HIGH VOLTAGE BREAKER-DISCONNECTOR Russian patent published in 2013 - IPC H01H31/00 

FIELD: electricity.

SUBSTANCE: high voltage breaker-disconnector comprises at least one pole (1) with a drive (2), a grounding mechanism with grounding knives (4) and a drive (5), a system of pole traction rods (3) and a blocking device (6). The blocking device is installed in a separate body and comprises a lever (8) installed on a shaft and connected with a system of pole traction rods. Besides, the blocking device is equipped with an additional shaft (15) with a slot (16), the lever is made as double-arm with an arch-shaped edge (10). One arm of the lever is connected with the system of pole traction rods, and the additional shaft is connected with the drive of the grounding mechanism. The arch-shaped edge of the lever kinematically interacts with the slot of the additional shaft. In case of connected position of the grounding mechanism the double-arm lever rests against the additional shaft of the blocking device.

EFFECT: provision of remote blocking of a breaker-disconnector in a disconnected position without a separate driving mechanism.

2 cl, 5 dwg