在使(shi)用直流电(dian)(dian)机(ji)的(de)(de)(de)时候，应(ying)该定时的(de)(de)(de)对其进行(xing)检查(cha)(cha)，如果(guo)(guo)发(fa)现(xian)故障就要对其及(ji)时处理，其中设备(bei)的(de)(de)(de)润滑油(you)对设备(bei)来讲就相当于人的(de)(de)(de)血液，直接(jie)影响到整个设备(bei)的(de)(de)(de)正(zheng)常(chang)运(yun)行(xing)，那(nei)么对于它(ta)的(de)(de)(de)油(you)位监(jian)测(ce)就十(shi)分(fen)有必(bi)要了，今(jin)天就这(zhei)个方面(mian)我们一(yi)起了解一(yi)下：一(yi)、直流电(dian)(dian)机(ji)油(you)位监(jian)测(ce)1、打(da)开(kai)放油(you)螺(luo)塞，取油(you)样。2、检查(cha)(cha)油(you)的(de)(de)(de)粘度指数。3、移去直流电(dian)(dian)机(ji)油(you)位螺(luo)塞检查(cha)(cha)油(you)是(shi)否充满。4、如果(guo)(guo)油(you)明显浑浊，建议尽(jin)快更换。5、切断(duan)电(dian)(dian)源，防止触电(dian)(dian)，等(deng)待减速机(ji)冷却。6、设...
伴随(sui)着高(gao)性(xing)能(neng)永磁材料、微电(dian)子(zi)技(ji)(ji)术(shu)(shu)、自动(dong)(dong)控制技(ji)(ji)术(shu)(shu)和(he)电(dian)力电(dian)子(zi)技(ji)(ji)术(shu)(shu)的进步，永磁无(wu)(wu)刷(shua)直(zhi)(zhi)流(liu)电(dian)机得到了迅(xun)速(su)发(fa)展(zhan)。由于克(ke)服了机械换(huan)向(xiang)装置(zhi)(zhi)的固有(you)缺(que)点(dian)，无(wu)(wu)刷(shua)直(zhi)(zhi)流(liu)电(dian)机具有(you)寿命长、调速(su)性(xing)能(neng)优(you)(you)越，体积小、重量(liang)(liang)轻、效(xiao)率(lv)高(gao)、转(zhuan)动(dong)(dong)惯量(liang)(liang)小、电(dian)磁兼容性(xing)好(hao)等诸多优(you)(you)点(dian)。无(wu)(wu)刷(shua)直(zhi)(zhi)流(liu)电(dian)机的应用和(he)研究受(shou)到了广泛(fan)的重视，凭其技(ji)(ji)术(shu)(shu)优(you)(you)势(shi)在许多场合取代了其它种类(lei)的电(dian)动(dong)(dong)机。特别是在微特电(dian)机领域，在小功率(lv)、高(gao)转(zhuan)速(su)的调速(su)领域，无(wu)(wu)刷(shua)直(zhi)(zhi)流(liu)电(dian)机占据(ju)着主(zhu)要(yao)位(wei)置(zhi)(zhi)。接...
一(yi)、直(zhi)流电(dian)(dian)(dian)动(dong)机(ji)使(shi)用(yong)前的(de)(de)(de)检查(cha)1、用(yong)压(ya)缩空气或(huo)手动(dong)吹风机(ji)吹净电(dian)(dian)(dian)动(dong)机(ji)内部灰尘、电(dian)(dian)(dian)刷(shua)(shua)粉末等(deng)，清(qing)除污垢杂物。2、拆除与(yu)电(dian)(dian)(dian)动(dong)机(ji)连(lian)接的(de)(de)(de)一(yi)切接线，用(yong)绝(jue)缘电(dian)(dian)(dian)阻表测量(liang)绕组对机(ji)座(zuo)的(de)(de)(de)绝(jue)缘电(dian)(dian)(dian)阻。若小于0．5MΩ时，应进(jin)行烘干处理，测量(liang)合格后再将拆除的(de)(de)(de)接线恢复。3、检查(cha)换向器的(de)(de)(de)表面是(shi)(shi)否光(guang)洁，如(ru)发(fa)现有机(ji)械损伤或(huo)火花灼痕应进(jin)行必要(yao)的(de)(de)(de)处理。4、检查(cha)电(dian)(dian)(dian)刷(shua)(shua)是(shi)(shi)否严重损坏(huai)，刷(shua)(shua)架的(de)(de)(de)压(ya)力是(shi)(shi)否适当，刷(shua)(shua)架的(de)(de)(de)位(wei)置(zhi)(zhi)是(shi)(shi)否位(wei)于标记(ji)的(de)(de)(de)位(wei)置(zhi)(zhi)。5、根据(ju)电(dian)(dian)(dian)动(dong)机(ji)铭牌检查(cha)直(zhi)...
