Force and Stress Analysis of Connecting Rod bushing | |
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( Volume 1 Issue 3,September 2015 ) OPEN ACCESS | |
Author(s): | |
Qiangbing Dong, Zheng Liang | |
Abstract: | |
As an important moving part of the compressor, connecting rod bushing is subjected complex alternating pitman force. Connecting rod bushing is connected directly to crosshead pin, pitman force is exerted on the bushing in the form of reaction. The mathematical calculation model of pitman force is worked out by analysing the gas force at different crank angle. By building three-dimensional model of moving parts with SolidWorks and then SolidWorks Motion is used to carry out the dynamic simulation, finally kinetic parameters of simulation model is obtained. Comparing the simulation results with the resolution function analytical calculation results, function formula of pitman force was verified. And then carry out a finite element simulation of connecting rod small end though ANSYS Workbench, it is concluded that the connecting rod bushing stress decreases with the increase of clearance at the allowed range of the fit clearance—connecting rod bushing with the crosshead pin. |
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