總體設(shè)計計算4座客貨兩用車~~~~.xls

1、汽車總體設(shè)計相關(guān)參數(shù)的設(shè)計計算肖飛平初選參數(shù)幾何參數(shù)外廓尺寸貨箱尺寸長3860長1400寬1400寬1375高1815高430軸距2500前懸480前輪距1280后懸880后輪距1290車頭長2460質(zhì)量參數(shù)整備質(zhì)量880載人數(shù)4質(zhì)量260載質(zhì)量500最大裝載質(zhì)量760總質(zhì)量1640性能參數(shù)最小轉(zhuǎn)彎半徑=9.5最高車速95最大爬坡度30%爬坡角度16.69924452輪胎參數(shù)型號155R12LT負(fù)荷指數(shù)77%許用輪輞4.00b5.00b

2、外直徑553負(fù)荷靜半徑249最大斷面寬度163負(fù)荷能力412發(fā)動機(jī)參數(shù)型號(汽油機(jī))JL465Q1最大轉(zhuǎn)矩72最大功率32.5最高轉(zhuǎn)速5500Tmax對應(yīng)轉(zhuǎn)速4500排量0.97校核Pmax22.5182934Tmax52.56220038傳動效率ηt89.37600%計算參數(shù)主減速比i06.14192526修正后i05.571變速器參數(shù)ig41檔位數(shù)4ig13.61355399檔位分配比q1.534539891ig22.3548126

3、8ig31.534539891修正后ig13.504修正后ig22.483修正后ig31.56修正后ig41附著條件計算附著力FΦ23625.84Ftmax4687.22577空氣阻力Fw轉(zhuǎn)速1檔2檔3檔4檔25009.9277173719.770850.0873901121.8926727280012.453328724.8004962.8296222152.9021686310015.264858230.3995877.014371

4、1187.4221735340018.36230636.5680692.6416368225.4526873370021.745672143.30595109.711419266.9937102400025.414956550.61324128.223719312.045242430029.370159158.48992148.178535360.6072828460033.611279966.93601169.575868412.67

5、98325490038.13831975.95149192.415718468.2628913520042.951276485.53637216.698085527.356459550048.05015295.69065242.422968589.9605357滾動阻力Ff1檔2檔3檔轉(zhuǎn)速滾阻系數(shù)f滾動阻力Ff滾阻系數(shù)f滾動阻力Ff滾阻系數(shù)f25000.01279395205.62440.01332602214.17584380.014

6、4064228000.01294923208.120.01354515217.6975850.0147551931000.0131045210.61560.01376427221.21932630.0151039634000.01325978213.11110.01398339224.74106750.0154527337000.01341505215.60670.01420251228.26280880.015801540000.01

7、357033218.10230.01442164231.784550.0161502743000.0137256220.59790.01464076235.30629130.0164990446000.01388088223.09340.01485988238.82803260.0168478149000.01403615225.5890.01507901242.34977380.0171965852000.01419142228.08

8、460.01529813245.87151510.0175453555000.0143467230.58010.01551725249.39325630.01789412動力因數(shù)的計算轉(zhuǎn)速1檔2檔3檔4檔25000.161404090.1135820.069016550.03865493428000.185550220.130490.079043680.043661387`31000.21372910.1502340.090784380

9、.04960539434000.237839650.1670720.1006320.05417537000.26193240.1838740.110389870.05852618240000.277906280.1949010.116451330.060346985`43000.285761280.2001510.118816390.05963740946000.289547940.2024960.119288370.057553432