CN105891981A - FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof - Google Patents
FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof Download PDFInfo
- Publication number
- CN105891981A CN105891981A CN201610336226.8A CN201610336226A CN105891981A CN 105891981 A CN105891981 A CN 105891981A CN 201610336226 A CN201610336226 A CN 201610336226A CN 105891981 A CN105891981 A CN 105891981A
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- CN
- China
- Prior art keywords
- frp
- optical cable
- armouring
- nonmetal
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- G02B6/4486—Protective covering
Abstract
The invention discloses an FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and a manufacture process thereof. The FRP rod armored nonmetal rat-proof optical cable includes an optical cable core, an FRP rod armored layer and an outer protective layer, wherein the optical cable core is wrapped with the FRP rod armored layer; and the FRP rod armored layer is wrapped with the outer protective layer. The manufacture process of the FRP rod armored nonmetal rat-proof optical cable includes the following steps that: FRP rods are stranded at the exterior of the optical cable core in an armoring manner through adopting an SZ stranding mode, so that the optical cable core can be wrapped with and protected by the FRP rods; when the armoring and wrapping of the FRP rods are carried out, fastening yarns are adopted to fasten the FRP rods and fix the FRP rods at the exterior of the optical cable core; the FRP rod armored optical cable is released from a pay-off rack, and is built in an extrusion type module; and the outer protective layer is formed through extrusion. The FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable of the invention is relatively simple in structure and processing technology, and can be realized with easiness. Compared with a traditional metal armored physical rat-proof optical cable, the FRP rod armored nonmetal rat-proof optical cable has the advantages of decreased cost, improved production efficiency and prolonged service life, and can meet the requirements of existing application environments and decrease optical cable communication failure caused by rats.
Description
Technical field
The present invention relates to optical cable manufacture field, particularly relate to a kind of FRP nonmetal rodent-resistant cable of bar armouring and manufacturing process thereof.
Background technology
Along with the reinforcement of China environmental protection, ecological environment has obtained good improvement, and the Sciurus vulgaris in mountain area etc. is increasingly severe to the damage of optical cable, impact communication normal.Rodent-resistant cable has become a kind of optical cable common in the communications cable.Usual relatively effective rodent-resistant cable is to carry out protection against rodents by physical protection mode.
Physics protection against rodents generally uses the mode that armouring is protected; most efficient method is carefully to justify zinc-coated wire armouring; with the metal armouring protection against rodents of stainless steel band armouring, next to that use nonmetal glass fiber yarn or the non-metallic sheath protection against rodents such as nonmetal glass fiber tape armouring and nylon sheath wire protection.Although metal protection against rodents effect is preferable but relatively costly, production efficiency is low, does not possess anti-lightning strike performance；And traditional non-metallic sheath protection against rodents, not only cost is high and protection against rodents effect is unsatisfactory, is not suitable for the area the plague of rats is the most serious and uses.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of FRP nonmetal rodent-resistant cable of bar armouring and manufacturing process thereof, reduce cost than traditional metal armouring physics rodent-resistant cable, improve production efficiency, disclosure satisfy that existing environmental applications requirement, extend the service life of optical cable, reduce the fiber optic cable communications fault that the plague of rats causes.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of FRP nonmetal rodent-resistant cable of bar armouring, including optical cable core, FRP bar armor and outer jacket, described optical cable core is coated with described FRP bar armor, and described FRP bar armor is coated with described outer jacket.
In a preferred embodiment of the present invention, tubular type cable core or layer-twisted type cable core centered by described optical cable core.
In a preferred embodiment of the present invention, described FRP bar armor is fiberglass-reinforced plastic lever.
In a preferred embodiment of the present invention, described FRP bar armor is the FRP bar armor being arranged in around optical cable core in the stranded mode of SZ by many FRP bars and forming full cladding.
In a preferred embodiment of the present invention, the material of described outer jacket is PE or the sheath material adding protection against rodents repellant.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provides the manufacturing process of a kind of FRP nonmetal rodent-resistant cable of bar armouring, comprises the following steps:
(1) use SZ stranded mode that stranded for FRP bar armouring carries out outside optical cable core cladding protection；
(2) while carrying out FRP bar armouring cladding, use bundle yarn to be tightened and be fixed on outside cable core；
(3) optical cable being complete FRP bar armouring is released from pay off rack, be built in squash type extruded mould；
(4) outer sheath material is by extruding machine outside extrusion molding head is extruded in the optical cable of armouring FRP bar, extrudes formation outer jacket.
In a preferred embodiment of the present invention, in step (1), FRP bar quantity and the conductor assembly outer diameter of armouring match, and use the stranded mode of SZ with the stranded armouring of twisting pitch of 200 ~ 500mm.
