汽车油箱成形机的液压系统设计

汽车油箱成形机的液压系统设计 ISSN1009-8984 CN22-1323/N ???5???2????????(???U?????w)2006???~7???~3?E J.ChangchunInst.Tech.(Nat.Sci.Edi),2006,Vol.7,No.3 11/27 33-35 ?????????6???y?????????????? ???E (???5???2?????y?F???2?????3???5130012) ????:?????????)???????????????6???y?????d ?????????????3?????????????????F?h???U?????? ???6?????????9rS ??????:?????????6???y; ?+???9???? ?????n?? :TH137 ????????;?F?h???? ???D?-???I::A :1009-8984(2006)03-0033-03 ???3???w?M?????e?8?;???????9???c?????3???,?M?? ???e?8?????????9???c???8?3?????e?8?????3?N?K?? ?/?C???????e?8??????rS ?y?????????3???????x?;rI?e?8?????????z???H ?????d??rS?~???=???????????????6???y???????d ???????????F????????????rS 1?????????6???y???? 2?????????6???y?????d?????????? ??1?y?6???y?????d????????rS?????+?3???? ?????????Y???????????????????3?1?????????O??rIn?y?????????O?3?x?;?O???y???j?????OrI ?????n???;?s?y?????????3?H?6???????C?3???~???H1QA-7QA?y???2????rS ?l?F?K?(?????e?8????rS?y???7???????????)????2.1?????????????????????? ?????6???yrS???y???H?????e?8???)?3??????1?=?????d?????????e?8?????????????y:?Om?x ?y???9rS???e?8???????x?H?x???C?3?:?4?????p???;~?O??????~?O??????~?OI????dc?O?????? ???x???????H?=???C?3?y???=?????????????y?y??~?OII????~?OII????de?OII????~?OII????~ ?d???3?M?=???F?y?s?????E???:???=??????rS?O??????~????????rI??? ???rS ?????=???M???????l?F?K???6rS?e?8???????32.2?F????rI???????F???? ???????? ?w?9?????F?K?[?H?x???????p???+?3???9?????[?C?F????rI???????F?? ??????????????1?3???+ ???x?;rS???????3?????M?=???:???????3?H???????3dT+de???y?s?F?3d T??de???y???FrS ??1?F????rI???????F???????????? ?F????rI???????F?? ?????2?? 1DT2DT3DT4DT6DT7DT8DTY7 ?????O?? ?????OI J ?? ?? rI dc ?? ?O rI ?? ?? rI ?? ?? rI r dc ?? rI ?? ?? ?? ?? rI ?? . rI ?????OII ?????Om ?x?; ???? ???? ???? ???? ???? ???? ???? ???? ???? ????rI?????? ?U?]???E:2006-05??18 ???0????:???E(1956,5-)?3?L(?W)?3???5?3?????? ?=???h???y???U?drI?????d??rS (???U?????w)2006,70) 2.3?????d???????????9???? ?6???y?????d???????????????D?Y?????????9 ?????3???????6?????????d?????????????)?????? ???3???????????????9???????(???2: 2.3.1?N?E???????? ?6???y???????3?e?8???????????E???Y?????? ???3?????????H?????????6?????f???N?????N???3?? ???f?N???q???????????)?3?????????e?8?H?????? ???[??????rS???????????N?E???????????O?????3 ???Y?????????O???3?????????????????4?????;?? ????rS???????3?H?N???????H?????f???????2?3?x?? ?e?8?????O???????C??????rI?b?????????????q?; ?)?????????????A?zrI???????B?;?????f???6???y ?e?8???3?E???????)?3?????E???/???j?Y?????E???B ???;???f?????????G?3?4?????H?N?E???????b?N?E ????rS?3?????????N???????e?8?H???3?????e?8?? ???O???E???B???;?3?H?N?E?????b?N?E?????????v ?C?4?H?????????b?N?E????rS 2.3.2???E???????????? ?e?8?????O???????????y????~????~????~ ?????3?Y?e?8??????????????rS???+?????Y?-?e?8 ???????E???????e?8?????3???????????Y?X?????7 ?????????3???????-?E???w??rS?????????????E?? ?????????s?3?x???9??rI?????3?7???4???????????? ???E????????rS???????????E???????????????Y?? ?6???????????;?????3?H?/???????????????????? ?2?3?????????y?????????E????rS?????3?????A?H?8 ?9?3?????d???w????rS 2.3.3???????????? ?????????6???y???????3?4???s???????????? ?+?????p???????????????????????3?????H???-?C ?????????n?????????WrS???????~?/???????F?? ?y?3?????b?Y?????F???y???????????4?5??????rS ?j?Y?????H???b???N???????2?????3???s?d?6???; ?????????M?3?????????A?z???3?;???2??rS?y?????? ?????????????C??????rS ?v?.?????3?Y?-???H???????g??????0?????I ????rS?7???Y???H???????????????H????0?????? ?2????rS????1?3???????O???????3?(???b??3???2 ???U??????????2???F????2DT?s?F?3??4?????? ???????3???b??3???????????O????;???????p???? ???????????????3??2?F????2DT???F?3??4?????? ??????(???y???I)?3???b??3???????;?3?????????? ????rS 2.3.4???????????? ?6???y?e?8???????3???????????x?;?3?h???f?x ?;?????E???/?????;?3???f???????????x?;?3???/?? ????????rS???????f?3??????????????rS????1?v ?y?3?????e?8?????x?;???M??????12?N???3?3?h?H ???????????B??rS?H??????12?