Structure and working condition of KCB gear oil pump and YCB

The structure of the gear shaft

Gear shaft is located in the lower part of the gear oil pump on pump body, made up of two tapered roller bearing, its front end connected to the device in advance, after the end connected to the governor, for the cone with semicircular keyway on both ends of the gear shaft, with the advance of among them inside of cone joint, often referred to as drive on the drive end through advance unit and coupling and other parts connected to the diesel engine.

The other end is connected with the governor through a cone, which is called the speed regulating end.

Structure and shape of gear shaft.

Working condition of gear shaft

The gear shaft is connected with the diesel engine through the advance actuator, coupling and other components.

By the diesel engine and the KCB gear oil pump structure, is the power of diesel engine by coupling, advance unit and other components are passed to the oil pump camshaft, the specific process of diesel engine power through gear power transmission for coupling, coupling power transfer to advance unit, by the advance unit to convey power to the drive end of the camshaft,

The torque transfer between the foreman and the shaft is completed by the friction caused by the camshaft and the foreman's conical surface, and the frictional positive pressure is generated by the tightening of the nut on the top of the camshaft.

Therefore, the driving end of the shaft is subjected to the action of torque. At the same time, the torque of the diesel engine is transmitted through the YCB gear pump gear. The gear will produce side force, so the camshaft will also be subjected to the action of bending moment caused by the side force.

The speed regulating end of the camshaft is mainly to drive the governor to work, so the force is very small.

The camshaft between the two supporting points in addition to the action of the driving torque, the gear shaft is also constantly cyclic by the pump end pressure, the piston spring force and the action of inertia force, so the whole gear shaft between the two supporting points in addition to the torsional torque, but also by the bending torque.

 

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