Double -deck boxcar is used to railway

The utility model discloses a double -deck boxcar is used to railway, including the double -deck railway carriage or compartment body and two telescopic chassis, double -deck railway carriage or compartment sinistron, the middle part of right side inner wall, the bottom respectively is provided with a trajectories, two trajectories that are located double -deck railway carriage or compartment body middle part constitute a set of one of them telescopic chassis that is used for installing, two trajectories that are located double -deck railway carriage or compartment body bottom constitute a set of telescopic chassis of another one that is used for installing, two telescopic chassis homoenergetics slide around each self -corresponding trajectories, both ends are provided with stop device respectively and carry on spacingly to two extreme position of telescopic chassis around the trajectories of every group, into double -deck carriage can be retrieved to telescopic chassis, also can stretch out the inside of ano