CN213303675U

CN213303675U - High tensile can hang heavy multicore high temperature cable

Info

Publication number: CN213303675U
Application number: CN202021886228.2U
Authority: CN
Inventors: 王成彬; 李明; 华小芳
Original assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Current assignee: SHANGHAI SHENYUAN HI-TEMP WIRE CO LTD
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-05-28
Anticipated expiration: 2030-09-02

Abstract

The utility model provides a heavy multicore high temperature cable can be hung to high tensile which characterized in that: it includes conductor sinle silk (1), the outer cladding of conductor sinle silk (1) has insulating layer (2), and the clearance between a plurality of claddings has conductor sinle silk (1) of insulating layer (2) is provided with filling layer (3), winds a plurality of insulating layers (2) winding parcel around covering (4), the outside cladding of covering (4) has oversheath (5). The whole cable not only has excellent performances of high temperature resistance, corrosion resistance, aging resistance, flame retardance and the like, but also prolongs the service life of the cable due to the advantages of high tensile strength, hanging weight and the like.

Description

High tensile can hang heavy multicore high temperature cable

Technical Field

The utility model belongs to the wire and cable field specifically says so and relates to a heavy multicore high temperature cable can be hung to high tensile.

Background

The wire and cable industry is an important matching industry for economic construction and is widely applied to various fields of national economy. In recent years, with the continuous and rapid development of economy and the advance of urbanization in China, the wire and cable industry keeps a higher growth speed, and correspondingly, higher requirements on the performance of the wire and cable are also provided. At present, fluoroplastic and silicon rubber are commonly used as materials for high-temperature cables, wherein the fluoroplastic not only has excellent electrical properties, but also has the advantages of high and low temperature resistance, acid and alkali corrosion resistance, good flame retardance and the like, and is an ideal insulating material for high-temperature cables. However, in some special application occasions, the wires and cables need to be used for hanging heavy objects, and the wires and cables with small sections have poor tensile property, so that mechanical damage can occur for a long time and when the hanging weight is large, and the service life of the wires and cables is shortened. At present, heavy wires and cables are required to be hung, in order to improve the tensile strength, the sectional area of a conductor or the thickness of an insulating sleeve and a sheath is generally required to be increased, the consumption of materials is increased, and the tensile strength is improved slightly. In addition, for a multi-core small-section wire and cable, the outer diameter requirement is usually met, and the strength of a common wire and cable material is low, so that the requirements of tensile strength and hanging weight cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical defects of the high-temperature cable, and provides a high-tensile multi-core high-temperature cable which can be hung with heavy wires, and aramid sheaths are woven outside fluoroplastic insulated wires. The aramid fiber has the advantages of high strength, high modulus, light weight and the like, good high temperature resistance, chemical corrosion resistance, good electrical insulation, aging resistance, radiation resistance and the like. The insulating layer is made of fluoroplastic, and has the advantages of excellent electrical performance, small high-frequency loss, high breakdown voltage, high volume resistivity, high arc resistance, good insulating resistance, good high-temperature resistance, chemical corrosion resistance, good electrical insulation and aging resistance. The whole cable not only has excellent performances of high temperature resistance, corrosion resistance, aging resistance, flame retardance and the like, but also prolongs the service life of the cable due to the advantages of high tensile strength, hanging weight and the like.

Technical scheme

In order to realize above-mentioned technical purpose, the utility model provides a pair of heavy multicore high temperature cable can be hung to high tensile, its characterized in that: it includes the conductor sinle silk, the outer cladding of conductor sinle silk has the insulating layer, and the clearance between the conductor sinle silk of a plurality of claddings has the insulating layer is provided with the filling layer, wraps up a plurality of insulating layer 2 windings around the covering, the outside cladding of covering has the oversheath around.

Furthermore, the conductor wire core is formed by twisting tinned copper wires, silver-plated copper wires or nickel-plated copper wires.

Furthermore, the insulating layer is made of fluoroplastic, and the thickness of the insulating layer is 0.1-1.0 mm.

Further, the filling layer is a PTFE rope.

Further, be the PTFE area around the covering, be 0.05 ~ 0.5mm around the thickness of covering 4.

