黑龙江工程学院本科生毕业设计本科学生毕业设计轻型载货汽车制动器设计院系名称：汽车与交通工程学院专业班级：学生姓名：指导教师：职称：黑龙江工程学院二○一一年六月TheGraduationDesignforBachelor'sDegreeDesignofLightBill’sAutomobileBrakeCandidate：Specialty：Class：Supervisor：Title：HeilongjiangInstituteofTechnology2011-06·Harbin黑龙江工程学院本科生毕业设计PAGE\*MERGEFORMATII摘要从汽车诞生时起，车辆制动器在车辆的安全方面就起着决定性作用。目前，汽车所用制动器几乎都是摩擦式的，可分为鼓式和盘式两大类。盘式制动器的主要优点是在高速刹车时能迅速制动，散热效果优于鼓式刹车,制动效能的恒定性好。鼓式制动器的主要优点是刹车蹄片磨损较少,成本较低,便于维修、由于鼓式制动器的绝对制动力远远高于盘式制动器,所以普遍用于后轮驱动的卡车上，故本次轻型载货汽车采用前盘后鼓式制动器。本设计前轴采用浮动钳盘式制动器，后轴采用制动器为领从蹄式鼓式制动器。设计的主要内容包括：制动器的研究现状及意义、制动器方案的选择与分析、盘式制动器结构的设计、鼓式制动器结构的设计。关键词：轻型载货汽车，盘式制动器，鼓式制动器，制动蹄，设计ABSTRACTThebrakehasplayedasignificantroleinvehicularsecuritysincethecarwasborn.Incurrent,mostofthebrakeisfrictional,whichconcludesdiscbrakeanddrumbrake.Thechiefadvantagesofdiscbrakearethatitcanapplythebrakequicklyinhigh-speedtrig,thatithasabettercoolingfunctionthandrumtrig,andthattheapplicationofthebrakecanhavealongaffection.Whilethechiefadvantagesofdrumbrakearethattrighoofcanhavelessabrasionandcost,andthatitcanbeeasilymended.Asthedrumbrakehasahigherdragforcethandiscbrake,ituseinrearwheeldrivetruckwidely,duetothesefactions,Weusebeforethediscbrakesfollowedbythedrumbrakeinthislightshipmentcar.Thefrontaxleofthisdesignusebeforethefloatingdiscbrakes,andtherearaxleusebroughtfromthehooftypedrumbrake.Thefirstchapterofthedesigninstructionchieflyintroducesthecurrentstateandthepurportofbrake,thesecondchaptertellsthechoiceandtheanalysisofthebrakeprojectmostly,thefollowingchapterdescribesthecalculationandcheckofthediscbrakestructuraldesign,andthelastchapterintroducesthecalculationandcheckofthedrumbrakestructuraldesign.Keywords:Lightbillscar,Discbrake,drumbrakes,Brakeshoes,design.黑龙江工程学院本科生毕业设计目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc295195923"摘要PAGEREF_Toc295195923\hIHYPERLINK\l"_Toc295195924"ABSTRACTPAGEREF_Toc295195924\hIIHYPERLINK\l"_Toc295195925"第1章绪论PAGEREF_Toc295195925\h1HYPER