[毕业设计精品]拦焦车部分液压系统设计

学生课程设计（论文）题目拦焦车部分液压系统设计学生姓名学号所在院系机电工程学院专业机械设计机械电子班级机械电子班指导教师职称副教授09年6月29日教务处制课程设计（论文）指导教师成绩评定表A1A0A2A3A0A2A5A4A6A0A5A4A4A8A9A4A5A7A10A11A5A7A12A13A14A152001A16A17A18A19A20A21A22A23A24A25A26A27A28A29A30A31A32A33A27A34A35A36A37A38A39A40A28A29A41A42A4302A44A45A46A47A48A49A50A51A52A53A54A55A56A57A55A56A58A59A60A61A56A62A63A64A65A54A66A67A68A69A70A71A72A73A74A75A76A35A77A38A78A79A4303A80A81A82A83A84A51A85A86A87A88A89A90A91A92A38A93A94A27A28A29A95A96A88A43A97A98A99A1003504A101A102A103A104A105A106A107A97A98A108A109A110A111A112A113A40A114A115A116A117A110A118A119A120A72A121A122A54A123A124A125A27A110A126A127A128A129A54A55A130A131A27A110A132A73A125A133A134A129A135A136A137A27A138A139A35A140A141A38A142A135A4305A143A104A144A145A107A97A98A146A110A147A148A58A59A149A77A60A61A116A150A151A152A153A154A155A156A110A157A139A158A159A37A160A135A161A73A125A38A54A162A163A164A156A35A165A166A56A167A28A23A168A169A170A171A70A71A172A114A115A38A110A33A4306A173A174A175A46A176A177A97A98A178A179A180A107A173A174A97A98A146A110A126A127A75A76A54A55A163A164A27A147A148A133A134A181A182A183A181A56A154A57A56A184A29A67A54A55A28A29A27A130A131A126A127A56A185A186A156A155A187A188A189A190A191A56A89A192A4307A174A193A194A174A193A195A143A104A97A98A146A34A35A159A196A38A130A131A111A197A72A128A129A110A33A156A110A111A112A76A197A198A133A134A199A79A200A166A56A167A28A56A128A129A116A201A202A75A76A67A4308A203A174A193A204A46A176A205A206A107A207A208A97A98A175A101A102A207A208A97A98A48A209A210A211A212A207A208A97A98A177A108A109A34A35A159A196A38A130A131A165A166A56A136A137A56A128A129A56A213A214A38A110A33A43A215A206A216A844509A217A218A175A204A218A219A177A216A84A48A220A221A48A173A174A175A222A144A177A223A224A225A226A227A146A228A214A229A230A231A149A77A91A232A233A91A92A234A235A156A91A232A236A228A214A229A60A237A238A239A240A234A235A4310A173A174A241A242A243A175A222A144A177A216A84A244A109A213A161A245A246A89A192A27A35A247A121A156A148A135A126A127A27A135A161A248A136A27A142A135A249A250A214A129A156A54A55A126A127A27A136A137A128A129A39A40A4311A251A252A108A109A132A253A254A28A29A35A255A133A233A86A0A27A233A35A147A149A247A121A43A20A1A20A1A22A23A24A25A5A26A70A2A3A4A6A7A76A77A78A80目录摘要11设计要求22工况分析3A27A8A9A29A10A11A12A13A14A29A10A11A12A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A19A27A8A27A34A15A13A14A34A15A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A19A27A8A19A29A10A13A14A29A10A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A363确定液压缸的参数5A19A8A9A37A16A17A18A21A28A30A18A31A37A16A17A18A28A30A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A32A19A8A27A27A45A45A46A33A17A18A21A35A38A39A40A17A18A21A35A39A40A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A324拟定液压系统原理图8A36A8A9A9A45A45A16A41A42A43A44A47A42A43A44A47A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