CN215895049U

CN215895049U - Compression-resistant armor layer stranded optical cable with high tensile bending resistance and strong endurance

Info

Publication number: CN215895049U
Application number: CN202121410356.4U
Authority: CN
Inventors: 万克群; 许志诚; 田海鹏; 陆志华
Original assignee: Jiangsu Vanhua Communication Technology Co ltd
Current assignee: Jiangsu Vanhua Communication Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-02-22
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a compression-resistant armored layer stranded optical cable with strong tensile bending resistance, which comprises an optical cable body, wherein the optical cable body comprises a sheath body, a first loose tube, cable paste, colored optical fibers and a metal reinforcing piece, the first loose tube is arranged on the inner side wall of the sheath body, the metal reinforcing piece is arranged at the central position of the inner side of the first loose tube, the inner side of the first loose tube is provided with the colored optical fibers, the number of the colored optical fibers is six, the six colored optical fibers are distributed in an annular array, and the sheath body comprises an anti-corrosion coating, a second loose tube, a steel-plastic composite spiral tube, a heat insulation layer, an oval cavity and an aluminum-plastic composite spiral tube. The utility model has simple structure, excellent tensile, compression and bending resistance, and can play a role of thermal insulation in two different extreme weathers, namely summer and winter, thereby avoiding the condition that the service life of the optical fiber is influenced by overhigh or overlow external temperature, prolonging the service life of the optical fiber and having strong practicability.

Description

Compression-resistant armor layer stranded optical cable with high tensile bending resistance and strong endurance

Technical Field

The utility model relates to the technical field of optical cables, in particular to a compression-resistant armor layer stranded optical cable with strong bending resistance.

Background

With the wide application of optical cables, various fields have different requirements on the performance of the optical cables, the optical cables are required to be light, small in size and easy to bend in some places, and the optical cables are required to have higher strength and pressure resistance in more fields and are used for direct burial, pipelines, overhead and the like.

However, the tensile, compression and bending resistance of the existing armored layer stranded optical cable can not meet the requirements, the internal optical fiber is easy to damage, and the service life of the optical fiber is easy to reduce in two different extreme weathers of summer and winter; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a compression-resistant armored layer stranded optical cable with strong tensile bending resistance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a resistance to compression armor hank optical cable that tensile bending endurance is strong, includes the optical cable body, the optical cable body includes sheath body, first loose tube, cable paste, painted optical fiber and metal reinforcement, be provided with first loose tube on the inside wall of sheath body, the inboard central point of first loose tube puts and is provided with the metal reinforcement, first loose tube inboard is provided with painted optical fiber, and painted optical fiber is six, and six painted optical fiber is cyclic annular array distribution, the sheath body includes anticorrosive coating, second loose tube, steel-plastic composite spiral pipe, insulating layer, oval cavity and the compound spiral pipe of plastic-aluminum, anticorrosive coating, second loose tube, steel-plastic composite spiral pipe, insulating layer and the compound spiral pipe of plastic-aluminum set gradually from the outside to the inside, be provided with oval cavity on the insulating layer.

Preferably, the steel-plastic composite spiral pipe is formed by spirally winding a steel-plastic composite belt, and the steel-plastic composite belt is spirally wound on the outer wall of the heat insulation layer.

Preferably, the aluminum-plastic composite spiral pipe is formed by spirally winding an aluminum-plastic composite belt, and the aluminum-plastic composite belt is spirally wound on the outer wall of the first loose tube.

Preferably, cable paste is filled between the inner side of the first loose tube, the outer side of the colored optical fiber and the outer side of the metal reinforcing member.

Preferably, the first and second loose tubes are made of TUP material.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, through the arrangement of the sheath body, the steel-plastic composite spiral pipe is formed by spirally winding the steel-plastic composite belt, the steel-plastic composite belt is spirally wound on the outer wall of the heat insulation layer, the aluminum-plastic composite spiral pipe is formed by spirally winding the aluminum-plastic composite belt, the aluminum-plastic composite belt is spirally wound on the outer wall of the first loose tube, and the steel-plastic composite spiral pipe and the aluminum-plastic composite spiral pipe form an armor layer, so that the external strength of the utility model is improved, the tensile, compressive and bending resistance of the utility model are improved, the buffering effect can be achieved through the arrangement of the oval cavity on the heat insulation layer, the external strength of the utility model and the tensile, compressive and bending resistance of the utility model are further improved, the utility model is ensured not to be damaged after being impacted by external force, the smooth transmission of signals is ensured, and the service life of the utility model is prolonged.

(2) The heat insulation layer can play a role in heat insulation in two different extreme weathers of summer and winter, and the condition that the service life of the optical fiber is influenced due to overhigh or overlow external temperature is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the sheath body of the present invention.

