrical overload ability are stronger, the optic communication ability under high temperature is more stable.
Description
The application is entitled：A kind of manufacturing method of spring sheathed structure optoelectrical cable, application No. is：
201610941432.1, the applying date be：The divisional application of the application for a patent for invention on October 25th, 2016.
Technical field
The invention belongs to optical cable technical fields, more particularly, to a kind of spring sheathed structure optoelectrical cable and its production
Method.
Background technique
With the development of fiber optic communication industry, the paces of signal transmission aspect light entering and copper back are increasingly accelerated, since optical fiber has
There is small in size, light-weight, good confidentiality, with wide, the service life is long, electromagnetic-radiation-free etc., therefore is run quotient and is favored, for this purpose,
The a large amount of research carried out in industry for optoelectrical cable.Such as：Publication No.：The document of CN103325464A discloses base station
With remote radio photoelectric composite cable, it is characterised in that：It includes cable, optical cable, center reinforcemen and oversheath, cylindrical electricity
Cable and cylindrical optical cable are set to the inside of oversheath, and center reinforcemen is set at the center of oversheath, and cable includes more
Root conducting wire and conductor protective layer, multiple conducting wires are set to the inside of conductor protective layer；Optical cable include tight tube fiber, spiral armour pipe and
Wire sheathing, tight tube fiber are set in inside spiral armour pipe, and the outside of spiral armour pipe is provided with wire sheathing.
Notification number is that the document of CN203218017U discloses a kind of base station remote radio photoelectric mixed cable, including outer shield
Set, it is characterised in that：It is equipped with several aramid fiber reinforcers and copper conductor in the oversheath, is equipped with spiral armour in aramid fiber reinforcer
Pipe, spiral armour pipe is interior to be equipped with tight tube fiber, is equipped with center reinforcemen in oversheath.
Notification number is that the document of CN203617024U discloses remote radio head photoelectric mixed cable, it is characterised in that：
It is made of light unit part, electric unit part, center reinforcemen, shielded layer, oversheath, center reinforcemen setting is in mixing cable
The heart, light unit and electric unit and gasket for packing are twisted into cable core centered on center reinforcemen in a manner of " SZ ", outside cable core successively
Coat band, shielded layer, oversheath.
The indoor type photoelectricity that the document that notification number is CN204178810U discloses a kind of wireless radio remote unit is mixed
Close cable, it is characterised in that：It is made of cable core with the band that blocks water, shielded layer, the oversheath being coated on outside cable core, cable core is by single light
Cable, copper conductor composition, water resistance aramid fiber setting cable core gap, single fiber cable and copper conductor spiral twist and by way of stranding,
Block water band, shielded layer, oversheath is successively coated on outside cable core.
The document that notification number is CN203839129U discloses a kind of lock armo and zooms out optoelectronic composite cable, and feature exists
In, including：Center reinforcemen, optical cable unit, cable unit, packing material, water blocking layer, lock armo layer and oversheath, it is described
Center reinforcemen and optoelectronic composite cable are coaxially disposed, and the optical cable unit, cable unit, packing material are arranged around center reinforcemen
Cloth is simultaneously twisted into a single integrated structure intertwist body, and for the water blocking layer longitudinal wrap outside intertwist body, the lock armo layer is coated on resistance
Outside water layer, the oversheath is extruded outside lock armo layer.
Notification number discloses the super soft type of one kind for the document of CN204270724U and zooms out photoelectric mixed cable, which is characterized in that
The coat for coating one layer of resin outside by optical fiber extrudes tight sleeve layer outside coat, cladding aramid fiber in longitudinal direction outside tight sleeve layer, outside aramid fiber
It extrudes inner sheath and constitutes single fiber cable, be twisted into such a way that spiral is twisted by two single fiber cables and two multiply annealed copper wires
Cable core is twisted high-intensitive reinforcement aramid fiber outside cable core, extrudes polyurethane jacket outside aramid fiber.
Above-mentioned mixing cable or composite rope can be used in optical signal and power transmission between the tower top of steel tower and tower bottom, with
And tower bottom is to the transmission of computer room, and still, since the comprehensive cable being located outside is in relatively rugged environment, and the high temperature resistant of optical fiber
It is limited, for this purpose, during the broiling summer, the transmission performance of optical signal is not very ideal.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is disclose a kind of spring sheathed structure optoelectrical cable and its production
Method, they adopt the following technical solutions to realize.
