Due to its speciality, the gravitational roller conveyor must be equipped with brake rollers in its table roller.
重力式辊筒输送机由于其自身的特性，必须在辊道中设置制动辊。
This article discusses certain problems in dynamics designing of the brake roller and some parameters of the brake piece.
本文讨论了制动辊动力学设计中的若干问题，主要涉及制动力的计算以及制动块的一些参数确定。
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.
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。
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