Low -floor rail vehicle chassis structure

The utility model relates to a low -floor rail vehicle chassis structure, cut with scissors the mount pad under and including the chassis, under cut with scissors the mount pad with the tip welding fixed connection of chassis. The utility model has the advantages that the whole structure is simple it is single reasonable, will cut with scissors down during the mount pad designs the tip chassis, utilize that the tip chassis is whole to be born, avoid producing peak value power, cut with scissors the mount pad atress under and when too big, can bear through whole tip chassis is whole, overcome and solitaryly cut with scissors the problem that the crackle appears in mount pad easily down, and then cut with scissors the effect of mount pad intensity and rigidity under having reached reinforcing hinge structure, and then effectively guaranteed the vehicle safe operation.