摘要
结合270km·h-1高速列车基础制动系统的研制现状,在大量试验和仿真计算的基础上,计算和分折盘形制动的受载机理、材料性能及盘形制动功率极限。通过比选分配复合制动和纯空气制动等不同工况的制动力,计算动力车和拖车的制动缸压力。通过计算分析得出,270km·h-1高速列车采用动力制动和盘形制动时的制动距离为3514 7m,能够满足高速列车的制动初速为270km·h-1时紧急制动距离小于3700m的要求。但是,经分析认为当运行速度超过250km·h-1时,除采用动力制动和盘形制动外,还是应同时采用涡流制动、磁轨制动等多种制动方式,以减轻盘形制动的负荷,延长制动盘和闸片的使用寿命,降低运营成本。
With the design of the fundamental brake for 270 km·h-1 highspeed train, the load mechanism, material performance and limit of disc braking power are calculated and analyzed based on tremendous tests and simulation computations. The braking force distributions in different cases of compound brake and air brake have been compared, and the brake cylinder pressure for motor car and the trailer is calculated. When 270 km·h-1 highspeed train applies the dynamic brake and the disc brake, the calculated stopping distance is 3 5147 m. It can satisfy the requirement of emergency stopping distance of less than 3 700 m at initial speed of 270 km·h-1. In addition, train running over 250 km·h-1 should adopt many other braking systems such as eddy current brake, electromagnetic rail brake at the same time, besides dynamic brake and disc brake. Through these measures, the load of disc brake can be reduced, the service life of the brake disc and brake pad prolonged, and the operational cost reduced.
出处
《中国铁道科学》
EI
CAS
CSCD
北大核心
2003年第2期8-13,共6页
China Railway Science
基金
国家高技术产业发展项目(2001J001 H)
