CN207164325U - A kind of water-drop-shaped self-support cable - Google Patents
A kind of water-drop-shaped self-support cable Download PDFInfo
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- CN207164325U CN207164325U CN201721090072.5U CN201721090072U CN207164325U CN 207164325 U CN207164325 U CN 207164325U CN 201721090072 U CN201721090072 U CN 201721090072U CN 207164325 U CN207164325 U CN 207164325U
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Abstract
The utility model announces a kind of water-drop-shaped self-support cable, including strand core, cable core, and strand core, cable core are provided with cavity, and the diameter of strand core is less than the diameter of cable core, and the structure that oversheath, cable core, strand core are formed is drops structure；Cable core includes the metal center reinforcer positioned at cable core center, the periphery of metal center reinforcer is coated with HDPE sheaths, the periphery of HDPE sheaths is surrounded with fiber unit layer, fiber unit layer includes being more than or equal to three fiber units, fiber unit includes curing optical fiber, ferrule, ferrule is coated on curing optical fiber periphery, and fiber unit layer periphery is surrounded with stainless loose sleeve pipe, and the periphery of stainless loose sleeve pipe is coated with successively from the inside to the outside pricks yarn layer, nylon sheath wire.The structure design that the technical program encloses cable core, strand core, oversheath is drops, and the surface of oversheath is smooth, reduces horizontal force of the blast to optical cable.
Description
Technical field
It the utility model is related to optical cable technology field, and in particular to a kind of water-drop-shaped self-support cable.
Background technology
Self-support cable is also known as All Dielectric self-support, refers to that optical cable itself reinforcement composition can bear deadweight and the external world is negative
Lotus.Its performance must assure that being capable of normal use in the adverse circumstances such as sleet frost and dust and dirt.
Self-support cable is typically using stranded cables layer by layer, and layer-stranding cable is by the Loose tube of more receiving optical fiber around center
Reinforcer twisting into rounding cable core.Metal or non-metal reinforcement member are located at the center of optical cable, and the Loose tube for accommodating optical fiber encloses
Arranged around reinforcer.
And the self-support cable of existing use, in strong wind, ice and snow, dust storm large area in use, due to itself being in " 8 "
Font structure, groove is obvious, and easy accumulated snow and icing, increase the load of optical cable in groove, causes the serious elongation or disconnected of optical cable
The possibility increase of line, shorten the service life of self-support cable.
Based on this, there is provided a kind of water-drop-shaped self-support cable.
Utility model content
The purpose of this utility model is：For the self-bearing type being applied in the prior art in the adverse circumstances such as sleet frost
Optical cable, due to having groove in itself structure, ice and snow is easily accumulated, increase optical cable load, causes its optical cable can in the presence of what is broken
It can increase, shorten the technical problem of its service life, based on a kind of this water-drop-shaped self-support cable of offer, cable configuration is designed
For drops, and the smooth outer surface of optical cable, stainless steel spring silk layer will be designed in the cable core structure of optical cable, is bearing optical cable
Elastically-deformable energy is had a certain recovery in the case of gravity to power, the possibility that avoid gravity from causing to break to cable configuration, from
And solve the influence that existing self-support cable is susceptible to accumulated snow and icing, cause the technology that optical cable occurs breaking etc. to be asked
Topic.
The utility model is achieved through the following technical solutions：
A kind of water-drop-shaped self-support cable, including strand core, cable core, strand core, cable core are provided with cavity, and steel strand wires
Core, the outer surface of cable core coat same oversheath, and the diameter of strand core is less than the diameter of cable core, and the oversheath is with cable
Core, the axis of center line of strand core are divided into core region and steel strand wires region, core region be axis extremely
The region that oversheath is enclosed close to the free end of cable core, steel strand wires regions be axis to oversheath close to strand core from
By holding enclosed region, the lateral length in core region gradually increases along the direction close to steel strand wires region, steel strand wires region
Lateral length along away from core region direction gradually increase after be gradually reduced, the maximum transversal length in steel strand wires area is more than
The maximum transversal length in core region；The cable core includes the metal center reinforcer positioned at cable core center, and metal center adds
The periphery of strong part is coated with HDPE sheaths, and the periphery of HDPE sheaths is surrounded with fiber unit layer, and fiber unit layer includes big
In equal to three fiber units, fiber unit includes curing optical fiber, ferrule, and ferrule is coated on the outer of curing optical fiber
Week, fiber unit layer periphery are surrounded with stainless loose sleeve pipe, and the periphery of stainless loose sleeve pipe is coated with successively from the inside to the outside
Yarn layer, stainless steel spring silk layer, composite steel-plastic belt, nylon sheath wire are pricked, stainless steel spring silk is in the stainless steel spring silk layer
Spiral distribution.
