Water conservancy and hydropower engineering anti-sinking floating body

The utility model provides an anti-sinking floating body for water conservancy and hydropower engineering, and relates to the technical field of anti-sinking floating bodies, the anti-sinking floating body comprises shells, the shells are rotatably connected, a lantern ring is fixedly arranged on the surface of one of the shells, a fixing bolt is sleeved in the lantern ring, a threaded hole is formed in the surface of the other shell, and the threaded hole is connected with the lantern ring. The fixing bolts are meshed with the threaded holes, partition plates are fixedly installed in the shell, foam blocks are arranged between the partition plates in a sleeved mode, and a connecting structure is arranged on the outer side of the shell. According to the utility model, through the arrangement of the partition plates, a worker can separate the shells from each other and then place the foam blocks between the partition plates or take the foam blocks out of the partition plates, so that the buoyancy which can be