Lifting appliance

The lifting appliance comprises a framework, the first clamping unit is mounted on the framework; the second clamping unit is mounted on the framework; the rear plate lower bracket can be mounted at the rear part of the framework in an up-down sliding manner; the control assembly is connected with the first clamping unit, the second clamping unit and the rear plate lower bracket, and the rear plate lower bracket slides downwards or downwards. The first clamping unit and the second clamping unit are installed on the framework at the same time, the first clamping unit presses the upper portion of the first vehicle type part corresponding to the first vehicle type part, and the second clamping unit presses the upper portion of the second vehicle type part corresponding to the second vehicle type part. The lower portion of the first vehicle type part or the lower portion of the second vehicle type part is dragged through the rear plate lower bracket installed on the rear portion of the framework, the first vehicl