【摘要】 介绍了双轴全挂运输车全轮转向系统的结构和工作原理，用立体几何方法建立了全轮转向系统空间六连杆转向梯形机构优化设计的数学模型，并用复合法对梯形机构的参数进行了优化。更多还原

【Abstract】 The structure and operating mechanism of all wheel steering system of the road transportation vehicle are introduced. The mathematical model of optimum design for six connecting rod steering mechanism of all wheel steering system is set up by means of solid geometry, and the data of trapezoidal mechanism is optimized by compound method.更多还原