Stone dry hanging device for building outer wall

The utility model relates to a stone dry hanging device for a building outer wall, and belongs to the technical field of building outer walls, the stone dry hanging device comprises a wall body, a supporting plate vertically mounted on the wall body, a mounting plate vertically mounted on the supporting plate, a stone plate mounted on the wall body, a supporting assembly arranged on the mounting plate, and an adjusting assembly arranged on the wall body; the adjusting assembly comprises a rotating shaft horizontally installed on the wall, a driving gear installed on the rotating shaft, a driving toothed belt installed on the installing plate in a sliding mode and meshed with the driving gear, a sliding ring installed on the installing plate in a sliding mode and connected with the driving toothed belt, and a locking hook installed on the side, away from the driving toothed belt, of the sliding ring. The locking ring is mounted on the side, close to the mounting plate, of the stone plate and matched with the l