Self-floating power generating device mounted in sluice hole of sluice

The utility model discloses a self-floating power generating device mounted in a sluice hole of a sluice. The self-floating power generating device comprises a sluice pier and a power generating floating body, wherein the power generating floating body is movably connected with the sluice pier through a plurality of connecting rod piece groups, and comprises a water inlet, a water outlet, a water inlet flow channel section, a water outlet flow channel section and a hydraulic turbine section; a power generator set is arranged in the water inlet flow channel section; a hydraulic turbine is arranged in the hydraulic turbine section; the power generator set is connected with the hydraulic turbine in a transfer manner; a water blocking sluice gate is connected onto the gate pier, and is connected with the water inlet in a sealed manner through a seamless water stopping device; and a damping device is assembled on the power generating floating body. Through adopting the manner, the self-floating power generating de