車輛制動裝置VehicleBrakingDevice104型分配閥TYPE104DISTRIBUTIONVALVE主講人李西安ZHENGZHOURAILWAYVOCATIONAL&TECHNICALCOLLEGELecturerLiXi’an局減閥Quickservicelimitingvalve目錄CONTENTS緊急增壓閥EmergencyIntensityValve項目一項目二局減閥Quickservicelimitingvalve一、是在制動位產(chǎn)生第二階段局減作用時，將制動管的壓力空氣送入制動缸，使制動管產(chǎn)生局部減壓，確保后部車輛迅速產(chǎn)生制動作用，以提高制動波速，緩和列車縱向沖擊，改善制動性能，縮短制動距離。Itistosendpressureairfromthebrakepipeintothebrakecylinderwhenthesecondstageofquickserviceapplicationisgeneratedinthebrakingposition,causinglocalpressurereductioninthebrakepipe,makingsurethattherearvehiclesquicklygeneratebrakingeffect,soastoincreasebrakingwavespeed,alleviatinglongitudinalimpactofthetrain,improvingbrakingperformanceandshorteningbrakingdistance.局減閥的用途Thepurposeofthequickservicelimitingvalve局減閥Quickservicelimitingvalve一、1—局減閥Quickservicelimitingvalve圖5-10104型分配閥局減閥部Type104DistributionValvequickservicelimitingValveSection2—密封圈(φ24)asealingring3—局減閥套quickservicelimitingvalvesleeve4—局減膜板alocalpressurereducingdiaphragm5—壓圈pressurering6—局減活塞alocalpressurereducingpiston7—局減彈簧網(wǎng)aquickservicelimitingvalvespring8—局減活塞螺母alocalpressurereducingpistonnut9—局減閥蓋aquickservicelimitingvalvecover10—毛氈felt11—局減閥彈簧墊aquickservicelimitingvalvespringpad緊急增壓閥EmergencyIntensityValve二、圖5-11104型分配閥緊急增壓閥Type104DistributingValveEmergencyIntensityValve膜1—增壓閥彈簧intensityvalvespring2—增壓閥套intensityvalvesleeve5—密封圈（φ40）sealingring（diameter40)6—增壓閥蓋intensityvalvecover4—增壓閥intensityvalve3—密封圈（φ24）sealingring（diameter24)緊急增壓閥的用途Thepurposeoftheemergencyintensityvalve是在緊急制動時使制動缸產(chǎn)生增壓作用。istopressurizethebrakecylinderduringemergencybraking.即緊急制動時，將副風(fēng)缸與壓力風(fēng)缸的壓力空氣一起送入容積室，提高容積室壓力，通過均衡部提高制動缸壓力，以獲得更大的制動力，縮小制動距離，確保旅客列車行車安全。Thatis,duringemergencybraking,thepressureairoftheauxiliaryaircylinderandthepressureaircylinderwillbesentintothetogethertoincreaseitspressureandthepressureofthebrakecylinderwillbeincreasedthroughthebalanceparttoobtaingreaterbrakingforce,reducethebrakingdistance,andensurethesafetyofthePassengertrain.感謝您