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1、,,,,轎車膜片彈簧離合器的設(shè)計(jì),車輛1302,Contents,目錄,1,2,緒論,各構(gòu)件結(jié)構(gòu)選型,3,4,各部件的設(shè)計(jì),結(jié)論,Whats this?,Which one to choose?,How do this?,Conclusion,目錄,,NO.1,Whats this?,緒論,Whats this?|緒論,,緒 論,發(fā)展史,分類,總述,原理,作用,Whats this?| 緒論,Whats this?,緒論,Whats this?| 緒論,Whats this?,緒論,Whats this?| 緒論,離合器相當(dāng)于一個(gè)動(dòng)力“開關(guān)”,安裝在發(fā)動(dòng)機(jī)與變速器之間,是汽車傳動(dòng)系中直接與發(fā)動(dòng)
2、機(jī)相聯(lián)系的總成件。通常離合器與發(fā)動(dòng)機(jī)曲軸的飛輪組安裝在一起,是發(fā)動(dòng)機(jī)與汽車傳動(dòng)系之間切斷和傳遞動(dòng)力的部件。,各構(gòu)件的選型,NO.2,Which one to choose?,各構(gòu)件的選型,Which one to choose?,各部件選型,Which one to choose? |各部件選型,基本參數(shù),彈簧,設(shè)計(jì)要求,摩擦式,結(jié)構(gòu),壓盤,離合器,布置形式,從動(dòng)盤,,各部件的選型,VS,Which one to choose?,Which one to choose? |各部件選型,,NO.3,How do this?,各部件的設(shè)計(jì),各部件的設(shè)計(jì),Tip:輸入各部件的設(shè)計(jì)和副標(biāo)題,How d
3、o this?,各部件的設(shè)計(jì),Which one to choose? |各部件選型,結(jié)構(gòu)參數(shù),扭轉(zhuǎn)減振器,膜片彈簧,從動(dòng)盤總成,離合器蓋,傳動(dòng)片,從動(dòng)盤轂,壓盤,從動(dòng)片,How do this?,各部件的設(shè)計(jì),基本參數(shù) | 各部件的設(shè)計(jì),1,2,3,后備系數(shù)。汽車、輕型貨車1.3-1.75,取1.4,單位壓力P0 石棉基材料,P0=0.2Mpa,摩擦片尺寸 外徑D=200,根據(jù)標(biāo)準(zhǔn)選取d=140,對(duì)外徑進(jìn)行校核,Diaphragm spring advantage,膜片彈簧優(yōu)點(diǎn),膜片彈簧優(yōu)點(diǎn) | 各部件的設(shè)計(jì),壹,貳,膜片彈簧本身兼起壓緊彈簧和分離桿的 作用,使得零件數(shù) 目減少,重量減 輕。
4、,平衡性好,在高速 下,其壓緊力降低很壓 力分布均勻,摩擦片接觸好,磨損均勻,通風(fēng)散熱性好,使用壽命長,Diaphragm spring,膜片彈簧,膜片彈簧 | 各部件的設(shè)計(jì),,H/h=1.87,,,,R/r=1.24,根據(jù)膜片彈簧彈性作用特點(diǎn)選取,H=4.3,h=2.3,厚度24mm,推式膜片彈簧要滿足RRc,選取R/r=1.24,R=99 ,則r=80mm。,通常在915之間選取,取=1258,,其他及校核,壓盤加載點(diǎn)半徑,支承環(huán)加載點(diǎn)半徑,分離指數(shù)目n、切槽寬 、窗孔槽寬及半徑等,Clutch cover assembly,離合器蓋總成,壓盤的設(shè)計(jì) | 各部件的設(shè)計(jì),壓盤,質(zhì)量,剛度,校核,溫升,質(zhì)量應(yīng)足夠大,保證散熱性;剛度也要足夠大,保證分離完全,受力均勻。校核溫升時(shí), ,應(yīng)控制在810,Torsional vibration damper,扭轉(zhuǎn)減振器,扭轉(zhuǎn)減振器的設(shè)計(jì)| 各部件的設(shè)計(jì),1,2,3,極限轉(zhuǎn)矩,扭轉(zhuǎn)剛度,阻尼摩擦片轉(zhuǎn)矩,扭轉(zhuǎn)減振器,4,預(yù)緊轉(zhuǎn)矩,Driven disk assembly,從動(dòng)盤總成,從動(dòng)盤總成 | 各部件的設(shè)計(jì),從動(dòng)盤總成,從動(dòng)片,從動(dòng)盤轂,傳動(dòng)片,摩擦片,對(duì)上述零件進(jìn)行結(jié)構(gòu)設(shè)計(jì)并校核,其中從動(dòng)盤轂校核花鍵應(yīng)力,摩擦片與傳動(dòng)片校核抗剪、抗壓強(qiáng)度,,Thanks,,