In a preferred embodiment of the present invention, the bundle yarn mode used in step (2) is bidirectional screw grafting, and it pricks yarn pitch is 20 ~ 60mm.
In a preferred embodiment of the present invention, step (4) to outer jacket and carries out evacuation process with vacuum pump while outer jacket extrudes after FRP armouring between optical cable.
In a preferred embodiment of the present invention, step (4) extrudes obtain outer jacket be HDPE sheath or add protection against rodents repellant HDPE sheath.
The invention has the beneficial effects as follows: the cable configuration of the present invention make use of the physics protection against rodents effect of FRP bar to carry out effective protection against rodents, its cable configuration and processing technique are relatively easy, easily realize, reduce cost than traditional metal armouring physics rodent-resistant cable, improve production efficiency, disclosure satisfy that existing environmental applications requirement, extend the service life of optical cable, reduce the fiber optic cable communications fault that the plague of rats causes.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is FRP bar armouring of the present invention nonmetal rodent-resistant cable end face structure schematic diagram；
Fig. 2 is central tubular cable core structure schematic diagram；
Fig. 3 is layer-twisted type cable core structure schematic diagram；
Fig. 4 is FRP bar SZ armoured process process schematic；
Fig. 5 is plsitive mold structural representation；
Fig. 6 is sheath extrusion process process schematic；
In accompanying drawing, the labelling of each parts is as follows: 1, optical cable core, 2, FRP bar, 3, outer jacket, 4, optical fiber, 5, Loose tube, 6, fine cream or dry filling material, 7, optical fiber loose tube, 8, bed course, 9, center reinforcement FRP, 10, gasket for packing, 11, cable cream or dry type material water-proof material, 12, inner sheath, 13, optical cable core pay off rack, 14, FRP bar pay off rack, 15, the stranded head of SZ, 16, twin-feed spiral yarn bundler, 17, cable core after FRP bar armouring, 18, first traction, 19, first take-up stand, 20, core rod, 21, die sleeve, 22, sheath pay off rack, 23, vacuum pump, 24, extrusion head, 25, extruding machine, 26, bosh, 27, finished cable, 28, second traction, 29, second take-up stand.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Referring to Fig. 1 to Fig. 2, Fig. 4 to Fig. 6, embodiment 1 includes:
A kind of FRP nonmetal rodent-resistant cable of bar armouring, including optical cable core 1, FRP bar armor and outer jacket 3, described optical cable core 1 is coated with described FRP bar armor, described FRP bar armor is coated with described outer jacket 3, described FRP bar armor is fiberglass-reinforced plastic lever, described FRP bar armor is to be arranged in optical cable core 1 surrounding by many FRP bars 2 in the stranded mode of SZ to form the FRP bar armor of full cladding, and the material of described outer jacket 3 is HDPE sheath material.
Tubular type cable core centered by described optical cable core 1, including optical fiber 4, Loose tube 5 and fine cream or dry filling material 6, is filled with fine cream or dry filling material 6 between optical fiber 4 and Loose tube 5.
FRP bar armouring nonmetal rodent-resistant cable process for making is:
1) according to Fig. 4, optical cable core 1 is released from optical cable core pay off rack 13, the stranded mode of SZ is used to pass from stranded 15 centre bores of SZ, FRP bar 2 is released from FRP bar pay off rack 14, pass from stranded 15 stranded holes of SZ, S and Z both direction is carried out the most stranded with the twisting pitch of 200 ~ 500mm by SZ stranded 15, at twisting point, carry out pricking yarn by twin-feed spiral yarn bundler 16 bidirectional screw grafting fix, it pricks yarn pitch is 20 ~ 60mm, prick the cable core 17 after forming FRP bar armouring after yarn is fixed, the 18 to the first take-up stand 19 drum take-up is drawn through first, the FRP bar quantity of armouring and conductor assembly outer diameter match；Use the stranded mode of SZ with 200,300,400 or 500mm the stranded armouring of preferred twisting pitch, the bundle yarn mode of employing is bidirectional screw grafting, and it preferably pricks yarn pitch is 20,30,40,50 or 60mm；
2) according to Fig. 6, cable core 17 after FRP bar armouring is released from sheath pay off rack 22, carry out oversheath through the extrusion head 24 of extruding machine 25 to extrude, plsitive mold includes core rod 20 and die sleeve 21, while extruding, by vacuum pump 23, extrusion die inner chamber is carried out evacuation process, extrude that to obtain outer jacket be HDPE sheath, after finished cable 27 cooled tank 26 cooling after extruding, by the second traction 28 traction to take-up stand 29 drum take-up, complete the production process of the nonmetal rodent-resistant cable of FRP armouring.
