CN104714283B - A kind of mixed type loose jacketed stranded optical cable and preparation method thereof - Google Patents

A kind of mixed type loose jacketed stranded optical cable and preparation method thereof Download PDF

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Publication number
CN104714283B
CN104714283B CN201510125594.3A CN201510125594A CN104714283B CN 104714283 B CN104714283 B CN 104714283B CN 201510125594 A CN201510125594 A CN 201510125594A CN 104714283 B CN104714283 B CN 104714283B
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China
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loose tube
center reinforcemen
optical cable
fibre
fiber
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CN104714283A (en
Inventor
宋海燕
张卫强
王正刚
张义军
刘少锋
刘振华
马晓俊
朱勇
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Furukawa Electric Xian Optical Communication Co Ltd
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Furukawa Electric Xian Optical Communication Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4494Optical cables provided with water blocking or hydrophobic materials
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Strengthening and protecting features
    • G02B6/443Protective covering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4429Strengthening and protecting features
    • G02B6/4434Central member to take up tensile loads
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4479Fabrication methods
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401Optical cables
    • G02B6/4479Fabrication methods
    • G02B6/4483Injection or filling devices

Abstract

The invention discloses a kind of mixed type loose jacketed stranded optical cable and preparation method thereof, also include producing device, optical cable includes sheath, and the metal moisture-proof layer of sheath internal layer is successively set on from outside to inside and pricks yarn layer, prick in yarn layer and be provided with the Loose tube of at least one built-in fiber beam or fibre ribbon and at least one center reinforcemen, through " SZ " stranded mode longitudinally wound around center reinforcemen, the fibre bundle Loose tube of small core number is filled with the gap between built-in fibre bundle or the Loose tube of fibre ribbon.Preparation method includes:The fibre bundle Loose tube of center reinforcemen, the Loose tube of built-in fiber beam or fibre ribbon and small core number draws to Zha Shatai, drawn through synchronous drive cable core of crawler to cable core take-up stand through Go-over mould and twisted platform.Cable core structure stabilization of the present invention, rounding, external diameter are small, and unit section optical fiber dense degree is high;Conduit resource utilization rate is high.

Description

A kind of mixed type loose jacketed stranded optical cable and preparation method thereof
Technical field
The invention belongs to fiber optic cable manufacture technical field, is related to a kind of mixed type loose jacketed stranded optical cable and preparation method thereof.
Background technology
With the arrival of information age, the construction of communication network from the backbone network using optical cable as main transmission medium, Metropolitan Area Network (MAN) using optical cable as main transmission medium, access network are turned to, to meet users to business such as voice, image and data Continuous demand.Communication network is the main carriers that following whole economic society information is propagated, and what it changed is not only information biography The mode broadcast, life style and social development to the mankind will bring basic change.But, will in high speed information networking The optical fiber cable of magnanimity need to be used.On August 17th, 2013, State Council have issued " broadband China " strategy implementation scheme, deployment future 8 Year broadband developing goal and path, it is meant that " broadband strategy " rises to national strategy from department's action, and broadband turns into state first The strategic public infrastructure of family.
Use of the fiber optic communication in China comes from the seventies in last century, till now existing more than 40 year.Since this century, light Fine optical cable is used on a large scale, and dosage is increased sharply year by year.On the one hand, because IPTV, 3G, 4G networking, FTTX etc. policy branch Hold;On the other hand, because major operator provides the sharp increase of volume of business, the exploitation of rich and varied new business content, Yi Jiyin Competition between operator, the optical-fiber network input in urban infrastructure construction.
Optical fibre band optical cable is a kind of desired transmission medium during city optical communication network is built, with common beam tube loosely shielded optical cable Compare:Unit section optical fiber dense degree (i.e. unit cross-sectional area fiber number) is high, and cable outer diameter is small, saves conduit resource, uses Group's connection technology, optical cable welding efficiency is improved, be easy to lay, reduce operating expenses, optical fiber is convenient with band packet, operation maintenance, solution It is conflicting between Operator Specific Service of having determined development and limited underground piping resource etc., thus adopted extensively by major operator With.
Loose jacketed stranded optical cable is a kind of primary structure form of present communications optical cable, it the advantages of mainly have:Machinery Performance excellent (stretch-proof, torsion and flattening etc.), reliability high (fibre strain is small, and transmission performance is stable), strong applicability (are applicable Wide temperature range, available for various laying environment) etc..
