本文分析了钻机绞车带刹车系统的局限性,阐述了盘式刹车系统的特点和工作原理,刹车盘和刹车钳的结构,以及刹车力矩、热负荷等的计算方法,并对盘式刹车系统的发展前景提出几点看法。 This paper analyzes the limitations of the winch belt brake system of drilling rig, expounds the characteristics and working principle of the disc brake system, the structure of the brake disc and the brake caliper, as well as the calculation methods of braking torque, heat load and so on. Development prospects made a few comments.