CN204044398U - A kind of light-duty little cable footpath 8-shaped self-support cable - Google Patents
A kind of light-duty little cable footpath 8-shaped self-support cable Download PDFInfo
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- CN204044398U CN204044398U CN201420337766.4U CN201420337766U CN204044398U CN 204044398 U CN204044398 U CN 204044398U CN 201420337766 U CN201420337766 U CN 201420337766U CN 204044398 U CN204044398 U CN 204044398U
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Abstract
The utility model relates to communications optical cable manufacturing technology field, is specifically related to a kind of light-duty little cable footpath 8-shaped self-support cable.It comprises the messenger wire and cable core that are connected by suspender belt, described messenger wire comprises the messenger wire oversheath of some reinforcements and reinforcement outer cladding, described messenger wire oversheath is connected with suspender belt, described cable core is 1-6 stranded unit, described stranded unit comprises the Loose tube of the following optical fiber of at least one built-in 24 core, fill water-blocking material between described optical fiber and Loose tube, cable core oversheath is set outside Loose tube.The utility model non-stop layer reinforcement, not only can well solve long problem more than Loose tube inner fiber, and solve cable outer diameter thick, from problems such as great and construction inconvenience, realize small cable core, low weight demand, easy construction is quick, greatly reduce construction period and construction cost, thus realize hightension demand on guarantee product quality basis.
Description
Technical field
The utility model relates to communications optical cable manufacturing technology field, is specifically related to a kind of light-duty little cable footpath 8-shaped self-support cable.
Background technology
Traditional self-support cable, general employing cable core is layer-twisted type structure, namely several sleeve pipes (usual more than 5) are stranded in the surrounding of central reinforce member, form a cable core, and are bonded into the optical cable of 8 font structures by pe sheath and reinforcement messenger wire.But this cable manufactures adopts layer-twisted type structure because of cable core, makes for the following optical cable of 144 core, structure is too large, waste manufacturing cost, and cable is heavy high, requires that larger sized enhancing messenger wire lays to meet self-supporting.
Utility model content
For the deficiency that prior art exists, the utility model provides that a kind of small cable core, low weight, cost are low, hightension, easily differentiate, the light-duty little cable footpath 8-shaped self-support cable of Functionality, quality and appealing design.
To achieve these goals, the utility model realizes by the following technical solutions:
A kind of light-duty little cable footpath 8-shaped self-support cable, it comprises the messenger wire and cable core that are connected by suspender belt, described messenger wire comprises the messenger wire oversheath of some reinforcements and reinforcement outer cladding, described messenger wire oversheath is connected with suspender belt, described cable core is 1-6 stranded unit, described stranded unit comprises the Loose tube of the following optical fiber of at least one built-in 24 core, fills water-blocking material, arrange cable core oversheath outside Loose tube between described optical fiber and Loose tube.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the messenger wire oversheath described in it and cable core oversheath arrange vitta.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the stranded unit described in it comprises filling member, and described filling member adopts PP, PC, PBT, PVC or PE material to make.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, arranges water blocking yarn outside the Loose tube described in it.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the Loose tube described in it and between cable core oversheath, waterstop is set.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the waterstop described in it and between cable core oversheath, composite band is set.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the cable core oversheath described in it, waterstop, composite band or Loose tube inwall arrange and tear rope.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the water-blocking material described in it is ointment or dry type water-blocking material, described water-blocking material is directly put in cable core center or spiral winding is wrapped on each stranded unit or spiral bale packing at stranded cell surface.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the vitta width described in it is 0.5-7mm, and the degree of depth is more than or equal to 0.5mm.
Above-mentioned one light-duty little cable footpath 8-shaped self-support cable, the vitta described in it adopts the material that with the addition of nanometer glass bead particles to make.
Beneficial effect:
The utility model adopts Loose tube and presumable filling member 1 ~ 6, non-stop layer reinforcement, not only can well solve long problem more than Loose tube inner fiber, and solve cable outer diameter thick, from problems such as great and construction inconvenience, realize small cable core, low weight demand, easy construction is quick, greatly reduces construction period and construction cost, thus realizes hightension demand on guarantee product quality basis.External diameter is little, and also just little by external diameter environmental impact when built on stilts laying, namely suffered load is little, therefore meet identical lay environment under, designed by mechanics, the use of reinforcement material, for the promotion and application of product provide power-assisted, also for cost basis has been established in the great development of China's optical communication construction; In addition, can differentiate difference easily for ease of the optical cable that same shaft tower lays, optical cable appearance can add vitta easy to identify, special appearance as required.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model embodiment 4.
Fig. 5 is the structural representation of the utility model embodiment 5.
