CN204241733U - A kind of cable core contains three unit small-sized layer-stranding cables of stiffener - Google Patents
A kind of cable core contains three unit small-sized layer-stranding cables of stiffener Download PDFInfo
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- CN204241733U CN204241733U CN201420734436.9U CN201420734436U CN204241733U CN 204241733 U CN204241733 U CN 204241733U CN 201420734436 U CN201420734436 U CN 201420734436U CN 204241733 U CN204241733 U CN 204241733U
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- stiffener
- cable core
- sheath
- unit small
- stranding
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Abstract
The utility model discloses the three unit small-sized layer-stranding cables that a kind of cable core contains stiffener, comprise sheath, and indulge the armor and waterstop that wrap in sheath from outside to inside successively, be provided with in described sheath at the most two Loose tube and at least one stiffener through the stranded formation optical cable core of SZ, water blocking yarn is arranged at Loose tube and stiffener center, is provided with at least one and tears rope between armor and waterstop.This optical cable has and ensures its tensile property by the natural drawing window of the stranded formation of stranding; Be suitable for the optical cable that total core number is less than or equal to 24 cores, be dry type stop water, there is the advantage such as environmental protection and high construction efficiency, its structure is simple, stable performance, cost is low, transports and lays conveniently.
Description
Technical field
The utility model belongs to fiber optic cable manufacture technical field, relates to the three unit small-sized layer-stranding cables that a kind of cable core contains stiffener.
Background technology
Along with the fast development of optical communication technique, people are constantly increased by the demand of network acquisition information, make Networks of Fiber Communications develop rapidly.Current, under the common driving of the market demand and technical renovation, the optical fiber cable product being applicable to various scene arises at the historic moment, particularly in intelligent acess network is built, and small-scale structure optical cable performance particularly outstanding.
The optical cable of current small-scale structure mainly contains central beam tube type, but small-scale structure central-beam tube type fiber optic cable anti-tensile element cross-section also relatively reduce, only have by ensureing that in beam tube, excess fiber length carrys out satisfied stretching requirement in drawing process, and small-scale structure optical cable requires all very high when producing to technology controlling and process etc., virtually too increases production cost or reduces production efficiency.For layer-stranding cable, consider the requirements such as layer-stranding cable structural stability and mechanical property, stranded unit is generally more than or equal to 5, such cable configuration is also relatively thick, heavy, when adopting this structure to produce little core number optical cable, unit area density of optic fibre is lower, and the manufacturing cost of optical cable is also very high.Chinese patent: CN203643652U, three unit one-way spiral stranded layer stranded cables, optical cable core adopts layer-twisted type structure, and stiffener is placed in sheath, is similar to central beam tube type structure, limits the curved orientation of optical cable.Chinese patent: CN201886185U, a kind of three cellular construction 8 word optical cables, cable portion does not have stiffener, makes the stability of optical cable entirety relatively poor.
Utility model content
The purpose of this utility model is to provide the three unit small-sized layer-stranding cables that a kind of cable core contains stiffener, solves problems of the prior art.
The purpose of this utility model is realized by following technical proposals.
A kind of cable core contains three unit small-sized layer-stranding cables of stiffener, comprise sheath, and indulge the armor and waterstop that wrap in sheath from outside to inside successively, be provided with in described sheath at the most two Loose tube and at least one stiffener through the stranded formation optical cable core of SZ, water blocking yarn is arranged at Loose tube and stiffener center, is provided with at least one and tears rope between armor and waterstop.
Further, described Loose tube is the Loose tube containing optical fiber and ointment, and in Loose tube, maximum fiber core number is no more than 12 cores.
Further, described stiffener is metal strength members containing bed course or non-metallic stiffener.
Further, described metal strength members is phosphating steel wire, mild steel wire or coppered steel wire; Described non-metallic stiffener is fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar; Described bed course is tygon, polypropylene or polybutylene terephthalate.
Further, described sheath is tygon, low smoke halogen-free flame-retardant polyolefin, nylon or thermoplastic polyurethane material.
Further, containing one or more of vitta easy to identify in described sheath, optical cable surface is evenly distributed in when vitta is many.
Further, the color of described vitta easy to identify is yellow, red, purple or orange.