In embodiment 1 of the invention, a kind of spring sheathed structure optoelectrical cable by cable core, is coated on except cable core
Protective layer, restrictive coating except protective layer constitutes；Cable core is by twisted three of center reinforcemen, contour center reinforcemen
Insulated conductor and an optical guide unit, four gasket for packings are constituted, and have one in the external series gap that two adjacent insulated conductors are formed
Have in the external series gap that root and all circumscribed gasket for packing of insulated conductor and protective layer, insulated conductor and adjacent optical guide unit are formed
A piece gasket for packing all circumscribed with insulated conductor, optical guide unit and protective layer, the diameter of insulated conductor and the diameter of optical guide unit
It is equally big, adjacent insulated conductor be mutually circumscribed, optical guide unit with adjacent insulated conductor be mutually circumscribed, insulated conductor with
Center reinforcemen is mutually circumscribed, optical guide unit and center reinforcemen are mutually circumscribed；The insulated conductor is by conductor and is coated on outside conductor
Insulating layer constitute, the optical guide unit by tight tube fiber, the armor except tight tube fiber, except armor
Enhancement layer and the sheath except enhancement layer are constituted；It is characterized in that：The armor is by armor ontology one-way spiral
Coiling forms, be between the adjacent turn of armor ontology be close to, armor body interior have along axially through armor
Inner hole, diameter/armor ontology diameter=0.125~0.5 of armor inner hole；In working condition, armor inner hole has
Cooling medium.
In embodiment 2 of the invention, a kind of spring sheathed structure optoelectrical cable by cable core, is coated on except cable core
Protective layer, restrictive coating except protective layer constitutes；Cable core is by twisted three of center reinforcemen, contour center reinforcemen
Insulated conductor and an optical guide unit, four gasket for packings are constituted, and have one in the external series gap that two adjacent insulated conductors are formed
Have in the external series gap that root and all circumscribed gasket for packing of insulated conductor and protective layer, insulated conductor and adjacent optical guide unit are formed
A piece gasket for packing all circumscribed with insulated conductor, optical guide unit and protective layer, the diameter of insulated conductor and the diameter of optical guide unit
It is equally big, adjacent insulated conductor be mutually circumscribed, optical guide unit with adjacent insulated conductor be mutually circumscribed, insulated conductor with
Center reinforcemen is mutually circumscribed, optical guide unit and center reinforcemen are mutually circumscribed；The insulated conductor is by conductor and is coated on outside conductor
Insulating layer constitute, the optical guide unit by tight tube fiber, the armor except tight tube fiber, except armor
Enhancement layer and the sheath except enhancement layer are constituted；It is characterized in that：The armor is by armor ontology one-way spiral
Coiling forms, and has gap, referred to as turn-to-turn gap between the adjacent turn of armor ontology, and turn-to-turn gap is less than the diameter of tight tube fiber
And it is greater than zero；Armor body interior have along axially through armor inner hole, diameter/armor ontology of armor inner hole
Diameter=0.125~0.5；In working condition, armor inner hole has cooling medium.
A kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：
The first step：The step of manufacturing tight tube fiber：It takes nylon or polytetrafluoroethylene (PTFE) to be placed in fixed extruder to melt, and takes
Or G.653 or G.654 or G.655 or G.657 G.652 or A1a or A1b type optical fiber passes through the fixed mold core for squeezing out head
Hole is coated on nylon or polytetrafluoroethylene (PTFE) outside optical fiber and forms tight tube fiber；
Second step：The step of manufacturing optical guide unit：Armor shaping dies is fixed on tight tube fiber and puts fine frame front end, institute
Armor shaping dies is stated by the attachment base, anti-back end, shaping dies ontology, the configured ends structure that successively connect and be formed as one
At anti-back end is rotary table cylinder shape, and the biggish one end of anti-back end section connects with the other end of attachment base, on shaping dies ontology
With continuous helicla flute, configured ends are rotary table cylinder shape, forming biggish one end of end section and the shaping dies ontology other end
Connect, have inside armor shaping dies axially through shaped hole, by the connecting hole on attachment base by armor at
Shape mold is fixed on tight tube fiber and puts in front of fine frame；The tight tube fiber that the first step is formed is drawn and puts fine frame from optical fiber and is released simultaneously
Tight tube fiber is set to pass through the shaped hole in armor shaping dies center, armor bulk material is from anti-back end and shaping dies ontology
Junction along helicla flute continuously to forming extreme direction conveying, molding armor slide into outer diameter successively reduce at
It outside shape end and constantly draws, and helical coated forms armor outside tight tube fiber, it is twisted outside armor to place more aramid fibers
Yarn forms enhancement layer, takes polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE) extrusion molding to be coated on outside enhancement layer and forms interior shield
Layer, completes the manufacture of optical guide unit；Wherein, have inside armor bulk material along axially through armor inner hole, armouring
The diameter of layer inner hole is d1, and the diameter of armor ontology is d2；D1/d2=0.125~0.5；Armor inner hole has cooling matchmaker
Matter；
Third step：The step of manufacturing cable core：Take light guide obtained in center reinforcemen and three insulated conductors and second step
Unit, four gasket for packings make three insulated conductors and optical guide unit be located at center reinforcemen periphery, and make insulated conductor and light guide
Unit and center reinforcemen are mutually circumscribed, keep tangent adjacent insulated conductor, insulated conductor and adjacent optical guide unit tangent, and make
Gasket for packing is located at the external series gap that in the external series gap that adjacent insulated conductor is formed and insulated conductor and adjacent optical guide unit are formed
In, keep insulated conductor, optical guide unit, gasket for packing twisted around center reinforcemen, forms cable core；
4th step：The step of forming protective layer：It takes polyester band spiral except cable core, forms protective layer；
5th step：The step of forming restrictive coating：Polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE) is taken to be coated on outside protective layer
Restrictive coating is formed, the manufacture of spring sheathed structure optoelectrical cable is completed.
A kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：
The first step：The step of manufacturing tight tube fiber：It takes nylon or polytetrafluoroethylene (PTFE) to be placed in fixed extruder to melt, and takes
Or G.653 or G.654 or G.655 or G.657 G.652 or A1a or A1b type optical fiber passes through the fixed mold core for squeezing out head
Hole is coated on nylon or polytetrafluoroethylene (PTFE) outside optical fiber and forms tight tube fiber；
Second step：The step of manufacturing optical guide unit：Armor shaping dies is fixed on tight tube fiber and puts fine frame front end, institute
Armor shaping dies is stated by the attachment base, anti-back end, shaping dies ontology, the configured ends structure that successively connect and be formed as one
At anti-back end is rotary table cylinder shape, and the biggish one end of anti-back end section connects with the other end of attachment base, on shaping dies ontology
With continuous helicla flute, configured ends are rotary table cylinder shape, forming biggish one end of end section and the shaping dies ontology other end
Connect, have inside armor shaping dies axially through shaped hole, by the connecting hole on attachment base by armor at
Shape mold is fixed on tight tube fiber and puts in front of fine frame；The tight tube fiber that the first step is formed is drawn and puts fine frame from optical fiber and is released simultaneously
Tight tube fiber is set to pass through the shaped hole in armor shaping dies center, armor bulk material is from anti-back end and shaping dies ontology
Junction along helicla flute continuously to forming extreme direction conveying, molding armor slide into outer diameter successively reduce at
It outside shape end and constantly draws, and helical coated forms armor outside tight tube fiber, it is twisted outside armor to place more aramid fibers
Yarn forms enhancement layer, takes polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE) extrusion molding to be coated on outside enhancement layer and forms interior shield
Layer, completes the manufacture of optical guide unit；Wherein, have inside armor bulk material along axially through armor inner hole, armouring
The diameter of layer inner hole is d1, and the diameter of armor ontology is d2；D1/d2=0.125~0.5；Armor inner hole has cooling matchmaker
Matter；
Third step：The step of manufacturing cable core：Take light guide obtained in center reinforcemen and three insulated conductors and second step
Unit, four gasket for packings make three insulated conductors and optical guide unit be located at center reinforcemen periphery, and make insulated conductor and light guide
Unit and center reinforcemen are mutually circumscribed, keep tangent adjacent insulated conductor, insulated conductor and adjacent optical guide unit tangent, and make
Gasket for packing is located at the external series gap that in the external series gap that adjacent insulated conductor is formed and insulated conductor and adjacent optical guide unit are formed
In, keep insulated conductor, optical guide unit, gasket for packing twisted around center reinforcemen, forms cable core；
4th step：The step of forming protective layer：It takes polyester band spiral except cable core, forms protective layer；
5th step：The step of forming braiding layer：More one metal wires are taken, through braider outside the protective layer that the 4th step is formed
Woven mesh structure forms braiding layer；
6th step：The step of forming restrictive coating：Polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE) is taken to be coated on the 5th step shape
At braiding layer outside form restrictive coating, complete the manufacture of spring sheathed structure optoelectrical cable.
Optoelectrical cable of the present invention has following main advantageous effects：Weight is lighter, more compact structure, electrical overload
Ability is stronger, the optic communication ability under high temperature is more stable；Manufacturing method of the present invention is simple, the advantages of easily grasping, and does not need complexity
Armor former, save the investment of equipment.
Detailed description of the invention
Fig. 1 is that 1 solution of embodiment of the present invention splits the schematic perspective view after one section.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1 amplification.
Fig. 3 is that 2 solution of embodiment of the present invention splits the schematic perspective view after one section.
Fig. 4 is the cross-sectional structure schematic diagram of the amplification of armor material used in the present invention.
Fig. 5 is the schematic perspective view of armor shaping dies used in manufacturing method of the present invention.
Fig. 6 is the main view of Fig. 5 amplification.
Specific embodiment
In order to be better understood when the public and implement the present invention, the present invention is carried out now in conjunction with Figure of description detailed
Illustrate, the corresponding title of appended drawing reference is as follows：1-center reinforcemen, 2-insulated conductors, 21-conductors, 22-insulating layers, 3-
Gasket for packing, 4-optical guide units, 41-tight tube fibers, 42-armors, 43-enhancement layers, 44-sheaths, 5-protective layers,
6-restrictive coatings, 421-armor inner holes, 422-armor ontologies, d1-armor diameter of bore, d2-armor ontology are straight
Diameter, 7-armor shaping dies, 71-shaping dies ontologies, 72-helicla flutes, 73-configured ends, 74-anti-back ends, 75-at
Shape hole, 76-attachment bases, 77-connecting holes.