大型(xing)电(dian)机维修是大型(xing)电(dian)机使(shi)用(yong)中(zhong)(zhong)必不(bu)可少的(de)组(zu)(zu)成部(bu)(bu)分。而大型(xing)电(dian)机运行一(yi)(yi)定(ding)时间(jian)后，应进(jin)行定(ding)期检查，主要是测量一(yi)(yi)些(xie)技(ji)术参数(shu)，排除(chu)在(zai)运行维护中(zhong)(zhong)已发现(xian)的(de)小故障，检查和记(ji)录(lu)一(yi)(yi)些(xie)可以延期解决的(de)故障，清(qing)理(li)和擦净灰尘(chen)、油(you)污，更换易(yi)损(sun)件(jian)(jian)等。1、对(dui)电(dian)机外部(bu)(bu)和内部(bu)(bu)进(jin)行一(yi)(yi)次清(qing)扫，并对(dui)电(dian)机外壳(qiao)、端盖和其他结构部(bu)(bu)件(jian)(jian)等进(jin)行一(yi)(yi)次外观(guan)检查，检查其有无损(sun)伤(shang)和锈蚀现(xian)象。2、检查绕(rao)组(zu)(zu)表(biao)面有无变色、损(sun)伤(shang)、裂纹和剥离现(xian)象，定(ding)子(zi)绕(rao)组(zu)(zu)固定(ding)是否可靠(kao)，补偿(chang)...
我们都知(zhi)道(dao)在(zai)直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)的(de)(de)使用过(guo)程(cheng)中(zhong)，必须要保持直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)的(de)(de)清(qing)洁和(he)卫生，尽量(liang)减少灰(hui)尘(chen)、油污(wu)、杂物(wu)等物(wu)质进(jin)入(ru)直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)，如若(ruo)我们不重视(shi)这些细节(jie)，也(ye)许(xu)在(zai)工作过(guo)程(cheng)中(zhong)，直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)就会(hui)耍(shua)些小(xiao)性子了，接下来就让我为大(da)家介(jie)绍下直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)常见(jian)故(gu)(gu)障及(ji)维(wei)修(xiu)。 直(zhi)流(liu)(liu)电(dian)(dian)(dian)机(ji)常见(jian)故(gu)(gu)障与维(wei)修(xiu) 1、不能起动 产生原因：①电(dian)(dian)(dian)源无电(dian)(dian)(dian)压(ya)，②励磁回(hui)路断卉，③电(dian)(dian)(dian)刷(shua)回(hui)路断开(kai); 维(wei)修(xiu)办(ban)法：①检(jian)查(cha)电(dian)(dian)(dian)源及(ji)熔(rong)断器(qi)，②检(jian)查(cha)励磁绕组及(ji)起动器(qi)，③检(jian)查(cha)电(dian)(dian)(dian)枢绕...
