【正文】 西南科技大學(xué)城市學(xué)院本科生畢業(yè)論文 I 汽車盤(pán)式制動(dòng)器設(shè)計(jì) 摘要 ： 本文主要是介紹盤(pán)式制動(dòng)器的分類以及各種盤(pán)式制動(dòng)器的優(yōu)缺點(diǎn)，對(duì)所選車型制動(dòng)器的選用方案進(jìn)行了選擇，針對(duì)盤(pán)式制動(dòng)器做了主要的設(shè)計(jì)計(jì)算，同時(shí)分析了汽車在各種附著系數(shù)道路上的制動(dòng)過(guò)程，對(duì)前后制動(dòng)力分配系數(shù)和同步附著系數(shù)、利用附著系數(shù)、制動(dòng)效率等做了計(jì)算。在滿足制動(dòng)法規(guī)要求及設(shè)計(jì)原則要求的前提下，提高了汽車的制動(dòng)性能。 關(guān)鍵詞 ：盤(pán)式制動(dòng)器 ； 制動(dòng)力分配系數(shù) ； 同步附著系數(shù) ； 利用附著系數(shù) ； 制動(dòng)效率 西南科技大學(xué)城市學(xué)院本科生畢業(yè)論文 II Automobile disc brake design Abstract： This paper is mainly the disc brake of the classification and various kinds of disc brake of the advantages and disadvantages are introduced, the selection scheme of the chosen vehicle brake was selected and for disc brake do the main design calculation and analysis of the car in a variety of attachment coefficient road on the braking process of, of braking force distribution coefficient and the synchronous adhesion coefficient, utilization coefficient of adhesion, braking efficiency calculated. Under the premise of meeting the requirements of the braking regulation requirement and design principle and improve the braking performance of automobile. Key words: Disc brake,Braking force distribution,coefficient,Synchronization coefficient,Synchronous adhesion coefficient,The use of adhesion coefficient,Braking efficiency 西南科技大學(xué)城市學(xué)院本科生畢業(yè)論文 III 目錄 第 1 章 緒論 ............................................................................................................. 5 制動(dòng)器的作用 ............................................................................................ 5 制動(dòng)器的種類 ............................................................................................ 5 制動(dòng)器的組成 ............................................................................................ 6 制動(dòng)器的新發(fā)展 ........................................................................................ 7 對(duì)制動(dòng)器的要求 ........................................................................................ 7 工作任務(wù)及要求 ........................................................................................ 9 制動(dòng)器研究方案 ...................................................................................... 10 第 2 章 制動(dòng)器機(jī)構(gòu)形式的選擇 ............................................................................11 方案選擇的依據(jù) .......................................................................................11 制動(dòng)器的種類 ...........................................................................................11 盤(pán)式制動(dòng)器的結(jié)構(gòu)型式及選擇 .............................................................. 12 盤(pán)式制動(dòng)器與鼓式制動(dòng)器優(yōu)缺點(diǎn)比較 .................................................. 15 雅閣六代車型制動(dòng)器結(jié)構(gòu)的最終方案 .................................................. 16 第 3 章 制動(dòng)器主要參數(shù)及其選擇 ....................................................................... 17 雅閣六代基本參數(shù)確定 .......................................................................... 17 輪滾動(dòng)半徑 er ............................................................................. 17 空、滿載時(shí)的軸荷分配 ............................................................... 17 空、滿載時(shí)的質(zhì)心高度 ............................................................... 18 制動(dòng)力與制動(dòng)力分配系數(shù) ...................................................................... 18 同步附著系數(shù)計(jì)算 .................................................................................. 22 制動(dòng)器最大制動(dòng)力矩 .............................................................................. 25 利用附著系數(shù)和制動(dòng)效率 ...................................................................... 26 利用附著系數(shù) ............................................................................... 27 制動(dòng)效率 Ef 、 Er ....................................................................... 28 制動(dòng)器制動(dòng)性能核算 .............................................................................. 29 第 4 章 制動(dòng)器主要零件的設(shè)計(jì)計(jì)算與校核 ....................................................... 30 制動(dòng)盤(pán)主要參數(shù)確定 .............................................................................. 30 西南科技大學(xué)城市學(xué)院本科生畢業(yè)論文 IV 制動(dòng)盤(pán)直徑 D ............................................................................... 30 制動(dòng)盤(pán)厚度 h................................................................................ 30 摩擦襯塊主要參數(shù)的確定 ...................................................................... 30 摩擦襯塊內(nèi)半徑和外半徑 ........................................................... 30 摩擦襯塊有效半徑 ....................................................................... 31 摩擦襯塊的面積和磨損特性計(jì)算 ............................................... 32 摩擦襯塊參數(shù)設(shè)計(jì)校核 ............................................................... 34 駐車制動(dòng)計(jì)算與校核 .............................................................................. 35 液壓制動(dòng)驅(qū)動(dòng)機(jī)構(gòu)的設(shè)計(jì)計(jì)算 .............................................................. 37 制動(dòng)輪缸直徑 d 與工作容積 V ................................................... 37 制動(dòng)主缸直徑與工作容積 ........................................................... 38 制動(dòng)踏板力 ................................................................................... 39 踏板工作行程 PS ......................................................................... 39 第 5 章 制動(dòng)器主要零件的結(jié)構(gòu)設(shè)計(jì) ................................................................... 40 制動(dòng)盤(pán) ...................................................................................................... 40 制動(dòng)盤(pán)材料及要求 ....................................................................... 40 制動(dòng)盤(pán)分類及比較 ....................................................................... 40 制動(dòng)鉗 ...................................................................................................... 41 制動(dòng)塊 ...................................................................................................... 42 摩擦材料 .................................................................................................. 42 盤(pán)式制動(dòng)器工作間隙的調(diào)整 .................................................................. 44 總 結(jié) ....................................................................................................................... 45 致 謝 ..........................................