50T起升机计算书2毕业论文.DOC

传动轴耐久安全系数效验n扭实际=）（扭容许nZK12起重量Gn（t）工作制度dcm1Kg/cm2Pkg/cm2K抗扭动WMkg/cm2K-kg/cm2n扭实际n扭3中级4.513203002.381666.1627503956.68（合格）1.865中级4.513203002.382256.1637305364.92（合格）1.86中级4.013203002.3812282.1114402909.1（合格）1.86重级4.513203002.382046.1633804855.44（合格）2.010中级4.513203002.382066.1634104905.38（合格）1.86重级3506.1658108853.16（合格）2.015中级5.513203002.517478.3053504356.06（合格）1.86重级50378.301550015602.09（合格）2.020中级5.513203002.517978.3055004485.90（合格）1.86重级51378.301580012832.06（合格）2.030中级6.513203002.54205.51126006124.32（合格）1.86重级4205.512160010502.51（合格）2.050中级6.513203002.52765.51142006903.8（合格）1.86重级3605.51185009002.9（合格）2.010中级4.513203002.3842056.16697010002.64（合格）1.86设计计算说明书第34页技术组共67页齿轮联轴器选择M计算（高速轴）=1.3M负载高M容许扭M静(低速轴)=S最大·（D卷+d绳）M容许扭起重量Gn（t）工作制度高速轴M负载高kg.m高速轴M计算kg.m高速轴联动器M容许扭kg.m绳索张力S最大kg低速轴M静低kg.m低速轴M计算kg.m所用联轴器容许扭矩M容许扭kg.m3中级5065320153063382219005中级65.58532012805296881900中级21.628.114012803985171900重级65.5853201280529688190010中级65.58532017807369571900重级121157320178073695715中级1101433202660137717905000重级29638532026601377179020中级1101433202720141018325000重级29638527201410183230中级24331686041002750358010000重级44257586041002750358050中级23030086055004240590015000重级30239386055004240590010中级9111832017806959051900设计计算说明书第35页技术组共67页吊钩尾部计算表起重量Gn(kg)吊钩自重G(kg)最小直径d尾(cm)螺距S(cm)螺纹外径d(cm)螺纹内径d(cm)许用挤压应力挤(kg/cm3)最小直径处拉应力许用拉应力尾(kg/cm2)螺母计算高度H=)d()(422内dSGGn实际螺母高度H实(cm)螺纹高L尾(cm)30005.673.00.43.63.083504255001.264.24.0500013.54.050.54.84.153901.576.75.11000031.35.50.66.45.624222.337.87.11500057.276.81.08.06.94153.348.97.92000088.67.61.29.07.74424.0410.08.33000016.379.61.211.09.74164.8912.411.350000329.5412.081.614.012.24426.1715.414.0备注1）、标准设计螺母实际高度近似相等于尾部螺纹实际高度。2）、以上表看出实际值大于计算值。设计计算说明书第36页技术组共67页吊钩水平断面、与垂直断面计算表起重量Gn（kg）断面面积F(cm2)钩口直径a(cm)重心位置L1(cm)系数K水平断面垂直断面许用应力钩(kg/cm2)最大应力水amx(kg/cm2)弯曲应力垂弯=2水(kg/cm2)切应力切=fGn2(kg/cm2)合成应力2223切垂弯（kg/cm2）300017.376.52.6540.080517386586.58781500500030.638.53.50.0857151075581.87681000057.2124.870.0874163081587.58281500087155.9940.0827167083586.384820000112.7176.90.0843171085588.986830000179218.6230.0866160080083.8813500002962711.150.0932159276984.4812备注用求积仪测得用图解法求得，详见附图40-46详见附图40-46说明：1）认为水平断面与垂直断面，大小形状均相同。2）水平断面应力超出许用值，最大15.3%3）水平断面最大应力可用公式水=aKFQ.21求得设计计算说明书第38页技术组共67页