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1、机车车辆问答题（Locomotiveandrollingstockquestionsandanswers）Three.Questionsandanswers:1.whatarethefivemajorpartsofageneralvehicle?Answer:generalvehicleconsistsoffiveparts:(1)awalkingdevice(1points,a"walking"or"bogie"of);(2)thebody(1points,avehiclebodyandchassisof);(3)couplerb
2、ufferdevice;(1)(4brakedevice);(1)(5)carequipment.(1points)2.whatistheclearanceofrollingstock?Howdoesthevehicleconformtothelimit?A:thelimitoftherollingstockisaverticalcrosssectionperpendiculartothecenterlineoftheline(3points,perpendiculartothecenterlineoftheline,""limit
3、crosssection"and"Outline"of1points).Whetheremptyorheavy,(0.5points)onahorizontalline(0.5points)withoutlateralinclinationandoffset(0.5points),anypartofitshouldbecontainedwithinthecontourandshallnotexceed.(0.5points)Theotheranswer:thelocomotivegaugeistolimitthemaximumall
4、owablesize(1points)locomotivecrosssection(1)figures(1points)(orvehiclecrosssection(1)themaximumallowablesize.(1points)figures),(1)whetheremptyorheavyvehicles,(0.5stoppoints)onthehorizontallines,(0.5)thelongitudinalcenterlineandthecenterlineinthesameverticalplane,(0.5)t
5、hecaralltheprominentpartandthehangingpartshouldbeaccommodatedintheclearancewithinthecontour.(0.5points)3.axleoildevicehaswhatfunction?Answer:themainfunctionofthecrankcaseoildeviceare:(1)thewheelandthesideframe(orframe)connectedtogether,constitutetheoverallbogie;(1)(2)a
6、ndthevehicleverticalandhorizontalloadingtopassthroughtherailwheel;(1)(3)canbelubricatedjournal,reducerunningresistance,preventburningshaft;(1)(4)tolimittheexcessivewheelsetlateralandlongitudinalmovementfunction;(1)(5)topreventrain,dustintrusion,sealingfunction.(1points
7、)4.whatisthefunctionofthespringanddampingdeviceofthebogie?Answer:whenthevehicleisrunning,duetounevenlinesandthevehicleitselfandotherreasons,itisboundtocauseavarietyofperiodicornonperiodicvibrationandimpact.(1)thespringdampersystemisusedtomitigateandeliminatethesevibrat
8、ionandimpact,improvetherunningstability(2points),toensurethecomfortofpassengersandcargointact(1points)toextendthevehi
