车辆制动装置VehicleBrakingDeviceMis.pptx

车辆制动装置

VehicleBrakingDevice

Mission6120controlvalve

主讲人李西安

SpeakerLiXi’an

ZHENGZHOURAILWAYVOCATIONALTECHNICALCOLLEGE

120型控制阀Type120controlvalve

（一）

①滑阀密封不良，列车管压缩空气经滑根据漏出的空气的声响来判断。Judgment:Judgingbythesoundoftheleakingair.

阀漏泄；(1)heslidingvalveispoorly

u充气刚开始时，列车制动主管压力很快上升，因此，若制动主管压缩空气漏泄，在充气一开始就会

sealedandthecompressedairofthetrain

发出较高的漏气声音。

pipeleaksthroughtheslidingvalve;

uAtthebeginningoftheinflation,thepressureofthetrainbrakeheadrisesquickly,soifthebrakeheadcompressedair

②滑阀或节制阀密封不良，副风缸压缩

leaks,ahighleaksoundwillbeemittedatthebeginningoftheinflation.

空气经由滑阀漏泄；(2)theslidingvalve

orcontrolvalveispoorlysealedandtheu此时，关闭截断塞门，注意观察制动动机的状态，若制动机发生制动作用，可判断为紧急二段阀密

compressedairoftheauxiliaryaircylinder封不良，列车管压缩空气经此处的O形密封圈漏人大气；Atthistime,closingtheplugdoorandpaying

leaksthroughtheslidingvalve;attentiontothestateofthebrakemotor,ifthemotorbrakeaction,itcanbejudgedthattheemergencytwosection

valveisnotsealedandthecompressedairofthetrainpipeleaksthroughtheO-ringsealatmospherehere;

③紧急二段阀密封不良，列车制动主管

的压缩空气经紧急二段阀0形密封圈漏u若制动机部发生制动作用，还是继续排气，可确认滑阀漏泄。Ifthebrakeworksandcontinuetoexhaust,

泄。(3)Theemergencysecond-stageth