Safety interlocking device and method based on quick-opening blind plate

The invention belongs to the technical field of quick-opening blind plates, and particularly relates to a safety interlocking device and method based on a quick-opening blind plate. Comprising a high-pressure container, a linkage lantern ring is installed on the high-pressure container, the linkage lantern ring is connected with a locking cover plate in a matched mode, and the locking cover plate and the linkage lantern ring are connected through a rotation direction calibration unit; a plurality of linkage gear rings are arranged on the outer side wall of the locking movable cover plate, the linkage gear rings are connected with linkage gears in a matched mode, and a movable sealing assembly is arranged on the linkage gears; the rotation direction calibration unit comprises a rotation direction cylinder arranged on the locking cover plate, a rotation direction different plate is rotationally arranged on the rotation direction cylinder, a rotation direction square seat is rotationally mounted on the rotation