However, both the above structure is combined, as loose sleeve layer strand optic fibre band optic, as shown in Figure 1.But this The cable core of kind optical cable is relative to loose sleeve layer strand type fiber bundle optical cable (as shown in Figure 2), the adjacent Loose tube of cable core and metal compound belt Between also have very big gap;So that optical fibre band optical cable unit section optical fiber dense degree relative reduction;And loose sleeve layer strand type light The twisting pitch of fibre ribbons optical cable is big (400mm~600mm), is difficult to meet design requirement in optical cable 1m infiltration tests;It is and right Have a great impact in optical cable core structural stability.
The content of the invention
It is an object of the invention to provide a kind of mixed type loose jacketed stranded optical cable and preparation method thereof, cable core structure is more steady Fixed, unit section optical fiber dense Du Genggao;Cable configuration rounding, external diameter are small, and conduit resource utilization rate is higher;Optical cable core structure Unit more rounding, the cable cream that blocks water are filled full between each construction unit so that optical cable core block-water performance is stable;Produce work Skill is simple, and product qualification rate is high;By the improvement of equipment, the stranding process for mixing cable core can be accomplished in a simple.
The purpose of the present invention is realized by following technical proposals.
According to one embodiment of present invention, a kind of mixed type loose jacketed stranded optical cable, including sheath are given, and by outer To the interior metal moisture-proof layer for being successively set on sheath internal layer and yarn layer is pricked, at least one built-in fiber is provided with the bundle yarn layer The Loose tube and at least one center reinforcemen of beam or fibre ribbon, through " SZ " stranded mode longitudinally wound in center reinforcemen week Enclose, the fibre bundle Loose tube of small core number is filled with the gap between built-in fibre bundle or the Loose tube of fibre ribbon.
Preferably, the optical fiber in the fibre bundle Loose tube of the Loose tube and small core number of built-in fibre bundle or fibre ribbon is light Fine beam or fibre ribbon matrix, fine cream is provided with around it, and the filling rate of fine cream should be not less than 80%.
Preferably, the useful space in the fibre bundle Loose tube of the small core number need to meet relationship below:
r≥0.25mm
Wherein, r=(din-df)/2
R is the useful space in optical fiber loose tube;
dinFor the internal diameter of optical fiber loose tube, dfFor the equivalent diameter of fibre bundle in Loose tube;
d0For simple optical fiber diameter, n is the fiber number in Loose tube.
Preferably, in the gap between built-in fibre bundle or the Loose tube of fibre ribbon or be further filled with gasket for packing and Tear rope.
Preferably, armor and outer jacket are further coated with successively from the inside to the outside outside sheath;Enter one pricking outside yarn layer Step is coated with band, and band material is polyester belt or waterstop;Center reinforcemen pad is further coated with outside center reinforcemen Layer.
According to another embodiment of the invention, a kind of mixed type loose jacketed stranded optical cable producing device is given, including Center reinforcemen pay off rack, and the center reinforcemen unwrapping wire being sequentially arranged along center reinforcemen pay off rack on same center line Wheels, center reinforcemen device for filling oil, Loose tube stranding Go-over mould, twisted platform, Zha Shatai, crawler, cable core take-up Straining pulley and cable core take-up stand;The center reinforcemen laying tension wheel is provided with some fibre ribbons with twisted platform center line both sides Sleeve pipe actinobacillus device and optical fiber harness sleeve actinobacillus device;Loose tube stranding Go-over mould is arranged on twisted you portion, and center is strengthened Center reinforcemen, the built-in fiber beam of fibre ribbon sleeve pipe actinobacillus device unwrapping wire or the Loose tube of fibre ribbon of part pay off rack unwrapping wire and The fibre bundle Loose tube of the small core number of optical fiber harness sleeve actinobacillus device unwrapping wire crosses line, realizes that " SZ " is twisted, pricks yarn, metal compound belt The fiber optic cable production of armouring.