Embodiment 1
See Fig. 1 and Fig. 2 and Fig. 4, a kind of spring sheathed structure optoelectrical cable by cable core, is coated on except cable core
Protective layer 5, the restrictive coating 6 except protective layer 5 are constituted；Cable core is twisted by center reinforcemen 1, contour center reinforcemen 1
4, four gasket for packings 3 of three insulated conductors 2 and an optical guide unit are constituted, in the external series gap that two adjacent insulated conductors are formed
With a gasket for packing all circumscribed with insulated conductor and protective layer, the external series gap of insulated conductor and the formation of adjacent optical guide unit
In have a gasket for packing all circumscribed with insulated conductor, optical guide unit and protective layer, the diameter and optical guide unit of insulated conductor
Diameter it is equally big, adjacent insulated conductor is mutually circumscribed, optical guide unit and adjacent insulated conductor is mutually circumscribed, insulation
Conducting wire and center reinforcemen be mutually circumscribed, optical guide unit and center reinforcemen are mutually circumscribed；The insulated conductor 2 is by conductor 21 and cladding
Insulating layer 22 outside conductor is constituted, the optical guide unit 4 by tight tube fiber 41, the armor 42 except tight tube fiber,
Enhancement layer 43 except armor and the sheath except enhancement layer 44 are constituted；It is characterized in that：The armor
It is formed by the 422 one-way spiral coiling of armor ontology, is to be close between the adjacent turn of armor ontology, armor body interior
With along axially through armor inner hole 421, the diameter of armor inner hole is d1, and the diameter of armor ontology is d2；d1/d2
=0.125~0.5；In working condition, armor inner hole has cooling medium.
Embodiment 2
See Fig. 3 and Fig. 4, and Fig. 1 and Fig. 2 is referred to, a kind of spring sheathed structure optoelectrical cable by cable core, is coated on
Protective layer 5 except cable core, the restrictive coating 6 except protective layer 5 are constituted；Cable core is reinforced by center reinforcemen 1, contour center
4, four gasket for packings 3 of three twisted insulated conductors 2 of part 1 and an optical guide unit are constituted, and two adjacent insulated conductors are formed
External series gap in there is a gasket for packing all circumscribed with insulated conductor and protective layer, insulated conductor and adjacent optical guide unit shape
At external series gap in have a gasket for packing all circumscribed with insulated conductor, optical guide unit and protective layer, the diameter of insulated conductor
Big as the diameter of optical guide unit, adjacent insulated conductor is mutually circumscribed, optical guide unit and adjacent insulated conductor is phase
Circumscribed, insulated conductor and center reinforcemen be mutually circumscribed, optical guide unit and center reinforcemen are mutually circumscribed；The insulated conductor 2 by
Conductor 21 and the insulating layer 22 being coated on outside conductor are constituted, the optical guide unit 4 by tight tube fiber 41, be located at except tight tube fiber
Armor 42, the enhancement layer 43 except armor and the sheath except enhancement layer 44 constitute；It is characterized in that：
The armor is formed by the 422 one-way spiral coiling of armor ontology, there is gap between the adjacent turn of armor ontology, is claimed
For turn-to-turn gap, turn-to-turn gap is less than the diameter of tight tube fiber and is greater than zero；Armor body interior have along axially through armouring
Layer inner hole 421, the diameter of armor inner hole are d1, and the diameter of armor ontology is d2；D1/d2=0.125~0.5；In work shape
When state, armor inner hole has cooling medium.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The armouring
The material of layer ontology is steel or aluminium or alloy.
A kind of spring sheathed structure optoelectrical cable described above, it is characterised in that：The material of the armor ontology
It is the stainless steel that the trade mark is 304.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The protection
The material of layer is polyester band, is spiral except cable core.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The reinforcement
The material of layer is aramid yarn.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The filling
The material of rope is polypropylene or polyethylene.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The insulation
The material of layer is polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE).
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The center
The material of reinforcer is steel wire or fiberglass reinforced plastics.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The interior shield
The material of layer is polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE).
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The sheath
The material of layer is polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE).
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：It is described fixed
The outermost layer of optical fiber is nylon or polytetrafluoroethylene (PTFE).
