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中期汇报表学生姓名XX专 业XX学 号XX设计（论文）题目3131颚式破碎机结构设计与三维建模毕业设计（论文）前期工作小结一中期设计工作完成情况：首先，在开题报告提交之后，开始搜寻并查阅大量与本课题相关的资料，在和汪老师沟通后，开始进行毕业设计的相关工作。本人题目是3131颚式破碎机结构设计与三维建模。查阅相关资料，整理资料熟悉现有的颚式破碎机在国内外的发展现状，同时掌握其主要装置和结构。 通过查询相关的资料，确定主要装置有传动装置、保险装置、支承装置等。根据计算公式，确定颚式破碎机中的基本结构尺寸以及相关数据等，并进行必要的校核计算。二存在的问题及解决的措施：1，关于3131颚式破碎机具体的结构，零件的性能参数还不确定。通过翻阅资料查询有关这方面的知识，对其进行设计和确定。2，有关CAD和Solidworks的一些操作方法，还有图纸的格式进行调整等问题。需询问老师、同学以及查阅教程，学习有关这方面的知识。三后期工作安排： 总图绘制，零件图和三维图的绘制，说明书的编写，准备答辩。指导教师意见签名： 年 月 日课题申报表指导教师XX职称讲师教研室XX申报课题名称3131颚式破碎机结构设计与三维建模课题类型工程设计类课题来源B.社会生产实践课题简介颚式破碎机俗称颚破，由动颚和静颚两块颚板组成破碎腔，模拟动物的两颚运动而完成物料破碎作业的破碎机，可广泛运用于矿山冶炼、建材、公路、铁路、水利和化工等行业。本课题要求学生根据技术参数对3131颚式破碎机进行结构设计与三维建模。课题要求（包括所具备的条件）1.学生需具备机械设计、机械制图、液压传动、电气控制等基础知识，能够查阅与有效使用相关资料。 2.熟练操作计算机，熟练使用AUTOCAD等工程软件的能力。 3.提供相关设计手册、部分设计参考资料、工具书等，提供相关软件的使用指导与支持。课题工作量要求1、外文文献翻译4000字左右（与课题相关）； 2、设计说明书的字数不少于20000字； 3、毕业答辩图纸总量不少于3张A0图纸，其中包括计算机辅助绘图的工作量； 4、参考文献不少于15篇（至少2篇外文文献）。教研室审定意见 同意室主任签字：学 院审定意见同意 教学院长签字： 任 务 书 1毕业设计的背景：颚式破碎机俗称颚破，由动颚和静颚两块颚板组成破碎腔，模拟动物的两颚运动而完成物料破碎作业的破碎机，可广泛运用于矿山冶炼、建材、公路、铁路、水利和化工等行业。本课题要求学生根据技术参数对3131颚式破碎机进行结构设计与三维建模。2毕业设计(论文)的内容和要求：内容要求：1、设计一种颚式破碎机，并对其进行三维建模，设计参数：进料粒度1000mm，进料口尺寸1200x1500mm，偏心轴转速180r/min，处理能力300800t/h，排料口调整范围150350mm。2、完成颚式破碎机的机械结构设计、关键零部件的详细设计、计算与校核、绘制三维转配图。工作量要求： 1、外文文献翻译4000字左右（与课题相关）； 2、设计说明书的字数不少于20000字； 3、毕业答辩图纸总量不少于3张A0图纸，其中包括计算机辅助绘图的工作量； 4、参考文献不少于15篇（至少2篇外文文献）。3主要参考文献：1 高殿荣，王益群.液压工程师技术手册（第二版）.北京：化学工业出版社，2016年2 胡宗武.起重机设计与实例M.北京：机械工业出版社，20093 邱宣怀.机械设计手册第四版.高等教育出版社,2006年4 成大先.机械设计手册.化工工业出版社,1993年5 胡家秀.简明机械零件设计选用手册.机械工业出版社,1999年6 陈道南，盛汉中.起重机课程设计M.北京：冶金工业出版社，19937 张质文，王金诺，虞和谦等.起重机设计手册M.北京：中国铁道出版社，19988中国机械工程学会塑性工程学会.锻压手册（第3版）.北京：机械工业出版社，2015年4毕业设计(论文)进度计划(以周为单位)：1-2周 查询相关文献，收集资料，翻译外文资料、确定系统总体设计方案，并递交开题报告。34周 对各主要机构进行方案设计并完善。59周 对关键部件进行详细设计、计算与校核；1012周 绘制、修改并完善图纸、编写设计说明书。13周 完成答辩。教研室审查意见： 室主任签名： 年 月 日学院审查意见： 教学院长签名： 年 月 日开题报告课题名称3131颚式破碎机结构设计与三维建模课题来源社会生产实践课题类型工程设计类1选题的背景及意义：颚式破碎机俗称颚破，由动颚和静颚两块颚板组成破碎腔，模拟动物的两颚运动而完成物料破碎作业的破碎机，其结构简单、工作可靠、制造容易、维修方便、价格低廉、适用性强，广泛运用于矿山冶炼、建材、公路、铁路、水利和化工等行业。本课题对3131颚式破碎机进行结构设计并进行三维建模。通过三维模型的建立，降低了对设计者空间想象力的要求和制图的劳动强度，使设计者可以更加专注于产品的设计上，大大地提高了设计水平和设计效率，为破碎机类机械产品的三维化设计提供了有效参考。 2研究内容拟解决的主要问题：本课题所需解决的问题是确定颚式破碎机结构设计方案，并在此基础上，选择确定各组成部件，并校核其性能。首先，进行系统总体方案的设计，其中包括各主要机构的设计及相关计算参数；其次，对调整机构、动颚拉紧装置、传动装置等关键部件进行详细设计、计算与校核；再者，确定其它各组成部分；最后，根据所确定参数绘制不少于3张A0图纸和其三维立体模型，并完成说明书（并完成不少于20000字的设计说明书）。3研究方法技术路线：1、查阅颚式破碎机的期刊文献及图书，了解颚式破碎机类型及功用，了解颚式破碎机的发展概括及工业上的应用和要求等。2、熟悉颚式破碎机的结构及工作原理，并了解与其他类型的颚式破碎机的不同之处，选择颚式破碎机的机型、结构组成及零部件类型，确定传动方案。3、熟悉颚式破碎机的整体结构方案，颚式破碎机的主要参数的设计与工作参数的设计。4、对颚式破碎机的主要零部件进行结构设计；电动机的选择和传动装置的设计；参考相关结构和有关资料文献，选择各部分的结构、材料和尺寸，然后对其进行受力分析。并对一些重要的零件和结构进行校核计算。5、绘制颚式破碎机的整体装配图和绘制颚式破碎机的主要零部件图。 6、运用绘图软件绘制颚式破碎机的三维立体模型，并完成设计说明书。 4研究的总体安排和进度计划：1周 查询相关文献，收集资料，翻译外文资料。2周 确定系统总体设计方案，并递交开题报告。3周 对各主要机构进行方案设计并完善。4周 颚式破碎机参数的选择和计算。5周 颚式破碎机的运动分析及动力分析。6周 机构尺寸参数的确定及破碎腔的设计。7周 颚式破碎机动力学参数设计。8周 对关键部件进行详细设计、计算与校核。9周 进行机械设计系统审查，开始设计图纸10周 绘制并修改图纸、完善图纸。11周 利用三维软件，绘制其三维立体模型。12周 编写设计说明书。13周 完成答辩。5主要参考文献：1 高殿荣，王益群.液压工程师技术手册（第二版）.北京：化学工业出版社，2016年2 2、廖汉元、孔建益、钮国辉.腭式破碎机. 机械工业出版社，1998年3 邱宣怀.机械设计手册第四版.