颚式破碎机毕业设计论文讲解

I毕业设计（论文）题目摘要[摘要]国内使用的颚式破碎机类型很多,但常见的还是传统的复摆颚式破碎机。复摆颚式破碎机的出现已有140多年的历史,经过人们长期的实践和不断完善与改进,其结构型式和机构参数日臻合理,结构简单、制造容易、工作可靠、维修方便，故在冶金、矿山、建材、化工、煤炭等行业使用非常广泛。随着现代化的发展，各工业部门对破碎石的需求进一步增长，研究复摆鄂式破碎机具有很重要的意义。本毕业设计主要是为满足生产需求：进料口尺寸：mm600400；出料口尺寸：mm1.57~40；进料块最大尺寸：mm350；产量：时吨/375.24。而研究的。主要研究复摆颚式破碎机的运动分析、V带的选择，鄂板、齿板磨损的分析，各种工作参数的选择，工作机构的优化。重点研究传动的设计和系统的优化。[关键词]复摆鄂式破碎机传动磨损II英文题目ABSTRACTThedomesticusejawtypebreakertypeareverymany,ButcommontraditionalduplicatependulumJaw-fashionedCrusher.Theduplicatependulumjawtypebreakerappearancehadmorethan140yearshistory,Andconsummatesandtheimprovementunceasinglyafterthepeoplelong-termpractice,Itsstructurepatternandtheorganizationparameteraredaybydayreasonable,Thestructuresimple,themanufactureiseasy,theworkreliably,theserviceconvenient,thereforeinprofessionuseandsoonthemetallurgy,mine,buildingmaterials,chemicalindustry,coalisextremelywidespread.Alongwiththemodernizeddevelopment,variousindustrysectorfurthergrowstothebrokencrushedstonedemand,studiestheduplicatependulumJaw-fashionedCrushertohavetheveryvitalsignificance.Thisgraduationprojectmainlyisformeetstheproductionneed:Feedheadsize:mm600400;Dischargeholesize:mm1.57~40;Feedingblockgreatestsize:mm350;Output:ht/375.24.MainlystudiestheduplicatependulumJaw-fashionedCrusherthemovementanalysis,Vbeltchoice,theanalysiswhichtheJaw-fashionedCrusher,thetoothedrackwears,eachkindofoperationalparameterchoice,operatingmechanismoptimization.Keyresearchtransmissiondesignandsystemoptimization.KeyWords：Jaw-fashionedCrusherTransmissionAbrasion1目录Abstract·················································错误!未定义书签。第1章绪论··································································31.1研究的目的和意义················································31.2特点和现状与发展················································51.3复摆鄂式破碎机的现状与发展··································6第2章总体设计过程·····················································112.1基本结构和工作原理·············································112.1.1基本结构··························································112.1.2工作原理··························································112.2主要参数······························································132.2.1钳角·····························································132.2.2偏心距E·························································142.3电动机的选择·····················································142.4电动机的容量·····················································142.5选择电动机的型号···············································142.6V带的传动······················································152.7技术性能参数·····················································192.8复摆颚式破碎机的动鄂的工作过程分析·····················19第3章受力分析及主要零件强度计算·······························213.1破碎力的计算·····················································213.2受力分析···························································223.2.2主要零件强度计算·············································223.3偏心轴强度计算···················································233.4推力板（肘板）的设计与计算·································253.5机架强度校核·····················································26第4章部分零件上的公差和配合·······································354.1配合的选择························································354.1.1配合的类别的选择·······································3524.1.2配合的种类的选择········································354.2一般公差的选取··················································354.3形位公差···························································364.3.1形位公差项目的选择·····································364.3.2公差原则的选择···········································364.3.3形位公差值的选择或确定·······························37结论········································································39谢辞·········································································40参考文献·····································································41外文资料翻译·······························································423第1章绪论1.1研究的目的和意义动破碎机示力图机数量第一台鄂从式破碎机问世以来，至今已有140余年的历史。在此过程中，其结构得到不断的完善，而鄂式破碎机的结构简单，安全可靠，石料可供破碎机械来进在基本建设工程中，需要大量的，各种不同粒径的砂、石作为生产之用。在没行加工，来满足工程的需要。所以在生产中广泛的应用。而工程上应用最广泛的是复摆鄂式破碎机，国产的鄂式破碎最多的也是复摆鄂式破碎机。破碎机是将开采所得的天然的石料按一定尺寸进行破碎加工的机械。鄂式破碎机是有美国人E.W.Blake发明的。自第一台破碎机的出现，生产效率快，又满足安全条件，又能适应生产，大大加快了生产。复摆鄂式破碎机结构简单、制造容易、工作可靠、使用维修方便等优点，所有在冶金、矿山、建材、化工、煤炭等行业使用非常广泛。80年代以来，我国对复摆鄂式破碎机的研究和产品开发取得了较大的发展。在充分吸收国外产品特点的基础上，结合国情研制开发了许多新型、高效的设备。上海建设路桥机械设备有限公司率先对复摆鄂式破碎机进行了重大的改进，即通过降低动鄂的悬挂高度，改善动鄂的运动轨迹，减小破碎腔的啮角，增大破碎比，增大了动鄂的水平行程，提高生产能力等，大大改善了机器性能，完成了产品的更新换代。复摆鄂式破碎机主要是由两块鄂板（活动鄂板和固定鄂板）组成。活动鄂板对固定鄂板周期性的往复运动，时而靠近，时而分开，由此使装在二鄂板间的石块受到挤压、劈裂和弯曲作用而破碎。复摆鄂式破碎机的机器重量较轻，结构简单（一件连杆、一块肘板、一根心轴和一对轴承），生产效率较高（比同规格的简摆鄂式破碎机生产效率高20%—30%）。复摆鄂式破碎机适合破碎中硬度石料。在工程中，多用他做中、细碎设备，破碎比比较大，其比值可达10i。随着机械工业的进步，近年来，复摆鄂式破碎机正朝着大型化发展。所以，一个合理的传动装置可以使复摆鄂式破碎机运行的更加顺利，合理有效。动鄂的优化可使磨损大大的降低，冲击、噪声、振动都相应的减少，也减少工作人员的劳动强度，提高生产的质量，降低制造成本和缩短生产周期。不过，复摆鄂式破碎机也有它的缺点,具体如下：JB/ZQ1032一87《颗板铸造技术条件》规定齿板寿命只有60小时，按10小时工作制，每副齿板只能用6天，不4到一星期就需更换一次齿板。不仅给维修带来很大的不便，而且增加了破碎物料的成本。破碎机出口扬尘非常严重，从破碎机出来的块状和粉末状物料直冲矿石输送皮带，部分物料飞溅或滚淌到地面上，地面堆积厚厚一层物料，部分粉状物料飞扬在空中，给生产带来了很大的不便。较多的粉尘而直接影响安全生产和员工的健康，