電(dian)機(ji)也(ye)可(ke)稱(chen)為(wei)電(dian)動(dong)機(ji);通(tong)常(chang)電(dian)壓(ya)分(fen)為(wei)220V和(hu)380V;電(dian)機(ji)轉(zhuan)速(su)可(ke)分(fen)為(wei)2級(ji),4級(ji),6級(ji),8級(ji)等(deng),級(ji)數(shuo)不(bu)一(yi)樣(yang),轉(zhuan)速(su)也(ye)不(bu)一(yi)樣(yang)。在(zai)化(hua)工(gong)生(sheng)產(chan)中(zhong)電(dian)動(dong)機(ji)是(shi)常(chang)用(yong)的(di)機(ji)械(xie)設(she)備(bei),那(nuo)麽(ma)在(zai)離(li)心(xin)泵(beng)運(yun)轉(zhuan)時(shi)電(dian)機(ji)出(chu)現(xian)抖(dou)動(dong)該(gai)怎(zen)麽(ma)辦(ban),出(chu)現(xian)抖(dou)動(dong)原(yuan)因(yin)有(you)哪(nei)些(xie)呢(ni)?
一(yi)、抖(dou)動(dong)原(yuan)因(yin)
1. 機(ji)械(xie)方(fang)麵(mian):電(dian)機(ji)本(ben)身(shen)方(fang)麵(mian):轉(zhuan)子(zi)不(bu)平(ping)衡(heng)、轉(zhuan)軸(zhou)彎(wan)曲(qu)、滑(hua)環(huan)變(bian)形(xing),定(ding)轉(zhuan)子(zi)氣(qi)隙(xi)不(bu)均(jun)、磁(ci)力(li)中(zhong)心(xin)不(bu)一(yi)致(zhi)。軸(zhou)承(cheng)故(gu)障(zhang):基(ji)礎(chu)安(an)裝(zhuang)不(bu)良(liang)。機(ji)械(xie)強(jiang)度(duo)不(bu)夠(gou)。共(gong)振(zhen)、地(de)腳(jue)螺(luo)絲(si)鬆(song)動(dong)、電(dian)機(ji)風(feng)扇(shan)損(sun)壞(huai)。軸(zhou)承(cheng)運(yun)行(hang)接(jie)近(jin)使(shi)用(yong)壽(shou)命(ming)時(shi),電(dian)機(ji)抖(dou)動(dong)逐(zhu)漸(jian)增(zeng)大(dai),軸(zhou)承(cheng)運(yun)行(hang)有(you)雜(za)音(yin),可(ke)能(neng)發(fa)生(sheng)研(yan)軸(zhou)研(yan)蓋(ge)和(hu)出(chu)現(xian)掃(sao)堂(tang)的(di)現(xian)象(xiang)。
2、電(dian)磁(ci)方(fang)麵(mian):電(dian)源(yuan)方(fang)麵(mian):三(san)相(xiang)電(dian)壓(ya)(不(bu)平(ping)衡(heng),三(san)相(xiang)電(dian)動(dong)機(ji)缺(que)相(xiang)運(yun)行(hang))
定(ding)子(zi)方(fang)麵(mian):鐵(tie)芯(xin)變(bian)橢(tuo)圓(yuan)、偏(pian)心(xin)、鬆(song)動(dong),繞(rao)組(zu)斷(duan)線(xian)、接(jie)地(de)擊(ji)穿(chuan)、匝(za)間(jian)短(duan)路(lu),接(jie)線(xian)錯(cuo)誤(wu)三(san)相(xiang)電(dian)流(liu)不(bu)平(ping)衡(heng)。
轉(zhuan)子(zi)故(gu)障(zhang):鐵(tie)芯(xin)變(bian)橢(tuo)圓(yuan)、偏(pian)心(xin)、鬆(song)動(dong), 轉(zhuan)子(zi)短(duan)路(lu)環(huan)和(hu)籠(long)條(tiao)開(kai)焊(han)、斷(duan)裂(lie)。繞(rao)線(xian)式(shi)轉(zhuan)子(zi)三(san)相(xiang)繞(rao)級(ji)不(bu)平(ping)衡(heng),繞(rao)組(zu)斷(duan)線(xian)、接(jie)地(de)擊(ji)穿(chuan)、匝(za)間(jian)擊(ji)穿(chuan)、接(jie)線(xian)錯(cuo)誤(wu)、電(dian)刷(shua)接(jie)觸(chu)不(bu)良(liang)。
3. 機(ji)電(dian)混(hun)合(ge)原(yuan)因(yin):電(dian)機(ji)抖(dou)動(dong)往(wang)往(wang)是(shi)氣(qi)隙(xi)不(bu)均(jun),引(yin)起(qi)單(shan)邊(bian)電(dian)磁(ci)拉(la)力(li),拉(la)力(li)又(you)使(shi)氣(qi)隙(xi)進(jin)一(yi)步(bu)增(zeng)大(dai),機(ji)電(dian)混(hun)合(ge)作(zuo)用(yong)表(biao)現(xian)為(wei)機(ji)電(dian)抖(dou)動(dong)。電(dian)機(ji)軸(zhou)向(xiang)串(chuan)動(dong),轉(zhuan)子(zi)本(ben)身(shen)重(chong)力(li)或(huo)安(an)裝(zhuang)水(shui)平(ping)以(yi)及(ji)磁(ci)力(li)中(zhong)心(xin)不(bu)對(dui)引(yin)起(qi)的(di)電(dian)磁(ci)拉(la)力(li)造(zao)成(cheng)電(dian)機(ji)軸(zhou)向(xiang)串(chuan)動(dong),引(yin)起(qi)電(dian)機(ji)抖(dou)動(dong)加(jia)大(dai),嚴(yan)重(chong)情(qing)況(kuang)軸(zhou)瓦(wa)磨(mo)損(sun),使(shi)軸(zhou)瓦(wa)溫(wen)度(duo)迅(xun)速(su)升(sheng)高(gao)抖(dou)動(dong)原(yuan)因(yin)查(cha)找(zhao)。