高等教育出版社,2006年4 成大先.机械设计手册.化工工业出版社,1993年5 胡家秀.简明机械零件设计选用手册.机械工业出版社,1999年6 袁震东. 数学建模方法M. 华东：华东师范大学出版社，2003年7 喻志方，谢昭绵著. 颚式及回转破碎机不平衡惯性力的确定. 冶金工业部长沙有色冶金设计院, 1964年8 中国机械工程学会塑性工程学会.锻压手册（第3版）.北京：机械工业出版社，2015年9 郎宝贤.颚式破碎机现状与发展.矿山机械 , 2004年10 窦照亮, 董为民 , 王瑞华.颚式破碎机工作装置的运动仿真分析.矿山机械 , 2009年11 陈德华，仲梁维.颚式破碎机运动轨迹的计算机仿真研究.现代制造工程 , 2010年12 宋建蓉，吴军.颚式破碎机运动特性研究.机械制造与自动化 , 2009年13 窦照亮.颚式破碎机机构参数优化和破碎力仿真分析.昆明理工大学 , 2010年14 BM Olaleye.Influence of some rock strength properties on jaw crusher performance in granite quarry.15 B Lang.Status and Development of Jaw Crusher.指导教师意见： 指导教师签名： 年 月 日教研室意见： 通过，同意开题 教研室主任签名： 年 月 日学院意见： 教学院长签名： 年 月 日指导记录第一次指导记录： 指导地点 年 月 日第二次指导记录：指导地点 年 月 日第三次指导记录： 指导地点 年 月 日第四次指导记录： 指导地点 年 月 日 第五次指导记录： 指导地点 年 月 日第六次指导记录：指导地点 年 月 日第七次指导记录：指导地点 年 月 日第八次指导记录： 指导地点 年 月 日 第九次指导记录： 指导地点 年 月 日 第十次指导记录： 指导地点 年 月 日 第十一次指导记录： 指导地点 年 月 日 第十二次指导记录： 指导地点 年 月 日 第十三次指导记录： 指导地点 年 月 日 第十四次指导记录： 指导地点 年 月 日 第十五次指导记录： 指导地点 年 月 日 中期情况检查表 学院名称： XX 检查日期： 2018 年 4 月 25 日学生姓名XX专 业XX指导教师XX设计（论文）题目3131颚式破碎机结构设计与三维建模工作进度情况 是否符合任务书要求进度能否按期完成任务工作态度情况(态度、纪律、出勤、主动接受指导等) 质量评价(针对已完成的部分) 存在问题和解决办法 检查人签名 教学院长签名 指导教师评阅表学院： XX 专业： XX 学生： XX 学号： XX 题目：3131颚式破碎机结构设计与三维建模 评价项目评价要素成绩评定优良中及格不及格工作态度工作态度认真，按时出勤能按规定进度完成设计任务选题质量选题方向和范围选题难易度选题理论意义和实际应用价值能力水平查阅和应用文献资料能力综合运用知识能力研究方法与手段实验技能和实践能力创新意识设计论文质量内容与写作结构与水平规范化程度成果与成效指导教师意见建议成绩是否同意参加答辩评语： 指导教师签名：年 月 日 评阅教师评阅表学院： XX 专业： XX 学生： XX 学号： XX 题目： 3131颚式破碎机结构设计与三维建模 评价项目评价要素成绩评定优良中及格不及格选题质量选题方向和范围选题难易度选题理论意义和实际应用价值能力水平查阅和应用文献资料能力综合运用知识能力研究方法与手段实验技能和实践能力创新意识设计论文质量内容与写作结构与水平规范化程度成果与成效评阅教师意见建议成绩 是否同意参加答辩 评语： 评阅教师签名：年 月 日 答辩及综合成绩评定表学 院XX 专 业XX 学生姓名XX 学 号XX 指导教师XX 设计论文题 目3131颚式破碎机结构设计与三维建模答辩时间2018 年 5 月 30 日 10 时 00 分至 10 时 20 分答辩地点敬本楼A504 答辩小组成 员姓名李菊丽崔增柱刘磊丁明职称教授讲师讲师教授答辩记录提问人提问主要内容学生回答摘要 答辩记录人签名：答辩小组意见答辩评语： 答辩成绩： 答辩小组组长签名：综合成绩评定指导教师评定成绩评阅教师评定成绩答辩成绩综合评定成绩答辩委员会主任签名： 年 月 日 15Influence of some rock strength properties on jaw crusher performance in granite quarryAbstract：The influence of rock strength properties on Jaw Crusher performance was carried out to determine the effect of rock strength on crushing time and grain size distribution of the rocksInvestigation was conducted on four different rock samples namely marbledolomite1imestone and granite which were representatively selected from fragmented lumps in quarriesUnconfined compressive strength and Point load tests were carried out on each rock sample as well as crushing time and size analysisThe results of the strength parameters of each sample were correlated with the crushing time and the grain size distribution of the rock types。The results of the strength tests show that granite has the highest mean value of 101.67 MPa for Unconfined Compressive Strength(UCS)test6.43 MPa for Point Load test while dolomite has the least mean value of 30.56 MPa for UCS test and 0.95MPa for Point Load test.According to the International Society for Rock Mechanic OSRM)standardThe granite rock sample maybe classified as having very high strength and dolomite rock sample，low strengthAlso，the granite rock has the highest crushing time(2 1O s)and