某SUV車型轉(zhuǎn)向分析報(bào)告

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1、編號基于ADMAS的K1前懸架運(yùn)動學(xué)及動力學(xué)分析報(bào)告編制：劉斌審核批準(zhǔn)長城汽車股份有限公司GREATWALLAUTOMOBILEHOLDINGCOMPANYLIMITED一、概述：K1車出現(xiàn)行駛過程中方向機(jī)卡滯的問題，考慮到前懸架結(jié)構(gòu)可能引起轉(zhuǎn)向機(jī)卡滯，現(xiàn)利用多系統(tǒng)動力學(xué)分析軟件ADMAS/Car，根據(jù)前懸架各參數(shù)進(jìn)行建模，利用軟件自帶的試驗(yàn)臺對懸架進(jìn)行仿真，獲得各種參數(shù)曲線。根據(jù)專家在操縱穩(wěn)定性方面的經(jīng)驗(yàn)，對參數(shù)進(jìn)行分析，以對前懸架性能作出評價(jià)，并對方向機(jī)卡滯是否因前懸架參數(shù)選擇不當(dāng)引起的作出判斷。二、建模所需數(shù)據(jù)：1、K1

2、前懸架及轉(zhuǎn)向系零部件位置參數(shù)坐標(biāo)位置點(diǎn)x/左y/左z/左上擺臂前安裝點(diǎn)-36.385-405.26384.140上擺臂后安裝點(diǎn)148.346-395.67981.417上球銷中心11.000-623.49266.695下擺臂前安裝點(diǎn)-231.554-299.009-175.736下擺臂后安裝點(diǎn)177.649-299.021-168.734下球銷中心-5.180-683.205-201.502轉(zhuǎn)向節(jié)臂中心點(diǎn)-144.461-693.357-133.116轉(zhuǎn)向拉桿中心點(diǎn)-134.190-357.601-101.772減震器上安裝點(diǎn)

3、-117.764-443.231153.810減震器下安裝點(diǎn)-67.882-542.800-169.461穩(wěn)定桿車架固定中心-374.928-387.406-56.360穩(wěn)定桿上立桿軸中心-72.865-613.042-67.953穩(wěn)定桿下立桿軸中心-97.926-597.545-215.153輪胎接地點(diǎn)中心0.000-757.500-479.600輪胎中心0.000-757.500-113.600轉(zhuǎn)向機(jī)齒條外殼左右端點(diǎn)-132.909-286.004-60.13轉(zhuǎn)向軸與轉(zhuǎn)向機(jī)齒條-132.909-181.003-60.13轉(zhuǎn)

4、向中間軸與錐齒輪連接點(diǎn)-279.307-353.478161.238轉(zhuǎn)向管柱與轉(zhuǎn)向中間軸連接點(diǎn)82.706-363.978281.028轉(zhuǎn)向系傳動軸膠塊位置-329.908-257.0224.068轉(zhuǎn)向系角傳動副連接點(diǎn)-295.186-244.0220.374錐齒輪連接點(diǎn)-453.674-303.062107.971方向盤中心點(diǎn)921.091-370.236644.992注：表中坐標(biāo)值是相對于整車座標(biāo)系2、K1前懸架及轉(zhuǎn)向系零部件質(zhì)量參數(shù)及質(zhì)心位置名稱質(zhì)量(kg)轉(zhuǎn)動慣量(kg.m2)質(zhì)心位置IoxIoyIozIxyIxzIy

5、zX(mm)Y(mm)Z(mm)下擺臂9.9980.1550.1850.326-0.001-0.002-0.014-0.477-481.246-160.964上擺臂2.6540.0170.0150.029-0.05-3.819e-004-0.00342.765-537.657109.13轉(zhuǎn)向節(jié)5.1830.0330.0370.0147.096e-005-0.001-0.004-9.713-716.066-68.82前橫向穩(wěn)定桿6.7511.0040.11.076-2.597e-005-0.0211.815e-005-302.9

6、690.0029.678橫向穩(wěn)定桿連接桿0.2520.0010.0018.335e-0058.298e-006-2.187e-0047.457e-005-82.308-606.349-96.887扭桿彈簧5.885kg6.218e-0040.680.68k000797.974299-127.21方向盤1.0970.0150.0150.0130.0020.0010.001909.971304.263629.221轉(zhuǎn)向管柱6.950.0490.2760.235-0.001-0.097-5.281e-004594.886367.35

7、4500.497轉(zhuǎn)向中間軸1.5180.0020.0110.012.957e-004-0.003-9.298e-005-152.385358.45201.464角傳動副2.0640.0040.0050.0050.001-0.0010.001-389.575-313.097113.321輪轂7.6960.060.1070.06-6.092e-5-3.56e-6-4.429e-52700.675-748.987-120.749撓性轉(zhuǎn)向節(jié)0.8436.254e-40.0019.882e-41.621e-43.011e-4-9.893

8、e-5-320.548253.18618.538注：表中坐標(biāo)值是相對于整車坐標(biāo)系3、部分膠套特性參數(shù)：上擺臂軸套徑向靜剛度軸向靜剛度扭轉(zhuǎn)曲線位移(mm)載荷(N)位移(mm)載荷(N)轉(zhuǎn)角(Deg)扭矩(N*mm)-2-13057.2-3.2305-8000046.9208-