某中級(jí)轎車前輪制動(dòng)器設(shè)計(jì)說明書[帶圖紙].doc

摘要本科畢業(yè)設(shè)計(jì)（論文）題目：某中級(jí)轎車前輪制動(dòng)器設(shè)計(jì)專業(yè)：機(jī)械設(shè)計(jì)制造及其自動(dòng)化班級(jí)：姓名：學(xué)號(hào)：指導(dǎo)教師：日期：2013年5月摘要摘要本設(shè)計(jì)的題目為某中級(jí)轎車前輪制動(dòng)器設(shè)計(jì)，本設(shè)計(jì)選用前輪盤式制動(dòng)盤式制動(dòng)器分為定鉗盤式和浮鉗盤式。在充分了解制動(dòng)器的結(jié)構(gòu)及工作原理的基礎(chǔ)上借助多方面的資料進(jìn)行設(shè)計(jì)、論證再選定相關(guān)參數(shù)并進(jìn)行計(jì)算確定具體參數(shù)如下：制動(dòng)力分配；前軸制動(dòng)力Fu1=4486.3N后軸制動(dòng)力Fu2=9405.2N同步附著系數(shù)；0=0.7制動(dòng)器效能因數(shù)；k=0.6制動(dòng)力矩：制動(dòng)力矩是制動(dòng)器產(chǎn)生的，迫使汽車減速或停止的阻力矩，由該車所能遇到的最大附著系數(shù)；制動(dòng)強(qiáng)度q；車輪有效半徑er；汽車滿載質(zhì)量G；汽車軸距L；通過計(jì)算得出：前輪的制動(dòng)力矩為Mu1=1358.15Nm后輪制動(dòng)力矩Mu2=497.2Nm由以上參數(shù)進(jìn)行設(shè)計(jì)計(jì)算確定主要零部件尺寸和制造材料最后對(duì)制動(dòng)系統(tǒng)性能要求進(jìn)行校核，并用solidworks三維軟件繪制出制動(dòng)器零件的零件模型和制動(dòng)器裝配模型。關(guān)鍵詞：制動(dòng)性能solidworks盤式制動(dòng)器摘要AbstractThetopicofthisdesignforthedesignofthefrontwheelbrakeaintermediatecar,thisdesignselectsthefrontdiscbrakediscbrakecaliperdiscisdividedintofixedandfloatingcaliper.Onthebasisofunderstandingthestructureandworkingprincipleofthebrake,withvariousmaterialstodesign,demonstratetheselectedparametersandthecalculationtodeterminethespecificparametersareasfollows:Thebrakingforcedistribution；frontaxlebrakingforceFu1=4486.3NtherearaxlebrakingforceFu2=9045.2N.Thesynchronousadhesioncoefficient:0=0.7Brakeeffiencyfactor:k=0.6Braketorque:Braketorqueisgeneratedbythebrake,torqueforcecartoslowdownorstop,maximumadhesioncoefficientcanmeetthevehicle；severityofbrakingq；theeffectiveradiusre；ThecarloadedwithqualityG；thevehiclewheelbaseL；calculationthefrontwheelbraketoequeMu1=1358.15Nm,therearwheelbraketoequeMu2=497.2NmThedesigncalculationofmainpartssizeandmaterialfromtheaboveparameters,thebrakesystemperformancerequirementsofapplications,anduseSolidWorkssoftwaretodrawthepartsof3Dmodelandthebrakebrakepartsmodel.Keywords：brakingperformancesolidworksdiscbrake目錄目錄第一章緒論.11.1制動(dòng)系統(tǒng)設(shè)計(jì)的意義.11.2制動(dòng)器的發(fā)展歷程.11.3國(guó)內(nèi)汽車盤式制動(dòng)器的應(yīng)用.21.4國(guó)外汽車盤式制動(dòng)器的應(yīng)用.31.5目前制動(dòng)器的發(fā)展現(xiàn)狀.5第二章制動(dòng)器的結(jié)構(gòu)與設(shè)計(jì)原則.112.1汽車制動(dòng)系功用及分類.112.2盤式制動(dòng)器的分類與介紹.112.3盤式制動(dòng)器的結(jié)構(gòu)與工作原理.142.4制動(dòng)器設(shè)計(jì)的一般原則.152.4.1制動(dòng)效能.162.4.2制動(dòng)效能穩(wěn)定性.162.4.3制動(dòng)間隙調(diào)整簡(jiǎn)便性.162.4.4制動(dòng)器的尺寸及質(zhì)量.162.4.5噪音的減輕.17第三章制動(dòng)器設(shè)計(jì).183.1主要設(shè)計(jì)參數(shù).183.2盤式制動(dòng)器主要元件.183.2.1制動(dòng)盤.183.2.2制動(dòng)塊.203.2.3制動(dòng)鉗.213.2.4襯塊報(bào)警裝置設(shè)計(jì).223.2.5摩擦材料.223.2.6制動(dòng)器間隙及調(diào)整.223.3制動(dòng)器制動(dòng)力分配分析.233.4同步附著系數(shù)的選取.233.5制動(dòng)器效能因數(shù).233.6制動(dòng)器制動(dòng)力矩的計(jì)算.233.7制動(dòng)系統(tǒng)性能要求.233.7.1制動(dòng)時(shí)汽車的方向穩(wěn)定性的要求.263.7.2制動(dòng)減速度的要求.263.7.3制動(dòng)距離的要求.26目錄3.7.4制動(dòng)力矩的要求.263.7.5對(duì)車輪制動(dòng)器的比能量耗散率的要求.273.7.6對(duì)比摩擦力的要求.273.7.7對(duì)熱流密度的要求.273.7.8對(duì)襯塊吸收功率的要求.273.7.9對(duì)平均摩擦力的要求.273.7.10行車制動(dòng)至少有兩套獨(dú)立的驅(qū)動(dòng)器的管路.283.7.11防止水和污泥進(jìn)入制動(dòng)器工作表面.283.7.12要求制動(dòng)能力的熱穩(wěn)定性好.283.7.13操縱輕便.283.7.14緊急制動(dòng)時(shí)踏板力的計(jì)算.283.7.15制動(dòng)踏板行程的計(jì)算.293.7.16其他.293.8摩擦襯片的磨損特性.29第四章校核.32