dolomite rock has the least value(50 s)Based on the results of the investigation，it was found out that there is a great influence of strength properties on crushing time of rock types1 IntroductionJaw crushers are used for reducing the size of solid material, such as mineral material for example in mining industry. Usually jaw crushers comprise two vertical jaws, where the first jaw is fixedly mounted and the second jaw is arranged movable to and fro relative to the first jaw. The material to be crushed is fed between the jaws and subjected to the pressing and relieving actions of the moving jaw. The jaws are arranged in tapered manner so that they are farther apart at the top than at the bottom, and the material, which is crushed travels at the same time downwards towards the discharge opening.The crushing occurs between the two jaws, whereby the surface of the jaws is subjected to heavy wear and abrasion. The wear surfaces of the jaws are usually made of wear resistant material, such as manganese steel. However, when very abrasive minerals are crushed, the wear surfaces are rapidly eroded and they must be replaced. Replacement of the wear surface requires that the operation of the jaw crusher must be interrupted, which leads to process downtime and losses in operational efficiency. The strength of a material refers to the materials ability to resist an applied forceStrength property of rock is the ability of the rock material to resist failure when load is applied without yielding or fractureThe mechanical properties of rock depend upon the interaction between the crystals，particles and cementation material of which it is composedThe yield strength of a material is an adequate indicator of the materials mechanical strength and is the parameter that predicts plastic deformation in the materialfrom which one can make informed decisions on how to increase the strength of a material depending on its micro-structural properties and the desired end effectStrength is considered in terms of compressive strength，tensile strength，and shear strength，namely the limit states of compressive stress，tensile stress and shear stress，respectivelyAccording to Reference，the effect of dynamic loading is probably the most important practical part of the strength of materials，especially the problem of fatigueRepeated loading often initiates brittle cracks，which grow slowly until failure occursIt is of paramount importance to first carryout size reduction of an ore or rock material on a laboratory scale for the ore or rock material to be profitably andeconomically processed industriallyThis permits the determination of parameters such as liberation size，grindability，coarse to medium to fine proportion in any product of the crushing and grinding equipment and the proportion of values of gangues in the finesJaw Crusher is used for crushing rock material in mines and quarries.Replacement of the wear surface requires that the operation of the jaw crusher must be interrupted, which leads