Locking and sealing device for undersea armored cable

Abstract

The invention relates to a locking and sealing device for an undersea armored cable. The locking and sealing device comprises a support, a sealing chamber, a flange inner cone, a pressure cap for spirally sealing the tail part of the support and a locking pressure plate positioned in the sealing chamber, wherein the sealing chamber and the flange inner cone are fixed on the support. The locking and sealing device is characterized in that a locking block and a tapered colloid are further contained in the flange inner cone, wherein the locking block is positioned at the head of the flange innercone, and a wire slot for accommodating an armored steel wire is arranged on the locking block; and the tapered colloid is positioned at the tail of the flange inner cone. The locking and sealing device is simple and compact in structure, can apply same locking force to each armored steel wire, and is further convenient for mounting. Compared with the existing connecting and fixing way of the armored cable, the locking and sealing device has the advantages that the cable can be effectively locked, the maximum bearing pulling force of the armored cable can be met, the armored cable can be prevented from exposing in seawater, rust corrosion is avoided, and the service life and reliability of the armored cable are obviously improved. The device can be applied in land bank stations, underwater bases and other underwater facilities.

Description

technical field [0001] The invention belongs to the field of submarine cable locking and waterproof devices, in particular to a submarine armored cable locking and sealing device. Background technique [0002] At present, the connection between domestic submarine optical cables and underwater equipment is mostly fixed by integral clips or stripped and fixed in a centralized manner. The armored steel wire of the cable is fixed in two ways. The former is to indirectly fix the armored steel wire by holding the anti-wear outer layer of the cable tightly with clips. For the purpose of locking, the locking force of this structure is small and it will damage the outer protective layer of the cable, and the seawater is also easy to corrode the armored steel wire. The latter also needs to peel off the steel wire of the armored cable and fix it, which will also cause the exposed corrosion of the armored steel wire and affect the service life. Contents of the invention [0003] The ...

AI Technical Summary

Problems solved by technology

[0002] At present, the connection between domestic submarine optical cables and underwater equipment is mostly fixed by integral clips or stripped and fixed in a centralized manner. The armored steel wire of the cable is fixed in two ways. The former is to indirectly fix the armored steel wire by holding the anti-wear outer layer of the cable tightly with clips. For the purpose of locking, the locking force of this structure is small and it will damage the outer protective layer of the cable, and seawater is also easy to corrode the armored steel wire

The latter also needs to peel off the steel wire of the armored cable and fix it, which will also cause the exposed corrosion of the armored steel wire and affect the service life

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