12PSB二柴油燃料的注射泵试验的长椅上

12PSB-II Diesel Fuel Injection Pump Test Bench Characteristics: 1.Mainmotorfrequencyconversionadjustspeed 2.Smallvalueofreductionofspeed,largeoutputtorque 3.Highmeasurementaccuracy 4.Thefunctionofovervoltage,overloadandshortcircuit 5.Sevenkindsofrotationspeedpresetting 6.Constanttemperaturecontrolled 7.Rotationspeed,count,temperaturedigisplay 8.Buit-inairsuppply 9.Digitaldisplay Functions: 1.Testeachcylinder’soilsupplycapacityatvariousrotationspeed 2.Testeachcylinder’sinjectiontimewithstaticstate 3.Testthemechanicalspeedsgovernor 4.Testelectromagneticvalveofdistributionpump 5.Checkpressurecompensators 6.Checkingofthepneumaticspeedgovernor’svacuumperformance 7.Testtheoil-returnquantityofdistributionpump 8.Testinnerpressureofdistributorpump. 9.Testthesealingperformanceofinjectionpump Technicalparameters: No. Items Data 1 Mainmotorpower(kw) 7.5111518.5 2 Poweroffuelpumpmotor(kw) 0.75 3 Scopeofrotatespeed(r/m) 0 4000 4 Numberofcylinders 12 5 Heightofprincipalaxiscenter(mm) 125 6 Filteroilpricisionoftestbench(μ) 4.5 5.5 7 bigandsmallgraduates(ml) 150or45 8 Volumeoffueltank(L) 60 9 Lowpressureoffueloilpressure(Mpa) 0 0.4 10 Highpressureoffueloilpressure(Mpa) 0 4 11 Controltemperatureoffuel(°C) 40±2 12 Flywheelinertia(kg*m) 0.8 0.9 13 Scopeofrackbarstroke(mm) 0 25 14 Measuringrangeofflowmeter(L/m) 10 100 15 DCelectricalsource(V) 12/24 16 Positivepressureofairsupply(Mpa) 0 0.3 17 Negativepressureofairsupply(Mpa) -0.03 0 18 3phasepowerresource 380V/50Hzorasrequest