在(zai)汽(qi)車(che)修(xiu)理(li)和(he)保(bao)養(yang)作(zuo)業(ye)中(zhong),均(jun)需(xu)對(dui)車(che)輪(lun)製(zhi)動(dong)器(qi)的(de)製(zhi)動(dong)蹄(ti)蹄(ti)片(pian)間(jian)隙(xi)進(jin)行(xing)合(he)理(li)的(de)調(tiao)整(zheng)。該(gai)間(jian)隙(xi)調(tiao)整(zheng)得(de)好(hao)壞(huai),將(jiang)直(zhi)接(jie)影(ying)響(xiang)汽(qi)車(che)的(de)製(zhi)動(dong)效(xiao)能(neng)及(ji)車(che)輛(liang)行(xing)駛(shi)安全。
在調整氣壓製動係的非平衡式車輪製動器製動蹄蹄片間隙時,通常會遇到以下幾種情況:1、兩製動蹄與製動凸輪接觸麵的端麵磨損量不同,2、兩製動蹄的摩擦襯片磨損量不同,一般情況下是緊蹄的摩擦襯片磨損量大,鬆蹄的摩擦襯片磨損量小;3、新換製動摩擦襯片厚薄相差過大;4、製(zhi)動(dong)凸(tu)輪(lun)軸(zhou)支(zhi)架(jia)換(huan)修(xiu)等(deng)。造(zao)成(cheng)車(che)輪(lun)製(zhi)動(dong)器(qi)內(nei)的(de)兩(liang)製(zhi)動(dong)蹄(ti)片(pian)在(zai)工(gong)作(zuo)時(shi)不(bu)能(neng)同(tong)時(shi)與(yu)製(zhi)動(dong)鼓(gu)接(jie)觸(chu),即(ji)出(chu)現(xian)一(yi)邊(bian)的(de)製(zhi)動(dong)蹄(ti)片(pian)與(yu)製(zhi)動(dong)鼓(gu)之(zhi)間(jian)的(de)間(jian)隙(xi)大(da),另(ling)一(yi)邊(bian)則(ze)間(jian)隙(xi)小(xiao)的(de)現(xian)象(xiang),從(cong)而(er)引(yin)起(qi)製(zhi)動(dong)效(xiao)能(neng)下(xia)降(jiang)、跑偏或製動失靈故障,直接危及人民生命財產的安全。
對於上述現象,以往書籍上介紹的均是采用“songkaiqianlunzhidongtulunzhijiashangdesangetongdingluoshuanhuozhesongkaihouzhidongtulunzhouzhijiashangdeergegudingluoshuan,yonglangtouqiaojihuoyongqiaopengqiaodongtulunzhou,shizhixiangjianxidadeyiceyidong,shiliangzhidongtimocapianjianxiquyuyizhi,ranhoujiangzhijiagudingluoguixuanjin”的(de)方(fang)法(fa),這(zhe)種(zhong)方(fang)法(fa)操(cao)作(zuo)起(qi)來(lai)既(ji)費(fei)時(shi)又(you)麻(ma)煩(fan),並(bing)且(qie)調(tiao)整(zheng)後(hou)的(de)兩(liang)製(zhi)動(dong)蹄(ti)片(pian)與(yu)鼓(gu)之(zhi)間(jian)的(de)間(jian)隙(xi)隻(zhi)能(neng)達(da)到(dao)相(xiang)近(jin),還(hai)是(shi)不(bu)能(neng)保(bao)證(zheng)製(zhi)動(dong)時(shi)兩(liang)製(zhi)動(dong)蹄(ti)蹄(ti)片(pian)與(yu)製(zhi)動(dong)鼓(gu)同(tong)時(shi)接(jie)觸(chu)。
那麼,有沒有更好的辦法使製動鼓與製動蹄片之間的間隙達到最佳且實現上述的要求呢?我們在修車實踐中總結了一種既簡便、省時且效果又好的操作方法。具體的操作過程如下:
當某一車輪製動器中製動蹄片與製動鼓間的間隙出現一邊大、一邊小時,先用千斤頂頂起該車輪蹄並鬆開製動凸輪軸支架上的固定螺桂,再鬆開製動支承銷(也稱偏心軸)的固定螺母,轉動兩個製動蹄支承銷,使製動蹄支承銷上的記號在相對位置靠攏(對無記號的應使製動蹄支承銷轉到偏心量最小位置),然ran後hou扳ban動dong調tiao整zheng臂bi調tiao整zheng蝸wo杆gan,使shi製zhi動dong蹄ti片pian壓ya緊jin到dao製zhi動dong鼓gu上shang。