A57A36A8A27A8A17A18A44A47A48A49A50A17A18A44A47A49A50A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A515液压元件的选择11A32A8A9A17A18A52A48A16A41A17A18A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A9A32A8A27A62A53A54A55A56A58A59A54A55A48A16A41A62A53A54A55A58A59A54A55A48A16A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A27A32A8A19A69A60A48A16A41A69A60A48A16A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A19A32A8A36A69A61A48A69A61A46A33A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A366管路的设计15A63A8A9A60A47A48A64A65A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A327液压系统性能的验算15A66A8A9A74A33A67A68A18A31A71A72A73A75A79A18A31A62A48A81A82A83A74A33A67A68A72A73A75A79A48A81A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A9A32A84A85A87A85A87A88A89A90A91A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A87A92A84A85A87A85A93A94A89A90A91A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A87A92A84A85A87A85A95A94A96A90A91A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A87A97A84A85A87A85A98A88A96A90A91A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A85A87A97A66A8A27A69A17A99A100A74A33A99A100A74A33A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A518油箱的设计20A57A8A9A69A61A48A30A101A69A61A48A30A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A51A57A8A27A16A41A69A61A48A102A53A48A102A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A9A57A8A19A103A104A103A104A103A104A105A105A61A106A56A61A106A54A55A48A107A46A56A61A107A46A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A9A57A8A36A61A103A105A108A109A110A105A111A112A111A112A105A17A113A46A48A107A46A107A46A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A27A57A8A32A61A114A114A105A105A115A69A116A56A117A118A48A107A46A117A118A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A27A57A8A63A69A61A119A120A121A56A122A123A124A48A107A65A69A61A119A120A56A122A123A124A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A27A57A8A66A69A61A48A125A64A126A48A127A128A69A61A48A127A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A8A27A19参考文献23致谢24A129A130A131A132A133A134A135A136A137A138A139A1401摘要液压传动的优点很多在同等的体积下，液压装置能比电气产生更大的动力；液压装置工作比较平稳；液压装置能在大范围内实现无级调速，它还可以在运转中进行调速；液压传动易于对液体压力、流量或流动方向进行调节或控制；液压装置易于实现过载保护；液压元件实现了标准化、系列化和通用化；用液压传动实现直线运动比用机械传动简单。【关键词】液压元件液压回路液压缸辅助装置动作循环系统原理图A141A142A143A144A145A146A147A148A150A151A152A153A154A15521设计要求拦焦车部分液压系统设计设计一台拦焦车的卸炉门的部分单缸液压系统，要求该系统能够实现单缸快进慢进停留（保压）（卸压）慢退快退原位停止液压泵卸荷。其中停留时间滑台采用燕尾形导轨，加,减速时间均为01秒。