Dam flood-fighting maintenance device

The utility model relates to the technical field of dam maintenance, in particular to a dam flood-fighting maintenance device. Comprising a fixed bottom plate, a buffer plate, a driving assembly and a plurality of insertion columns; a plurality of inserting holes are formed in the fixed bottom plate and the buffer plate, the inserting column is of a hollow structure, a plurality of telescopic fixing assemblies are installed on the lower portion of an inner cavity of the inserting column, an upper partition plate, a movable sliding plate, a piston A and a lower partition plate are sequentially arranged on the upper portion of the inner cavity of the inserting column from top to bottom, and the space between the lower partition plate and the piston A is filled with hydraulic oil; the top end of the infusion tube penetrates through the lower partition plate, a fixing rod is connected between the piston A and the movable sliding plate, the upper partition plate is in threaded connection with a threaded rod, the t