The utility model discloses a prefabricated beam board quick detachable formwork supporting device relates to prefabricated beam board quick detachable formwork technical field, including stable mechanism, the stable mechanism is provided with two, two the stable mechanism includes stable board, push board, through groove and sliding
assembly, the through groove is set up in the support seat left and right sides, push board outer surface sliding connection in through groove inner wall, the stable board opposite side fixed connection in push board opposite end, sliding
assembly sets up in push board opposite end. The utility model discloses a stable mechanism is set up, has solved to the support of different prefabricated beam, needs to replan the plane
layout of support column, repetitive handling, positioning and adjustment work, not only has greatly increased the preparation time before construction, and reduced the construction efficiency problem.