to process downtime and losses in operational efficiency. Naturally, the process costs are also increased.It provides the latest technology in heavy duty crusher design that delivers high production，infinite setting adjustment，larger feed opening bolted mainframe，cast swing，jaw holder and optional positioning of the crusher support feet to suit installation requirement. This crusher is designed for exceptional heavy and continuous application with heavy duty part for optimum operation and long life and this can be influenced by the strength properties of the rockThe influence of rock strength property can result to the loss of capacity to perform the stipulated function for which jaw crusher was designed The UCS was the main quantitative method for characterizing the strength of rock materialsPoint load test is used to determine rock strength indexes in geotechnical practiceRock lithologies were classified into general categories and conversion factors were determined for each categoryThis allows for intact rock strength data to be made available through point load testing for numerical geotechnical analysis and empirical rock mass classification systems such as the Coal Mine Roof Rating(CMRR) Crushing is an integral portion for mineral processing operations and is critical for the preparation of ore for downstream process for mineral processing operationsCrushing of quarried rock is carried out in stages，with the primary crushing stage typically carried out using jaw crusher and subsequent(secondary and tertiary)From field observation，the greater the number of crushing stage，the higher the amount of fine produced as a proportion of total plant throughoutThe type of crusher used also directly controls the amount of fines produced A recent study of quarry fines looked at possible relationship between quarry plant operation and the generation of quarry finesThe conclusion drawn have been critically revealed that hard rock aggregate plant production is directly proportional to the number of crushing stages；it increases with an increase in production stageLow reduction fines generation at each stage especially where the rock or mineral are fragile，however，the cumulative fines production may be higher than a process using fewer stages with higher reduction The panicle size analysis is the method used to determine the particle size distribution or the grain size distribution of rockore materialsIn practice，close size control of feed to mineral processing equipment is required in order to reduce the size effect and make the relative motion of the particles separation dependentThe particle size distribution of a matedal is important in understanding its physical and chemical propeniesIt affects the strength and load bearing properties of rocksThe easiest conventional method of determining mineral particle size is sieve analysis，where grain size is separated on sieve of different sizesapertures using Sieve ShakerThus the particle size distribution is defined in tems of