CN108152902A - Multicore bunchy self-support cable and its manufacturing method - Google Patents
Multicore bunchy self-support cable and its manufacturing method Download PDFInfo
- Publication number
- CN108152902A CN108152902A CN201810039643.5A CN201810039643A CN108152902A CN 108152902 A CN108152902 A CN 108152902A CN 201810039643 A CN201810039643 A CN 201810039643A CN 108152902 A CN108152902 A CN 108152902A
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- Prior art keywords
- loose tube
- cable
- multicore
- bunchy
- self
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 14
- 241000606750 Actinobacillus Species 0.000 claims description 30
- 239000004760 aramid Substances 0.000 claims description 20
- 229920003235 aromatic polyamide Polymers 0.000 claims description 20
- 230000002708 enhancing effect Effects 0.000 claims description 14
- 229920006231 aramid fiber Polymers 0.000 claims description 13
- 235000019271 petrolatum Nutrition 0.000 claims description 9
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000009193 crawling Effects 0.000 claims description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- -1 polybutylene terephthalate Polymers 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 2
- 235000011613 Pinus brutia Nutrition 0.000 claims description 2
- 241000018646 Pinus brutia Species 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229940085805 fiberall Drugs 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/4436—Heat resistant
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- 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
Abstract
The invention discloses multicore bunchy self-support cable and its manufacturing method, structure includes messenger section and cable portion, and the messenger section is connected with cable portion by suspender belt；The cable portion adds two tear ropes to extrude low-smoke halogen-free flame-retardant sheath to form by cable core.The optical cable accommodates several optical fiber respectively using more Loose tubes, and Loose tube directly carries out parallel unwrapping wire in sheath process, eliminates cabling procedure, simplify production procedure, improve production efficiency, can make the branch's laying simultaneously of multicore Loose tube.
Description
Technical field
The present invention relates to a kind of optical cable, specifically multicore bunchy self-support cable and its manufacturing method,.
Background technology
A series of policies are guided and the evolution of technology, have pushed the fast development of a broadband access network new round, the need of optical cable
Seek also rapid growth.How optical cable to be made further to save construction time and space, reduce construction cost, be optical fiber cable factory
The realistic problem that family or construction technical staff encounter.
In broadband access network process of construction, 8-shaped optical cable is obtained because itself can bear certain pulling force in network construction
To commonly used, but 8-shaped access optical cable is mostly Loose tube layer-twisted type at present, need to carry out sheath again after cabling procedure stranding
Production；Though in addition, central tubular 8-shaped optical cable do not need to stranding can direct sheath, optical fiber all collects in central tube type optical cable
In in a Loose tube, it is impossible to carry out branch's laying.
Invention content
The purpose of the present invention is to provide multicore bunchy self-support cable and its manufacturing method, which is covered using more pines
Pipe accommodates several optical fiber respectively, and Loose tube directly carries out parallel unwrapping wire in sheath process, eliminates cabling procedure, simplify life
Flow is produced, improves production efficiency, the branch's laying simultaneously of multicore Loose tube can be made.
The technical scheme adopted by the invention to solve the technical problem is that：Multicore bunchy self-support cable and its manufacturer
Method, structure include messenger section and cable portion, and the messenger section is connected with cable portion by suspender belt；The optical cable portion
It is divided to and two tear ropes is added to extrude low-smoke halogen-free flame-retardant sheath by cable core to form.
Further, it is made of in the cable core the more Loose tubes and aramid yarn that are placed in parallel.
Further, the Loose tube is 1-4 roots, is equipped with multifiber in every Loose tube, filled stone between multifiber
Ointment, the wrapped aramid yarn of Loose tube external helicoid.
Further, the messenger section is made of enhancing messenger wire and low-smoke halogen-free flame-retardant sheath, enhances messenger wire and cable core
External low-smoke halogen-free flame-retardant sheath is connected as a single entity by suspender belt.
