CN104715860A - Production method for photoelectric comprehensive cable with specially-shaped filling rope - Google Patents

Production method for photoelectric comprehensive cable with specially-shaped filling rope Download PDF

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Publication number
CN104715860A
CN104715860A CN201510147021.0A CN201510147021A CN104715860A CN 104715860 A CN104715860 A CN 104715860A CN 201510147021 A CN201510147021 A CN 201510147021A CN 104715860 A CN104715860 A CN 104715860A
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China
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arc body
many
special
shaped packing
parts
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Granted
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CN201510147021.0A
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CN104715860B (en
Inventor
蒋菊生
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State Grid Corp of China SGCC
Laiwu Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Individual
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Priority to CN201610287879.1A priority Critical patent/CN105957636A/en
Priority to CN201510147021.0A priority patent/CN104715860B/en
Priority to CN201610287902.7A priority patent/CN105957637A/en
Publication of CN104715860A publication Critical patent/CN104715860A/en
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Publication of CN104715860B publication Critical patent/CN104715860B/en
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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • G02B6/4407—Optical cables with internal fluted support member
    • 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
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • 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
    • 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
    • G02B6/449—Twisting
    • G02B6/4491—Twisting in a lobe structure
    • 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • 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
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention belongs to the technical field of wire cables, and particularly relates to a production method for a photoelectric comprehensive cable with a specially-shaped filling rope. The production method is characterized by comprising a step of producing an optical fibre communication unit, a step of producing an electric transmission conductive wire, a step of producing the specially-shaped filling rope, a step of producing a composite specially-shaped filling rope, a step of producing a cable core, and a step of producing a finished product, that is, the photoelectric comprehensive cable with the specially-shaped filling rope. According to the photoelectric comprehensive cable with the specially-shaped filling rope, produced by the production method disclosed by the invention, the production method is simple and easy to grasp, the varieties of the used production equipment are few, the space occupation is less, the cost investment is low, and the process is more reasonable.

Description

There is the manufacture method of the optoelectrical cable of special-shaped packing gasket
Technical field
The invention belongs to technical field of cables, especially relate to optoelectrical cable with special-shaped packing gasket and preparation method thereof.
Background technology
Along with the develop rapidly of telecommunications, the application of optical fiber cable and electric wire is increasing.The use of optoelectronic composite cable can make electricity, light is directly registered one's residence, and operator does not need to apply for electric load in addition, therefore, more and more favor by operator.But existing optoelectrical cable mainly exists following problem: when the external series gap of the wire that (1) is adjacent is larger, in order to make composite rope profile rounding, holding fibre-optic Loose tube also needs to make large scale, which increases cost; (2) wire and the stranded formation cable core of Loose tube, adopt yarn class material to wrap up outward at cable core, easily pricks bad Loose tube, cause the exception of optical signal transmission, and when temperature marked change, wrapping material pricks bad Loose tube, and then affect optical communication, and the price of wrapper material own costly; (3) mode adopting wire and Loose tube stranded, is not easy taking-up Loose tube, needs wrapper material to cut open, easily damage cable core, not easily recover before taking-up; And Loose tube taking-up bothers very much.
In view of above-mentioned defect, operator and manufacture commercial city expect there is better solution.
Summary of the invention
In order to solve the problem, an object of the present invention discloses special-shaped packing gasket; Two of object of the present invention discloses the optoelectrical cable using this special-shaped packing gasket; Three of object of the present invention discloses the manufacture method of this kind of optoelectrical cable; They realize by the following technical solutions.
Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it includes rope body, it is characterized in that rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body; First cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction; Equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal; First cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; Three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; The arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, is characterized in that the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, is characterized in that the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding.
Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that it is spliced successively by multiple minor structure gasket for packing body or an extrusion molding is formed, described multiple minor structure gasket for packing body pieces together a complete periphery; Described minor structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body; First cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction; Equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal; First cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; Three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; The arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc; In arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all circumferentially same.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that the material of described rope body is polypropylene or polyethylene or by weight, be made up of following raw material: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that the material of described minor structure gasket for packing body is polypropylene or polyethylene or by weight, be made up of following raw material: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts.
