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7HEAVYMACHINERYSCIENCEANDTECHNOLOGY85t(400080)85tTG333.7+1ATheDesignof85tPusherofChongqingSteelMediumPlatePlantChenWeixinAbstract:85tpusherofChongqingSteelmediumplateplanthasbeendetailedlydescribedinthreeaspectsoftypese-lectionplan,configurationdesignandstrengthcalculation.TheracktypepusherdesignedbyChongqingSteelisingoodcondition.Aswellastheissueswhichshouldbepaidattentiontoduringthedesign,manufacture,installationandapplicationhavebeendescribed.Keywords:pusher,racktype,pushrod,gearrack85t2#3#4#120t112.122007021419698(a)-(b)2a3----2ba-b-2b2.2-2.2.1-41=1+2+121+221223+422(1)2=1+1221122+32+4+2(2)=20°y=xtg20°0.36411232XX4GN20°Py121124/22121+2212=311q=221+212+22232322=22122322232434212+22223221222+21122+2324y11N=y2x2y22N=yx21y2yx=01N=y=0.3642N=0x=21N=02N=y=0.364x=2/21N=2N=y/2=0.182x=0~21N2N59HEAVYMACHINERYSCIENCEANDTECHNOLOGY51N1y20y111x2/25AB0.3640X1N2N20.5N20.3641N2N30t30t50tx=2121252.2.240Cr610121=12=0.437SiMn2MoV35CrMo3.140/YZR=/kWkN=85×9.81=833.85kNm/s0.188m/sk=1.5100.9116.121kWYZR355L2=120kW=588r/minS4-150/c=25%3.2=12.1311lim12511=12=2.61N·m11/2=1/2=5003.1N·m11=2.48limlim=260N/mm2dd=0.8=12.132.6×5003.1×2.48260×122×0.8=31908=43.68=50mm1=600mm=d×1=0.8×600=480mm=500mm3.3=833.85kN=50mm=500mm1=12=0.41=600mm37iMn2MoV240HBS=50mm=520mm2=2835CrMo220HBS3.3.1F1F2F=t//AvFFtt==833850NAA=1.25vv=1.05FF=0.88/=1.03FF1=2.48F2=2.063=1F1=98.41N/mm2F2=F1F2/F1=81.86N/mm23.3.2Flim1Flim2Flim1=Flim1111Flim2=Flim22221=12=11=1.172=1.041=0.852=0.85FlimFlim1=260N/mm2Flim2=255N/mm2Flim1=258.57N/mm2Flim2=225.42N/mm23.3.3FminFmin=1.51=Flim1/1=2.631.52=2/2=2.751.54.164.2=kNt=116.6t=0.61.2=9.81m/s2=1.2×0.6×116.6×9.81=823.6kN=83.95t=85t=833.85kN4.330mm60mm=0.050.1m/s100mm300mm=0.10.12m/s500mm=0.15m/s=0.18811HEAVYMACHINERYSCIENCEANDTECHNOLOGYm/s4.402.8m2.80.90.053.75m4.24m4.5ZG270-50044.635CrMo8=520mm5500mm220HBS4.74#3#2#[1].21982.[2].:1979.690°33.2.3PIPIPI(8)53.2.4