Device for preventing axial movement of bridge pier reinforcement cage frame

The device is arranged at one end of a bar winding machine and comprises a rotating support, a longitudinal supporting rod and a transverse supporting rod, the outer end of the longitudinal supporting rod is rotationally connected to the middle of the rotating support, the transverse supporting rod is vertically and fixedly connected to the inner end of the longitudinal supporting rod, a sleeve is vertically arranged at the outer end of the transverse supporting rod, and the outer end of the sleeve is fixedly connected with the rotating support. A through hole is formed in the outer side face of the sleeve, a nut is coaxially and fixedly connected to the through hole, and a set screw is installed between the nut and the through hole. The sleeves at the two ends of the transverse supporting rod are used for being symmetrically sleeved on two main reinforcements in the middle of the reinforcement cage, the sleeves and the main reinforcements are locked through the set screws, and the transverse supporting rod a