Further, the outer sheath is formed by weaving aramid fibers, and the thickness of the outer sheath 5 is 0.2-1.0 mm.

Advantageous effects

The utility model provides a pair of heavy multicore high temperature cable can be hung to high tensile, wherein the conductor sinle silk is cladding material copper conductor, and when using in high temperature environment, the cladding material conductor has good corrosion resistance and oxidation resistance, and life is longer. The insulating layer is fluoroplastic insulating, and has excellent electrical performance, low high-frequency loss, high breakdown voltage, high volume resistivity, high arc resistance, high insulating resistance, high temperature resistance, high chemical corrosion resistance, high electric insulating property and high aging resistance, and long service life. During cabling, the PTFE rope is used as a filling layer, so that the roundness of the electric wire and the electric cable can be ensured; after the multiple wire cores are twisted, the PTFE tape is used for wrapping, the shape stability of the wire and cable is ensured, and the effect of protecting the insulating core wire can be achieved. And the oversheath adopts aramid fiber to weave the form and covers outside PTFE is around the covering, and aramid fiber not only has fine properties such as superhigh strength, high modulus, light in weight, and intensity is 5 ~ 6 times of steel wire, and the modulus is 2 ~ 3 times of steel wire or glass fiber, and toughness is 2 times of steel wire. It also has the advantages of good high temperature resistance, chemical corrosion resistance, good electrical insulation, aging resistance, radiation resistance and the like. The wire and cable has excellent overall performance and high tensile property. Meanwhile, the outer sheath is formed by wrapping a PTFE tape and weaving aramid fibers together, and compared with outer sheaths such as silicon rubber used for electric wires and cables with large outer diameters in the current market, the outer sheath has better performance.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in the attached figure 1, the high tensile strength multi-core high-temperature cable capable of hanging heavy wires is characterized in that: it includes conductor sinle silk 1, conductor sinle silk 1 outer cladding has insulating layer 2, and the clearance between a plurality of conductor sinle silks 1 that have insulating layer 2 of cladding is provided with filling layer 3, wraps up a plurality of insulating layer 2 windings around covering 4, the outside cladding of covering 4 has oversheath 5.

The conductor wire core 1 is formed by twisting tinned copper wires, silver-plated copper wires or nickel-plated copper wires. When the coating conductor is used in a high-temperature environment, the coating conductor has good corrosion resistance and oxidation resistance, and the service life is longer.

The insulating layer 2 is made of fluoroplastic and has excellent electrical insulation, and the thickness of the insulating layer 2 is 0.1-1.0 mm.

And the filling layer 3 is a PTFE rope, so that the roundness of the electric wire and the electric cable can be ensured.

The wrapping layer 4 is a PTFE tape, and the filling and the wire core are fixed to prevent loosening. The thickness of the wrapping layer 4 is 0.05-0.5 mm.

The outer sheath 5 is formed by weaving aramid fibers, and the thickness of the outer sheath 5 is 0.2-1.0 mm. The aramid fiber has excellent mechanical properties and extremely high tensile property, and also has good high temperature resistance, flame retardance, electrical insulation, chemical resistance stability, radiation resistance and the like.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a heavy multicore high temperature cable can be hung to high tensile which characterized in that: the cable comprises conductor wire cores (1), wherein the conductor wire cores (1) are coated with insulating layers (2), a filling layer (3) is arranged in a gap between the conductor wire cores (1) coated with the insulating layers (2), the insulating layers (2) are wound and wrapped by a winding layer (4), and an outer sheath (5) is coated outside the winding layer (4);

the conductor wire core (1) is formed by twisting tinned copper wires, silver-plated copper wires or nickel-plated copper wires;

the insulating layer (2) is made of fluoroplastic, and the thickness of the insulating layer (2) is 0.1-1.0 mm;

the filling layer (3) is a PTFE rope;

the wrapping layer (4) is a PTFE tape, and the thickness of the wrapping layer (4) is 0.05-0.5 mm;

the outer sheath (5) is formed by weaving aramid fibers, and the thickness of the outer sheath (5) is 0.2-1.0 mm.