设备吊耳计算书

Project:项目Subject:主题名称Job/Bidno.:招标编Date:日期14-Mar-15Rev.:0Sheet:2/3CalculationforLug计算凸耳Refernence:AISC1.Liftingcondition:起吊条件Inliftingcondition,followingloadarecondidered:在吊装情况下，下面的负载是被考虑的Totalweightofskid:橇块的总重量7.10KNMax.tiltdegreeinlifting:最大倾斜的升降度5.00degree度Dynamicloadfactor(n)动态负载系数(n)2.00Perpendicularloadoflugs:凸耳的垂直载荷0.052.Liftinglugcalculation(refertoDWG-MA-002.000)吊Dryweightofskid,干重的橇W=7.10KNLiftinglugradius,吊耳半径R=50.00mmDiameteroflughole,耳孔直径d=54.00mmDiameterofpin,销直径,dp=100.00mmThicknessoflug,吊耳板厚t=20.00mmHeightoflug,凸耳高度h=70.00mmMaterialoflug材质Q235-BAreaavailable:可用范围Shear吊耳横截面面积As=2*[(R-d/2)*t]=920.00mm²Tension净拉伸面积At=2*[(R-d/2)*t]=920.00mm²Bearing销表面积Ab=0.9dp*t=1800.00mm²YidldStrength:屈服强度应力Fy=235.00MpaAllowableonLug:允许对吊耳Tension:张或拉应力ft=0.45Fy=105.75MpaBending:许用应力fc=0.66Fy=155.10MpaShearinLug:切变凸耳fs=0.4Fy=94.00MpaBearing:承载应力fb=0.9Fy=211.50MpaAllowstressofweld,允许应力焊缝f=0.4Fy=94.00MpaSafeloadoflug:吊耳的安全负Shear剪切应力Fs'=As*fs=86480.00NTension张或拉应力Ft'=At*ft=97290.00NBearing承载应力Fb'=Ab*fb=380700.00NImpactfactorperspeces影响因子/规范4Thelargestloadonone最大的负荷F'=Wn/4/sin(60)=4099.31Nlugis:here:Considering5degreetiltin考虑5度倾斜F=F'*1.05=4304.27N天津祥泰石油工程技术服务有限公司Project:Subject:Job/Bidno.:Date:14-Mar-15Rev.:0Sheet:3/3lifting,thedesignloadis,起重,设计负载为,(F.O.S.)s=Fs'/F=20.094ok(F.O.S.)t=Ft'/F=22.604ok(F.O.S.)b=Fb'/F=88.454okFilletweldallowablestress角焊缝许用应力fw=0.49f=46.06Selectfilletweldsize,选择角焊缝W=10.00mmMin.lengthoffilletweld,最小角L=F/(fw*0.707*w)=13.22mmActuallengthoffilletweld,实际La=(70*2+100)240mmThereforetheweldissatisfied.因此,焊接满足要求。2.DIAGRAM天津祥泰石油工程技术服务有限公司