The manufacturing method of multicore bunchy self-support cable and its manufacturing method, includes the following steps：
The first step：The preparation of light unit
It is drawn and is molded by extruding machine, polybutylene terephthalate (PBT) (PBT) is drawn into Loose tube, while into pipe
It is sent into optical fiber and fills petroleum jelly, optical fiber is made to be suspended in the petroleum jelly in Loose tube, anti-pressure measurement is played to optical fiber and buffering is protected
Shield；
Second step：Prepare before restrictive coating
A, Loose tube is mounted on light unit actinobacillus device, light unit actinobacillus device carries out active release by unwrapping wire motor
Line, laying tension control range are 1N-10N；
B, aramid yarn being mounted on aramid fiber actinobacillus device, aramid fiber actinobacillus device carries out active unwrapping wire by unwrapping wire motor,
Its laying tension control range is 2N-20N；
C, enhancing messenger wire is mounted on enhancing messenger wire actinobacillus device, laying tension control range is 20N-200N；
D, tear rope is mounted on tear rope actinobacillus device, laying tension control range is 2N-15N；
Third walks：Restrictive coating production procedure
Apply the pulling force of production mode reform by crawling traction, Loose tube is released through Loose tube actinobacillus device, by being twisted mould
During tool, converged with water resistance aramid fiber yarn, by around axis rotating Vortex, aramid yarn spiral being twisted and is wound on around Loose tube,
Cable core is formed, when continuing through extruding machine, the tear rope that cable core and process tear rope actinobacillus device are released is together with enhancing messenger wire
It is parallel at extrusion die to converge, one layer of low-smoke halogen-free flame-retardant sheath material is extruded by extruding machine, forms fire-retardant oversheath, finally
Finished product is formed after bosh cools down rapidly, is stored on take-up reel tool.
Further, the pay off rack quantity of the aramid fiber actinobacillus device is 6-24.
The beneficial effects of the invention are as follows：
1st, cable core using the wrapped aramid yarn of spiral as reinforcing element, while the tensile capacity of guarantee optical cable, effectively
The bending property for improving optical cable and reduce cable outer diameter, alleviate optical cable weight, play block-water effect；Cable core both sides with
Two tear ropes are placed in parallel between sheath, efficiently solve the problems, such as the construction stripping of optical cable outer jacket.
2nd, during sheath, using water resistance aramid fiber yarn carry out spiral it is twisted, can enhance optical cable tensile capacity and
Resistance effect is played, avoids because of aramid yarn and material water-proof material problem used at the same time, reduces the use of raw material, Neng Goujian
Metaplasia is produced, and cost-effective.In addition, the setting of aramid yarn can wrap up Loose tube, Loose tube is avoided to be hindered with outer layer low smoke and zero halogen
Combustion protective cover material is adhered.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is production procedure schematic diagram.
In figure：
1 Loose tube, 2 aramid yarns, 3 enhancing messenger wires, 4 tear ropes, 5 optical fiber, 6 petroleum jellys, 7 low-smoke halogen-free flame-retardant sheaths, 8 cables
Core, 9 Loose tube actinobacillus devices, 10 aramid fiber actinobacillus devices, 101 axis, 102 twisted molds, 11 enhancing messenger wire actinobacillus devices, 12 tears
Rope actinobacillus device, 13 extruding machine, 131 extrusion die, 14 boshes, 15 crawling tractions, 16 take-up reels tool.
Specific embodiment
With reference to Figure of description to the multicore bunchy self-support cable and its manufacturing method of the present invention, say in detailed below
It is bright.
As shown in Figure 1, the multicore bunchy self-support cable and its manufacturing method of the present invention, including messenger section and optical cable portion
Point, the messenger section is connected with cable portion by suspender belt；The cable portion is that two tear ropes 4 to be added to extrude by cable core low
Cigarette halogen-free flameproof sheath 7 forms.
It is made of in the cable core 8 the more Loose tubes 1 and aramid yarn 2 that are placed in parallel.The setting of aramid yarn can wrap
Loose tube is wrapped up in, avoids being adhered for Loose tube 1 and outer layer low-smoke halogen-free flame-retardant sheath material.
Compared with traditional handicraft, reduce the cabling procedure of cable core, save production cost, improve production efficiency, and
The use of aramid yarn can not refill water blocking yarn and block water, reduce the use of raw material
The Loose tube 1 is 1-4 roots, and multifiber 5 is equipped in every Loose tube, petroleum jelly 6 is filled between multifiber,
The wrapped aramid yarn 2 of 1 external helicoid of Loose tube.Cable core, as reinforcing element, is ensureing optical cable using the wrapped aramid yarn of spiral
Tensile capacity while, effectively raise the bending property of optical cable and reduce cable outer diameter, alleviate optical cable weight, rise
To block-water effect；Two tear ropes are placed in parallel between cable core both sides and sheath, the construction for efficiently solving optical cable outer jacket is opened
Stripping problem.
The messenger section is made of enhancing messenger wire 3 and low-smoke halogen-free flame-retardant sheath 7, is enhanced outside messenger wire and cable core
Low-smoke halogen-free flame-retardant sheath is connected as a single entity by suspender belt.
