某型大客车车身骨架轻量化设计

2006(28)4AutomotiveEngineering2006(Vol.28)No.420060862005412,2005691,1,2,2,2(11,230009;21,230051)[],,:,,,LightweightDesignforBusBodyFrameTanJijin1,ZhangDaisheng1,XiongLiangping2,XuZhihan2&GuoZhiyong211SchoolofMechanicalandAutomotiveEngineering,HefeiUniversityofTechnology,Hefei23000921AnhuiAnkaiAutomobileCo.,Ltd.,Hefei230051[Abstract]Afiniteelementmodelforthebusbodyframeisestablished,andthecalculationformulasforcrosssectionaregiven.Basedonthese,themodelingmethodbybusassembliesandthebusbodydesignmethod,inwhichthecrosssectionisdeterminedbyinnerforce,areproposedwithaspecificdesigncasegiven.Keywords:Busbodyframe,Finiteelementmodel,Designmethod,Lightweightdesign1,[1],[2-3],,,,,,,:,,,,,,,2211,,,,,(1),,99(2),,,ANSYS,2006(Vol.28)No.4,:39512,,,,,,3,43,,4,,212(),(+)/,,,[4]213,,,,,,,,(1),Excel,Excel,((1))=(N/A)(My/Wy)(Mz/Wz)[]=(QSz/Izt)[](1)3962006(28)4NQMyMzyz,A,WyWzyz,Izz,Sz,HBt,A=2t(H+B)I=tH36(3BH+1)W=tH23(3BH+1)(2),,(1);,;,(2),,,,,22,,34,3411/MPa/MPa/mm/mm14412681062101052459981831319391621219125210166913011391676111104302351158212465173014251145663820165511606312351151015916444415421144918411241292313886162418124144583423130531170738101962110981821082147331073508351154617657230916291110581381165141171088(3),,214,(1),(2mm),2,115%,416%,,(5mm)2/()/()K/(kNm)()-1017130177301922481387017470182301908461131215,3(),,,,0131154Hz,,,,,,,,3/Hz/Hz/Hz/Hz181308160614178151752818491927151491616631016911130816134161834121501314491714118195513161151111019158201062006(Vol.28)No.4,:397,,,,,,,,,,,,4,,,,,,,,,120,,36MPa,10MPa,,(4,2MPa),,4MPa468101820323436-6172-31995104-2152-1819-20179-4141-914517143-5188-31154141-1189-1214-14149-5125-910318127404244465280909498-1716-816161933136-31572194-21941117610192-1718-1216051671310-3157-3146219412160131023,,,55mm5040260403404011550402;35352(5035235352);5035260352,Z,;5040250302403023030240301153030115;,4030240202;4030240301151#4#40403404027#9#403024030115;6#6#4040240401157#8#,,2115(404024030240202)3#8040680404,1151151#,403011540302;2#4040340302;4030240301151151#4040240302,6040,7#8#704036040360403704034#5#1004038040354,,4061208(389)2006(Vol.28)No.4,:CA4GE3389,BOOST470mm270mm;3814mm3513mm,,,415,,,,,,,4CA4GE3,,,1-3-4-2,14,23,,BOOST,210(1)360(4)mm,3436mm,[5],CA4GE3,5%10%45CA4GE3CA4GE,,,[1].[M].,.:,1981.[2].[M].:,1995.[3].()[M].:,2004.[4],.[M].:,1981.[5].[M].:,1995.(397),490kg,,4,,,,,,[1].[M].:,2005.[2],,.[J].,2003(4).[3],,.[J].,2005(1).[4],.[J].,1997(5).