【摘要】 研制了一种利用滚柱并通过楔形结构实现制动增力的新型增力式车轮制动器,该结构可使制动蹄受力合理、磨损均匀,为中、重型汽车采用液压制动提供了有效的途径。介绍了该制动器的结构、工作原理,确立了增力条件,导出了一些关键参数的确定方法。初步试验表明,该增力式车轮制动器增力效果显著,制动力大小仍然可以通过制动踏板进行控制,最大制动力能够达到试验车气压制动的水平。简要分析了存在的问题及解决方法。更多还原

【Abstract】 A new type of servo brake which provides a increased brake torque by a roller and a wedge structure,whose advantages are its ideal force on brake shoes and even wear,has been developed.This type of brake is suitable for hydraulic brake systems of medium and heavy duty trucks.The structure,working principle and servo conditions are introduced,and the method to determine the key parameters has been derived.The initial tests indicate that servo effectiveness of the servo brake is evident,and brake torque can be controlled by brake pedal,and the maximum brake torque reaches the level of its original air brake system.Problems and their solutions are simply introduced.更多还原