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简述高速动车组的结构特点、检修方式和我国动车段的兼容要求。详细介绍自主研发的DDT型地坑式架车机的设计思想、技术创新和新颖结构,重点说明解决地坑式架车机通用性的关键技术要点和安全保护措施,对地铁车组架车机的设计具有指导意义。
Briefing the structural features of high-speed EMU, the way of maintenance and the compatibility requirements of the motor-driven section in China. This paper introduces the design idea, technical innovation and novel structure of self-developed DDT pit-type overhead traveling crafter. It focuses on the key technical points and safety protection measures to solve the generality of pit pit truck. The design is instructive.