A box-shaped lightning arrester installed vertically

Abstract

The invention discloses a box-shaped lightning arrester inserted and installed vertically. The connecting central block is composed of a pair of square prisms; the square size of the center of the connecting central block is larger than the square size of the upper and lower end faces; the elastic movement inside the limiting box is provided with four A limit clamp block; the moving direction of the limit clamp block is perpendicular to the four inner walls of the limit box; the center of the inner end surface of the limit clamp block is formed with a limit insert angle that matches the middle part of the connecting center block; the limit insert The upper inclined surface of the angle is parallel to the inclined surface of the corresponding side of the square edge platform connected to the upper part of the central block, and the lower inclined surface is parallel to the inclined surface of the corresponding side of the square edge platform connected to the lower part of the central block; The top of the end face is formed with an inclined surface inclined upward from the inside to the outside, and this inclined surface is parallel to the inclined surface on the corresponding side of the square prism connecting the lower part of the central block.

Description

technical field [0001] The invention relates to the technical field of box-shaped arresters, in particular to a box-shaped arrester installed vertically. Background technique [0002] The most primitive lightning arrester is a horn-shaped gap, which appeared at the end of the 19th century and was used for overhead transmission lines to prevent lightning strikes from damaging equipment insulation and causing power outages, so it is called "lightning arrester". In the 1920s, aluminum arresters, oxide film arresters and pill arresters appeared. Tube arresters appeared in the 1930s. Silicon carbide arresters appeared in the 1950s. In the 1970s, metal oxide arresters appeared again. Modern high-voltage arresters are not only used to limit the overvoltage caused by lightning in the power system, but also used to limit the overvoltage caused by system operation. The arrester is used to protect electrical equipment from high transient overvoltage hazards and limit the freewheelin...

AI Technical Summary

Problems solved by technology

[0003] However, there are a lot of shortcomings in the existing box-shaped arrester. For example, the existing box-shaped arrester is not easy to install and disassemble. In the process of using the arrester, once the arrester is damaged, the arrester needs to be disassembled, and then a new arrester needs to be installed. , so as to facilitate better work between cable components, and also to facilitate the maintenance of the arrester, but the existing box-shaped arrester is not easy to disassemble, because the arrester itself is heavy and works at a high altitude, so that in the process of disassembly , requires multiple staff to carry out auxiliary work, otherwise the lightning arrester is prone to the danger of falling, which is not only time-consuming and labor-intensive, but also dangerous, thus reducing the efficiency of disassembly

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