给定条件如下表完成设计计算，拟定系统方案，确定系统方案，确定各液压原件的型号及尺寸，设计液压缸A15611A157A158A159A160参数炉门的重量（KG）滑台的滑块重量（KG）快速上升下降慢速上升下降停留时间MIN行程（MM）速度大于（CM/MIN）行程（MM）速度大于（MM/MIN）6480380180422062A161A162A163A164A165A166A167A168A169A170A171A172A173A17432工况分析21运动过程分析液压缸需实现动作快进慢进停留慢退快退液压泵卸荷动作循环图A17511A176A177A178A179A18022负载分析1工作负载FMA181GMA182G480A183G28G178A184G2280G104G28G17884G218G492G5827G5627负载FA185MA186A187A188A189A188A190G2280G1040G174G210G17G20G104G250G21G25G17G25G49A19121A192A193A194A195A196A197A198A199A200A201A202A203A204A205A206A207A208NA209工G1929负载G13464G6116液压缸负载FG18G49液压缸G6524力/MFG17227动FG80G21GG22G26G2144G20G228G2164速FG80G21GFA210G22G26G240G17G254G20G25G26快进FG80G21GG22G26G214G22G26G210慢进G20FG80G21GG22G26G2144G20G228慢进G21FG80G21GG80G20G84G218G28G22G254停留保压FG80G21GG80G20G84G218G28G22G254慢G17876G20FG80G21GG80G20G84G218G28G22G254A211A212A213A214A215A216A205A217A218A209A197A219A220A2214慢G17876G21FG80G21GG22G26G2144G20G228快G17876FG80G21GG22G26G2144G20G228A222A2081A192A193A194A201A223A224A225A226A22709MA2282A229A230A231A232A233A234A235A236A237A238A233A239A201A198A240A22823运动分析负载图G6365上G19766数G1552G13484制，G3926图G980G6164G12046。速度图G6365G5062G11705数G1552V1042M/MIN,V20006M/MIN,快进行程L1180MM,慢进行程L220MM图21负载FLVL图A241A242A243A244A245A246A247A248A249A250A251A252A253A254A255A136A0A153确定液压缸的参数31初选液压缸工作压力G6164G16786G16757的动力滑台在慢进时负载G7380大，在G1866它工G1929负载G18129G993G3838G20652，参G13783G15932G22G16G20和G1593232G2033G17885液压缸的工作压力G51A2G22G48G51G68A3A91A138A83A139A4A5A6A7A8A9A10A11负载G18G46G49G31G24G24G97G200G200G97G210G210G97G220G220G97G240G33G240工作压力G18G48G51G68G310G178G97G20G20G17G24G97G21G21G17G24G97G22G22G9744G97G24G305G24A3A91A138A89A115A12A13A14A15A16A17A18A19A8A9A10A1132计算液压缸主要尺寸G18504于动力滑台快进和快G17876速度G11468等，G17837G18336的液压缸可G17885用单G8975G3634G7450G5347G5058动液压缸（AA20G21AA21），G1284G12651G141G830G17G24G48G51G15快进时液压缸G5058动G17842G6521。液压缸的回G8845G14120G5224G7389G13984压，参G13783G15932G24G17885G8504G13984压G1038PA210G178G48G51G68。A3A91A138A91A144A22A23A24A25A10A11系统G12879G3423G13984压力G18G48G51G68简单系统或G17743载节流调速系统0G17G21G970G17G24回G8845路G5114调速G19412的系统0G174G970G17G25机械G12879G3423机G5214G1904G1006机械G4579G3423工程机械G5326G12581机械液压G2003G4733机液压机大中G3423G6378G6508机重G3423机械G17227重运G17767机械G11964G5214G13464G2524机G5214G21869门G2044G5214G6301G5214工作压力G18G48G51G680G178G97G21G22G97G24G21G9788G97G200G200G97G208G210G97G22G21A95A26A27A28A29A30A34A60A31A36A32A33A35A10A37A17A38A396回G8845路G16786置G7389G13984压G19412的系统0G17G24G97G20G17G24用G15929G8845G8905的G19393G5347回路0G178G97G20G17G24回G8845路较G3809G7446的工程机械G20G17G21G97G22回G8845路较G11713G1000直G6521回G8845可G5585G11065G993G16757G11013G5347G5483G29AA40FG168G80G11G51A2G16G51A41G21G1284G2180G17G28G104G11G22G160G17G24G21G12G22G1740G24G104A83A42A43A44A150A45G2029G8975G3634直G5464G394AA40G1774G104G22G1740G24G104G200A43A44G22G17G204G25G24G80G80G13783G7609G15932G25G2462G15932G26，G5483D0G17G26G20D4G25G17G20G24G80G80，G3290G6984G2530G2474标准数G1552G5483D80G80G80，DG240G80G80。