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䓽YôDǾWz֧OӋо
ᘌ䓽Y֧̌ĸ߳d߿߿DǵҪԳd10000kN֧оMҪĴDǾW֧ĽYʽӋ㷽\ԪCYOӋӋ㷽mԣĶ@ôDǾW֧OӋPI~DYʽӋ㷽Ԫ
֧䓽YһϲYcAYĽY̎ϲYodͨ^֧foAYҪ֧ҪijQdɵ;ض׃ʹYaˮƽQ@ЩĂfҲҪ֧ɣ߀Ҫ֧ĿˮƽͿQ;YLڷ^׃λλƣijЩcČaܴ@Щȡʩጷŵ،YaܴΣጷкصĴʩһڹc̎OqӽY֧͌ጷλƿgqܷc֧̎Ҫ֧DϷԿ䓽Y̵֧߂ijdDҪָ䓽YҪ֧DҪ()̵֧DǴöࡣ֧Dǵ֧ͨԣƉ֧r׃龀c֧Dӣo¾ȫ[mҪC̰ȫ҂_lһNDǾW֧яVһЩБ
ijһôDǾW֧֧ͨYOӋӋ㷽Mз
һо֧Ҫ
dN=10000kN
F=2000kN
H=3000kN
D =0.05rad
DOOc̎(ҊD1)
r
֧ڷgܳFĹr
1.֧ڳ܉ͬrlD;
2.֧ڳͬrlD;
3.֧ڳ܉ͬrܼD;
4.֧ڳͬrܼD;
4NrĹrһN¼@NrM֧ĽYOӋӋ㡣
֧YOӋ͂·
]֧дDǵҪODĵҪĴDǾW֧YDĺDǴ_mҪ
֧·
ϲYdo֧Ȼͨ^P䓰ƽĥڰ塢ĥ֧fo²Y
DǾW֧c֧ͨY܌
֧ͨY
֧ͨOcDD0.05radҳˮƽrĠr
Կ֧DӺ֧ăɂ桪֧A֧B֮gAǞ0.05rad֧ˮƽăɂ桪֧C֧D֮gAҲ0.05rad@Nr£֧ͼrԞ龀ceڳrcƫһƉ˾rܿɘƉ֧D֧(ƽ)Nϣ֧ҲDDጷŲˣкҲጷŲ
DǾW֧OcDD0.05radҳˮƽrĠr
Կ֧DӺ֧ăɂ(ҊG̎H̎)ԞY֧ˮƽăɂ(ҊG̎H̎)ҲԞY@Nr£֧ڳͼrԞƫdУƉԭеĂrCYȫԿ@ODOD
ͨ^ϱ^֪DǾW֧HõܺDܡ
塢֧Ӌ
1.DӋ
֧DӵDǕrڰ{µƽ⣬Ҫˮƽӣ֧ăǻĿg(D3)ݼ{ڰĻӶڸɔ_ˑ֧DM
a֧a0.05radDǕrP䓰匦ƽĥİڰ匦ĥİėl
D2>D1+2ASR
УD2=625mm
D1=535mm
ASR=860mm
=0.05rad
ӋYD2=621 mm<625mm MOӋҪ
b֧a0.05radDǕr֧ǻ(D3)ڰİl D3>D2+2ASR
УD3=712.36mmcͬ
ӋYD3=711mm<712.36mm MOӋҪ
2.Ҫ㲿Ӌ
֧Qˮƽr֧֧Ӌσɂďȡ
֧ڳQˮƽrĂԭrҪaˮƽˮƽr֮aQȴzr회@ЩӋMȥ]֧rh棬֧ˮƽr낀hмİ낀֧(IJ)z㡣
a.֧及Ӌ(ҊD6)
֧ϞZG275-485HOӋֵf=215N/mm2֧QF=2000kNˮƽH=3000kN
Ӌ㲿F1=F/2
aˮƽH1=F1/tg
aF2=H/tg
F=F1+F2=F/2+H/ tg=4157895N
H=H+H1=H+F1/tg=3946970N
a.ɵӋ(Yչ_Ӌ)
L1=103.75mm
M1=FϡL1=431381606N.mm
Ӌ㲿λĽ(Ӱ)SXđTԾأ
Jx=188615314mm4
hcSľxL3=62.86mm
Ӌ㲿λĽ(Ӱ)ģW1=Jx/L3=3000562mm3
Ӌ㲿λrď1=M1/ W1=144N/mm2
b.ɵďӋ
L2=89.22mm
M2=HϡL2=352148663N.mm
Ӌ㲿λeSX1đTԾJx1=1976267918mm4
hcSľxL4=290.67mm
(Ӱ)ģW2=Jx1/ L4=6799009mm3
Ӌ㲿λܼr2=M2/ W2=52N/mm2
12B֮ͦh=1+2=196N/mm2
h=196N/mm2
֧MOӋҪ
Autodesk Simulationܛ֧MԪwģͣ xυ|ܶ7.85kg/ mm3 ģ206842.7 N/mm2 Ûϵ0.00001566 1/ ɱȣ0.3Џģ77221.28 N/mm2־W16249sܣoȂ2000kN3000kNˮƽY£
ɷY֪183.495 N/mm2cӋ196 N/mm2ĽYǺ
b.֧及Ӌ
֧ϞZG275-485HOӋֵ
f=215N/mm2
֧及Ӌ㺆λLȵӋ
λ(ÿ)F3=F/(СD4)=1148N
aˮƽH2=F1/tg=1083N
֧ܵļH=3000kN
λ(ÿ)H3=H/D5=4478N
aF4=H1/tg=4713N
F=F3+F4=1148+4713=5861N
H=H2+H3=1083+4478=5561N
֮Qfh=(F2+H2)0.5=(58612+55612)0.5=8079N
L5=50.78mm
M3=QfhL5=807950.78=410270N.mm
Ӌ㲿λĽģW3=L62/6=1052/6=2017mm3
Ӌ㲿λď3=M3/ W3=410270/2017=203 N/mm2
Y3=203 N/mm2
Autodesk Simulationܛ֧MԪwģͬ־W14907soȂ2000kN3000kNˮƽY£
ɷY֪195.639 N/mm2cӋ203N/mm2ĽYǺ
wMԪY£
Autodesk Simulationܛ֧MԪwģͣ ͬ壬־W101127so溸ӷ3000kNˮƽoȲAh2000kNY£
ɷY֪217.885 N/mm2Ҫ
YՓ
1.֧Y֧ȡʹ֧ڳˮƽQr֧DҞ;֧lDӺܳˮƽQҞ
2.ø׃ʰ돽ķԷ{DOλԝM㹤̽Y֧DĵҪ
3.ӋYcԪYǺϡ
o]aƷ !