Rapid hanging mechanism of tractor hydraulic lift hitch

The utility model relates to a fast hanging mechanism for a tractor hydraulic hanging device. Lifting plates arranged at both sides of a hanging shaft are articulated to the rear parts of two hook plates, the front parts of the hook plates are articulated on hook junction plates, and a plug pin arranged on each hook junction plate corresponds to a pin hole of a hook. Furthermore, an upper pull rod component comprises a connecting plate, a guide sleeve barrel and a sleeve pipe, wherein a pull rod positioned on the hanging shaft is arranged in the guide sleeve barrel positioned on the rear part of the connecting plate, and the sleeve pipe is vertically arranged and welded at the front part of the guide sleeve barrel. In addition, a pull pin of a pin lock component is fixed with a lower stop ring, a pull pin sleeved with a spring is arranged in the sleeve pipe, a fixing pipe is fixed to the top part of the sleeve pipe, both ends of the spring respectively butt against the lower stop ring and the fixing plate, a