客运专线60 kg/m钢轨18号单开道岔是我国客运专线铁路的主型道岔产品,可动心轨辙叉是客运专线道岔中最复杂的部件,同时也是道岔制造和质量控制的关键点,根据道岔设计理论结合生产实践经验,总结了18号可动心轨辙叉组装的流程、方法和质量控制重点,旨在对道岔制造、铺设、养护维修提供一定借鉴作用。 Passenger Dedicated Line 60 kg / m rail 18 single turnout is the main railway turnout product for passenger dedicated railway in China. The movable rail frog is the most complex component in the turnout of passenger dedicated line and also the key point for the manufacturing and quality control of the turnout. According to The theory of turnout design combined with the production practice experience summed up the flow, method and quality control focus of the 18th movable heart frog assembly, which is intended to provide a reference for manufacturing, laying and maintenance of turnout.