OVERFLOW PREVENTION DEVICE USING THE BUOYANCY

摘要

According to the present invention, an overflow prevention device using buoyancy has an overflow prevention plate which vertically moves to prevent an overflow using water introduced in accordance to a water level of a river or a dam in order to efficiently prevent an overflow. An air bag is organically connected to the device, and the present invention is capable of performing a motion through an organic movement of air in accordance to the motion of the air bag. As such, the present invention is capable of preventing overflow without an additional power and an additional operation of a worker.