悬梁型双金属疏水阀双金属片组件设计研究

:100225855(2007)0520008202:(1963-),,,,,1,2,2(1.,744000;2.,730050),,,;;:TH134:AResearchonstudyofdouble2metalsliceforhangbeamdouble2metalsteamtrapZHANGYun2long1,HOUXian2cang2,LIShu2xun2(1.HongFengmechanicFactoryoFGanSu,Pingliang744000,China;2.PetroleumChemicalEngineeringschoolLanzhouUniversityoFtechnology,Lanzhou730050,China)Abstract:Introducingtheconstructionandoperatingprincipleofadouble2metalsteamtrap.Analyz2ingtheforcebalanceofvalvecoreandmainlydeducingtheformulaofforceforadouble2metalslice.Thepaperalsosinksreasonablequantityofdouble2metalslice.Keywords:hangbeam;double2metal;steamtrap1,,(),,2(1)()F1F0(),,F1=F0,,F1,F1F0,,F1F0,,,,F1,F1F0,(23)1.2.3.4.5.6.7.13311,()w820075x23d2w/dx2[1+(dw/dx)2]3/2=F(L-x)EI(1)(1)(dw/dx)2,x=0,F=EBS34L3w(2)312K=wST-T01w2-L2w2(2),FF=kBS2E(T-T0)4L(3)F,NK,-1E,MPaB,mmS,mmL,mmT,T0,4411,F1=NFF2-F3kEBS2(T-T0)4LNP1A0-P2A0(4)F2,NNF3,NP1,MPaP2,MPa412(1)qq=QMZ(d+bm)bm(5)QMZ=F1+F3-F2(6)qqMFqq(7)qMF,MPad,mmbm,mmq,MPaQMZ,N(2)(4)(5)(6)(7),N4L[(d+bm)bmqMF+(P1-P2)A0]kEBS2(T-T0)N4L[[q](d+bm)bm+(P1-P2)A0]kEBS2(T-T0)5,BSL,1(),.M.:,1989.2.M.:,1986.3,.M.:,1989.4.(I)(2)M.:,2004,201-208.(:2007108108)920075