CN211786270U - Light overhead beam tube type optical cable product - Google Patents
Light overhead beam tube type optical cable product Download PDFInfo
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- CN211786270U CN211786270U CN202020688949.6U CN202020688949U CN211786270U CN 211786270 U CN211786270 U CN 211786270U CN 202020688949 U CN202020688949 U CN 202020688949U CN 211786270 U CN211786270 U CN 211786270U
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- sleeve
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Abstract
The utility model relates to a light-duty built on stilts beam tube formula optical cable product relates to the communication hardware field of making. The utility model provides an optical cable includes cable, oversheath and suspension wire, and the oversheath is "8" style of calligraphy structure, when laying the optical cable, need not to lay the steel strand wires in advance, can accomplish the one-time construction of self-supporting part and optical cable, has avoided when laying the optical cable to attach the optical cable with the couple on the steel strand wires or soft cable laying process of hanging on the suspension wire with the ribbon, thereby saves the engineering time, accelerates the construction progress, reduces the optical cable and lays the cost; the device has simple structure, safety and reliability.
Description
Technical Field
The utility model relates to a communication hardware field of making, concretely relates to light-duty built on stilts beam tube formula optical cable product.
Background
The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic and can be used as a light conduction tool; fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. With the continuous and deep arrangement of the all optical network of operators and the development of urban and rural areas, the functional requirements on the optical cable are continuously increased.
Rural power grids are reformed and residential areas are added further, ordinary optical cables cannot bear self-supporting generally, optical cable hooks are required to be attached to steel strands or soft-hung on hanging wires by using binding tapes during laying, the steel strands need to be installed preferentially during construction, then the optical cables are laid, and the problems of twice construction, poor maintainability and high construction cost are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a section and reduce and lay the cost, reduce the optical cable of laying the degree of difficulty.
The purpose of the utility model is realized through the following technical scheme: a light overhead beam tube type optical cable product comprises a cable, an outer sheath and a suspension wire; wherein:
the cable comprises a plurality of optical fibers, a sleeve and a steel-plastic composite belt, the outer sheath comprises an outer sheath a and an outer sheath b, a hanging belt is arranged between the outer sheath a and the outer sheath b, and the outer side of the steel-plastic composite belt is attached to the inner side of the outer sheath a; the sleeve is arranged on the inner side of the steel-plastic composite belt, and water-blocking cable paste is arranged between the sleeve and the steel-plastic composite belt; the optical fiber is arranged in the sleeve; the suspension wire is arranged in the outer sheath b; the outer sheath is of an 8-shaped structure.
Preferably, optical fiber fillers are arranged between the optical fibers and the sleeve; the steel-plastic composite belt is an armored steel-plastic composite belt.
Preferably, the outer sheath a and the outer sheath b are both made of PE material; the suspension wire is a steel wire, so that the weight of the cable is moderate, and the self-supporting requirement of the span within 200 meters can be met.
The utility model has the advantages of it is following:
1. the suspension wire of the utility model can adopt steel wire, has moderate weight, and can meet the self-supporting requirement of span within 200 meters;
2. the 8-shaped self-supporting structure is designed, the steel strand does not need to be laid in advance, the self-supporting part and the optical cable are constructed at one time, the construction time is saved, the construction progress is accelerated, and the laying cost of the optical cable is reduced;
3. the factice is adopted between the steel-plastic composite belt and the loose tube to block water, and the steel-plastic composite belt and the loose tube can be tightly attached;
4. the utility model discloses a mode and the flat package mould of "6" word mould that blocks water of spraying to improve the extrusion molding mould and increase the suspension wire extrusion molding, can guarantee that the off-the-shelf external diameter of optical cable is little, make the optical cable have small, the construction is simple and convenient, reduce the secondary and lay the expense, reduce construction cost's when promoting the efficiency of construction advantage.
Drawings
FIG. 1 is a front cross-sectional view of a lightweight overhead tube bundle fiber optic cable product;
FIG. 2 is a schematic view of a lap mold configuration;
FIG. 3 is a schematic view of an extrusion die configuration;
in the figure: 1-hanging wires; 2-an outer sheath b; 3-hanging strip; 4-loosening the sleeve; 5-water-blocking cable paste; 6-steel-plastic composite belt; 7-outer sheath a; 8-an optical fiber; 9-optical fiber filler; 10-extrusion channel; 11-a mold core; 12-bushing composite tape via; 13-strap attachment holes; 14-a suspension wire via; 15-die sleeve.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1, a light overhead bundle tube type optical cable product comprises a cable, an outer sheath and a suspension wire 1; wherein:
the cable comprises a plurality of optical fibers 8, a sleeve and a steel-plastic composite belt 6, the outer sheath comprises an outer sheath a7 and an outer sheath b2, a hanging belt 3 is arranged between the outer sheath a7 and the outer sheath b2, and the outer side of the steel-plastic composite belt 6 is attached to the inner side of the outer sheath a 7; the sleeve is arranged on the inner side of the steel-plastic composite belt 6, and water-blocking cable paste 5 is arranged between the sleeve and the steel-plastic composite belt 6; the optical fiber 8 is arranged in the sleeve; the suspension wire 1 is arranged in the outer sheath b 2; the outer sheath is of an 8-shaped structure, when the optical cable is laid, a steel strand does not need to be laid in advance, and the self-supporting piece and the optical cable can be constructed at one time.
