Connecting piece for wing-room and foundation

The utility model relates to a wing-room and foundation connecting piece, which belongs to the technical field of building construction and comprises a plurality of supporting pieces, the supporting pieces are detachably connected through connecting rods, each supporting piece comprises a supporting cylinder and a sleeving cylinder which are detachably connected in a sleeving mode, a limiting plate is fixed at the top end of each supporting cylinder, and a plurality of limiting notches are formed in the outer side of each limiting plate in the circumferential direction. A U-shaped limiting frame with the inner end closed is fixed to the bottom end of each limiting notch, and the width of each U-shaped limiting frame is matched with the width of the corresponding limiting notch. And a supporting plate is slidably arranged outside the sleeving cylinder in a sleeving mode, the supporting plate is detachably connected with the limiting plate through a connecting assembly, and the bottom end of the sleeving cylind