Correspondingly, The present invention gives a kind of preparation method of mixed type loose jacketed stranded optical cable, comprise the steps:
A, the disk tool containing center reinforcemen is centrally disposed on reinforcer pay off rack, regulation laying tension, in opening Heart reinforcer device for filling oil;
B, center reinforcemen is released from center reinforcemen disk tool, on center reinforcemen laying tension wheel in order simultaneously The circle of row's winding at least 5, sequentially passes through center reinforcemen device for filling oil, center reinforcemen Go-over mould and twisted platform, and draw and extremely prick Yarn platform;
C, on fibre ribbon sleeve pipe actinobacillus device and optical fiber harness sleeve actinobacillus device, built-in fiber beam or optical fiber are placed respectively The fibre bundle Loose tube of the Loose tube of band and small core number, adjust laying tension;
D, make successively the Loose tube of built-in fiber beam or fibre ribbon and the fibre bundle Loose tube of small core number by tension force guide wheel, Center reinforcemen Go-over mould and twisted platform, finally draw to Zha Shatai;
E, by different chromatogram built-in fiber beams or fibre ribbon Loose tube and the fibre bundle Loose tube of small core number, alternating is according to color Spectrum puts in order, and crosses line by the fibre bundle Loose tube Go-over mould and fibre bundle or fibre ribbon Loose tube of corresponding small core number respectively Mould;
F, by center reinforcemen, the Loose tube of built-in fiber beam or fibre ribbon, the fibre bundle Loose tube of small core number and traction Rope is fixed, and is drawn to the ceases to be busy disk tool of cable core take-up stand;
G, computer control cabinet, the optical fiber of center reinforcemen, the Loose tube of built-in fiber beam or fibre ribbon and small core number are opened Beam Loose tube is twisted into cable core through twisted platform, then fixes cable core in Zha Shatai, drives cable core through crawler is synchronous;
H, cable core passes through crawler, through cable core takeup tension wheel, ceases to be busy disk of the wound side by side in cable core take-up stand On.
Preferably, the Loose tube laying tension of the built-in fiber beam or fibre ribbon is 17.5N~22.0N, small core number Fibre bundle Loose tube laying tension is 3.0N~4.0N, and center reinforcemen laying tension is 80N~100N.
Preferably, bundle yarn pitches of the Zha Shatai on optical cable cable heart surface exists in 20mm~30mm, yarn-binding tension control 300g~400g.
Preferably, the internal orifice dimension of the center reinforcemen device for filling oil is at least above center reinforcemen external diameter 2mmm, center Oil temperature is 15 DEG C~20 DEG C in reinforcer device for filling oil.
The beneficial effects of the invention are as follows:
1st, mixed type loose jacketed stranded optical cable of the present invention, it is twisted in cell gap, fills out in adjacent two fibre ribbon Loose tubes Fibre bundle Loose tube filled with small core number, it can further improve optical cable unit section optical fiber dense degree so that limited city Conduit resource obtains more sufficiently utilizing.
2nd, mixed type loose jacketed stranded optical cable of the present invention, unit is twisted in adjacent two fibre ribbon Loose tubes, filled with small The fibre bundle Loose tube of core number or small external diameter gasket for packing so that optical cable core structure rounding, and fibre ribbon pine in optical cable core It is mutually circumscribed between sleeve pipe, fibre bundle Loose tube and metal compound belt, it is ensured that the interaction of optical cable core construction unit, structure are steady It is fixed.
3rd, mixed type loose jacketed stranded optical cable of the present invention, unit is twisted in adjacent two fibre ribbon Loose tubes, filled with small The fibre bundle Loose tube of core number or small external diameter gasket for packing, make cable core structure tend to rounding, and the filling of cable cream is full, it is ensured that optical cable is each Twisted permeability performance between unit and metal compound belt meets design requirement.
4th, mixed type loose jacketed stranded optical cable of the present invention, unit is twisted in adjacent two fibre ribbon Loose tubes, filled with small The fibre bundle Loose tube of core number or small external diameter gasket for packing, it is ensured that loose jacketed stranded optical cable is at big twisting pitch (400mm~600mm) During with different temperature in use, cable cream permeability performance meets to require.
5th, mixed type loose jacketed stranded optical cable of the present invention, cable cream is filled to center reinforcemen in cabling process, it is ensured that cable core The filling of cable cream is full in internal clearance, it is ensured that permeability performance meets that design will between optical cable center reinforcemen and each twisted unit Ask.
6th, for the present invention according to the producing device of mixed type loose jacketed stranded optical cable, what is be sequentially arranged on same center line is each Individual equipment can accurately control technological parameter, easy to identify and simple to operate, can ensure that properties of product are stable.
7th, the present invention employs control built-in fiber beam or optical fiber according to the manufacture craft of mixed type loose jacketed stranded optical cable The fibre bundle Loose tube laying tension of the Loose tube of band and small core number, and center reinforcemen laying tension, control device for filling oil Oil-filled temperature and precharge pressure, it can ensure that optical fiber has equivalent optical fiber telescopic window in fibre ribbon sleeve pipe and optical fiber harness sleeve Mouthful, it can ensure that ointment fills full, performance in the gap by being formed between fibre ribbon Loose tube and fibre bundle Loose tube It is stable.
