ISOLATION DEVICE FOR VOLTAGE TRANSFORMER CABINET AND VOLTAGE TRANSFORMER CABINET

The present disclosure discloses an isolation device for a voltage transformer cabinet, the isolation device is installed in an inflation chamber of the voltage transformer cabinet and configured to switch a voltage transformer between an on state and a grounded state, and includes: a drive shaft, rotatably installed to the inflation chamber; a conductive ring, sleeved and fixed to the drive shaft; a movable guide rod, fixed to the drive shaft and the conductive ring to swing along with a rotation of the drive shaft and electrically connected with the conductive ring; a fixing post, fixedly connected to the voltage transformer; a contact, installed to the fixing post through a compression spring and electrically connected with the fixing post, and keeping in electrical contact with the conductive ring under an action of the compression spring; a closing stationary contact, fixed to a closing bushing; and a grounded stationary contact, fixed to a grounding circuit, the rotation of the drive shaft drives the movable guide rod to swing between an on position and a grounded position, the movable guide rod contacts and conducts with the closing stationary contact in the on position, and the movable guide rod contacts and conducts with the grounded stationary contact in the grounded position.