電葫蘆(lu)(lu)(lu)在電力(li)生(sheng)產過(guo)程中使用非常廣泛(fan)，主要(yao)用于(yu)設(she)備的(de)(de)檢修、吊裝、運(yun)送材(cai)料等。在使用過(guo)程中，電葫蘆(lu)(lu)(lu)發生(sheng)故(gu)障次數也日漸增多(duo)，這不僅(jin)影響(xiang)了生(sheng)產的(de)(de)正常進(jin)行(xing)，嚴重時將引發重大事(shi)故(gu)，怎樣才能避(bi)免事(shi)故(gu)發生(sheng)，保(bao)證電葫蘆(lu)(lu)(lu)的(de)(de)安(an)全運(yun)行(xing)，及時準(zhun)確處(chu)理運(yun)行(xing)中出現(xian)的(de)(de)各種故(gu)障，已成為生(sheng)產中的(de)(de)重要(yao)一環。

下面結合維(wei)修經驗，對電葫蘆一些(xie)常見故障的原因進行具(ju)體(ti)分析。

1、按起動(dong)開關后電動(dong)電葫蘆不工作

主要是(shi)因電葫蘆沒(mei)接通額定工作(zuo)電壓，而(er)無(wu)法工作(zuo)，一般有3種情(qing)況：

（1）供電(dian)(dian)系統(tong)是否(fou)對(dui)電(dian)(dian)動電(dian)(dian)葫蘆電(dian)(dian)源送(song)(song)(song)電(dian)(dian)，一般(ban)用試電(dian)(dian)筆測試，如沒(mei)送(song)(song)(song)電(dian)(dian)，等送(song)(song)(song)電(dian)(dian)后(hou)再工作；

（2）電(dian)(dian)(dian)(dian)葫(hu)(hu)蘆主(zhu)、控回(hui)路的(de)電(dian)(dian)(dian)(dian)器(qi)(qi)損壞、線(xian)路斷(duan)開或接觸(chu)不良，也會使(shi)電(dian)(dian)(dian)(dian)葫(hu)(hu)蘆電(dian)(dian)(dian)(dian)機無法(fa)通電(dian)(dian)(dian)(dian)，出現這種情況(kuang)，需(xu)檢修主(zhu)、控回(hui)路，檢修時(shi)，為了防止主(zhu)、控回(hui)路送給三相電(dian)(dian)(dian)(dian)機的(de)電(dian)(dian)(dian)(dian)源缺(que)相而燒毀電(dian)(dian)(dian)(dian)機，或電(dian)(dian)(dian)(dian)葫(hu)(hu)蘆電(dian)(dian)(dian)(dian)機突然得電(dian)(dian)(dian)(dian)運轉，產生危害，一定要將(jiang)電(dian)(dian)(dian)(dian)葫(hu)(hu)蘆電(dian)(dian)(dian)(dian)機從電(dian)(dian)(dian)(dian)源線(xian)路上斷(duan)開，只(zhi)給主(zhu)、控回(hui)路送電(dian)(dian)(dian)(dian)，然后點動(dong)(dong)起動(dong)(dong)和(he)停(ting)止開關，檢查分析(xi)控制電(dian)(dian)(dian)(dian)器(qi)(qi)及線(xian)路的(de)工作情況(kuang)，對有問題的(de)電(dian)(dian)(dian)(dian)器(qi)(qi)或線(xian)路進行修復或更(geng)換，當(dang)確認主(zhu)、控回(hui)路無故(gu)障，方可重新試車；