Preferably, optical fiber fillers 9 are arranged between the optical fibers 8 and between the optical fibers 8 and the sleeve; the steel-plastic composite strip 6 is an armored steel-plastic composite strip 6.
Preferably, the outer sheath a7 and the outer sheath b2 are both made of PE material; the suspension wire 1 is a steel wire, so that the weight of the cable is moderate, and the self-supporting requirement of the span within 200 meters can be met.
A manufacturing process of a light overhead beam tube type optical cable product is characterized in that: the method comprises the following steps:
s1: spraying water-blocking cable paste 5 on the steel-plastic composite belt 6; the spraying type water-blocking factice is uniformly sprayed on the steel-plastic composite belt 6 through spraying equipment, so that the factice water-blocking section which is transversely and continuously formed on the surface of the steel-plastic composite belt 6 comprises the lap joint of the steel-plastic composite belt 6, the longitudinal flow of water is effectively prevented, the most effective optical cable water-blocking effect is obtained, particularly, the problem that water seepage often occurs at the lap joint of the steel-plastic composite belt 6 is well solved for an optical cable with a steel-plastic composite belt 6 sheath structure, in order to achieve the optical cable water-blocking effect, in the production process, the length of the sprayed steel-plastic composite belt 6 is required to be 800 mm-1000 mm, the gap length is about 20-30 mm, and the sprayed factice amount is required to be not less than 0.2;
s2: longitudinally wrapping the steel-plastic composite belt 6 on the surface of the loose tube 4 by adopting a longitudinal wrapping process; after the steel-plastic composite belt 6 is subjected to factice spraying and coating, the surface of the loose tube 4 is longitudinally wrapped on a longitudinal wrapping platform through a longitudinal wrapping mould, and the wrapped loose tube 4 is shaped and sized by a sizing mould and then enters an extrusion molding mould;
s3: the outer sheath a7 is wrapped outside the steel-plastic composite belt 6 by using an extrusion molding die, and the outer sheath b2 is wrapped outside the suspension wire 1.
Preferably, the steel-plastic composite belt 6 is continuously sprayed with water-blocking ointment on the surface of the steel-plastic composite belt 6 through a spraying device to form a water-blocking interface, and the spraying width of the water-blocking ointment is equal to the width of the steel-plastic composite belt 6; the steel-plastic composite belt 6 is longitudinally wrapped outside the sheath by using an overlapping mould.
Preferably, a conical through hole is formed in the center of the lapping mould; the longitudinal section of the outlet hole of the lapping mould is 6-shaped, the hardness of the material of the lapping mould reaches more than HRC65, and the smoothness of a channel through which the steel-plastic composite strip 6 passes must be mirror surface.
Preferably, the extrusion molding die comprises a die core 11 and a die sleeve 15, and an extrusion molding channel 10 is arranged between the die core 11 and the die sleeve 15; a suspension wire through hole 14 and a sleeve composite belt through hole 12 are formed in the center of the mold core 11, and the suspension wire through hole 14 and the sleeve composite belt through hole 12 are respectively located on two sides of the center line; the die sleeve 15 is provided with a sheath wrapping hole a and a sheath wrapping hole b, and the central positions of the sheath wrapping hole a and the sheath wrapping hole b correspond to the central positions of the suspension wire through hole 14 and the sleeve composite belt through hole 12 respectively, so that the centers are kept consistent; hanging strip connecting holes 13 are arranged between the hanging wire through holes 14 and the sleeve composite belt through holes 12, the sheath wrapping holes a and the sheath wrapping holes b are connected through hanging strip 3 forming holes, and extrusion molding PE materials are extruded through the extrusion molding channels 10 to form an 8-shaped structure.
Claims (3)
1. A light overhead beam tube type optical cable product is characterized in that: comprises a cable, an outer sheath and a suspension wire (1); wherein:
the cable comprises a plurality of optical fibers (8), a sleeve and a steel-plastic composite belt (6), the outer sheath comprises an outer sheath a (7) and an outer sheath b (2), a hanging belt (3) is arranged between the outer sheath a (7) and the outer sheath b (2), and the outer side of the steel-plastic composite belt (6) is attached to the inner side of the outer sheath a (7); the sleeve is arranged on the inner side of the steel-plastic composite belt (6), and water-blocking cable paste (5) is arranged between the sleeve and the steel-plastic composite belt (6); the optical fiber (8) is arranged in the sleeve; the suspension wire (1) is arranged in the outer sheath b (2); the outer sheath is of an 8-shaped structure.
2. A light weight aerial bundle tube cable product of claim 1, wherein: and optical fiber fillers (9) are arranged between the optical fibers (8) and the sleeve and between the optical fibers (8) and the sleeve.
3. A light weight aerial bundle tube cable product of claim 1, wherein: the outer sheath a (7) and the outer sheath b (2) are both made of PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688949.6U CN211786270U (en) | 2020-04-29 | 2020-04-29 | Light overhead beam tube type optical cable product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020688949.6U CN211786270U (en) | 2020-04-29 | 2020-04-29 | Light overhead beam tube type optical cable product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211786270U true CN211786270U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020688949.6U Active CN211786270U (en) | 2020-04-29 | 2020-04-29 | Light overhead beam tube type optical cable product |
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| Country | Link |
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| CN (1) | CN211786270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399148A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Light overhead beam tube type optical cable product |
-
2020
- 2020-04-29 CN CN202020688949.6U patent/CN211786270U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399148A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Light overhead beam tube type optical cable product |
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