CN106772876B - Multi-core optical fiber beam Loose tube and its manufacturing method and Yarn winding device - Google Patents
Multi-core optical fiber beam Loose tube and its manufacturing method and Yarn winding device Download PDFInfo
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- CN106772876B CN106772876B CN201710153747.4A CN201710153747A CN106772876B CN 106772876 B CN106772876 B CN 106772876B CN 201710153747 A CN201710153747 A CN 201710153747A CN 106772876 B CN106772876 B CN 106772876B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4457—Bobbins; Reels
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/4457—Bobbins; Reels
- G02B6/4458—Coiled, e.g. extensible helix
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a kind of multi-core optical fiber beam Loose tubes, comprising: optical fiber base beam, several layers optical fiber layer beam and protective layer；Several layers optical fiber layer beam is successively nested arrangement from inside to outside；The optical fiber base beam is located at the center of innermost layer optical fiber layer beam；The protective layer is wrapped in outermost optical fiber layer beam outer surface；The optical fiber base beam all has the optical fiber of equal radical with optical fiber layer beam；The optical fiber of the optical fiber base beam and the optical fiber of optical fiber layer beam chromatography number having the same；The optical fiber base beam and yarn is wound with positioned at the optical fiber layer beam outer surface of internal layer.The present invention takes several layers optical fiber layer beam to be successively nested from inside to outside arrangement, and the yarn of winding is arranged between optical fiber base beam and optical fiber layer beam and between any two layers of optical fiber layer beam；Its production technology is simpler, and the fiber optic bundle of different levels is easier to recognize.
Description
Technical field
The present invention relates to multi-core optical fiber manufacturing fields, and in particular to a kind of multi-core optical fiber beam Loose tube and its manufacturing method and
Yarn winding device.
Background technique
Currently, being currently generally used additive color ring when production is more than 12 core fibre of single tube for the ease of the identification of color
Or the recognition methods of fiber optic bundle.But in the insufficient place of light, there are certain difficulty for the identification of colour circle, such as carry on construction work at night
Or when underground construction, since optical fiber true qualities are thinner, colour circle only on the basis of original color more several black or other
The point of color, when use, easily identify mistake, higher to the construction requirement of optical cable.The method of fiber optic bundle is to be divided into all optical fiber
The several groups of equivalent, the winding bunchy such as different colours yarn is respectively adopted in every group of optical fiber outside, to be distinguish.Although the method
It can effectively identify chromatography, but production technology is more complex, also higher to production equipment requirement, general company is difficult to meet.
Summary of the invention
The present invention solves existing multi-core optical fiber casing in view of the above-mentioned problems, proposing a kind of multi-core optical fiber beam Loose tube
It is difficult to recognize and the defect of production technology complexity.
The technical solution adopted by the present invention is as follows:
A kind of multi-core optical fiber beam Loose tube, comprising: optical fiber base beam, several layers optical fiber layer beam and protective layer；Several layers optical fiber
Layer beam is successively nested arrangement from inside to outside；The optical fiber base beam is located at the center of innermost layer optical fiber layer beam；The protective layer jacket
In outermost optical fiber layer beam outer surface；
The optical fiber base beam all has the optical fiber of equal radical with optical fiber layer beam；The optical fiber and optical fiber layer of the optical fiber base beam
The optical fiber of beam chromatography number having the same；The optical fiber base beam and yarn is wound with positioned at the optical fiber layer beam outer surface of internal layer.
The present invention takes several layers optical fiber layer beam to be successively nested from inside to outside arrangement, between optical fiber base beam and optical fiber layer beam
And the yarn of winding is set between any two layers of optical fiber layer beam；Its production technology is simpler, and the fiber optic bundle of different levels is easier to
In identification.
Optionally, fiber paste is filled between the outermost optical fiber layer beam and protective layer.It can be in outermost optical fiber
The waterproof performance of multi-core optical fiber beam Loose tube is improved between layer beam and protective layer filled with fiber paste.
