Fabricated cable fire-retardant isolation structure

The utility model discloses an assembly type cable fire-retardant isolation structure comprising a cable main body, the outer wall of the cable main body is sleeved with a fireproof isolation ferrule, the fireproof isolation ferrule is composed of a base material layer, an insulating layer, a flame-retardant layer and a wear-resistant layer, the outer wall of the base material layer is fixedly connected with the insulating layer, and the outer wall of the flame-retardant layer is fixedly connected with the wear-resistant layer. A flame-retardant layer is fixedly connected to the outer wall of the insulating layer, a wear-resistant layer is fixedly connected to the outer wall of the flame-retardant layer, and fixing assemblies are arranged on the two sides of the outer wall of the fireproof isolation ferrule. According to the utility model, through the arrangement of the fireproof isolation ferrule, the built-in flame-retardant layer can obtain a better flame-retardant effect, the mineral fibers have better hi