CN215264148U

CN215264148U - All-dielectric layer-stranded 8-shaped self-supporting optical cable

Info

Publication number: CN215264148U
Application number: CN202121003693.1U
Authority: CN
Inventors: 贾文章
Original assignee: Jiangsu Xibei Electronic Network Co ltd
Current assignee: Jiangsu Xibei Electronic Network Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-21
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a full medium layer stranded 8 font self-supporting optical cable, including cable core surface complex connection shielding layer, shielding layer surface packing parcel has thermal-insulated filler, and thermal-insulated filler layer surface complex is connected with the protective layer, is equipped with the suspension cable directly over the protective layer, and the lantern ring is cup jointed respectively to protective layer and suspension cable outside, and connecting rod fixed connection is passed through to one side that the lantern ring is relative, and sleeve pipe and connecting rod surface are connected with the insulating layer, the utility model discloses an inside is equipped with coupling assembling, increases the dead weight load of suspension cable to the optical cable through this subassembly, has avoided the long-time dead weight load of self-supporting optical cable and has produced the problem of damaging and warping.

Description

All-dielectric layer-stranded 8-shaped self-supporting optical cable

Technical Field

The utility model mainly relates to the technical field of optical cables, specifically be full medium layer stranding 8 font self-supporting optical cable.

Background

The all-dielectric layer-stranded 8-shaped self-supporting optical cable is an optical cable which means that a reinforcing component of the optical cable can bear self weight and external load, and is generally applied to overhead use on an electric power tower, but the self-supporting optical cable in the market at present generally carries out self weight load on an object through a polyethylene material, and the self-supporting optical cable is easy to damage and deform the polyethylene material due to long-time self weight load.

The invention relates to a production process of an all-dielectric-layer stranded nonmetal optical cable according to a patent document application number (CN201710210672.9), which comprises the following steps: material conveying, guide die positioning, polyethylene material extrusion molding, cable cooling and finished product take-up. In the invention, the cable core and the suspension wire of the FRP reinforcement are positioned by the guide die, and the paying-off tension is applied to the FRP reinforcement, so that the cable core and the FRP reinforcement are molded in a relatively tensionless state in an extruding machine, the FRP reinforcement and the optical cable are ensured to be parallel after cooling, and finally the produced 8-shaped cable can be kept in a flat and unbent state when being naturally released; when the optical cable produced by the invention is stretched, the optical cable part is not stressed firstly due to natural bending of the optical cable, and the suspension wire part of the optical cable is stressed firstly, so that the problem of stretching of the optical cable is solved. The use of the two layers of filter screens can increase the resistance and the counter pressure of material flow, so that the nylon is plasticized more uniformly. The invention has the advantages of safety, low cost, large tensile strength and capability of ensuring the geometric structure and strength of 8-shaped extrusion molding, the device of the utility model carries out dead weight load on an object through a polyethylene material, and the self-supporting optical cable is easy to damage and deform the polyethylene material due to long-time dead weight load.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a full-medium layer-stranding 8-shaped self-supporting optical cable for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

full medium layer hank formula font self-supporting optical cable, including the cable core, cable core surface complex connection shielding layer, shielding layer surface packing parcel has thermal-insulated filling layer, thermal-insulated filling layer surface complex connection has the protective layer, be equipped with the messenger directly over the protective layer, the lantern ring is cup jointed respectively to protective layer and messenger's cable outside, the lantern ring is relative one side through connecting rope fixed connection, the lantern ring is connected with the insulating layer with connecting rope surface.

Preferably, be equipped with the shock attenuation chamber between insulating layer and the lantern ring, the inside shock attenuation rubber block that is equipped with of shock attenuation chamber can play the effect that weakens the impact force to the cable core through the shock attenuation rubber block, avoids the impact force to cause the damage of cable core, has ensured that the communication of optical cable is smooth and easy.

Preferably, the elastic component is arranged in the shock absorption rubber block, and the effect of impact force is weakened through the assistance of the elastic component.

Preferably, the shielding layer is a copper wire fiber layer, and the effect of shielding the cable core can be achieved through the copper wire fiber layer, so that the transmission effect of the cable core is prevented from being influenced.

Preferably, thermal-insulated filling layer is the fire prevention mud filling layer, can play the thermal-insulated effect that influences the cable core of fire prevention and avoiding outer wall factor through the fire prevention mud filling layer.

Preferably, the protective layer is a graphite fiber layer, and the graphite fiber layer has the characteristics of thermal shock resistance, flame resistance and corrosion resistance, and can effectively protect the cable core.

Preferably, the connecting rope is a carbon fiber rope, the graphite fiber layer has the characteristics of high strength, friction resistance and corrosion resistance, the self-weight load of the suspension cable on the optical cable can be increased through the carbon fiber rope, and the problems of damage and deformation caused by the long-time self-weight load of the self-supporting optical cable are solved.

Preferably, the insulating layer is a butyl rubber layer, which can protect the optical cable.

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

the utility model discloses a shielding layer can avoid influencing the transmission effect of cable core to playing the effect that the cable core was shielded; the heat insulation filling layer can play roles in fire prevention and heat insulation and avoiding the influence of outer wall factors on the cable core; through the lantern ring and the connecting rope, the dead weight load of the suspension cable on the optical cable can be increased, and the problems of damage and deformation of the self-supporting optical cable caused by long-time dead weight load are solved; through the cushion rubber block and the elastic component, the effect of weakening the impact force to the cable core can be achieved, the damage of the cable core caused by the impact force is avoided, and the smooth communication of the optical cable is guaranteed.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic view of the connection structure of the present invention.

