Surveying buoy

The utility model relates to the technical field of buoy detection equipment, and discloses a surveying buoy which structurally comprises a buoy platform, supporting rods are welded to the periphery of the upper end of the buoy platform, solar panels are fixedly installed on the outer sides of the supporting rods, a protective cover is movably installed at the upper ends of the supporting rods, and a rubber ring is bonded to the outer side wall of the protective cover. A sliding rod is welded to the upper end of the supporting rod, and a double-shaft servo motor is fixedly installed in the middle of the upper end of the buoy platform. Through the arrangement of the buoy platform, the solar panel, the double-shaft servo motor and the lead screw sleeve, during recycling, the protective cover can cover the outer side of the solar panel, so that the solar panel is protected, damage to the solar panel in the transferring process is reduced, the lead screw at the lower end can drive the scraping strip to rotate in