Municipal engineering construction protection device

The utility model belongs to the technical field of municipal engineering, and particularly relates to a municipal engineering construction protection device which comprises a box body, four mounting seats are fixedly arranged in the box body, the top surfaces of the four mounting seats are respectively and rotatably connected with a mounting column, and the top surfaces of the four mounting columns are respectively and fixedly provided with a mounting plate. According to the utility model, the mounting column is arranged, the mounting column is fixedly connected with the bottom surface of the mounting plate and is rotatably arranged on the top surface of the mounting seat, so that the mounting plate can rotate along with the mounting column through the rotation of the mounting column on the mounting seat, and the mounting column is inserted into the mounting seat, so that the mounting column can be pressed and contracted into the mounting seat; furthermore, the mounting plate can be stored in the box body th