In the figure: 1. a cable core; 11. a shielding layer; 12. a thermally insulating fill layer; 13. a protective layer; 14. Hoisting cables; 15. a collar; 16. connecting ropes; 17. an insulating layer; 18. a damping chamber; 181. a shock-absorbing rubber block; 182. an elastic component.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, the 8-shaped self-supporting optical cable with all-dielectric layer stranded comprises a cable core 1, wherein a shielding layer 11 is combined and connected to the outer surface of the cable core 1, the shielding layer 11 is a copper wire fiber layer, the copper wire fiber layer can shield the cable core 1 to avoid affecting the transmission effect of the cable core 1, a heat insulation filling layer 12 is filled and wrapped on the outer surface of the shielding layer 11, the heat insulation filling layer 12 is a fire prevention mud filling layer, the fire prevention mud filling layer can play roles of fire prevention and heat insulation and avoiding the influence of external wall factors on the cable core 1, a protective layer 13 is combined and connected to the outer surface of the heat insulation filling layer 12, the protective layer 13 is a graphite fiber layer, the graphite fiber layer has the characteristics of thermal shock resistance, flame resistance and corrosion resistance, and can effectively protect the cable core 1, a suspension cable 14 is arranged right above the protective layer 13, and the protective layer 13 and the suspension cable 14 are respectively sleeved with a sleeve ring 15, the relative one side of lantern ring 15 is through connecting 16 fixed connection of rope, it is the carbon fiber rope to connect rope 16, the graphite fiber layer has high strength, anti friction and corrosion-resistant characteristic, can increase the dead weight load of messenger 14 to the optical cable through the carbon fiber rope, has avoided the long-time dead weight load of self-supporting optical cable and has produced the problem of damage and deformation, lantern ring 15 and the long surface connection of connection rope 16 have insulating layer 17, insulating layer 17 is the butyl rubber layer, through the guard action that can play the optical cable, the utility model discloses an inside is equipped with coupling assembling, increases the dead weight load of messenger 14 to the optical cable through this subassembly, has avoided the long-time dead weight load of self-supporting optical cable and has produced the problem of damage and deformation.

Please refer to fig. 2 and 3, a damping cavity 18 is disposed between the insulating layer 17 and the sleeve ring 15, a damping rubber block 181 is disposed inside the damping cavity 18, the damping rubber block 181 can reduce the impact force on the cable core 1, the damage of the cable core 1 caused by the impact force is avoided, and the smooth communication of the optical cable is ensured, an elastic component 182 is disposed inside the damping rubber block 181, and the elastic component 182 assists to reduce the impact force.

The utility model discloses a concrete operation as follows:

the cable core 1 is connected with the shielding layer 11, the cable core 1 can be shielded through the shielding layer 11, the transmission effect of the cable core 1 is prevented from being influenced, the shielding layer 11 is compositely connected with the heat insulation filling layer 12, the heat insulation filling layer 12 can play the roles of fire prevention and heat insulation and avoiding the influence of outer wall factors on the cable core 1, the outer surface of the heat insulation filling layer 12 is compositely connected with a protective layer 13, the protective layer 13 is a graphite fiber layer, the graphite fiber layer has the characteristics of heat shock resistance, flame resistance and corrosion resistance, the cable core 1 can be effectively protected, a suspension cable 14 is arranged right above the protective layer 13, the outer edges of the protective layer 13 and the suspension cable 14 are respectively sleeved with a lantern ring 15, one side opposite to the lantern ring 15 is fixedly connected through a connecting rope 16, the self-weight load of the suspension cable 14 on the optical cable can be increased through the lantern ring 15 and the connecting rope 16, and the problems of damage and deformation of the self-supporting optical cable caused by long-time self-weight load are solved; be equipped with shock attenuation chamber 18 between insulating layer 17 and the lantern ring 15, the inside cushion rubber block 181 that is equipped with of shock attenuation chamber 18 can play the effect of weakening the impact force to cable core 1 through cushion rubber block 181, avoids the impact force to cause the damage of cable core 1, and it is smooth and easy to have ensured the communication of optical cable, the inside elastic component 182 that is equipped with of cushion rubber block 181 is through the supplementary effect of weakening the impact force of elastic component 182.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. All-dielectric layer-stranded 8-shaped self-supporting optical cable comprises a cable core (1) and is characterized in that the cable core (1) is connected with a shielding layer (11) in an outer surface composite mode, the shielding layer (11) is wrapped by an outer surface filling layer (12) in a heat insulation mode, the outer surface composite connection of the heat insulation filling layer (12) is provided with a protective layer (13), a suspension cable (14) is arranged right above the protective layer (13), lantern rings (15) are sleeved outside the protective layer (13) and the suspension cable (14) respectively, one side, opposite to the lantern rings (15), of each lantern ring (15) is fixedly connected with a connecting rope (16), and the outer surfaces of the lantern rings (15) and the connecting rope (16) are connected with an insulating layer (17).

2. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein a shock absorption cavity (18) is arranged between the insulating layer (17) and the sleeve ring (15), and a shock absorption rubber block (181) is arranged inside the shock absorption cavity (18).

3. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 2, wherein an elastic component (182) is arranged inside the shock-absorbing rubber block (181).

4. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein the shielding layer (11) is a copper wire fiber layer.

5. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein the insulating filling layer (12) is a fire clay filling layer.

6. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein the protective layer (13) is a graphite fiber layer.

7. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein the connecting cord (16) is a carbon fiber cord.

8. The all-dielectric layer-stranded 8-shaped self-supporting optical cable according to claim 1, wherein the insulating layer (17) is a butyl rubber layer.