There is the optoelectrical cable of special-shaped packing gasket, it includes reinforcement, to be arranged in outside reinforcement and tangent or that slightly gap is placed many transmission pressures, the optical fiber communication unit being positioned at adjacent transmission pressure external series gap, protective layer transmission pressure and optical fiber communication unit enveloped, extrusion molding are coated on the restrictive coating outside protective layer successively; It is characterized in that having any one special-shaped packing gasket described above in described adjacent transmission pressure external series gap, the first cylinder arc body, the second cylinder arc body of special-shaped packing gasket are close to transmission pressure, and protective layer is positioned at outside special-shaped packing gasket; A part for optical fiber communication unit is positioned at three cylindrical arc body, and optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, and optical fiber communication unit is mutually circumscribed with transmission pressure; Reinforcement and transmission pressure is tangent or arrange slightly with gap; Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Transmission pressure is made up of conductor and the insulating barrier be coated on outside conductor, and optical fiber communication unit is made up of optical fiber and the protection tube that enveloped by optical fiber.
Further, the optoelectrical cable with special-shaped packing gasket described above, is characterized in that in described many transmission pressures, have at least a transmission pressure substitute by the filling component substantially identical with transmission pressure diameter.
There is the optoelectrical cable of special-shaped packing gasket, it include reinforcement, be arranged in many transmission pressures outside reinforcement and have a filling component substantially identical with transmission pressure diameter at least, be arranged in adjacent transmission pressure external series gap or be arranged in the external series gap of adjacent filling component or be positioned at the optical fiber communication unit of adjacent transmission pressure and filling component external series gap, protective layer transmission pressure, filling component and optical fiber communication unit enveloped, extrusion molding are coated on restrictive coating outside protective layer, reinforcement and transmission pressure is tangent or arrange slightly with gap, reinforcement and filling component is tangent or arrange slightly with gap, it is characterized in that in the external series gap of filling component in described adjacent transmission pressure external series gap or adjacent or in adjacent transmission pressure and filling component external series gap, there is any one special-shaped packing gasket described above, protective layer is positioned at outside special-shaped packing gasket, when the surrounding of special-shaped packing gasket is adjacent transmission pressure, first cylinder arc body of special-shaped packing gasket, second cylinder arc body is close to transmission pressure, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, optical fiber communication unit is mutually circumscribed with transmission pressure, when the surrounding of special-shaped packing gasket be adjacent transmission pressure and filling component time, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to corresponding transmission pressure and filling component, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, optical fiber communication unit and transmission pressure and filling component mutually circumscribed, when the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body, the second cylinder arc body of special-shaped packing gasket are close to filling component, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, and optical fiber communication unit is mutually circumscribed with filling component, arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle, transmission pressure is made up of conductor and the insulating barrier be coated on outside conductor, and optical fiber communication unit is made up of optical fiber and the protection tube that enveloped by optical fiber.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of main part of described filling component is polyethylene or polypropylene.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described protective layer is waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described restrictive coating is polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described conductor is copper or aluminium or copper cover aluminum or copper-clad magnesium or aluminium in copper magnesium or aluminium alloy or magnesium alloy.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described insulating barrier is polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that described optical fiber is monomode fiber or multimode fiber.
Further, the optoelectrical cable with special-shaped packing gasket described above, is characterized in that described optical fiber is energy transmission optical fibre or G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
The optoelectrical cable with special-shaped packing gasket described above, is characterized in that the material of described protection tube is modified polypropene or polybutylene terephthalate (PBT) or steel.
Making has a method for the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form rope body, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, and one end of the 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding, repeat above-mentioned steps and form many special-shaped packing gaskets,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; Repeat the special-shaped packing gasket that above-mentioned steps forms many compounds;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are tangent or be placed on slightly with gap outside reinforcement successively, make reinforcement and transmission pressure is tangent or place slightly with gap; The special-shaped packing gasket of every root compound to be placed in adjacent transmission pressure external series gap and to make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of the special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
Special-shaped packing gasket in the present invention have structure simple, easily making, humidity, processing characteristics is excellent, resistance to compression restorability is excellent, ageing-resistant, elasticity is excellent, acid and alkali-resistance and the beneficial effect such as oil, low water suction.
