SAFETY DIVICE FOR UPSET FLOOD GATE

摘要

Proposed is a safety device for a turning type floodgate, which safely repairs a turning type floodgate or a floodgate opening and closing device without draining water in a state where the floodgate is closed when the floodgate or the floodgate opening and closing device is being repaired or replaced; securely supports the floodgate to which water pressure is applied at ordinary times regardless of floodgate opening and closing device; and controls the amount of water by freely opening and closing the floodgate.