轉(zhuǎn)向系統(tǒng)校核計(jì)算與設(shè)計(jì)

轉(zhuǎn)向系統(tǒng)校核計(jì)算與設(shè)計(jì),,,,,,,,,廈門金龍技術(shù)中心應(yīng)青峰2005.10.10,,,

注：不同顏色背景說明,,,計(jì)算數(shù)據(jù)，需輸入,,標(biāo)題，不建議修改,,常用經(jīng)驗(yàn)值，可以修改,,,計(jì)算結(jié)果，不能修改,,

整車型號(hào),,,XMQ6110(K01)系列旅游車,,,,,,,,,

車型說明,,,在XMQ6115/XMQ6118系列旅游車基礎(chǔ)上，進(jìn)行底盤轉(zhuǎn)向系統(tǒng)的優(yōu)化設(shè)計(jì),,,,,,,,,

設(shè)計(jì)原則,,,產(chǎn)品零部件標(biāo)準(zhǔn)化和互換性,,,,,,,,,

1.前橋型號(hào),,,方盛JY30N,,,,附表一、前懸架系統(tǒng)與轉(zhuǎn)向拉桿系統(tǒng)的運(yùn)動(dòng)協(xié)調(diào)的校核：這是一種近似校核理論，方法參考連桿機(jī)構(gòu)運(yùn)動(dòng)原理,,,,,

滿載負(fù)荷(kg),,,5500,,,,,,,,,

主銷中心距(mm),,,1853.3,,,,1.球銷擺動(dòng)中心至車架下平面距離(mm),,,,178.5,

主銷內(nèi)傾角(°),,,7,,,,2.球銷擺動(dòng)中心至前橋中心距離(mm),,,,711,

車輪外傾角(°),,,1,,,,3.球銷中心至其擺動(dòng)中心距離(mm),,,,702.4,

前輪中心距(mm),,,2020,,,,4.垂直上跳70mm，其干涉量(mm),,,,1.2,符合

轉(zhuǎn)向節(jié)臂回轉(zhuǎn)半徑(mm),,,313,,,,5.垂直下跳75mm，其干涉量(mm),,,,0.4,符合

前后軸距(mm),,,5800,,,,,,,,,

2.輪胎型號(hào),,,11R22.5－16PR,,,,附表二、轉(zhuǎn)向機(jī)構(gòu)理論的校核：方法詳見【吉林工業(yè)大學(xué)汽車教研室出版《汽車設(shè)計(jì)》】,,,,,

輪胎氣壓(bar),,,7.5,,,,,,,,,

滑動(dòng)摩擦系數(shù)μ,,,0.7,,,,1.最大內(nèi)輪轉(zhuǎn)向角(°),,,,36,

自由直徑(mm),,,1056,,,,2.相應(yīng)外輪轉(zhuǎn)向角(°),,,,47,

常數(shù)F,,,3.05,,,,3.車輪轉(zhuǎn)臂長(zhǎng)度(mm),,,,11.4,

常數(shù)π,,,3.14,,,,4.沿外輪對(duì)應(yīng)主銷點(diǎn)最小轉(zhuǎn)彎半徑(mm),,,,9867.5,

滾動(dòng)半徑(mm),,,512.866242,,,,5.沿外輪邊緣軌跡的最小轉(zhuǎn)彎半徑(m),,,,10.0129,符合

斷面寬(mm),,,268,,,,,,,,,

3.動(dòng)力轉(zhuǎn)向器型號(hào),,,ZF8095955227,,,,附表三、轉(zhuǎn)向拉桿系統(tǒng)和方向盤圈數(shù)的校核：以轉(zhuǎn)向拉桿的三維空間尺寸不變?cè)?，按照輪胎的?nèi)、外轉(zhuǎn)向角算出轉(zhuǎn)向垂臂的擺角參數(shù),,,,,

