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人孔吊臂计算

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Selected 吊臂, 人孔.
  • 吊臂
  • 人孔
  • 吊臂
  • 人孔
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人孔结构计算
日期: 2026年6月13日
1.参数输入 1
力臂长度 L = 403 mm
吊起高度 H = 528 mm
吊钩直径 d = 20 mm
转臂直径 D = 36 mm
轴套直径 O = 48 mm
轴套壁厚 t = 5 mm
吊钩材质 SA-36
屈服强度 Q1 = 250 Mpa
转臂材质 SA-36
屈服强度 Q2 = 250 Mpa
轴套材质 SA-106B
屈服强度 Q3 = 240 Mpa
起吊总重 m = 130 Kg
安全系数 K = 1.65
2.吊钩校核
吊钩截面积 A1 = π*d²/4 = 314.2  mm²
吊钩许用拉应力 [σA] = Q1/1.6 = 156.3  Mpa
吊钩拉应力 σA = K*m*g/A1 = 6.8  Mpa
σA>[σA] OK
3.转臂校核
L段弯矩 ML = K*m*g*L = 864435 N*mm
L段抗弯模量 WL = π*D³/32 = 4580.5  mm³
H段弯矩 ML = K*m*g*H = 1132560 N*mm 注:近似考虑
H段抗弯模量 WL = π*D³/32 = 4580.5  mm³ 注:近似考虑
许用剪应力 [τ] = [σA] = 156.3  Mpa
L段剪应力 [τL] = ML/WL = 188.7  Mpa
H段剪应力 [τH] = MH/WH = 247.3  Mpa
[τL]>[τ] ERROR
[τL]>[τ] ERROR
4.轴套校核
轴套截面积 A2 = π*[O²-(O-2t)²]/4 = 675.4  mm²
轴套拉应力 σA2 = K*m*g/A2 = 3.2  Mpa
轴套许用拉应力 [σ] = Q3/1.6 = 150.0 Mpa
σA2<[σ] OK
人孔计算
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