The invention also discloses a kind of methods for manufacturing multi-core optical fiber beam Loose tube, comprising the following steps:
1) optical fiber for the different chromatographies that the first optical fiber pay-off rack group is released pools optical fiber base beam；
2) Yarn winding device releases yarn, and yarn is wrapped on optical fiber base beam；
3) the optical fiber base beam for being wound with yarn is pulled into the second optical fiber pay-off rack group；The second optical fiber pay-off rack group will
The optical fiber of different chromatographies converges in optical fiber base beam surface and forms first layer optical fiber layer beam；
4) Yarn winding device releases yarn, and yarn is wrapped on first layer optical fiber layer beam；
5) the first layer optical fiber layer beam for being wound with yarn is pulled into third optical fiber pay-off rack group；The third optical fiber unwrapping wire
The optical fiber of different chromatographies is converged in first layer optical fiber layer beam surface and forms second layer optical fiber layer beam by frame group；
6) be repeated several times step 4) and step 5) yarn winding operation and with optical fiber converge operation, until traction optical fiber layer
Shu Yici is wound yarn and convergence optical fiber by Yarn winding device and the n-th optical fiber pay-off rack group respectively, produces (n-1)th
Layer optical fiber layer beam；
7) the good fiber optic bundle with n-th layer optical fiber layer beam of jacket is passed through into extruding machine extrusion molding again, forms jacket after cooling
Protective layer；
The first optical fiber pay-off rack group to the n-th optical fiber pay-off rack group includes equal number of several groups optical fiber unwrapping wire dresses
It sets；The second optical fiber pay-off rack group to the n-th optical fiber pay-off rack group also includes remittance line apparatus；It is set on the optical fiber wire releasing device
There are four monochromatic spectrum optical fiber unwrapping wire component, the monochromatic spectrum optical fiber unwrapping wire component is for releasing monochromatic spectrum optical fiber；The remittance is traditional thread binding
It sets and pools unidirectional fiber optic bundle for monochromatic spectrum optical fiber.The process production line successively produces, production convenience；Used
One optical fiber pay-off rack group is consistent to the n-th optical fiber pay-off rack structure, easy to produce.
Optionally, the monochromatic spectrum optical fiber unwrapping wire component includes fiber reel and pulley system, the light that the fiber reel is released
Fibre is transferred to remittance line apparatus by pulley system；The pulley system is made of a pair of pulley arranged side by side.
The invention also discloses a kind of Yarn winding devices, comprising: taper yarn casing and the line mould that converges, the taper yarn
Yarn is wound on casing, the taper yarn casing transfers out yarn in the traction of fiber optic bundle；The taper yarn casing is set
There is the axial through-hole passed through convenient for fiber optic bundle；The line mould that converges includes the fixed block equipped with perforation.
Optionally, the minimum range between remittance line mould of the taper yarn casing smallest end is 8cm~10cm.The two
If the distance between it is excessive or too small, exceed 8cm~10cm, can make wind line knot or be not easy to release.
Optionally, the penetration hole diameter d of the remittance line mould in the n-th optical fiber pay-off rack groupn=1.16*N1/2* d0+(1.5+
0.3n)。
Optionally, the half cone angle beta of each taper yarn casing should be not less than taper yarn casing smallest end and bunchy
5 times of minimum angle α between optical fiber afterwards, in which:
Tan α=(Dn/ L)/2=(dn+ 2 δ)/(2L)=(1.16*N1/2* d0+1.5+0.3n+2δ)/(2L).Setting institute
State the penetration hole diameter d in the n-th optical fiber pay-off rack groupn=1.16*N1/2*d0+(1.5+0.3n).And each taper yarn casing
Half cone angle beta should be not less than 5 times of the minimum angle α between the optical fiber after taper yarn casing smallest end and bunchy, so that respectively
The unwrapping wire of group pay off rack yarn is harmonious, it is not easy to disorder.
