WF-340自动倾卸车附有液压升降装置,为林区主要筑路、养路机械之一。我们在使用中发现,其车架断裂是个较为严重的问题。车架一经断裂,不仅经济上造成损失,修复比较困难,而且影响生产。因此,如何防止车架的断裂,成为我们在使用与修理中的一项重要课题。几年来,我们在实践中摸索,对车架断裂的原因进行了分析,并采取了一些防止与修复措施,收到了一定的效果。这里,我们提出来,与有关方面同志共同探讨。 WF-340 dump truck with hydraulic lifting device for the main road construction, road maintenance machinery. We found in use, the frame breakage is a more serious problem. Once the frame is broken, it not only causes economic losses but also makes repairs more difficult and affects production. Therefore, how to prevent the frame from breaking has become an important issue in our use and repair. Over the past few years, we groped in practice, the reasons for the frame broken analysis, and to take some preventive and remedial measures, has received some results. Here, we put forward to discuss with the comrades concerned.