The conveying belt lifting and swinging mechanism comprises a bottom plate, anti-skid devices, a positioner, an anti-falling device and a cleaner, the bottom of the bottom plate is provided with a plurality of sets of anti-skid devices, the bottoms of the anti-skid devices are provided with supports, the outer wall of a rotating rod is provided with a pressing block, and the inner wall of each anti-skid device is provided with a motor. And two groups of positioners are mounted at the top of the bottom plate. A protector is installed to prevent the equipment from accidentally sliding during working, firstly, after the equipment is moved to a preset position through universal wheels, the output end of a motor rotates to drive a rotating rod to rotate, the rotating rod rotates to drive a pressure applying block to move, and after the pressure applying block moves to a certain position, a first connecting plate is pushed to move; the first connecting plate moves to drive the first positioning plate to move, the bottom of the first positioning plate makes contact with the ground to limit the position of the bottom plate, the equipment can be prevented from sliding accidentally, and the purpose of preventing the equipment from sliding is achieved.