Rack type extending and retracting side pusher

The invention relates to a rack type extending and retracting side pusher comprising a base frame. A follow-up frame and a follow-up drive assembly are installed on the base frame. The follow-up drive assembly drives the follow-up frame to move front and back on the base frame. The two sides of the follow-up frame are symmetrically provided with lifting vehicle-supporting device. The lifting vehicle-supporting device comprises stand columns, a sliding frame, a lifting drive assembly, an extension and retraction driving assembly and a vehicle supporting rack, wherein the sliding frame is installed on the stand columns in a sliding manner, the lifting drive assembly drives the sliding frame to move vertically, the vehicle supporting rack is installed on the sliding frame, and the extensionand retraction driving assembly drives the vehicle supporting rack to move front and back. The rack type extending and retracting side pusher can support skirts of all kinds of vehicles during transferring, and it is achieved