The container straddle crane is a kind of special equipment, mainly used for lifting, transferring and loading the prefabricated concrete box girder in the concrete prefabricated beam field. It can also be used for the hoisting and moving of the box girder reinforcement skeleton and the inner mold of the prefabricated plant. The rubber-Tired crane can realize a variety of modes such as straight travel, diagonal travel, horizontal travel, in-situ rotation etc.