Water level alarm device for hydraulic engineering construction

The invention discloses a water level alarm device for hydraulic engineering construction. The device comprises a supporting mechanism and a lifting mechanism, the lifting mechanism is movably mountedin the outer side of the supporting mechanism; the supporting mechanism comprises a base, a supporting rod and an alarm lamp. The alarm lamp is mounted at the top of the supporting rod; a base is mounted at the bottom of the supporting rod; the lifting mechanism comprises a floating ball type water level sensor and annular seats, the two annular seats are symmetrically mounted and connected, thefloating ball type water level sensor is mounted in the outer side of one annular seat, a plurality of mounting rods are vertically mounted in the inner sides of the two annular seats at equal intervals, and mounting seats are mounted in the inner sides of the bottom ends of the mounting rods; water level measurement and early warning are completed through the supporting mechanism and the liftingmechanism, meanwhile, the s