Hoist for water conservancy facility

The utility model discloses a hoist for water conservancy facilities in the technical field of water conservancy facilities and equipment, which comprises a shell, a support frame fixed at the bottom end of the shell, a screw rod slidably penetrating through the central position of the shell, a support seat fixed at the center of the bottom wall of an inner cavity of the shell, a worm wheel rotatably mounted at the top end of the support seat, and a nut fixed at the central position of the worm wheel. A mounting plate is fixed to the right wall of the shell, a servo motor is fixed to the top end of the mounting plate, a power shaft of the servo motor is connected with the right end of the first worm, the left end of the second worm penetrates through the left wall of the shell through a bearing to be fixedly provided with a manual assembly, and an anti-rust assembly is fixed to the bottom wall of the shell. When the manual assembly does not need to be used, the hand wheel and the connecting block can be taken