柴油機(jī)柱塞式高壓噴油泵設(shè)計(jì)說明書畢業(yè)論文.doc

畢業(yè)設(shè)計(jì)題目：柴油機(jī)柱塞式高壓噴油泵結(jié)構(gòu)設(shè)計(jì)班級(jí)：學(xué)號(hào)：姓名：指導(dǎo)教師：完成日期：一、設(shè)計(jì)題目（學(xué)生空出，由指導(dǎo)教師填寫）柴油機(jī)柱塞式高壓噴油泵設(shè)計(jì)二、設(shè)計(jì)參數(shù)柴油機(jī)相應(yīng)參數(shù)柴油機(jī)相應(yīng)參數(shù)型號(hào)型式燃燒室型式壓縮比標(biāo)定轉(zhuǎn)速油壓（定壓）1100單缸、水冷、臥式、四沖程渦流室式直噴192200噴油壓力15MPa12小時(shí)標(biāo)定功率標(biāo)定工況燃油消耗率最大扭矩最大扭矩轉(zhuǎn)速最低空車穩(wěn)定轉(zhuǎn)速11261.353.51760800三、設(shè)計(jì)要求（1）總裝圖1張（2）零件圖2張（3）課程設(shè)計(jì)說明書（50008000字）1份四、進(jìn)度安排（參考）（1）熟悉相關(guān)資料和參考圖2天（2）確定基本參數(shù)和主要結(jié)構(gòu)尺寸2天（3）設(shè)計(jì)計(jì)算3天（4）繪制總裝配草圖4天（5）繪制總裝配圖2天（6）繪制零件圖2天（7）編寫說明書3天（8）準(zhǔn)備及答辯3天五、指導(dǎo)教師評(píng)語成績：指導(dǎo)教師日期I摘要噴油泵是柴油供給系中最重要的部件，它的性能和質(zhì)量對(duì)柴油機(jī)影響極大，被稱為柴油機(jī)的心臟。在柴油機(jī)工作過程中，為了保證噴油能夠夠持續(xù)及時(shí)的供應(yīng)適量的燃油，以滿足柴油機(jī)正常工作的要求,通過多方面考慮，在此設(shè)計(jì)柱塞式高壓噴油泵。本文根據(jù)某柴油機(jī)的性能參數(shù)來進(jìn)行噴油泵的結(jié)構(gòu)設(shè)計(jì)，主要設(shè)計(jì)內(nèi)容有:根據(jù)實(shí)際情況對(duì)噴油泵形式進(jìn)行選擇，可以選出本次設(shè)計(jì)噴油柱塞直徑及壓縮行程；根據(jù)供油需求，選擇合適的出油閥，擬定出油閥彈簧安裝高度及中徑，配以合適的油閥開啟彈簧；而又要保證柱塞克服慣性力，摩擦力及負(fù)壓的影響，給柱塞配以合適回正彈簧，擬定擬定回正彈簧的安裝高度及中徑，并進(jìn)行穩(wěn)定性及強(qiáng)度校核；在回正彈簧確定之后，就可大致得出柱塞的長度，通過畫裝配圖，再詳細(xì)設(shè)計(jì)出柱塞的實(shí)際長度；在噴油泵設(shè)計(jì)中，還應(yīng)根據(jù)上面的計(jì)算選擇符合標(biāo)準(zhǔn)的的類型以及相應(yīng)尺寸。最后根據(jù)各個(gè)零件的尺寸進(jìn)行噴油泵的總體設(shè)計(jì)，并對(duì)各零件的配合、公差以及安裝將間隙進(jìn)行考慮。關(guān)鍵詞：噴油泵柱塞式結(jié)構(gòu)設(shè)計(jì)IIAbstractTheinjectionpumpisthedieseloilsuppliesisthemostimportantpart,itsperformanceandthequalityareenormoustothedieselengineinfluence,iscalledthedieselenginetheheart.Indieselengineworkprocess,toguaranteethattheblowcansufficetocontinuethepromptsupplyrightamountfueloil,satisfiesthedieselenginenormalworktherequest,throughvariousconsiderations,inthisdesignplungertypehighpressureinjectionpump.thisarticleaccordingtosomedieselenginetheperformanceparametertocarryoninjectionpumpsstructuraldesign,mainlydesignsthecontenttoinclude:Carriesonthechoiceaccordingtotheactualsituationtotheinjectionpumpform,mayselectthisdesignblowplungerdiameterandthecompressionstroke；Accordingtothefeeddemand,choosestheappropriatedeliveryvalve,drawsupthedeliveryvalvespringmountingheightandthepitchdiameter,matchesbytheappropriateoilvalveopeningspring；Andmustguaranteethattheplungerovercomestheforceofinertia,thefrictionforceandthenegativepressureinfluence,matchestotheplungerbyreturnstothespringappropriately,drawsupthespringsmountingheightandthepitchdiameter,andcarriesonthestabilityandtheintensityexamination；Afterreturningtothespringdetermination,mayobtainplungerslengthapproximately,throughpictureassemblydrawing,againdetaileddesignplungersvirtuallength；Ininjectionpumpdesign,butshouldalsoactaccordingtotheabovecomputationchoicemeetstandardstypeaswellascorrespondingsize.actsaccordingtoeachcomponentsthesizetocarryoninjectionpumpssystemdesignfinally,andtovariouscomponentscoordination,th