Low-floor railway vehicle chassis structure

The invention relates to a low-floor railway vehicle chassis structure which comprises a chassis and a lower hinge mounting seat. The lower hinge mounting seat is fixedly welded to one end of the chassis. The whole low-floor railway vehicle chassis structure is simple and reasonable, the lower hinge mounting seat is designed to be located in one end of the chassis, the end of the chassis is used for overall bearing, and peak force is avoided. When the lower hinge mounting seat is stressed too much, overall bearing of the whole end of the chassis can solve the problem that an independent lower hinge mounting seat is prone to cracking, the effect of improving the strength and rigidity of the lower hinge mounting seat of the hinging structure is achieved, and safe operation of a vehicle is effectively guaranteed.