Crimped casing for electric transmission and distribution wire

Abstract

This invention discloses a crimp connection for casing tube or crimped lock for wire used in power transmission and distribution line composed of a columnary matrix, the section of which exhibits C shape, two lineal furrows are set at both ends point distributed locking reentrants / humps or continuous or discontinuous locking furrows or locking ribs are set up on the surfaces of inner / output surfaces of the matrix and the furrows to stitch the crimped lock with wires due to the above-mentioned crimped lock structure, increasing its pulling force, reducing its connection adapted resistance and temperature rising.

Description

technical field [0001] The present invention relates to a kind of electric power fittings, in more detail, it relates to a kind of crimping sleeve mainly used for high and low voltage transmission and distribution lines, which is a kind of copper, aluminum or other metal which can be crimped together with the wire. Material C-shaped crimp sleeve. Background technique [0002] The crimping sleeve is commonly known as "clamp", which is a commonly used electric power fitting. It is divided into two types: "tension type clamp" and "non-tension type clamp". " and pressure " crimping type " two kinds. [0003] At present, the "bolt locking type" "parallel groove clamp" is widely used in China. This kind of clamp is to process two grooves and two or more bolt holes on a thick aluminum plate, and then use two Or two or more bolts lock two double-groove aluminum sheets to complete the connection between the wire and the wire. The contact area between the wire clamp and the wire is ...

AI Technical Summary

Problems solved by technology

[0084] 10. The existing US-standard C-shaped aluminum crimping clamp, in order to improve the tensile capacity of the clamp, is realized by lengthening the length of the clamp, so the number of crimping increases, and the problem caused by this is that the crimped wire The clip body is in a curved shape. During the "live work" of the power line, its "open and closed safety insulating rubber tube" cannot penetrate the covering. If it is forced to penetrate, the curved live part will be exposed outside the tube, forming "live work" Difficulties and potential job safety crisis of electric shock accidents for live workers

[0085] 11. Existing C-shaped aluminum crimping clamps, after crimping, the clamp entity presents a curved shape. When the bending angle is large, due to the temperature difference between day and night and the peak off-peak load, thermal expansion and contraction are caused, and the clamp will be in the bend over time. Breakage leads to loosening or disconnection of connecting wires, resulting in power line blackout accidents, increasing power loss and reducing power supply revenue

[0086] 12. Existing C-shaped copper and aluminum crimping clamps. After the crimping of the clamps, the wire groove and the wires are flat. The resulting wires are loose, corroded, and disconnected, resulting in power line failures, which will lead to "out-of-phase operation" , burning the user's equipment, causing losses to the user or the power company, and causing a compensation dispute between the user and the power company

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