Brief description of the drawings
Fig. 1 is loose sleeve layer strand optic fibre band optic structural representation;
Fig. 2 is loose sleeve layer strand type fiber bundle optical cable structural representation;
Fig. 3 is eight unit mixed type loose jacketed stranded optical cable structural representations of the invention;
Fig. 4 is 12 unit mixed type loose sleeve layer strand type armored optical cable structural representations of the invention;
Fig. 5 is mixed type loose jacketed stranded optical cable cabling procedure production equipment schematic diagram;
Fig. 6 is ordinary optical cable Loose tube stranding Go-over mould accessory schematic diagram;
Fig. 7 is eight unit hybrid optical cable Loose tube stranding Go-over mould accessory schematic diagrames;
Fig. 8 is 12 unit hybrid optical cable Loose tube stranding Go-over mould accessory schematic diagrames;
In figure:1st, sheath, 2, metal moisture-proof layer, 3, prick yarn, 4, block water cable cream, 5, center reinforcemen, 6, built-in fiber beam Or the Loose tube of fibre ribbon, 6, the fibre bundle Loose tube of small core number, 7, fibre bundle or fibre ribbon matrix, 8, fine cream, 9, tear Rope, 10, gasket for packing, 11, center reinforcemen bed course, 12, armor, 13, outer jacket, 14, center reinforcemen pay off rack, 15, in Heart reinforcer laying tension wheel, 16, fibre ribbon sleeve pipe actinobacillus device, 17, optical fiber harness sleeve actinobacillus device, 18, center reinforcemen Device for filling oil, 19, Loose tube stranding Go-over mould, 20, twisted platform, 21, Zha Shatai, 22, computer control cabinet, 23, crawling traction dress Put, 24, cable core takeup tension wheel, 25, cable core take-up stand, 26, Loose tube Go-over mould hole, 27, center reinforcemen Go-over mould hole, 191st, eight unit mixed type Loose tube stranding Go-over mould, 192,12 unit mixed type Loose tube stranding Go-over mould accessories, 261, Fibre bundle Loose tube Go-over mould hole, 262, fibre ribbon Loose tube Go-over mould hole.
Embodiment
The present invention or invention are described in detail with reference to the accompanying drawings and detailed description.
The mixed type loose jacketed stranded optical cable, including sheath 1, and the metal of the internal layer of sheath 1 is successively set on from outside to inside Moisture-proof layer 2 and bundle yarn layer 3, prick in yarn layer 3 and are provided with the Loose tube 6 and at least one of at least one built-in fiber beam or fibre ribbon Individual center reinforcemen 5, through " SZ " stranded mode longitudinally wound around center reinforcemen 5, wherein, in built-in fibre bundle or optical fiber The fibre bundle Loose tube 6 of small core number is filled with gap between the Loose tube 6 of band,.
It is interior to be provided with the fine cream 4 that blocks water in the fibre bundle Loose tube 6 of the Loose tube 6 and small core number of built-in fibre bundle or fibre ribbon. The fibre bundle Loose tube 6 of the Loose tube 6 and small core number of built-in fiber beam or fibre ribbon, interior is fibre bundle or fibre ribbon matrix 7, its Surrounding is provided with fine cream 8, and the filling rate of fine cream 8 should be not less than 80%.
The fibre bundle Loose tube 6 of small core number, the interior useful space need to meet relationship below:
r≥0.25mm
Wherein, r=(din-df)/2
R is the useful space in optical fiber loose tube;
dinFor the internal diameter of optical fiber loose tube, dfFor the equivalent diameter of fibre bundle in Loose tube;
d0For simple optical fiber diameter, n is the fiber number in Loose tube.
Meet that above formula condition can ensure the Loose tube 6 of fibre bundle or fibre ribbon and the fibre bundle Loose tube 6 of small core number, have Identical fiber-draw window, ensure there is synchronous fibre strain curve when being stretched power.
Specific embodiment is given below to further illustrate the structure of mixed type loose jacketed stranded optical cable of the present invention.
Embodiment 1:
As shown in figure 3, it is eight unit mixed type loose jacketed stranded optical cable structural representations.The optical cable core is by containing optical fiber Loose tube 6, the fibre bundle Loose tube 6 of small core number of the built-in fiber beam or fibre ribbon of beam or fibre ribbon matrix 7 and fine cream 8, with " SZ " stranded mode pricks yarn 3 longitudinally wound around center reinforcemen 5, then being twisted two-way winding outside unit, forms stabilization Optical cable core;Then optical cable core is indulged category moisture-proof layer 2 covered with gold leaf, squeezed successively filled with block water cable cream 4, and tear rope 9 outside cable core Sheath 1 is moulded, forms the present invention.
