FIELD: machine building.
SUBSTANCE: group of inventions relates to the field of transport machine building. Structure of lower part of vehicle includes floor panel, at least one longitudinal beam passing under floor panel, and at least one transverse beam passing above floor panel. Transverse beam comprises a transverse central end directed towards the central area of the floor panel and a transverse side end located on one side of the floor panel. Resistance of plastic deformation of central section is more than resistance of plastic deformation of end section. Intermediate part of transverse beam passes vertically relative to longitudinal beam so that end section of transverse beam passes across between longitudinal beam and one of lateral sides of floor panel. Vehicle body comprises said lower part of vehicle.
EFFECT: reduced deformation of vehicle lower part.
11 cl, 2 dwg
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