Vacuum circuit breaker

The utility model belongs to an electric appliance, particularly a high voltage vacuum circuit breaker. The utility model comprises a transmission mechanism, a ratchet wheel detent mechanism, a fan-shaped cam mechanism, a four-bar linkage mechanism and an eccentric wheel spring mechanism. The ratche...

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Bibliographic Details
Main Author XU RONGLIN
Format Patent
LanguageEnglish
Published 21.06.1995
Edition5
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The utility model belongs to an electric appliance, particularly a high voltage vacuum circuit breaker. The utility model comprises a transmission mechanism, a ratchet wheel detent mechanism, a fan-shaped cam mechanism, a four-bar linkage mechanism and an eccentric wheel spring mechanism. The ratchet wheel, the fan-shaped cam and the eccentric wheel are arranged on the square shaft. The connecting plates of the inner of the four-bar linkage mechanism are connected to a transmission shaft. The utility model is characterized in that a labor saving mechanism is connected to the four-bar linkage mechanism and a limiting device is arranged on the square shaft. The utility model has the advantages of reliability, security, etc.
Bibliography:Application Number: CN1994242609U