River drought early warning instrument

The utility model discloses a river drought early warning instrument which comprises an instrument body, and a weighting block is fixedly welded to the lower end of the instrument body. The upper end of the instrument main body is fixedly connected with a top plate; the left side of the instrument body is slidably connected with an extension rod, the extension rod is of a T-shaped structure, and one end of the extension rod is fixedly connected with a buoy. According to the river drought early warning instrument, through the buoy and the pull rope, the river ecological environment can be monitored, the situation that the river ecological environment is affected by the too low river water level is prevented, timely reminding can be achieved, the phenomenon of reminding after drought is avoided, and the practical effect is good; and through the arrangement of the packing auger, the instrument main body cannot collapse, the stability of the instrument main body is improved, and the practical effect is good. 本实用新