Lifting system of medical X-ray photography system detection device

The utility model discloses a lifting system of a medical X-ray photography system detection device. Including a plurality of sleeves, the sizes of the periphery of each sleeve are different; the small sleeve is inserted into the large sleeve to form a multi-section telescopic device; a guide sliding mechanism is arranged between the two sleeves which are matched with each other; the sleeve positioned at the uppermost part of the telescopic device is fixedly mounted; fixed pulleys are arranged at the top of the base, a movable pulley is arranged at the bottom of the lowermost sleeve; a pull rope winding mechanism is arranged beside the fixed pulley; a pull rope in the pull rope winding device bypasses the fixed pulley, then downwards reaches the movable pulley and bypasses the movable pulley; then returning to be upwards fixed in the uppermost fixed sleeve; the guide sliding mechanism comprises a guide sliding sleeve, a guide column and a guide pulley, the guide column is erected upwards at the bottom of the