(???????????7???3 ???P?????????????????3?????J?b?3???h?????????? ??rS :?????????6???y?????????????? ?y?????????????????????3???????????N???? ???????????????????????????q?3?????+???????g ?????????y1MPa(?+???????g???y0.5MPa)?3?:?u ???????/?????O????rS?~???????????????N?????? ????????????1MPa????rS?y???x?;?O?E?????E?N ???3?????????b?p???3?3?h???b?p???????H???????? ?????3???y?????????O???????3?4?7?????????w???? ?b???????3???b?p?????H?????3???????????????b?p ???N?????b?????E????rS?????+???????????????? ?????????????/?Y?Q?s?3???????????M???????z?A ?/?;rS ???C?????Y?????????=???????????9?????3?? ???=?????????6?????????????j???3?????y???v?3?? ?S???????????????????n?p???3?M???????6????1 ?v?y?????)???????????????6???y??????????rS 3?????????6???y?F?h???U???????? ??2?y???U??????rS???U?????F???p???????F ?p????????20 ?????+?3????rI?????1???,?3?3?h?F?y???????A?H?? ???F???????????????3???+???Q?F?y???G???????? ???3?????Q?F?y??????????rS ?F?h???U???????????????????9:?8?C?=???? 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QT 1FTU-4FU IKM 2KM 1KT,2KT 1M 2M T 1H,2H,3H EL S SB ISB 2SB 3SB 4SB 1KA,2KA,3KA 4KA-IOKA 1DT-8DT YI IQA-7QA ?=?F?????? ?????? ?=???F?y?????? ?????F?y?????? ?????F?? ?=???F?y ?????????F?y ?????? ?-?y?? ???(?? ???(?????? ?;?5?=???4?? ?????????????????4?? ?=???F?y?????4?? ?????F?y?????4?? ?????F?y?????4?? ???????F?? ?+?????F?? ???????F???? ???????F?? ???2???? ??2???U?????? ?F?h???U?????????2??:?6???y?H?????+?3???? ???????/???r?7?????????????3?????3???????F?y?? ???????????(????;?=???F?y?H?e?8???Q???????? 4?????d???????????? 4.1?E???w???? ?????d???????H?e?8???2?+?3?s???F????rI???? ???F?????????2???????U?3?????Q?e?8?????????? ?????6?3?????n?2?????3?E???w????rS 4.2?e?8?????O?N?E???? ?=???????H?????????b?N?E?3?????O???????? ???3???6?????3???????????O?????????B?;??rS?H?? (?2???~85??) :?????E?????????????????,???????B???;?9?? x(1)???y:?H???=???????????3??t)???yt?H ???=????????????rS H(x,y)=qXY???y?H??????????Y?2?????? [2ra???Y??.?????,??[M].?g??:???W???????w?[?32003. [3ra?I?3??.?O???9???2???2[M].?g??:???W???????w?[?3 2004. ??. S(???3Y)=qxy???k=eY???y?E???k????????q;v ?=?6?~ T( Stabilityanalysisofsolutionsto themathematicalmodeldescribing Aclassofbiomassincreases p(x?3 =pxy???y?=???U???3 ??k(pgxy??qcY)???y?=???????A???3 ?????2?rp(x,?N ?????????4???3?a Pq ???????r?E????????rS =Y?3 ??0?????A???y?????(?E?? MANGLi-juan,etal. rI?3 ?? dcrI7 y y (Dept.ofmath?3BaichengNormal College?3Baicheng137000,China) ?=?U???W???=?6?~?3???A???y???3???????????? Abstract:Inthispaper,existenceandstabilityofsolutions totheGompertzmathematicalmodeldescribingaclassof ?????rrIn q???3?E???k???4?vGompert???E??????biomassinequilibriumpointsare discussed.Frompoi ???U?E??rSofecology,itpointsoutthatregenerative fisheriesandforestryshouldbedeveloped resourceslike nts ike moderatel ???N???D rh????????.?O???9???2???;???B???;?9??r6M).?g??:?? ?????w?[?32001 achieve abledev optimizationofinputorbenefit,moreover,sust yto am- elopingandutilizingofbiologicalresources. Keywords:gompertzmathematicalmodel;equilibrium points;stability (?C???~35??)???e?8???2?+?3?4?A???x??????rI?e ?8???H??rS 4.3???????????H?????????? ?H?=?O??????????rI????????????rS???????? ?????b?Y???F?y?3?????E???7?????????????????M?3 ?????A?z?3?????????????????d???w???3?3?h?????? ?????3???????????????)rS Designofhydraulicsystemforshaping machineryofautomobileoilbox SUNWei (Dept.ofMechanicEngineeringDepartment?3Changchun InstituteofTechnology?3Changchun130012?3China) ???N???D [1]?????P.?????(?h???d??r6M].?g??:?y?????s???w?[?3 2005. [2ra??????.?????(?h???d??rhM]?g??:?y?????s???w?[?3 2004. [3]???A??.???n???????2????rhM].?g??:?9???;?????w ?[?31998. Abstract:Thedesignofhydraulicssystemappliedtover- ticalsemi-automaticshapingmachineryoftheautomobile oilboxispresented?3andintroducesthecompositionand workprincipleofthehydraulicssystemandelectriccon- trolsystem. Keywords:shapingmachineryofautomobileoilbox;by- draulicssystem;electricsystem