製動器要求每個班次檢查一次,經常出現的問題有以下幾種:
1、 製(zhi)動(dong)力(li)矩(ju)逐(zhu)漸(jian)減(jian)小(xiao),這(zhe)是(shi)由(you)於(yu)製(zhi)動(dong)帶(dai)磨(mo)損(sun),主(zhu)彈(dan)簧(huang)逐(zhu)漸(jian)放(fang)鬆(song)或(huo)製(zhi)動(dong)架(jia)各(ge)鉸(jiao)點(dian)的(de)孔(kong)或(huo)軸(zhou)磨(mo)損(sun)過(guo)大(da)等(deng)原(yuan)因(yin)造(zao)成(cheng)的(de),如(ru)果(guo)製(zhi)動(dong)帶(dai)磨(mo)損(sun)到(dao)原(yuan)厚(hou)度(du)的(de)一(yi)半(ban)時(shi)就(jiu)更(geng)換(huan)。銷(xiao)軸(zhou)的(de)磨(mo)損量超過原直徑的5%,橢圓度超過1㎜時要更換,孔的磨損量超過原孔徑5%時,可用鉸刀擴孔,並重新配製相應的銷軸用。如果孔磨損很大,可用擴孔後加套或焊糕點後再加工孔的辦法修複。
2、 製(zhi)動(dong)器(qi)突(tu)然(ran)失(shi)靈(ling),這(zhe)可(ke)能(neng)是(shi)由(you)於(yu)製(zhi)動(dong)帶(dai)磨(mo)損(sun)嚴(yan)重(zhong)或(huo)脫(tuo)掉(diao),長(chang)行(xing)程(cheng)製(zhi)動(dong)器(qi)的(de)鐵(tie)心(xin)擱(ge)在(zai)支(zhi)架(jia)或(huo)車(che)架(jia)上(shang),有(you)時(shi)連(lian)接(jie)電(dian)磁(ci)鐵(tie)和(he)牽(qian)引(yin)杆(gan)的(de)連(lian)接(jie)板(ban)上(shang)的(de)小(xiao)軸(zhou)竄(cuan)出(chu),使(shi)一(yi)片(pian)連(lian)接(jie)板(ban)倒(dao)轉(zhuan)下(xia)來(lai)支(zhi)在(zai)車(che)架(jia)上(shang),有(you)的(de)是(shi)液(ye)壓(ya)推(tui)杆(gan)壓(ya)在(zai)殼(ke)體(ti)上(shang),也(ye)有(you)彈(dan)簧(huang)失(shi)效(xiao)或(huo)製(zhi)動(dong)架(jia)損(sun)壞(huai)等(deng)原(yuan)因(yin),致(zhi)使(shi)製(zhi)動(dong)帶(dai)抱(bao)不(bu)住(zhu)製(zhi)動(dong)輪(lun)而(er)引(yin)起(qi)的(de),除(chu)更(geng)換(huan)和(he)修(xiu)複(fu)損(sun)壞(huai)的(de)零(ling)件(jian)外(wai),應(ying)調(tiao)整(zheng)製(zhi)動(dong)器(qi)。
3、 製zhi動dong器qi溫wen度du過guo高gao,製zhi動dong帶dai冒mao煙yan,這zhe主zhu要yao是shi由you於yu安an裝zhuang調tiao整zheng得de不bu好hao而er引yin起qi的de。有you時shi製zhi動dong器qi雖sui然ran打da開kai,但dan有you一yi個ge製zhi動dong帶dai沒mei有you離li開kai製zhi動dong輪lun,工gong作zuo時shi相xiang互hu磨mo擦ca,使shi製zhi動dong輪lun的de溫wen度du短duan時shi間jian升sheng到dao300~400℃,製zhi動dong帶dai冒mao煙yan,應ying及ji時shi調tiao整zheng製zhi動dong架jia使shi製zhi動dong輪lun的de製zhi動dong麵mian平ping行xing。有you的de是shi夏xia季ji在zai高gao溫wen車che間jian連lian續xu工gong作zuo的de起qi升sheng機ji構gou製zhi動dong輪lun,也ye會hui出chu現xian高gao溫wen情qing況kuang,應ying及ji時shi冷leng卻que,起qi重zhong機ji中zhong所suo用yong製zhi動dong輪lun的de溫wen升sheng,一yi般ban不bu高gao於yu環huan境jing溫wen度du的de120℃,冬季(-20℃)它的表麵溫度通常在50℃以下,高溫製動輪的最好冷卻方法,對起升機構可空鉤在極限範圍內運行一、二次,即可從300—400℃降到70℃左右(環境溫度20℃左右),應注意在高溫時製動很緊的製動器,冷卻後可能變得很鬆,要重新調整製動器。
4、 製動器打不開 常chang因yin各ge鉸jiao點dian卡ka死si不bu能neng轉zhuan動dong,主zhu彈dan簧huang的de作zuo用yong力li太tai大da,液ye壓ya推tui杆gan或huo液ye壓ya電dian磁ci鐵tie油you缸gang中zhong缺que油you或huo空kong氣qi沒mei有you放fang盡jin,線xian圈quan或huo整zheng流liu元yuan件jian燒shao毀hui,線xian路lu出chu了le故gu障zhang,電dian壓ya過guo低di等deng,找zhao出chu原yuan因yin後hou,應ying及ji時shi修xiu複fu。製zhi動dong架jia的de各ge鉸jiao點dian應ying用yong稀xi油you每mei周zhou澆jiao注zhu一yi次ci,使shi其qi減jian少shao磨mo損sun並bing能neng靈ling活huo轉zhuan動dong。
