Optimization of the Agricultural Engine Crankshaft Mechanism Based on the Compound Turbocharger Technology

In view of the efficient performance of agricultural engine, on the basis of fully understanding the composition and operation characteristics of the crankshaft mechanism, the dynamic mathematical model of crankshaft mechanism optimization was established based on the compound turbo-charging mode. The structural parameters optimization and optimal performance control of the main components of the crankshaft were carried out with the idea of seeking the optimal solution. The adaptive relationship between actions of crankshaft mechanism and the support of compound turbo-charging technology was ensured to the driven static working condition angle, and then the engine performance optimization test was carried out. The results showed that the optimized engine could greatly reduce the stress distribution rate of crankshaft mechanism, the relative reduction rate was 19.86%, which ensured the efficiency of crankshaft mechanism operation and transmission, and the overall operation stability and structural compactness were improved, and the effective power was increased to more than 90%, the concept that based on the combination of compound turbo-charging and crankshaft mechanism optimization had good practical popularization, which would be conducive to the innovation and progress of agricultural machinery power system.