Optionally, the internal diameter of the through-hole is equal to the internal diameter of perforation.The internal diameter that through-hole is arranged is equal to the internal diameter of perforation, into one
Step ensure that the effect of winding remittance line.
The invention also discloses a kind of optical cable, including multi-core optical fiber beam Loose tube, the multi-core optical fiber beam Loose tube is upper
The multi-core optical fiber beam Loose tube stated.
The beneficial effects of the present invention are: the present invention takes several layers optical fiber layer beam to be successively nested from inside to outside arrangement, in light
The yarn of winding is set between fine base beam and optical fiber layer beam and between any two layers of optical fiber layer beam；Its production technology is simpler,
The fiber optic bundle of different levels is easier to recognize.
Detailed description of the invention:
Fig. 1 is the schematic diagram of the section structure of the multi-core optical fiber beam pine set of the embodiment of the present invention one；
Fig. 2 is the schematic diagram of the section structure of the multi-core optical fiber beam pine set of the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of three optical fiber pay-off rack group and Yarn winding device of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the Yarn winding device of the embodiment of the present invention three.
Each appended drawing reference in figure are as follows:
1, optical fiber base beam；2, optical fiber layer beam；3, protective layer；4, yarn；5, the first optical fiber pay-off rack group；6, the second optical fiber is put
Coil holder group；7, third optical fiber pay-off rack group；8, Yarn winding device；9, the n-th optical fiber pay-off rack group；10, taper yarn casing；
11, remittance line mould；12, optical fiber wire releasing device；13, remittance line apparatus；14, through-hole；15, it perforates；16, monochromatic spectrum optical fiber unwrapping wire component；
17, fiber reel；18, pulley system；19, fixed block；20, pulley；21, extruding machine.
Specific embodiment:
Below with reference to each attached drawing, the present invention will be described in detail.
Heretofore described n is that the serial number of optical fiber pay-off rack group (starts counting, such as Fig. 3 from far from head extrusion molding position
It counts from top to bottom).
The minimum range between remittance line mould of taper yarn casing smallest end is shown in the k in attached drawing 4 in the present invention.
Embodiment one: the invention discloses a kind of multi-core optical fiber beam Loose tubes (see attached drawing 1), comprising: if optical fiber base beam 1,
Dried layer optical fiber layer beam 2 and protective layer 3；Several layers optical fiber layer beam 2 is successively nested arrangement from inside to outside；The optical fiber base beam 1 is located at
The center of innermost layer optical fiber layer beam 2；The protective layer 3 is wrapped in outermost 2 outer surface of optical fiber layer beam；
The optical fiber base beam 1 all has the optical fiber of equal radical with optical fiber layer beam 2；The optical fiber and light of the optical fiber base beam 1
The optical fiber of fine layer beam 2 chromatography number having the same；It the optical fiber base beam 1 and is wound with positioned at 2 outer surface of optical fiber layer beam of internal layer
Yarn 4.
The present embodiment is dry construction, and yarn 4 here is using the yarn 4 that blocks water.The optical fiber base beam 1 and optical fiber layer beam 2
All have the optical fiber of equal radical and several chromatography；1 outer surface of optical fiber base beam described in pipeline is wound with yarn 4；The light
Yarn 4 is again provided between fine layer beam 2 and optical fiber layer beam 2, the yarn 4 is wrapped on the optical fiber layer beam 2 of internal layer.This reality
The protective layer 3 for applying example uses PBT material (polybutylene terephthalate (PBT)).The present embodiment is the optical fiber base beam 1 of 12 kinds of chromatographies
With optical fiber layer beam 2.
Outermost 2 outer surface of optical fiber layer beam in the present invention is wound without yarn 4.
