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人们力图将车辆走行部分的簧下部分重量减小到最低限度,以改善支承于轮轴上的部件(牵引减速器,电动机和轴箱)的工作条件,并消除运行中的噪音,因而在车轮结构中采用了弹性元件,创制出刚性较小的轮心。各国都设计了装有橡胶弹性元件和橡胶金属弹性元件的车轮。已知美国设计了100多种,西德约40种,法国30多种,瑞典20多种。很早以前俄国在铁路车辆上曾采用过下列弹性车轮:在轮箍与轮毂之间安装弹性橡胶囊;采用异形空心橡胶环作为减振元件。十九世纪末期,英国、法国、意大利均设计了拉伸和扭转的弧形及环状金属辐条以及其它形式的弹性轮辋悬挂装置,作为弹性元件。在俄国早期的弹
Attempts have been made to minimize the weight of the unsprung portion of the running portion of the vehicle in order to improve the operating conditions of the components supported on the axle (traction reducer, motor and axle box) and to eliminate running noise, In the use of flexible components, create a less rigid wheel center. All countries have designed wheels equipped with rubber-elastic elements and rubber-metal elastic elements. It is known that the United States has designed more than 100 species, about 40 species in West Germany, more than 30 species in France and over 20 species in Sweden. Russia had long used the following elastic wheels on railway vehicles long ago: elastic rubber capsules between the wheel hub and the hub; and shaped rubber rings as damping elements. The late nineteenth century, the United Kingdom, France, Italy are designed to stretch and twist the arc and the annular metal spokes and other forms of flexible rim suspension device as a flexible element. Early bombs in Russia