discrete size ranges and measured in micronIt is usually determined over a list of size ranges that covers nearly all the sizes present in the sampleSome methods of determination allow much narrower size ranges to be defined that can be obtained by use of sieves and are applicable to panicle sizes outside the range available in sievesHowever，the idea of notionalsievethatretainsparticles above a certain size andpassespanicles below that size is universally used in presenting panicle size distribution data of all kindsThe size distribution may be expressed as arangeanalysis，in which the amount in each size range is listed in order of fineness of particlesIt may also be presented incumulative formin which the total of all sizesretainedorpassedby a single notionalsieveis given for a range of sizesRange analysis is suitable when a particular ideal midrange panicle size is being sought while cumulative analysis is used where the anlount of under-size orover-sizemust be controlledAccording to one embodiment of the invention the wear surface structure comprises a plurality of wear inserts arranged in a pattern. The wear inserts may be arranged to form a desired pattern on the wear surface structure of the jaw crusher in order to optimise the throughput of crushed material. By proper arrangement and selection of different insert cross sectional forms and sizes and/or heights on different parts of the wear surface of the jaw it is also possible to optimise the wear protection. For example, it is possible to arrange higher number of inserts in the centre part of the wear surface structure. It is also possible to optimise the capacity and jaw wear in the crushing process by using wear surface structures with different insert patterns.Furthermore, an uneven wear of the wear surface structure has been a problem in the known solutions. In earlier solutions the matrix material of the jaw surface structure has been rapidly and unevenly worn out and caused various problems. 2 Materials and methodThe rock samples used for the investigation were obtained from different quarries in NigeriaDolomite，limestone and marble samples were collected from Edo State and granite rock samples from Ondo State. NigeriaFive boulders of each rock type of dimension 90 cm50 cm50 cm were representatively selected from recently blasted portion of the rocks which were ftee from natural defects，that is,discontinuities such as cracks，joints，fractures etc were packed properly to avoid damage during transportationFor the unconfined compressive strength test，the rock sample was cut into square shape with dimension of 60 mm60 mm with masonry saw and Vernier caliper was used to measure the dimensionAlsofor the point load test，the rock samples were broken into irregular shape with sledge hammerVernier caliper was used to measure the diameter and length of irregular shaped rock samples from the different locationsThe mean value for length ad diameter was detemined . The rock samples were prepared and tested in the