Design Of Special Purpose Vehicle Carriages For Railway Automobile Transportation Under The Integrated Mode Of Passengers And Automobiles

Special vehicles are referred to as railway vehicles dedicated to car railway transportation.In recent years,in the strong support from national policy,the car industry has developed rapidly,and has driven its transport market to advance constantly.The car railway transportation is widely favored by the public because of its technological and economic advantages.Meanwhile,along with times developing quickly,the number of passengers travelling with cars is steadily improving,which requires higher services.Therefore,the integrated railway transportation mode of passengers and cars is designed by forefathers to realize the synchronization of passengers and their cars,and to meet the individual needs of railway passengers.Under the new railway transportation mode,new loading and transportation requirements have been proposed for the special vehicles for car railway transportation.On this basis,special vehicle carriages for car railway transportation are designed and analyzed in this thesis.Through summarizing the domestic and foreign situation of special vehicles for car railway transportation,the design requirements for special vehicle carriages are proposed under the integrated mode of passengers and cars.Such relevant parameters of the car body as length,width and height are selected,the general layout of lateral loads of special vehicle carriages is determined,and the rationality of the vehicle size design is verified by calculating the curve passing capacity of the vehicle.With the help of the calculation of the bending strength and rigidity of the vehicle loading beam,the structural parts of the carriage are designed,such as the upper and the lower underframes,the internal partition,the roof and the main structure inside the two end walls.In the later period,a 3D modeling is developed according to SOLIDWORKS;a load is applied;static strength analysis and modal analysis are put up with ANSYS after the material properties are endowed,and the rationality of the steel structure of the car body is obtained to ensure the smooth operation of the vehicle.Finally,combined with the requirements for the side doors of the vehicle,the side doors of the special carriage and its control system are carried out,and the external color coating scheme of the special carriage is determined through analysis of the relevant factors such as the text mark,the coating color and the anti-corrosion coating of the existing special carriages,and through theoretical elaboration of the combinations of the coating colors.Through the research and analysis,it is concluded that under the integrated mode of passengers and cars,the box format of lateral loads of the special carriages for car railway transportation is suitable for the loading requirements of users;relevant parameters of the car body are rational;the steel structure of the body can meet the requirements of strength and stiffness of railway vehicles;side doors of the carriage can function properly through use ofthe control system with a certain degree of feasibility.