HEAD VEHICLE MINIATURE CONSTRUCTION METHOD BASED ON FORCE AND RIGIDITY EQUIVALENCE AND HEAD VEHICLE MINIATURE

摘要

Disclosed by the present invention are a train head vehicle miniature construction method based on force and rigidity equivalence and a head vehicle miniature, the method comprising the following steps: S1: acquiring similarity factors of various dynamics parameters of a head vehicle miniature with respect to a full-size train; S2: dividing a full-size train head vehicle into a deformation energy absorption zone and a non-deformation zone according to a deformation energy absorption feature; S3: constructing a deformation energy absorption zone and a non-deformation zone of the head vehicle miniature according to the similarity factors, obtaining a deformation energy absorption feature curve of the train head vehicle miniature by means of conversion according to a deformation energy absorption feature curve of the full-size train head vehicle, then designing the sizes of a bumper, a crushable tube, a main energy absorption device and a cabin in the deforming energy absorption zone of the head vehicle miniature on the basis of the deformation energy absorption feature curve of the head vehicle miniature and a size similarity factor; and designing the non-deformation zone of the head vehicle miniature according to the size similarity factor and a rigidity similarity factor. The constructed head vehicle miniature described by the present invention may guarantee the similarity between the impact force of a train and the rigidity of a vehicle body so as to precisely restore the process of a collision of a train and have higher reliability.