laboratory to Intemational Society for Rock Mechanics Standard for each strength test carried out using Masonry Saw Machine and Compression Testing Machine and Point Load Tester respectivelyThe readings were taken and recordedThe size reduction of equal weighed of the rock samples was done using Laboratory Jaw crusher and the particle size distribution was carried out in notional set of sieves using Sieve ShakerThe crushing times were taken and recorded and the weights of samples retained on the sieves recorded for size distributionThe rock sample were cut into square shape by using masonry cutting machine，the cut samples were smooth，free of abrupt irregularities and strengthFive specimen of each of the rock samples were tested and the failure load was recorded for each test as the failure was observed axlally in the compressive testing machineSome lumps of the different rock types were then crushed using the Laboratory Jaw crusher and taken record of the crushing timesThe screening of the crushed rock samples was carried out in a set of sieve using the Laboratory Sieve ShakerThe sieve was arranged in the order of decreasing apenure：4700，2000，1700，11 80，850，600，425，and 212 by placing the sieve that has the largest opening at the top and the least opening at the bottomA tight fitting pan or receiver was placed below the bottom sieve to receive the finest grained which is referred to as undersizeThe crushed sample was placed on the top sieve and a lid was used to cover it to prevent escape of the rock sample during me processThe set of the sieve was then placed in a sieve shaker which vibrates the sieve for proper screeningThis operation was carried out on each of the rock sample for five minutesThis was achieved by using the automatic control timer of the sieve shakerAfter the screening analysis，the retained sample on each sieve was measured on weigh balance and recorded to the cotresponding sieve opening size颚式破碎机在花岗岩采掘中受岩石强度性能的影响摘要岩石强度性能的影响在颚式破碎机性能上取决于破碎的时间和岩石粒度分配。调查被分为了四个不同的岩石样品，既是从采掘场支离破碎的块状中挑选出的具有代表性的大理石，白云石，石灰石，和花岗岩样品。对每种样品都做了在相同的破碎时间和粒级分析下的无测限抗压强度和集中载荷试验。每一种样品的受力参数都和它们的破碎时间和各自岩石类型的粒度分配一一的关联起来。强度载荷试验表明花岗岩是最高的达到101.67MP的无测限抗压强度，6.43MP的点载荷试验，然而白云石在无测限抗压强度只达到了30.56，在点载荷试验的为0.95MP。通过国际社会岩石机械强度标准，花岗岩样品被分类为了具有很高的强度白云石为较低的强度。而且，花岗岩具有着最高的破碎时间（21.秒），白云石具有最少的破碎时间值（5.0秒）。基于试验的结果可以看到，各种岩石类型的破碎时间受到很多强度性能的影响。1介绍颚式破碎机用于减少固体材料的尺寸，例如采矿工业中的矿物材料。通常颚式破碎机包括两个垂直钳口，其中第一钳口固定安装，第二钳口相对于第一钳口可前后移动。将被压碎的材料在颚之间进给，并受到动颚的压紧和缓解作用。钳口以锥形方式布置，使得它们在顶部比底部更远离，并且被压碎的材料同时向下朝着排放开口行进。挤压发生在两颚之间，从而颌面受到严重摩擦和磨损。钳口的磨损表面通常由耐磨材料制成，如锰钢。然而，当研磨性矿物被粉碎时，磨损表面被迅速侵蚀并且必须被替换。磨损表面的更换要求颚式破碎机的操作必须中断，这导致加工停机时间和操作效率的损失。材料的强度关系到这种材料抵抗外部压力的能力。岩石的强度性能是当负载没有屈服或者断裂时岩石材料抵抗破坏的能力。岩石的力学性质取决于晶体之间的相互作用，它是由颗粒和胶结物质组成。材料的屈服强度是材料的机械强度的指标参数也是预测材料塑性变形的依据，从此可以从其微观结构特性和期望效果中对如何提高材料的强度做出明智的决定。强度被认为分别是抗压强度，抗拉强度，抗剪强度，即对压应力，拉应力和剪应力极限状态计算。据参考，动态负载效应可能是材料强度的最重要实践部分，尤其是在疲劳问题上。重复载荷常常会产生裂缝，当其增长缓慢直到发生故障。这使得粉碎磨料和非常磨料的材料成为可能，并使破碎过程中的停机时间最小化，从而提高了总吞吐量和生产率。还可以根据被压碎的材料优化磨损表面结构的耐磨性。最为重要的就是在实验室规模的矿石破碎使之工业加工的有利性和经济性。在任何破碎和研磨设备产品中贵重细磨矿石就被限制例如释放大小，可磨性参数测定，由