Voice alarm device suitable for monitoring water level of water transfer project

The utility model belongs to the technical field of hydraulic engineering monitoring equipment, and particularly relates to a voice alarm device suitable for monitoring the water level of a water transfer project. Comprising a mounting base, a vertical sliding rod is arranged on the mounting base in a penetrating mode, the vertical sliding rod is slidably connected with the mounting base, an alarm mechanism is arranged at the top end of the mounting base and located on one side of the vertical sliding rod, a floating plate is fixedly connected to the bottom end of the vertical sliding rod, and a sleeve is fixedly connected to the bottom end of the mounting base; the sleeve covers the vertical sliding rod, a fixing flange is arranged at the bottom end of the sleeve, an anchor rod is fixedly connected to the bottom end of the fixing flange, a plurality of water inlet holes are formed in the side wall of the lower portion of the sleeve, and an air outlet is formed in the side wall of the top of the sleeve. The s