Gate lifting machine of water conservancy system

The utility model discloses a water conservancy system gate lifting machine which comprises a water gate body, a gate lifting screw rod installed on the water gate body and a gate assembly installed at the bottom end of the gate lifting screw rod, a socket column is movably installed at the position, on one side of the gate lifting screw rod, of the top end of the water gate body, and a transmission mechanism is installed between the socket column and the gate lifting screw rod. A supporting table is installed at the top end of the water gate body on the side, away from the socket column of the gate lifting screw rod, of the water gate body, a movable shell is installed at the top end of the supporting table through a clamping mechanism, a storage battery assembly is detachably installed in the movable shell, and a speed adjusting motor is installed on the surface of one side of the movable shell through a movable limiting mechanism; the output end of the speed adjusting motor is provided with a motion contro