Further, described armor is sheet metal strip, nonmetal band or nonmetal yarn.
Further, described sheet metal strip is composite steel-plastic belt, aluminium-plastic tape or stainless steel band; Described nonmetal band is glass fiber tape, polyester belt; Described nonmetal yarn is glass fiber yarn, aramid yarn, Irish touchstone yarn, polyester yarn or ultra-high modulus polyethylene fiber yarn.
Further, described sheath is connected with messenger wire 1 containing sheath material by hanging neck outward, and described messenger wire is hollow annular structure; Described messenger wire material is metal material or nonmetallic materials, and described metal material is phosphating steel wire, mild steel wire or coppered steel wire; Described nonmetallic materials are fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar.
Feature of the present utility model is:
1, current, central-beam tube type fiber optic cable tensile property depends primarily on two aspects: on the one hand, i.e. optical cable internal tensile element, to limit the extension of optical cable when tension stretch; On the other hand, long by ensureing more than optical fiber is in beam tube, guarantee that optical cable is subject to the tensile strain of optical fiber when tensile force extends and still can meets standard-required.But along with the aggravation of industry internal competition, optical cable one-piece construction miniaturization, its mechanical property all can not effectively be ensured.The utility model, relative to central-beam tube type fiber optic cable, when cable outer diameter is close, adopt three unit layer-twisted type structures, and one of them unit is the stiffener containing bed course; To guarantee in optical cable tensile property in apart from anti-tensile element, Loose tube, outside excess fiber length, to ensure its tensile property by the natural drawing window of the stranded formation of stranding in addition.
2, for layer-stranding cable, consider the requirements such as layer-stranding cable structural stability and mechanical property, stranded unit is generally more than or equal to 5, when adopting this structure to produce little core number optical cable, unit area density of optic fibre is lower, and the manufacturing cost of optical cable is also very high.The utility model is relative to tradition stratum stranded cables, adopt two Loose tube and the stranded form of a stiffener, because stiffener has the rigidity more superior than Loose tube, after stranding, stiffener still maintains and is tending towards straight characteristic, make Loose tube in cable core still present stranded state, maintain a natural drawing window.
3, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, be suitable for the optical cable that total core number is less than or equal to 24 cores, fiber number in every root Loose tube is less than or equal to 12 cores, the indoor and outdoor be applicable in Access Network introduces section, also can need to adopt nonmetal structure according to wiring environment, introduce with thunder-lightning.
4, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, places water blocking yarn in cable core, and cable core is vertical bag waterstop outward, forms dry type stop water.
5, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, can require to produce as " 8 " font structure according to environment for use, and can include in cable core structure and tear rope, can add several vitta on optical cable surface.
6, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, and stiffener can be metal or nonmetallic materials, and according to structural requirement, can extrude one deck polyolefine material as bed course outside stiffener.
The beneficial effects of the utility model are:
1, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, and structure is simple, stable performance, and cost is low, transports and lays conveniently.
2, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, its performance takes from the advantage of central-beam tube type fiber optic cable and layer-stranding cable, there is the characteristic that central-beam tube type fiber optic cable external diameter is little, cost is low, there is the advantage that layer-stranding cable includes natural drawing window simultaneously.
3, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, and cable configuration can be the circle of conventional loose sleeve layer strand type, also can be " 8 " font.
4, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, places water blocking yarn in cable core, and cable core is vertical bag waterstop outward, forms dry type stop water, has the advantage such as environmental protection and high construction efficiency.
5, cable core newly developed contains three unit small-sized layer-stranding cables of stiffener, and cable portion curved orientation does not affect by stiffener in cable core, capable of being bent in any direction.
Accompanying drawing explanation
Fig. 1 is three elementary layer stranded cables structural representations;
Fig. 2 is three unit layer-twisted type " 8 " word cable configuration schematic diagram.
In figure: 1, messenger wire, 2, sheath, 3, Loose tube, 4, armor, 5, waterstop, 6, water blocking yarn, 7, stiffener, 8, tear rope, 9, vitta easy to identify.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model or utility model are described in detail.