The optoelectrical cable with special-shaped packing gasket in the present invention, owing to having used above-mentioned special-shaped packing gasket, in special-shaped packing gasket, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, therefore, optical fiber communication unit major part is positioned at three cylindrical arc body, some is positioned at outside three cylindrical arc body, because special-shaped packing gasket has excellent elasticity and toughness, therefore, optical fiber communication unit can do equally large even slightly large with three cylindrical arc body, such optical fiber communication unit can be embedded in three cylindrical arc body, form tight fit, can not overflow from three cylindrical arc body, simultaneously optical fiber communication unit and transmission pressure or special-shaped packing gasket, or transmission pressure and special-shaped packing gasket tangent, and protective layer is coated on outside cable core, and arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle, therefore cable core, protective layer is rounding more, optoelectrical cable outward appearance more rounding, smooth, due to special construction of the present invention, therefore no longer need yarn class material to wrap up, both provided cost savings, and there is not yarn class material and transmission pressure when variations in temperature, protection tube material because of temperature shrinkage/expand different and prick bad transmission wire, protection tube, and then affects the defect of optical cable performance, because optical fiber communication unit is arranged in three cylindrical arc body dexterously, even therefore the long-pending transmission of electricity in large ampacity, heavy in section lead to, do not need to make large-sized protection tube yet, provide cost savings, make protection tube more general simultaneously, due in the present invention, special-shaped packing gasket, transmission pressure, reinforcement are actually parallel mode and arrange, and without yarn class binder, therefore after workmen's stripping optical cable, no longer need to cut off yarn class binder, take out corresponding special-shaped packing gasket, then strip out protection tube lightly, can realize being separated of protection tube and special-shaped packing gasket, construction is quite convenient, efficiency is higher.
Therefore, the Advantageous Effects such as the optoelectrical cable with special-shaped packing gasket of the present invention has that structure is simple, cost is lower, more excellent performance, construction are more convenient.
Accompanying drawing explanation
Fig. 1 is the perspective view of a section of the first execution mode of special-shaped packing gasket in the present invention.
Fig. 2 is the cross-sectional structure schematic diagram that Fig. 1 amplifies.
Fig. 3 is the cross-sectional structure schematic diagram of the second execution mode of special-shaped packing gasket in the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of the 3rd execution mode of special-shaped packing gasket in the present invention.
Fig. 5 is a section of optoelectrical cable in the present invention perspective view after stripping.
Fig. 6 is the cross-sectional structure schematic diagram after Fig. 5 amplifies.
Embodiment
Embodiment 1, embodiment 2, embodiment 3 are embodiments of special-shaped packing gasket in the present invention; Embodiment 4, embodiment 5 are embodiments of the optoelectrical cable in the present invention with special-shaped packing gasket.
embodiment 1
Ask for an interview Fig. 1 Fig. 2, optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it includes rope body 4, it is characterized in that rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of three cylindrical arc body 43, the other end of three cylindrical arc body 43 connects one end of the second cylinder arc body 42, and one end of the 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42; First cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction; Equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal; First cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; Three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; The arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc.
Optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, is characterized in that the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding.
Further, optical cable described above or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, is characterized in that the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding.
embodiment 2
Ask for an interview Fig. 3, and with reference to figure 1 and Fig. 2; Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that it is spliced to form successively by four minor structure gasket for packing bodies, described four minor structure gasket for packing bodies piece together a complete periphery; Described minor structure gasket for packing body includes rope body 4, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of three cylindrical arc body 43, the other end of three cylindrical arc body 43 connects one end of the second cylinder arc body 42, one end of 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42; First cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction; Equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal; First cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; Three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; The arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc; In arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all on same circumference R1; 4th cylinder arc body 44 is quadrant arc column, and like this, four special-shaped packing gasket stitching portions form four contacts, and relative contact is connected to form horizontal line L1 and vertical line L2, L1 and L2 are perpendicular.
Certainly, in this embodiment, obviously, can also be connected by the multiple special-shaped packing gaskets in embodiment 1 or bondd to form; Can make the optoelectronic composite cable of more power transmission conductor like this, and fiber number also can expand.
embodiment 3
Ask for an interview Fig. 4, and referring to figs. 1 to Fig. 3; Optical cable or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, basic with embodiment 2, difference is that it is formed by four minor structure gasket for packing bodies extrusion molding, and described four minor structure gasket for packing bodies form a complete periphery; Described minor structure gasket for packing body includes rope body 4, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of three cylindrical arc body 43, the other end of three cylindrical arc body 43 connects one end of the second cylinder arc body 42, one end of 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42; First cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction; Equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal; First cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; Three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place; The arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc; In arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all on same circumference R1.
Certainly, in this embodiment, obviously, can also be integrally formed by the multiple special-shaped packing gaskets in embodiment 1; Can make the optoelectronic composite cable of more power transmission conductor like this, and fiber number also can expand.
Optical cable described in above-mentioned arbitrary embodiment or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that the material of described rope body is polypropylene or polyethylene or by weight, be made up of following raw material: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts.
Optical cable described in above-mentioned arbitrary embodiment or cable or optoelectronic composite cable or optoelectrical cable special-shaped packing gasket, it is characterized in that the material of described minor structure gasket for packing body is polypropylene or polyethylene or by weight, be made up of following raw material: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts.
