Civil engineering foundation mold side jacking piece

The utility model provides a civil engineering base mold side jacking piece which comprises a base, a first sleeve is movably connected to the top of the base, a threaded rod is connected to the interior of the first sleeve in a threaded mode, a fixing base is fixed to the top of the threaded rod, a handle is arranged on the outer surface of the fixing base, and a movable connecting base is movably connected to the top of the fixing base. The utility model has the following beneficial effects: through the design of the positioning mechanism, when the height of the main supporting block is selected and adjusted through the threaded rod, the sliding disc can be pulled upwards to drive the positioning rod to rise to be separated from the positioning hole and the through hole, and the limitation between the fixed seat and the movable connecting seat is released, so that no matter how many circles the threaded rod rotates, the height of the main supporting block is adjusted. The movable connecting seat and the upp