Lifting device and X-ray photography equipment

The utility model discloses a lifting device and X-ray photography equipment, the lifting device comprises a sliding mechanism, a guiding mechanism and a driving mechanism, the sliding mechanism comprises a stand column and a sliding frame, the stand column is provided with a sliding groove, and the sliding frame is arranged in the sliding groove in a sliding mode; the guiding mechanism comprises a guiding unit, the guiding unit comprises a first bearing and a second bearing, the first bearing and the second bearing are both rotationally arranged on the sliding frame and abut against the side wall of the sliding groove, the first bearing is connected with a first eccentric shaft, the first eccentric shaft is rotationally arranged on the sliding frame, and the second bearing is connected with a second eccentric shaft. The distance between the first bearing and the sliding groove is adjusted. The driving mechanism is used for driving the sliding frame to slide along the sliding groove. By arranging the guide me