A kind of cable core contains three unit small-sized layer-stranding cables of stiffener, comprise sheath 2, and indulge the armor 4 and waterstop 5 that wrap in sheath 2 from outside to inside successively, two Loose tube 3 and at least one stiffener 7 is at the most provided with in sheath 2, water blocking yarn 6 is arranged at Loose tube 3 and stiffener 7 center, is provided with at least one and tears rope 8 between armor 4 and waterstop 5.
Loose tube 3 is the Loose tube containing optical fiber and ointment, and stiffener 7 is the stiffener containing bed course.
Embodiment 1:
As shown in Figure 1, this optical cable core is formed by maximum two Loose tube 3 and at least one reinforcement 7 " SZ " containing bed course is stranded, and cable core is vertical bag waterstop 5 and armor 4, then extrusion molding sheath 2 outward, forms the utility model.
Wherein, described sheath 2 is pe sheath, low-smoke and halogen-free flame retardant polyolefin jacket, nylon sheath wire or thermoplastic polyurethane material.
Wherein, can one or more of vitta 9 easy to identify be contained in described sheath 2, be evenly distributed in optical cable surface when vitta is many.
Wherein, in described Loose tube 3, maximum fiber core number is no more than 12 cores, and the quantity of Loose tube 3 mostly is two most.
Wherein, described armor 4 can be sheet metal strip, as: composite steel-plastic belt, aluminium-plastic tape and stainless steel band; Nonmetal band, as: glass fiber tape, polyester belt; Nonmetal yarn, as: glass fiber yarn, aramid yarn, Irish touchstone yarn, polyester yarn, ultra-high modulus polyethylene fiber yarn.
Wherein, described stiffener 7 can be the metal strength members containing bed course, as: phosphating steel wire, mild steel wire, coppered steel wire; Non-metallic stiffener, as: fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar, Basalt fiber reinforced plastic bar.Bed course is tygon, polypropylene, polybutylene terephthalate.
Wherein, the color of described vitta 9 easy to identify need form obvious contrast with the color of sheath 2, is preferably yellow, redness, purple, orange.
Embodiment 2:
As shown in Figure 2, its structure fundamental sum embodiment 1 is identical, and difference from Example 1 is to be connected to messenger wire 1 containing sheath material by hanging neck outward at cable jacket, forms " 8 " word cable configuration.
Wherein, the material of described messenger wire 1 can be metal material, as: phosphating steel wire, mild steel wire, coppered steel wire; Nonmetallic materials, as: fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar, Basalt fiber reinforced plastic bar.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. a cable core contains three unit small-sized layer-stranding cables of stiffener, comprise sheath, and indulge the armor and waterstop that wrap in sheath from outside to inside successively, it is characterized in that: be provided with in described sheath at the most two Loose tube and at least one stiffener through the stranded formation optical cable core of SZ, water blocking yarn is arranged at Loose tube and stiffener center, is provided with at least one and tears rope between armor and waterstop.
2. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described Loose tube is the Loose tube containing optical fiber and ointment, and in Loose tube, maximum fiber core number is no more than 12 cores.
3. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described stiffener is metal strength members containing bed course or non-metallic stiffener.
4. cable core according to claim 3 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described metal strength members is phosphating steel wire, mild steel wire or coppered steel wire;
Described non-metallic stiffener is fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar;
Described bed course is tygon, polypropylene or polybutylene terephthalate.
5. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described sheath is tygon, low smoke halogen-free flame-retardant polyolefin, nylon or thermoplastic polyurethane material.
6. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: containing one or more of vitta easy to identify in described sheath, be evenly distributed in optical cable surface when vitta is many.
7. cable core according to claim 6 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: the color of described vitta easy to identify is yellow, red, purple or orange.
8. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described armor is sheet metal strip, nonmetal band or nonmetal yarn.
9. cable core according to claim 8 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described sheet metal strip is composite steel-plastic belt, aluminium-plastic tape or stainless steel band;
Described nonmetal band is glass fiber tape, polyester belt;
Described nonmetal yarn is glass fiber yarn, aramid yarn, Irish touchstone yarn, polyester yarn or ultra-high modulus polyethylene fiber yarn.
