Device for water is lifted to buoyancy

The utility model provides a device for water is lifted to buoyancy, includes header tank, buoyancy board and supports the track pole, and its characterized in that goes up the buoyancy board and overlaps on supporting the track pole with the end angle of lower buoyancy board, goes up the buoyancy board and connects into flexible container through the bag bag between the buoyancy board down, and trachea one end is fixed and is communicated with each other in last buoyancy board and with flexible container, upward is equipped with between buoyancy board and the lower buoyancy board and supports slide bar and hydraulic cylinder, supports the one end of slide bar and fixes with last buoyancy board or lower buoyancy board, and other end setting is in the spout of another buoyancy board, the header tank passes through link and last buoyancy board fixed connection, and open the header tank bottom has the water inlet, installs the valve on the water inlet. The utility model discloses a device for water is lifted to buoyancy through last buoyancy board, the shrink and the expansion of buoyancy board down, utilizes buoyancy with water lifting a to high position, realizes the promotion of water level, and it has novel structure, the contamination free characteristics of environmental protection, and the water that promotes can be used for irrigating or hydroelectric power generation.