A3A91A138A94A139A8A9A10A11A6A46A47A48A49工作压力G18G48G51G68G304G24G170G24G170G97G26G170G305G26G170D/D0G17G24G970G17G24G240G17G25G21G970G17G2600G17G26A3A91A138A151A139A50A51A52A53A32A33A47A48A49G11013G8504G8726G5483液压缸G1016G14120的实G19481G7389G6940G19766积G1038AA40G177G104G39A454G22G17G204G1040G1708A454G24A107A83A42A43A44A150A45AA45G177G104G11G39A45G16G71A45G124G22A107A83A42A43A44A150A45根据G16757G12651出的液压缸的尺寸，可G1284G12651出液压缸在工作循环中各阶段的压力、流量和功率，G3926G159328G6164列，G11013G8504G13484制的液压缸工G1929图G3926图G22G6164G12046A54G18A55G20G17G20G24G20G17G21G24G20G17G22G22G20G174G25G20G17G25G20G21D/D0G17G220G1740G17G240G17G24G240G17G25G210G17G26G20A95A26A27A28A29A30A34A60A31A36A32A33A35A10A37A17A38A397A3A91A138A154A35A10A37A111A115A56A57A17A10A11A58A155A59A61A62A63A64工G1929G6524力FA65G18G49回G8845G14120压力PA54G18G48G51G68进G8845G14120压力PA55G18G48G51G68G17767入流量QG18LG17G80INA66A55G17767入功率PG18G46W快进启动4G20G228G21G170G26G2164速4G20G25G26PA55G141PG21G178G22恒速4G20G228PA55G141PG21G178G200G17840G170G22G28工进G204G20G2280G178G20G17G22G200G170G220G17G25G24G24工进G21G28G22G2540G178G21G17G22G240G170G22G20G17G20G26G24保压G28G22G2540G178G21G17G22G24G16G16G16G16G16G16G16慢G17876G20G28G22G2540G178G21G17G22G240G170G22G20G17G20G26G24慢G17876G214G20G228PA55G141PG21G178G200G170G220G170G22G28快G17876启动4G20G228G20G17G228G2164速4G20G25G260G178G21G17G21G21恒速4G20G2280G178G21G17G21G20G20G17G21G250G1704G25（G141PG1038液压缸G5058动G17842G6521时，回G8845口到进G8845口之间的压力损失，G2474G141P0G17G24G48G51G68。快G17876时，液压缸G7389G7450G14120进G8845，压力G1038PA55，无G7450G14120回G8845，压力G1038PA54。）A67A91A138A83A35A10A37A8A68A67A95A26A27A28A29A30A34A60A31A36A158A33A35A10A18A19A69A70A6784拟定液压系统原理图41选择基本回路首先G17885择调速回路，G11013G15932G22G16G25中的数据可G5483G11705，液压系统功率很G4579，滑快运动速度低，工作负载变化G4579，工作循环G1038快升、慢升、慢降、快降，可以采用进、出口调速回路的形G5347。G1038了解决进出口调速回路在快降结束时G11013于负载突然消失引G17227运动部件的前冲现象，回G8845路上要G16786置G13984压G19412，在下降过程中G13783虑到液压工作台和滑块自重，在进G8845路中G5224G16786置平衡G19412，因G8504G1866调速回路4G16G20G1038A71A72A73A74A75A76A77A78A79A80A81A82A84A85A86A87A88A90A92A93A96A97A719从工G1929图可以清楚地看出，在工作循环内，液压缸要G8726G8845源提供快升、慢升、慢降、快降行程的G7380大流量G1552并G993大，而快升、慢升G6164需时间21,TT分别G10382660420180111SVLT20060620222SVLTA161A9882520012TT因G8504从节能和节约G6116本的角度G13783虑，采用单个液压G8905就可以满足系统的工作要G8726，供G8845方案G3926图4G16G21G6164G12046A71A72A73A99G1866次是G17885择快速运动和换向回路。本系统G17885定液压缸G5058动G17842G6521实现快速运动，G13783虑到快速上升时间较G11713，而慢速上升时间较长，G17885用换向时间可调的电磁换向G19412G5347换向回路，以减G4579液压冲击，G11013于要实现液压回路的G5058动G17842G6521，在回路上安置G980个行程换向G19412，而在给液压缸G1016G14120供G8845方向换向时G6164G17885用的换向G19412G1038三位四通电磁换向G19412，G11013液压缸在慢速上升G2530需停留G24G80IN，G8504时将电磁G19412置中位、采用G48G3423三位换向G19412滑G19412工作位置机能，使系统在卸载时，缸G1016G14120封G19393、防止液压缸在工件和滑块自重下回降，G1866速度换向回路G3926图4G16G22G6164G12046的形G5347。A7143A75A76A77A78A79A80A81A82A84A85A86A87A88A90A92A93A96A97A71104G17G21G17液压回路的综合把上G19766G17885出的各种回路G13464G2524在G980G17227，就可以G5483到液压系统原理图，但G17837个系统在工作中要实现快升、快降，还G5224在进回G8845路上做G980些修改和G6984理G20）G1038实现液压缸的快进，需在进G8845路上调速G19412旁G16786置G980个单向G19412。