橋式起重機故障檢修常用的幾種方法(電氣部分)橋式起重機故障檢修常用的幾種方法(電氣部分)
在目前的起重領域中所使用的橋式起重機,qidianqikongzhifangshijuedaduoshuhaishicaiyongyouchudiandejiaoliujiechuqikongzhi。zhezhongkongzhifangshizaimuqiandegongyedianqizidonghuakongzhilingyuzhongxiandexiangduigulaolexuduo,danyouyuzhezhongkongzhixitongduieliehuanjingdeshiyingxingjiaoqiang,raoxianshiyibudiandongjizaiqizhonglingyujuyouyouyuedegongzuoxingnengyijizaojiadengyuanyin,zhezhongkongzhifangshihaishijuyouzheguangfandeyingyongqianjing。
youyuyouchudiandejiaoliujiechuqishouqiguyoudejixieshoumingheeliegongzuohuanjingdeqinshi,yijihengaodegongzuopinlv,qifashengguzhangdepinlvyexiangduijiaogao,suoyiduiqijinxingrichangweihuhejianxiugongzuohenzhongyao。youqishizaizhonggongqiyezhong,duiqizhongjideyunzhuanlvyaoqiuhengao,weixiurenyuanbixujiaqiangrichangweihuyitigaoshebeiyunzhuanlv,lingyifangmian,shebeizaixianfashengguzhangshi,bixujinkenengdisuoduanjianxiushijian,yibaozhengzhengchangdeshengchanjiezou。zhedouyaoqiuweixiurenyuanjuyoujiaoqiangdeyewujineng。
對(dui)於(yu)電(dian)氣(qi)維(wei)修(xiu)人(ren)員(yuan)的(de)業(ye)務(wu)技(ji)能(neng),紮(zha)實(shi)的(de)電(dian)氣(qi)基(ji)礎(chu)理(li)論(lun)知(zhi)識(shi)很(hen)重(zhong)要(yao),但(dan)對(dui)於(yu)在(zai)線(xian)搶(qiang)修(xiu)來(lai)說(shuo),維(wei)修(xiu)人(ren)員(yuan)在(zai)長(chang)期(qi)的(de)檢(jian)修(xiu)實(shi)踐(jian)工(gong)作(zuo)中(zhong)積(ji)累(lei)的(de)經(jing)驗(yan)和(he)技(ji)巧(qiao)將(jiang)顯(xian)得(de)更(geng)加(jia)重(zhong)要(yao),搶(qiang)修(xiu)時(shi),要(yao)求(qiu)的(de)是(shi)維(wei)修(xiu)人(ren)員(yuan)在(zai)最(zui)短(duan)的(de)時(shi)間(jian)內(nei)對(dui)故(gu)障(zhang)做(zuo)出(chu)判(pan)斷(duan),對(dui)故(gu)障(zhang)判(pan)斷(duan)時(shi)間(jian)的(de)長(chang)短(duan),一(yi)方(fang)麵(mian)要(yao)求(qiu)維(wei)修(xiu)人(ren)員(yuan)對(dui)設(she)備(bei)性(xing)能(neng)很(hen)熟(shu)悉(xi),另(ling)一(yi)方(fang)麵(mian)就(jiu)是(shi)要(yao)求(qiu)維(wei)修(xiu)人(ren)員(yuan)在(zai)檢(jian)修(xiu)時(shi)講(jiang)究(jiu)一(yi)定(ding)的(de)方(fang)式(shi)方(fang)法(fa)。
本人根據長期的起重機電氣檢修工作實踐,總結了幾種較為快捷有效的檢修方法和技巧,以供參考。
感官法:就是通過人的眼睛.耳朵.鼻子以及手等感覺器官,感知故障狀況,獲取故障信息,對故障做出初步判斷。比如:當發生某一故障時,在我們向操作人員了解清楚故障現象後,我們就可以通過眼睛觀察,看有無明顯的故障點,采取相應的措施;也可以用耳朵聽故障聲音,判斷出是機械聲音還是電動機內的電氣故障聲音,采取相應措施;也可以用鼻子聞氣味,判斷是否有元件燒毀等情況;還可以用手感覺電動機等部件的溫度,幫助我們對故障做出正確判斷。這種方法就需要維修人員要具備一定的經驗。
