车辆减速器是机械化驼峰和自动化驼峰编组场用来调整车组溜放速度的设备。
Car retarder is equipment applied in mechanical and automatic hump marshalling yards for regulating rolling speed of sets of car.
车辆减速器产品质量、维护质量的优劣直接影响自动化控制系统的控制精度，影响驼峰编解作业的安全与效率。
Product quality and maintenance quality of the car retard ers directly affect the control precision of automation control system, the safety and efficiency of the hump marshalling.
调节器由齿轮和蜗轮蜗杆减速器组成；自动控制电路由脉冲周期鉴别、正向开关、反向开关及保护电路组成。
The adjustor consists of gears and worm-gear reducer, and the automatic controller circuit consists of pulse period discriminator, forward switch, backward switch and protector circuit.
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