Dam safety protection device

The utility model discloses a dam safety protection device, and relates to the technical field of dam safety protection, the dam safety protection device comprises a dam main body, the upper end of the dam main body is provided with a groove, the groove is internally provided with a floating plate, the lower end of the floating plate is fixedly provided with a sliding rod, and the outer side of the sliding rod is in sliding connection with the interior of the dam main body. According to the utility model, through the arrangement of the floating plate and the floating cover, after the horizontal plane is higher than the dam main body, the floating plate and the floating cover move upwards under the action of buoyancy, part of the area of the floating plate is exposed on the water surface all the time, and when people washed away by flood flow to the upper part of the dam main body along with water flow, the floating cover can be pulled, so that the dam main body is protected; therefore, the situation that peop