As shown in Fig. 2, the manufacturing method of multicore bunchy self-support cable and its manufacturing method, includes the following steps：
The first step：The preparation of light unit
It is drawn and is molded by extruding machine, polybutylene terephthalate (PBT) (PBT) is drawn into Loose tube, while into pipe
It is sent into optical fiber and fills petroleum jelly, optical fiber is made to be suspended in the petroleum jelly in Loose tube, anti-pressure measurement is played to optical fiber and buffering is protected
Shield；
Second step：Prepare before restrictive coating
A, Loose tube is mounted on light unit actinobacillus device, light unit actinobacillus device carries out active release by unwrapping wire motor
Line, laying tension control range are 1N-10N；
B, aramid yarn is mounted on aramid fiber actinobacillus device 10, aramid fiber actinobacillus device carries out active release by unwrapping wire motor
Line, laying tension control range are 2N-20N；The pay off rack quantity of the aramid fiber actinobacillus device is 6-24.
C, enhancing messenger wire is mounted on enhancing messenger wire actinobacillus device, laying tension control range is 20N-200N；
D, tear rope is mounted on tear rope actinobacillus device, laying tension control range is 2N-15N；
Third walks：Restrictive coating production procedure
Apply the pulling force of production mode reform by crawling traction 15, Loose tube is released through Loose tube actinobacillus device 9, by twisted
During mold 102, converged with aramid yarn, by around 101 rotating Vortex of axis, aramid yarn spiral being twisted the week for being wound on Loose tube
Enclose, form cable core 8, when continuing through extruding machine, cable core and the tear rope released by tear rope actinobacillus device 12 together with increasing
Messenger wire is parallel at extrusion die 131 by force converges, and extrudes one layer of low-smoke halogen-free flame-retardant sheath material by extruding machine 13, is formed fire-retardant
Oversheath most forms finished product after bosh 14 rapidly cooling afterwards, stores on take-up reel tool 16.To cable core Loose tube, virtue
The spiral of synthetic fibre yarn is wrapped, tear rope placement, enhancing messenger wire and cable core sheath process carry out rationalization integration, can be same
One procedure carries out the manufacturing method of integrated production, improves the production efficiency of optical cable.
The above, some principles for the present invention that only explains through diagrams, this specification are not intended to limit to the present invention
In the shown concrete structure and the scope of application, thus it is every it is possible that the corresponding modification being utilized and equivalent,
Belong to the apllied the scope of the claims of the present invention.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (6)
1. multicore bunchy self-support cable, it is characterized in that, including messenger section and cable portion, the messenger section and optical cable portion
Divide and pass through suspender belt connection；The cable portion adds two tear ropes to extrude low-smoke halogen-free flame-retardant sheath to form by cable core.
2. multicore bunchy self-support cable according to claim 1, it is characterized in that, by being placed in parallel in the cable core
More Loose tubes and aramid yarn composition.
3. multicore bunchy self-support cable according to claim 2, it is characterized in that, the Loose tube is 1-4 roots, every pine
Multifiber is equipped in casing, petroleum jelly, the wrapped aramid yarn of Loose tube external helicoid are filled between multifiber.
4. multicore bunchy self-support cable according to claim 1, it is characterized in that, the messenger section is by enhancing messenger wire
It is formed with low-smoke halogen-free flame-retardant sheath, enhances the low-smoke halogen-free flame-retardant sheath outside messenger wire and cable core and be connected as a single entity by suspender belt.
5. the manufacturing method of multicore bunchy self-support cable, it is characterized in that, include the following steps：
The first step：The preparation of light unit
It is drawn and is molded by extruding machine, polybutylene terephthalate (PBT) (PBT) is drawn into Loose tube, while be sent into pipe
Optical fiber simultaneously fills petroleum jelly, and optical fiber is made to be suspended in the petroleum jelly in Loose tube, anti-pressure measurement and buffer protection are played to optical fiber；
Second step：Prepare before restrictive coating
A, Loose tube being mounted on light unit actinobacillus device, light unit actinobacillus device carries out active unwrapping wire by unwrapping wire motor,
Its laying tension control range is 1N-10N；
B, aramid yarn is mounted on aramid fiber actinobacillus device, aramid fiber actinobacillus device carries out active unwrapping wire by unwrapping wire motor, puts
Line tension control range is 2N-20N；
C, enhancing messenger wire is mounted on enhancing messenger wire actinobacillus device, laying tension control range is 20N-200N；
D, tear rope is mounted on tear rope actinobacillus device, laying tension control range is 2N-15N；
Third walks：Restrictive coating production procedure
Applying the pulling force of production mode reform by crawling traction, Loose tube is released through Loose tube actinobacillus device, during by twisted mold,
Converged with water resistance aramid fiber yarn, by around axis rotating Vortex, aramid yarn spiral being twisted and is wound on around Loose tube, forms cable
Core, when continuing through extruding machine, cable core and the tear rope released by tear rope actinobacillus device are squeezing out together with enhancing messenger wire
It is parallel at mold to converge, one layer of low-smoke halogen-free flame-retardant sheath material is extruded by extruding machine, forms fire-retardant oversheath, most afterwards through cooling
Sink forms finished product after cooling down rapidly, stores on take-up reel tool.
