悬挂式单轨道岔选型及工艺布置研究
游鹏辉
Selection and Process Layout Study of Suspension Monorail Turnout
YOU Penghui
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作者信息:中铁第四勘察设计院集团有限公司， 430063， 武汉
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Affiliation:China Railway Siyuan Survey and Design Group Co., Ltd., 430063, Wuhan, China
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关键词:
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Key words:
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栏目/Col:应用技术
摘要:
目的：道岔是悬挂式单轨交通的关键设备之一，为降低道岔选型和工艺布置的难度，使不同工程场景应用最优的道岔方案，需要研究悬挂式单轨道岔的类型及布置工艺。方法：在总结国内外多条悬挂式单轨线路中道岔类型应用现状的基础上，阐述了平移换梁型道岔、梯子型芯轨转辙道岔、倒T形芯轨转辙道岔及关节型道岔的转辙原理、组成结构及主要特点；对比各类型道岔的主要性能及指标，并结合车站出入线、单渡线、故障停车线、段场出入线及段场停车线等不同工程场景对道岔的需求，考虑不同悬挂式单轨道岔的转辙时间、平顺性、占地面积、成熟度及投资等对不同场景的影响，提出了适用于车站出入线、单渡线、故障停车线、段场出入线及段场停放线的最优道岔类型及工艺布置。结果及结论：车站出入线应优先采用倒T形芯轨转辙型道岔；单渡线应优先采用倒T形芯轨转辙型道岔；故障停车线应优先采用倒T形芯轨转辙型道岔+平移换梁型道岔的组合方式；段场出入线应优先采用倒T形芯轨转辙型道岔；段场停放线现阶段应优先采用平移换梁型道岔，待关节型道岔产品成熟后，再优先采用关节型道岔。
Abstracts:
Objective: Turnout is one of the key components in suspension monorail transit system. To reduce the difficulty in turnout type selection and process layout, and to ensure optimal turnout solutions for different engineering scenarios, it is necessary to study the above issues. Method: Based on a comprehensive review of turnout type application status in multiple suspension monorail lines in China and abroad, the principles, structural compositions, and main characteristics of translation beam turnout, laddertype core rail turnout, inverted Tshaped core rail turnout, and articulated turnout are expounded. The main performance and indicators of each turnout type are compared. Considering the requirements for turnouts in different engineering scenarios such as station entry/exit lines, single crossover lines, emergency parking lines, depot entry/exit lines, and depot parking lines, factors such as turnout transition time, smoothness, site area, maturity, and investment for different suspension monorail turnout types are taken into account. Consequently, the optimal turnout type and process layout for the above lines are proposed. Result & Conclusion: For station entry/exit lines, the inverted Tshaped core rail turnout should be preferentially adopted; and the same turnout for single crossover lines; for emergency parking lines, a combination of inverted Tshaped core rail turnout and translation beam turnout; for depot entry/exist lines, the inverted Tshaped core rail turnout; for depot parking lines, the translation beam turnouts at initial stage, and the articulated turnout once the products mature.
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