Tool capable of quickly disassembling closing spring of circuit breaker

Abstract

The invention provides a tool capable of quickly disassembling a closing spring of a circuit breaker and relates to the field of mounting and debugging of a circuit breaker in a medium-voltage power distribution system, in particular to a tool capable of disassembling a closing spring of a circuit breaker VS1. The tool comprises a tool bit, a long lever and a short lever, wherein an inclined plane tool edge is arranged at the front end of the tool bit; the long lever and the short lever are respectively arranged on the two sides of the tool bit; the long lever is longer than the short lever; the front end of the long lever is welded at the rear end of the tool bit; the front end of the short lever is hinged to a connecting seat through a pin shaft; the connecting seat is fixedly connected with the rear end of the tool bit; a bayonet is formed in the rear end of the short lever. According to the tool, the disassembly of the closing spring of the circuit breaker VS1 is simpler and more convenient. Compared with an existing tool, the tool has the benefits that the tool is more reliable and simpler, the processing cost is reduced, and one tool can be provided for each out after-sales person, so that the maintenance of a spring operation mechanism is more convenient and simpler.

Description

technical field [0001] The invention relates to the field of installation and debugging of a circuit breaker in a medium-voltage power distribution system, in particular to a tool for disassembling a closing spring of a VS1 circuit breaker. Background technique [0002] At present, the operating mechanisms of 10kV medium voltage circuit breakers are mainly divided into: 1. Spring operating mechanism (CT); 2. Permanent magnet operating mechanism (DT). Among them, the spring operating mechanism is dominant, and the spring mechanism of VS1 type is mostly. The closing spring is the core of the spring mechanism. The maximum spring force of the closing spring has reached 1600N. It is very important to disassemble the closing spring of the VS1 circuit breaker conveniently and quickly during assembly and debugging. Existing tooling for removing the closing spring of the VS1 circuit breaker (such as figure 1 shown) has several problems: [0003] 1. The existing mechanism for remov...

AI Technical Summary

Problems solved by technology

[0003] 1. The existing mechanism for removing the closing spring of the VS1 circuit breaker is too complicated, and the connecting rod mechanism has reached more than 12 parts;

[0004] 2. The processing of some of the parts is too complicated, and the external shape must be processed by wire cutting, and the bevel milling by the machining center should also be used;

[0005] 3. Because the mechanism of this kind of tooling uses too many four-linkage principles, the reliability and safety of disassembling the closing spring of the VS1 circuit breaker are reduced;

[0006] 4. Due to the complex processing of parts and too many linkages, the cost of the entire tooling is too high

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