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[]、、PLC。[][]TH715.1[]B[]1003-5729（2019）02-0022-05DesigningandapplicationofrollersalbscaleArticleabstract:Thearticleaddressesworkingprincipleofrollerslabscale,designcalculationofhydraulicsystemaswellasmainstrcutureandtechnicalfeatureofthecompleteunit.WiththeaidofPLCcontrolledhydraulicup-and-downmechanism,onlineweighingmeasurementofsteelslabisautomaticallyperformedonreal-timebasisbythemethodofstaticweighing.Ithaspracticallyprovedexcellentresultinalotofapplicationfiields.Keywords:rollersalbscale;steelslab;onlineweighingmeasurement;hydraulicsystem1。。3019906603.820168.1。、、、、。1780135000kg、4000mm-11000mm、750mm-1650mm、230mm、100℃-1100℃、。22.12.1.1、、、、、、、2。1Science-TechnologyApplication222.1.2,。3。2.22.2.14000mm~11000mm、750mm~1650mm、230mm2.2.235000kg2.2.3100℃~1100℃2.2.40m/s~2m/s2.2.51000mm2.2.635000kg10kg4、20000kg、150%、300%、IP67、-20℃~70℃2.2.7≤19s、、5s2.2.8≥30s2.2.9150mm75mm2.2.10×φ125×460mm14MPa2134567891-2-3-4-5-6-7-8-9-23Science-TechnologyApplication2311MPa70mm/s;2.2.111.5m32.2.12380V/50Hz2.2.1370kw2.2.14-20℃~60℃、10%~90%2.2.1517802.3、、、、。。-PLC-、、、/--、-、PLCPROFIBUS。3、3.1。3.2、、4。。、、、。、、。、、、、、、、、、。4ABTPTPPT60L/minOUTINAB70mm/s———70mm/s3.3a.35000kg、4500kg、940mm、Science-TechnologyApplication24308mm35000+4500×940÷308=12943kgF12942÷2=6471kgψ0.7η0.8P11MPaD4FπηψP姨=115.68mmD125mm。b.75mm、150mm、L968mm、θ27.475°S2×L×sin(θ2)=460mmc.t7sνmS/t=0.066m/sAD2×π/4=0.012m2ηv1qAνmην=0.0008m3/S0.8L/sQ2×q=96L/min。d.ηv0.9n960rpmVQnηv=112/rev116cm3/rev0.116L/r。e.q111L/minη0.8pPq60η=25.5kw30kw。f.ν1.2m/sd4.61×qV姨=44.4mmDN50mm。ν5m/sd4.61×qv姨=21.75mmDN25mm。ν1.7m/sd4.61×qv姨=37.3mmDN40mm。3.4。3.5。3.6S7-2006ES7216-2BD23-0XB8。PLC7s5s7s≤19s。6。3.7、PLC、。44.15150SScience-TechnologyApplication256PLC1PSR11234SP1576/PR2S18//。。4.2、、。、、。4.3。4.4。4.5、、8。517807、。。22210012018-11-10[]1-2-3-4-5-6-7-8-9-10-710123984567Science-TechnologyApplication26