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小螺母引發故障:鎖緊螺母導致轎車擋位錯亂案例



發布時間:2020/1/2 15:51:53 點擊次數:591次

案例故障現象

大赢家棋牌官方下载 yiliang2010nianchanxuefolanxinsaioujiaoche,dazai1.6lfadongjihe5dangshouziyitiemtbiansuqi,xingshilichengwei4.3wankm,yonghufanyingcheliangyibiaozhongdebiansuqiguzhangdengyoushidianliang,guzhangdengliangshidangweicuoluan,bunengzhengchangxingshi,youshiguzhangchuxianhoushaodengyihuihuozhongxindakaidianhuokaiguanyounenghuifuzhengchang。

檢查分析

大赢家棋牌官方下载 chaxunxiangguanweixiujilu,faxianyichangshigenghuanguohuandangganzongcheng、zhidongkaiguan、biansuqixianshujihuandangzhixingqizongcheng,bingchaichulesuoyoujiazhuangdebujian,danguzhangdouweinengpaichu。shicheguzhangxianxianggenyonghumiaoshudeyizhi,kehuhuanfanyingguzhangyijingcunzaiyiduanshijian,zuijinchuxiandebijiaopinfan。yongzhuanyongguzhangzhenduanyirdsjinxingjiance,faxianyouduoda9geguzhangma,fenbieshiguanyubiansuqishoudonghuandangkaiguan、zhidongkaiguan、huandangweizhichuanganqi、xuandangweizhichuanganqi、biansuqiyeyayouyalichuanganqideguzhangma。fenxizhexieguzhangmadoushishuyudianzikongzhixitongzhongdexinhaoshurubufen,bingmeiyoudangweizhixingbufen。kaolvdaoguzhangmataiduoqieguzhangxiangduirongyichuxian,huaiyishiyouyujinxingguoxiangguanchaizhuangdaozhiguzhangchansheng,yushizaijiluhaozhexieguzhangmahou,jinxingqingchuguzhangmacaozuo。

大赢家棋牌官方下载 qingchusuoyouguzhangmahou,fanfushichehouguzhangzaicichuxian,cishichakanxiangguanzhenduanguzhangma(dtc)youchuxian3gelishidtc,huanshiguanyushoudonghuandangkaiguanhexuandangweizhichuanganqide。lingwaixinchuxianyige“p0805——liheqiweizhichuanganqi”dedtc(tu1),ciguzhangmarengshichuzaidianzikongzhixitongzhongdexinhaoshurubufen。yushiyongzhuanyongzhenduanyirdszhongdianchakanzaicichuxianguzhangmadebiansuqishoudonghuandangkaiguanhexuandangweizhichuanganqideshujuliu,dangguzhangchuxianshirdsshujuliuzhongqueshicunzaishoudonghuandangkaiguanweizhiyudangqiandangweimingxianbuyizhidexianxiang。dangshijidangweifenbiezaiqianjindangjidaodangshi,“biansuqishoudonghuandangkaiguanweizhi”duiyingxianshideshi:“weiqingqiu”he“kongdang”。

tu1 biansuqidianzikongzhixitongzhongdeguzhangma

大赢家棋牌官方下载 chakanshoudonghuandangkaiguandexianlubingjinxingceliang(tu2),tuzhongdehuandangqijiushishujuliuzhongdeshoudonghuandangkaiguan,duiqizhongde6、7、8、9、10haoduanziceliangweifaxianyichang;dancelianggongdianduanzi5shifaxianbuzhengchang:zaidakaidianhuokaiguandanbuqidongfadongjideqingkuangxia,yibiancelianghuandangqiduanzi5degongdiandianya,yibianhuandangceshi,qidianyayaobizhengchangchedi,zuidishizhiyou10.93vzuoyou(tu3),danxudianchishilianghaodeqieqitaxitongdianyuanxiandianyadouzai12.00vyishang,lingwaidangweizaikongdangshiyezai12.00vzuoyou,xiangduizhengchang。zaiyongwanyongbiaodedianzudangcelianghuandangqi1haoduanziyucheshendatiejiandedianzuwei0.1ω,shuominghuandangqi1haoduanziduicheshendatielianghao。