Preferably, fine cream is filled between the curing optical fiber and ferrule.
Preferably, it is filled with cable between the HDPE sheaths and fiber unit, between fiber unit and stainless loose sleeve pipe
Cream.
Preferably, the fiber unit number of the periphery cladding of the HDPE sheaths is 5-12.
Preferably, the oversheath is PE sheaths.
Preferably, the outer surface of the oversheath is smooth structure.
Preferably, the ferrule is glass fibre sleeve.
Preferably, the stainless loose sleeve pipe uses passes through melt viscosity by the polymer of internal layer, the stainless steel band of outer layer
Technique is closed to be prepared.
Preferably, the stainless loose sleeve pipe is compound steel pipe structure.
Preferably, the nylon sheath wire uses the material of modification of nylon 12.
The utility model compared with prior art, has the following advantages and advantages：
(1) structure design that the technical program encloses cable core, strand core, oversheath is drops, and oversheath
Surface it is smooth, self-supporting cable can be reduced and be applied in wind and rain frost weather, the possibility of its surface area ice and snow dust storm, so as to
Blast is reduced to the horizontal force of optical cable, so optical cable can be avoided break because the pressure born is excessive caused by or seriously extend can not
The possibility of recovery.
(2) arranged in the shape of a spiral in the technical program by being set between the bundle yarn layer and aluminium-plastic tape in cable core structure
The stainless steel spring silk layer of cloth, the spring wire in stainless steel spring silk layer have certain elasticity, can pressed within the specific limits in itself
Contracting and elongation, because the deformation of itself can stop the influence to cable core structure such as ice and snow covered on external sheath layer, avoid cable
Core breaks, and even if cable core has a certain degree of deformation, but still can recover.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of embodiment 1 in the utility model；
Fig. 3 is the structural representation of cable core in the utility model；
Wherein：1-strand core, 2-oversheath, 3-cable core, 31-metal center reinforcer, 32-HDPE sheaths,
33-curing optical fiber, 34-fine cream, 35-ferrule, 36-stainless loose sleeve pipe, 37-prick yarn layer, 38-cable cream, 39-
Stainless steel spring silk layer, 40-composite steel-plastic belt, 41-nylon sheath wire.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of water-drop-shaped self-support cable, including strand core 1, cable core 3, strand core 1,
Cable core 3 is provided with cavity, and the outer surface of strand core 1, cable core 3 coats same oversheath 2, and the diameter of strand core 1 is small
In the diameter of cable core 3, the oversheath 2 with the axis of cable core 3, the center line of strand core 1 be divided into core region and
Steel strand wires region, the region that core region is enclosed by axis to oversheath 2 close to the free end of cable core 3, steel strand wires area
The region that domain is enclosed by axis to oversheath 2 close to the free end of strand core 1, the lateral length in core region is along close
The direction in steel strand wires region gradually increases, after the gradual increase in direction of the lateral length edge away from core region in steel strand wires region
It is gradually reduced, the maximum transversal length in steel strand wires area is more than the maximum transversal length in core region；The cable core 3 includes being located at
The metal center reinforcer 31 at the center of cable core 3, the periphery of metal center reinforcer 31 are coated with HDPE sheaths 32, HDPE sheaths 32
Periphery be surrounded with fiber unit layer, fiber unit layer includes being more than or equal to three fiber units, and fiber unit includes consolidating
Change optical fiber 33, ferrule 35, ferrule 35 is coated on the periphery of curing optical fiber 33, and fiber unit layer periphery is surrounded with
Stainless loose sleeve pipe 36, the periphery of stainless loose sleeve pipe 36 is coated with successively from the inside to the outside pricks yarn layer 37, stainless steel spring silk layer
39th, composite steel-plastic belt 40, nylon sheath wire 41, stainless steel spring silk is distributed in the shape of a spiral in the stainless steel spring silk layer 39.
The present embodiment is drops by the structure design for enclosing cable core 3, strand core 1, oversheath 2, is specially
The oversheath 2 is divided into core region and steel strand wires region, cable core with the axis of cable core 3, the center line of strand core 1
The region that line region is enclosed by axis to oversheath 2 close to the free end of cable core 3, steel strand wires region are axis to outer shield
The region that set 2 is enclosed close to the free end of strand core 1, the lateral length in core region is along close to the direction in steel strand wires region
Gradual increase, the lateral length in steel strand wires region are gradually reduced along after the direction away from core region gradually increase, steel strand wires
The maximum transversal length in area is more than the maximum transversal length in core region：And the surface of oversheath 2 is smooth, self-bearing type can be reduced
Cable application is into wind and rain frost weather, the possibility of its surface area ice and snow dust storm, so as to reduce blast to optical cable it is horizontal by
Power, and then optical cable can be avoided to break or seriously extend caused by the pressure born is excessive the possibility that can not recover.
