An electric tension cross arm

Abstract

The invention belongs to the technical field of electric power equipment, and specifically relates to an electric power tension cross arm, which includes two mutually parallel supports, and the two supports are fixedly connected by connecting rods; the support is composed of vertical plates and horizontal plates fixedly connected together; A fixing mechanism is installed on the vertical plate, and a tensioning mechanism is installed on the horizontal plate. The tensioning mechanism includes a slider, a support plate, a support spring, a mounting column, a connecting rod and a mounting seat; the slider is slidably installed on the top surface of the horizontal plate; a support plate is installed on the top surface of the horizontal plate, and a The supporting spring; the top of the slide block is rotatably fitted with a mounting column, the top of the mounting column is fixedly mounted with a connecting rod, and the end of the connecting rod is fixedly mounted with a mounting seat. The electric tension cross arm of the invention avoids the situation that the cross arm is shaken up and down, and can automatically reset after horizontal rotation; when the wire is heated and elongated, it can ensure that the wire is always in a tensioned state.

Description

technical field [0001] The invention belongs to the technical field of electric power equipment, and particularly relates to an electric tension cross arm. Background technique [0002] The angle iron fixed horizontally on the top of the utility pole is used to install insulators and hardware to support the conductors and lightning conductors and keep them at a certain safe distance according to regulations. It is an important part of the tower. The cross arm can be divided into straight cross arm, corner cross arm and tensile cross arm according to the purpose. In addition to bearing the vertical and horizontal load of the wire, the tensile cross arm also bears the tension difference of the wire. The existing tensile cross-arm has the following problems during use: (1) The cross-arm and the utility pole cannot be firmly connected, which causes the cross-arm to rotate horizontally or shake up and down when it is affected by the wind, and it cannot be automatically reset. ,...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides an electric tension cross-arm, aiming to solve the following problems in the current electric tension cross-arm during use: (1) The cross-arm cannot be firmly connected with the utility pole, causing the cross-arm to be damaged When the wind acts, it is easy to cause horizontal rotation or up and down shaking, and it cannot be automatically reset, which will adversely affect the safety of the transmission line; (2) In areas with high summer temperatures, the elongation of the wire after heating is relatively large, resulting in horizontal The insulator on the shoulder cannot effectively tighten the conductor, which will also adversely affect the safety of the transmission line

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