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：It is described fixed
The diameter of optical fiber is 0.4~1.0mm, and the diameter of armor ontology is 1.8~2.2mm, the diameter of insulated conductor is 3.2~
3.8mm, the diameter of optoelectrical cable are 9.2~10.0mm, and the cross-sectional area of conductor is 1.3~1.6 square millimeters.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The protection
The braiding layer also constituted with a wire between layer and restrictive coating.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The alloy
By weight, total amount is 100 parts, is made of following raw material：0.3~0.5 part of copper, 0.2~0.5 part of iron, 0.1~0.5 part of vanadium,
0.1~0.5 part of silicon, 0.1~0.3 part of manganese, 0.3~1.2 part of magnesium, 0.1~0.3 part of niobium, 0.2~0.7 part of carbon, cobalt 0.1~0.5
Part, 0.1~0.5 part of zinc, 0.2~0.5 part of zirconium, 0.1~0.3 part of titanium, 0.2~0.4 part of nickel, surplus are aluminium；Wherein, by quality
Than vanadium：Silicon：Magnesium：Zirconium：Aluminium=1:1：（2.4~3.0）：1：（186.6~979）.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The conjunction
By weight, total amount is 100 parts to gold, is made of following raw material：0.3~0.5 part of copper, 0.2~0.5 part of iron, vanadium 0.1~0.5
Part, 0.1~0.5 part of silicon, 0.1~0.3 part of manganese, 0.3~1.2 part of magnesium, 0.1~0.3 part of niobium, 0.2~0.7 part of carbon, cobalt 0.1~
0.5 part, 0.1~0.5 part of zinc, 0.2~0.5 part of zirconium, 0.1~0.3 part of titanium, 0.2~0.4 part of nickel, surplus be aluminium；Wherein, by matter
Measure ratio, vanadium：Silicon：Magnesium：Zirconium：Aluminium=1:1：2.8：1：800, this embodiment is optimal embodiment.
By test, the alloy has excellent tension, antitorque, compressive property, and weight is lighter, cost is lower, uses
Electrician's pure aluminum material of model 1A60 in the prior art, optical cable with phosphating steel wire material (《GB/T24202-2009 optical cable
Carbon steel wire is used in enhancing》Corresponding material), the present invention in alloy, be made into the armour that outer diameter is 1.2mm, internal diameter is 0.4mm respectively
Layer bulk material is filled, the armor that internal diameter is 3mm is then made into, sample is denoted as 1#, 2#, 3# (a wide range of formula), 4# (most respectively
Excellent embodiment), obtain following test data.
Therefore, there is excellent performance using armor made of the alloy material in the present invention, tensile strength is close to steel
Light more than steel wire, resistance to torsion ability is much higher than steel wire and aluminium close to aluminium, compression resistance close to steel wire, density for silk, elongation at break；Using
After the material of the application, cost can be obviously saved, mitigates cable weight, enhance product performance.
A kind of spring sheathed structure optoelectrical cable described in any of the above-described embodiment, it is characterised in that：The armouring
Diameter/armor ontology diameter=1/3 of layer inner hole；At this point, armor ontology heat dissipation effect and tensile strength it is comprehensive
Can be optimal, i.e., not only reach excellent heat dissipation effect but also reaches preferable tensile strength.
A kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：
The first step：The step of manufacturing tight tube fiber：It takes nylon or polytetrafluoroethylene (PTFE) to be placed in fixed extruder to melt, and takes
Or G.653 or G.654 or G.655 or G.657 G.652 or A1a or A1b type optical fiber passes through the fixed mold core for squeezing out head
Hole is coated on nylon or polytetrafluoroethylene (PTFE) outside optical fiber and forms tight tube fiber；
Second step：The step of manufacturing optical guide unit：Armor shaping dies 7 is fixed on tight tube fiber and puts fine frame front end,
The armor shaping dies by successively connect and be formed as one attachment base 76, anti-back end 74, shaping dies ontology 71, at
Shape end 73 is constituted, and anti-back end 74 is rotary table cylinder shape, and the biggish one end of anti-back end section connects with the other end of attachment base, is shaped
There is continuous helicla flute 72, configured ends are rotary table cylinder shape, forming biggish one end of end section and forming on die ontology 71
The die ontology other end connects, have inside armor shaping dies axially through shaped hole 75, by attachment base
Armor shaping dies is fixed on tight tube fiber and put in front of fine frame by connecting hole 77；The tight tube fiber traction that the first step is formed is simultaneously
The shaped hole 75 that fine frame releases and tight tube fiber is made to pass through 7 center of armor shaping dies, armor bulk material are put from optical fiber
From anti-back end and the junction of shaping dies ontology along helicla flute continuously to forming extreme direction conveying, molding armor
It slides the configured ends successively reduced into outer diameter to draw outside and constantly, and helical coated forms armor, armour outside tight tube fiber
It fills twisted more aramid yarns of placement outside layer and forms enhancement layers, take polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE) extrusion molding
It is coated on outside enhancement layer and forms sheath, complete the manufacture of optical guide unit；Wherein, have inside armor bulk material along axial direction
The armor inner hole of perforation, the diameter of armor inner hole are d1, and the diameter of armor ontology is d2；D1/d2=0.125~0.5；
Armor inner hole has cooling medium；
Third step：The step of manufacturing cable core：Take light guide obtained in center reinforcemen and three insulated conductors and second step
Unit, four gasket for packings make three insulated conductors and optical guide unit be located at center reinforcemen periphery, and make insulated conductor and light guide
Unit and center reinforcemen are mutually circumscribed, keep tangent adjacent insulated conductor, insulated conductor and adjacent optical guide unit tangent, and make
Gasket for packing is located at the external series gap that in the external series gap that adjacent insulated conductor is formed and insulated conductor and adjacent optical guide unit are formed
In, keep insulated conductor, optical guide unit, gasket for packing twisted around center reinforcemen, forms cable core；
4th step：The step of forming protective layer：It takes polyester band spiral except cable core, forms protective layer；
5th step：The step of forming restrictive coating：Polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE) is taken to be coated on outside protective layer
Restrictive coating is formed, the manufacture of spring sheathed structure optoelectrical cable is completed.
A kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：
The first step：The step of manufacturing tight tube fiber：It takes nylon or polytetrafluoroethylene (PTFE) to be placed in fixed extruder to melt, and takes
Or G.653 or G.654 or G.655 or G.657 G.652 or A1a or A1b type optical fiber passes through the fixed mold core for squeezing out head
Hole is coated on nylon or polytetrafluoroethylene (PTFE) outside optical fiber and forms tight tube fiber；
Second step：The step of manufacturing optical guide unit：Armor shaping dies 7 is fixed on tight tube fiber and puts fine frame front end,
The armor shaping dies by successively connect and be formed as one attachment base 76, anti-back end 74, shaping dies ontology 71, at
Shape end 73 is constituted, and anti-back end 74 is rotary table cylinder shape, and the biggish one end of anti-back end section connects with the other end of attachment base, is shaped
There is continuous helicla flute 72, configured ends are rotary table cylinder shape, forming biggish one end of end section and forming on die ontology 71
The die ontology other end connects, have inside armor shaping dies axially through shaped hole 75, by attachment base
Armor shaping dies is fixed on tight tube fiber and put in front of fine frame by connecting hole 77；The tight tube fiber traction that the first step is formed is simultaneously
The shaped hole 75 that fine frame releases and tight tube fiber is made to pass through 7 center of armor shaping dies, armor bulk material are put from optical fiber
From anti-back end and the junction of shaping dies ontology along helicla flute continuously to forming extreme direction conveying, molding armor
It slides the configured ends successively reduced into outer diameter to draw outside and constantly, and helical coated forms armor, armour outside tight tube fiber
It fills twisted more aramid yarns of placement outside layer and forms enhancement layers, take polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE) extrusion molding
It is coated on outside enhancement layer and forms sheath, complete the manufacture of optical guide unit；Wherein, have inside armor bulk material along axial direction
The armor inner hole of perforation, the diameter of armor inner hole are d1, and the diameter of armor ontology is d2；D1/d2=0.125~0.5；
Armor inner hole has cooling medium；
Third step：The step of manufacturing cable core：Take light guide obtained in center reinforcemen and three insulated conductors and second step
Unit, four gasket for packings make three insulated conductors and optical guide unit be located at center reinforcemen periphery, and make insulated conductor and light guide
Unit and center reinforcemen are mutually circumscribed, keep tangent adjacent insulated conductor, insulated conductor and adjacent optical guide unit tangent, and make
Gasket for packing is located at the external series gap that in the external series gap that adjacent insulated conductor is formed and insulated conductor and adjacent optical guide unit are formed
In, keep insulated conductor, optical guide unit, gasket for packing twisted around center reinforcemen, forms cable core；
4th step：The step of forming protective layer：It takes polyester band spiral except cable core, forms protective layer；
5th step：The step of forming braiding layer：More one metal wires are taken, through braider outside the protective layer that the 4th step is formed
Woven mesh structure forms braiding layer；
6th step：The step of forming restrictive coating：Polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE) is taken to be coated on the 5th step shape
At braiding layer outside form restrictive coating, complete the manufacture of spring sheathed structure optoelectrical cable.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：It is described exhausted
Edge conducting wire is made of conductor and the insulating layer being coated on outside conductor；The material of the insulating layer is that polyvinyl chloride or low smoke and zero halogen are poly-
Ethylene or polytetrafluoroethylene (PTFE).
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The armour
The material for filling layer ontology is steel or aluminium or alloy.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The armour
The material of dress layer ontology is the stainless steel that the trade mark is 304.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：It is described to fill out
The material for filling rope is polypropylene or polyethylene.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：In described
The material of heart reinforcer is steel wire or fiberglass reinforced plastics.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：In described
The material of sheath is polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE).
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The shield
The material of jacket layer is polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE).
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：It is described tight
The outermost layer of unjacketed optical fiber is nylon or polytetrafluoroethylene (PTFE).
