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1、湖南科技大學(xué)畢業(yè)設(shè)計(jì)（論文）題目領(lǐng)從蹄式制動(dòng)器的結(jié)構(gòu)設(shè)計(jì)作者學(xué)院機(jī)電工程學(xué)院專(zhuān)業(yè)車(chē)輛工程學(xué)號(hào)指導(dǎo)教師二〇一六年五月二十日湖南科技大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）摘要制動(dòng)器的制動(dòng)效能高、工作穩(wěn)定性好對(duì)汽車(chē)在行駛過(guò)程中的安全性和可靠性具有重要意義。本文根據(jù)吉利全球鷹轎車(chē)的性能參數(shù)，設(shè)計(jì)與開(kāi)發(fā)了一種能夠滿(mǎn)足使用要求的領(lǐng)從蹄式鼓式制動(dòng)器。主要內(nèi)容包括領(lǐng)從蹄式制動(dòng)器的調(diào)研、論文開(kāi)題及參數(shù)計(jì)算、領(lǐng)從蹄式制動(dòng)器參數(shù)設(shè)計(jì)、領(lǐng)從蹄式制動(dòng)器的結(jié)構(gòu)設(shè)計(jì)、基于CATIA平臺(tái)的領(lǐng)從蹄式制動(dòng)器三維模型的建立，領(lǐng)從蹄式制動(dòng)器工程圖的繪制；總體方案設(shè)計(jì)內(nèi)容包括分析比較不同類(lèi)型的鼓式制動(dòng)器特點(diǎn)，結(jié)合吉利全球鷹性能要求，確
2、定了采用領(lǐng)從蹄式制動(dòng)器作為吉利全球鷹后輪制動(dòng)器的總體方案；制動(dòng)力和制動(dòng)力分配系數(shù)、同步附著系數(shù)、制動(dòng)強(qiáng)度和附著系數(shù)利用率、制動(dòng)器最大制動(dòng)力矩、制動(dòng)器的結(jié)構(gòu)參數(shù)與摩擦系數(shù)是制動(dòng)器的主要參數(shù)；促動(dòng)系統(tǒng)的設(shè)計(jì)包括促動(dòng)裝置選型、制動(dòng)管路的回路選型、制動(dòng)輪缸的直徑和工作容積、制動(dòng)踏板力和制動(dòng)行程、制動(dòng)力矩、制動(dòng)器熱容量等結(jié)構(gòu)參數(shù)；對(duì)制動(dòng)蹄壓力分布規(guī)律和徑向變形規(guī)律、行車(chē)制動(dòng)效能、摩擦襯片的磨損特性、溫升的核算、駐車(chē)制動(dòng)極限傾角等性能參數(shù)進(jìn)行了分析；完成了制動(dòng)臂、制動(dòng)凸輪軸、制動(dòng)蹄支承銷(xiāo)、緊固摩擦片鉚釘?shù)戎饕悴考慕Y(jié)構(gòu)強(qiáng)度校核；通過(guò)結(jié)構(gòu)設(shè)計(jì)、結(jié)構(gòu)強(qiáng)度校核、CATIA三維模型建立及工程圖的繪制
3、，最終完成了領(lǐng)從蹄式制動(dòng)器的設(shè)計(jì)。關(guān)鍵詞：領(lǐng)從蹄式制動(dòng)器；促動(dòng)系統(tǒng)；制動(dòng)力矩；CATIA三維模型全套圖紙，加-iv-湖南科技大學(xué)本科生畢業(yè)設(shè)計(jì)（論文）ABSTRACTDesignahighbrakingefficiency,reliability,goodjobstabilityisimportantbrakeoncarsandcarsafetyintheprocessofmoving.AccordingtoGeelyGlobalHawkcarperformanceparameters,designedanddevelopedawaytomeettherequirementsofl
4、eadingtrailingshoedrumbrakes.Themaincontentsincludeleadingfromshoebrakeresearch,thesisproposalandparametercalculation,leadingfromtheshoebrakedesignparameters,leadingfromthestructuraldesignshoedrumbrake,basedonCATIAplatformleadingfromtheestablishmentshoebrakesthree-dimensionalmodel,drawingfroml
5、eadingshoebrakesdrawings;overallprogramdesignincludesanalysisandcomparisonofdifferenttypesofdrumbrakesfeatures,combinedwithGeelyglobalHawkperformancerequirements,wedeterminedusingthecollarfromshoebrakesasGeelyglobalHawkoverallschemeoftherearwheelbrake;themainparametersincludebrakebrakingforcea
6、ndbrakingforcedistributioncoefficient,synchronizationadhesioncoefficient,thebrakingstrengthandadhesioncoefficientutilization,themaximumbrakingtorquebrake,structuralparametersandthecoefficientoffrictionbrake;actuatingdeviceisdesignedactuationsystemcomprisesselection,selectioncircuitbrakepipe,br
7、akewheelcylinderdiameterandvolumeoftheworkforceandthebrakepedalstrokeofthebrake,braketorque,brakethermalcapacityandotherstructuralparameters;analysisofthedistributionofpressureandradialbrakeshoesdeformation,servicebrakeperformance,andwe