Embodiment two: the invention discloses a kind of multi-core optical fiber beam Loose tubes (see attached drawing 2), comprising: if optical fiber base beam 1,
Dried layer optical fiber layer beam 2 and protective layer 3；Several layers optical fiber layer beam 2 is successively nested arrangement from inside to outside；The optical fiber base beam 1 is located at
The center of innermost layer optical fiber layer beam 2；The protective layer 3 is wrapped in outermost 2 outer surface of optical fiber layer beam；
The optical fiber base beam 1 all has the optical fiber of equal radical with optical fiber layer beam 2；The optical fiber and light of the optical fiber base beam 1
The optical fiber of fine layer beam 2 chromatography number having the same；It the optical fiber base beam 1 and is wound with positioned at 2 outer surface of optical fiber layer beam of internal layer
Yarn 4.Fiber paste is filled between the outermost optical fiber layer beam 2 and protective layer 3.Can outermost optical fiber layer beam 2 with
The waterproof performance of multi-core optical fiber beam Loose tube is improved between protective layer 3 filled with fiber paste.The present embodiment is filled type structure.This
The protective layer 3 of embodiment uses PBT material (polybutylene terephthalate (PBT)).The present embodiment is the optical fiber base beam of 12 kinds of chromatographies
1 and optical fiber layer beam 2.
The invention discloses a kind of optical cable, including multi-core optical fiber beam Loose tube, the multi-core optical fiber beam Loose tube is above-mentioned
Multi-core optical fiber beam Loose tube.
Embodiment three: the method (see attached drawing 3) that the invention also discloses a kind of for manufacturing multi-core optical fiber beam Loose tube, packet
Include following steps:
1) optical fiber for the different chromatographies that the first optical fiber pay-off rack group 5 is released pools optical fiber base beam 1；
2) Yarn winding device 8 releases yarn 4, and yarn 4 is wrapped on optical fiber base beam 1；
3) the optical fiber base beam 1 for being wound with yarn 4 is pulled into the second optical fiber pay-off rack group 6；Second optical fiber pay-off rack
The optical fiber of different chromatographies is converged in 1 surface of optical fiber base beam and forms first layer optical fiber layer beam 2 by group 6；
4) Yarn winding device 8 releases yarn 4, and yarn 4 is wrapped on first layer optical fiber layer beam 2；
5) the first layer optical fiber layer beam 2 for being wound with yarn 4 is pulled into third optical fiber pay-off rack group 7；The third optical fiber
The optical fiber of different chromatographies is converged in 2 surface of first layer optical fiber layer beam and forms second layer optical fiber layer beam 2 by pay off rack group 7；
6) 4 winding operation of yarn and optical fiber converge operation of step 4) and step 5) is repeated several times, until traction optical fiber layer
Beam 2 is successively wound yarn 4 and convergence optical fiber by Yarn winding device 8 and the n-th optical fiber pay-off rack group 9 respectively, produces
(n-1)th layer of optical fiber layer beam 2；
7) the good fiber optic bundle with n-1 layers of optical fiber layer beam 2 of jacket is molded by injection molding machine, forms jacket after cooling
Protective layer 3；
First optical fiber pay-off rack group, 5 to the n-th optical fiber pay-off rack group 9 includes that equal number of several groups optical fiber unwrapping wire fill
Set 12；Second optical fiber pay-off rack group, 6 to the n-th optical fiber pay-off rack group 9 also includes remittance line apparatus 13；The optical fiber unwrapping wire dress
It sets and is set on 12 there are four the monochromatic spectrum optical fiber unwrapping wire component 16 being set side by side, the monochromatic spectrum optical fiber unwrapping wire component 16 is for releasing
Monochrome spectrum optical fiber；The remittance line apparatus 13 pools unidirectional fiber optic bundle for monochromatic spectrum optical fiber.The process production line is successively
Production, production convenience；5 to the n-th optical fiber pay-off rack structure of the first optical fiber pay-off rack group used is consistent, easy to produce.