（3）電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓比額定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓低10%以上，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)起動(dong)(dong)轉矩過(guo)小(xiao)，使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)起吊(diao)不(bu)動(dong)(dong)貨(huo)物，而無法(fa)工(gong)作，檢查時(shi)(shi)，用萬(wan)用表或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓表等測量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)輸入端電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓，確因(yin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓過(guo)低，使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)無法(fa)起動(dong)(dong)時(shi)(shi)，需(xu)等系統(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓恢(hui)復正(zheng)常(chang)后(hou)再(zai)使(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)。有時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓正(zheng)常(chang)，而電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)就是不(bu)工(gong)作，這(zhe)需(xu)考(kao)慮(lv)其(qi)他(ta)原因(yin)，例如：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)被(bei)燒毀(hui)，檢修時(shi)(shi)需(xu)更換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)長(chang)期不(bu)用，保養不(bu)善(shan)等原因(yin)使(shi)制動(dong)(dong)輪(lun)與(yu)端蓋銹(xiu)死，起動(dong)(dong)時(shi)(shi)制動(dong)(dong)輪(lun)脫不(bu)開，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)只發出“哼(heng)”的響(xiang)聲(sheng)(sheng)，轉動(dong)(dong)不(bu)起來，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)不(bu)能工(gong)作。這(zhe)時(shi)(shi)，應(ying)卸下(xia)制動(dong)(dong)輪(lun)，清洗銹(xiu)蝕表面，然后(hou)重新試車(che)；電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)嚴重掃膛，也會(hui)使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)不(bu)轉動(dong)(dong)，發現這(zhe)種情況，應(ying)停止使(shi)用，必須進行大修或更換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，以保證電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)正(zheng)常(chang)工(gong)作。另外，生產(chan)中(zhong)嚴禁超載使(shi)用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)，當貨(huo)物過(guo)度超載，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)吊(diao)不(bu)動(dong)(dong)貨(huo)物，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)僅(jin)發出“哼(heng)”的響(xiang)聲(sheng)(sheng)，而不(bu)運轉，嚴重時(shi)(shi)會(hui)燒毀(hui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，甚至(zhi)引(yin)發事故，這(zhe)時(shi)(shi)應(ying)立即停機(ji)(ji)，減輕貨(huo)物，使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)葫(hu)(hu)蘆(lu)(lu)(lu)在額定功率下(xia)工(gong)作。

2、電葫蘆(lu)運行時出現異常(chang)響聲

電(dian)(dian)動(dong)電(dian)(dian)葫(hu)蘆的很多故(gu)(gu)障，例(li)如(ru)控(kong)制電(dian)(dian)器、電(dian)(dian)機或(huo)減速(su)器等出現的故(gu)(gu)障，往往伴隨著異常(chang)噪聲，這些噪聲的位(wei)置及(ji)高低和(he)音別隨故(gu)(gu)障原因不同(tong)而有區(qu)別，檢修(xiu)時，要多聽多看，可(ke)以利用或(huo)根據故(gu)(gu)障響(xiang)聲特點，確(que)定發出響(xiang)聲位(wei)置，尋找和(he)檢修(xiu)故(gu)(gu)障。

（1）異常噪(zao)聲發生在控制回(hui)路上，發出“哼”的噪(zao)聲，一般是接(jie)(jie)(jie)觸(chu)(chu)器(qi)出現(xian)了(le)故(gu)障（如交流接(jie)(jie)(jie)觸(chu)(chu)器(qi)觸(chu)(chu)頭(tou)接(jie)(jie)(jie)觸(chu)(chu)不良、電壓等級不符、磁芯被卡等等），應對故(gu)障接(jie)(jie)(jie)觸(chu)(chu)器(qi)進(jin)行檢修，無法(fa)檢修時必須(xu)更換(huan)，處(chu)理后，噪(zao)聲自行消(xiao)除。