離(li)心(xin)泵(beng)電(dian)機(ji)聯(lian)軸(zhou)器(qi)配(pei)合(ge)方(fang)麵(mian):聯(lian)軸(zhou)器(qi)損(sun)壞(huai)、連(lian)接(jie)不(bu)良(liang)、找(zhao)中(zhong)心(xin)不(bu)準(zhun)負(fu)載(zai)機(ji)械(xie)不(bu)平(ping)衡(heng)係(ji)統(tong)共(gong)振(zhen)。
二(er)、檢(jian)修(xiu)方(fang)法(fa)
1. 機(ji)械(xie)原(yuan)因(yin)檢(jian)修(xiu):檢(jian)查(cha)氣(qi)隙(xi)是(shi)否(pi)均(jun)勻(yun),如(ru)果(guo)測(ce)量(liang)值(zhi)超(chao)標(biao),重(chong)新(xin)調(diao)整(zheng)氣(qi)隙(xi),檢(jian)查(cha)軸(zhou)承(cheng),測(ce)量(liang)間(jian)隙(xi)如(ru)不(bu)合(ge)格(ge)更(geng)換(huan)軸(zhou)承(cheng),檢(jian)查(cha)鐵(tie)芯(xin)變(bian)形(xing)和(hu)鬆(song)動(dong)情(qing)況(kuang),鬆(song)動(dong)的(di)鐵(tie)芯(xin)可(ke)用(yong)環(huan)氧(yang)樹(shu)脂(zhi)膠(jiao)粘(nian)接(jie)灌(guan)實(shi),檢(jian)查(cha)轉(zhuan)軸(zhou),對(dui)彎(wan)曲(qu)的(di)轉(zhuan)軸(zhou)進(jin)行(hang)補(bu)焊(han)重(chong)新(xin)加(jia)工(gong)或(huo)直(zhi)接(jie)直(zhi)軸(zhou),然(ran)後(hou)對(dui)轉(zhuan)子(zi)做(zuo)平(ping)衡(heng)試(shi)驗(yan)。
2. 電(dian)氣(qi)原(yuan)因(yin)檢(jian)修(xiu):首(shou)先(xian)測(ce)定(ding)定(ding)子(zi)三(san)相(xiang)直(zhi)流(liu)電(dian)阻(zu)是(shi)否(pi)平(ping)衡(heng),若(ruo)不(bu)平(ping)衡(heng),則(ze)說(shui)明(ming)定(ding)子(zi)連(lian)線(xian)焊(han)接(jie)部(bu)位(wei)有(you)開(kai)焊(han)現(xian)象(xiang),斷(duan)開(kai)繞(rao)組(zu)分(fen)相(xiang)進(jin)行(hang)查(cha)找(zhao)另(ling)外(wai)繞(rao)組(zu)是(shi)否(pi)存(cun)在(zai)匝(za)間(jian)短(duan)路(lu)現(xian)象(xiang),如(ru)故(gu)障(zhang)明(ming)顯(xian)可(ke)以(yi)從(zong)絕(jue)緣(yuan)表(biao)麵(mian)看(kan)到(dao)燒(shao)焦(jiao)痕(hen)跡(ji),或(huo)用(yong)儀(yi)器(qi)測(ce)量(liang)定(ding)子(zi)繞(rao)組(zu),確(que)認(ren)匝(za)間(jian)短(duan)路(lu)後(hou),將(qiang)電(dian)繞(rao)組(zu)重(chong)新(xin)下(xia)線(xian)。
3. 負(fu)載(zai)機(ji)械(xie)檢(jian)查(cha)正(zheng)常(chang),電(dian)氣(qi)本(ben)身(shen)也(ye)沒(mo)有(you)問(wen)題(ti),引(yin)起(qi)故(gu)障(zhang)的(di),原(yuan)因(yin)是(shi)連(lian)接(jie)部(bu)分(fen)造(zao)成(cheng)的(di),這(zhe)時(shi)要(yao)檢(jian)查(cha)離(li)心(xin)泵(beng)電(dian)機(ji)的(di)基(ji)礎(chu)水(shui)平(ping)麵(mian)、傾(qing)斜(xie)度(duo)、強(jiang)度(duo)、中(zhong)心(xin)找(zhao)正(zheng)是(shi)否(pi)正(zheng)確(que),聯(lian)軸(zhou)器(qi)壞(huai),電(dian)機(ji)軸(zhou)相(xiang)饒(rao)度(duo)是(shi)否(pi)符(fu)合(ge)要(yao)求(qiu)。