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The armour
Fill diameter/armor ontology diameter=1/3 of layer inner hole.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The bullet
In spring sheathed structure optoelectrical cable, the diameter of tight tube fiber is 0.4~1.0mm, the diameter of armor ontology is 1.8~
2.2mm, the diameter of insulated conductor are 3.2~3.8mm, and the diameter of optoelectrical cable is 9.2~10.0mm, the cross-sectional area of conductor
It is 1.3~1.6 square millimeters.
The production method of any one spring sheathed structure optoelectrical cable described above, it is characterised in that：The spiral shell
Spin slot is 2~5 circles along the circle number of shaping dies ontology circumferential direction, and optimal is 3 circles, and 3 not only have faster speed of production when enclosing,
And when armor forming, the power output promoted for armor material can be more constant.
Alloy in method of the invention can use the alloy material of above-mentioned formula.
The present invention has the advantages that production method is simple, easily grasps, and does not need complicated armor former, saves
The investment of equipment.
In method of the invention, armor bulk material have stronger hardness, armor bulk material from anti-back end with
The junction of shaping dies ontology is continuously conveyed to forming extreme direction along helicla flute, due to the diameter of shaping dies ontology
No more than the diameter at anti-back end, and with shaping dies ontology junction, the diameter at anti-back end is minimum, toward attachment base at diameter increase
Greatly, therefore armor ontology will not slide to anti-back end, but inertially along helicla flute continuously to forming under thrust
Extreme direction conveying；In helicla flute formed spring blank, due to configured ends diameter no more than shaping dies ontology diameter, at
The configured ends diameter of shape end and armor ontology junction is maximum, from configured ends and shaping dies ontology junction toward configured ends
The diameter of other end configured ends gradually becomes smaller, therefore spring blank is advanced into configured ends and constantly draws, and ultimately forms compared with outer diameter
Stable finished product armor.
In the above method, when the speed of finished product armor traction is slightly less than the speed of armor bulk material propulsion, armouring
It is to be close between the adjacent turn of layer ontology, it is, of course, also possible to which simultaneously rapid curing viscose glue makes armouring for spraying at finished product armor
The adjacent turn of layer ontology is securely close to, and not only can make tight tube fiber that moisture content be isolated, and armor is more beautiful；When
So, the speed that finished product armor can also be made to draw is slightly larger than the speed that armor bulk material promotes, in this case, armouring
There are gap, referred to as turn-to-turn gap between the adjacent turn of layer ontology, the speed and armor ontology drawn by finished product armor
The adjusting between speed that material promotes makes turn-to-turn gap be less than the diameter of tight tube fiber and is greater than zero；In this case, spring armour
The structure for filling layer is more stable and relatively convenient for construction, and tight tube fiber is easy to take out when construction.
In the present invention, after armor bulk material is truncated, end seals is carried out, armor body interior can be realized
The holding of liquid cooling medium；In general, one end is connected in the cabinet or cabinet of tower top to comprehensive cable in the present invention
, convenient power supply is not only realized, but also can radiate using the fan in cabinet or cabinet, the wind of fan can lead to
Enter in armor inner hole.
In the present invention, armor ontology forms spring sheathed structure, and tight tube fiber is located inside spring sheathed structure, no
Only make optical guide unit that there is preferable compressive property with extraordinary softness and due to spring sheathed structure, therefore makes
Obtaining spring sheathed structure also has excellent lateral pressure resistant performance；In addition, the armor inner hole due to armor ontology has cooling
Medium, so that the fever of insulated conductor can be lowered, heat is pulled away, cooling medium can be cooling or freezing liquid, may be used also
With cooling gas, the gas etc. that even flows；It not only ensure that the communication performance of optical fiber at a suitable temperature, moreover, can
To reduce the temperature inside comprehensive cable, keep the current-carrying capacity of conductor bigger；In the present invention, since the length of condensation cable itself will not be too
Long, therefore, conductor can use copper, aluminium or alloy conductor, can make when using aluminium or alloy conductor comprehensive cable weight it is lighter,
Cost is lower；Equally, it can make that comprehensive cable weight is lighter, cost is lower when the material of armor ontology is aluminium or alloy；When
So, there is armor inner hole cooling medium to be not limited to cooling medium, actually can also be heat medium, comprehensive cable can be made to exist
Normal use under colder environment.
Therefore, the present invention has following main advantageous effects：Weight is lighter, more compact structure, electrical overload ability
Optic communication ability stronger, under high temperature is more stable.
The present invention is not limited to above-mentioned preferred forms, it should be understood that design of the invention can be by other various shapes
Formula is implemented to use, they also fall in protection scope of the present invention.
