Water conservancy and hydropower engineering anti-sinking floating body

The utility model discloses a water conservancy and hydropower engineering anti-sinking floating body which comprises a floating body, a water outlet is formed in the floating body, the water outlet penetrates through the side wall of the floating body, a buoyancy device is arranged on the side wall of the floating body, lock catches are fixedly connected to the two side walls of the floating body respectively, and two connecting grooves are formed in the upper side wall of the floating body. Telescopic devices are arranged in the two connecting grooves, a plurality of fixing grooves are formed in the upper side wall of the floating body, and a fixing device is arranged in each fixing groove. According to the anti-sinking floating body, the interception net is fixed in a telescopic buckle fixing mode, meanwhile, the buoyancy changing device is additionally arranged on the floating body to adjust the buoyancy, the problem that the interception net is difficult to mount and dismount when an existing anti-sinkin