Overwater photovoltaic support

The utility model provides an overwater photovoltaic support, which relates to the technical field of photovoltaic supports, and comprises a bottom frame, two groups of floating barrels are symmetrically and detachably connected in the bottom frame, one side of the top of the bottom frame is fixedly connected with a rotating frame, the top of the rotating frame is rotatably connected with a fixed frame, and the other side of the top of the bottom frame is connected with an adjusting mechanism. A photovoltaic panel containing groove is formed in the top of the fixing frame, sliding grooves which communicate with one another are formed in the four corners of the photovoltaic panel containing groove correspondingly, matched L-shaped limiting blocks are slidably connected to the interiors of the sliding grooves correspondingly, ratchet bars are symmetrically and fixedly connected to the inner walls of the sliding grooves, and the ratchet bars are fixedly connected to the inner walls of the sliding grooves corresp