论文部分内容阅读
1.故障现象1台由华俊集团改装的ND3312D41型北方奔驰自卸车,更换举升缸20天后在平整地面上卸料。当货箱举升不足1m时,举升缸底部焊缝开裂,造成货箱突然重心失稳,导致车辆倾翻。该自卸车货箱采用单举升缸中置式举升机构。更换的举升缸为HG220×900型,额定压力为20MPa。缸筒、底座的材
1. Symptom 1 by the Huajun Group modified ND3312D41 North Benz dump truck, replace the lift cylinder 20 days after the discharge in the formation of the ground. When the container lifts less than 1m, lift the bottom of the weld cracks, resulting in a sudden loss of center of gravity container, causing the vehicle to tip over. The dump truck cargo box with a single lifting cylinder center-mounted lifting mechanism. Replacement lift cylinder HG220 × 900 type, rated pressure of 20MPa. Cylinder, the base of the material