（2）電(dian)(dian)機(ji)(ji)發(fa)(fa)出(chu)異常噪聲(sheng)(sheng)，應立即停機(ji)(ji)，檢查電(dian)(dian)機(ji)(ji)是否單相(xiang)運(yun)轉(zhuan)(zhuan)，或(huo)軸(zhou)(zhou)(zhou)承(cheng)損(sun)壞、聯(lian)軸(zhou)(zhou)(zhou)器軸(zhou)(zhou)(zhou)心(xin)不(bu)(bu)(bu)正及“掃(sao)(sao)膛”等故障，這(zhe)些都會使電(dian)(dian)機(ji)(ji)有異常響聲(sheng)(sheng)，不(bu)(bu)(bu)同(tong)故障的(de)(de)響聲(sheng)(sheng)位置(zhi)及高低和音別不(bu)(bu)(bu)同(tong)，單相(xiang)運(yun)轉(zhuan)(zhuan)時(shi)(shi)(shi)，整個(ge)電(dian)(dian)機(ji)(ji)發(fa)(fa)出(chu)有規律(lv)忽(hu)強忽(hu)弱的(de)(de)“嗡嗡”聲(sheng)(sheng)；而(er)(er)軸(zhou)(zhou)(zhou)承(cheng)損(sun)壞時(shi)(shi)(shi)，會在軸(zhou)(zhou)(zhou)承(cheng)附近(jin)，發(fa)(fa)出(chu)伴(ban)隨著“咯(ge)噔(deng)-咯(ge)噔(deng)”的(de)(de)“嗡嗡”聲(sheng)(sheng)；而(er)(er)聯(lian)軸(zhou)(zhou)(zhou)器軸(zhou)(zhou)(zhou)心(xin)不(bu)(bu)(bu)正時(shi)(shi)(shi)，或(huo)電(dian)(dian)機(ji)(ji)輕微(wei)掃(sao)(sao)膛，整個(ge)電(dian)(dian)機(ji)(ji)發(fa)(fa)出(chu)極(ji)高的(de)(de)“嗡嗡”聲(sheng)(sheng)，并不(bu)(bu)(bu)時(shi)(shi)(shi)伴(ban)隨著尖銳刺耳(er)的(de)(de)聲(sheng)(sheng)音。總之，應根據噪聲(sheng)(sheng)的(de)(de)不(bu)(bu)(bu)同(tong)，找(zhao)出(chu)故障，進行逐項檢修，恢復電(dian)(dian)機(ji)(ji)正常性(xing)能(neng)，當電(dian)(dian)機(ji)(ji)故障未(wei)處(chu)理時(shi)(shi)(shi)，禁止使用電(dian)(dian)葫蘆。

（3）異常噪聲從減(jian)(jian)速(su)(su)器發出，減(jian)(jian)速(su)(su)器出現故障(zhang)（如減(jian)(jian)速(su)(su)箱(xiang)或(huo)(huo)軸(zhou)(zhou)(zhou)承(cheng)缺潤(run)滑油(you)、齒(chi)輪(lun)磨(mo)損(sun)或(huo)(huo)損(sun)壞(huai)、軸(zhou)(zhou)(zhou)承(cheng)損(sun)壞(huai)等等），這時應停(ting)機檢查，首先確定減(jian)(jian)速(su)(su)器的減(jian)(jian)速(su)(su)箱(xiang)或(huo)(huo)軸(zhou)(zhou)(zhou)承(cheng)在使用前是否(fou)加了潤(run)滑油(you)，使用中是否(fou)定期更換潤(run)滑油(you)，如沒有按(an)要(yao)求潤(run)滑，減(jian)(jian)速(su)(su)器不僅會產生過高的“嗡嗡”聲，還(huan)會過度(du)磨(mo)損(sun)或(huo)(huo)損(sun)壞(huai)齒(chi)輪(lun)及軸(zhou)(zhou)(zhou)承(cheng)。為(wei)了防止故障(zhang)擴大，無論(lun)減(jian)(jian)速(su)(su)器齒(chi)輪(lun)過度(du)磨(mo)損(sun)或(huo)(huo)損(sun)壞(huai)，還(huan)是減(jian)(jian)速(su)(su)器軸(zhou)(zhou)(zhou)承(cheng)損(sun)壞(huai)，都需要(yao)立即拆卸檢修或(huo)(huo)更換，消除故障(zhang)，降低噪聲。

3、制動(dong)時(shi)停機下滑距(ju)離超過規定要求(qiu)