The monochromatic spectrum optical fiber unwrapping wire component 16 includes 20 system 18 of fiber reel 17 and pulley, what the fiber reel 17 was released
Optical fiber is transferred to remittance line apparatus 13 by 20 system 18 of pulley；20 system 18 of pulley is made of a pair of pulley 20 arranged side by side.
In the present invention, for dry construction, optical fiber base beam 1 and optical fiber layer beam 2 using the winding of yarn 4 that blocks water are being produced
Afterwards, the melting of PBT material is coated on outside fiber optic bundle by extruding machine 21, forms protective layer 3 after water cooling.For filled type structure,
After producing the optical fiber base beam 1 and optical fiber layer beam 2 using the winding of yarn 4 that blocks water, in the outer surface of outermost optical fiber layer beam 2
After filling fiber paste using filling device, then PBT material is melted by extruding machine 21 and is coated on outside fiber optic bundle, formed and protected after water cooling
Sheath 3.
The invention also discloses a kind of Yarn winding devices 8 (see attached drawing 4), comprising: taper yarn casing 10 and the line mould that converges
11, yarn 4 is wound on the taper yarn casing 10, and the taper yarn casing 10 transfers out yarn in the traction of fiber optic bundle
4；The taper yarn casing 10 is equipped with the axial through-hole 14 passed through convenient for fiber optic bundle；The remittance line mould 11 includes being equipped with perforation
15 fixed block 19.
The minimum range between remittance line mould 11 of the 4 casing smallest end of taper yarn is 8cm~10cm.Between the two
If distance it is excessive or too small, exceed 8cm~10cm, can make wind line knot or not.The n-th optical fiber pay-off rack group 9
It is subsequent it is adjacent converge line mould 11 15 diameter d of perforationn=1.16*N1/2* d0+(1.5+0.3n)。
Wherein: dnFor 11 diameter of bore of remittance line mould in that group of optical fiber pay-off rack group of serial number n；N was the remittance line mould
The number of fibers in 11 holes；d0For simple optical fiber diameter.
The half cone angle beta of each taper yarn casing 10 should go out not less than yarn 4 from unwrapping wire on taper yarn casing 10
Come 5 times (α of namely β >=5) of the minimum angle α between the optical fiber after bunchy, in which:
Tan α=(Dn/ L)/2=(dn+ 2 δ)/(2L)=(1.16*N1/2*d0+1.5+0.3n+2δ)/(2L)；
Here: Dn=dn+2δ；
β >=5 α=10actan [(1.16*N1/2*d0+1.5+0.3n+2δ)/(2L)]。
Wherein: Dn is the 10 portlet outer diameter of taper yarn casing in that group of optical fiber pay-off rack of serial number n；δ is taper
Device portlet end wall is thick.The 15 diameter d of perforation of the subsequent adjacent remittance line mould 11 of the n-th optical fiber pay-off rack group 9 is setn=
1.16*N1/2* d0+(1.5+0.3n).And the half cone angle beta of each taper yarn casing 10 should be not less than taper yarn set
5 times of the minimum angle α between optical fiber after 10 smallest end of pipe and bunchy, so that the unwrapping wire of each group pay off rack yarn 4 coordinates one
It causes, it is not easy to disorder.
15 axial lines having the same of the perforation of through-hole more than 14.The internal diameter of the through-hole 14 is equal to the internal diameter of perforation 15.
The internal diameter that through-hole 14 is arranged is equal to the internal diameter of perforation 15, further ensures the effect of winding remittance line.