由you於yu兩liang製zhi動dong蹄ti摩mo擦ca片pian與yu製zhi動dong鼓gu之zhi間jian的de間jian隙xi不bu一yi致zhi,必bi然ran使shi其qi中zhong一yi製zhi動dong蹄ti片pian先xian壓ya到dao製zhi動dong鼓gu上shang,先xian與yu製zhi動dong鼓gu接jie觸chu的de製zhi動dong蹄ti片pian給gei製zhi動dong鼓gu一yi作zuo用yong力li,同tong時shi製zhi動dong鼓gu對dui製zhi動dong蹄ti片pian有you一yi反fan作zuo用yong力li,這zhe個ge反fan作zuo用yong力li傳chuan給gei製zhi動dong凸tu輪lun,使shi製zhi動dong凸tu輪lun一yi邊bian受shou力li一yi邊bian不bu受shou力li,因yin為wei此ci時shi凸tu輪lun軸zhou支zhi架jia的de固gu定ding螺luo拴shuan已yi鬆song開kai,不bu能neng提ti供gong支zhi承cheng反fan力li,故gu凸tu輪lun軸zhou、tulunzhouzhijiazaizhegefanzuoyonglidezuoyongxiaxiangzhidongtipianjianxidadeyiceyidong,zhidaolingyigezhidongtipianyeyuzhidongguyajin,zhizhitulunzhoutulunliangbiandeshoulixiangdengshiweizhi,cishizaizhuandongliangzhidongtizhichengxiao,xianxiaochuxiaduanjianxibingtuihuishaoxu,songkaitiaozhengbitiaozhengwogan,ranhoubianzhuandongzhidonggubiantiaozhengrenyizhidongtizhichengxiao,shizhidongguyuzhidongmocapianlveyoupengca,zainingjintiaozhengbitiaozhengwogan,zhizhitiaodaodangtiaozhengbidetiaozhengwoganningjinhouzaituihuil~2geshi,zhidongguyuzhidongmocapianyingwupengcayouhuoshaoyoupengca,cishizheyipiandezhidongtiyuzhidongguzhijiandejianxijiutiaohaole,caiyongtongyangdefangfatiaohaolingyizhidongtipianyuzhidongguzhijiandejianxi。ranhousongkaitiaozhengbiwogan1~2格ge,轉zhuan動dong製zhi動dong鼓gu,在zai製zhi動dong鼓gu不bu失shi圓yuan的de條tiao件jian下xia,製zhi動dong鼓gu與yu製zhi動dong蹄ti片pian之zhi間jian應ying無wu碰peng擦ca聲sheng或huo有you輕qing微wei且qie均jun勻yun的de碰peng擦ca聲sheng,最zui後hou,重zhong新xin擰ning緊jin調tiao整zheng臂bi調tiao整zheng蝸wo杆gan,這zhe時shi緊jin固gu凸tu輪lun軸zhou支zhi架jia螺luo栓shuan,製zhi動dong蹄ti支zhi承cheng銷xiao螺luo母mu,再zai將jiang調tiao整zheng蝸wo杆gan退tui回hui3~4格,至此調整工作全部結束。
這zhe種zhong調tiao整zheng方fang法fa是shi利li用yong製zhi動dong鼓gu給gei製zhi動dong蹄ti的de反fan作zuo用yong力li去qu移yi動dong凸tu輪lun軸zhou支zhi絮xu,省sheng去qu了le人ren為wei移yi動dong。人ren為wei移yi動dong時shi,移yi動dong量liang不bu易yi掌zhang握wo,當dang需xu了le解jie移yi動dong量liang的de大da小xiao時shi,就jiu要yao進jin行xing反fan複fu測ce量liang,這zhe就jiu是shi車che輪lun製zhi動dong器qi調tiao整zheng時shi既ji麻ma煩fan又you費fei時shi的de主zhu要yao原yuan因yin。以yi上shang介jie紹shao的de車che輪lun製zhi動dong器qi調tiao整zheng法fa還hai集ji製zhi動dong蹄ti片pian間jian隙xi全quan麵mian調tiao整zheng於yu一yi身shen,大da大da減jian少shao了le調tiao整zheng工gong時shi,保bao證zheng了le製zhi動dong器qi良liang好hao的de製zhi動dong性xing能neng,實shi為wei一yi種zhong簡jian便bian、省時且效果好的調整方法。
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