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本文给出了几组驱动轮和驱动桥在各种典型工况下的工作特性以及几种典型机组的增重特性的数学模型,建立了驱动轮(桥)工作特性及增重特性与表征机组牵引性能的参数之间的数学联系。在此基础上,讨论了预测机组牵引性能的一般程序,建议采取一种四象限的机组牵引性能预测图作为性能预报、机组匹配和参数选择。为使用方便,本文给出了几种典型机组在典型工况时的牵引性能预测图,介绍了这些图的绘制步骤和使用方法。
In this paper, the working characteristics of several driving wheels and driving axles under various typical working conditions and the mathematical models of the weighting characteristics of several typical units are given. The working characteristics of the driving wheels (bridge) and the characteristics of weight gain and characterization of the generating units Mathematical relations between parameters of traction performance. On this basis, the general procedure of forecasting unit traction performance is discussed. A 4-quadrant unit traction performance prediction chart is proposed for performance prediction, unit matching and parameter selection. For convenience of use, this paper gives the prediction of traction performance of several typical units under typical working conditions, and introduces the drawing steps and usage methods of these diagrams.