Compatible Design And Research Of Suspension Guide And Steering System Of The Special Vehicle

The problem concerning the compatible design of the double wishbone independent suspension guide and steering trapeziform mechanism of the Special Vehicle is studied in this thesis. The difference between the practical in-out wheel angle and the non-slipping wheel angle is analyzed. Besides, the influence that the accessional angle which is brought by roll of vehicles bring to steering characteristics is investigated.Plane construct or plane analytics is usually used in traditional design method. It is difficult to obtain the ideal position of the splitting point, because the angle of the top-swing and underside-swing is neglected.The principles of spatial mechanism are applied to the calculation of the spatial motion of the double wishbone independent suspension guide and steering system of the Special Vehicle in this paper. The determination of steering trapeziform mechanism splitting point is analyzed particularly and a related optimization program in MATLAB is developed. And then the simulation and experimentation are accomplished in ADAMS/View. So an accurate and useful method is provided for designing the splitting point of steering trapeziform mechanism of double wishbone independent suspension and steering system. Compared with traditional design, more infection is thought over in this paper. So the result accords with the practice perfectly.By applying circumvolve vector, a method is provided to analyze and calculate the practical in-out steering angles of the divided steering trapeziform mechanism and the non-slipping wheel angle. By comparing the two results the consequence which is brought by the difference is analyzed. At the same time, by virtue of toolbox in MATLAB, the non-linear equations are solved to enhance the computing accuracy and computing speed.The roll steer analysis model is established to analyze the related steering characteristic.