LONGITUDINAL ELEMENT OF HEAVY TRUCK Russian patent published in 2020 - IPC B62D21/00 B62D33/67 

FIELD: transport machine building.

SUBSTANCE: longitudinal element of heavy vehicle construction contains front end with hinge element for connection of this longitudinal element with heavy vehicle frame and rear end with connecting element for split connection of longitudinal element with frame. Product of wall thickness of front part at yield point of material of front part is more than product of wall thickness of rear part at yield point of material of rear part. Structure of heavy truck comprises frame and cabin attached to frame by means of at least one said longitudinal element. Method of making said longitudinal element includes steps of: providing front and rear workpiece blank; connecting the workpiece of the front part with the workpiece of the rear part; the element is hot-formed.

EFFECT: higher level of protection of vehicle in case of impact.

25 cl, 4 dwg