FIELD: machine building.
SUBSTANCE: group of inventions relates to the field of transport machine building. Structure of vehicle body base includes floor panel, at least one longitudinal beam passing under floor panel, and at least one lower sag bar passing in longitudinal direction adjacent to floor panel. Structure additionally contains at least one reinforcing element, which passes under the floor panel in the transverse direction and is fixed by one of the transverse ends to the longitudinal beam, and by the other one - to the lower sizing bar. Reinforcing element is made of steel hardened under press with tensile strength of not less than 1200 MPa. Reinforcing element comprises profiles passing in planes parallel and perpendicular to floor panel. Profiles connect lengthwise beam with lower lining bar. Vehicle body comprises said vehicle body base structure.
EFFECT: preventing deformation of the vehicle body in the transverse direction.
13 cl, 8 dwg
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