一辆黄河翻斗车,于1994年2月送中原油田运输公司交通总站修保车间,进行车架加固和换活塞环作业,车辆修竣经检查试验合格后出厂。几天后在执行任务途中(空车),突然一声巨响,停车检查,发现第5缸的4根连杆螺栓都断裂,缸体被捣一个大洞,连杆大头伸出洞外。拆下油底壳后,发现断了的连杆螺栓中,有2根被拉伸,并在断处收缩;第1、2、3、6缸上瓦片磨损严重,第2缸上、下瓦拉出一道沟。 A Yellow River dump truck, in February 1994 to Zhongyuan Oilfield Transportation Corporation bus repair workshop, for frame reinforcement and replacement piston ring operation, repair the vehicle after passing the inspection and factory test. A few days later on the task (empty car), a sudden loud noise, parking inspection and found that the fifth cylinder of the four connecting rod bolts are broken, the cylinder is a pound a big hole, connecting rod bulk out of the hole. Remove the oil pan and found broken rod bolts, two were stretched and broken at the broken Department; first 1,2,3,6 cylinder on the tile wear and tear, the second cylinder, the next Wala out of a ditch.