Water conservancy flashboard lifting device

The utility model relates to the field of water conservancy flashboard lifting, in particular to a water conservancy flashboard lifting device, which adopts the technical scheme that the water conservancy flashboard lifting device comprises a fixed part and a flashboard, the flashboard is mounted in the fixed part, a lifting group is mounted at the upper end of the fixed part, a hollow rectangle is mounted at the lower end of the front surface of the fixed part, and trash barriers are mounted in the middle of the rectangle at intervals. The lifting group is arranged at the upper end of the gate plate, the lifting group is arranged at the lower end of the gate plate, a cleaning group is arranged at the outer end of the trash rack, an auxiliary group is arranged on one side, far away from the cleaning group, of the trash rack, and the auxiliary group is located between the trash rack and the gate plate. The driving line drives the driven line to rotate through the transmission leather, the driven line drives th