轮重减载率

然后计算出脱轨系数和轮重减载率，测试轨头位移，计算出轨距弹性挤开量。

In each stage , the vertical and horizontal forces of inner and outer rails , the coefficient of derailment and the rate of wheel load reduction , and the displacement of the railhead should be tested , and the elasticity crowding amount of the track distance calculated .

高速铁道车辆通过曲线时，轮轨作用力、轮重减载率、脱轨系数均较低速车辆同类值高，同时轮轨磨耗加剧。

On curved track , the wheel-rail interaction , the rate of wheel load reduction , the wheel'rail wear rate and the coefficient of derailment for high speed railway vehicles are much higher than those for low speed ones .

对于CRH型高速列车，若采用京津线轨道谱，以脱轨系数作为安全性评价标准即可；若采用德国轨道谱，则还需要补充轮重减载率作为安全判据。

For the CRH high-speed train , derailment coefficient is only needed as safety evaluation criterion when track spectrum of Beijing-Tianjin railway line is employed ; while wheel unloading rate should be added for safety evaluation criteria when track spectrum of German railways is employed .

各因素引起的轮重减载率变化量与其成正比。

The variations of wheel unloading ratio caused by various factors are proportional to them .

进行了高速车辆运行安全性的评定，并对脱轨系数、轮重减载率、轮轨垂向力和横向力等评价指标进行了对比分析。

The running safety is also evaluated by the indices of derailment coefficient , wheel load reduction , wheel / rail vertical and lateral forces .

列车风显著增大了头尾车的轮重减载率、脱轨系数、轮轨横向水平力。

The train induced wind obviously increases the reduction rate for wheel load , the derailment coefficient , lateral force for the first and the last car .

结果表明，主动径向转向架可以有效地降低轮轨磨耗，对轮轨横向力、脱轨系数、轮重减载率等曲线通过性能有不同程度的改善。

The analysis shows that the active radial bogie can effectively reduce wheel / rail wear , the wheel / rail lateral force , derailment coefficient and wheel unloading rate .

本文根据道岔运行试验得到的线路数据建议控制转向架的静态轮重减载率及其极限值。

Moreover , the necessity to control the right to left static wheel load unbalance ratio and its limit value on assembling bogies are suggested in this paper with field data obtained from turnout running tests .

在高速列车荷载作用下，梁体跨中挠度、横向振幅、竖横向加速度和墩顶横向振幅以及桥梁中跨跨中的脱轨系数、轮重减载率和轨道力符合相应的规范要求。

Under the load action of high-speed passenger trains , the deflections , lateral amplitudes , lateral and vertical accelerations , lateral pier amplitude , derail coefficient , wheel load reduction ratio , and track force of bridges meet corresponding codes .

系统地分析了传统脱轨评价指标，研究了脱轨系数与轮重减载率的上下限及其与脱轨的关系，解释了脱轨系数以及轮重减载率超标而未必脱轨的现象。

The traditional derailment criteria are analyzed systematically , and their upper and lower limits and the relationship with derailment are studied . The phenomenon of no derailment occurring are explained even when derailment quotient and wheel unloading ratio exceed their critical values .

风对桥上列车的运行安全有很大影响：在平均风速为30~40m/s的脉动风作用下，车辆的轮重减载率、脱轨系数和倾覆系数超标，必须给予足够的重视。

The running safety of the train is much affected by wind : Under the wind of 30-40m / s , the offload factors , derail factors and overturn factors of the train vehicles exceed the allowances , to which great attention should be paid .

结合二系悬挂系统功能，对扭杆装置在轨道车辆上的抗侧滚作用进行了简要分析，介绍了空气弹簧中心距对扭杆扭转刚度、车辆轮重减载率、柔度系数的影响。

The anti-rolling function of the torsion bar on rail car is analyzed briefly combined with the function of the secondary suspension system . The effect of the distance between air spring centers on the torsion stiffness of the torsion bar , car wheel unloading rate and flexibility coefficient .

应用统计线性化方法确定铁道车辆非线性系统随机振动响应的概率结构，确定其运行的动力学特性如运行平稳性指标、悬挂动行程、轮轨间隙和轮重减载率等。

The method of statistics linearization is applied to determine the probability structure of the responses to the random vibration of non-linear systems On railway cars , to determine such dynamic characteristics in operation as the running stability index , suspension stroke , wheel-rail clearance , and wheel unloading rate .

结果表明，在随机激扰作用下，橡胶轮转向架车辆系统将产生激烈振动，且车辆运行速度越高，振动越剧烈，但轮重减载率始终维持较低的振动值。

The results show that the vehicle system with the rubber-tired bogie has intensive vibration when the stochastic excitation is applied , and the vehicle running speed is higher , the vibration is more intensive , but the off-load rate of wheels is always small .