0006-柴油動力SUV車設計-傳動軸、離合器及操縱機構設計【CAD圖紙+文檔】

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車輛與動力工程學院說明書 目 錄 第一章 前言...........................................1 第二章 離合器的設計................................... 2 §2.1離合器概述 ..................................... 2 §2.2離合器結構方案分析. ............................3 §2.3離合器主要參數(shù)選擇 ...........................4 §2.3.1后備系數(shù). ........................ ........4 §2.3.2單位壓力..................................5 §2.3.3摩擦片外徑D、內徑d和厚度b.................6 §2.3.4摩擦因數(shù)f、摩擦面數(shù)Z和離合器間隙.........7 §2.3.5離合器的設計與計算 .......... .............8 §2.3.6膜片彈簧的特性................. ...... ....10 §2.3.7膜片彈簧材料及制造工藝...................13 第三章 扭轉減振器的設計..........................15 第四章 離合器操縱機構.............................19 §4.1離合器操縱機構的要求 .. ...................19 §4.2離合器操縱機構的設計計算..................20 第五章離合器蓋主要零部件的設計…...............21 §5.1從動盤總成 ....................................21 §5.1.1從動盤轂...................................21 §5.1.2摩擦片.....................................21 §5.1.3從動片.....................................22 §5.1.4波形片和減振彈簧..........................22 §5.2離合器蓋總成 ..................................22 §5.2.1離合器蓋….................................22 §5.2.2 壓盤......................................23 §5.2.3傳動片.....................................24 §5.2.4分離杠桿...................................24 §5.2.5支承環(huán).....................................24 §5.3分離軸承........................................24 第六章 傳動軸.......................................25 §6.1概述............................................25 §6.2萬向節(jié)的結構分析...............................25 §6.2.1十字軸萬向節(jié)..............................25 §6.2.2十字軸萬向節(jié)的設計........................26 §6.3傳動軸的結構分析與設計........................27 §6.4萬向傳動軸的設計計算..........................28 §6.5中間支承........................................29 第七章 結論....................................... ...31 參考文獻..............................................32 致謝....................................................32 附錄....................................................33 推式膜片彈簧離合器及萬向傳動軸 摘 要 汽車無疑是當今世界最主要的交通運輸工具。柴油SUV作為新型的乘用車，是目前國際上發(fā)展趨勢，其特點是比汽油SUV有更強的動力性、燃油經(jīng)濟性、市場潛力巨大，鑒于此，我們選擇這種車型作為畢業(yè)設計的題目，其中本文主要設計離合器和萬向傳動軸的設計部分。離合器是汽車傳動系中直接與發(fā)動機相連接的總成，其主要功用是切斷和實現(xiàn)對傳動系的動力傳遞，以保證汽車起步時將發(fā)動機與傳動系平順結合，確保汽車平穩(wěn)起步；在換檔時將發(fā)動機與傳動系分離，減小變速器中換檔齒輪之間的沖擊；工作中受到大的載荷時能限制傳動系所承受的最大轉矩，防止傳動系各零件因過載而損壞；有效降低傳動系中的振動和噪聲。萬向傳動軸是用于工作過程中相對位置不斷改變的兩軸之間傳遞轉矩和旋轉運動；保證所連接的兩軸盡可能等速運轉，由于萬向節(jié)夾角而產(chǎn)生的附加載荷，振動和噪聲應在允許的范圍內，在使用車速范圍內不應產(chǎn)生共振現(xiàn)象。 隨著汽車發(fā)動機的轉速和功率不斷提高，汽車電子技術的高速發(fā)展，人們對離合器的傳動軸的要求越來越高，本著提高離合器和傳動軸工作性能的設計思想，通過方案分析和比較，參數(shù)的選擇和優(yōu)化，最終采用推式膜片彈簧離合器結構。液壓操縱機構和分兩段的傳動軸及十字軸萬向節(jié)，并力圖在結構元件中有所創(chuàng)新設計出性能更好更符合汽車發(fā)展趨勢的離合器幾萬向傳動軸。 關鍵詞：柴油SUV， 新型乘用車， 平穩(wěn)起步， 最大轉矩， 膜片彈簧， 萬向傳動軸 THE PUSHING DIAPHRAGM SPRING DISC SPRING CLUTCH ABSTRACT Automobile is certainly the most primary transports in this world。Diesel SUV as a new automobile its character well power economical so the more people are enjoy diesel SUV that’s why we choose it as our graduation subject. This paper deals with the design of clutch and universal joint shaft. The clutch is assembled in which the power train directly connecting with engine. Its primary functions are: switch off and transfer power for train in order to guarantee to connect smoothly engine to power train when automobile is starting. Then automobile may start smoothly; make engine away from power train and reduce the impact among the gears when the transmission shift; restrict the maximal torque that power train can endure when it come in for larger dynamic load; reduce effectively vibration and roar of the power. Universal joint shaft is used to two shaft configuration difference in every minute. It can transfer torque from transmission to Trans axle, and turning movement; It also can match the two shaft have the same movement. Because of the card a joint angle which produce additional load, chatter phenomena and voice should limit and it can’t produce resonance in general movement. With people expect better clutch and universal joint shaft base an the design spirit of keeping improving. Through contrast of various precepts choice and majority of the parameter, finally I adopt the pushing diaphragm spring disc spring clutch, the hydrostatic controls and universal joint shaft, In order to scheme out better clutch and shaft which is congress step with trend of automobile development. I will try my best to create new structure in some components. KEY WORDS: Diesel SUV，new automobile， start smoothly， maximal to torque，diaphragm spring disc，universal joint shaft IV