Crankshaft

Crankshaft is an important part of mud pump. It is used to connecting mud pump accessories.Yonghe brand crankshaft is made of casted alloy steel. Eccentric ring gear, connection rod and  bearing are mouted on it. The eccentric ring gear is herringbone. When assembly, the herringbone bore and crankshaft are of interference fit and fastened with bolts and lock nuts. Big ends of connection rod are mounted in three eccentric straps of the crankshaft via single row cylindrical roller bearings. Small ends are mounted on crosshead pin via double row cylindrical roller bearing. Double row radial spherical roller bearings are mounted at either end of the crankshsft.