QZ20桥式起重机桥架及大车运行机构设计论文

-$- . 11 0 . G . j, . jA . CGjA . ?CGj,462 . ?CGj,4 . ?CGj,62 . ?CG-,?r . -, . . ?r . 72|j,. *I?r . jPx . EF|j35,k?L. EF|j,. j,Px . 9EEEFP1j . |. +ej . 1+ej,)& . , . 1F|Lu) . 1C&L$ . ;Qh) . 1_=%& . f . 96E . E,P1 . ,. ,j(,. . ,j( . k,j( . ,. ,. . -$0W_. . ,d0W_. . ,jP1 . k?:5M,. 1G:6,5H:5M . ;-6,5H:5M,P1 . 254k,. 264.1kj(. 264.2k,. . 265 5 . 281CH?CGj_EF:F|,0/CGj0 1?CGj,K*TQ:,EF4|CEK*:,EF |0.,93$au6Y+X;M,0L$:F(=M,?CGj#+XXFo.1dC?CGj6j?CGj1?CGjHC+X?CGj9/?CGj08+?EF|jH54CE+wj?EF|j?E9G64Cwj5+ejf1%E4+eV1E5#5:1F1n;(?E_Cwj?EF|j1&,jFJhj:5CG|j,P?6jT02P+X0+ejVKPEPkEE02j6PkEE4+X0+e?CGXf+e80,980P?CGjjP5X7CG|j08+XZkEECWh+XEE,#LEEEZ&NG+wE5CGj,E9w063X4EE:,H5+a246j2+aiD1242+aTi12412J129EE+X_:F|:9EFCEF|52EJE,915q507q5156j!E12E12E1!E12_#G+X,0/*?a:;6,5HT,-$74?E35X:6,5H,4:,51+OEW 2E12E1-_+a:;6,5H=1y,k74?E35X:1,.E1+a0i6,5/Ti8?v=rq?5+a(wMq481L0L$5X:dqM08K*9C8JWv5-(Fj(W=r+jEEA+O07q52lE1+a(401L5Lj72F9(:9r700Zv,07qX:;dqMK*9CCG|j+eXG8JWFX-_Ej#G+X,0/?CGjk?G+X+eP08_X(j49FD/f,C,XD021C?CGj0 2?CGj54?CGlCD?+aJ,1+X:8F+e:8G:1C?E?E?E08X2,;6,5H:F|Q:,EFF|:;M,EFF|F/CGj22?CGjHC+X?CGjE0;(,8*5?CGlv?E:F9(!,jF5F/CGj,(&_+&4EQ 2k?9/2K(j:FJd#$&:FJd#F5K(Kk?E:F-?EF|6+E-1jY+XQ$-$:F$!w&F*nFKE:7Gj+XQj?E:9757?iK Q,(69Av+XA16&k!5-$EEAv:;vE?E+X&1Jj+Xd8&k?E:2(!6+X_16+E&?E+XC&p,CGj,*)WWQ,x)8K&L$7-,W(&)X+jxT_X?93$,E0;CGj,+X_-(n,X,oFWM&5?CGj_=95j,pG 20 O0CGj7,+O#GAWFFJ7C+XF7-FA-5-0;jj-Y#D(-(#(5-D*?fp1y(,M+X/K674jA-,J_!0F+|C0;j13L?W0H+,d0;?+e0;M;y0;_LJ*1yG-j-CGj,80L$jAj*32jH+091,jAj0;j|J4#G/l4EJ,=Xj:n/j*jW,+OXA-JFE0;CGj|J4+aMF$C:&O0k,.Dd-(0;,Q0,+Xg,6|J,49,*L2+O? QW?1J)Ev)X,MW+X/5/80;Q_,h+X1*6Q?:-()60;j2j|J,_Af+jk?EF|jCwj+e(j1y64F0Z_X|,T0EF:0+F|,Cwj+X-$?EF|j+X Z?Q4,95$0L$FE 5 1?CGj?Ek?+a?EF|jCwj?E9G64905 2?CGjk?+a|j6490L5p,|?+e:8/*?+e:8wj?E|j+e:8G&!+e:8?CGjj,F0!,jM,.;8,*A,?CGj_0/h?,9EF|,CGjJ+XjGEL$1yjp+XF(k?_F| ?CGj,|jF|5.4G6F|h5fG.M&.;,CGj F| m/4Cm0 m/?E0 6 10 A,?x|j,h,C63|08, 1.5,?