现已设计出用于铁路客、货车辆的新型旋转式悬挂减震器，其使用性能优于伸缩式线性减震器。这种新型减震器具有相对较高的减震力矩，但却设置在一小管壳内，这对空间有限的应用领域是很关键的。减震器的结构可降低车体的重心。各种安装配置和连接能保证在转向架结构中具有很大 New rotary suspension shock absorbers have been designed for use on railway passenger cars and freight vehicles. Their performance is superior to telescopic linear shock absorbers. The new shock absorber, which has a relatively high damping torque but is housed in a small tube case, is critical for space-limited applications. The structure of the shock absorber can reduce the center of gravity of the car body. A variety of mounting configurations and connections ensure that the bogie structure is large