In the figure: 1. an optical cable body; 11. a sheath body; 1101. an anti-corrosion coating; 1102. a second loose tube; 1103. a steel-plastic composite spiral pipe; 1104. a thermal insulation layer; 1105. an elliptical cavity; 1106. aluminum-plastic composite spiral pipes; 12. a first loose tube; 13. cable paste; 14. coloring the optical fiber; 15. a metal reinforcement.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an embodiment of the present invention is shown: a compression-resistant armor stranded optical cable with strong tensile bending endurance comprises an optical cable body 1, wherein the optical cable body 1 comprises a sheath body 11, first loose tubes 12, cable paste 13, colored optical fibers 14 and metal reinforcements 15, the first loose tubes 12 are arranged on the inner side wall of the sheath body 11, the metal reinforcements 15 are arranged at the center positions of the inner sides of the first loose tubes 12, the colored optical fibers 14 are arranged on the inner sides of the first loose tubes 12, the six colored optical fibers 14 are distributed in an annular array, the sheath body 11 comprises an anti-corrosion coating 1101, a second loose tube 1102, a steel-plastic composite spiral tube 1103, a heat insulation layer 1104, an oval cavity 1105 and an aluminum-plastic composite spiral tube 1106, the anti-corrosion coating 1101, the second loose tube 1102, the steel-plastic composite spiral tube 1103, the heat insulation layer 1104 and the aluminum-plastic composite spiral tube 1106 are sequentially arranged from outside to inside, the heat insulation layer 1104 is provided with the oval cavity 1105, the steel-plastic composite spiral pipe 1103 is formed by spirally winding a steel-plastic composite belt, the steel-plastic composite belt is spirally wound on the outer wall of the thermal insulation layer 1104, the aluminum-plastic composite spiral pipe 1106 is formed by spirally winding an aluminum-plastic composite belt, the aluminum-plastic composite belt is spirally wound on the outer wall of the first loose tube 12, cable paste 13 is filled among the inner side of the first loose tube 12, the outer side of the colored optical fiber 14 and the outer side of the metal reinforcement 15, and the first loose tube 12 and the second loose tube 1102 are made of TUP materials.

The working principle is as follows: according to the utility model, through the arrangement of the sheath body 11, the steel-plastic composite spiral pipe 1103 is formed by spirally winding a steel-plastic composite belt, the steel-plastic composite belt is spirally wound on the outer wall of the heat insulation layer 1104, the aluminum-plastic composite spiral pipe 1106 is formed by spirally winding an aluminum-plastic composite belt, the aluminum-plastic composite belt is spirally wound on the outer wall of the first loose tube 12, the steel-plastic composite spiral pipe 1103 and the aluminum-plastic composite spiral pipe 1106 form an armor layer, the external strength of the utility model is improved, the tensile, compressive and bending resistance of the utility model are improved, the buffering effect can be achieved through the arrangement of the oval cavity 1105 on the heat insulation layer 1104, so that the external strength of the utility model and the tensile, compressive and bending resistance of the utility model are further improved, the utility model is ensured not to be damaged after being impacted by external force, the signal can be smoothly transmitted, the service life of the utility model is prolonged, through the arrangement of the heat insulation layer 1104, the heat insulation layer 1104 can play a role in heat insulation in two different extreme weathers, namely summer and winter, and avoids the phenomenon that the service life of the optical fiber is influenced by overhigh or overlow external temperature.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a resistance to compression armor hank optical cable that tensile curved endurance is strong, includes optical cable body (1), its characterized in that: optical cable body (1) is including sheath body (11), first loose tube (12), cable paste (13), painted optical fiber (14) and metal reinforcement (15), be provided with first loose tube (12) on the inside wall of sheath body (11), the inboard central point of first loose tube (12) puts and is provided with metal reinforcement (15), first loose tube (12) inboard is provided with painted optical fiber (14), and painted optical fiber (14) are six, and six painted optical fiber (14) are cyclic annular array and distribute, sheath body (11) is including anti-corrosion coating (1101), second loose tube (1102), steel-plastic composite spiral pipe (1103), insulating layer (1104), oval cavity (1105) and aluminum-plastic composite spiral pipe (1106), anti-corrosion coating (1101), second loose tube (1102), steel-plastic composite spiral pipe (1103), The heat insulation layer (1104) and the aluminum-plastic composite spiral pipe (1106) are sequentially arranged from outside to inside, and the heat insulation layer (1104) is provided with an oval cavity (1105).

2. The compression-resistant armor-stranded optical cable with high tensile bending endurance of claim 1, wherein: the steel-plastic composite spiral pipe (1103) is formed by spirally winding a steel-plastic composite belt, and the steel-plastic composite belt is spirally wound on the outer wall of the heat insulation layer (1104).

3. The compression-resistant armor-stranded optical cable with high tensile bending endurance of claim 1, wherein: the aluminum-plastic composite spiral pipe (1106) is formed by spirally winding an aluminum-plastic composite belt, and the aluminum-plastic composite belt is spirally wound on the outer wall of the first loose tube (12).

4. The compression-resistant armor-stranded optical cable with high tensile bending endurance of claim 1, wherein: cable paste (13) is filled among the inner side of the first loose tube (12), the outer side of the colored optical fiber (14) and the outer side of the metal reinforcing piece (15).

5. The compression-resistant armor-stranded optical cable with high tensile bending endurance of claim 1, wherein: the first loose tube (12) and the second loose tube (1102) are made of TUP material.