Wherein, sheath 1 is polythene material, low-smoke halide-free fireproof composite polyolefine material, polyamide material or thermoplastic poly Urethane material.The double-deck loop configuration formed for the individual layer loop configuration of homogenous material formation, two kinds of materials or two or more materials Expect the multi-layer annular structure formed.
Wherein, metal moisture-proof layer 2 is composite steel-plastic belt, aluminium-plastic tape, compound copper-plastics band, metal plastic composite foil or not Become rusty steel band.
Wherein, yarn 3 and presumable band are pricked, it should be ensured that cable core structure is stable, rounding, band material can be polyester belt, Waterstop etc..
Wherein, the cable cream 4 that blocks water is applied for cold applied or heating.
Wherein, block water cable cream 4, can outside center reinforcemen 5 and cable core the surface of Loose tube 6 of built-in fiber beam or fibre ribbon Coating, the gap filling for forming the Loose tube 6, metal moisture-proof layer 2 and center reinforcemen 5 of built-in fiber beam or fibre ribbon are full It is full.
Wherein, center reinforcemen 5 can be the metal strength members such as phosphating steel wire, mild steel wire, coppered steel wire, or non- Metal strength members, such as:Fiberglass-reinforced plastic lever, aramid fiber reinforced plastics bar, Basalt fiber reinforced plastic bar, high-modulus Polyethylene fibre reinforced plastics bar.
Wherein, the Loose tube 6 of built-in fiber beam or fibre ribbon, can be modified polypropylene material, modified polycarbonate or poly- Mutual-phenenyl two acid bromide two alcohol ester's material.
Wherein, the Loose tube 6 of center reinforcemen 5 and built-in fiber beam or fibre ribbon is circumscribed, adjacent fiber band Loose tube Also it is circumscribed.
Wherein, the Loose tube 6 of built-in fiber beam or fibre ribbon and two adjacent built-in fiber beams or the pine set of fibre ribbon Pipe 6 is mutually circumscribed;The external diameter of the Loose tube 6 of built-in fiber beam or fibre ribbon, be according to adjacent Loose tube with by bundle yarn and may The circle phase inscribe that some bands 3 are formed is calculated;
Wherein, the actual outside diameter value of fibre bundle Loose tube 6, should be less than the external diameter value of theoretical calculation, and actual outside diameter value is compared In the small about 0mm~0.6mm of theoretical external diameter value.
Wherein, in fibre ribbon matrix 7, maximum fibre ribbon can be 24 cores;Same root built-in fiber beam or fibre ribbon Loose tube 6 in, can be made up of the fibre bundle or fibre ribbon matrix 7 of different core numbers.
Wherein, the filling rate of fine cream 8 should be not less than 80% in the Loose tube 6 of built-in fiber beam or fibre ribbon.
The technical parameter requirement of the Loose tube 6 of above-mentioned built-in fiber beam or fibre ribbon is suitable for the fibre bundle pine of small core number Sleeve pipe 6,.
Embodiment 2:
As shown in figure 4, it is 12 unit mixed type loose sleeve layer strand type armored optical cable structural representations.It and embodiment 1 are not It is with part:It is 12 that optical cable core, which is twisted unit number increase, and cable core is twisted unit and includes gasket for packing 10, and center is strengthened 5 outer extrusion molding of part has center reinforcemen bed course 11, is indulged successively outside sheath 1 and is surrounded by armor 12, extrusion molding has outer jacket 13.
Wherein, the gasket for packing 10, it can be polythene material, polypropylene material or be contained by what foaming technique manufactured The gasket for packing of PBT servings, the external diameter of gasket for packing 10 are identical with the external diameter of fibre bundle or fibre ribbon Loose tube.
Wherein, center reinforcemen bed course 11, can be polythene material, polypropylene material, polybutylene terephthalate (PBT) Material or expanded material;The thickness of center reinforcemen bed course 11, between should ensure that adjacent fiber band Loose tube, and fibre ribbon Loose tube is homogeneously circumscribed with center reinforcemen bed course 11.
Wherein, armor 12 can be composite steel-plastic belt, it is aluminium-plastic tape, compound copper-plastics band, metal plastic composite foil, stainless Steel band, glass fiber tape, glass fiber yarn, aramid yarn, basalt yarn, polyester yarn, ultra-high modulus polyethylene fiber yarn etc..
Wherein, outer jacket 13 can be polythene material, low-smoke halide-free fireproof composite polyolefine material, polyamide material etc.;It is described The color of outer jacket 13 can be black, red, yellow etc.;The outer jacket 13 can contain longitudinal direction at least 1 and be different from sheath face The vitta of color.
