Three-dimensional lifting device of parking lot

The utility model relates to the technical field of three-dimensional lifting parking lots, in particular to a three-dimensional lifting device of a parking lot, which comprises a main frame and a protection device, a placing block is fixedly connected to the inner wall of the main frame, a placing plate is slidably connected to the inner wall of the placing block, and a cable is fixedly connected to the upper surface of the placing plate. The end, away from the placing plate, of the cable is fixedly connected with the inner wall of the main frame, the protection device is arranged on the inner wall of the main frame and comprises a protection rod and a protector, the protection rod is slidably connected with the inner wall of the placing block, the protector is arranged on the surface of the main frame, and a sliding block is fixedly connected to the side face of the protector. The surface of the main frame is fixedly connected with a connecting block. According to the utility model, through the arrangement