G21）同理G1038实现液压缸的快G17876、在回G8845路上调速G19412旁G16786置G980个单向G19412和G980个二位二通行程控制G19412。G22）G1038保证在液压缸快速下降时滑台运动平稳G5627问题，在电液换向G19412出口处G16786置G13984压G19412。经过G6984理、修改G2530液压系统图G3926图4G164G6164G12046它在各个方G19766G18129比较G2524理、完善了。A71A72A73A72A75A76A77A78A79A80A81A82A84A85A88A90A100A101A102A103A104115液压元件的选择51液压泵的选择液压缸在G6984个工作循环中的G7380大工作压力G1038G21G178G22G48G51G68，G3926G2474进G8845路上的压力损失G1038G20G170AMPG15见液压传动G15932G20G20G164G11013液压G8905G7380大工作压力必须等于或超过液压执行元件G7380大工作压力G2462进G8845路上总压力损失之和，液压执行元件的G7380大工作压力G11013工G1929图G5483G11705，G2029液压G8905的G7380大工作压力G1038AAPMPMPP833018321液压G8905向液压缸提供的G7380大流量G1038G20G17G21G25LG18G80IN（见G15932八），若回路中的泄露G6365照液压缸G17767入流量的G210G1284G16757，G2029G8905的流量G1038MIN5121MIN26121LLQPA105A106A108A109A110A112A113A114A116A117A118A119A120A121A122A123A12412根据以上压力和流量是数G1552G7609阅产品样本，G7380G2530确定G17885G2474YBXG16AG13G49G3423变量G2506G10267G8905，液压G8905的G7380大G6502量G1038G29RMLV16，压力调定范围G1038G21G170G16G26G170AMPG15G20081定转速G1038G20G2400G85G18G80ING15G7380低转速G2500G85G18G80ING15G7380G20652转速G21000G85G18G80ING15若G2474液压G8905的G4493积G6940率G103890V，G6164以G5415G1866转速G1038G2800G85G18G80IN时，液压G8905的实G19481G17767出流量G1038MIN9612MIN9090010163LLQPG11013于液压缸在快升时的G17767入功率G7380大，G17837时液压G8905工作压力G1038G22G1784AMP，流量G1038G20G21G17G28G25MINL，G2474G8905的总G6940率810P，G2029液压G8905的G20549动电机的G6164需功率G1038KWWQPPPPP021810601096121083336A125A126根据G8504数G1552G6365G45BG18G558G2580G17G20G20G28G288，G7609阅电动机产品样本G17885G2474YG2000LG16G25G3423电动机，G1866G20081定功率G103815NPKW，G20081定转速MIN940RNN52阀类元件及辅助元件的选择根据G19412G12879G2462辅助元件G6164在的G8845路的G7380大工作压力和通过G16825元件的G7380大实G19481流量，可以G17885出G17837些液压元件的G3423G2507G2462G16280G7696见G1073，G15932中G5219G2507G994图4G164中标G2507G11468同。A127A128A129A129A130A130A131A132A133A134A135A137A140A141A132A133A135A137G5219G2507元件G2529G12228G1284G16757通过流量LG18G80ING20081定流量G18LG18G80ING20081定压力G18G48G51G68G20081定压降G18G48G51G68G3423G2507、G16280G7696G20变量G2506G10267G8905G20G21G17G28G25G22G1784YBXG16AG13G49G15RMLV16G21单向G194128G208G22G20G17G24G310G17G21G548AG24G210G180G22三位四通8G208G22G20G17G24G310G17G24G224G39G48G16G43G25BG16G55A142A143A145A146A147A148A149A152A153A156A157A159A160A162A163A164A1651353油管的选择各元件间G17842G6521G12661G17959的G16280G7696G6365元件G6521口处尺寸决定，液压缸进、出口G8845G12661G2029G6365G17767入、G6502出的G7380大流量G16757G12651G15G11013于液压G8905是G1867体G17885定之G2530液压缸在各个G993同阶段的进出流量G994原定G1552G993同、G6164以要G8726从G7044G16757G12651G17液压缸在各阶段的进、出流量G2462流速G15932G24G16G21A127A128A129A129A166A166A167A168A169A133A170A168A169A171A171A172A173A174A137A173A175A172A174A137流量流速快升慢升慢降快降G17767入流量LG18G80IN7832512110532111AAQAQPQ10030301Q84011PQQ电磁G19412G61G614调速G194120G17G248G204G170FG38G42G160G20G168G16G220G24单向G19412G26G20G26G22G20G17G24G310G17G21G548AG22G210G180G25单向G20046G5219平衡G19412G26G240G21G20G310G17G22G43G38G420