角傳動(dòng)比,,,15.7,～,18.5,,,,,,,

總?cè)?shù),,,4.4,,,,,,,,,

輸出軸擺角(°),,,94,,,,1.轉(zhuǎn)向拉桿位于中間位置狀態(tài),,,,,

機(jī)械效率(％),,,90,,,,XZ二維坐標(biāo)系長(zhǎng)度(mm),,,,903.9,

最大輸出扭矩(N.mm),,,3844000,～,4541000,,Y一維坐標(biāo)系長(zhǎng)度(mm),,,,21.6,

最大工作壓力(MPa),,,15,,,,XYZ三維坐標(biāo)系長(zhǎng)度(mm),,,,904.1580448,

工作流量(L/min),,,16,,,,2.轉(zhuǎn)向拉桿位于左極限位置狀態(tài),,,,,

轉(zhuǎn)向垂臂長(zhǎng)度(mm),,,300,,,,Y一維坐標(biāo)系長(zhǎng)度(mm),,,,84.3,

4.轉(zhuǎn)向助力泵型號(hào),,,萬安XMQ6113-3407100L,,,,XZ二維坐標(biāo)系長(zhǎng)度(mm),,,,900.2195732,

工作流量(L/min),,,19,～,21,,3.轉(zhuǎn)向拉桿位于右極限位置狀態(tài),,,,,

最大工作壓力(MPa),,,14,,,,Y一維坐標(biāo)系長(zhǎng)度(mm),,,,33,

公稱排量(mL/min),,,16,,,,XZ二維坐標(biāo)系長(zhǎng)度(mm),,,,903.5556264,

最高轉(zhuǎn)速(r/min),,,3600,,,,4.此三種極限狀態(tài)的球銷最大擺角(°),,,,4.9,符合

最低轉(zhuǎn)速(r/min),,,500,,,,5.轉(zhuǎn)向輪單胎滿載負(fù)荷(N),,,,26950,

轉(zhuǎn)向助力泵與發(fā)動(dòng)機(jī)速比,,,1,,,,球頭銷一最小負(fù)荷能力(N),,,,34000,符合

5.貯油罐型號(hào),,,恒峰6112E2－3408010,,,,球頭銷二最小負(fù)荷能力(N),,,,30000,符合

總?cè)莘e(L),,,2.8,,,,6.方向盤圈數(shù),,,,,

最大貯油量(L),,,2.2,,,,轉(zhuǎn)向垂臂左極限擺角(°),,,,43,

最大通過油量(L/min),,,30,,,,轉(zhuǎn)向垂臂右極限擺角(°),,,,42.9,

安全開啟壓力(MPa),,,0.1,～,0.18,,動(dòng)力轉(zhuǎn)向器向左轉(zhuǎn)圈數(shù),,,,2.012765957,

6.發(fā)動(dòng)機(jī)型號(hào),,,康明斯ISLE300－30,,,,動(dòng)力轉(zhuǎn)向器向右轉(zhuǎn)圈數(shù),,,,2.008085106,

最高轉(zhuǎn)速(r/min),,,2430,～,2430,,動(dòng)力轉(zhuǎn)向器總?cè)?shù),,,,4.020851064,

怠速(r/min),,,600,～,800,,動(dòng)力轉(zhuǎn)向器總?cè)?shù)利用率(%),,,,91.38297872,符合

7.轉(zhuǎn)向拉桿規(guī)格,,,φ42X8鋼拔管,,,,,,,,,

球頭一總成型號(hào),,,33R13－01066,,,,附表四、轉(zhuǎn)向系統(tǒng)傳動(dòng)比的計(jì)算和動(dòng)力轉(zhuǎn)向器總成基本參數(shù)的匹配校核：方法詳見【吉林工業(yè)大學(xué)汽車教研室出版《底盤設(shè)計(jì)》】,,,,,

球頭一球銷直徑(mm),,,40,,,,,,,,,

球銷沿其中心擺角(°),,,12,,,,,,,,,

球頭二總成型號(hào),,,3303E－059/060,,,,1.轉(zhuǎn)向系統(tǒng)的中間位置角傳動(dòng)比,,,,16.38033333,

