信号机显示的意义铁路信号基础设备维护课件.pptx

;信号机显示的意义;Sectiontwo,displaymeaningofvarioussignals.Inthispart,weexplainthemeaningsofthedifferentcolorsofvarioussignals,includinghomingsignals,startingsignals,routesignals,passingsignals,obstructionsignals,approachingsignals,shuntingsignals,humpingsignalandrepeatingsignal.;进站信号机;Homingsignal;一个黄色灯光——准许列车经道岔直向位置，进入正线准备停车。;Whenthehomingsignalshowsayellowlight,itmeansthatthetrainisallowedtopasstheturnoutstraightpositionandenterthemainlinetopreparetostop.;一个绿色灯光——准许列车按规定速度经正线通过车站。;Whenthehomingsignaldisplaysagreenlight,itmeansthatthetrainisallowedtopassthroughthestationontheregularlineatthespecifiedspeed.;一个黄色闪光和一个黄色灯光——准许列车经过18号及以上道岔侧向位置，进入站内越过次一架已经开放的信号机，且该信号机防护的进路，经道岔的直向位置或18号及以上道岔的侧向位置。;Whenhomingsignaldisplaysayellowflashingandayellowlight,itmeansthatthetrainispermittedtopassthroughthelateralpositionoftheNo.18andaboveturnout,enterthestationandpassthenextopensignal,andtheapproachprotectedbythesignalwillpassthroughthestraightpositionoftheturnoutorthelateralpositionoftheNo.18andaboveturnout.;两个黄色灯光——准许列车按限速要求越过该信号机，经道岔侧向位置进入站内准备停车。;Whenthehomingsignaldisplaystwoyellowlights,itmeansthatthetrainispermittedtopassthesignalasrequiredbythespeedlimit,andenterthestationthroughthelateralpositionoftheturnouttopreparetostop.;一个绿色灯光和一个黄色灯光——准许列车经道岔直向位置，进入站内越过次一架已经开放的信号机准备停车。;Whenthehomingsignaldisplaysagreenlightandayellowlight,itmeansthatthetrainisallowedtopasstheturnoutstraightposition,enterthestationandcrossanopensignaltopreparetostop.;一个红色灯光及一个月白色灯光——准许列车在该信号机前方不停车，以不超过20公里/小时的速度进站，并须准备随时停车。;Whentheinboundsemaphoredisplaysaredlightandamonthofwhitelight,itmeansthatthetrainispermittedtonotstopinfrontofthesemaphore,enterthestationataspeednotexceeding20km/h,andbepreparedtostopatanytime.;进站色灯信号机的显示