ABSTRACT

The dynamic performance of the vehicle is improved when the bogie of a monorail vehicle passes through the curve in the radial position. This study aimed to derive the analytical relationship between the torque generated by the auxiliary guiding device and the yaw angle between the bogie and the vehicle body based on the geometric relationship between the auxiliary guiding device of the straddle monorail and the mechanical characteristics of the hydropneumatic spring. The main influencing factors were the angle of the arm and the initial pre-pressure of the hydropneumatic spring. Theoretical analysis and model simulation showed that the output torque of the auxiliary steering device had a linear relationship with the pre-pressure of the hydropneumatic spring, but a complex relationship with the angle of the rotating arm. When the reasonable pre-pressure (12.4 kN) of the hydraulic spring was selected, the output torque of the auxiliary steering device could be offset against the moment generated by the secondary suspension. At this time, the yaw angle of the running part was close to zero, and the bogie could be placed in the radial position on the circular curve, thus effectively reducing the wear of the running wheel and guiding wheel.

摘要

单轨车辆转向架径向通过弯道时，车辆的动态性能得到提高。本研究旨在基于跨座式单轨辅助导向装置与液压气动弹簧力学特性的几何关系，推导出辅助导向装置产生的扭矩与转向架与车身偏航​​角之间的解析关系。 . 主要影响因素是臂的角度和液压气动弹簧的初始预压力。理论分析和模型仿真表明，辅助转向装置的输出扭矩与液压气动弹簧的预压力呈线性关系，而与转臂角度呈复杂关系。When the reasonable pre-pressure (12.4 kN) of the hydraulic spring was selected, the output torque of the auxiliary steering device could be offset against the moment generated by the secondary suspension. 此时，运行部分的偏航角接近于零，转向架可以放置在圆曲线上的径向位置，从而有效地减少了运行轮和导向轮的磨损。