液壓泵的變量控制-力士樂Rexroth.

1、Ekc1r*c Driires and Control*I Linear Moton and AascfrMy Tcc/)nok)gcaPheimatcsSennco I AulomationMobile HydraulicsRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制液壓泵的變量控制Technical Training Oct. 15 2002I InduetrialElectric OivcsLfwa，Moton andServiceI MobileI Hydr*ilasI and ControlsI Aascrtoly

2、 1cc#)nok)gictt1 Phctmat*c1 Autcnation1 HydraulicsRexrothBosch Group液壓泵的變量控制泵控液壓系統(tǒng)與閥控液壓系統(tǒng)能耗比較泵控系統(tǒng)執(zhí)行機(jī)構(gòu)AQQ節(jié)流閥控系統(tǒng) 負(fù)荷傳感閥控系統(tǒng) 執(zhí)行機(jī)構(gòu)b浪費(fèi)掉的能:ftInduetrialPhetmattcsService AulomatKXiRexrothBosch Group液壓泵的變量控制InduetrialPower: P= Q x pP= (qv* Ap) / (600 FJ 二次曲線PhetmattcsService AulomatKXiRexrothBosch Group液壓泵的變量

3、控制液壓系統(tǒng)對(duì)泵變量控制的要求液壓系統(tǒng)，特別是容積調(diào)速的泵控系統(tǒng)對(duì)泵的變量 控制要求越來越高,主要的有如下幾點(diǎn):1壓力、流量和功率均可控制2流量控制范圍大，可正向控制，也可負(fù)向控制3較短的換向時(shí)間，較高的固有頻率，適應(yīng)閉環(huán)控制需要4閥控系統(tǒng)中，節(jié)能高效5. 較高的功率利用率一接近理論二次曲線的恒功率控制6. 電子控制，以實(shí)現(xiàn)與上位機(jī)或其他電子控制器的通訊InduetrialHydraulicsPhoimattcsService AulomationMobile HydraulicsRexrothBosch GroupTechnical Training Oct. 15 2002*液壓泵的變量控

4、制液壓油泵變量方式匯總壓力控制變量壓差控制變量帶有反饋的排量控制變量 速度感應(yīng)變量 電子控制變量 壓力指令變量 逆向控制變量Technical Training Oct. 15 2002Induetrial HydraulicsPhoimattcsService AulomationMobile HydraulicsRexrothBosch Group軸向柱塞泵的變量控制Pump ControlP control壓力伯號(hào)控制Q control機(jī)械反饋?zhàn)冧汱ILpHW手動(dòng)變童Din負(fù)布傳越控制 DFR恒壓控制l)KDP恒功率控制 LRhzdHD液控變滋7LiEP電控變童DA-SSC contro

5、l 速度癬應(yīng)變童速度感應(yīng)控制 l)A二次調(diào)節(jié) DS1土 q控制控制 AlOV-DFEl A4VSO El S02Induetrial XydrauTElectric Oivo I and ControlsI Linear Moton andAscr4)ly Tcc/)nok)gica I PhcuattcsSerhcoI AutomationRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制DP控制Technical Training Oct. 15 2002Induetrial XydrauTElectric Oivo I an

6、d ControlsI Linear Moton andAscgicaI SenhcI MobileI Automat ohI HydraulicaRexrothBosch Group液壓泵的變量控制Y 口用于待命和遠(yuǎn)程恒壓控制Industrial XydrauTElectric Oiroe I and ControlsLnw Moton andI An*cn)ly lcc/)nok)gca I PheuattcsSennc I AulomattonMobile HydrauUsRexrothBosch GroupTechnical Training Oct. 15 200%Industria

7、l XydrauTElectric Oiroe I and ControlsLnw Moton andI An*cn)ly lcc/)nok)gca I PheuattcsSennc I AulomattonMobile HydrauUsRexrothBosch GroupTechnical Training Oct. 15 2002Y 口用于遠(yuǎn)程壓力控制和待命控制塞死液壓泵的變量控制A10VSO.DFLR特別變量控制：-SO 258InduetrialHydrul*asPhcuatcsSenic AuiomationRexrothBosch Group液壓泵的變量控制Induetrial H

8、ydrul*asA10VSO.DFLR 組合閥塊DBAW組合閥塊實(shí)現(xiàn)下列變量功能待命控制雙級(jí)壓力控制最【苗壓力限泄安全閥0.8的阻尼孔裝于閥塊上拆除X 口的0.8阻尼孔PhcuatcsSenic AuiomationRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制SYDFEE (internal electronics)I InduetrialI XydruTEleclrc Oire I and Control*Lrwar Moton andI AncrWy Tcc/inok)gcaPhcuattcsSenncI Automat

9、ionMoblc HydrauhcftRexrothBosch Group0Technical Training Oct. 15 2002液壓泵的變量控制Technical Training Oct. 15 2002I InduetrialI XydruTEleclrc Oire I and Control*Lrwar Moton andI Anc Pressest Other stationary applications t Power unitsFeatures: A10VSO 18, 28, 45, 71, 100 cm3 Hysteresis 3 bar Pmax，Pmin adju