G22BG20G21G21G26行程G19412G25G250G254WG48G53G25AG240BG18G240BG2008调速G194120G17G248G20G1740FG38G420G22G168G16G220G28单向G19412G25G200G22G20G17G24G310G17G21G54G25AG20G210G180G200行程G19412G24G250G25G310G17G224WG48G53G25AG240BG18G240BG200G20G20G13984压G19412G200G25G22G25G17G22G66G66FBFG22G38G16G200BG20G21液控G20046G5219G19412G200G210G22G310G17G22X4FG16LG210G40YG20G20G22过G9400G3132G20G22G21G24G20G17G25G310G170G21G61G56G16AG21G24G200G54A176A177A178A179A180A181A182A183A184A185A186A187A188A189A190A191A19214G6502出流量LG18G80IN27210578310333122AQAQ018010503010333122AQAQ05010303010533212AQAQ4110384010533212AQAQ运动速度G80G18G80IN9111021083333211AAQVP00601051003033112AQV006010501003043113AQV28010301084043214AQVG11013G15932G2325G6164G12046，G15932中数据G16840G7138液压缸快升、慢升、慢降、快降速度12,VVG994G16786G16757G1552G11468G1296，G17837G15932G7138G6164G17885液压G8905的G3423G2507、G16280G7696是G17878G4464的。G11013G15932八可G11705，G16825系统中G7380大压力G4579于G22G48G51G68，G8845G12661中流速G2474G20G17G24G794G22G80G18G80IN；G6164以G5415G8845液在压力G12661中流速G2474G20G17G24G80G18G80IN时，G6365G1856G5347（G26G16G28）2/DQVPI可G12651G5483G994液压缸无G7450G14120G11468G17842的G8845G12661内G5464分别G1038MMQD381360105114310783223621PIMMQD46460105114310840212362PIG17837G1016根G8845G12661G18129G6365G42BG18G55G22G25G22G28G15G42BG18G558G20G25G22G17885G20045用G3818G5464G20G24G80G80、内G5464G25G80G80的无G13553G19062G12661。54油箱的计算G8845G12677G4493积G6365（G26G168）G1856G5347PVQG1284G12651，G5415G2474G1038G26时，G8726G5483G1866G4493积G1038712969071/MINPQLA193A194A195A196A197A198A199A200A201A202A203A204A205A197A19815G5347中_PQ液压G8905的G20081定流量，单位LG18G80IN_G994压力G7389G1863的经G20576数据G6365G45BG18G26G28G228G16G20G28G28G28G16280定，G2474标准G1552VG2000L。6管路的设计61管路的配置在G8845G12677内回G8845G12661G994G2572G8845G12661分G5079在回G8845G8991和G2572G8845G8991，回G8845G12661G12483G2164工G6116G7409向G12677G3733的45G7024口，以G1427于G8845液通过G12677G3733向G3818传G9921，以G2045于G6967G9921。G8845G12661G12661口G5224在G8845液液G19766以下，G1866入口G5224G20652于G5225G19766G21G794G22G1505G12661G5464，但G993G5224G4579于G210G80G80，以G18003G1825G12366气或G8797积G10301的G2572入或G9163入。对泄G8845G12661G11013于G1866中通过的流量G980G14336较G4579，G1038防止泄G8845G19471力，G993G5224G6566入到液G19766以下。G2490G3818在G8845G12677的G15932G19766的通G4392处，要G3961善G4506封，G6164以在G6521口上G9950上G20652出G12677G20042G210G80G80的G1996台，以G1825G13512修时G12677G20042的G8757G10301G14865入G8845G12677。G11013上G11705回G8845G12661直G5464G2474上G17805用到G8845G12661的G7380大G12661G5464，内G5464G1038G210G80G80G15G3818G5464G1038G218G80G80。泄G8845G12661的尺寸G2474G1038和回G8845G12661尺寸G980样。G2572G8845G12661尺寸的确定G84A206A207100111MINMIN09PQLLVG2474G2572G8845G12661中G8845液的流速G1038G21G80G18G86。G2029G1393G1082上G1856G5347G26G28G548331111022MM343MM260QDPIPIA208A209G7609G17176G7021G5483，将G1866G2474G1856G12228直G5464G3290G6984G2474G7140G80G80G15G6937G7389G3818G5464G1038G240G80G80。7液压