A sliding rail type cable intermediate joint protective shell
A technology for cable intermediate joints and protective shells, applied in cable joints and other directions, can solve the problems of public security threats, low mechanical strength, easy to catch fire, etc., and achieve the effect of high structural strength
Pending Publication Date: 2019-01-15
SHENZHEN POWER SUPPLY BUREAU
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Problems solved by technology
[0003] Due to the manufacturing and installation defects of the middle head of the high-voltage cable, the probability of short-circuit breakdown during the operation of the middle head of the high-voltage cable is much higher than that of the cable body. In addition, the middle joint of the high-voltage cable is mostly made of polymer flexible materials, which have good insulation and waterproof performance, but The mechanical strength is low. Due to the huge energy of the power system, once the middle head of the high-voltage cable fails, it is easy to catch fire and explode, posing a threat to public safety.
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.
[0025] Such as figure 1 As shown, it is a schematic diagram of the overall structure of a slide rail type cable intermediat...
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The embodiment of the invention discloses a sliding rail type cable intermediate joint protective shell, which comprises a base, an upper cover and a support guide rail. A first hinge tube is formed on one side of the base, and a first flange edge is extended on the other side. At both end thereof, sliding groove strip are formed, and sliding grooves are for between that sliding groove strips andthe end portions of the base; One side of the upper cover forms a second hinge tube, the other side extends out a second flange edge, and the second hinge tube and the first hinge tube are staggered;The base and the opening of the upper cover are oppositely arranged, and the first flange edge on the base and the second flange edge on the upper cover are fitted and fixed by bolts, and the first hinge pipe is matched with the second hinge pipe and is hinged by a hinge shaft; The receiving space formed after the base and the upper cover are fixed is provided for placing two side-by-side high-voltage cable intermediate joints; The support guide has two vertical and parallel guide strips, each of which is movably engaged with a sliding groove on the base. As that embodiment of the invention isimplement, the middle joint of the high-voltage cable can be protected, and the stacking and adjusting positions of a plurality of protective shells can be realized.
Description
technical field [0001] The invention relates to the field of high-voltage cable intermediate joint protection, in particular to a slide rail type cable intermediate joint protective shell. Background technique [0002] High-voltage cables are an important part of the power system, and their main purpose is to transmit energy. When the high-voltage cable is laid for a long length, it is necessary to use the cable intermediate head for connection, and the connection of the cable intermediate head is generally carried out at the cable laying site. [0003] Due to the manufacturing and installation defects of the middle head of the high-voltage cable, the probability of short-circuit breakdown during the operation of the middle head of the high-voltage cable is much higher than that of the cable body. In addition, the middle joint of the high-voltage cable is mostly made of polymer flexible materials, which have good insulation and waterproof performance, but The mechanical str...
Claims
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IPC IPC(8): H02G15/18
CPCH02G15/18
Inventor 黄炜昭
Owner SHENZHEN POWER SUPPLY BUREAU