Post-cast strip supporting structure

The utility model discloses a post-cast strip supporting structure which comprises steel top blocks welded to the bottom faces of reinforcement cages of frame beams on the two sides of a post-cast strip respectively, each steel top block is connected with a supporting steel pipe, the bottom end of each supporting steel pipe abuts against the top face of a cushion block, and the bottom face of eachcushion block abuts against a floor. The cushion block is a steel cushion block, a plurality of through holes for the locking bolts to penetrate through are formed in the steel cushion block, a steelconnecting plate with a plurality of threaded holes is embedded in the floor, the top face of the steel connecting plate is flush with the surface of the floor, and the side face of the steel connecting plate is welded to a reinforcement cage of the bottom plate. The upper pipe is small, the lower pipe is large, and the inner threads and the outer threads are screwed to adjust the height of the supporting steel pipes and