Supporting structure for building storey adding

The utility model discloses a supporting structure for building storey adding, which relates to the technical field of building structures and comprises a supporting cylinder, a fixing table is arranged at the bottom of the supporting cylinder, an opening is arranged on the supporting cylinder, a jack is arranged on the inner bottom surface of the supporting cylinder, and the top of the jack is rotatably connected with a brake cylinder. A brake cylinder is arranged on the base, a lifting cylinder is in threaded connection with the brake cylinder, a supporting rod is in threaded connection with the interior of the lifting cylinder, a mounting table set is slidably connected to the opening, a brake mechanism is connected to the mounting table set, and the brake mechanism is movably connected with the brake cylinder. And the supporting structure can be adjusted through the jack, the supporting structure can be adjusted in the construction process, and therefore the emergency situation in the construction process