Cabling pitch stabilizing device for layer-stranding cable

Abstract

The invention relates to a cabling pitch stabilizing device for a layer-stranding cable. The cabling pitch stabilizing device comprises a bracket, a driving rod, a connecting rod, a punch, an upper die and a lower die. The bracket is of a hollow structure, a driving motor is arranged internally and drives the driving rod to rotate, the driving rod drives the connecting rod to make the punch pressed down, and a die is mounted on the punch. The cabling pitch stabilization of the layer-stranding cable is maintained through relative squeezing of the upper die and the lower die. The cabling pitch stabilizing device is simple in structure, convenient to manufacture, simple to operate and low in cost, and the phenomenon that the resistance of the periphery of a cable core becomes small due to thefilling of oil paste, which makes the cable core slide easily and make the loose tube pitch vary easily is effectively avoided. The cabling pitch is stabilized, the cabling pitch stabilization of thelayer-stranding cable is maintained efficiently, the product quality is improved, and the cabling pitch stabilizing device is economical, efficient and suitable for being massively promoted and used.

Description

technical field [0001] The invention belongs to the field of optical cable processing, and relates to a layer-twisted optical cable cabling process, in particular to a layer-twisted optical cable cabling pitch stabilizing device. Background technique [0002] Stranded fiber optic cable is formed by twisting a plurality of sleeves containing optical fibers around a central strengthening member to form a round core. The metal or non-metallic strengthening member is located in the center of the cable, and the loose tubes accommodating optical fibers are arranged around the strengthening member. Optical fiber loose tube is wound on the central strength member at a certain pitch, generally FRP is extruded and the inner sheath is extruded, and then wrapped with suitable spun yarn according to the required tensile strength, and then extruded into PE or AT jacket. [0003] Usually, the outer periphery of the cable core is filled with ointment, but when the stranded optical cable wo...

AI Technical Summary

Problems solved by technology

[0003] Usually, the outer periphery of the cable core is filled with ointment, but when the layer-stranded optical cable works in a large span and has a large sag, due to the small resistance of the ointment, the cable core is easy to "slide" and loose the sleeve. Tube pitch is prone to change

It can be overcome by fixing the loose tube on the central reinforcement and the dry cable core with a suitable method, but there are certain technical difficulties

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