資源描述:
《自落式混凝土攪拌混合機(jī)的設(shè)計(jì)(機(jī)械cad圖紙)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、本科機(jī)械畢業(yè)設(shè)計(jì)論文CAD圖紙QQ401339828自落式混凝土攪拌混合機(jī)的設(shè)計(jì)研究學(xué)生姓名:班級(jí):指導(dǎo)老師:摘要:最近幾年,建筑行業(yè)蓬勃發(fā)展。而在建筑機(jī)械里,混凝土攪拌機(jī)械是其中的基本設(shè)備之一。攪拌的混凝土關(guān)系到建筑的質(zhì)量,而過(guò)去的機(jī)型如鼓筒型混凝土攪拌機(jī)存在許多問(wèn)題如攪拌質(zhì)量差、時(shí)間長(zhǎng)、能耗高。自落式混凝土攪拌機(jī)尤其是其中之一的錐形反轉(zhuǎn)出料攪拌機(jī)能更好的解決上述問(wèn)題。本文通過(guò)綜合優(yōu)化設(shè)計(jì)和類比的方法,結(jié)合以往的參數(shù)、數(shù)據(jù)和給出的原始資料、技術(shù)要求,對(duì)自落式混凝土攪拌機(jī)進(jìn)行了設(shè)計(jì)。利用攪拌筒直徑d=1560mm和其他條件,
2、計(jì)算出攪拌筒的轉(zhuǎn)速n=18r/min。根據(jù)原始數(shù)據(jù)——分批混合:1000kg/批、攪拌筒厚度h=4mm、裝機(jī)容量:7.5千瓦、生產(chǎn)率:8-10噸/時(shí)等條件,計(jì)算出攪拌筒和混合料、支撐滾輪間相互作用的總力矩M,傳動(dòng)裝置的總效率=0.89,從而得出減速電機(jī)額定功率=7.5kw,減速比i=23,轉(zhuǎn)速n=1500r/min??紤]攪拌機(jī)傳動(dòng)系統(tǒng)的要求,對(duì)托滾軸和減速電機(jī)之間采用鏈傳動(dòng)的連接方式,鏈傳動(dòng)比i=1.19,小鏈輪齒數(shù)Z=17,從動(dòng)鏈輪齒數(shù)Z=20,鏈長(zhǎng)L=2.5146mm,中心距a=1020.5mm。再確定要安裝鏈輪和拖輪的
3、托滾軸,材料為45#,調(diào)質(zhì)處理,軸的最小處直徑d=69mm。根據(jù)材料和載荷,設(shè)計(jì)出托滾軸的各段的長(zhǎng)度和直徑,最后進(jìn)行校核驗(yàn)證。關(guān)鍵詞:減速電機(jī)混合單元摩擦傳動(dòng)托滾軸設(shè)計(jì)鏈傳動(dòng)指導(dǎo)老師簽名:41本科機(jī)械畢業(yè)設(shè)計(jì)論文CAD圖紙QQ401339828gravitytypeconcretemixingmixerdesignStudentname:Class:Supervisor:Abstract:Inrecentyears,theconstructionindustrydevelopsrapidly.Intheconstructio
4、nmachinery,theconcretemixingmachineisoneofthebasicequipment.Themixingconcreterelatedtothequalityofconstruction,butthepastmodelssuchasthetypeofdrumsconcretemixerhasmanyproblemsuchaspoormixingquality,longdurationandhighenergyconsumption.Thegravitytypeconcretemixingmi
5、xerespeciallyoneofthese:conereversaldischargingmixercansolvetheaboveproblemforthebetter.Consideringthepreviousparameters,dataandoriginaldata,technicalrequirementswhichhasgiven,thispapersdesignthegravitytypeconcretemixingmixertakingthemethodsofintegratedoptimaldesig
6、nandanalog.Usingthemixingtubediameterd=1560mmandotherconditionstocalculatethespeedofmixingtuben=18r/min.Accordingtotheoriginaldata-batchmixed:1000kg/batches,themixingtubethicknessh=4mm,capacity:7.5kW,8-productivityof10tons/handotherconditions,tocalculatethetotalmom
7、entMbetweenmixingtubeandmixtureaswellasinteractionsupportrollers,theoverallefficiencyofgear=0.89,soastoreceivethegearmotorratedpower=7.5kw,reductionratioi=23,rotationalspeedn=1500r/min.Consideringtherequestofthemixerdrivesystem,theplacementbetweenthecarerollerandth
8、egearmotorisconnectedbychaindrive,chaindriveratioi=1.19,thesmallsprocketnumberofteethZ=17,andthedrivensprocketnumberofteethZ=20,chainlengthL=2.51