Fig. 6 is the structural representation of the utility model embodiment 6.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
Embodiment 1
With reference to Fig. 1, the present embodiment is 24 core light-duty little cable footpath 8-shaped self-support cables, comprise the messenger wire and cable core that are connected by suspender belt 1, messenger wire comprises the messenger wire oversheath 3 of 1 reinforcement 2 and reinforcement 2 outer cladding, messenger wire oversheath 3 surface arranges a vitta 4, messenger wire oversheath 3 is connected with suspender belt 1, cable core is 3 stranded unit, 3 stranded unit comprise the Loose tube 6 of 2 built-in 12 core fibres 5 and 1 make filling member 7 by PE material, water-blocking material 8 is filled between described optical fiber 5 and Loose tube 6, water-blocking material 8 is dry type water-blocking material, water blocking yarn 9 is set outside Loose tube 6, Loose tube 6 outer cladding waterstop 10, waterstop 10 outer cladding composite band 11, cable core oversheath 12 is set outside composite band 11, waterstop 10 inwall arranges and tears rope 13, cable core oversheath 12 is arranged 3 vittas 4, vitta 4 width is 4mm, the degree of depth is 1mm.
When the present embodiment makes, first, 12 optical fiber are moulded operation by its bale breaking in Loose tube by cover;
When stranding by 3 stranded unit (2 Loose tube and 1 filling member) with stranded together with certain pitch, without reinforcement in the middle of cable core;
The cable core mode of blocking water adopts water blocking yarn and waterstop array mode, and namely 1 water blocking yarn is directly put in the gap in the middle of cable core, and 3 water blocking yarn spiral windings wrap in around 3 stranded unit, and cable core indulges bag one deck hydroscopic water-resisting band outward again;
At cable core vertical bag one deck composite steel-plastic belt outward during coated cable core oversheath, and by pe sheath, itself and metal reinforcement element are bonded into one, form 24 core light-duty little cable footpath 8-shaped self-support cables, wherein sheath has 4 same color vittas of width 4mm, degree of depth 1mm in horizontal and vertical size.
As further improvement, described vitta can adopt the material that with the addition of nanometer glass bead particles to make.
Embodiment 2
With reference to Fig. 2, the present embodiment is 12 core light-duty little cable footpath 8-shaped self-support cables, comprise the messenger wire and cable core that are connected by suspender belt 1, messenger wire comprises the messenger wire oversheath 3 of 7 reinforcements 2 and reinforcement 2 outer cladding, and messenger wire oversheath 3 is connected with suspender belt 1, and cable core is the Loose tube 6 comprising 12 core fibres 5, water-blocking material 8 is filled between described optical fiber 5 and Loose tube 6, water-blocking material 8 is ointment, and Loose tube 6 inwall arranges and tears rope 13, arranges cable core oversheath 12 outside Loose tube 6.
Embodiment 3
With reference to Fig. 3, the present embodiment is 24 core light-duty little cable footpath 8-shaped self-support cables, comprise the messenger wire and cable core that are connected by suspender belt 1, messenger wire comprises the messenger wire oversheath 3 of 1 reinforcement 2 and reinforcement 2 outer cladding, messenger wire oversheath 3 is connected with suspender belt 1, cable core is 3 stranded unit, 3 stranded unit comprise the Loose tube 6 of 2 built-in 12 core fibres 5 and 1 make filling member 7 by PP material, water-blocking material 8 is filled between described optical fiber 5 and Loose tube 6, water blocking yarn 9 is set outside Loose tube 6, cable core oversheath 12 is set outside Loose tube 6, cable core oversheath 12 inwall arranges and tears rope 13.
Embodiment 4
With reference to Fig. 4, the difference of the present embodiment and embodiment 3 is, messenger wire comprises the messenger wire oversheath 3 of 7 reinforcements 2 and reinforcement 2 outer cladding, Loose tube 6 outer cladding waterstop 10, and waterstop 10 inwall arranges and tears rope 13.
Embodiment 5
With reference to Fig. 5, the difference of the present embodiment and embodiment 4 is, on messenger wire oversheath 3, same position arranges 2 vittas 4, cable core oversheath 12 diverse location is arranged 3 groups of vittas 4, and same position arranges 2 vittas 4, and the width of vitta 4 is 3mm, degree of depth 1mm.
Embodiment 6
With reference to Fig. 6, the difference of the present embodiment and embodiment 4 is, messenger wire comprises the messenger wire oversheath 3 of 1 reinforcement 2 and reinforcement 2 outer cladding, waterstop 10 outer cladding composite band 11, arrange cable core oversheath 12 outside composite band 11, waterstop 10 inwall arranges and tears rope 13.
The utility model adopts 8 font structures, and steel wire, nonmetal stiffener or steel strand wires are as the load-carrying unit of optical cable, and optical cable can be dry type structure, half dry type structure or ointment filled type structure;
Each Loose tube inner fiber core number is below 24 cores.When cable core adopts a Loose tube, Loose tube adopts and strengthens messenger wire and become parastate, therefore needs suitable once remaining long with the redundant space ensured needed for carrying external diameter load and temperature variation; When cable core adopts 2 ~ 6 stranded unit directly stranded (stranded unit is Loose tube and presumable filling member), maximum core number can reach 144 cores, non-stop layer reinforcement, greatly can reduce outside dimension and the deadweight of optical cable, grown more than Loose tube inner fiber generation secondary by stranded making simultaneously, the remaining length of this secondary provides the redundant space needed for carrying external diameter load and temperature variation for optical cable, ensures product quality.
