Supporting frame for cutting elevator manufacturing raw materials

A supporting frame for cutting elevator manufacturing raw materials comprises two fixing frames installed on a support, an adjusting frame is vertically installed on the fixing frames in a sliding mode, an installing rod is installed at the top end of the adjusting frame, and the installing rod is sleeved with a supporting cylinder in a rotating mode. The two ends of the mounting rod are rotationally sleeved with locking pieces. The locking piece is composed of a small cylinder with the diameter smaller than the inner diameter of the supporting cylinder and a large cylinder with the diameter larger than the inner diameter of the supporting cylinder, locking outer threads are arranged at the two ends of the mounting rod, locking inner threads are arranged on the inner wall of the locking piece in a matched mode, and when the locking piece is screwed down, the small cylinder clamps the inner wall of the supporting cylinder and the outer wall of the mounting rod. Locking pieces are installed at the two ends of t