Water level monitoring device for water conservancy project and capable of preventing scale adhesion

The utility model discloses a water level monitoring device for preventing scale adhesion for hydraulic engineering, the upper end of the water level monitoring device is movably sleeved with a driven gear, the lower end face of the driven gear is welded with a supporting frame, and a high-frequency vibration device is fixedly arranged in the supporting frame in a sealed mode. A vibration transmission rod used for transmitting high-frequency vibration is arranged on the high-frequency vibration device, a cleaning brush used for cleaning the outer surface of the water level monitoring device is fixedly arranged at the other end of the vibration transmission rod, and a driving motor used for providing kinetic energy for rotation of a driven gear is fixedly arranged at the upper end of the mounting frame; the driving motor drives the supporting frame to rotate, the supporting frame drives the cleaning brush to clean the outer side of the water level monitoring device in real time, and meanwhile the high-frequenc