Claims (6)
1. a kind of production method of spring sheathed structure optoelectrical cable, it is characterised in that it is made of following steps：
The first step：The step of manufacturing tight tube fiber：It takes nylon or polytetrafluoroethylene (PTFE) to be placed in fixed extruder to melt, and takes
Or G.653 or G.654 or G.655 or G.657 G.652 or A1a or A1b type optical fiber passes through the fixed mold core for squeezing out head
Hole is coated on nylon or polytetrafluoroethylene (PTFE) outside optical fiber and forms tight tube fiber；
Second step：The step of manufacturing optical guide unit：Armor shaping dies is fixed on tight tube fiber and puts fine frame front end, the armour
Dress layer shaping dies is made of attachment base, anti-back end, shaping dies ontology, the configured ends for successively connecting and being formed as one, and is prevented
Moving back end is rotary table cylinder shape, and the biggish one end of anti-back end section connects with the other end of attachment base, has on shaping dies ontology
Continuous helicla flute, configured ends are rotary table cylinder shape, and forming biggish one end of end section connects with the shaping dies ontology other end,
Have inside armor shaping dies axially through shaped hole, by the connecting hole on attachment base by armor shaping dies
Tight tube fiber is fixed on to put in front of fine frame；By tight tube fiber traction that the first step is formed and fine frame is put from optical fiber release and make fixed
Optical fiber passes through the shaped hole in armor shaping dies center, connection of the armor bulk material from anti-back end and shaping dies ontology
Along helicla flute continuously to forming extreme direction conveying, molding armor is slid outside the configured ends that outer diameter successively reduces at place
And constantly draw, and helical coated forms armor outside tight tube fiber, more aramid yarns of twisted placement are formed outside armor
Enhancement layer takes polyvinyl chloride or low smoke and zero halogen polyethylene or polytetrafluoroethylene (PTFE) extrusion molding to be coated on outside enhancement layer and forms sheath, complete
At the manufacture of optical guide unit；Wherein, have inside armor bulk material along axially through armor inner hole, armor inner hole
Diameter be d1, the diameter of armor ontology is d2；D1/d2=0.125~0.5；Armor inner hole has cooling medium；It is described
The material of armor ontology is alloy；By weight, total amount is 100 parts to the alloy, is made of following raw material：Copper 0.3~
0.5 part, 0.2~0.5 part of iron, 0.1~0.5 part of vanadium, 0.1~0.5 part of silicon, 0.1~0.3 part of manganese, 0.3~1.2 part of magnesium, niobium 0.1
~0.3 part, 0.2~0.7 part of carbon, 0.1~0.5 part of cobalt, 0.1~0.5 part of zinc, 0.2~0.5 part of zirconium, 0.1~0.3 part of titanium, nickel
0.2~0.4 part, surplus be aluminium；Wherein, in mass ratio, vanadium：Silicon：Magnesium：Zirconium：Aluminium=1:1：（2.4~3.0）：1：（186.6~
979）；
Third step：The step of manufacturing cable core：Take optical guide unit obtained in center reinforcemen and three insulated conductors and second step,
Four gasket for packings make three insulated conductors and optical guide unit be located at center reinforcemen periphery, and make insulated conductor and optical guide unit
With center reinforcemen it is mutually circumscribed, keep tangent adjacent insulated conductor, insulated conductor and adjacent optical guide unit tangent, and make to fill
Rope is located in the external series gap that adjacent insulated conductor is formed and in the external series gap that insulated conductor and adjacent optical guide unit are formed, and makes
Insulated conductor, optical guide unit, gasket for packing are twisted around center reinforcemen, form cable core；
4th step：The step of forming protective layer：It takes polyester band spiral except cable core, forms protective layer；
5th step：The step of forming restrictive coating：It takes polyvinyl chloride or polyethylene or polytetrafluoroethylene (PTFE) to be coated on outside protective layer to be formed
Restrictive coating completes the manufacture of spring sheathed structure optoelectrical cable.
2. a kind of production method of spring sheathed structure optoelectrical cable according to claim 1, it is characterised in that：It is described
Insulated conductor is made of conductor and the insulating layer being coated on outside conductor；The material of the insulating layer is polyvinyl chloride or low smoke and zero halogen
Polyethylene or polytetrafluoroethylene (PTFE).
3. a kind of production method of spring sheathed structure optoelectrical cable according to claim 1, it is characterised in that：It is described
The material of gasket for packing is polypropylene or polyethylene.
4. a kind of production method of spring sheathed structure optoelectrical cable according to claim 1, it is characterised in that：It is described
The material of center reinforcemen is steel wire or fiberglass reinforced plastics.
5. a kind of production method of spring sheathed structure optoelectrical cable according to claim 1, it is characterised in that：It is described
The diameter of armor inner hole/armor ontology diameter=1/3.
6. a kind of production method of spring sheathed structure optoelectrical cable according to claim 1, it is characterised in that：It is described
Helicla flute is 2~5 circles along the circle number of shaping dies ontology circumferential direction.
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| CN106952688A (en) | 2017-07-14 |
| CN107086079B (en) | 2019-01-22 |
| CN106373660B (en) | 2017-11-24 |
| CN106971786A (en) | 2017-07-21 |
| CN107086079A (en) | 2017-08-22 |
| CN106373660A (en) | 2017-02-01 |
| CN106971786B (en) | 2019-04-19 |
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