TEST BED TO STUDY PROCESSES OF INTERACTION OF WORKING TOOLS OF MACHINES WITH EARTH Russian patent published in 1994 - IPC

FIELD: testing equipment. SUBSTANCE: test bed to study processes of interaction of working tools of machines with earth has hydraulic cylinders of body anchored on brackets of strain measurement car of test bed and rods - on neck of plate 12 hinged to bell-crank 13 hinged on L-shaped clamp 16 provided with stopping screws 21, ball thrust bearings 18 and stopper 22. The other end of each bell-crank is fabricated in the form of symmetric eccentric 19 enveloping butt of L-shaped clamp 16. EFFECT: enhanced efficiency when modelling processes of cutting of frozen earth. 4 dwg