Environmentally-friendly fireproof, insulated and anti-corrosive armored cable

Abstract

The invention discloses an environmentally-friendly fireproof, insulated an anti-corrosive armored cable. The cable comprises cores, conductors, an insulating layer, a shielding layer and an outer sheath; the sections of the conductors are of a circular structure; two cores are arranged in the conductors; reinforcing cores which are fixedly connected through PVC plastic connecting rod are arranged at the outside of the conductors and uniformly arranged in the PVC plastic connecting rod; filling layers are arranged at clearance parts of the conductors and the PVC plastic connecting rod; a guide core is arranged between the conductors and tangent to the conductors; the insulating layer is arranged at the outer part of the PVC plastic connecting rod; the surface of the insulating layer is covered with an insulating paint layer; the shielding layer is tightly extruded on the outer surface of the insulating paint layer; a flame-retardant glass fiber knitting layer is tightly extruded at the outer part of the shielding layer; an armored layer, an inner sheath and an outer sheath are tightly extruded at the flame-retardant glass fiber knitting layer from inside to outside; FRP (Fiber Reinforce Plastic) strips and steel wires are tightly arranged in an anti-corrosive asphalt layer. The cable has the advantages of being reasonable in structural design, high in insulating performance and high in anti-corrosion performance.

Description

technical field [0001] The invention relates to the field of cables, in particular to an environment-friendly fireproof, insulated and corrosion-resistant armored cable. Background technique [0002] At present, with the development of science and technology, the industry and other fields are also making rapid progress, which brings about the increase in the amount of cables. The existing cable structure generally includes multiple conductors, an insulating layer covering the outside of each conductor, There are many types of cables, which can be used in many fields, and the use environments in different fields are different, so there are different requirements for cables. The Chinese patent literature publishes The patent application number is CN201220490928.9, which is a high-temperature-resistant and fire-resistant power cable composed of a conductor, an elastomer extruded from silicone rubber and a fire-resistant mica tape. However, the design of this cable is relatively...

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Problems solved by technology

[0002] At present, with the development of science and technology, the industry and other fields are also making rapid progress, which brings about the increase in the amount of cables. The existing cable structure generally includes multiple conductors, an insulating layer covering the outside of each conductor, There are many types of cables, which can be used in many fields, and the use environments in different fields are different, so there are different requirements for cables. The Chinese patent literature publishes The patent application number is CN201220490928.9, which is a high-temperature-resistant and fire-resistant power cable composed of a conductor, an elastomer extruded from silicone rubber and a fire-resistant mica tape. However, the design of this cable is relatively simple, and there is only one layer of resistance outside the conductor The flame-resistant PVC sheath layer does not have the ability to be used for a long time if it is used in a harsh environment

It is easy to be corroded, and cannot withstand high pressure. The cable is easy to break when it is squeezed or stretched, which reduces work efficiency and increases the cost of the enterprise.

The patent application number published in the Chinese patent literature is CN201320601054.4, an insulated shielded control cable, which is composed of an insulated wire core layer, a shielded layer and a sheath, and its structure is a shielded layer made of polyvinyl chloride and a flame retardant The sheath is made of polyvinyl chloride, but the structure of this cable is relatively simple. In harsh environments, the cable has a short service life due to long-term corrosion, which cannot meet the long-term needs of people. Once the cable sheath is broken, the It has a great impact on the entire cable structure, poor insulation, and cannot play a waterproof and moisture-proof effect, and cannot meet the existing needs of people for cables

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