Referring to Fig. 1, Fig. 3 to Fig. 6, embodiment 2 includes:
A kind of FRP nonmetal rodent-resistant cable of bar armouring, including optical cable core 1, FRP bar armor and outer jacket 3, described optical cable core 1 is coated with described FRP bar armor, described FRP bar armor is coated with described outer jacket 3, described FRP bar armor is fiberglass-reinforced plastic lever, described FRP bar armor is to be arranged in optical cable core 1 surrounding by many FRP bars 2 in the stranded mode of SZ to form the FRP bar armor of full cladding, and the material of described outer jacket 3 adds the HDPE sheath material of protection against rodents repellant.
Described optical cable core 1 is layer-twisted type cable core, including optical fiber loose tube 7, bed course 8, center reinforcement FRP 9, gasket for packing 10, cable cream or dry type material water-proof material 11 and inner sheath 12, center reinforcement FRP 9 is coated with bed course 8, the stranded optical fiber loose tube 7 having containing optical fiber in bed course 8 periphery, also can stranded gasket for packing 10, optical fiber loose tube 7 is coated with inner sheath 12, is filled with cable cream or dry type material water-proof material 11 between optical fiber loose tube 7 and inner sheath 12.
FRP bar armouring nonmetal rodent-resistant cable process for making is:
1) according to Fig. 4, optical cable core 1 is released from optical cable core pay off rack 13, the stranded mode of SZ is used to pass from stranded 15 centre bores of SZ, FRP bar 2 is released from FRP bar pay off rack 14, pass from stranded 15 stranded holes of SZ, S and Z both direction is carried out the most stranded with the twisting pitch of 200 ~ 500mm by SZ stranded 15, at twisting point, carry out pricking yarn by twin-feed spiral yarn bundler 16 bidirectional screw grafting fix, it pricks yarn pitch is 20 ~ 60mm, prick the cable core 17 after forming FRP bar armouring after yarn is fixed, the 18 to the first take-up stand 19 drum take-up is drawn through first, the FRP bar quantity of armouring and conductor assembly outer diameter match；Use the stranded mode of SZ with 200,300,400 or 500mm the stranded armouring of preferred twisting pitch, the bundle yarn mode of employing is bidirectional screw grafting, and it preferably pricks yarn pitch is 20,30,40,50 or 60mm；
2) according to Fig. 6, cable core 17 after FRP bar armouring is released from sheath pay off rack 22, carry out oversheath through the extrusion head 24 of extruding machine 25 to extrude, plsitive mold includes core rod 20 and die sleeve 21, while extruding, by vacuum pump 23, extrusion die inner chamber is carried out evacuation process, extrude and obtain the HDPE sheath that outer jacket is interpolation protection against rodents repellant, after finished cable 27 cooled tank 26 cooling after extruding, by the second traction 28 traction to the second take-up stand 29 drum take-up, complete the production process of the nonmetal rodent-resistant cable of FRP armouring.
The present invention utilizes FRP bar armor as the physics protection against rodents protective layer of optical cable so that it is reaches certain protection against rodents effect, provides the selection of a kind of novel metalloid rodent-resistant cable for lightguide cable link.FRP bar armouring protection against rodents protective layer in this cable configuration have employed the stranded mode of SZ; breach the production and processing technology that conventional helical is stranded; its production process is made to control relatively easy; easily realize; reduce cost than traditional metal armouring physics rodent-resistant cable, improve production efficiency; disclosure satisfy that existing environmental applications requirement, extend the service life of optical cable, reduce the fiber optic cable communications fault that the plague of rats causes.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (10)
1. the FRP nonmetal rodent-resistant cable of bar armouring, it is characterised in that include optical cable core, FRP bar armor and outer jacket, described optical cable core is coated with described FRP bar armor, and described FRP bar armor is coated with described outer jacket.
The FRP nonmetal rodent-resistant cable of bar armouring the most according to claim 1, it is characterised in that tubular type cable core or layer-twisted type cable core centered by described optical cable core.
The FRP nonmetal rodent-resistant cable of bar armouring the most according to claim 1, it is characterised in that described FRP bar armor is fiberglass-reinforced plastic lever.
The FRP nonmetal rodent-resistant cable of bar armouring the most according to claim 1, it is characterised in that described FRP bar armor is the FRP bar armor being arranged in around optical cable core in the stranded mode of SZ by many FRP bars and forming full cladding.
The FRP nonmetal rodent-resistant cable of bar armouring the most according to claim 1, it is characterised in that the material of described outer jacket is PE or the sheath material adding protection against rodents repellant.
