【正文】 西南科技大學(xué)城市學(xué)院本科生畢業(yè)論文 I 汽車盤式制動器設(shè)計 摘要 ： 本文主要是介紹盤式制動器的分類以及各種盤式制動器的優(yōu)缺點，對所選車型制動器的選用方案進行了選擇，針對盤式制動器做了主要的設(shè)計計算，同時分析了汽車在各種附著系數(shù)道路上的制動過程，對前后制動力分配系數(shù)和同步附著系數(shù)、利用附著系數(shù)、制動效率等做了計算。在滿足制動法規(guī)要求及設(shè)計原則要求的前提下，提高了汽車的制動性能。 關(guān)鍵詞 ：盤式制動器 ； 制動力分配系數(shù) ； 同步附著系數(shù) ； 利用附著系數(shù) ； 制動效率 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 制動器的作用 ............................................................................................ 5 制動器的種類 ............................................................................................ 5 制動器的組成 ............................................................................................ 6 制動器的新發(fā)展 ........................................................................................ 7 對制動器的要求 ........................................................................................ 7 工作任務(wù)及要求 ........................................................................................ 9 制動器研究方案 ...................................................................................... 10 第 2 章 制動器機構(gòu)形式的選擇 ............................................................................11 方案選擇的依據(jù) .......................................................................................11 制動器的種類 ...........................................................................................11 盤式制動器的結(jié)構(gòu)型式及選擇 .............................................................. 12 盤式制動器與鼓式制動器優(yōu)缺點比較 .................................................. 15 雅閣六代車型制動器結(jié)構(gòu)的最終方案 .................................................. 16 第 3 章 制動器主要參數(shù)及其選擇 ....................................................................... 17 雅閣六代基本參數(shù)確定 .......................................................................... 17 輪滾動半徑 er ............................................................................. 17 空、滿載時的軸荷分配 ............................................................... 17 空、滿載時的質(zhì)心高度 ............................................................... 18 制動力與制動力分配系數(shù) ...................................................................... 18 同步附著系數(shù)計算 .................................................................................. 22 制動器最大制動力矩 .............................................................................. 25 利用附著系數(shù)和制動效率 ...................................................................... 26 利用附著系數(shù) ............................................................................... 27 制動效率 Ef 、 Er ....................................................................... 28 制動器制動性能核算 .............................................................................. 29 第 4 章 制動器主要零件的設(shè)計計算與校核 ....................................................... 30 制動盤主要參數(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 制動盤直徑 D ............................................................................... 30 制動盤厚度 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算 ............................................... 32 摩擦襯塊參數(shù)設(shè)計校核 ............................................................... 34 駐車制動計算與校核 .............................................................................. 35 液壓制動驅(qū)動機構(gòu)的設(shè)計計算 .............................................................. 37 制動輪缸直徑 d 與工作容積 V ................................................... 37 制動主缸直徑與工作容積 ........................................................... 38 制動踏板力 ................................................................................... 39 踏板工作行程 PS ......................................................................... 39 第 5 章 制動器主要零件的結(jié)構(gòu)設(shè)計 ................................................................... 40 制動盤 ...................................................................................................... 40 制動盤材料及要求 ....................................................................... 40 制動盤分類及比較 ....................................................................... 40 制動鉗 ...................................................................................................... 41 制動塊 ...................................................................................................... 42 摩擦材料 .................................................................................................. 42 盤式制動器工作間隙的調(diào)整 .................................................................. 44 總 結(jié) ....................................................................................................................... 45 致 謝 ..........................................