In the present invention, find through test, gasket for packing body or little gasket for packing body are that the combined effect of following formula is best: by weight, be made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.4g/10min: 15 parts, polybutylene terephthalate (PBT): 10 parts, nylon 6 or nylon66 fiber: 10 parts, dibutyl phthalate: 3 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 2 parts, aluminium hydroxide: 12.5 parts, Tissuemat E: 3 parts.
In the present invention, find through test, gasket for packing body or little gasket for packing body are that the combined effect of following formula is secondary good: by weight, be made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 25 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2g/10min: 10 parts, polybutylene terephthalate (PBT): 8 parts, nylon 6 or nylon66 fiber: 8 parts, dibutyl phthalate: 2 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 part, aluminium hydroxide: 10 parts, Tissuemat E: 2 parts.
In the present invention, find through test, gasket for packing body or little gasket for packing body are that the combined effect of following formula is secondary good: by weight, be made up of following raw material: polypropylene: 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 20 parts, polybutylene terephthalate (PBT): 12 parts, nylon 6 or nylon66 fiber: 12 parts, dibutyl phthalate: 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 3 parts, aluminium hydroxide: 15 parts, Tissuemat E: 4 parts.
Applicant has carried out producing and inspection for the gasket for packing body be made up of above-mentioned formula or little gasket for packing body, obtain following data, wherein, 1# is optimum formula, 2# is time good formula, and 3# is time time good formula, and 4# is formula interior on a large scale, 5# all adopts polyacrylic formula, and 6# is the formula all adopting low density polyethylene (LDPE); The horizontal area of wearing of sample is 6 mm sqs, and each sequence number has got 100 samples.
Sequence number Project 1# 2# 3# 4# 5# 6#
1 Stablizing horizontal area of wearing is 6 mm sqs, same board, largest production speed (m/min) 358 340 325 300 126 216
2 Maximum melt stream running speed rate (g/10min) 1.2 1.3 1.5 1.7 2.8 2.0
3 Minimum tensile strength MPa 25 23 21 20 12 17
4 Minimum break-draw strain % 1500 1364 1217 985 150 650
5 Maximum water absorption (g/10kg) 0.003 0.005 0.006 0.010 48 32
6 The longest reinstatement time (min) after 180 degree of doublings 1 1.5 1.8 2.5 Cannot recover Cannot recover
7 Be fully immersed in 92# gasoline, after 24 hours, weight is the average percent (%) of original weight amount 99.2 98.1 95.7 96.3 35.4 64.6
8 Being fully immersed in molar concentration is in the sodium hydrate aqueous solution of 2.26mol/L, and after 24 hours, weight is the average percent (%) of original weight amount 99.8 99.7 99.7 99.5 95.6 92.4
9 Being fully immersed in molar concentration is in the aqueous hydrochloric acid solution of 3.94mol/L, and after 24 hours, weight is the average percent (%) of original weight amount 99.3 98.5 97.8 96.2 64.4 76.9
Passable as apparent from upper table, in the present invention, the formula of gasket for packing body or little gasket for packing body makes special-shaped packing gasket have excellent process velocity, excellent hot strength, break-draw strain, have low water absorbing properties, and excellent toughness (doubling restorability); There is excellent acidproof, alkaline-resisting, oil resistance.
Special-shaped packing gasket in the present invention have structure simple, easily making, humidity, processing characteristics is excellent, resistance to compression restorability is excellent, ageing-resistant, elasticity is excellent, acid and alkali-resistance and the beneficial effect such as oil, low water suction.
embodiment 4
Ask for an interview Fig. 5 and Fig. 6, and referring to figs. 1 to Fig. 4; There is the optoelectrical cable of special-shaped packing gasket, it includes reinforcement 3, to be arranged in outside reinforcement and tangent or that slightly gap is placed four transmission pressures 1, the optical fiber communication unit 2 being positioned at adjacent transmission pressure external series gap, the protective layer 5 transmission pressure and optical fiber communication unit enveloped, extrusion molding are coated on the restrictive coating 6 outside protective layer successively; It is characterized in that the special-shaped packing gasket 4 described in arbitrary embodiment in described adjacent transmission pressure external series gap with above-mentioned embodiment 1 to embodiment 3, first cylinder arc body, the second cylinder arc body of special-shaped packing gasket are close to transmission pressure, and protective layer is positioned at outside special-shaped packing gasket; A part for optical fiber communication unit is positioned at three cylindrical arc body, and optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, and optical fiber communication unit is mutually circumscribed with transmission pressure; Reinforcement and transmission pressure is tangent or arrange slightly with gap; Arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Transmission pressure is made up of conductor 11 and the insulating barrier 12 be coated on outside conductor, and optical fiber communication unit is made up of optical fiber 21 and the protection tube 22 that enveloped by optical fiber.
