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車輛與動力工程學(xué)院畢業(yè)設(shè)計說明書
柴油動力SUV車設(shè)計 --- 轉(zhuǎn)向系統(tǒng)、前懸架設(shè)計
摘 要
隨著汽車工業(yè)的不斷發(fā)展，人民生活水平的逐步提高，城市休閑SUV在世界各地的需求量呈現(xiàn)出一種增長趨勢。SUV在舒適性、安全性以及燃油經(jīng)濟性方面越來越被人們所關(guān)注。因此，SUV設(shè)計時在兼顧越野能力的同時，也更注重舒適、安全和油耗。
轉(zhuǎn)向系統(tǒng)和懸架設(shè)計是汽車設(shè)計中的一個非常重要的環(huán)節(jié)。本次設(shè)計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)計方法，注重其實用功能，同時合理降低制造成本。先選擇了轉(zhuǎn)向系統(tǒng)和懸架結(jié)構(gòu)形式，根據(jù)所給SUV使用的具體情況， 結(jié)合設(shè)計要求，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)和強度計算。懸架的結(jié)構(gòu)形式﹑主要參數(shù)﹑導(dǎo)向機構(gòu)﹑減振器和螺旋彈簧﹑橫向穩(wěn)定桿設(shè)計。使轉(zhuǎn)向系統(tǒng)和懸架滿足SUV的使用性能。
本次使轉(zhuǎn)向系統(tǒng)和懸架的設(shè)計再兼顧動力性和燃油經(jīng)濟性的基礎(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，齒輪齒條式，液壓
SUV OF DIESEL DESIGN — SUSPENSION、STEERING SYSTEM DESIGN
ABSTRACT
With the continuous development of the auto industry and the people's living standard gradually improved. SUV leisure cities around the world demand shows a growth trend. SUV in the comfort, safety and fuel economy growing concern by the people. Therefore, SUV 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 SUV 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 SUV。
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, gear rack, hydraulic
目 錄
第一章 前言............ ............................1
第二章 轉(zhuǎn)向系設(shè)計.....................................2
§2.1 轉(zhuǎn)向系概述.....................................2
§2.1.1 轉(zhuǎn)向系的設(shè)計要求............................2
§2.1.2 轉(zhuǎn)向系概論..................................3
§2.2 轉(zhuǎn)向系設(shè)計.....................................7
§2.2.1 轉(zhuǎn)向性能與阿可曼幾何學(xué)......................7
§2.2.2 轉(zhuǎn)向系方案分析及確定.......................9
§2.2.3 轉(zhuǎn)向系主要性能參數(shù)的確定...................12
§2.2.4 轉(zhuǎn)向系的載荷驗算...........................15
§2.2.5 轉(zhuǎn)向傳動機構(gòu)及優(yōu)化設(shè)計.....................16
§2.2.6 轉(zhuǎn)向橫拉桿設(shè)計與校核.......................20
§2.2.7 轉(zhuǎn)向節(jié)的設(shè)計...............................22
§2.2.8 轉(zhuǎn)向器及液壓助力裝置的設(shè)計.. . .............23
第三章 懸架設(shè)計.....................................30
§3.1懸架概述.....................................30
§3.1.1 懸架概論..................................30
§3.1.2 懸架的設(shè)計要求............................30
§3.2懸架的設(shè)計....................................31
§3.2.1 懸架的結(jié)構(gòu)形式與方案分析.................31
§3.2.2 懸架主要參數(shù)的確定......................35
§3.2.3 彈性元件的設(shè)計計算....................... 36
§3.2.4 減振器的選擇與設(shè)計........................39
§3.2.5 橫向穩(wěn)定桿的設(shè)計..........................41
§3.2.6 懸架導(dǎo)向機構(gòu)的設(shè)計........................41
第四章 結(jié)論................................. .........43
致 謝.....................................44
參考文獻(xiàn).....................................45
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