8412018( )11 1 y A l,x 5FAl B CxD1 2 2 2 A=20cm2F=50kN73 3 BA E l71 450A 3 B F F23 424 =1.6mm b=4.5mm 4504 =450MPa 100%F 85 5 a=b=12cm h=7cm c=4.5cm F=40kN8F a c FF b h h56 6 n=960r/minA PA=27.5KW B C PB=20KW PC=7.5KW8MeBMeCB MeAA C6 7 Wp108 7 y Iy83zq0hO y A C Bb l/2 l/27 8 9 8 710 9 10q M=qa2Fa/2 C D E BF=qa aa/2 aA B A R9 1011 10 1012 11 b A h 3hF 12F L qh h1A 3h A B h2B11 1213 h1/h2=1/24q 12 121014 AC 13 B BD AC EIBD EA C 10Dh EA CMeEI B 25A C A 300l a13 1415 14 =30MPa =15MPaE=200MPa =0.3 AC 1016 =5 10-427.5MPa E=200GPa 0.31017 15 l EI B F Me10F MeA B15