Certainly, the optoelectrical cable with special-shaped packing gasket described above, is characterized in that described transmission pressure is not limited to four, also can be other many.
Making has a method for the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form rope body, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body 41 connects one end of three cylindrical arc body 43, the other end of three cylindrical arc body 43 connects one end of the second cylinder arc body 42, and one end of the 4th cylinder arc body 44 connects one end of the first cylinder arc body 41, and the other end of the 4th cylinder arc body 44 connects the other end of the second cylinder arc body 42, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding, repeat above-mentioned steps and form many special-shaped packing gaskets,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; Repeat the special-shaped packing gasket that above-mentioned steps forms many compounds;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are tangent or be placed on slightly with gap outside reinforcement successively, make reinforcement and transmission pressure is tangent or place slightly with gap; The special-shaped packing gasket of every root compound to be placed in adjacent transmission pressure external series gap and to make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of the special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
Making has a method for the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form special-shaped packing gasket, described special-shaped packing gasket is formed by multiple minor structure gasket for packing bodies extrusion molding, and described multiple minor structure gasket for packing body forms a complete periphery, described minor structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, in arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all circumferentially same, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; It is external that the part of optical fiber communication unit is positioned at three cylindrical arc;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are penetrated respectively in the first cylinder arc body, the second cylinder arc body, reinforcement is penetrated the centre position of many transmission pressures, make reinforcement and transmission pressure is tangent or place slightly with gap; Adjacent transmission pressure is tangent or be placed on slightly with gap outside reinforcement successively, make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of making special-shaped packing gasket, the second cylinder arc body are close to transmission pressure, and arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
embodiment 5
Refer to Fig. 1 to Fig. 6, there is the optoelectrical cable of special-shaped packing gasket, it include reinforcement, be arranged in many transmission pressures outside reinforcement and have a filling component substantially identical with transmission pressure diameter at least, be arranged in adjacent transmission pressure external series gap or be arranged in the external series gap of adjacent filling component or be positioned at the optical fiber communication unit of adjacent transmission pressure and filling component external series gap, protective layer transmission pressure, filling component and optical fiber communication unit enveloped, extrusion molding are coated on restrictive coating outside protective layer, reinforcement and transmission pressure is tangent or arrange slightly with gap, reinforcement and filling component is tangent or arrange slightly with gap, it is characterized in that in the external series gap of filling component in described adjacent transmission pressure external series gap or adjacent or in adjacent transmission pressure and filling component external series gap, there is any one special-shaped packing gasket described above, protective layer is positioned at outside special-shaped packing gasket, when the surrounding of special-shaped packing gasket is adjacent transmission pressure, first cylinder arc body of special-shaped packing gasket, second cylinder arc body is close to transmission pressure, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, optical fiber communication unit is mutually circumscribed with transmission pressure, when the surrounding of special-shaped packing gasket be adjacent transmission pressure and filling component time, first cylinder arc body of special-shaped packing gasket, the second cylinder arc body are close to corresponding transmission pressure and filling component, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, optical fiber communication unit and transmission pressure and filling component mutually circumscribed, when the surrounding of special-shaped packing gasket is adjacent filling component, first cylinder arc body, the second cylinder arc body of special-shaped packing gasket are close to filling component, a part for optical fiber communication unit is positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body, and optical fiber communication unit is mutually circumscribed with filling component, arbitrary with in the projection in the plane of the axis perpendicular of optoelectrical cable, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle, transmission pressure is made up of conductor and the insulating barrier be coated on outside conductor, and optical fiber communication unit is made up of optical fiber and the protection tube that enveloped by optical fiber.
The manufacture method with the optoelectrical cable of special-shaped packing gasket in this embodiment, basic with embodiment 4, one of difference is: the step also having a making filling component before the step making cable core, making the step of filling component is: get polyethylene or cable sheath extruded machine put into by polypropylene, and extrusion molding forms the same with transmission pressure diameter or that diameter is basically identical filling component; And repeatable operation forms many filling components; : make in the step of cable core that at least one filling component is replaced transmission pressure with two of embodiment 4 difference.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described reinforcement is steel wire or polyethylene or polypropylene or fiberglass reinforced plastics.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of main part of described filling component is polyethylene or polypropylene.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described protective layer is waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described restrictive coating is polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described conductor is copper or aluminium or copper cover aluminum or copper-clad magnesium or aluminium in copper magnesium or aluminium alloy or magnesium alloy.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described insulating barrier is polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that described optical fiber is monomode fiber or multimode fiber.
