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XQB小型泥浆泵的结构设计毕业论文.doc

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XQB小型泥浆泵的结构设计毕业论文.doc

1摘要灌用泥浆泵被广泛的应用在水库大坝、煤矿巷道、隧道灌浆、高速公路边坡维护、建筑地基加固等场合,随着国民经济的发展,此类泥浆泵的需求量也越来越大。近年来,灌用泥浆泵的研制和发展也越来越快,但其也存在着许多的问题一是此类泥浆泵的平均无故障的工作时间较短,最多也就几个小时二是重量和体积普遍较大,野外搬运不便三是更换密封件的时间较长。针对以上问题的提出,本次设计有了具体的解决措施,解决密封件寿命短的问题,关键是选择合适的密封材料和合理的结构形式为了使泵的整体重量减轻,就要彻底放弃传统的减速方式,取而代之的是先进的减速方式,本此设计选用的是行星减速器大传动比降速,并将行星减速器置于大带轮中,既能够达到降速的目的,又能够减轻泵的总体重量。关键字密封件行星减速器压力流量柱塞2AbstractFedsludgepumpiswidelyusedintheapplicationofdamreservoirs,coalmine,tunnelsfilled,lengthofthehighway,constructionoffoundationreinforced,andsoon,withthedevelopmentofthenationaleconomy,thedemandofsuchsludgepumpisalsogrowing.Inrecentyears,fedbysludgepumpresearchanddevelopmentisgrowingfast,buttherearestilltheexistenceofmanyproblemsFirst,theaveragenofaultsludgepumpshorterworkinghours,uptoseveralhoursSecond,theweightandsizegenerallylargerfieldhandlinginconvenienceThirdisthereplacementofsealedpiecesoveralongerperiodoftime.Respondingtotheabovequestions,thisdesignhasspecificsolutionstoaddresstheshortlifeofthesealed,thekeyistochoosesuitablematerialsandsealedreasonablestructureInordertomaketheoverallweightpump,wemustcompletelyabandonthetraditionalslowdown,replacedbyadvancedslowdown,Thedesignchosenisthelargetransmissionplanetaryreducerthanpaved,andundergreatDailunplanetaryreducer,bothcanbeachievedfasterpurposes,andtoreducetheoverallweightpump.Keysealedpiecesplanetaryreducerpressureflowpiston3目录摘要.............................................................................................................................1Abstract....................................................................................................................2目录........................................................................................................................3前言........................................................................................................................5第一章泵的总体设计..............................................................................................7第二章原动机的选择..............................................................................................9第三章吸浆管与排浆管的选择与直径计算......................................................12第四章泥浆泵零件选择及其强度的计算..........................................................134.1机架..........................................................................................................134.2泵体..........................................................................................................134.3连杆十字头连接处销子强度的计算....................................................134.4柱塞上螺纹强度计算.............................................................................154.4.1螺纹的选择和强度校核..............................................................154.4.2螺纹连接的防松方式的选择.....................................................174.5泵体壁厚强度计算和选择......................................................................174.6空气室容积及强度计算和选择............................................................184.7减速器的选择和计算.............................................................................204.8V带传动的计算....................................................................................234.9轴的设计和强度校核.............................................................................264.9.1估算轴径d..................................................................................264.9.2轴的受力分析..............................................................................264.9.3验算轴径...................................................................................304.10轴承选择.................................................................................................314.10.1轴承寿命计算............................................................................324.10.2静载荷计算................................................................................324.11轴上键的选择.......................................................................................334.11.1平键的选择...............................................................................334.11.2平键的强度校核.......................................................................334.11.3花键的选择...............................................................................334.11.4花键的强度校核.......................................................................3344.12活塞密封圈的选择................................................................................344.13.泵的润滑..............................................................................................34第五章泵的使用和维护.......................................................................................365.1用途...........................................................................................................365.2结构...........................................................................................................365.3安装...........................................................................................................365.4维护与保养..............................................................................................36第六章XQB75/3.5型泥浆泵的经济可行性分析................................................38第七章结论........................................................................................................39参考文献..................................................................................................................40附录1专题.............................................................................................................41附录二外文翻译.....................................................................错误未定义书签。英文文献...........................................................................错误未定义书签。中文翻译...........................................................................错误未定义书签。致谢...........................................................................................................................49

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