吊耳强度计算

16Mnσs＝材质：单位参数：主板厚度t＝55mm重磅板厚度t1＝30mm主板直径c＝650mm重磅板直径c1＝600mmσ挤压孔直径c2＝300mmτs许用正应力σ＝275Mpaσs受力P＝150T=1500000吊耳长度t＝900mm面积：A=37250mm2σ=40.2684564Mpa137.5A=18625mm2τ=80.5369128Mpa82.5A=34500mm2σ挤＝43.4782609Mpa115.5A=49500mm2σ焊=30.3030303Mpa82.5吊耳强度计算δ≤16mm,=345Mpa;δ16～25mm,=325Mpa;δ25～36mm,=315Mpa;δ36～50mm,=295Mpa;开坡口、完全焊透。82.5δ50～100mm,=275Mpa。3.挤压应力校合：4.焊缝强度校合1.正应力校合：2.切应力校合：σ挤压=0.42*σA709-50-2σs=σ/2τs=0.6*σs简图：材质：45＃安全系数：σs355Mpa[σs]=142[τs]＝106.5参数：单位t＝300=3000000NF=d=300mmL1=108mm钢丝绳宽度L=400mm主板宽度M=F*L=219000000W=3.14*D^3/32=2649375σ＝M/W=82.661005A=70650mm2τ=F/A=42.462845轴的强度校合1.轴的抗弯校合2.轴的剪切应力校合Mpa备注=115.5Mpa=82.5Mpa=137.5MpaNMpaOKσ＝P/AMpaOKτ＝P/AMpaOKσ＝P/AMpaOKσ＝P/A吊耳强度计算δ≤16mm,=345Mpa;δ16～25mm,=325Mpa;δ25～36mm,=315Mpa;δ36～50mm,=295Mpa;开坡口、完全焊透。82.5δ50～100mm,=275Mpa。σ挤压=0.42*σA709-50-2σs=σ/2τs=0.6*σsN=2.5MpaMpa1500000N[σs]=142OK[τs]=106.5OK轴的强度校合σs屈服强度σ挤＝0.42σs挤压强度σb抗拉强度[σ]焊＝0.3σb焊缝许用正应力[τ]焊＝0.18σb焊缝许用切应力