Further, above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that described optical fiber is energy transmission optical fibre or G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type or A1a type or A1b type or A1c type or OM1 type or OM2 type or OM3 type.
Above-mentioned embodiment 4 or the optoelectrical cable with special-shaped packing gasket described in embodiment 5, is characterized in that the material of described protection tube is modified polypropene or polybutylene terephthalate (PBT) or steel.
Special-shaped packing gasket in the present invention has structure simple, easy making, humidity, processing characteristics is excellent, resistance to compression restorability is excellent, ageing-resistant, the excellent beneficial effect of elasticity.
The optoelectrical cable with special-shaped packing gasket in the present invention, owing to having used above-mentioned special-shaped packing gasket, in special-shaped packing gasket, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, therefore, optical fiber communication unit major part is positioned at three cylindrical arc body, some is positioned at outside three cylindrical arc body, because special-shaped packing gasket has excellent elasticity and toughness, therefore, optical fiber communication unit can do equally large even slightly large with three cylindrical arc body, such optical fiber communication unit can be embedded in three cylindrical arc body, form tight fit, can not overflow from three cylindrical arc body, simultaneously optical fiber communication unit and transmission pressure or special-shaped packing gasket, or transmission pressure and special-shaped packing gasket tangent, and protective layer is coated on outside cable core, and arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle, therefore cable core, protective layer is rounding more, optoelectrical cable outward appearance more rounding, smooth, due to special construction of the present invention, therefore no longer need yarn class material to wrap up, both provided cost savings, and there is not yarn class material and transmission pressure when variations in temperature, protection tube material because of temperature shrinkage/expand different and prick bad transmission wire, protection tube, and then affects the defect of optical cable performance, because optical fiber communication unit is arranged in three cylindrical arc body dexterously, even therefore the long-pending transmission of electricity in large ampacity, heavy in section lead to, do not need to make large-sized protection tube yet, provide cost savings, make protection tube more general simultaneously, due in the present invention, special-shaped packing gasket, transmission pressure, reinforcement are actually parallel mode and arrange, and without yarn class binder, therefore after workmen's stripping optical cable, no longer need to cut off yarn class binder, take out corresponding special-shaped packing gasket, then strip out protection tube lightly, can realize being separated of protection tube and special-shaped packing gasket, construction is quite convenient, efficiency is higher.
In the present invention, gasket for packing body or little gasket for packing body can also have different colors, and such light unit and transmission pressure can not have color, also can identify easily, can make that speed of production is faster like this, the versatility of light unit and transmission pressure is stronger; Also be can increase Masterbatch material in the material of gasket for packing body or little gasket for packing body, described Masterbatch can be polyethylene color masterbatch, and weight is 1% ~ 2% of gasket for packing body or little other material of gasket for packing body.
Therefore, the Advantageous Effects such as the optoelectrical cable with special-shaped packing gasket of the present invention has that structure is simple, cost is lower, more excellent performance, construction are more convenient.
The production equipment kind have the optoelectrical cable of special-shaped packing gasket in the present invention, its manufacture method simply, is easily grasped, using is few, and space hold is few, cost drops into low.
The present invention is not limited to above-mentioned preferred forms, and should be appreciated that design of the present invention can be implemented to use by other various forms, they drop in protection scope of the present invention equally.

