Telescopic hollow pier inner mold working platform

The utility model discloses a telescopic hollow pier internal mold working platform which comprises a steel pipe frame, a panel and an adjusting assembly. The panel is closely connected with the upper surface of the steel pipe frame; a plurality of through holes are evenly formed in the steel pipe frame in the left-right direction and penetrate through the steel pipe frame in the front-back direction. The adjusting assembly comprises an operating rod and a movable rod in sliding fit with the through hole. The two ends of the movable rod penetrate through the through holes, and one end of the movable rod is provided with a downwards-protruding hook-shaped block. The hook-shaped blocks of the adjacent movable rods are arranged in opposite directions; the lower end of the operating rod is connected with the movable rod, the hook-shaped block is driven by the operating rod to horizontally extend out of the panel, the hook-shaped block is clamped on a back rib of a hollow pier inner formwork, the inner formwork op