CONTACT PRESSING TYPE VACCUM CIRCUIT BREAKER USING CAM DISK

摘要

The present invention relates to a vacuum circuit breaker, more particularly a spring mechanism for opening and closing of the contact, of the contact opening and closing operation mechanism for operating state and a non-pressure / pressure conditions of the spring mechanism, the rotational operation in one direction only to open and close the contacts of the operating mechanism, composed of a cam disc which is in contact with a power source for generating the driving force of the roller has technical features to doeeojim. ; Thus, the vacuum interrupter of the present invention is to isolate each input and the displacement of the open single direction rotation movement of the cam disk and part of a role to satisfy the requirements of the opening of the vacuum valve and the input part minimize the connections to reduce the power loss of the mechanical error and the last stage of operation, and further, it can adjust the restoring force of the contact compression spring and the opening spring by using the adjusting nut to adjust the pressure applied to the contact point, and the operating speed which produces the effect of.