VEHICLE FRAME UNIT FATIGUE TESTER Russian patent published in 1997 - IPC

FIELD: mechanical engineering; testing facilities. SUBSTANCE: section of sidemember of unit to be tested is secured by clamps in two points on base, and load is applied to end of crossmember section through active grip. Load is conveyed from force exciter through bearing unit and lever secured on active grip on which bearing unit is installed. Line of action of force exciter is arranged at tilting to axis of crossmember section in vertical plane parallel to this axis. Device provides torsional and bending loading of crossmember in vertical plane and bending loading of sidemember in vertical and horizontal planes and torsional loading. EFFECT: improved reliability of testing. 2 dwg