CM8060門機輪壓穩(wěn)定性計算書

1、cm8060門機輪壓穩(wěn)定性計算書calculation sheet for stabilityand wheel load計算design： 審核check ： ymc2006.06目錄 index1總體性能參數(shù) main technical parameters2各部分重量 、重心位置計算table of weight and gravity center3風載荷計算 wind load calculation4抗傾覆穩(wěn)定性校核 check for stablity5支承反力與輪壓計算calculation of wheel load and corner load1.總體性能參數(shù) main

2、 spec1.1.起重量:hoist capacity主鉤80t40mmain hook40t56m副鉤15t60maux.hook1.2.起升高度:lift height主吊鉤:軌面以上50mmain hookabove rail軌面以下5mbelow rail副吊鉤:軌面以上50maux. hookabove rail軌面以下5mbelow rail1.3.變幅幅度:luffing radius主鉤最小幅度:20mmain hookmin. outreach最大幅度:56mmax. outreach副鉤最小幅度:23maux.hookmin. outreach最大幅度:60mmax. ou

3、treach1.4.機構速度:主鉤起升:0.66m/minworking speedhoist for main hook副鉤起升:220m/minhoist for aux. hook變幅機構:15m/minluffing speed旋轉機構:0.33rpmslewing speed行走機構:330m/mingantry speed1.5.軌距 rail gauge10.5m 基距: wheel base15m1.6.門架凈高: portal clearance8m1.7.機房尾徑: tail radius0 pass4.2.2工況2:滿載向前側軌傾覆40t-56mcase 2:full l

4、oad overturning along one railsm=0.95mg-1.5mq3 =0.95*g*l-1.5*pq3*l872.1tmif sm0 pass4.2.3工況3:滿載向前側軌傾覆,80t-40mcase 3:full load overturning along one rail附加變幅水平載荷mh及風載荷mw(風沿臂架方向)with additional swaying load mh and wind load (wind along jib)sm=0.95mg-1.35mq1-mh-mw =0.95*g*l-1.35*pq1*l-ph*h-mw307.4tmif

5、sm0 pass4.2.4工況4:滿載向前側軌傾覆,40t-56mcase 4:full load overturning along one rail附加變幅水平載荷mh及風載荷mw(風沿臂架方向)with additional swaying load mh and wind load (wind along jib)sm=0.95mg-1.35mq3-mh-mw =0.95*g*l-1.35*pq3*l-ph*h-mw959.6tmif sm0 pass4.2.5工況5:非工作狀態(tài),40m幅度,向后側軌傾覆,case 5:non working wind load, 40m radius

6、, overturning along back rail(風沿臂架方向向后吹)wind blowing backwordsm=0.95mg-1.1mw =0.95*g*l-1.1*mw2140.7tmif sm0 pass4.2.7工況7:滿載,向垂直軌道方向邊傾覆,80t-40m附加大車水平力矩mh(風沿軌道方向吹, 臂架垂直軌道)整機重 g:772.3t大車起制動加速度 a:取6秒加速時間0.083m/s*s整機重心高度 h=23.60msm=0.95mg-1.35mq-mh-mw =0.95*g*l-1.35*pq*l-g*a*h-mw1994.9tmif sm0 合格4.2.8工況8

7、:滿載,向垂直軌道方向邊傾覆,40t-56m附加大車水平力矩mh(風沿軌道方向吹, 臂架垂直軌道)整機重 g:731.5t大車起制動加速度 a:0.0833m/s*s滿載45t-13m,整機重心高度 h=20.10msm=0.95mg-1.35mq-mh-mw =0.95*g*l-1.35*pq*l-g*a*h-mw2502.02tmif sm0 合格4.2.9工況9:空載最小幅度,向垂直軌道方向邊傾覆,附加大車水平力矩mh(風沿軌道方向吹, 臂架垂直軌道)整機重 g:702.0t大車起制動加速度 a:0.0833m/s*s整機重心高度 h=19.41msm=0.95mg-mh-mw =0.9