應急法:就jiu是shi當dang我wo們men通tong過guo使shi用yong了le以yi上shang的de感gan官guan法fa後hou仍reng然ran不bu能neng盡jin快kuai排pai除chu故gu障zhang,而er生sheng產chan線xian又you不bu允yun許xu設she備bei長chang時shi間jian停ting歇xie的de情qing況kuang下xia,我wo們men就jiu要yao采cai取qu應ying急ji措cuo施shi,盡jin快kuai讓rang設she備bei動dong起qi來lai。采cai取qu這zhe種zhong方fang法fa時shi,要yao求qiu維wei修xiu人ren員yuan具ju備bei豐feng富fu的de維wei修xiu經jing驗yan和he紮zha實shi的de電dian氣qi理li論lun知zhi識shi,因yin為wei采cai取qu應ying急ji措cuo施shi的de前qian提ti是shi要yao建jian立li在zai保bao證zheng安an全quan的de前qian提ti下xia,如ru果guo沒mei有you紮zha實shi的de電dian氣qi知zhi識shi和he豐feng富fu的de經jing驗yan,就jiu難nan以yi保bao證zheng安an全quan,沒mei了le安an全quan的de保bao證zheng,一yi切qie都dou將jiang無wu從cong談tan起qi!應(ying)急(ji)法(fa)知(zhi)識(shi)在(zai)緊(jin)急(ji)情(qing)況(kuang)下(xia)采(cai)取(qu)的(de)臨(lin)時(shi)措(cuo)施(shi),不(bu)能(neng)長(chang)期(qi)使(shi)用(yong),所(suo)以(yi)當(dang)緊(jin)急(ji)情(qing)況(kuang)消(xiao)失(shi)以(yi)後(hou),我(wo)們(men)還(hai)要(yao)認(ren)真(zhen)地(di)排(pai)查(zha)故(gu)障(zhang)消(xiao)滅(mie)故(gu)障(zhang)。排(pai)查(zha)較(jiao)為(wei)隱(yin)藏(zang)地(di)故(gu)障(zhang),我(wo)們(men)還(hai)可(ke)以(yi)采(cai)取(qu)以(yi)下(xia)幾(ji)種(zhong)方(fang)法(fa):
試車法:就是在保證不會導致故障擴大地前提下,通過送電試車,反複觀察動作機構的動作情況,發現異常,排除故障或幫助進一步查找故障。
電壓法:這(zhe)是(shi)一(yi)種(zhong)直(zhi)接(jie)有(you)效(xiao)的(de)快(kuai)捷(jie)方(fang)法(fa),當(dang)發(fa)現(xian)一(yi)個(ge)動(dong)作(zuo)機(ji)構(gou)該(gai)動(dong)作(zuo)而(er)未(wei)動(dong)作(zuo)時(shi),我(wo)們(men)就(jiu)可(ke)以(yi)用(yong)萬(wan)用(yong)表(biao)從(cong)線(xian)圈(quan)兩(liang)端(duan)開(kai)始(shi),逐(zhu)個(ge)量(liang)取(qu)線(xian)圈(quan)和(he)線(xian)圈(quan)支(zhi)路(lu)中(zhong)各(ge)元(yuan)件(jian)的(de)電(dian)壓(ya),最(zui)終(zhong)找(zhao)出(chu)故(gu)障(zhang)點(dian),排(pai)除(chu)故(gu)障(zhang)。
短接法:當(dang)我(wo)們(men)發(fa)現(xian)一(yi)個(ge)動(dong)作(zuo)元(yuan)件(jian)應(ying)該(gai)動(dong)作(zuo)而(er)沒(mei)有(you)動(dong)作(zuo),而(er)這(zhe)個(ge)元(yuan)件(jian)又(you)處(chu)在(zai)一(yi)個(ge)多(duo)回(hui)路(lu)中(zhong),使(shi)用(yong)萬(wan)用(yong)表(biao)不(bu)能(neng)得(de)出(chu)準(zhun)確(que)結(jie)論(lun)時(shi),我(wo)們(men)可(ke)以(yi)通(tong)過(guo)短(duan)接(jie)該(gai)元(yuan)件(jian)線(xian)圈(quan)支(zhi)路(lu)中(zhong)的(de)聯(lian)互(hu)鎖(suo)控(kong)製(zhi)元(yuan)件(jian),逐(zhu)一(yi)排(pai)除(chu)故(gu)障(zhang)點(dian)。
接地法:當dang懷huai疑yi一yi個ge較jiao長chang支zhi路lu線xian路lu有you斷duan線xian和he查zha找zhao線xian路lu斷duan點dian時shi,在zai斷duan電dian的de情qing況kuang下xia,可ke以yi將jiang線xian路lu的de一yi端duan接jie地di,逐zhu級ji測ce量liang線xian路lu另ling一yi端duan是shi否fou也ye接jie地di,從cong而er得de出chu準zhun確que結jie論lun。
以上隻是檢修方法中的一小部分,方法有許多種,這需要我們不斷地思索與總結,總之,隻要動腦筋,方法總會有的!
手機版|
關注公眾號|

下載手機APP