It shown below is mixed type loose jacketed stranded optical cable cable core making apparatus and preparation method.
As shown in figure 5, it is mixed type loose jacketed stranded optical cable cabling procedure production equipment schematic diagram.Comprising capital equipment Have:Center reinforcemen pay off rack 14, center reinforcemen laying tension wheel 15, fibre ribbon Loose tube actinobacillus device 16, fibre bundle pine Sleeve pipe actinobacillus device 17, center reinforcemen device for filling oil 18, Loose tube stranding Go-over mould 19, platform 20 is twisted, pricks yarn platform 21, computer Control cabinet 22, crawler 23, cable core takeup tension wheel 24, cable core take-up stand 25.
Wherein, center reinforcemen pay off rack 14, center reinforcemen laying tension wheel 15, center reinforcemen device for filling oil 18, Loose tube stranding Go-over mould 19, twisted platform 20, prick yarn platform 21, crawler 23, cable core takeup tension wheel 24 and cable core receipts The center of coil holder 25, it is in same center line.
Wherein, fibre ribbon sleeve pipe actinobacillus device 16, optical fiber harness sleeve actinobacillus device 17 are located at the both sides of center line respectively;Light Fibre ribbons sleeve pipe actinobacillus device 16 and 17 respective quantity of optical fiber harness sleeve actinobacillus device are according to (fibre bundle or fibre ribbon) in cable core Depending on the sum of Loose tube 6.
Wherein, all same of Loose tube stranding Go-over mould 19 everywhere is twisted in platform 20, is twisted in the Go-over mould 19 in platform 20 Heart reinforcer Go-over mould hole 27, connected by empty annulus blank pipe in one, to avoid the cable cream on the surface of center reinforcemen 5 from splashing.
As shown in fig. 6, it is the schematic diagram of ordinary optical cable Loose tube stranding Go-over mould 19.Include the He of Loose tube Go-over mould hole 26 Center reinforcemen Go-over mould hole 27.
Wherein, the hole count in Loose tube Go-over mould hole 26, not less than the sum of cable core Loose tube;Loose tube Go-over mould hole 26 is equal It is even to be distributed in around Loose tube stranding Go-over mould 19.
Wherein, in ordinary optical cable Loose tube stranding Go-over mould 19, the external diameter all same in Loose tube Go-over mould hole 26.
As shown in fig. 7, it is the schematic diagram of eight unit hybrid optical cable Loose tube stranding Go-over mould 191.Include fibre bundle pine Sleeve pipe Go-over mould hole 261, fibre ribbon Loose tube Go-over mould hole 262 and center reinforcemen Go-over mould hole 27.
Wherein, the hole count in fibre bundle Loose tube Go-over mould hole 261 is 4;The hole in fibre ribbon Loose tube Go-over mould hole 262 Number is 4.Fibre bundle Loose tube Go-over mould hole 261 is uniformly distributed with the interval of fibre ribbon Loose tube Go-over mould hole 262.
Wherein, fibre bundle Loose tube Go-over mould 261, the external diameter of fibre ribbon Loose tube Go-over mould 262, than Loose tube 6 External diameter is big, and its external diameter value is bigger 1mm~6mm than the external diameter value of Loose tube 6.
Wherein, the circle external diameter formed with the center in 4 fibre bundle Loose tube holes 261, than with 4 fibre ribbon pine sets of holes pipes The circle external diameter that 262 center is formed is big, two round external diameter difference 0.5mm~2.0mm.
As shown in figure 8, being 12 unit hybrid optical cable Loose tube stranding Go-over mould accessory schematic diagrames, its structure is substantially same Fig. 7, the difference is that the distribution in fibre bundle Loose tube hole 261 and fibre ribbon pine sets of holes pipe 262 is applied to 12 unit hybrid opticals Cable Loose tube stranding crosses line.
