A train train model wind tunnel test

The present invention provides a wind tunnel test train model trains, comprising a body and a head-shaped section, wherein a surface of the body and head shape for the bonded section of a first positioning plate, and for the first type segment bonded surface of the vehicle body is provided with a second positioning plate and provided with a first positioning groove on the positioning plate and one of the second top panel, provided on the other with a positioning groove cooperating with the positioning boss. When installed, the head section and body type to achieve a predetermined position by fitting the positioning boss and a positioning recess, to improve the accuracy of positioning of the vehicle body mounting section of the first type, furthermore, a predetermined position by the positioning projections and positioning recesses may improve the efficiency of the vehicle body and the head mounting-type segment.