球頭二球銷直徑(mm),,,37,,,,轉(zhuǎn)向系統(tǒng)的左右極限角傳動(dòng)比,,,,19.30166667,

球銷沿其中心擺角(°),,,12,,,,實(shí)際左極限角傳動(dòng)比,,,,19.05304255,

8.方向盤半徑(mm),,,250,,,,實(shí)際右極限角傳動(dòng)比,,,,19.04682695,

9.懸架型式,,,紐威ASB－140氣簧,,,,2.轉(zhuǎn)向系統(tǒng)的中間位置力傳動(dòng)比,,,,359.2178363,

,,,,,,,轉(zhuǎn)向系統(tǒng)的左右極限力傳動(dòng)比,,,,423.2821637,

設(shè)計(jì)結(jié)論：此K01旅游車型的動(dòng)力轉(zhuǎn)向系統(tǒng)匹配是比較成功的，直接鑒借了原東風(fēng)杭汽R13底盤的轉(zhuǎn)向系統(tǒng)，并做了拉桿加粗提高安全性能改進(jìn)，優(yōu)化了轉(zhuǎn)向系統(tǒng)。由此表的右方數(shù)據(jù)結(jié)果可得出：前懸架系統(tǒng)與轉(zhuǎn)向拉桿系統(tǒng)的運(yùn)動(dòng)協(xié)調(diào)基本上符合此車型的設(shè)計(jì)要求；動(dòng)力轉(zhuǎn)向系統(tǒng)的各總成件基本參數(shù)是相互匹配的，并能比較優(yōu)良的完成協(xié)調(diào)運(yùn)動(dòng)。,,,,,,,實(shí)際左極限力傳動(dòng)比,,,,417.8298806,

,,,,,,,實(shí)際右極限力傳動(dòng)比,,,,417.6935735,

,,,,,,,3.原地轉(zhuǎn)向阻力矩(N.mm),,,,3372222.158,符合

,,,,,,,4.轉(zhuǎn)向拉桿位于中間位置狀態(tài),,,,,

,,,,,,,轉(zhuǎn)向節(jié)臂計(jì)算力臂(mm),,,,312.2,

,,,,,,,轉(zhuǎn)向垂臂計(jì)算力臂(mm),,,,300,

,,,,,,,原地阻力矩?fù)Q算到當(dāng)量桿上的阻力(N),,,,10801.48033,

,,,,,,,動(dòng)力轉(zhuǎn)向器輸出到當(dāng)量桿的拉力(N),,,,12813.33333,符合

,,,,,,,轉(zhuǎn)向助力泵作用，方向盤的轉(zhuǎn)動(dòng)力(N),,,,30.0694432,

,,,,,,,轉(zhuǎn)向助力泵失效，方向盤的轉(zhuǎn)動(dòng)力(N),,,,914.9785739,

,,,,,,,5.轉(zhuǎn)向拉桿位于左極限位置狀態(tài),,,,,

,,,,,,,轉(zhuǎn)向節(jié)臂計(jì)算力臂(mm),,,,198.5,

,,,,,,,轉(zhuǎn)向垂臂計(jì)算力臂(mm),,,,226.1,

,,,,,,,原地阻力矩?fù)Q算到當(dāng)量桿上的阻力(N),,,,16988.52472,

,,,,,,,動(dòng)力轉(zhuǎn)向器輸出到當(dāng)量桿的拉力(N),,,,19821.67559,符合

,,,,,,,轉(zhuǎn)向助力泵作用，方向盤的轉(zhuǎn)動(dòng)力(N),,,,40.6589512,

,,,,,,,轉(zhuǎn)向助力泵失效，方向盤的轉(zhuǎn)動(dòng)力(N),,,,786.627857,

,,,,,,,6.轉(zhuǎn)向拉桿位于右極限位置狀態(tài),,,,,

,,,,,,,轉(zhuǎn)向節(jié)臂計(jì)算力臂(mm),,,,259.6,

,,,,,,,轉(zhuǎn)向垂臂計(jì)算力臂(mm),,,,211,

,,,,,,,原地阻力矩?fù)Q算到當(dāng)量桿上的阻力(N),,,,12990.06994,

,,,,,,,動(dòng)力轉(zhuǎn)向器輸出到當(dāng)量桿的拉力(N),,,,21233.16527,符合

,,,,,,,轉(zhuǎn)向助力泵作用，方向盤的轉(zhuǎn)動(dòng)力(N),,,,31.09952072,

,,,,,,,轉(zhuǎn)向助力泵失效，方向盤的轉(zhuǎn)動(dòng)力(N),,,,786.8845595,

,,,,,,,,,,,,,

,,,,,,,附表五、轉(zhuǎn)向助力泵總成基本參數(shù)的匹配校核：方法詳見【人民交通出版社出版《汽車設(shè)計(jì)》】,,,,,

,,,,,,,,,,,,,

,,,,,,,1.發(fā)動(dòng)機(jī)怠速時(shí)轉(zhuǎn)向助力泵排量(L),,,,9.6,不符合

,,,,,,,2.發(fā)動(dòng)