Human body bearing device convenient to adjust and used for radiology department examination

The convenient-to-adjust human body bearing device for radiology department examination comprises a bottom box, the inner wall of the bottom box is fixedly connected with an end cover, the upper surface of the bottom box is fixedly connected with a fixing seat, the upper surface of the fixing seat is fixedly connected with a flat lying assembly, and the side face of the flat lying assembly is fixedly connected with a protection assembly. A rack moves upwards to drive a pawl to rotate, then a ratchet wheel is driven to rotate, then a rotating shaft is driven to rotate, a driving belt wheel is driven to rotate through the rotating shaft, then a driven belt wheel is driven to rotate under cooperation of a transmission belt, then a connecting shaft is driven to rotate, and then a variable gear is driven to rotate; and then a driven gear is driven to rotate, so that a driving shaft and a driven shaft rotate reversely, two driving rollers are driven to rotate reversely, a protective layer is driven to move, the pro