3噸柴油動(dòng)力貨車（轉(zhuǎn)向系統(tǒng)和前懸架設(shè)計(jì)）,柴油,動(dòng)力,貨車,轉(zhuǎn)向,系統(tǒng),懸架,設(shè)計(jì) 目 錄 第一章 前言............ ............................1 第二章 轉(zhuǎn)向系設(shè)計(jì).....................................2 §2.1 轉(zhuǎn)向系概述.....................................2 §2.1.1 轉(zhuǎn)向系的設(shè)計(jì)要求............................2 §2.1.2 轉(zhuǎn)向系概論..................................3 §2.2 轉(zhuǎn)向系設(shè)計(jì).....................................5 §2.2.1 轉(zhuǎn)向性能與阿克曼幾何學(xué)..................10 §2.2.2 轉(zhuǎn)向系方案分析及確定.......................12 §2.2.3 轉(zhuǎn)向系主要性能參數(shù)的確定...................15 §2.2.4 轉(zhuǎn)向系的載荷驗(yàn)算...........................19 §2.2.5 轉(zhuǎn)向傳動(dòng)機(jī)構(gòu)及優(yōu)化設(shè)計(jì).....................20 §2.2.6 轉(zhuǎn)向橫拉桿設(shè)計(jì)與校核.......................23 §2.2.7 轉(zhuǎn)向節(jié)的設(shè)計(jì)...............................26 §2.2.8 轉(zhuǎn)向器及液壓助力裝置的設(shè)計(jì).. . ............27 第三章 懸架設(shè)計(jì).....................................41 §3.1懸架概述.....................................41 §3.1.1 懸架概論..................................41 §3.1.2 懸架的設(shè)計(jì)要求............................41 §3.2懸架的設(shè)計(jì)....................................41 §3.2.1 懸架的結(jié)構(gòu)形式與方案分析.................41 §3.2.2 懸架主要參數(shù)的確定......................45 §3.2.3 彈性元件的設(shè)計(jì)計(jì)算....................... 46 §3.2.4 減振器的選擇與設(shè)計(jì)........................49 §3.2.5 橫向穩(wěn)定桿的設(shè)計(jì)..........................51 第四章 結(jié)論................................. .........52 致 謝.....................................53 參考文獻(xiàn).....................................54 摘 要 隨著社會(huì)的不斷發(fā)展，人們對(duì)貨車的使用越來(lái)越頻繁，3噸小貨車的商用價(jià)值決定了它的市場(chǎng)定位和設(shè)計(jì)成本，所以設(shè)計(jì)時(shí)轉(zhuǎn)向系統(tǒng)和懸架設(shè)計(jì)是汽車設(shè)計(jì)中的一個(gè)非常重要的環(huán)節(jié)。本次設(shè)計(jì)在參考同類車型的基礎(chǔ)上，按照汽車轉(zhuǎn)向系統(tǒng)和懸架的設(shè)計(jì)方法，注重其實(shí)用功能，同時(shí)合理降低制造成本。先選擇了轉(zhuǎn)向系統(tǒng)和懸架結(jié)構(gòu)形式，根據(jù)所給貨車的使用的具體情況， 結(jié)合設(shè)計(jì)要求，確定轉(zhuǎn)向角度﹑轉(zhuǎn)彎半徑﹑轉(zhuǎn)向的結(jié)構(gòu)形式及轉(zhuǎn)向裝置各部分的結(jié)構(gòu)和強(qiáng)度計(jì)算。懸架的結(jié)構(gòu)形式﹑主要參數(shù)﹑導(dǎo)向機(jī)構(gòu)﹑減振器和鋼板彈簧﹑橫向穩(wěn)定桿設(shè)計(jì)。使轉(zhuǎn)向系統(tǒng)和懸架滿足貨車的使用性能。 本次使轉(zhuǎn)向系統(tǒng)和懸架的設(shè)計(jì)再兼顧動(dòng)力性和燃油經(jīng)濟(jì)性的基礎(chǔ)上合理地選擇了結(jié)構(gòu)形式，使尺寸合理，便于安裝布置。而且可以用于其它車型，具有很廣泛的應(yīng)用前景。 關(guān)鍵詞： 轉(zhuǎn)向系，懸架，循環(huán)球式，液壓 ABSTRACT Along with the continuously develop of the society, the people's usage to the truck is more and more multifarious, 3 ton the company of the small truck comes to a decision its market fixed position and design cost with the value Therefore, 3 ton truck design takes into account cross-country capability, but also pay more attention to comfort, safety and fuel consumption。 Suspension and steering system design of the automobile design, a very important component. The reference design similar models on the basis of the motor vehicles suspension and steering system design methods, Actually oriented functions, a reasonable lower manufacturing costs. First select a steering system and suspension structure, according to the 3 ton truck used in specific circumstances, with the design requirements, determining perspective shift﹑turning radius to form and the structure of devices to all parts of the structure and strength. Suspension structure﹑main parameters﹑oriented institutions﹑absorber and spring﹑horizontal stabilizer design. So that suspension and steering system meet the performance 3 ton truck. The steering system so that the suspension and re-balance between power and fuel economy on the basis of rational choice of the structure, make a reasonable size, the layout is easy to install. But can be used for other models, have a broad prospect。 KEY WORDS : steering system, suspension, recirculating ball , hydraulic 3