Finite Element Strength Analysis of Diesel Engine Connecting Rod
The connecting rod is an important power transmission component of an internal combustion engine.It connects the piston and crankshaft,converting the reciprocating motion of the piston into the rotational motion of the crankshaft,and transmitting the force on the piston group to the crankshaft.It bears the gas pressure transmitted by the piston,the inertia force of the piston connecting rod group itself,and the pre tightening force generated by the bushing and bolts.As diesel engines continue to develop towards high speed and high load,the requirements for the strength of the connecting rods are also constantly increasing.When designing,it is necessary to ensure that the connecting rods have sufficient strength and stiffness.This article uses simlab and abaqus to perform finite element calculations on a certain type of six cylinder engine connecting rod,The main load parameters are explained,obtaining the stress distribution un-der assembly,maximum compression,and maximum compression condition.This provides a theoretical basis for the de-sign optimization and strength verification of engine connecting rods.
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