Moving main contact and moving contact assembly

The utility model relates to the technical field of gas-insulated metal-enclosed switches, in particular to a moving main contact and a moving contact assembly. The moving contact assembly comprises a moving main contact and a nozzle fixedly connected with the moving main contact, the moving main co...

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Bibliographic Details
Main Authors ZHANG KAI, SHI FENGTAO, LI JIANZHENG, LI WENCHUAN, SUN DANDAN, LUO CHANGLU, GAO ZHENKUI, SONG YUELONG, ZUO QI
Format Patent
LanguageChinese
English
Published 27.10.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The utility model relates to the technical field of gas-insulated metal-enclosed switches, in particular to a moving main contact and a moving contact assembly. The moving contact assembly comprises a moving main contact and a nozzle fixedly connected with the moving main contact, the moving main contact comprises a variable-diameter cylindrical main body composed of a large-diameter section and a small-diameter section, the variable-diameter cylindrical main body is of an aluminum structure, an annular mounting groove is formed in the variable-diameter section of the variable-diameter cylindrical main body, and the nozzle is fixedly connected with the nozzle. The axial length of the annular mounting groove is not less than the length of a just-open area and a just-close area of the moving main contact, an arc-resistant ring is fixedly mounted in the annular mounting groove, the outer peripheral surface of the arc-resistant ring is provided with an arc-shaped transition surface at the reducing part of the red
Bibliography:Application Number: CN202321017468U