tu2 shoudonghuandangkaiguandedianlutu

tu3 huandangqi5haoduanzidegongdiandianya

huandangqigongzuoshigongzuodianyaguodi,huaiyishishouqitashebeideyingxiang,zhuyibadiaorongsiheneidegeyongdianshebeiderongsi,dangbadiaof12 (15a)dezhidongdengrongsishi,huandangqi5haoduanzigongdiandianyakeda11.50v,dianyamingxianshangsheng,guzhangyeshibuchulaile,shujuliuzhongdeshoudonghuandangkaiguanweizhiyushijidangweiyenengshixiantongbuyizhi。tongguoceshishuomingzhidongdengdegongzuoyingxiangdaolehuandangqidegongzuo,huaiyiyixiajigefangmian:zhidongdengdexianluguzhang;zhidongdengpaojidengzuoguzhang;zhidongdenggongzuoshiqitadianludeyingxiang。

weilequedingshinageyuanyin,yushihuifuhaorongsi,bingchaichulianghouzhidongdengpao、gaoweidengpaohuobadiaotamendedengzuochajieqi,cishihuandangqidegongdiandianyadounengshangsheng;ranhouliuxiaqizhongrenheyigezhidongdengpao,guzhangdoukeyihenrongyichuxian。tongguozheliangbuceshikeyiquedingzhidongdengjixianlubenshenbingwuyichang,erzhiyaoyouzhidongdenggongzuo,guzhangjiuhuichuxian。fenxiyuanyinkenengshi,5haoduanzidegongdiandianyabenlaijiuhendi,zhidongdengdegongzuohuiyinqigongdiandianyaqingweijiangdi,zhenghaozaihuandangqizhengchanggongzuodianyadelinjiedian,daozhiguzhangchuxian。cishizhongdiankaolvzhidongdenggongzuoshiqitadianlushifouyouyingxiang。

cishihuanfaxianyichuyichang:jiangdangweizaid、nherdangjianqiehuanshi(tu4),danghuandaordangshi,zhidongdengjidaochedengtongshidianliang,yibiaodebeijingdengguanghuimingxiandeshandongyixia,bingqiehuibianan。cishihuandangqi5haoduanzidegongdiandianyayehuitongbuxiajiang,shuomingbujinshihuandangqidianyabuwending,cheneideyibiaodianyayeshibuwendingqiepiandide。dianyabuwenbingbushidanyibujiancaiyou,yinciyingshouxianjiejuezheyigongxingwenti,yexutamendeguzhangyuanyinshiyiyangde。

tu4 d、rdangjianqiehuanshihuandangqidegongdiandianya

dangcheneishebeichuxiandianyabuwendingshi,celiangfadongjicangneiyongdianshebeidedianyaquehenwending,shenmeyuanyinhuishicheneiyongdianshebeidianyabuzuni?fenxikenengdeyuanyinyou:dianyuanzishenguzhang;fadianjichongdianxitongguzhang;yongdianshebeichaozai;xianlulaohuashousun;datiebuliangdeng。

qian2zhongyuanyinkeyixianpaichu,yinweizaifadongjicangneiceliangdianyameiyouwenti,lingwaiyishangguzhangceliangshiyezhishizaidianhuokaiguandakaidetiaojianxiajinxing,bingbushejidaofadianhechongdian。zhiyuyongdianshebeichaozai ,zhiqianweixiuyijingbajiazhuangdeshebeichaichu,shengxiadedoushiyuancheshebei,yongdianshebeichaozaikenengxingxiao。lingwaiguzhangchuxianshiyeduizhidongdengxitongjinxingleceshi,paichulezhidongdengpao、dengzuo、xianludengyichangdekenengxing。

jiexialaizhongdiankaolvxianlulaohuashousun、datiebuliangdeng。yaozhaohuandangqigongdianduanzijiyibiaodianyabuzudegongtongdian,xiangduieryandatiebuliangkenengxinggengdaqiegengrongyijiancha,guzhangyoushichuzaichexiangnei,yincihuaiyicheshendatiebuhao。yushiyongwanyongbiaodedianzudangceliangchexiangneidejinshuzhijiayuxudianchifujijiandedianzu,jingranyou874kω,zhengchangyinggaizai5ωyixia,shenzhikeda0ω。weilejinyibuyanzhengciyichangduiguzhangdeyingxiang,yongdianlanxianyitoujiazaixudianchifuji,lingyitoujiacheneidatiedejinshuzhijia(tu5),huandangqi5haoduanzigongdiandianyayoumingxianbianhua。dangcheshenneidatietongguodianlanxianyuxudianchidefujilianjieshihuandangqigongdiandianyayouguzhangshide10.55vshangshengdao12.07v,dangweicuoluandeguzhangbuzaichuxian,tongshiyibiaobandebeijingdengguangliangduyehuifuzhengchang。

tu5 yongdianlanxianyanzhengdatiebuliang

henmingxianguzhangshiyouyucheshendatiebuliangyinqi,yushiyanzhuxudianchidefujixianchazhaocheshendatie,zuihoujushengcheliang,zaizuoqianzongliangxiaduanmianfaxiancheshendatiediang100songdong,ladongdatiexianshushisongdongde。zaichaijiandatiediang100shifaxianqisuojinluomusuiranhenjin,danshidatiexianshujietoubingmeiyouwanquanyajindaocheshendaliangdatiedianshang,datiexianshujiechumianyijingbumanhuichen、nisha(tu6)。

