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本文在《论运煤货车大型化的选型问題》(简称“一论”)一文的基础上,就牵引梁“刀把梁’结构的强度问题,进行了理论与实际运用情况的探讨,从而得出了6D轴与8D轴敞车在我国没有实现的可能性的结论。同时还进行了我国各型4、6、8轴敞车主要技术经济指标及其经济性差别的分析比较,得出了综合经济效益以4E轴敞车为最高的结论。除此而外,本文还对现有轨道结构与现有适量不相适应的状况进行了详尽的分析。
Based on the article “On the Selection of Large-scale Transported Coal Wagon” (“One Theory” for short), this paper discusses the theoretical and practical application of the strength of the " The conclusion that the 6D axle and the 8D axle gondola car did not realize in our country was concluded.At the same time, the main technical and economic indexes of 4,6,8 axle gondola in our country and their economic differences were analyzed and compared, In addition to this, the article also gives a detailed analysis of the existing orbital structure and the current state of incompatibility.