WALKING GEAR Russian patent published in 1995 - IPC

FIELD: earth moving machinery. SUBSTANCE: walking gear has lifting hydraulic cylinders, auxiliary hydraulic cylinders, support shoes, support unit in form of hydraulic cylinder secured on swinging platform by means of brackets. Hydraulic cylinder rod is hinge-coupled with slider of support skid. The latter serves as third support of machine when machine is moving. Support skid is connected with slider by spring. Control system has pumping unit, spool control valve units, pilot controlled check valve and pipelines. EFFECT: reduced power consumption for movement, reduced metal usage in manufacture of walking gear. 2 cl, 6 dwg