大赢家棋牌官方下载 tu6 bumanhuichen、nishadedatiexianshujietou

大赢家棋牌官方下载 shishenmeyuanyinzaochengdeni?jianchadatiediang100desuojinluomuheluoshuanfaxiangaichesuocaiyongdesuojinluomumeiyouyudatiedianluoshuanxiangpipeidejieti(tu7),daozhiluomuningjinhoudeyajinmianyudatiediandejizuomianrengranyoujiaodafengxicongerzaochengg100datiexianshusongdong。henmingxian,cheshendatieg100xianshusongdonghuiyinqidatiebuliang,zheyeshizhenggecheshendedatieyuxudianchifujijianchuxiandazuzhideyuanyin。

tu7 guzhangchedesuojinluomuheyuanzhuangdesuojinluomu

故障排除

將車身搭鐵G100的鎖緊螺母大赢家棋牌官方下载更換成原裝產品,故障完全排除。

大赢家棋牌官方下载 ciguzhanganliweixiuzhong,jiexiuqiandeqitaweixiurenyuanfanleyigehenchangjiancuowu:zhishijiandangenjuguzhangmaheyixiezhiqiandeweixiujingyangenghuanbujian,zheyangwangwangbunengjiejuewenti,youshijishijiejuelewenti,yebuzhiqisuoyiran,jishushuipingtigaoyehuihenman。womenyinggaizailejiejiegouyuanlidejichushangfenxiguzhangxianxianghexiangguanshuju,liechugezhongweixiufangan,ranhougenjunanyichengdu、kenengxingdengxuanchukekaofanganjinxingyouzhenduixingdeceshiheceliang,bingduibiyanzhengzhizhizhaodaoguzhangdian。zuihouhuanyaozongjiefenxi,duixiangguandejiegouyuanlijiuhuiyougengshenrudelijie,yihouzaiyudaoxiangguanxitongdegeleiguzhangjiuhuihenrongyijiejue。

cicheyouhenduoguzhangmaqieguzhangmabianhuabuding。guzhangmasuoshubujiantongshichuxianguzhangdekenengxingbuda,zhaochugongtongdian,tamendoushishuyuemtbiansuqidianzikongzhixitongzhongdexinhaoshurubufen,yushiyouzhenduixingdichakanshujuliu,bingceliangduiyingdexianlu,faxianyougongtongdedianyabuwendingxianxiang。yeshitongguofenxiheceliangceshizuizhongzhaodaoleguzhangdian:youyucheshendatiebuliangyinqicheneigongdiandianyabuwending。tebieshizaiguadaodangshi,daochedenghezhidongdengdoudianliang,yongdianqidegongzuohuiyinqiqitayongdianshebeidianyashaoweijiangdiyixie。suirandianyajiangdehenxiao,danshiguzhangchehuandangqidegongdiandianyabenlaijiuhendi,erzhengshixiajiangdezhebufendianyazhijiedaozhihuandangqigongdiandianyaguodidexianxianggengjiatuchu。cishijiuhuiyingxiangdao7、8、9、10dengduanzidexinhaozhunquexing,shenzhishiweichikongzhidanyuanzhengchanggongzuodedianyadoubunengbaozheng,yejiuhuichuxianhenduoxinhaoshurudeguzhangma,dangweicuoluandexianxiangyejiuchuxianle。

最后,回顧一些細節上的問題,可以肯定這是因為以前其他維修引起的新故障(換了一個非原裝的小螺母),而為什么當時故障沒有馬上就出來呢?搭鐵線束接觸面布滿灰塵、泥沙可以說明搭鐵不良是一個不斷惡化的過程。另外在對換擋器的搭鐵線進行測量時,其與車身搭鐵為什么是正常的0.1Ω。這是因為1號端子搭鐵線的搭鐵點G204與車身連接是良好的。但車身與蓄電池負極的連接由于搭鐵點G100的故障,肯定也是接觸不良的,因此我們測量搭鐵時可嘗試在多個點進行,提高正確率。

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