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209PK型转向架是在209型基础上、采用了空气弹簧、盘形制动和抗侧滚扭杆等新技术的新型客车转向架。目前用在新近研制的双层客车上。从长远观点看,这些新技术为我国铁路客车提高运行速度,实现以北京为中心1500km范围内在15h内到达的要求提供了技术储备,也为解决硬座客车严重超员问题创造条件。本文简要介绍该型转向架的结构和采用新技术的必要性。
The 209PK bogie is a new type of passenger car bogie based on the 209 model with air springs, disc brakes and anti-roll bar torsion bars. Currently used in newly developed double-decker buses. In the long term, these new technologies will provide technical reserves for our country’s railway passenger vehicles to increase their operating speed and meet the requirements of arriving within 15 km from Beijing as the center within 1 500 km. This will also create conditions for solving the serious overcrowding problem of hard-seat passenger vehicles. This article briefly describes the structure of the bogie and the need for new technologies.