Arranged in the shape of a spiral in the present embodiment by being set between the bundle yarn layer 27 and aluminium-plastic tape 40 in cable core structure 3
The stainless steel spring silk layer 39 of cloth, the spring wire in stainless steel spring silk layer 39 have certain elasticity in itself, within the specific limits
Compressible and elongation, because the deformation of itself can stop the influence to cable core structure such as ice and snow covered on external sheath layer, keeps away
Exempt from cable core broken string, and even if cable core has a certain degree of deformation, but still can recover.And stainless steel spring silk uses helical form
Distribution, and the periphery for pricking yarn layer 27 is coated on, the distribution mode can increase the deformation power of whole stainless steel spring silk layer 39.
The curing optical fiber 33 used in the present embodiment for uvioresistant curing optical fiber, due to the water-drop-shaped described in the present embodiment
The environment of self-support cable application is the adverse circumstances such as wind and snow frost, therefore in order to ensure its normal function, with ordinary optical cable phase
There should be a function of extra ultra-violet radiation resisting than, curing optical fiber 33 described in the present embodiment, therefore consolidating described in embodiment
It is preferably UV curing optical fibers to change optical fiber, and also has the function of being subjected to High Voltage electrical environment for a long time.
Similar to messenger wire, it is the self-supporting described in the present embodiment for the specific effect of strand core 1 described in the present embodiment
The hitch point of formula optical cable.The other structures and its principle being related in the present embodiment are known to one of skill in the art, no longer in detail
State.
Embodiment 2：
The difference of the present embodiment and embodiment is：Fine cream is filled between the curing optical fiber 33 and ferrule 35
34, the effect of the fine cream 34 is can to extend the service life of curing optical fiber 33, and isolation curing optical fiber 33 connects with outside air
Touch, slow down the aging of curing optical fiber；Between the HDPE sheaths 32 and fiber unit, fiber unit and stainless loose sleeve pipe 36 it
Between be filled with cable cream 38.The effect of cable cream 38 in the present embodiment is that further the curing optical fiber 33 in fiber unit is protected
Shield, improve the service life of fiber unit.It is related to other structures and its principle in the present embodiment for those skilled in the art institute
It is known, no longer it is described in detail.
Embodiment 3：
The difference of the present embodiment and above-described embodiment is：The fiber unit number of the periphery cladding of the HDPE sheaths 32
For 5-12.The number of fiber unit is defined, then 5-12 fiber units just coat HDPE sheaths 32 1 weeks.Institute
It is PE sheaths to state oversheath 2.The outer surface of the oversheath 2 is smooth structure.The ferrule 35 is glass fibre sleeve.
Wherein, the stainless loose sleeve pipe 36 passes through melt viscosity using by the polymer of internal layer, the stainless steel band of outer layer
Technique is closed to be prepared.
Stainless loose sleeve pipe described in the present embodiment 36 is compound steel pipe structure.It is specially that polymer-stainless steel is compound
Loose tube, stainless steel band longitudinal measure or gapless stainless steel tube liner polymer sleeve pipe, its specific preparation technology are using polymerization
Thing, stainless steel band, polymer are arranged on internal layer, and stainless steel band is arranged on outer layer, bonded between two layers by PUR, polymer
Extruded by optical fiber loose tube, excess fiber length is obtained by tension force stretching method.After stainless steel band is stretched, its pulling force, hardness,
Modulus of elasticity obtains different degrees of raising.