6. the manufacturing method of multicore bunchy self-support cable according to claim 5, it is characterized in that, the aramid fiber unwrapping wire dress
The pay off rack quantity put is 6-24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039643.5A CN108152902A (en) | 2018-01-16 | 2018-01-16 | Multicore bunchy self-support cable and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039643.5A CN108152902A (en) | 2018-01-16 | 2018-01-16 | Multicore bunchy self-support cable and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108152902A true CN108152902A (en) | 2018-06-12 |
Family
ID=62461471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039643.5A Pending CN108152902A (en) | 2018-01-16 | 2018-01-16 | Multicore bunchy self-support cable and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108152902A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962511A (en) * | 2018-07-11 | 2018-12-07 | 铜陵市铜都特种线缆有限公司 | A kind of communication cable armoring device |
| CN108962507A (en) * | 2018-07-11 | 2018-12-07 | 铜陵市铜都特种线缆有限公司 | A kind of communication cable stranding device convenient to use |
| CN109991710A (en) * | 2019-04-03 | 2019-07-09 | 西安西古光通信有限公司 | A kind of process units and production method of low windage self-support cable |
| CN114265161A (en) * | 2021-12-07 | 2022-04-01 | 长飞光纤光缆股份有限公司 | High-speed preparation method and system suitable for 8-shaped optical cable |
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| JPH0886944A (en) * | 1994-07-20 | 1996-04-02 | Hitachi Cable Ltd | Production of optical fiber cable with hanging wire |
| US6546175B1 (en) * | 2000-05-26 | 2003-04-08 | Corning Cable Systems Llc | Self-supporting fiber optic cable |
| CN201348665Y (en) * | 2008-10-28 | 2009-11-18 | 长飞光纤光缆有限公司 | Double-loose-bushing micro-optical cable |
| CN201489164U (en) * | 2009-08-04 | 2010-05-26 | 江苏通鼎光电股份有限公司 | Semi-dry access optical cable |
| CN103474176A (en) * | 2013-09-23 | 2013-12-25 | 浙江天杰实业有限公司 | Method for manufacturing reinforced stable type data cable |
| CN204241733U (en) * | 2014-11-27 | 2015-04-01 | 西安西古光通信有限公司 | A kind of cable core contains three unit small-sized layer-stranding cables of stiffener |
-
2018
- 2018-01-16 CN CN201810039643.5A patent/CN108152902A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0886944A (en) * | 1994-07-20 | 1996-04-02 | Hitachi Cable Ltd | Production of optical fiber cable with hanging wire |
| US6546175B1 (en) * | 2000-05-26 | 2003-04-08 | Corning Cable Systems Llc | Self-supporting fiber optic cable |
| CN201348665Y (en) * | 2008-10-28 | 2009-11-18 | 长飞光纤光缆有限公司 | Double-loose-bushing micro-optical cable |
| CN201489164U (en) * | 2009-08-04 | 2010-05-26 | 江苏通鼎光电股份有限公司 | Semi-dry access optical cable |
| CN103474176A (en) * | 2013-09-23 | 2013-12-25 | 浙江天杰实业有限公司 | Method for manufacturing reinforced stable type data cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962511A (en) * | 2018-07-11 | 2018-12-07 | 铜陵市铜都特种线缆有限公司 | A kind of communication cable armoring device |
| CN108962507A (en) * | 2018-07-11 | 2018-12-07 | 铜陵市铜都特种线缆有限公司 | A kind of communication cable stranding device convenient to use |
| CN109991710A (en) * | 2019-04-03 | 2019-07-09 | 西安西古光通信有限公司 | A kind of process units and production method of low windage self-support cable |
| CN109991710B (en) * | 2019-04-03 | 2024-02-23 | 西安西古光通信有限公司 | Production device and manufacturing method of low-wind-resistance self-supporting optical cable |
| CN114265161A (en) * | 2021-12-07 | 2022-04-01 | 长飞光纤光缆股份有限公司 | High-speed preparation method and system suitable for 8-shaped optical cable |
| CN114265161B (en) * | 2021-12-07 | 2022-08-30 | 长飞光纤光缆股份有限公司 | High-speed preparation method and system suitable for 8-shaped optical cable |
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Application publication date: 20180612 |