10. cable core according to claim 1 contains three unit small-sized layer-stranding cables of stiffener, it is characterized in that: described sheath is connected with messenger wire (1) containing sheath material by hanging neck outward, and described messenger wire is hollow annular structure;
Described messenger wire material is metal material or nonmetallic materials, and described metal material is phosphating steel wire, mild steel wire or coppered steel wire;
Described nonmetallic materials are fiberglass-reinforced plastic lever, aramid fiber reinforced plastic bar or Basalt fiber reinforced plastic bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734436.9U CN204241733U (en) | 2014-11-27 | 2014-11-27 | A kind of cable core contains three unit small-sized layer-stranding cables of stiffener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420734436.9U CN204241733U (en) | 2014-11-27 | 2014-11-27 | A kind of cable core contains three unit small-sized layer-stranding cables of stiffener |
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| Publication Number | Publication Date |
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| CN204241733U true CN204241733U (en) | 2015-04-01 |
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| CN201420734436.9U Expired - Fee Related CN204241733U (en) | 2014-11-27 | 2014-11-27 | A kind of cable core contains three unit small-sized layer-stranding cables of stiffener |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107678112A (en) * | 2017-11-10 | 2018-02-09 | 宁波盈谷电子科技有限公司 | A kind of miniature All Dielectric self-support |
| CN108152902A (en) * | 2018-01-16 | 2018-06-12 | 山东太平洋光纤光缆有限公司 | Multicore bunchy self-support cable and its manufacturing method |
| CN110718327A (en) * | 2019-10-24 | 2020-01-21 | 中国科学院高能物理研究所 | Photoelectric composite cable |
| WO2021237947A1 (en) * | 2020-05-29 | 2021-12-02 | 江苏中天科技股份有限公司 | Air-blowing micro-cable and preparation method therefor |
| CN113946024A (en) * | 2021-10-26 | 2022-01-18 | 浙江富春江光电科技有限公司 | Easily-stripped non-bundled branch optical cable and preparation method thereof |
| CN114019632A (en) * | 2021-10-27 | 2022-02-08 | 宏安集团有限公司 | Multi-logarithm universal butterfly-shaped optical cable |
| CN114721102A (en) * | 2022-02-25 | 2022-07-08 | 宏安集团有限公司 | Mini-type optical fiber ribbon photoelectric hybrid cable and manufacturing process thereof |
| CN115291346A (en) * | 2022-08-26 | 2022-11-04 | 江苏亨通光电股份有限公司 | Temperature difference-resistant three-unit biological-bite-preventing optical cable and manufacturing process thereof |
| CN116931208A (en) * | 2023-09-14 | 2023-10-24 | 江苏亨通海洋光网系统有限公司 | Nonmetal strong impact resistant optical cable and preparation method thereof |
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2014
- 2014-11-27 CN CN201420734436.9U patent/CN204241733U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678112A (en) * | 2017-11-10 | 2018-02-09 | 宁波盈谷电子科技有限公司 | A kind of miniature All Dielectric self-support |
| CN108152902A (en) * | 2018-01-16 | 2018-06-12 | 山东太平洋光纤光缆有限公司 | Multicore bunchy self-support cable and its manufacturing method |
| CN110718327A (en) * | 2019-10-24 | 2020-01-21 | 中国科学院高能物理研究所 | Photoelectric composite cable |
| WO2021237947A1 (en) * | 2020-05-29 | 2021-12-02 | 江苏中天科技股份有限公司 | Air-blowing micro-cable and preparation method therefor |
| CN113946024A (en) * | 2021-10-26 | 2022-01-18 | 浙江富春江光电科技有限公司 | Easily-stripped non-bundled branch optical cable and preparation method thereof |
| CN114019632A (en) * | 2021-10-27 | 2022-02-08 | 宏安集团有限公司 | Multi-logarithm universal butterfly-shaped optical cable |
| CN114721102A (en) * | 2022-02-25 | 2022-07-08 | 宏安集团有限公司 | Mini-type optical fiber ribbon photoelectric hybrid cable and manufacturing process thereof |
| CN115291346A (en) * | 2022-08-26 | 2022-11-04 | 江苏亨通光电股份有限公司 | Temperature difference-resistant three-unit biological-bite-preventing optical cable and manufacturing process thereof |
| CN116931208A (en) * | 2023-09-14 | 2023-10-24 | 江苏亨通海洋光网系统有限公司 | Nonmetal strong impact resistant optical cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20171127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |