论文部分内容阅读
6102BQ型柴油机采用直接喷射式燃烧室,喷射油压高达18.5MPa,具有起动性好、经济性高、动力性强等优点,是我国目前中型客、货车专用机型。但该机型曲轴所受冲击负荷大,在我市使用中断裂现象较为严重。1 曲轴断裂原因分析1.1 断裂现象曲轴断裂时,曲轴轴瓦烧损,严重的甚至曲轴主轴瓦和连杆轴瓦走外圆。曲轴的断裂一般
6102BQ diesel engine with direct injection combustion chamber, injection hydraulic pressure up to 18.5MPa, with good start, high economy, strong power and other advantages, is China’s current medium-sized passenger cars for models. However, the impact of this model crankshaft load, the use of the city in the fracture phenomenon is more serious. 1 crankshaft fracture analysis 1.1 fracture phenomenon Crankshaft fracture, the crankshaft bearing burn, even the crankshaft main bearing and connecting rod bush to take the outer circle. Crankshaft fracture in general