Fireproof flame-retardant cable and wrapping mechanism for producing fireproof flame-retardant cable

Abstract

The invention relates to a fireproof flame-retardant cable and a wrapping mechanism for producing the fireproof flame-retardant cable. The fireproof flame-retardant cable comprises a plurality of inner cores, each inner core comprises a wire core, an insulating layer and a shielding layer from inside to outside, and the fireproof flame-retardant cable also comprises an inner protective layer and an outer protective layer. The wrapping mechanism used for manufacturing the fireproof flame-retardant cable comprises a wrapping support, two wrapping devices and a limiting support which are arranged on the ground, a wrapping pipe is arranged on the wrapping support, the two wrapping devices are oppositely arranged on the wrapping pipe, the end, close to the wrapping pipe, of each component of each wrapping device is an inner end. The end, away from the wrapping pipe, of each wrapping device is an outer end, and each wrapping device comprises a fixed rod, a movable rod, an adjusting ring, a wrapping rod and a tension adjusting part. The cable provided by the invention has the advantages of blocking flame burning and prolonging the continuous use time in big fire.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a fire-resistant and flame-retardant cable and a wrapping mechanism for producing the fire-resistant and flame-retardant cable. Background technique [0002] The cable is usually a rope-like cable twisted by several or groups of wires (at least two in each group). Each group of wires is insulated from each other, usually twisted around a center, and the entire outer surface is covered with a high degree of insulation. overlay. [0003] The flame retardant and fireproof performance of existing cables is not high. The patent document with application number 201920992474.7 discloses a fireproof and flame retardant cable for coal mines, including an inner flame retardant layer. The inner wall of the inner flame retardant layer is fixedly connected with a halogen-free The outer end of the halogen-free flame-retardant filler block is uniformly provided with three through holes, and the...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem that the existing cables have poor flame-retardant and fire-proof properties and the corresponding wrapping mechanism cannot provide constant tension and the steps of disassembling and assembling the paper tray are cumbersome, the present invention provides a fire-proof and flame-retardant cable and a wrapping mechanism for producing fire-resistant and flame-retardant cables , the purpose is to provide a cable core with good fire and flame retardant properties and a wrapping mechanism with stable tension that does not require cumbersome fixed paper trays

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