|j,P? 235,5j( 3|j,5j( 45,863| 87.3 m/?EF| 4 rf,)0;*1,8#A .820;5A8.uj , P995$G.,5$5A8.uj P5.=A8.u,P5.=A8.uj A0,P3)2 151:F)?X 21:46+B,FB=A 2000+|2EFp,0bO?x|j,h,C63|08,101. .5,?|j,P?2. 35,5j(3. |j,5j(4. 5,863|j*?r_1. j?3WE2. G8?8FgCj353. Ek,EE9=J4. 5$j358*pVjPx*6j6PP?CGjh+X,D 93$w+X6P,xX6P,xEFp95,q?L$ 16E, 2E5, 3EK,.F9-(63+,X35|j,M&G&B#?& 1 j|j?j:,F|Q6A;PjM&G&X:,7-=q6.p1j,F,=._MF+ejEE,E0#E 2jAk,EE9BjM&k6|jB63)9,X#E9,K,&;F|j,?+X,0$T$,Kk63+ej#E|jf&Uhf+7-,+XEFp,A1.CGj,C=200D L=| 2j4jF|15)j 25CGj,=?E,j 0G+5p,VCGX6P,x. 1 |j1+ej 2f 3QE 46E 566E 7E 86E 9EE?EEp9.p/j,3E,00?E%E&,0 x 2 = 62 8002004 x=&0PL x 2 = 62804 u=&0?EP Lex 2 = u=40, ej4/1,4,0?D/ e=D?M+ 3 = 3 u=120300G+X B3f 00 809 18 EE,-$ D=500a 11 5EFj CGjC+9EEEFj&4T/PEE,j&Tj,P1R)z R=400&h 1 5 E+a 1 51=43+a 1 5=1m+EE,)zp.,3+ 1 5-5 m=132282650N 1P pP1Tj,P1“ 1K 1C 2C =0070=219450N ? 1K 4h 1 5K =EEEF,9xK , L=70EE-$1C 2C pP1 FA1 Q+G K+*d/2+a 3 00E,Ej 7520 EF,wlj 100+180 /2=140mm+a 11 7 7%3+ K=E3+ =3+ =:?%E&,F|. Q=Q = =Q)=E(Q+G)( N + = 200000+225300h =| Q=Q =2)( =& Q=0 =Gh K+d/2=25300h =m Q=0 = Q=0 / =+kp+e)j 60m K =0/= m Q=Q%EF|&,M(P m Q=0 =2016N)m=2P+ej,ej)N=j =0 97= ej)+a 1 ) 11 30 +ej 6 15 =+ej,d=1+kp,#),1yx)25r = 23+a 1 25& +a 19CGjjp tq/+a 1. 8 r=1.3+a!. 35 Z i =N=EFOj 715? UL)|,Vi / i = / = /00%=M. Q=Q = K/0)( = u=|&M. Q=0 = K/0)0(m = 9675u=mM!1Q:6E,OE.(L+(=m j. :(=(L+(+(d =5 Nm%EC&L$ :t )( = )( n x x2/2 )()( = )3202(15u uuuu25300200000(_&L$ :t )0( )( n x x2/2 )()( = )3202(15 u uuuu&L$XAWn)C;) :N= /60 xxK ? j+j+)(/60 =18910225300200000 uu =|j ,N,u)81eC%,+aCGj+X ,u=63 ? =40000+163600=203600kEE03600EEf= ( )%,3+ uuuuu=uT+e_=J%2.u(1905 ,65F0 ,)2(6012/1EP ? 72700kEE /40000+72700=152700EE/+ej&0E_&L$/ u uu =26.4 uuuuu =u=% u(1905 ,65F0 ,)2(6012/1EP ? kEE/+2*72700=185400EE/ 1 (2)/-(5 uuuu =m)3,f) 11 15f. M=112Nm%+X&6f.B3f m;?6iPx ,!j,QX#E jQ:,