Claims (7)

1. there is the manufacture method of the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form rope body, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, and one end of the 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding, repeat above-mentioned steps and form many special-shaped packing gaskets,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; Repeat the special-shaped packing gasket that above-mentioned steps forms many compounds;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are tangent or be placed on slightly with gap outside reinforcement successively, make reinforcement and transmission pressure is tangent or place slightly with gap; The special-shaped packing gasket of every root compound to be placed in adjacent transmission pressure external series gap and to make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of the special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
2. there is the manufacture method of the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form special-shaped packing gasket, described special-shaped packing gasket is formed by multiple minor structure gasket for packing bodies extrusion molding, and described multiple minor structure gasket for packing body forms a complete periphery, described minor structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, in arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all circumferentially same, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; It is external that the part of optical fiber communication unit is positioned at three cylindrical arc;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are penetrated respectively in the first cylinder arc body, the second cylinder arc body, reinforcement is penetrated the centre position of many transmission pressures, make reinforcement and transmission pressure is tangent or place slightly with gap; Adjacent transmission pressure is tangent or be placed on slightly with gap outside reinforcement successively, make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of making special-shaped packing gasket, the second cylinder arc body are close to transmission pressure, and arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
3. there is the manufacture method of the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form rope body, form single special-shaped packing gasket, described rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, and one end of the 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding, repeat above-mentioned steps and form many special-shaped packing gaskets,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; Repeat the special-shaped packing gasket that above-mentioned steps forms many compounds;
Making the step of filling component is: get polyethylene or cable sheath extruded machine put into by polypropylene, and extrusion molding forms the same with transmission pressure diameter or that diameter is basically identical filling component; And repeatable operation forms many filling components;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are tangent or be placed on slightly with gap outside reinforcement successively, make reinforcement and transmission pressure is tangent or place slightly with gap; The special-shaped packing gasket of every root compound to be placed in adjacent transmission pressure external series gap and to make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of the special-shaped packing gasket of compound, the second cylinder arc body are close to transmission pressure, arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Wherein, have at least one transmission pressure to be filled parts to replace; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
4. there is the manufacture method of the optoelectrical cable of special-shaped packing gasket, it is characterized in that it includes following steps:
Make the step of optical fiber communication unit: modified polypropene or polybutylene terephthalate (PBT) are inserted shearing in secondary coated plastic extruding machine, compression, melt and extrude the protection tube forming sky; Get many G.652 type or many G.653 type or many G.654 type or many G.655 type or many G.656 type or many G.657 type or many A1a types or many A1b types or many A1c types or many OM1 types or many OM2 types or many OM3 types or many Energy Transfer type optical fiber are inserted in empty protection tube, spray with the pressure of 0.2 ~ 0.4bar in the protection tube of sky simultaneously and add the fine cream that model is LT-410 or LT-420, make protection tube internal clearance compactedness >=95%, optical fiber than long 1.002 ~ 1.025 times of the length of protection tube, form optical fiber communication unit; Repeat aforesaid operations, form multiple optical fiber communication unit;
Make the step of transmission pressure: will many copper wires or multiple aluminium wire or many copper-clad aluminium wires or many copper-clad magnesium silks or many copper coated aluminum magnesium silks or many aluminum-alloy wires or many Mg alloy wires synnema formation conductor on strand winder, outside conductor, extrude by plastic extruding machine the polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl formation insulating barrier that thickness is 0.6 ~ 1.5mm, complete the processing of single transmission pressure; Repeat aforesaid operations, form many transmission pressures;
Make the step of special-shaped packing gasket: the composite material got polypropylene or polyethylene or be made up of following raw material by weight: polypropylene: 40 ~ 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 ~ 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 10 ~ 20 parts, polybutylene terephthalate (PBT): 8 ~ 12 parts, nylon 6 or nylon66 fiber: 8 ~ 12 parts, dibutyl phthalate: 2 ~ 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 ~ 3 part, aluminium hydroxide: 10 ~ 15 parts, Tissuemat E: 2 ~ 4 parts, be placed in cable plastic extruding machine, extruded by the mould of extrusion head and form special-shaped packing gasket, described special-shaped packing gasket is formed by multiple minor structure gasket for packing bodies extrusion molding, and described multiple minor structure gasket for packing body forms a complete periphery, described minor structure gasket for packing body includes rope body, rope body is made up of four sections of cylinder arc bodies, the other end of the first cylinder arc body connects one end of three cylindrical arc body, the other end of three cylindrical