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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+2P2a0弯矩M60003.767.32500300030003500500 55.84849 108.4292272.707 1090.414 245964.9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Mt51011.52.472124.7382310748.37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doh300122001247689022500Af1nAf2nAwnAn307224003808928
2、0中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1正应力2剪应力 232.331 39478396416992301474896 22723200151488235 215.7027 166.7676 78.94727 Af1Af2AwA3600240038089808中和轴y IxWx1Wx2IyWyiy220.1468 42037510619095221502127 35000000 233333.3 59.73705I1I2eitaBkesibeitaBlambdaYfaiBfaib1正应力1270000008000000 0.4342860.480.8164 100.44
3、02 1.413668 0.847275198.0927挠度v/L7.303707 821.50068剪力V200.4208一台吊车(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 800016.5 5000 6330 245.0798 起重量Q 小车重g水平荷载T2T 弯矩Mt1035.35626 10.71252 10126.682.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do320122001247669021.53.强度验算Af1nAf2nAwnAn332424002856858
4、0中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1正应力2223.7231 3.89E+0817377951407229 28588400 178677.5235323.309329.2674.整体稳定验算Af1Af2Aw面积A3840240028569096中和轴y IxWx1Wx2IyWyiy211.372 4.12E+0819484951426949 40768000254800 66.94752I1I2eitaBkesibeitaBlambdaYfaiBfaiB1327680008000000 0.4860280.60.838 119.4966 0.993959 0.76
5、12395.挠度验算挠度 mm v/L24.9661 320.43452Pao弯矩(Nm) 剪力(kN)490.15962500463354 336.9847梁高h500剪应力 176.9878 正应力1352.1305两台吊车(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B2a3P1设计值60003.767.32500300030003500500 55.84849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+2T2 ao51011.52.472124.7382314.4207 -385.714上翼缘B1 上翼缘t1 下翼缘B2
6、 下翼缘t2 腹板ho腹板tw螺孔位置ao孔径do300122001247689022Af1nAf2nAwnAn3072240038089280中和轴yn IxnWxn1Wxn2Iyn1Wyn1fy正应力1正应力2232.331 3.95E+0816992301474896 22723200151488235 205.9632 159.0564Af1Af2Aw面积A3600240038089808中和轴y IxWx1Wx2IyWyiy220.14684.2E+0819095221502127 35000000 233333.3 59.73705I1I2eitaBkesibeitaBlambdaYfaiBfaib1270000008000000 0.4342860.480.8164 100.4402 1.413668 0.847275挠度v/L6.965991 861.3276P2设计值 2P1+2P2ao弯矩M(Nm) 剪力V(kN)108.4292 328.5555 -395.118 234591.7 142.6414Mt10286.89梁高h500剪应力56.18752正应力1189.0853