SELF-PROPELLED CART FOR MULTITOWER SPRINKLING MACHINE Russian patent published in 1998 - IPC

FIELD: agricultural engineering, in particular, equipment used in walking propellers with large ground engaging area, narrow track and increased cross stability. SUBSTANCE: cart has bearing beam, power drive with electric engine, reducers 12 and intermediate shafts, walking supports arranged in pairs on ends of bearing beam and L-shaped poles 15 for attachment of pipeline 2. Walking supports are formed as pivotal four-links and provided with shoes 6 made in the form of elongate hollow trapezium-shaped boxes. Crankshafts of pivotal four-links of each pair of walking supports are attached on output shafts of reducers in offset relation one with respect to another for an angle of 180 deg. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 dwg