電葫(hu)蘆長期(qi)停用時(shi)，有(you)(you)(you)人誤(wu)調(diao)整(zheng)(zheng)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)調(diao)整(zheng)(zheng)螺母，或(huo)(huo)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環磨(mo)損(sun)過(guo)大，使(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)彈(dan)(dan)簧(huang)壓力減(jian)小，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力降低，當停機(ji)(ji)時(shi)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)不(bu)可靠(kao)，下滑距(ju)離超過(guo)規定(ding)要(yao)求(qiu)，這(zhe)種情(qing)(qing)況只要(yao)按電葫(hu)蘆說明(ming)書要(yao)求(qiu)，重(zhong)(zhong)新調(diao)整(zheng)(zheng)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)螺母即可。但(dan)工作(zuo)中(zhong)應注意(yi)，起升(sheng)重(zhong)(zhong)物(wu)時(shi)，禁(jin)止(zhi)調(diao)整(zheng)(zheng)、檢(jian)查(cha)和維修制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)器。有(you)(you)(you)時(shi)，調(diao)整(zheng)(zheng)了(le)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)螺母，停機(ji)(ji)下滑距(ju)離仍超過(guo)規定(ding)要(yao)求(qiu)，碰(peng)到此類(lei)情(qing)(qing)況，就要(yao)考慮其他原因，首先先拆開制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環，檢(jian)查(cha)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)面(mian)上是否粘有(you)(you)(you)油(you)污(wu)，如粘有(you)(you)(you)油(you)污(wu)，摩擦系(xi)數降低，會使(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)時(shi)打滑，下滑距(ju)離超過(guo)規定(ding)要(yao)求(qiu)，僅調(diao)整(zheng)(zheng)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)螺母用處不(bu)大，這(zhe)時(shi)只有(you)(you)(you)徹(che)底(di)清洗制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)面(mian)（清洗易用輕質(zhi)汽油(you)），恢(hui)復制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)面(mian)摩擦系(xi)數；其次(ci)，如制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環松(song)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)或(huo)(huo)損(sun)壞，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環無法保證有(you)(you)(you)效制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)，只有(you)(you)(you)更(geng)(geng)(geng)換制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環；有(you)(you)(you)時(shi)發現(xian)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環未損(sun)壞，僅制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環與后(hou)端蓋錐面(mian)接觸(chu)(chu)不(bu)良(liang)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)時(shi)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)面(mian)接觸(chu)(chu)過(guo)少，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力過(guo)小，使(shi)下滑距(ju)離超過(guo)規定(ding)要(yao)求(qiu)，檢(jian)修時(shi)，為了(le)增(zeng)(zeng)大制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力，應查(cha)找出接觸(chu)(chu)不(bu)良(liang)的(de)位置(zhi)，進行修磨(mo)，增(zeng)(zeng)大制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)時(shi)的(de)接觸(chu)(chu)面(mian)，無法修磨(mo)時(shi)，需(xu)更(geng)(geng)(geng)換配件；電葫(hu)蘆電機(ji)(ji)聯軸(zhou)(zhou)器竄動(dong)(dong)(dong)(dong)(dong)(dong)(dong)不(bu)靈或(huo)(huo)卡死，停機(ji)(ji)后(hou)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)環與后(hou)端蓋錐面(mian)接觸(chu)(chu)不(bu)良(liang)或(huo)(huo)無法接觸(chu)(chu)，使(shi)電葫(hu)蘆制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)效果時(shi)好時(shi)壞，這(zhe)類(lei)情(qing)(qing)況，應對聯軸(zhou)(zhou)器進行檢(jian)修或(huo)(huo)更(geng)(geng)(geng)換。另(ling)外，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)器壓力彈(dan)(dan)簧(huang)長期(qi)使(shi)用產生疲勞(lao)，使(shi)彈(dan)(dan)簧(huang)力變小，停機(ji)(ji)時(shi)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)不(bu)牢固(gu)，則應更(geng)(geng)(geng)換彈(dan)(dan)簧(huang)，重(zhong)(zhong)新調(diao)整(zheng)(zheng)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力。

4、電(dian)(dian)(dian)(dian)(dian)動機(ji)溫升過(guo)高首先應(ying)(ying)檢查(cha)(cha)電(dian)(dian)(dian)(dian)(dian)葫蘆(lu)是否(fou)超(chao)載(zai)(zai)使(shi)(shi)用，超(chao)載(zai)(zai)導致電(dian)(dian)(dian)(dian)(dian)機(ji)發(fa)熱(re)(re)，長期超(chao)載(zai)(zai)將燒毀電(dian)(dian)(dian)(dian)(dian)機(ji)；電(dian)(dian)(dian)(dian)(dian)機(ji)未超(chao)載(zai)(zai)，仍發(fa)熱(re)(re)，應(ying)(ying)檢查(cha)(cha)電(dian)(dian)(dian)(dian)(dian)機(ji)軸承是否(fou)損壞(huai)；還應(ying)(ying)檢查(cha)(cha)電(dian)(dian)(dian)(dian)(dian)機(ji)是否(fou)按規定(ding)工(gong)作(zuo)(zuo)(zuo)制(zhi)工(gong)作(zuo)(zuo)(zuo)，這也是引起電(dian)(dian)(dian)(dian)(dian)機(ji)發(fa)熱(re)(re)的原因之(zhi)一，使(shi)(shi)用時(shi)(shi)應(ying)(ying)嚴格按電(dian)(dian)(dian)(dian)(dian)機(ji)工(gong)作(zuo)(zuo)(zuo)制(zhi)工(gong)作(zuo)(zuo)(zuo)。電(dian)(dian)(dian)(dian)(dian)機(ji)運轉時(shi)(shi)，制(zhi)動器間隙太小，未完全脫開(kai)，產生(sheng)很大摩擦(ca)力，摩擦(ca)發(fa)熱(re)(re)的同(tong)時(shi)(shi)也相當于增加了附加載(zai)(zai)荷，使(shi)(shi)電(dian)(dian)(dian)(dian)(dian)機(ji)轉速降低，電(dian)(dian)(dian)(dian)(dian)流變大而發(fa)熱(re)(re)，此時(shi)(shi)應(ying)(ying)停(ting)止(zhi)工(gong)作(zuo)(zuo)(zuo)，重新調整制(zhi)動間隙。

