CN203086094U - High-voltage cable joint protecting shell - Google Patents

Abstract

The utility model discloses a high-voltage cable joint protective shell, which is used for reconnecting disconnected cables, and comprises two half shells on the left and right, which are fastened and sealed by bolts. The utility model adopts a longitudinal corrugated structure, and the inner cavity does not need to be filled with insulating sealant, so that the function of not only being able to withstand short-circuit current but also conducting the load heat of the cable can be achieved.

Description

Protective shell for high voltage cable glands

technical field

The utility model relates to a high-voltage cable accessory, in particular to a protective shell for a high-voltage cable joint. the

Background technique

At present, in the power cable system, the cable intermediate connector as a cable accessory is a product that connects the disconnected cables on both sides. After installation, it needs to be covered with a metal protective shell, and the metal shell is filled with insulating sealant. The metal protective shell is responsible for bearing the short-circuit current, and the sealant is responsible for conducting the heat of the cable load, so as to facilitate the heat dissipation of the internal intermediate connection joints. The installation method of traditional technology is greatly affected by the proportion of insulating sealant, and there is also a limit to the filling time, which brings certain safety hazards to the normal operation of the cable intermediate connection joint; moreover, the insulating sealant is non-renewable and does not meet the requirements of green Environmental requirements. the

Utility model content

The purpose of the utility model is to change the traditional method of filling insulating sealant in the existing metal shell, and provide a high-voltage cable joint protective shell that can withstand short-circuit current and conduct cable load heat, and facilitate the heat dissipation of the intermediate connecting joint. the

The technical scheme adopted by the utility model to solve the technical problem is: a high-voltage cable joint protective shell, including a left half shell, a sealing ring and a right half shell, and the left half shell and the right half shell adopt a bolt fastening sealing structure through the sealing ring Connected, the outer surfaces of the left and right half shells adopt longitudinal corrugations. the

Further, the left half-shell and the right half-shell are made of non-magnetic metal. the

Compared with the prior art, after the utility model adopts the metal protective shell with corrugated structure, the inner cavity does not need to be filled with insulating sealant, and can achieve the function of not only being able to withstand short-circuit current but also conducting the heat of the cable load, which saves costs , and meet the requirements of green environmental protection. the

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort. the

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a sectional view of the utility model. the

Detailed ways

The following will clearly and completely describe the technical solution of the utility model in conjunction with the accompanying drawings of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. the

As shown in Figures 1 and 2, in this embodiment, the utility model includes a left half-shell 1, a sealing ring 2 and a right half-shell 3, and the left half-shell 1 is placed on one side of the cable 4, and the right half-shell 3 Put it on the cable 5 on the other side. After the stress cone is installed in place, move the protective shells on both sides to the center position. After installing the sealing ring 2, connect the protective shells, tighten and seal them with screws, and weld the metal shells to the cables. Just seal it. the

Among them, the shape of the metal protective shell of the utility model is longitudinally corrugated; the inner cavity of the metal protective shell is in contact with the shape of the stress cone to conduct the heat of the cable load; the metal protective shell does not need to be filled with insulating sealant; the material of the metal protective shell is non-magnetic metal; After the metal protective shells on the left and right sides are docked, they are fastened and sealed with bolts; the metal protective shells and cables are welded. the

Compared with the prior art, the high-voltage cable joint protective shell of the utility model can withstand short-circuit current; has the function of conducting the heat of the cable load; meets the functional requirements of thermal expansion and contraction; the interior is not filled with insulating sealant, and has the function of environmental protection ; Guarantee the strength requirements of the metal shell. The utility model also has the advantages of simple installation, no need to fill insulating sealant, safety, convenience, and environmental protection. the

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims. the

Claims (2)

1. high-voltage cable joint containment vessel; comprise: left half shell (1), sealing ring (2) and right half shell (3); it is characterized in that; a described left side half shell (1) adopts the bolted hermetically-sealed construction to be connected with the described right side half shell (3) by described sealing ring (2), and the outer surface of a described left side half shell (1) and the described right side half shell (3) adopts longitudinal ripple.

2. high-voltage cable joint containment vessel according to claim 1 is characterized in that, a described left side half shell (1) and the described right side half shell (3) adopt no magnetic metal material.

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