編號(hào)：（）字號(hào)本科生畢業(yè)設(shè)計(jì)題目：姓名：學(xué)號(hào)：班級(jí)：二八年六月采煤機(jī)牽引部設(shè)計(jì)機(jī)械工程及自動(dòng)化專業(yè)04-2摘要G400/900-WD型采煤機(jī)是一種多電機(jī)驅(qū)動(dòng)，橫向布置的交流電牽引采煤機(jī)。該機(jī)功率大，多電機(jī)橫向布置，整機(jī)結(jié)構(gòu)緊湊，采用交流變頻調(diào)速系統(tǒng)，變頻調(diào)速采用機(jī)載式。截割電機(jī)、牽引電機(jī)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(jī)輸出的轉(zhuǎn)矩經(jīng)三級(jí)圓柱齒輪和二級(jí)行星齒輪減速器減速后，由行星架輸出，通過驅(qū)動(dòng)輪與行走輪相嚙合，再由行走輪與工作面刮板輸送機(jī)上的齒軌嚙合使采煤機(jī)來回行走，同時(shí)制動(dòng)軸輸出軸通過鍵與制動(dòng)器相連，實(shí)現(xiàn)電牽引部的制動(dòng)。左右牽引部，中間電控箱的聯(lián)結(jié)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(jī)各大部件聯(lián)接成一個(gè)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(jī)身整體尺寸緊湊，縮小了機(jī)身寬度。G400/900-WD型采煤機(jī)，操作方便，可靠性高，事故率低，開機(jī)效率高，可滿足高產(chǎn)高效工作面的需要。關(guān)鍵詞：采煤機(jī)；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(jī)的發(fā)展概況.21.2國(guó)際上電牽引采煤機(jī)的技術(shù)發(fā)展?fàn)顩r.31.3國(guó)內(nèi)電牽引采煤機(jī)的發(fā)展?fàn)顩r.41.3.1.20世紀(jì)70年代是我國(guó)綜合機(jī)械化采煤起步階段.41.3.2.20世紀(jì)80年代是我國(guó)采煤機(jī)發(fā)展的興旺時(shí)期.51.3.3.20世紀(jì)90年代至今是我國(guó)電牽引采煤機(jī)發(fā)展的時(shí)代.61.4采煤機(jī)的發(fā)展趨勢(shì).81.5采煤機(jī)類型.81.6采煤機(jī)的組成.121.7電牽引采煤機(jī)的優(yōu)點(diǎn).132牽引部的設(shè)計(jì).152.1牽引機(jī)構(gòu)傳動(dòng)系統(tǒng).152.1.1主要技術(shù)參數(shù).152.1.2電動(dòng)機(jī)的選擇.162.1.3傳動(dòng)比的分配.162.2牽引部傳動(dòng)計(jì)算.182.2.1各級(jí)傳動(dòng)轉(zhuǎn)速、功率、轉(zhuǎn)矩.182.3牽引部齒輪設(shè)計(jì)計(jì)算.192.3.1齒輪1和惰輪2的設(shè)計(jì)及強(qiáng)度效核.192.3.2齒輪3和惰輪4的設(shè)計(jì)及強(qiáng)度效核.252.3.3齒輪5和惰輪6的設(shè)計(jì)及強(qiáng)度效核.312.4牽引部行星機(jī)構(gòu)的設(shè)計(jì)計(jì)算.362.4.1行星齒