The utility model relates to an indulge and move drive arrangement, belong to bridging construction equipment field, concretely relates to a rotatable gear type strip is indulged and is moved drive arrangement for putting up bridge crane. Hold in the palm the change speed gear system including one, be equipped with the rack on frame bridge crane's the horn, with hold in the palm be provided with on the hinge support assembly that the change speed gear system links to each other with rack matched with gear and be used for the drive indulging of gear moves drive assembly, furthermore, hinge support assembly's bottom central point puts and puts through well spindle connection with the central point of crossbeam, and the device passes through rack and pinion's meshing, produces sufficient brake force, makes the complete machine via hole safer, through set up antifriction board, center pin and left -hand thread board between support change speed gear system and crossbeam, the rotation between release upper portion system and cylinder retrains, restriction displacement constraint to the contained angle that horn yaw and cylinder produced when the ditty line was passed through in the adaptation.