10、stable Fail safe (zero current= pmln) Response time comparablewith DRInduetrialHydraultasPhouatcsSerris AulomationRexrothBosch Group液壓泵的變量控制Technical Training Oct. 15 2002A4 VSO （高壓泵）用于開式系統(tǒng)Technical Training Oct. 15 2002nominal pressure: 350 barpeak pressure: 400 barsizes:40711251802503555007501000I

11、nduetrial HydraultasPhouatcsSerris AulomationRexrothBosch Group液壓泵的變量控制A4VSO.LR2恒功率控制U S Ms Ki Kz T R(L)InduetrialHydr*ulGSSerHc AulomatKXRexrothBosch Grouppower curve (constant)Etectrc Oivos Lrwar Moton andI and Control* I AsftCfrMy Tcc/)nok)gca I Pheuatcs液壓泵的變量控制Technical Training Oct. 15 2002Tech

12、nical Training Oct. 15 2002Induetrial Hydr*ulGsEtectrc Oivos Lrwar Moton andI and Control* I AsftCfrMy Tcc/)nok)gca I PheuatcsSerHc AulomatKXRexrothBosch Group液壓泵的變量控制IndustrialElectric Oim I and ControlsPncumattcsSemis I AuloY)aKionMobile HydraulicaRexrothBosch GroupTechnical Training Oct. 15 2002液

13、壓泵的變量控制IndustrialElectric Oim I and ControlsPncumattcsA4VSO.LR2D恒壓、恒功率控制RkvU S Ms Ki K2 T R(L)Semis I AuloY)aKionI MobileHydrmAcsRexrothBosch Group液壓泵的變量控制RkvU S Ms Ki K2 T R(L)IndustrialHydrjlasPheuattcsSenric AutomationMobile HydraubcaRexrothBosch Group液壓泵的變量控制Technical Training Oct. 15 2002Indust

14、rial HydrjlasPheuattcsSenric AutomationMobile HydraubcaRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制LR2G遠(yuǎn)程壓力控制恒功率控制RkvU S Ms Ki K2 T R(L)IndustrialLinear Moton and AascfHMy 1cc/inok)gcaPbcuatcsService I AulomaiionMobileHydraulic*RexrothBosch Group液壓泵的變量控制U S Ms Ki K2 T R(L)Technical Trai

15、ning Oct. 15 2002Industrial XydrauTLinear Moton and AascfHMy 1cc/inok)gcaSenhc Pheuatcs I AulomattonMobileHydraulic*RexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制power curve (constant)A4VSO.LR2Gug ainssaid 6UW05flow l/minllIndustrialHydrulGSPheimatcflSenhc AulotnationMobile HydraubcaRexro

16、thBosch Group液壓泵的變量控制遠(yuǎn)程壓力控制恒功率控制流量控制（LS壓差控制）RkvJU S Ms Ki K2 T R(L)Technical Training Oct. 15 2002Industrial HydrulGSPheimatcflI SenhcI MobileI Au1xnat*onI HydraulicsRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制InduetrialHydrulasIndwetrialPhOLn)atcsService AutomationMobile HydrauhcaRexro

17、thBosch Group液壓泵的變量控制)XltdMB）：（11 KlfeTL)Technical Training Oct. 15 2002IndwetrialPhOLn)atcsI SenncI MobleI AutomationI HydraulicaRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制恒功率控制流量控制（先導(dǎo)壓力控制）PheimattcsService I AulomationRexrothBosch Group液壓泵的變量控制N先導(dǎo)閥Technical Training Oct. 15 2002Indue

18、trial HydrulasLmcar Moton and Aascri)ly Tcc/tnok)gicazxMstU S Ms Ki Ka T R(L)PheimattcsService I AulomationRexrothBosch Group液壓泵的變量控制A4VSO.LR2DN恒壓控制恒功率控制流量控制（先導(dǎo)壓力控制）PIrduetrial Hydr*ulasRexrothBosch Group恒壓控制閥恒功率控制閥ElectricLinear Moton andServicI and Controli I As*cr4)ly Tcc/inok)gcs I Pheuatcs I Au

19、lomation液壓泵的變量控制A4VSO.LR2DNN先導(dǎo)閥N控制閥Irduetrial Hydr*ulasRexrothBosch GroupTechnical Training Oct. 15 2002Electric Driv Linear Moton andSerbsI and Control* I Ascv4)ly Tcc#)nok)gca I Phcuatc I Aulomation液壓泵的變量控制B1恒壓控制（遠(yuǎn)程）恒功率控制（遠(yuǎn)程）流量控制（先導(dǎo)控制）Induetrial XydraTPhoimatcsSerbs AutomationRexrothBosch GroupTechnical Training Oct. 15 2002液壓泵的變量控制U S Ms Ki K2 T R(L)Technical Training Oct. 15 2002Induetrial XydraTPhoimatcsSerbs AutomationRexrothBosch Group液壓泵的變量控制液壓系統(tǒng)設(shè)計(jì)常出現(xiàn)的錯(cuò)誤：1）