Assembly location device for vehicle body of rail vehicle

The invention relates to an assembly location device for a vehicle body of a rail vehicle. The assembly location device for the vehicle body of the rail vehicle comprises a vertical column assembly, and a bearing bottom plate installed at the upper end of the vertical column assembly, wherein the bearing bottom plate is used for being matched with a vehicle body underframe, the bearing bottom plate is connected with the vertical column assembly through an adjustment device, and the height and the angle of the bearing bottom plate relative to the vertical column assembly can be adjusted throughthe adjustment device; a location disc is installed at the upper end of the bearing bottom plate, and a circular through hole is formed in the center of the location disc, and matched with a centralpin hole of the vehicle body; and the location disc is provided with at least two installation positions on the bearing bottom plate, and the location disc can form location fit with central pin holesin different vehicle bodie