研究结论:通过对国际高速铁路道岔技术、我国客运专线道岔技术的分析,结合提速道岔十几年来的运用情况,借鉴200 km/h 60 kg/m钢轨可动心轨单开道岔技术优化成功运用的经验,提出“对现有各主型提速道岔以理论分析为基础,从道岔线型到主要关键零部件结构进行全面优化设计,彻底消除既有提速道岔存在的安全隐患,迅速开展全面优化升级工作”的建议,从而为提升提速道岔的整体技术性能和水平,更好地适应铁路建设发展的需要,满足运营要求提供借鉴。
Abstract:Research purposes:Based on the technical development of the turnout for high-speed railway and the increasing demand of railway construction in China for higher technical performance of turnout in recent years, the technical development direction of speed-raising turnout widely used and played an important role in our railway systems, is analyzed for the purpose of improving the overall technical level of the turnout used for the main railway lines in China as soon as possible.
Research conclusions:Through analyzing the turnout technologies used for the high-speed railways at home and abroad, and combining with the applicable situation of speed-raising turnout in the past ten years and the successful experience of applying the simple turnout with movable-point frog of 60 kg/m rail steel in 200 km/h railways, this paper theoretically analyzes the current main speed-raising turnouts used in China and makes the proposals of making the optimum design of the speed-raising turnouts from the line type to the structures of the main components of the turnout to completely eliminate the potential hazards in safety of the current speed-raising turnouts, improve the overall technical level of the speed-raising turnout, better meet the needs of railway construction, development and operation.
China Railway Engineering Corporation(CREC). No.12 Simple Turnout with -point Frog of 60 kg/m Rail Steel for 200 km/h Railway Track Design Report [R]. Beijing: China Railway Engineering Corporation, 2006.