汽车液压升降尾板的设计

20063陕西理工学院学报Mar.2006221JournalofShaanxiUniversityofTechnologyVol.22No.1[]1673-2944(2006)01-0001-03汽车液压升降尾板的设计梁应选(,723003)[]介绍了汽车液压升降尾板的结构作用设计了汽车液压升降尾板的液压传动系统,对尾板举升臂进行了受力分析,计算了关门缸举升缸的负载;并给出了汽车液压升降尾板的设计原则[]汽车液压升降尾板;平行四杆机构;受力分析;设计原则[]TH242[]A:2005-11-15:(1968),,,,,,,,,,,,,,(),,(),,,,1图1液压升降尾板原理图1.11,,,,,,,,,,,,,,,6,,,,,,,,;图2液压系统原理图1.22,215,,,5,3YA,,114YA,5YA,,6YA,,103YA,(),,11,,6YA,,7YA,,9,,5YA4YA,7YA13,,,,,2132.1,,,图3机构简图,,,3,W,,,,,,,P=W/2(1+),,=2e/L0,L0,e,0.3~0.42.2,,,,,,,,,,,,,,BFb,A,:Fb=PL3/(h1sin)(1)(1):,A,L3,;,x90;,h12222.3,,,,,A,,:Fc=L1(Faxcos-Faysin)/L2sin(2)=arcsin(h1+h2)sin(-)L0L0=L22+(h1+h2)2-2L2(h1+h2)cos(-)Fax=PL3/h1Fay=P(1+L3ctg/h1),Fc,Fb,Fc,,Fc()W=1.8T,P=(W/2)*2=18kN.:H=1400mm;=45~135;=6.312;h1=120mm;h2=100mm;L1=900mm;L2=800mm;L3=600mm;P=18kN,:Fcmax=39.82kN;:Fbmax=63.74kN.3,,;;;,;,[][1].[M].:,1999.[2],.[M].:,2001.[3],.[J].2001,(1):30.DesignofthevehiclehydraulicpressureliftingandfallingthetailplateLIANGYing-xuan(Dept.ofI.E.ofShaanxiUniversityofTechnology,Hanzhong723000,China)Abstract:Thisarticleintroducesthestructureandfunctionofthevehiclehydraulicpressureliftingandfallingthetailplate,Itdesignsthehydrometerpressuretransmittingsystemofthevehicleliftingandfailingtailplate,andanalysisoftheforcesiscarriedoutonthetailplateandtheliftingbar.Theloadoftheshuttingandliftinghydrauliccylindersarecalculated.Andthedesigningprincipleofhydrometerpressureliftingandfailingtailplateisintroducedaswell.Keywords:vehiclehydraulicpressureliftingandfallingthetailplate;organizationofparallelfourpoles;forceanalysisTheprincipleofdesign31