FIELD: transportation.
SUBSTANCE: invention relates to a torsion profile for an axis with a torsion beam of a vehicle. Vehicle comprises an axle with a torsion beam comprising a torsion profile. Torsion bar comprises main body with first and second end parts and central part between first and second end parts. Length of the body extends along the longitudinal direction. Housing has open hollow cross-section. First and second end parts have continuously varying cross-section along longitudinal direction. In the cross section, the main body has two opposite branches connected together by means of a web. Bridge has the shape of a circular arc which is open in the direction of the branches. At least one of branches (3, 4) varies along length in longitudinal direction. At least one of the branches has a flange located on its free end. Flange is bent backwards to the corresponding branch.
EFFECT: higher rigidity at torsion at maintaining thickness of material and low weight.
7 cl, 2 dwg
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