Electric motor car chassis assembly tray and chassis system of attaching together

The utility model relates to an electric motor car chassis assembly tray and chassis system of attaching together, electric motor car chassis assembly tray includes: tray body and supporting pin and the locating pin of setting on tray body, the locating pin includes: a first main locating pin and complex assistance -localization real -time round pin with it for connecting tray and automobile bodyfor sell with the 2nd assistance -localization real -time of complex with it at front axle body or back bridge body's second owner locating pin the location, first main locating pin and assistance -localization real -time round pin are adjustable structure, including the shank, and with the shank is connected and can be driven the adjustment mechanism that the shank moved along the direction of height, adjustment mechanism can drive the shank moves between the primary importance and the second place along the direction of height. The accurate positioning has been realized to the tray, improvethe chassis and attached t