钢芯铝绞线计量误差的定量分析

20055No.52005ElectricWire&Cable200510Oct.,2005(,750011):,,:;;;:TM244.2:B:167226901(2005)0520045202QuantitativeAnalysisofMeasuringErrorinACSRCHENLi2hong(TianjiaWireandCableCo.Ltd.,Ningxia,Yinchuan750011,China)Abstract:ThemainfactorsresponsibleformeasuringerrorsinlengthandweightofACSRareanalysed.Themanufacturer,utilityandconstructioncompanyareaskedtopayattentiontorelateddetailswhensigningcontractsothatunnecessarycontroversymaybeavoided.Keywords:ACSR;length;weight;erroranalysis1,,GB1179-198390%,,,2LGJ-70P40mm2,11LGJ-70P40Pmm2PP(Pmm)Pmm2P(kgPkm)70P4012P2.727P2.7269.7340.67110.40511.3:2004211208:(1969-),,,.:16[750011].GB395521983,d2.5mm1%d,2.69mm2.72mm2.75mmGBPT3428219970.04mm,2.68mm2.72mm2.76mmW:W=1s1k1+2s2k2(kgPkm)(1),127.802.703(gPcm3);s1s2(mm2);k1k2,GB1179-1983A,7.03212.26(1)W1:W1=7.804(2.68)27.032+2.7034(2.69)212.26=497.7(kgPmm)W2:W2=7.804(2.72)27.032+2.7034(2.72)212.26=511.3(kgPkm)W3:W3=7.804(2.76)27.032+2.703©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2.75)212.26=525.9(kgPkm)200t,,L:L1=200000P497.7=401.8kmL2=200000P511.3=391.2kmL3=200000P525.9=380.3km,401.8-391.2=10.6km,391.2-380.3=10.9km,,,,10.9km,,,,3,,,«1.8m,,,,(1),,«1.8m10kg(2),78kg(3),5kg(4)2kg,5kg,,25kg,25kg3000t,«1.8m,3t,100025t,4,,d0=1200mm,LGJ120P70mm218mm,d1,,d1=1200+18=1218mm,L0:L0=d0=1200=3769.9mmL1:L1=d1=1218=3826.5mm:L1-L0=3826.5-3769.9=56.6mmP500t,1.8m,4000m,140:4000P3826.5=1045:56.61045=59m14059=8.26km,,,,5,,,,6420055No.52005ElectricWire&Cable200510Oct.,2005©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.