The manufacturing process of the FRP nonmetal rodent-resistant cable of bar armouring the most according to claim 1, it is characterised in that comprise the following steps:
(1) use SZ stranded mode that stranded for FRP bar armouring carries out outside optical cable core cladding protection；
(2) while carrying out FRP bar armouring cladding, use bundle yarn to be tightened and be fixed on outside cable core；
(3) optical cable being complete FRP bar armouring is released from pay off rack, be built in squash type extruded mould；
(4) outer sheath material is by extruding machine outside extrusion molding head is extruded in the optical cable of armouring FRP bar, extrudes formation outer jacket.
Manufacturing process the most according to claim 6, it is characterised in that in step (1), FRP bar quantity and the conductor assembly outer diameter of armouring match, and use the stranded mode of SZ with the stranded armouring of twisting pitch of 200 ~ 500mm.
Manufacturing process the most according to claim 6, it is characterised in that the bundle yarn mode used in step (2) is bidirectional screw grafting, it pricks yarn pitch is 20 ~ 60mm.
Manufacturing process the most according to claim 6, it is characterised in that to outer jacket and carry out evacuation process with vacuum pump after FRP armouring between optical cable while outer jacket extrudes in step (4).
Manufacturing process the most according to claim 6, it is characterised in that step (4) extrudes obtain outer jacket be HDPE sheath or add protection against rodents repellant HDPE sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610336226.8A CN105891981A (en) | 2016-05-20 | 2016-05-20 | FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610336226.8A CN105891981A (en) | 2016-05-20 | 2016-05-20 | FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof |
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| CN105891981A true CN105891981A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610336226.8A Pending CN105891981A (en) | 2016-05-20 | 2016-05-20 | FRP (fiber reinforce plastic) rod armored nonmetal rat-proof optical cable and manufacture process thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107340577A (en) * | 2017-08-01 | 2017-11-10 | 长飞光纤光缆股份有限公司 | A kind of self-supporting layer-twisted type anti-rat-bite optical cable and its manufacture method |
| CN107608043A (en) * | 2017-09-11 | 2018-01-19 | 长飞光纤光缆股份有限公司 | A kind of all dielectric self-supporting protection against rodents leading in cable |
| CN108490567A (en) * | 2018-04-27 | 2018-09-04 | 深圳市特发信息光电技术有限公司 | A kind of nonmetallic anti-rodent optical cable of abnormity FRP armourings and its processing technology |
| CN109116491A (en) * | 2018-09-26 | 2019-01-01 | 江苏通光光缆有限公司 | A kind of nonmetallic flame-proof cable |
| CN111292883A (en) * | 2020-02-17 | 2020-06-16 | 中天科技海缆有限公司 | Light-duty nonmetal armor submarine cable |
| CN114296193A (en) * | 2021-12-22 | 2022-04-08 | 江苏亨通海洋光网系统有限公司 | Method and device for enhancing cable aramid yarn armor layer cladding force |
| CN117649983A (en) * | 2024-01-29 | 2024-03-05 | 江苏亨通华海科技股份有限公司 | Preparation process of steel wire embedded cable |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340577A (en) * | 2017-08-01 | 2017-11-10 | 长飞光纤光缆股份有限公司 | A kind of self-supporting layer-twisted type anti-rat-bite optical cable and its manufacture method |
| CN107608043A (en) * | 2017-09-11 | 2018-01-19 | 长飞光纤光缆股份有限公司 | A kind of all dielectric self-supporting protection against rodents leading in cable |
| CN108490567A (en) * | 2018-04-27 | 2018-09-04 | 深圳市特发信息光电技术有限公司 | A kind of nonmetallic anti-rodent optical cable of abnormity FRP armourings and its processing technology |
| CN109116491A (en) * | 2018-09-26 | 2019-01-01 | 江苏通光光缆有限公司 | A kind of nonmetallic flame-proof cable |
| CN111292883A (en) * | 2020-02-17 | 2020-06-16 | 中天科技海缆有限公司 | Light-duty nonmetal armor submarine cable |
| CN111292883B (en) * | 2020-02-17 | 2021-11-30 | 中天科技海缆股份有限公司 | Light-duty nonmetal armor submarine cable |
| CN114296193A (en) * | 2021-12-22 | 2022-04-08 | 江苏亨通海洋光网系统有限公司 | Method and device for enhancing cable aramid yarn armor layer cladding force |
| CN114296193B (en) * | 2021-12-22 | 2024-04-02 | 江苏亨通华海科技股份有限公司 | Method and device for enhancing cladding force of aramid yarn armor layer of cable |
| CN117649983A (en) * | 2024-01-29 | 2024-03-05 | 江苏亨通华海科技股份有限公司 | Preparation process of steel wire embedded cable |
| CN117649983B (en) * | 2024-01-29 | 2024-03-29 | 江苏亨通华海科技股份有限公司 | Preparation process of steel wire embedded cable |
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Application publication date: 20160824 |
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