0015-3噸柴油動力貨車（轉向系統和前懸架設計）【CAD圖紙+文檔】

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目 錄 第一章 前言............ ............................1 第二章 轉向系設計.....................................2 §2.1 轉向系概述.....................................2 §2.1.1 轉向系的設計要求............................2 §2.1.2 轉向系概論..................................3 §2.2 轉向系設計.....................................5 §2.2.1 轉向性能與阿克曼幾何學..................10 §2.2.2 轉向系方案分析及確定.......................12 §2.2.3 轉向系主要性能參數的確定...................15 §2.2.4 轉向系的載荷驗算...........................19 §2.2.5 轉向傳動機構及優(yōu)化設計.....................20 §2.2.6 轉向橫拉桿設計與校核.......................23 §2.2.7 轉向節(jié)的設計...............................26 §2.2.8 轉向器及液壓助力裝置的設計.. . ............27 第三章 懸架設計.....................................41 §3.1懸架概述.....................................41 §3.1.1 懸架概論..................................41 §3.1.2 懸架的設計要求............................41 §3.2懸架的設計....................................41 §3.2.1 懸架的結構形式與方案分析.................41 §3.2.2 懸架主要參數的確定......................45 §3.2.3 彈性元件的設計計算....................... 46 §3.2.4 減振器的選擇與設計........................49 §3.2.5 橫向穩(wěn)定桿的設計..........................51 第四章 結論................................. .........52 致 謝.....................................53 參考文獻.....................................54 摘 要 隨著社會的不斷發(fā)展，人們對貨車的使用越來越頻繁，3噸小貨車的商用價值決定了它的市場定位和設計成本，所以設計時轉向系統和懸架設計是汽車設計中的一個非常重要的環(huán)節(jié)。本次設計在參考同類車型的基礎上，按照汽車轉向系統和懸架的設計方法，注重其實用功能，同時合理降低制造成本。先選擇了轉向系統和懸架結構形式，根據所給貨車的使用的具體情況， 結合設計要求，確定轉向角度﹑轉彎半徑﹑轉向的結構形式及轉向裝置各部分的結構和強度計算。懸架的結構形式﹑主要參數﹑導向機構﹑減振器和鋼板彈簧﹑橫向穩(wěn)定桿設計。使轉向系統和懸架滿足貨車的使用性能。 本次使轉向系統和懸架的設計再兼顧動力性和燃油經濟性的基礎上合理地選擇了結構形式，使尺寸合理，便于安裝布置。而且可以用于其它車型，具有很廣泛的應用前景。 關鍵詞： 轉向系，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