车辆制动装置TYPEDISTRIBUTIONVALV

车辆制动装置VehicleBrakingDevice104型分配阀TYPE104DISTRIBUTIONVALVE主讲人李西安ZHENGZHOURAILWAYVOCATIONAL&TECHNICALCOLLEGELecturerLiXi’an局减阀Quickservicelimitingvalve目录CONTENTS紧急增压阀EmergencyIntensityValve项目一项目二局减阀Quickservicelimitingvalve一、是在制动位产生第二阶段局减作用时，将制动管的压力空气送入制动缸，使制动管产生局部减压，确保后部车辆迅速产生制动作用，以提高制动波速，缓和列车纵向冲击，改善制动性能，缩短制动距离。Itistosendpressureairfromthebrakepipeintothebrakecylinderwhenthesecondstageofquickserviceapplicationisgeneratedinthebrakingposition,causinglocalpressurereductioninthebrakepipe,makingsurethattherearvehiclesquicklygeneratebrakingeffect,soastoincreasebrakingwavespeed,alleviatinglongitudinalimpactofthetrain,improvingbrakingperformanceandshorteningbrakingdistance.局减阀的用途Thepurposeofthequickservicelimitingvalve局减阀Quickservicelimitingvalve一、1—局减阀Quickservicelimitingvalve图5-10104型分配阀局减阀部Type104DistributionValvequickservicelimitingValveSection2—密封圈(φ24)asealingring3—局减阀套quickservicelimitingvalvesleeve4—局减膜板alocalpressurereducingdiaphragm5—压圈pressurering6—局减活塞alocalpressurereducingpiston7—局减弹簧网aquickservicelimitingvalvespring8—局减活塞螺母alocalpressurereducingpistonnut9—局减阀盖aquickservicelimitingvalvecover10—毛毡felt11—局减阀弹簧垫aquickservicelimitingvalvespringpad紧急增压阀EmergencyIntensityValve二、图5-11104型分配阀紧急增压阀Type104DistributingValveEmergencyIntensityValve膜1—增压阀弹簧intensityvalvespring2—增压阀套intensityvalvesleeve5—密封圈（φ40）sealingring（diameter40)6—增压阀盖intensityvalvecover4—增压阀intensityvalve3—密封圈（φ24）sealingring（diameter24)紧急增压阀的用途Thepurposeoftheemergencyintensityvalve是在紧急制动时使制动缸产生增压作用。istopressurizethebrakecylinderduringemergencybraking.即紧急制动时，将副风缸与压力风缸的压力空气一起送入容积室，提高容积室压力，通过均衡部提高制动缸压力，以获得更大的制动力，缩小制动距离，确保旅客列车行车安全。Thatis,duringemergencybraking,thepressureairoftheauxiliaryaircylinderandthepressureaircylinderwillbesentintothetogethertoincreaseitspressureandthepressureofthebrakecylinderwillbeincreasedthroughthebalanceparttoobtaingreaterbrakingforce,reducethebrakingdistance,andensurethesafetyofthePassengertrain.感谢您