畢業(yè)設計（論文）重型貨車液壓助力轉向系統(tǒng)結構設計說明書

1、www.88doc88.comwww.yanziedu.com目錄前言......................................................11 汽車主要參數的選擇......................................21.1 汽車主要尺寸的確定....................................21.1.1 軸距 L ...................

2、.................................................................21.1.2 前輪距 B1 和后輪距 B2..........................................................31.1.3 外廓尺寸.................................................................

3、...............41.1.4 前懸 LF 和后懸 LR.................................................................41.2 汽車質量參數的確定........................................................................51.2.1 整車整備質量m0 ...................

4、..................................................51.2.2 汽車的載客量和裝載質量.......................................................61.2.3 質量系數................................................................................61.2.4

5、 汽車總質量 ............................................................................71.2.5 軸荷分配................................................................................72 轉向系的概述及主要性能參數..............................

6、92.1 轉向系的概述....................................................................................92.1.1 轉向操縱機構.........................................................................92.1.2 轉向傳動機構..........................

7、.............................................102.1.3 轉向器..................................................................................102.1.4 轉角及最小轉彎半徑............................................................112.1

8、.5 對轉向系的要求 ...................................................................132.2 轉向系主要性能參數......................................................................13www.88doc88.comwww.yanziedu.com4.3.3 動力缸缸筒壁厚 t 的計算.....

9、.................................................304.4 分配閥的參數選擇與設計計算......................................................304.4.1 預開隙 1 e ...............................................................................304

10、.4.2 滑閥總移動量e ....................................................................314.4.3 局部壓力降 p ? ......................................................................314.4.4 油液流速的允許值[v]................................

11、............................324.4.5 滑閥直徑 d...........................................................................324.4.6 滑閥在中間位置時的油液流速 v...........................................324.4.7 分配閥的泄漏量 Q ? .................

12、.............................................334.5 回位彈簧的預緊力和反作用閥直徑的確定.................334.6 油泵排量與油罐容積的確定.............................344.7 液壓動力轉向的工作特性...............................355 轉向傳動機構設計...........................

13、............375.1 轉向傳送機構的臂、桿與球銷 ...........................385.2 轉向操縱機構的防傷安全措施 ........................................................................396 經濟技術路線分析………………………………………………….427 結論...............................