The cable core water-blocking material of optical cable has ointment filled type or dry type water-blocking material, dry type water-blocking material can be the water blocking yarn of yarn class or the bundle yarn that blocks water, with directly put form as the center of cable core be wound on each stranded unit with spiral winding packet form or spiral bale packing at stranded cell surface, with ensure cable core can bear 1m hydraulic pressure under cable core creepage distance be less than 1m.
For ease of the differentiation of many self-supporting laying optical cable on same shaft tower, optical cable appearance adopts one or more vittas to distinguish, its vitta position can at the two ends of major axis, also can at the two ends of minor axis, also can be present in the why position of cable table, can there is the vitta of multiple color in its same position simultaneously;
For the optical cable of band vitta, when same position is 1 vitta, the width of its vitta is 0.5 ~ 7mm, and the degree of depth is not less than 0.5mm; Same position be 2 and above vitta time, the width of its vitta is 0.5 ~ 4mm, and the degree of depth is not less than 0.5mm, thus ensure construction time vitta is not worn away, ensure its permanently effective recognition performance.
For Access Network field, when requiring that optical cable is introduced indoor or enters machine room, need adopt all dielectric structure, now cable core and enhancing messenger wire are because adopting all dielectric self-supporting structure, to avoid lightning ingress indoor, cause damage to property or casualties;
When adopting filling member, its filling member can be by the bar-shaped object of the high molecular polymers such as PP, PC, PBT, PVC, PE by extrusion molding; Also the high molecular polymers such as PP, PC, PBT, PVC, PE can be squeezed into outside Metallic rod, metal-stranded wire or non-metal yarn class material, nonmetal stiffener material.
When optical cable appearance need be with vitta, sometimes can add nanometer glass bead particles at vitta material, utilize this performance of the high index of refraction of glass microballoon to make optical cable form strong reflection when night is painted by lamp, also can easily identify.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a light-duty little cable footpath 8-shaped self-support cable, it is characterized in that, comprise the messenger wire and cable core that are connected by suspender belt, described messenger wire comprises the messenger wire oversheath of some reinforcements and reinforcement outer cladding, described messenger wire oversheath is connected with suspender belt, and described cable core is 1-6 stranded unit, and described stranded unit comprises the Loose tube of the following optical fiber of at least one built-in 24 core, fill water-blocking material between described optical fiber and Loose tube, cable core oversheath is set outside Loose tube.
2. one according to claim 1 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, described messenger wire oversheath and cable core oversheath arrange vitta.
3. one according to claim 1 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, described stranded unit comprises filling member, and described filling member adopts PP, PC, PBT, PVC or PE material to make.
4. the light-duty little cable footpath of the one according to claim 1,2 or 3 8-shaped self-support cable, is characterized in that, arrange water blocking yarn outside described Loose tube.
5. one according to claim 4 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, arrange waterstop between described Loose tube and cable core oversheath.
6. one according to claim 5 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, arrange composite band between described waterstop and cable core oversheath.
7. one according to claim 5 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, described cable core oversheath, waterstop, composite band or Loose tube inwall arrange and tear rope.
8. one according to claim 1 light-duty little cable footpath 8-shaped self-support cable, it is characterized in that, described water-blocking material is ointment or dry type water-blocking material, described water-blocking material is directly put in cable core center or spiral winding is wrapped on each stranded unit or spiral bale packing at stranded cell surface.
9. one according to claim 2 light-duty little cable footpath 8-shaped self-support cable, is characterized in that, described vitta width is 0.5-7mm, and the degree of depth is more than or equal to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420337766.4U CN204044398U (en) | 2014-06-23 | 2014-06-23 | A kind of light-duty little cable footpath 8-shaped self-support cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420337766.4U CN204044398U (en) | 2014-06-23 | 2014-06-23 | A kind of light-duty little cable footpath 8-shaped self-support cable |
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| CN204044398U true CN204044398U (en) | 2014-12-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062727A (en) * | 2014-06-23 | 2014-09-24 | 江苏亨通光电股份有限公司 | Light small-cable-diameter 8-shaped self-supporting optical cable |
| CN105044866A (en) * | 2015-08-06 | 2015-11-11 | 江苏中天科技股份有限公司 | Light-duty full medium self-supporting type optical cable |
-
2014
- 2014-06-23 CN CN201420337766.4U patent/CN204044398U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062727A (en) * | 2014-06-23 | 2014-09-24 | 江苏亨通光电股份有限公司 | Light small-cable-diameter 8-shaped self-supporting optical cable |
| CN105044866A (en) * | 2015-08-06 | 2015-11-11 | 江苏中天科技股份有限公司 | Light-duty full medium self-supporting type optical cable |
| WO2017020369A1 (en) * | 2015-08-06 | 2017-02-09 | 江苏中天科技股份有限公司 | Lightweight all-dielectric self-supporting optical cable |
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