When the present invention is implemented, 1) optical fiber of different chromatographies that the first optical fiber pay-off rack group is released pools optical fiber base beam；2)
Yarn winding device releases yarn, and yarn is wrapped on optical fiber base beam；3) the optical fiber base beam for being wound with yarn is pulled into
Second optical fiber pay-off rack group；The optical fiber of different chromatographies is converged in optical fiber base beam surface and forms the by the second optical fiber pay-off rack group
One layer of optical fiber layer beam；4) Yarn winding device releases yarn, and yarn is wrapped on first layer optical fiber layer beam；5) it is wound with yarn
The first layer optical fiber layer beam of line is pulled into third optical fiber pay-off rack group；The third optical fiber pay-off rack group is by the light of different chromatographies
Fibre converges in first layer optical fiber layer beam surface and forms second layer optical fiber layer beam；6) step 4) is repeated several times and the yarn of step 5) twines
Around operation and optical fiber converge operation, until traction optical fiber layer Shu Yici passes through Yarn winding device and the n-th optical fiber pay-off rack component
It is not wound yarn and convergence optical fiber, produces (n-1)th layer of optical fiber layer beam；7) by jacket it is good have n-1 layers of optical fiber layer beam
Fiber optic bundle by extruding machine extrusion molding, the protective layer of jacket is formed after cooling；
It wherein,, can be into after producing the optical fiber base beam and optical fiber layer beam using the yarn winding that blocks water for dry construction
The melting of PBT material is coated on outside fiber optic bundle by one step by extruding machine, and protective layer is formed after water cooling.For filled type structure,
After producing the optical fiber base beam and optical fiber layer beam using the yarn winding that blocks water, after its surface is using filling device filling fiber paste,
The melting of PBT material is coated on outside fiber optic bundle by extruding machine again, forms protective layer after water cooling.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field similarly includes within the scope of the present invention.
Claims (10)
1. a kind of multi-core optical fiber beam Loose tube characterized by comprising optical fiber base beam, several layers optical fiber layer beam and protective layer；If
Dried layer optical fiber layer beam is successively nested arrangement from inside to outside；The optical fiber base beam is located at the center of innermost layer optical fiber layer beam；The guarantor
Sheath is wrapped in outermost optical fiber layer beam outer surface；
The optical fiber base beam all has the optical fiber of equal radical with optical fiber layer beam；The optical fiber of the optical fiber base beam and optical fiber layer beam
Optical fiber chromatography number having the same；The optical fiber base beam and yarn is wound with positioned at the optical fiber layer beam outer surface of internal layer.
2. multi-core optical fiber beam Loose tube as described in claim 1, which is characterized in that the outermost optical fiber layer beam and protection
Fiber paste is filled between layer.
3. a kind of method for manufacturing multi-core optical fiber beam Loose tube, which comprises the following steps:
1) optical fiber for the different chromatographies that the first optical fiber pay-off rack group is released pools optical fiber base beam；
2) Yarn winding device releases yarn, and yarn is wrapped on optical fiber base beam；
3) the optical fiber base beam for being wound with yarn is pulled into the second optical fiber pay-off rack group；The second optical fiber pay-off rack group will be different
The optical fiber of chromatography converges in optical fiber base beam surface and forms first layer optical fiber layer beam；
4) Yarn winding device releases yarn, and yarn is wrapped on first layer optical fiber layer beam；
5) the first layer optical fiber layer beam for being wound with yarn is pulled into third optical fiber pay-off rack group；The third optical fiber pay-off rack group
The optical fiber of different chromatographies is converged in into first layer optical fiber layer beam surface and forms second layer optical fiber layer beam；
6) yarn winding operation and optical fiber converge operation of step 4) and step 5) is repeated several times, until traction optical fiber layer Shu Yici
It is wound yarn and convergence optical fiber respectively by Yarn winding device and the n-th optical fiber pay-off rack group, produces (n-1)th layer of optical fiber
Layer beam；
7) the good fiber optic bundle with n-1 layers of optical fiber layer beam of jacket is formed into the guarantor of jacket by extruding machine extrusion molding after cooling
Sheath；
The first optical fiber pay-off rack group to the n-th optical fiber pay-off rack group includes equal number of several groups optical fiber wire releasing devices；Institute
It states the second optical fiber pay-off rack group to the n-th optical fiber pay-off rack group and also includes remittance line apparatus；The optical fiber wire releasing device is equipped with four
A monochromatic spectrum optical fiber unwrapping wire component, the monochromatic spectrum optical fiber unwrapping wire component is for releasing monochromatic spectrum optical fiber；The remittance line apparatus is used
Unidirectional fiber optic bundle is pooled in monochrome spectrum optical fiber.
4. method as claimed in claim 3, which is characterized in that the monochromatic spectrum optical fiber unwrapping wire component includes fiber reel and pulley
System, the optical fiber that the fiber reel is released are transferred to remittance line apparatus by pulley system；The pulley system is by a pair of cunning arranged side by side
Wheel is constituted.
5. a kind of Yarn winding device in method described in claim 3 or 4 characterized by comprising taper yarn
Casing and the line mould that converges, are wound with yarn on the taper yarn casing, the taper yarn casing is transferred in the traction of fiber optic bundle
Yarn out；The taper yarn casing is equipped with the axial through-hole passed through convenient for fiber optic bundle；The remittance line mould includes being equipped with perforation
Fixed block.
6. Yarn winding device as claimed in claim 5, which is characterized in that the taper yarn casing smallest end with converge line
Horizontal distance between mould is 8cm~10cm.
7. Yarn winding device as claimed in claim 5, which is characterized in that the remittance line mould in the n-th optical fiber pay-off rack group
Penetration hole diameter dn=1.16*N1/2* d0+(1.5+0.3n)；Wherein: dnFor in that group of optical fiber pay-off rack group of serial number n
Remittance line mould diameter of bore；N was the number of fibers of the remittance line die hole；d0For simple optical fiber diameter.
8. Yarn winding device as claimed in claim 7, which is characterized in that the half cone angle beta of each taper yarn casing
It should be not less than 5 times of the minimum angle α between the optical fiber after taper yarn casing smallest end and bunchy, in which:
Tan α=(Dn/ L)/2=(dn+ 2 δ)/(2L)=(1.16*N1/2* d0+1.5+0.3n+2δ)/(2L)；
Wherein: Dn is the taper yarn casing portlet outer diameter in that group of optical fiber pay-off rack of serial number n；δ is that conical device is small
Port end wall thickness, L are the distance between joint and taper yarn casing smallest end of taper yarn casing smallest end extended surface.
9. Yarn winding device as claimed in claim 7, which is characterized in that the internal diameter of the through-hole, which is equal to, converges what line mould was perforated
Internal diameter.
10. a kind of optical cable, including multi-core optical fiber beam Loose tube, which is characterized in that the multi-core optical fiber beam Loose tube is wanted for right
Seek multi-core optical fiber beam Loose tube described in 1 to 2 any one claim.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193137.6A CN110058365B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber bundle loose tube |
| CN201710153747.4A CN106772876B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber beam Loose tube and its manufacturing method and Yarn winding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710153747.4A CN106772876B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber beam Loose tube and its manufacturing method and Yarn winding device |
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| CN201910193137.6A Division CN110058365B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber bundle loose tube |
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| CN106772876A CN106772876A (en) | 2017-05-31 |
| CN106772876B true CN106772876B (en) | 2019-04-16 |
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| CN201710153747.4A Active CN106772876B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber beam Loose tube and its manufacturing method and Yarn winding device |
| CN201910193137.6A Active CN110058365B (en) | 2017-03-15 | 2017-03-15 | Multi-core optical fiber bundle loose tube |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201716444U (en) * | 2010-05-03 | 2011-01-19 | 蒋菊生 | Optical fiber ribbon, optical fiber ribbon body and cable |
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| KR101351456B1 (en) * | 2012-04-05 | 2014-01-14 | 엘에스전선 주식회사 | Multi-core optical cable for air blown installation |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106772876A (en) | 2017-05-31 |
| CN110058365B (en) | 2020-07-03 |
| CN110058365A (en) | 2019-07-26 |
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