The preparation method that shown below is mixed type loose jacketed stranded optical cable, comprises the following steps:
A, the disk tool containing center reinforcemen 5 is centrally disposed on reinforcer pay off rack 14, adjusts laying tension, open Center reinforcemen device for filling oil 18;
B, center reinforcemen 5 is filled into center reinforcemen to release, on center reinforcemen laying tension wheel 15 in order side by side The circle of winding at least 5, sequentially passes through center reinforcemen device for filling oil 18, center reinforcemen Go-over mould hole 27 and twisted platform 20, finally Yarn platform 21 is extremely pricked in traction;
Wherein, it is 80N~100N to adjust the laying tension of center reinforcemen 5;The internal orifice dimension of center reinforcemen device for filling oil 18 At least above the external diameter 2mmm of center reinforcemen 5, oil temperature is 15 DEG C~20 DEG C in center reinforcemen device for filling oil 18;
C, on fibre ribbon sleeve pipe actinobacillus device 16 and optical fiber harness sleeve actinobacillus device 17, respectively place built-in fiber beam or The fibre bundle Loose tube 6 of the Loose tube 6 of fibre ribbon and small core number, the unwrapping wire of Loose tube 6 for adjusting built-in fiber beam or fibre ribbon is opened Power is 17.5N~22.0N, adjusts the fibre bundle Loose tube 6 of small core number, and laying tension is 3.0N~4.0N;
Fibre ribbon sleeve pipe actinobacillus device 16, optical fiber harness sleeve actinobacillus device 17 and center reinforcemen pay off rack 14, are used Active unwrapping wire;The fibre bundle Loose tube 6 of the Loose tube 6 of center reinforcemen 5, fibre bundle or fibre ribbon and small core number, unwrapping wire Speed is synchronous, and speed is maintained at 30m/min~40m/min;
D, make the Loose tube 6 of built-in fiber beam or fibre ribbon and the fibre bundle Loose tube 6 of small core number successively, pass through tension force Guide wheel, center reinforcemen Go-over mould 19 and twisted platform 20, finally traction to bundle yarn platform 21;
E, by the fibre bundle Loose tube 6 of the Loose tube 6 and small core number of different chromatogram built-in fiber beams or fibre ribbon, alternately Put in order according to chromatogram, pass sequentially through corresponding fibre bundle Loose tube Go-over mould hole 261 and fibre ribbon Loose tube Go-over mould hole 262;
F, by the Loose tube 6 of center reinforcemen 5, built-in fiber beam or fibre ribbon and fibre bundle Loose tube 6 with small core number, Pull rope is fixed, and is drawn to the ceases to be busy disk tool of cable core take-up stand 25;
G, computer control cabinet 22 is opened, the Loose tube 6 of center reinforcemen 5, built-in fiber beam or fibre ribbon is through twisted platform 20 With the fibre bundle Loose tube 6 of small core number, wait and be twisted into optical cable core, then optical cable core is fixed pricking yarn platform 21, through crawling traction Device 23 is synchronous to drive optical cable core;Yarn platform 21 is pricked in the bundle yarn pitch on optical cable core surface in 20mm~30mm, bundle yarn Tension force is in 300g~400g;
H, optical cable core crosses crawler 23, and through cable core takeup tension wheel 24, wound side by side is in cable core take-up stand 25 Ceases to be busy disk on.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted, Although the present invention is described in detail with reference to example, it will be understood by those within the art that, can be to the present invention Technical scheme modify or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, it all should cover Among scope of the presently claimed invention.

Claims (5)

  1. A kind of 1. producing device of mixed type loose jacketed stranded optical cable, it is characterised in that including center reinforcemen pay off rack (14), And be sequentially arranged along center reinforcemen pay off rack (14) on same center line center reinforcemen laying tension wheel (15), center Reinforcer device for filling oil (18), Loose tube stranding Go-over mould (19), twisted platform (20), Zha Shatai (21), crawler (23), cable core takeup tension wheel (24) and cable core take-up stand (25);The center reinforcemen laying tension wheel (15) and twisted platform (20) center line both sides are provided with some fibre ribbon sleeve pipe actinobacillus devices (16) and optical fiber harness sleeve actinobacillus device (17);Loose tube Stranding Go-over mould (19) is arranged on twisted platform (20) end, by the center reinforcemen (5) of center reinforcemen pay off rack (14) unwrapping wire, The built-in fiber beam of fibre ribbon sleeve pipe actinobacillus device (16) unwrapping wire or the Loose tube (6) of fibre ribbon and optical fiber harness sleeve actinobacillus device (17) the fibre bundle Loose tube (6) of the small core number of unwrapping wire crosses line, realizes that " SZ " is twisted, pricks yarn, the optical cable of metal compound belt armouring Make.
