Groove roller-type cable pipe mouth sheath device

Abstract

The invention discloses a groove roller-type cable pipe mouth sheath device. The groove roller-type cable pipe mouth sheath device comprises a pipe mouth baffle ring and a positioning short pipe, wherein the positioning short pipe is inserted into a cable protection pipe, a plurality of roller bases are arranged on an inner wall of the positioning short pipe, an arc groove roller is arranged between adjacent roller bases by a roller shaft, the groove arcs of the plurality of groove rollers are concentric with equal radius, preferably, and an angle of a fan-shaped coverage region of the plurality of groove rollers in the cable protection pipe is larger than or equal to 120 degrees. The grove roller-type cable pipe mouth sheath device has the beneficial effects of simple structure and low fabrication cost, can be repeatedly used and is convenient to carry and disassemble; sliding friction between a cable at a cable protection pipe inlet and the cable protection pipe is changed to rollingfriction, the resistance during the construction process is greatly reduced, meanwhile, direct contact of the cable and the cable protection pipe is prevented, and the risk that the cable is damagedis reduced.

Description

technical field [0001] The invention relates to a cable protection device, in particular to a grooved roller type cable pipe opening sheath device installed at the entrance of the cable pipe. Background technique [0002] Cables are often used in the power industry. If the cables are directly exposed to the external environment or directly constructed, the external environment and construction will cause certain damage to the outer surface protective layer of the cable, thus threatening the safety of the cable. Safe, stable work. Therefore, under normal circumstances, a casing is often added outside the cable, and the cable needs to be passed through a pipe. Especially in the subway industry, buried cables are laid in galvanized steel pipes to protect the cables. However, due to the heavy weight and long length of the cable, the operation of threading the pipe is more difficult. At present, the cable threading is generally carried out by dragging with a traction rope, but i...

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a grooved roller type cable nozzle sheathing device to prevent the cable insulation layer from being scratched in order to solve the problem that the insulation protection layer is easily damaged and the dragging resistance is large during the above-mentioned cable passage process. breakage, and reduce the drag resistance, thereby reducing labor intensity, improving construction efficiency, and ensuring safe use of cables

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