HIGH-VOLTAGE SWITCH-DISCONNECTOR Russian patent published in 2011 - IPC H01H31/04 

FIELD: electricity.

SUBSTANCE: high-voltage switch-disconnector comprises at least one pole, a mechanism for disconnection with a drive, a mechanism for grounding with a drive, a system of pole traction rods, a blocking device and a mechanism of disconnecting spring triggering, which is installed in a separate vessel and consists of a system of levers, traction rods and the disconnecting spring rigidly fixed on a shaft. The blocking device is equipped with an additional drive and a traction rod and comprises an additional shaft arranged in the vessel of the mechanism of disconnecting spring triggering. On the shaft there are levers, one of which interacts with a lever of disconnecting spring triggering mechanism, and the other one - with a traction rod of the blocking device.

EFFECT: provision of remote interlock in a system of pole traction rods, which does not require attendance of an operator near high-voltage equipment and increases personnel safety.

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