High-strength plastic-steel composite cable protection pipe

Abstract

A high-strength plastic-steel composite cable protection pipe comprises an inner layer which is formed by weaving fiber yarn, and the interior of which is used for laying a cable; a middle reinforcinglayer formed by weaving, winding and mixing a plurality of layers of fiber yarn and fixedly compounded on the outer surface of the inner layer; and a thermal shrinkage layer which is shrunk and fixedon the outer surface of the middle reinforcing layer. The inner layer is formed by weaving the fiber yarn, so that friction is resisted, the fiber yarn is not easy to fall off, the cable can pass through easily, the cable is prevented from being scratched when the cable is penetrated by hairs on the inner wall, and the cable penetrating failure caused by loose fibers winding the cable on the inner wall is avoided; the middle reinforcing layer is formed by weaving, winding and mixing the fiber yarn, is high in mechanical strength, can bear heavy load, is not easy to break, and plays a good role in protecting the internal cable; the outer thermal shrinkage layer forms a protective layer, the outer wall is not prone to damage, burrs are avoided, the situation that a glass reinforced plasticpipe is prone to damage and generates burrs to prick the hands of workers is avoided, and installation and carrying are convenient.

Description

Technical field: [0001] The invention relates to the technical field of cable guides, in particular to a high-strength plastic-steel composite cable protection tube. Background technique: [0002] At present, when cables are laid, conduits are usually buried in the ground, and the cables inside are guided and protected by conduits. Analyze the currently used power conduits. The main ones used in the past are galvanized steel pipes, polyvinyl chloride (PVC) pipes, chlorinated polyvinyl chloride (CPVC) pipes, polyethylene (PE) pipes, glass fiber reinforced plastic sand-filled cable conduits, and plastic steel pipes. Cable tubes, etc. Although the above cable guides have certain advantages, due to the limitations of the materials used, these cable guides have certain disadvantages: [0003] ①Galvanized steel pipe, although it has good mechanical strength of steel pipe, is a straight welded steel pipe with seams, and there are a lot of burrs in the welding part of the inner la...

AI Technical Summary

Problems solved by technology

[0008] In order to make up for the deficiencies of the prior art, the present invention provides a high-strength plastic-steel composite cable protection tube, which solves the problem of scratching the cable when the burr exists on the inner wall in the past, and solves the problem of being subjected to underground loads with poor mechanical strength and difficult to bear heavy loads in the past. The problem that the force is easy to break solves the problem that the loose wires on the inner wall cause the cable to fail to pass through the cable, and solves the problem that the outer glass steel pipe is easily damaged and burrs are easy to hurt the hands of the workers and the problem of difficult handling and installation

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