5、重物升至半(ban)空，停(ting)車后(hou)不能再起動分(fen)析其原因，首先檢查系統電壓是(shi)否(fou)過低或波(bo)動是(shi)否(fou)過大，如是(shi)這種情況，只有等電壓恢(hui)復(fu)正常后(hou)再起動；另一方(fang)面，要注(zhu)意三相電機運轉中缺(que)相，停(ting)機后(hou)無法起動，此時需要檢查電源相數。

6、不能停車(che)或到(dao)極限位置仍不停車(che)

　　這類情(qing)況一般是(shi)接(jie)(jie)觸(chu)器(qi)(qi)的觸(chu)頭(tou)熔焊(han)，當按(an)下停(ting)(ting)(ting)止開關時，接(jie)(jie)觸(chu)器(qi)(qi)的觸(chu)頭(tou)不能斷開，電(dian)機照常得(de)電(dian)運轉，電(dian)葫蘆不停(ting)(ting)(ting)車；到極(ji)限位(wei)置如限位(wei)器(qi)(qi)失(shi)靈，電(dian)葫蘆不停(ting)(ting)(ting)車。出現(xian)這種情(qing)況，立(li)即切斷電(dian)源，使電(dian)葫蘆強行停(ting)(ting)(ting)車。停(ting)(ting)(ting)車后，檢修(xiu)接(jie)(jie)觸(chu)器(qi)(qi)或限位(wei)器(qi)(qi)，嚴重損壞無法修(xiu)復的，必須(xu)更(geng)換。

7、減(jian)速器(qi)漏油減(jian)速器(qi)漏油原因是：

　　（1）減(jian)速器箱(xiang)體與(yu)箱(xiang)蓋之間，密(mi)封(feng)圈裝配不良或失效損壞，應(ying)拆下檢(jian)修(xiu)或更(geng)換密(mi)封(feng)圈；

　　（2）減速器(qi)連結螺(luo)(luo)釘未擰緊，在停機后，應擰緊螺(luo)(luo)釘。

　　（3）電動機掃(sao)膛

產生(sheng)掃膛(tang)(tang)(tang)的原因是：電(dian)(dian)機(ji)軸上支承圈磨損嚴重、轉(zhuan)子(zi)(zi)鐵心位(wei)移(yi)，或因其他原因使(shi)定(ding)(ding)子(zi)(zi)鐵心位(wei)移(yi)，造成電(dian)(dian)機(ji)錐形(xing)轉(zhuan)子(zi)(zi)與定(ding)(ding)子(zi)(zi)間隙太小發生(sheng)掃膛(tang)(tang)(tang)。電(dian)(dian)機(ji)嚴禁“掃膛(tang)(tang)(tang)”，當發生(sheng)掃膛(tang)(tang)(tang)后，應拆下支承圈進(jin)行更換，調整定(ding)(ding)子(zi)(zi)轉(zhuan)子(zi)(zi)錐面之間的間隙使(shi)之均勻，或送到維修廠進(jin)行修理。通過對電(dian)(dian)動(dong)電(dian)(dian)葫(hu)蘆常(chang)見故(gu)(gu)障(zhang)及處理的分析(xi)，使(shi)電(dian)(dian)葫(hu)蘆檢(jian)修人員處理故(gu)(gu)障(zhang)時(shi)，知(zhi)道從何處著手檢(jian)查(cha)，提高了(le)檢(jian)修效率(lv)，此(ci)外(wai)，也為操作人員提供了(le)現(xian)場處理問題的方法。