Circuit breaker overhauling contact

Abstract

The invention provides a circuit breaker overhauling contact. The contact comprises a contact body inserted into a moving contact, and the contact body comprises a bottom plate, clamping pieces and an adjusting rod; a through hole is formed in the bottom plate, and the clamping pieces are arranged on the bottom plate in the circumferential direction of the bottom plate; the bottom plate and the clamping pieces form a variable-diameter sleeve, and the clamping pieces are provided with test line connecting positions; the adjusting rod is arranged in the variable-diameter sleeve, one end of the adjusting rod penetrates through the through hole, and the adjusting rod can move back and forth along the through hole; an annular flange is arranged on the portion, in the variable-diameter sleeve, of the adjusting rod and used for supporting the clamping pieces, and the clamping pieces can be in contact with the moving contact. According to the circuit breaker overhauling contact, the adjusting rod moves back and forth in the variable-diameter sleeve, so that the annular flange supports the clamping pieces, and the contact between the clamping pieces and the movable contact is achieved; a test line during overhauling is prevented from being directly connected with a contact finger spring, damage to the contact finger spring is avoided, and the situation that contact between the moving contact and a static contact is poor in operation is avoided. The field operation efficiency is improved, the working quality is improved, and the standardization and normalization of the operation process are ensured.

Description

technical field [0001] The invention relates to the technical field of electric equipment detection, in particular to a circuit breaker maintenance contact. Background technique [0002] With the development of science and technology and the advancement of technology in the power equipment manufacturing industry, the overall requirements for power equipment are getting higher and higher. In order to meet safety requirements, electrical equipment needs to be tested frequently. [0003] When carrying out maintenance test to the circuit breaker of electric equipment at present, test line all is directly clipped on the contact finger spring. However, since the finger spring cannot be used as a conductive body, the finger spring is often damaged by the test current after long-term use, making it lose its elasticity, resulting in poor contact between the moving contact and the static contact during work, or even failure to connect, etc. problem occurs. Contents of the inventio...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a circuit breaker maintenance contact to solve the problem in the prior art that the contact spring loses elasticity due to the direct connection between the test line and the contact spring, so as to avoid the contact between the moving contact and the static contact during work. Poor contact, or even failure to connect, etc.

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