Ratproof termite-proof fireproof multifunctional rubber jacket branch cable and manufacturing method thereof

Abstract

The invention discloses a ratproof termite-proof fireproof multifunctional rubber jacket branch cable and a manufacturing method thereof. The ratproof termite-proof fireproof multifunctional rubber jacket branch cable comprises a main cable and a branch cable, wherein the main cable and the branch cable are connected through a branch joint; an insulating layer is coated outside the joint of the main cable and the branch cable; the main cable and the branch cable have the same structure and comprise cable cores, wherein the cable cores are formed by stranding a plurality of wire cores; each wire core consists of a conductor, and a double-sided refractory mica tape layer, a conductor insulating layer and a first refractory fiber layer which are extruded outside the conductor sequentially; a filling strip is arranged at a gap between the cable cores; an inner sheath is extruded outside the cable core; a second refractory fiber layer is weaved outside the inner sheath; and an external sheath is extruded outside the second refractory fiber layer. The ratproof termite-proof fireproof multifunctional rubber jacket branch cable has high insulating performance, high mechanical performance and high stability, is provided with a dual rat-resistant termite-resistant and insect-resistant protective layer, and has the characteristics of oil resistance, solvent resistance, weather resistance, cold resistance, heat ageing resistance and combustion resistance.

Description

[0001] technical field [0002] The invention relates to the field of electric wires and cables, in particular to a mouse-proof, ant-proof and fireproof multifunctional rubber-sheathed branch cable. Background technique [0003] When the cables are used in industrial, commercial, shipbuilding, high-rise buildings, mines, petroleum, chemical and other environments, they are not only damaged by non-human mechanical external forces, but also corroded by rats, termites, and insects, and are inflammable and explosive. Places or public places, residential buildings, shopping malls, and parks that threaten personal and property safety in case of fire have strict restrictions on places for power supply systems, which not only limit the cable's anti-rat and ant-proof fire performance, but also limit the cable laying space and cable roots. Number, because the smaller the space for cable laying, the fewer the number of cables to be laid, and the higher the safety factor. The existing ...

AI Technical Summary

Problems solved by technology

Natural rubber is a non-polar substance, which is easily soluble in oil pollution, and has low insulation resistance (insulation volume resistivity 1011), poor mechanical properties, and styrene-butadiene rubber has poor insulation properties and unstable physical properties. It changes greatly with the temperature change, so its anti-rat, anti-termite, anti-insect erosion performance is poor; in terms of structural design, there is no refractory fiber braid layer, and there is no design of rodent-proof, anti-termite, flame-retardant synthetic chlorinated polyethylene rubber sheath branch head , not to mention that the main cable and the branch cable are integrated through the branch head to form an integrated anti-rat, ant-proof and fire-proof multifunctional rubber-sheathed branch cable

[0004]The following problems exist in the production technology of traditional rodent-proof and ant-proof branch cables: 1. The poor performance of the material itself leads to poor insulation and mechanical properties; 2. Insulation and sheath elasticity Poor, large compression deformation, low strength; 3. Poor performance against rodents, termites, and insects; 4. Weather resistance, heat aging resistance, and poor cold resistance; ; 6. There is no rodent-proof, ant-proof, flame-retardant synthetic chlorinated polyethylene rubber sheathed branch head, so that the main cable and the branch cable are integrated through the branch head

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