采煤機牽引部設計說明書.doc

編號：（）字號本科生畢業(yè)設計題目：姓名：學號：班級：二八年六月采煤機牽引部設計機械工程及自動化專業(yè)04-2摘要G400/900-WD型采煤機是一種多電機驅動，橫向布置的交流電牽引采煤機。該機功率大，多電機橫向布置，整機結構緊湊，采用交流變頻調速系統(tǒng)，變頻調速采用機載式。截割電機、牽引電機等主要元部件均可從采空區(qū)抽出，容易更換，方便維修。牽引電機輸出的轉矩經(jīng)三級圓柱齒輪和二級行星齒輪減速器減速后，由行星架輸出，通過驅動輪與行走輪相嚙合，再由行走輪與工作面刮板輸送機上的齒軌嚙合使采煤機來回行走，同時制動軸輸出軸通過鍵與制動器相連，實現(xiàn)電牽引部的制動。左右牽引部，中間電控箱的聯(lián)結螺柱，定位銷，搖臂與左右電牽引部鉸接銷軸四組，這些裝置將采煤機各大部件聯(lián)接成一個整體，起到緊固及連接的作用。牽引部與行走部做成一體，使機身整體尺寸緊湊，縮小了機身寬度。G400/900-WD型采煤機，操作方便，可靠性高，事故率低，開機效率高，可滿足高產高效工作面的需要。關鍵詞：采煤機；牽引部；行走部；行星齒輪ABSTRACTTheG400/900-WDcoalminingmachineismorethanonekindofmotor-driven,crosswisearrangementalternatingcurrenthaulingcoalminingmachine.Thismachinepowerisbig,themulti-electricalmachinerycrosswisearrangement,thecompletemachinestructureiscompact,usestheexchangefrequencyconversionvelocitymodulationsystem,thefrequencyconversionvelocitymodulationusesaircraft-borne-like.Cutstheelectricalmachinery,thepullingmotorandsoonmainparttobepossibletoextractfromtheworked-outsection,easytoreplace,facilitatestheservice.Thepullingmotoroutputstorquedeceleratesafterthethird-levelcylindricalgearsandthesecond-levelplanetgearreductiongear,bytheplanetcarrieroutputs,withwalksliningonthefeetandpalmsofbuddhameshingthroughthedrivinggear,bywalksagainroundandonworkingsurfacescraperconveyersrackrailmeshingcausesthecoalminingmachinebackandforthtowalk,simultaneouslythebrakespindleoutputshaftisconnectedthroughthekeyandthebrake,realizestheelectricityhaulingdepartmentbrake.Aboutthehaulingdepartment,themiddleelectricallycontrolledboxsjointstud,thepositioningpin,therockingshaftsellstheaxisfourgroupswithaboutelectricityhaulingdepartmenthinge,theseinstallmentsjoincoalminingmachinevariousmajorassembliesawhole,playsthefasteningandtheconnectionrole.Thehaulingdepartmentwithwalkstomakeabody,causedthefuselageoverallsizetobecompact,reducedthefuselagewidth.TheG400/900-WDcoalminingmachine,theeaseofoperation,thereliabilityishigh,theaccidentrateislow,thestartingefficiencyishigh,maysatisfythehighproductionhighlyeffectiveworkingsurfacetheneed.Keyword:Thecoalminingmachine；thehaulingdepartment；walks；Planetgear目錄1概述.11.1采煤機的發(fā)展概況.21.2國際上電牽引采煤機的技術發(fā)展狀況.31.3國內電牽引采煤機的發(fā)展狀況.41.3.1.20世紀70年代是我國綜合機械化采煤起步階段.41.3.2.20世紀80年代是我國采煤機發(fā)展的興旺時期.51.3.3.20世紀90年代至今是我國電牽引采煤機發(fā)展的時代.61.4采煤機的發(fā)展趨勢.81.5采煤機類型.81.6采煤機的組成.121.7電牽引采煤機的優(yōu)點.132牽引部的設計.152.1牽引機構傳動系統(tǒng).152.1.1主要技術參數(shù).152.1.2電動機的選擇.162.1.3傳動比的分配.162.2牽引部傳動計算.182.2.1各級傳動轉速、功率、轉矩.182.3牽引部齒輪設計計算.192.3.1齒輪1和惰輪2的設計及強度效核.192.3.2齒輪3和惰輪4的設計及強度效核.252.3.3齒輪5和惰輪6的設計及強度效核.312.4牽引部行星機構的設計計算.362.4.1行星齒