Wherein, the nylon outer sheath 41 uses the material of modification of nylon 12, and nylon outer sheath 41 is coated on composite steel-plastic belt
40 periphery.Due to high density polyethylene (HDPE) molecular chain structure in itself and form, molecular mass and distribution state, branched structure
High molecular aggregated structure performance is directly affected with form, so as to produce material impact, such as tension to the HDPE performances of macroscopic view
Intensity increase, mechanical performance enhancing, dimensional stability enhancing, abrasion resistance properties increase.Therefore nylon uses the material of modification of nylon 12,
The rodent total to use environment has certain protective action, therefore has good protection against rodents, ant proof effect.The present embodiment
In the other structures that are related to it is known to those skilled in the art, be no longer described in detail.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (9)
- A kind of 1. water-drop-shaped self-support cable, it is characterised in that：Including strand core（1）, cable core（3）, strand core（1）, cable Core（3）Provided with cavity, and strand core（1）, cable core（3）Outer surface coat same oversheath（2）, strand core（1） Diameter be less than cable core（3）Diameter, the oversheath（2）With cable core（3）, strand core（1）Center line axis point Core region and steel strand wires region are divided into, core region is axis to oversheath（2）Close to cable core（3）Free end institute The region enclosed, steel strand wires region are axis to oversheath（2）Close to strand core（1）The region enclosed of free end, cable The lateral length in cored wire region gradually increases along the direction close to steel strand wires region, and the lateral length in steel strand wires region is along away from cable The direction in cored wire region is gradually reduced after gradually increasing, and the maximum transversal length in steel strand wires area is more than the maximum horizontal stroke in core region To length.
- A kind of 2. water-drop-shaped self-support cable according to claim 1, it is characterised in that：The cable core（3）Including positioned at Cable core（3）The metal center reinforcer at center（31）, metal center reinforcer（31）Periphery be coated with HDPE sheaths（32）, HDPE sheaths（32）Periphery be surrounded with fiber unit layer, fiber unit layer includes being more than or equal to three fiber units, light Fine unit includes curing optical fiber（33）, ferrule（35）, ferrule（35）It is coated on curing optical fiber（33）Periphery, optical fiber Elementary layer periphery is surrounded with stainless loose sleeve pipe（36）, stainless loose sleeve pipe（36）Periphery be coated with successively from the inside to the outside Prick yarn layer（37）, nylon sheath wire（41）, the bundle yarn layer（37）With nylon sheath wire（41）Between be provided with stainless steel spring silk layer （39）, composite steel-plastic belt（40）, stainless steel spring silk layer（39）Close to bundle yarn layer（37）, the stainless steel spring silk layer（39）In Stainless steel spring silk is distributed in the shape of a spiral.
- A kind of 3. water-drop-shaped self-support cable according to claim 2, it is characterised in that：The curing optical fiber（33）With light Fiber coating pipe（35）Between be filled with fine cream（34）.
- A kind of 4. water-drop-shaped self-support cable according to claim 2, it is characterised in that：The HDPE sheaths（32）With light Between fine unit, fiber unit and stainless loose sleeve pipe（36）Between be filled with cable cream（38）.
- A kind of 5. water-drop-shaped self-support cable according to claim 2, it is characterised in that：The HDPE sheaths（32）It is outer The fiber unit number that week coats is 5-12, the oversheath（2）For PE sheaths.
- A kind of 6. water-drop-shaped self-support cable according to claim 5, it is characterised in that：The oversheath（2）Appearance Face is smooth structure, the ferrule（35）For glass fibre sleeve.
- A kind of 7. water-drop-shaped self-support cable according to claim 6, it is characterised in that：The stainless loose sleeve pipe（36） It is prepared using by the stainless steel band of the polymer of internal layer, outer layer by PUR adhesion technique.
- A kind of 8. water-drop-shaped self-support cable according to claim 7, it is characterised in that：The stainless loose sleeve pipe（36） For compound steel pipe structure.
- A kind of 9. water-drop-shaped self-support cable according to claim 2, it is characterised in that：The nylon sheath wire（41）Using The material of modification of nylon 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090072.5U CN207164325U (en) | 2017-08-29 | 2017-08-29 | A kind of water-drop-shaped self-support cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090072.5U CN207164325U (en) | 2017-08-29 | 2017-08-29 | A kind of water-drop-shaped self-support cable |
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| CN207164325U true CN207164325U (en) | 2018-03-30 |
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| CN201721090072.5U Active CN207164325U (en) | 2017-08-29 | 2017-08-29 | A kind of water-drop-shaped self-support cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325991A (en) * | 2022-03-04 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
-
2017
- 2017-08-29 CN CN201721090072.5U patent/CN207164325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325991A (en) * | 2022-03-04 | 2022-04-12 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
| CN114325991B (en) * | 2022-03-04 | 2022-06-21 | 长飞光纤光缆股份有限公司 | Indoor and outdoor general self-supporting rubber-insulated-wire cable |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A water drop self supporting optical cable Effective date of registration: 20210428 Granted publication date: 20180330 Pledgee: Deyang rural commercial bank Limited by Share Ltd. Pledgor: DEYANG COLLECTIVE RIVER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021510000032 |