铁路道岔区段存留车辆机车转头继电自动控制电路的设计杨志国（铁道部第三勘测设计院自控电信处天津市３００１４２）电气集中车站。道岔区段存留车辆。正常办理机车转头作业目前还做不到。主要原因是车辆留在道岔区段机车摘头后。有关区段不能正常解锁，机车转头后挂头信... Design of Automatic Control Circuit for Rotating Head of Locomotive in Locomotive Section of Railway Turnout Yang Zhiguo (Self - Controlled Telecommunications Department, Third Survey and Design Institute, Ministry of Railways, Tianjin 300142) Electric Concentration Station. Turnout sections remain vehicles. The normal handling of locomotives turned operations can not do so. The main reason is that the vehicle left after the locomotive pick-up in the turnout section. The relevant section can not be unlocked normally, the head of the locomotive hangs head after the letter ...