Standing type CT medical image system and control method

The invention discloses a standing type CT medical image system and a control method. The standing type CT medical image system comprises a supporting device, and the supporting device comprises a frame, a pulley and a lifting driving mechanism; the tackle is slidably arranged on the frame, and the lifting driving mechanism is fixedly connected with the tackle; the scanner comprises a first supporting beam, a fixing frame, a rotating tray, a rotating driving mechanism and a scanning module; the fixing frame is fixedly arranged on the first supporting beam, the rotating tray is rotationally connected with the fixing frame through a bearing, and the rotating driving mechanism and the scanning module are arranged on the rotating tray; connecting parts are arranged at the two ends of the tackle, and the first supporting beam is fixedly connected with the connecting parts; the counterweight mechanism is arranged on the frame, the counterweight mechanism comprises a counterweight part and a suspension part, the fir