Wire abandoning and pole protecting device for transmission and distribution line and installation method for wire abandoning and pole protecting device

Abstract

The invention discloses a wire abandoning and pole protecting device for a transmission and distribution line. The wire abandoning and pole protecting device comprises a long-strip-shaped metal shell, a first wire installation channel is arranged on one side of the metal shell, a notch is formed in the middle of the metal shell, the notch divides the first wire installation channel into a first wire channel and a second wire channel, a first wire can be embedded in the first wire channel, a second wire can be embedded in the second wire channel, the first wire channel and the second wire channel achieve mechanical clamping on the corresponding wires, and the first wire and the second wire are not fixedly connected and are in electric connection through the metal shell. During normal operation, the wire abandoning and pole protecting device for the transmission and distribution line should not glide relative to the wires, and mechanical performance and electrical performance of an original line are not influenced at all. When applied force of external force on a distribution network line exceeds a set action value, the first wire and the second wire can be completed released, the applied force of the wires to the pole is released, and it is ensured that the external force is not continuously exerted on the pole any more.

Description

technical field [0001] The invention relates to a protection bar device for abandoning lines of power transmission and distribution lines, and also relates to an installation method for the protection bar device for abandoning lines of transmission and distribution lines. Background technique [0002] With the rapid development of the national economy and the continuous improvement of people's living standards, the demand for power supply is also increasing, and the overhead lines of power transmission and distribution are also increasing rapidly, so the reliability requirements for power supply are also increasing. At present, the atmospheric environment is fickle, and ice disasters, typhoons and rainstorms have become commonplace, which also brings great hidden dangers to the safe power supply of power transmission and distribution overhead lines. Large, or the billboard blew down on the conductor line, or the trees around the line were broken and pressed onto the conducto...

AI Technical Summary

Problems solved by technology

[0004] 1. It is difficult to design and modify the insulator on the basis of the design of the existing overhead line, both in theory and in practice. The direction of action is uncertain, and the different ways of erecting the lines may lead to the unreliable release of the wires; secondly, because the wires of the distribution network are fixed above the insulators, even if the wires are effectively separated from the insulators under external force , but due to the influence of the cross-arm, the wire will always be placed on the cross-arm, the tension of the wire cannot be effectively released, and an accident will eventually result in a down-rod accident. At the same time, this scheme requires a power outage for construction, and it is not feasible to implement it on a large scale

[0005] 2. If the installation method of the insulator is changed to a suspension installation design, the above problems can be solved to a certain extent, but at the same time, the problems of the above-mentioned wire erection method and the number of circuits are still faced, and the implementation of this solution must change the poles of the entire line Erecting the structure and replacing the insulators of the entire line requires a huge amount of work, and requires a power outage of the entire line, which is not advisable from an economic point of view

[0006] Neither of the above two solutions can effectively solve the problem, so now we need an economical, reliable and easiest solution to solve the above problems

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