  2. 2. a kind of preparation method of mixed type loose jacketed stranded optical cable, it is characterised in that comprise the steps:
    A, the disk tool containing center reinforcemen (5) is centrally disposed on reinforcer pay off rack (14), adjusts laying tension, open Center reinforcemen device for filling oil (18);
    B, center reinforcemen (5) is released from center reinforcemen disk tool, by suitable on center reinforcemen laying tension wheel (15) Sequence wound side by side at least 5 encloses, and sequentially passes through center reinforcemen device for filling oil (18), center reinforcemen Go-over mould (27) and twisted platform (20), and draw to Zha Shatai (21);
    C, on fibre ribbon sleeve pipe actinobacillus device (16) and optical fiber harness sleeve actinobacillus device (17), respectively place built-in fiber beam or The Loose tube (6) of fibre ribbon and the fibre bundle Loose tube (6) of small core number, adjust laying tension;
    D, the fibre bundle Loose tube (6) of the Loose tube of built-in fiber beam or fibre ribbon (6) and small core number is made to be led by tension force successively Wheel, center reinforcemen Go-over mould (19) and twisted platform (20), finally draw to Zha Shatai (21);
    E, by the fibre bundle Loose tube (6) of the Loose tube (6) and small core number of different chromatogram built-in fiber beams or fibre ribbon, alternating Put in order according to chromatogram, pass through corresponding fibre bundle Loose tube Go-over mould hole (261) and fibre ribbon Loose tube Go-over mould respectively Hole (262);
    F, by the Loose tube (6) of center reinforcemen (5), built-in fiber beam or fibre ribbon, the fibre bundle Loose tube (6) of small core number Fix, drawn to the ceases to be busy disk tool of optical cable core take-up stand (25) with pull rope;
    G, computer control cabinet (22), the Loose tube (6) and small core number of center reinforcemen (5), built-in fiber beam or fibre ribbon are opened Fibre bundle Loose tube (6) be twisted into optical cable core through twisted platform (20), then optical cable core is fixed in Zha Shatai (21), through carrying out With draw-gear (23) synchronization optical cable core is driven;
    H, optical cable core passes through crawler (23), and through cable core takeup tension wheel (24), wound side by side is in cable core take-up stand (25) on ceases to be busy disk.
  3. 3. the preparation method of mixed type loose jacketed stranded optical cable according to claim 2, it is characterised in that the built in light Loose tube (6) laying tension of fine beam or fibre ribbon is 17.5N~22.0N, and fibre bundle Loose tube (6) unwrapping wire of small core number is opened Power is 3.0N~4.0N, and center reinforcemen (5) laying tension is 80N~100N.
  4. 4. the preparation method of mixed type loose jacketed stranded optical cable according to claim 2, it is characterised in that the Zha Shatai (21) the bundle yarn pitch on optical cable cable heart surface is controlled in 300g~400g in 20mm~30mm, yarn-binding tension.
  5. 5. the preparation method of mixed type loose jacketed stranded optical cable according to claim 2, it is characterised in that the center adds The internal orifice dimension of strong part device for filling oil (18) is at least above center reinforcemen (5) external diameter 2mm, in center reinforcemen device for filling oil (18) Oil temperature is 15 DEG C~20 DEG C.
CN201510125594.3A 2015-03-20 2015-03-20 A kind of mixed type loose jacketed stranded optical cable and preparation method thereof Active CN104714283B (en)

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CN104681158A (en) * 2015-03-10 2015-06-03 江苏中辰电缆有限公司 Slurry-resistant oil-resistant power cable for oil platform
CN105278066A (en) * 2015-11-17 2016-01-27 江苏亨通光电股份有限公司 Double layer co-extrusion method for extremely micro air-blowing optical cable, and the extremely micro air-blowing optical cable
CN105417279A (en) * 2015-12-25 2016-03-23 天津奥林奥克通信科技有限公司 Automatic pay-off device
CN107589505A (en) * 2017-10-13 2018-01-16 无锡市华翎电工机械设备有限公司 Optical cable stranding production method
CN107870402B (en) * 2017-11-30 2020-01-14 长飞光纤光缆股份有限公司 Loose-sleeve layer stranded optical cable and cabling device and cabling process thereof
CN110531475B (en) * 2019-08-30 2020-10-09 江苏中天科技股份有限公司 Easy-to-strip flexible optical fiber micro-tube
CN111090156A (en) * 2020-01-21 2020-05-01 南京华信藤仓光通信有限公司 Optical cable with novel structure and production method thereof

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US6519399B2 (en) * 2001-02-19 2003-02-11 Corning Cable Systems Llc Fiber optic cable with profiled group of optical fibers
CN2681153Y (en) * 2004-02-28 2005-02-23 江苏亨通光电股份有限公司 Optical fiber mixed optical cable for long distance backbone network
US7206481B2 (en) * 2004-12-21 2007-04-17 Corning Cable Systems, Llc. Fiber optic cables manufactured as an assembly and method for manufacturing the same
CN103176253B (en) * 2013-03-21 2017-04-05 富通集团有限公司 A kind of manufacture method and manufacture system of loose tube fiber

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Denomination of invention: Mixing loose tube type layer-stranding optical cable and manufacturing method thereof

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