Reliable stable high-voltage isolation switch

Abstract

The invention discloses a reliable stable high-voltage isolating switch. The reliable stable high-voltage isolating switch comprises a mounting base provided with a mounting part, wherein two operation moving openings are formed in the mounting base, moving seats are arranged in the operation moving openings, a plurality of insulating stand columns are arranged on the moving seats, wiring end blocks are connected to the tops of the insulating stand columns and are connected with guide columns through assembly parts, the guide columns are connected with contact columns through offset assemblies, the two oppositely-arranged contact columns are connected through a butt joint piece, connecting rings are arranged on the outer side walls of the guide columns, and the connecting rings are connected with isolation plates through joint control assemblies. When the isolating switch is closed and after an inner contact cylinder and an outer contact cylinder are closed, the connecting rings arranged on the contact columns are connected with linkage rods to drive the isolation plates to move downwards continuously through continuous control over rotation of a shaft, so limiting covers arranged on the isolation plates move downwards, the contact part of the inner contact cylinder and the outer contact cylinder is automatically locked by using the limiting covers, and disconnection is avoided.

Description

technical field [0001] The invention relates to the technical field of isolating switches, in particular to a reliable and stable high-voltage isolating switch. Background technique [0002] The isolating switch is a switching device that is mainly used to "isolate power supply, switch operation, connect and cut off small current circuits", and has no arc extinguishing function; when the isolating switch is in the sub-position, there is insulation between the contacts that meets the specified requirements Distance and obvious disconnection signs; when in the closed position, it can carry the current under normal circuit conditions and the current under abnormal conditions within a specified time; In the case of load current, the circuit is opened and closed. [0003] When the isolating switch is turned on, when the moving contacts are in contact with each other, for safety reasons, the two moving contacts need to be locked by the locking piece so that it will not be bounced...

AI Technical Summary

Problems solved by technology

[0003] When the isolating switch is turned on, when the moving contacts are in contact with each other, for safety reasons, the two moving contacts need to be locked by the locking piece so that it will not be bounced off by external force. The existing locking piece needs to be manually locked. When the circuit workers do not operate according to the steps, it is very easy to cause injury to the workers, and when the isolating switch is disconnected, when the distance between the moving contacts is too close or the voltage is too large, it will cause contact between the contacts. The phenomenon of arc breakdown in between will cause harm to electrical appliances and circuit workers. For this reason, a stable high-voltage isolating switch is proposed.

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