基于搖臂鉆床軸向螺旋直線驅(qū)動(dòng)設(shè)計(jì)畢業(yè)論文.doc

南京理工大學(xué)畢業(yè)設(shè)計(jì)（論文）基于搖臂鉆床軸向螺旋直線驅(qū)動(dòng)設(shè)計(jì)南京理工大學(xué)畢業(yè)設(shè)計(jì)（論文）目錄摘要.IIIAbstract.II1緒論.31.1研究目的和意義.31.2研究的主要內(nèi)容.12基本內(nèi)容和技術(shù)方案.13搖臂的回轉(zhuǎn)設(shè)計(jì).23.1導(dǎo)套的設(shè)計(jì).23.2導(dǎo)套加緊塊的設(shè)計(jì).33.3擺動(dòng)塊的設(shè)計(jì).43.4推力軸承的選擇.53.5旋轉(zhuǎn)模型圖.64.左搖臂部件設(shè)計(jì).74.1左橫臂設(shè)計(jì).74.2導(dǎo)軌的設(shè)計(jì).84.3絲杠螺母?jìng)鲃?dòng)設(shè)計(jì).84.3.1絲杠的設(shè)計(jì).94.3.2螺母的設(shè)計(jì).104.4絲杠安裝軸承的選用和校核.114.5蝸桿蝸輪傳動(dòng)設(shè)計(jì).124.6蝸桿安裝軸承的選用和校核.134.7電機(jī)的選用.145右搖臂部件設(shè)計(jì).155.1右橫臂的結(jié)構(gòu)設(shè)計(jì).155.2傳動(dòng)軸的設(shè)計(jì).165.3傳動(dòng)軸軸承的選用和校核.166總結(jié).17參考文獻(xiàn).18致謝.19南京理工大學(xué)畢業(yè)設(shè)計(jì)（論文）摘要普通鉆床只能加工形體較小,結(jié)構(gòu)簡(jiǎn)單的工件,而對(duì)于在特殊的加工條件下，如工件體積和重量都較大、固定不能移動(dòng)等，普通鉆床便很難加工,只能采用專用鉆床。專用鉆床是在普通機(jī)床的基礎(chǔ)上，根據(jù)待加工工件或加工所處的特殊條件而設(shè)計(jì)制造出來的，因而能夠滿足特定的加工要求。水力發(fā)電機(jī)為了滿足大發(fā)電量的要求一般都做的體積都比較大，重量可達(dá)幾噸甚至幾十噸。其安裝孔不便于在車間里進(jìn)行，只能在工地現(xiàn)場(chǎng)加工，所以需要設(shè)計(jì)出符合實(shí)際情況的專用鉆床。我國(guó)的水電站發(fā)電機(jī)機(jī)座安裝孔的加工一直依賴于進(jìn)口的專用搖臂鉆床，價(jià)格昂貴，加工成本較高。因此設(shè)計(jì)出我國(guó)的水電站發(fā)電機(jī)安裝孔專用搖臂鉆床具有重大意義。我主要針對(duì)專用搖臂鉆床的搖臂部件進(jìn)行研究和設(shè)計(jì)。根據(jù)此專用搖臂鉆床的設(shè)計(jì)要求，搖臂要能夠繞立柱擺動(dòng)（360）和直線移動(dòng)（1000mm），直線移動(dòng)能機(jī)動(dòng)，到位后能夾緊。根據(jù)設(shè)計(jì)要求和特點(diǎn)，設(shè)計(jì)如下：將搖臂的結(jié)構(gòu)設(shè)計(jì)成雙邊式的，即將變速箱與主軸箱分別安裝在搖臂的兩邊。變速箱的動(dòng)力通過中空的搖臂傳遞給回轉(zhuǎn)部件，最后傳遞給主軸箱。搖臂的擺動(dòng)可通過在立柱外安裝導(dǎo)套，導(dǎo)套與立柱上的絲杠組成絲杠螺母副，絲杠旋轉(zhuǎn)，則可帶動(dòng)整個(gè)搖臂沿立柱上下移動(dòng)。將擺動(dòng)塊安放在到導(dǎo)套上，導(dǎo)套與擺動(dòng)塊之間通過推力軸承連接。搖臂設(shè)計(jì)成左、右兩個(gè)，分別位于擺動(dòng)塊的兩側(cè)，并以搖臂的底面與擺動(dòng)塊組成導(dǎo)軌副。導(dǎo)套靜止，擺動(dòng)塊可繞導(dǎo)套自由擺動(dòng)。導(dǎo)套沿立柱上下移動(dòng)到位后、擺動(dòng)塊擺動(dòng)到位后，采用液壓哈弗機(jī)構(gòu)將他們加緊。左搖臂內(nèi)部通過絲桿螺母?jìng)鲃?dòng)和蝸桿蝸輪傳動(dòng)驅(qū)動(dòng)整個(gè)搖臂左右移動(dòng)，右搖臂內(nèi)部通過傳動(dòng)軸將變速箱的動(dòng)力傳遞給回轉(zhuǎn)部件。搖臂水平移動(dòng)到位后通過擺動(dòng)塊上的液壓加緊柱將搖臂加緊。關(guān)鍵詞：搖臂鉆床；變速箱；絲杠；蝸桿。南京理工大學(xué)畢業(yè)設(shè)計(jì)（論文）IIAbstractNormaldrillingmachinecanprocessisverysmall，Simplestructure。Forthespecialprocessingconditions，Suchasthevolumeandweight，F(xiàn)ixedcannotmove,etc。Normaldrillinganddifficultprocess，Onlyuseappropriativedrill。Specialdrillmachineisinthecommonbasisformachining,accordingtothespecificprocessingormanufacturingconditionsanddesign.Thuscansatisfythespecificrequirementsoftheprocessing.Hydraulicgeneratorsinordertomeettherequirementsofthelargevolumeofusuallydoislarger,Theweightofseveraltonsofevenafewtons.Themountingholesdonotfacilitateintheworkshop,onlyatthesite,Soweneedtodesignatallywiththeactualsituationofspecialdrill.Ourhydropowerinstallationholemachiningstandbygeneratorisalwaysrelyonimportsofradialdrillingmachine,expensivecostishigher.Designofhydropowerstationinradialdrillholespecialgeneratorinstallationisofgreatsignificance.Imajorinspecialradialdrillrockercomponentsresearchanddesign.Accordingtothespecialrequirementsoftheradialdrillingmachinedesign.Therockertoaroundthemastswing(360),Straight-linemovement(1000mm),Linearmotorcanmove,Afterputtinginplacetoclamp.Accordingtothecharacteristicsanddesignrequirements,designbelow:Thestructuredesignintotherockerwillbilateraltype,Soongearboxandspindleboxinstalledinthesideoftherockerrespectively.Thepowertransmissionthroughhollowrockertorotaryparts,Finallytospindlebox.Theswingthroughradialinstallationguideinthepost,Withtheguideoftheballscrewcomponentballscrewnutpair,Ballscrewrotation,Candrivetherockermovealongthepillar.Willswingtoguidetheblockplacedswingwith,throughthethrustbearingconnectionbetweenblocks.Therockerdesignintoleftandright,locatedintwosidesofswingingblock,Andinthebottomrockerandswingingblocksguide.Still,bushingswingingblockcanthesetoffree-swings.Movealongthepillarbushingafterputtinginplace,Swingmatedswingblock,Adoptshydraulicharvardinstitutionswillinte.Leftrockerinternalthroughwirerodnutwormandwormgeartransmissionoftheradialmovearound,Rightrad