325201110JOURNALOFDALIANJIAOTONGUNIVERSITYVol.32No.5Oct.20111673-9590201105-0050-03116028*..A0.“”1..、、2-5...、.1680D=38.1mmd=32.9mmσy=552MPaE=2.1×105MPa.2134~3404mm7.R=1200mm7.Rmin=ED/2σy11Rmin=7247mmR=1200mm.RRmin.ζ=σyR/E22ζ=552×12002.1×105=3.15mm16%.8.2..*2011-03-29LS20100231960-E-mailshizhihui@163.com.551.、...L1.1FM9M=W·σy31FR·sinθ·tanθ=W·σy4Tq=FR/cosθ5TqTq=MR+d22Rd+d26TqN·mdqmmW=πD4-d4/32DW=2.4095×10-6m3H.qd.d=R/20.Tq=1330.044×1200+6022×1200×60+602=14627N·mF=TqR+d=146271.26=11609N.d=R/20.3..ψ.ψ.ψ....ψ.2.22tM'=F'R1-cosψ7F'N=F'·cosψ85232Tr=W·σy/1-cosψ9TrN·mψH2d'RH.ψTr、F'.80ψ°TrN·mF'/N5349523.514291269.61087547.450872956.2091539033.741732528.1182022054.390618378.6582514195.870211829.891309927.57238272.977357354.4796128.733405685.0224737.52454541.0493784.207503723.3943102.828ψ10°ψ=10°.F'=72956NTr=87547N·mψ=10°.ψ=30°F'=8272NTr=9927N·m..ψ.ψ.ψ≥90°F'F'N.ψ=30°.41、2.1.J.20063411-6.2.J.200427473-75.3.J.200023651-53.4.J.199928237-40.5.J.200831497-101.6.M.2003114-115.7.J.2008361125-27.8.J.201039510-13.9.M.2004127-128.MechanicalStudyofBendingCoiledTubingonReelSHIZhi-huiFANJiaXULiLIUYuan-weiSchoolofMechanicalEngineeringDalianJiaotongUniversityDalian116028ChinaAbstractAimingatplasticdeformationprocessofcoiledtubingshortenstheexpectancylifeintheoperatingandrestrictstheuseoftheequipmentthestressanalysisofthecoiledtubingplasticdeformationonthereelisconductedandmechanicalstudyofbendingcoiledtubingonreelwascarriedoutthroughamechanicalmodel.Calculationformulasforthereeltorqueandforceoncoiledtubingarededucedandthedataobtainedinlineareinaccordancewithactualprojectandcanbeusedforprovidingtechnicalsupportforthereeldesignandoperation.Keywordscoiledtubingplasticdeformationreeltorquemechanicalanalysis