469Q汽油机正时传动系统的设计研究

Design of Synchronous Belt Drive System for 469Q Gasoline Engine

根据469Q汽油机双顶置凸轮轴配气机构的特点,进行了正时传动系统的布置,给出了正时传动系统各个环节的设计计算过程、所用的经验数据及应遵循的原则,并提出了一种正时标记方法,设计了发动机正时传动系统的防护装置,提出了各阶段设计应注意的问题。试验表明,汽油机性能稳定,正时传动系统设计可靠。

Based on the admission gear of double overhead camshafts of 469Q gasoline engine,the synchronous belt drive system is arranged.The design calculation process,experience data and principle to be followed in various stages are given.A method used to be timing marking is put forward.Besides,the protective device of synchronous belt driving system is designed.The matters that need attention in the each design phase are emphasized.The test shows that the performance of 469Q gasoline engine is stabilization and the synchronous belt drive system is credibility.