Precise positioning support capable of adjusting distance between reinforcing steel bars of frame column

The utility model discloses an adjustable frame column steel bar spacing accurate positioning support which comprises a half frame, the half frame is of an integrated L-shaped flat steel structure, the device is formed by splicing two sets of half frames into a square frame, the half frame is composed of a longitudinal frame plate and a transverse frame plate, and the longitudinal frame plate is perpendicular to one end of the transverse frame plate and fixedly welded to one end of the transverse frame plate. Sliding grooves are formed in the longitudinal frame plates and the transverse frame plates on the horizontal plane of the body, a dial gauge is arranged on one side of each sliding groove, a sleeving groove hole is formed in the longitudinal face of one end of each longitudinal frame plate, and when the two sets of half frames are combined to form the support, one end of the transverse frame plate in one set of half frames is inserted into the sleeving groove hole of the longitudinal frame plate in the