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1、两台吊车(三个轮子)吊车梁计算跨度L轮压P1轮压P2轮距a1轮距a2车宽B1车宽B2a1P1设计值 P2设计值 P1+2P2a060002.482.483000300035003500500 36.83624 36.83624 110.5087 833.3333起重量Q1 起重量Q2小车重g1 小车重g2 水平刹车T1水平刹车T2弯矩Mt224.254.252.5751252.5751257305.129上翼缘B1 上翼缘t1下翼缘B2 下翼缘t2 腹板ho腹板tw螺孔位置ao孔径doh面积A300102001038069022400342.888Af1nAf2nAwnAn2560200022
2、806840中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1正应力2剪应力 184.0351 1990866321081786 921847.118936000126240235 154.4639 113.3564 56.54685 Af1Af2AwA3000200022807280中和轴y IxWx1Wx2IyWyiy173.2143 2123377861225868 936292.629166666.67194444.4444 63.29621I1I2eitaBkesibeitaBlambdaYfaiBfaib1正应力122500000 6666666.7 0.4342860
3、.50.8294.792404761.47037 0.855607137.1985挠度v/L6.14306 976.71189弯矩M剪力V104497.2 85.95122一台吊车(两个轮子) 吊车梁计算1.输入吊车参数跨度(mm) 轮压P(t) 轮距(mm) 车宽(mm) P设计值 600032.3 6100 9200479.7623 起重量Q 小车重g水平荷载T2T 弯矩Mt7528 42.43806 84.87612 30776.432.输入截面参数上翼缘B1 上翼缘t1 下翼缘B2 下翼缘t2 腹板ho腹板tw螺孔位置ao孔径do3401624016528109021.53.强度验算A
4、f1nAf2nAwnAn47523840528013872中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1正应力2262.1176 7.54E+0828761882530863 46832533 275485.5235 232.6854 137.47394.整体稳定验算Af1Af2Aw面积A54403840528014560中和轴y IxWx1Wx2IyWyiy250.1099 7.96E+0831835142569389 70837333 416690.269.751I1I2eitaBkesibeitaBlambdaYfaiBfaiB152405333 18432000 0.3
5、83677 0.504202 0.820756 86.02028 1.876619 0.9021095.挠度验算挠度 mm v/L5.45454511002Pao弯矩(Nm) 剪力(kN)959.52453050347927.6 471.7662200梁高h560剪应力 134.0245 正应力1195.0091两台吊车(四个轮子) 吊车梁计算跨度L轮压P1轮压P2轮距a1轮距a2车宽B1车宽B2a3750012.512.544004400555055501150起重量Q1 起重量Q2 小车重g1 小车重g2 水平刹车T1 水平刹车T22T1+2T210104.14.1 5.809482 5.
6、80948223.237928上翼缘B1 上翼缘t1 下翼缘B2 下翼缘t2 腹板ho腹板tw螺孔位置ao3001220012576890Af1nAf2nAwnAn30722400460810080中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1280.4 5.97E+0821273451866419 22723200151488235250.5079789Af1Af2Aw面积A36002400460810608中和轴y IxWx1Wx2IyWyiy266.7421 6.34E+0823778951903284 35000000 233333.3 57.44038I1I2eitaBkesibeitaBlambdaYfaiBfaib1270000008000000 0.4342860.50.82 130.5702 0.8882730.729217943挠度v/L11.38466 658.7813P1设计值P2设计值2P1+2P2ao弯矩M(Nm) 剪力V(kN)185.6665125 185.666513 742.6661575 370234.5 250.0309aoMt575 11584.5912孔径do梁高h22600正应力2剪应力198.3662517 81.3902681正应力1263.162521