8、5*g*l-g*a*h-mw3323.87tmif sm0 合格5支承反力與輪壓計算. calculation of wheel load and corner loadx5.1計算假設: supposing鉸接支架,柱式回轉支承bching frame, cylindrical bearingy軸為垂直軌道方向 axle perpendicular to railyx軸為平行于軌道方向axle along railad5.2支承反力計算公式: calculation formular非回轉部分自重 dl of non slewing part g1=252.9t回轉部分自重(含吊重) dl

9、for slewing (with ll)g2=t回轉部分自重(不含吊重)dl for slewing (without ll)g3=449.2t軌距rail gaugel=10.5m基距wheel baseb=15m臂架與x軸間夾角 angle between jib and x axlea= 回轉部分重力距 moment caused by dl of slewing partme=tm水平慣性力矩 horizontal inertial forcemh= ph*htm吊重平均較高高度 average lift heighth=20m工作最大偏擺角 max. working sway an

10、gle of the load4deg風阻力矩wind loadmw=tm回轉部分組合力距 combined moment of slewing partm=me+mh+mwtm回轉合力距在x軸的分力矩 combined moment along x axlemx=m*sin(a)tm回轉合力距在y軸的分力矩combined moment along x axlemy=m*cos(a)tm整機各支點支反力: corner load va=g1/4+g2*(1-2*t/l)/4+mx*(1-2*t/l)/(2*b)-my/(2*l)tvb=g1/4+g2*(1-2*t/l)/4+mx*(1-2*

11、t/l)/(2*b)+my/(2*l)tvc=g1/4+g2*(1-2*t/l)/4-mx*(1-2*t/l)/(2*b)+my/(2*l)tvd=g1/4+g2*(1-2*t/l)/4-mx*(1-2*t/l)/(2*b)-my/(2*l)tdl=dead load; ll=live loadmax wheel load41.405.3各工況支反力,輪壓 calculation of corner load and wheel load5.3.1滿載,臂架處于最不利位置80t-40mfull load, jib in the most unfaverabl angle此時的d點壓力最大,令d

12、vb/da=0,解得a=arctg(l+2*t)/b)時vb達到最大值jib perpendicular to the portal diagonal a=arctg(l+2*t)/b) the corner load will be max.臂架與x軸間夾角 angle between jib and x axlea=arctg(l+2*t)/b)35 回轉部分組合力距 combined moment of slewing partme=2258.5tm風阻力矩wind loadmw=125.4tm回轉部分組合力距 combined moment of slewing partm=me+mh

13、+mw2376.7tm回轉合力距在x軸的分力矩 combined moment along x axlemx=m*sin(a)1362.9tm回轉合力距在y軸的分力矩combined moment along x axlemy=m*cos(a)1947.0tm整機各支點支反力: corner load va=g1/4+g2/4+mx/(2*b)-my/(2*l)=145.8tvb=g1/4+g2/4+mx/(2*b)+my/(2*l)=331.2tvc=g1/4+g2/4-mx/(2*b)+my/(2*l)=240tvd=g1/4+g2/4-mx/(2*b)-my/(2*l)=54.9t整機各

14、支點支反力: corner load pa=va/wheel no. per corner=18.22tpb=vb/wheel no. per corner=41.40tpc=vc/wheel no. per corner=30.04tpd=vd/wheel no. per corner=6.87t5.3.2滿載,臂架處于最不利位置40t-56mfull load, jib in the most unfaverabl angle此時d點壓力最大,令dvb/da=0,解得a=arctg(l+2*t)/b)時vb達到最大值jib perpendicular to the portal diago

15、nal a=arctg(l+2*t)/b) the corner load will be max.臂架與x軸間夾角 angle between jib and x axlea=arctg(l+2*t)/b)35.0 回轉部分組合力距 combined moment of slewing partme=1747.0tm風阻力矩wind loadmw=64.4tm回轉部分組合力距 combined moment of slewing partm=me+mh+mw1867.3tm回轉合力距在x軸的分力矩 combined moment along x axlemx=m*sin(a)1070.8tm回轉合力距在y軸的分力矩combined moment along x axlemy=m*cos(a)1529.7tm整機各支點支反力: corner load va=g1/4+g2/4+mx/(2*b)-my/(2*l)=145.72tvb=g1/4+g2/4+