arc body connects one end of the second cylinder arc body, one end of 4th cylinder arc body connects one end of the first cylinder arc body, and the other end of the 4th cylinder arc body connects the other end of the second cylinder arc body, first cylinder arc body, the second cylinder arc body, three cylindrical arc body, the bending of the 4th cylinder arc body are in the same direction, equal diameters, the arc length of the first cylinder arc body and the second cylinder arc body are equal, first cylinder arc body, both the second cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, three cylindrical arc body, both the 4th cylinder arc bodies are symmetrical about the line in the center of circle, three cylindrical arc body place and the 4th center of circle, cylinder arc body place, the arc length of three cylindrical arc body is not less than 2/3 of the circumference of circle corresponding to this arc and the arc length of three cylindrical arc body is not more than 4/5 of the circumference of circle corresponding to this arc, in arbitrary cross section perpendicular with the central axis of special-shaped packing gasket, the tie point of the tie point of all other ends of the first cylinder arc body and one end of three cylindrical arc body, the other end of all three cylindrical arc bodies and one end of the second cylinder arc body, all circumferentially same, the arc length degree of described 4th cylinder arc body is 1/2 or 1/3 or 1/4 or 1/5 or 1/6 or 1/7 or 1/8 or 1/9 or 1/10 or 1/11 or 1/12 of the circumference of the circle that this arc is corresponding, the arc length degree of described first cylinder arc body is 1/2 or 1/3 or 1/4 of the circumference of the circle that this arc is corresponding,
Make the step of the special-shaped packing gasket of compound: get the optical fiber communication unit and special-shaped packing gasket made, optical fiber communication unit is embedded in the three cylindrical arc body of special-shaped packing gasket, and making a part for optical fiber communication unit be positioned at three cylindrical arc body, optical fiber communication unit contacts with whole arc bodies of three cylindrical arc body; It is external that the part of optical fiber communication unit is positioned at three cylindrical arc;
Making the step of filling component is: get polyethylene or cable sheath extruded machine put into by polypropylene, and extrusion molding forms the same with transmission pressure diameter or that diameter is basically identical filling component; And repeatable operation forms many filling components;
Make the step of cable core: get the many transmission pressures made, the special-shaped packing gasket of many compounds and reinforcement, many transmission pressures are penetrated respectively in the first cylinder arc body, the second cylinder arc body, reinforcement is penetrated the centre position of many transmission pressures, make reinforcement and transmission pressure is tangent or place slightly with gap; Adjacent transmission pressure is tangent or be placed on slightly with gap outside reinforcement successively, make that optical fiber communication unit is mutually circumscribed with adjacent transmission pressure, the first cylinder arc body of making special-shaped packing gasket, the second cylinder arc body are close to transmission pressure, and arbitrary with in the projection in the plane of the axis perpendicular of reinforcement, the circular arc of the circle that all 4th cylinder arc bodies of special-shaped packing gasket are corresponding coincides in circumferentially same and this center of circle and reinforcement the center of circle; Wherein, have at least one transmission pressure to be filled parts to replace; Form cable core;
Make finished product and there is the step of the optoelectrical cable of special-shaped packing gasket: get waterstop or nonwoven fabrics or mica tape or polyester belt or aluminium strip or steel band name copper strips and be coated on cable core and form protective layer outward; Get polyvinyl chloride or low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or low smog halogen-free polyvinyl extrusion molding to be coated on protective layer and to form restrictive coating outward, complete the making of the optoelectrical cable with special-shaped packing gasket.
5. according to claim 1 or claim 2 or claim 3 or the manufacture method with the optoelectrical cable of special-shaped packing gasket according to claim 4, it is characterized in that in the step of described making special-shaped packing gasket, single special-shaped packing gasket by weight, be made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 30 parts, melt flow rate (MFR) is the medium density polyethylene of 1.4g/10min: 15 parts, polybutylene terephthalate (PBT): 10 parts, nylon 6 or nylon66 fiber: 10 parts, dibutyl phthalate: 3 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 2 parts, aluminium hydroxide: 12.5 parts, Tissuemat E: 3 parts.
6. according to claim 1 or claim 2 or claim 3 or the manufacture method with the optoelectrical cable of special-shaped packing gasket according to claim 4, it is characterized in that in the step of described making special-shaped packing gasket, single special-shaped packing gasket by weight, be made up of following raw material: polypropylene: 40 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 25 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2g/10min: 10 parts, polybutylene terephthalate (PBT): 8 parts, nylon 6 or nylon66 fiber: 8 parts, dibutyl phthalate: 2 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 1 part, aluminium hydroxide: 10 parts, Tissuemat E: 2 parts.
7. according to claim 1 or claim 2 or claim 3 or the manufacture method with the optoelectrical cable of special-shaped packing gasket according to claim 4, it is characterized in that in the step of described making special-shaped packing gasket, single special-shaped packing gasket by weight, be made up of following raw material: polypropylene: 60 parts, when 200 DEG C, oxidation induction period is [32, 40] low density polyethylene (LDPE): 20 parts, melt flow rate (MFR) is the medium density polyethylene of 1.2 ~ 1.6g/10min: 20 parts, polybutylene terephthalate (PBT): 12 parts, nylon 6 or nylon66 fiber: 12 parts, dibutyl phthalate: 4 parts, commercially available model be 1010 plastics antioxidant or commercially available model be 168 plastics antioxidant: 3 parts, aluminium hydroxide: 15 parts, Tissuemat E: 4 parts.
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