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当前位置:首页 > 商业/管理/HR > 项目/工程管理 > 3JW-1200型调速型无极绳绞车的液压调速装置设计
1摘要目前使用的无极绳绞车属于直接启动,无调速性能,在使用中,启动平稳性不好,不能够进行调速,当矿车运行到直角弯道、变坡点或轨道不平等处需要慢性的场合,由于速度不易控制,就对绞车、矿车或牵引的设备引起冲击、造成矿车掉道等问题,一定程度上影响了安全高效生产。针对井下特殊的环境,改造现有的无极绳绞车,利用液压泵驱动液压马达代替原来的防爆电机,实现无极调速,使绞车能够平稳的起步,方便的调速,能够针对不同的工况,使用不同的速度来运行,得到安装维护简单、使用方便、节省人力、安全高效、运行可靠的目的。而液压技术的发展,使液压调速控制绞车更具有结构紧凑、造价便宜、起动平稳、调速方便、过载保护等优点,由于这里不能上传完整的毕业设计(完整的应包括毕业设计说明书、相关图纸CAD/PROE、中英文文献及翻译等),此文档也稍微删除了一部分内容(目录及某些关键内容)如需要其他资料的朋友,请加叩扣:贰二壹伍八玖壹壹五一特别是采用鼠笼式电机拖动,使电控系统简单,实现了防爆要求。关键词:无极绳绞车无极调速液压2AbstractCurrentuseofendlessropewinchbelongstostartdirectly,withouttheperformanceofspeedadjustment,inuse,asmoothstartcannotcontrol,whenthecarrunsintoaright-angledbend,variableslopeortrackinequalityrequirechronicsituations,becausethespeedisnoteasytocontrol,thewinch,ortraction.Thedevicecausedbyimpact,causingthecaroffthetrackandotherissues,tosomeextentaffectedthesafetyandhighefficiencyproduction.Accordingtothespecialenvironment,reformingtheexistingendlessropewinch,hydraulicpumpdrivenbyhydraulicmotorinsteadoftheexplosion-proofmotor,torealizesteplessspeedregulation,sothatthewinchcansmoothstarting,convenientspeedregulation,canaccordingtothedifferentconditions,usingdifferentspeedofoperation,hassimpleinstallationandmaintenance,convenientuse,laborsaving,safeandefficient,reliableoperationofthepurposeof.Andthedevelopmentofhydraulictechnology,thehydraulicspeedcontrolwinchhascompactstructure,lowcost,stablestarting,convenientspeedregulation,overloadprotectionandotheradvantages,particularlythesquirrel-cagemotor,thecontrolsystemissimple,achieveexplosion-proofrequirements.Keywords:endlessropewinchsteplessspeedregulationofsmoothstarting3目录前言...........................................................................................................................5第一章现有无极绳绞车总体概况和发展.........................................................61.1无极绳绞车用途.....................................................................................61.2传统无极绳绞车各零件及工作原理..................................................71.2.1绞车...............................................................................................71.2.2张紧装置......................................................................................91.2.3梭车.............................................................................................101.2.4轮组.............................................................................................111.3传统无极绳绞车存在的问题.............................................................131.4国内外防爆液压绞车的发展.............................................................141.4.1国外防爆液压绞车的技术水平及发展趋势.......................141.4.2国内防爆液压绞车的技术水平及发展趋势.......................15第二章传统无极绳绞车改造方案.....................................................................172.1绞车基本情况........................................................................................172.2存在问题................................................................................................172.3解决问题的方案...................................................................................17第三章无极绳绞车驱动工况分析和确定液压系统的主要参数................213.1载荷的组成和计算..............................................................................213.1.1工作载荷力矩Fg.......................................................................213.1.2轴颈摩擦力矩Tf.......................................................................213.1.3惯性力矩Ta...............................................................................223.2初选系统工作压力..............................................................................233.3确定液压泵的最大工作压力Pp........................................................24第四章制定基本方案和绘制液压系统图.......................................................254.1系统基本方案制定..............................................................................254.1.1制定调速方案...........................................................................254.1.2制定压力控制方案..................................................................2644.1.3制定顺序动作方案..................................................................264.1.4选择液压动力源.......................................................................274.2绘制液压系统图...................................................................................28第五章液压元件的选择......................................................................................305.1液压泵的选择.......................................................................................305.2液压马达的选取...................................................................................315.2.1确定液压马达的流量..............................................................315.2.2确定液压马达扭矩..................................................................315.2.3计算液压马达的排量..............................................................315.2.4选定液压马达...........................................................................325.3液压阀的选择.......................................................................................325.4蓄能器的选择.......................................................................................325.5管道尺寸的确定............................
本文标题:3JW-1200型调速型无极绳绞车的液压调速装置设计
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