在直流电(dian)机(ji)维修(xiu)的(de)时(shi)候(hou)需要通过(guo)下面(mian)的(de)方(fang)法检查(cha)电(dian)机(ji)相(xiang)(xiang)间短(duan)路(lu)的(de)故(gu)(gu)障。1、用万用表(biao)(biao)(biao)或(huo)(huo)兆欧表(biao)(biao)(biao)检查(cha)拆(chai)开(kai)三相(xiang)(xiang)绕(rao)组(zu)的(de)连(lian)接(jie)，将(jiang)万用表(biao)(biao)(biao)或(huo)(huo)兆欧表(biao)(biao)(biao)两根试棒分别(bie)接(jie)在两相(xiang)(xiang)绕(rao)组(zu)的(de)首端(duan)(末端(duan))，同样(yang)可(ke)以测出(chu)相(xiang)(xiang)间短(duan)路(lu)故(gu)(gu)障。2、观(guan)察法拆(chai)开(kai)电(dian)机(ji)，重点检查(cha)绕(rao)组(zu)有(you)没(mei)有(you)烧(shao)焦、胃(wei)烟的(de)痕迹。因为发生(sheng)相(xiang)(xiang)间短(duan)路(lu)时(shi)，往往会产生(sheng)火花烧(shao)坏(huai)绝(jue)缘，甚至将(jiang)导线烧(shao)断(duan)。有(you)这些痕迹的(de)地方(fang)肯定就是(shi)短(duan)路(lu)故(gu)(gu)障点。3、灯泡法直流电(dian)机(ji)维修(xiu)拆(chai)开(kai)三相(xiang)(xiang)绕(rao)组(zu)的(de)连(lian)接(jie)，将(jiang)低压电(dian)源串上灯泡。用两...
直流电(dian)(dian)(dian)机(ji)(ji)(ji)维修(xiu)原(yuan)则上(shang)既可以(yi)作(zuo)(zuo)为(wei)电(dian)(dian)(dian)动(dong)机(ji)(ji)(ji)运行,也可以(yi)作(zuo)(zuo)为(wei)发(fa)电(dian)(dian)(dian)机(ji)(ji)(ji)运行,这种(zhong)原(yuan)理在(zai)电(dian)(dian)(dian)机(ji)(ji)(ji)理论(lun)中称为(wei)可逆原(yuan)理。作(zuo)(zuo)为(wei)发(fa)电(dian)(dian)(dian)机(ji)(ji)(ji)运行时(shi)，当(dang)原(yuan)动(dong)机(ji)(ji)(ji)驱(qu)动(dong)电(dian)(dian)(dian)枢(shu)(shu)绕(rao)(rao)组在(zai)主磁极N、S之(zhi)间(jian)旋转(zhuan)时(shi)，电(dian)(dian)(dian)枢(shu)(shu)绕(rao)(rao)组上(shang)感生出电(dian)(dian)(dian)动(dong)势，经电(dian)(dian)(dian)刷、换向(xiang)器(qi)装(zhuang)置整流为(wei)直流后，引(yin)向(xiang)外(wai)部负(fu)载（或电(dian)(dian)(dian)网），对外(wai)供电(dian)(dian)(dian)。而如果用(yong)外(wai)部直流电(dian)(dian)(dian)源，经电(dian)(dian)(dian)刷换向(xiang)器(qi)装(zhuang)置将直流电(dian)(dian)(dian)流引(yin)向(xiang)电(dian)(dian)(dian)枢(shu)(shu)绕(rao)(rao)组，则此(ci)电(dian)(dian)(dian)流与(yu)主磁极N.S.产生的磁场互(hu)相作(zuo)(zuo)用(yong)，产生转(zhuan)矩(ju)，驱(qu)动(dong)转(zhuan)子(zi)与(yu)连接于其上(shang)的机(ji)(ji)(ji)械负(fu)载工作(zuo)(zuo)，此(ci)...
电(dian)(dian)机(ji)在拆(chai)(chai)卸前应做(zuo)的检(jian)查(cha)(cha)和试验有以下几(ji)点：1、为(wei)了(le)进一(yi)(yi)步了(le)解电(dian)(dian)机(ji)运(yun)行(xing)中(zhong)的缺陷，有条件时(shi)可在拆(chai)(chai)卸前做(zuo)一(yi)(yi)次(ci)检(jian)查(cha)(cha)试验。为(wei)此，将电(dian)(dian)机(ji)带上(shang)(shang)负载试转，详细检(jian)查(cha)(cha)电(dian)(dian)机(ji)各部分(fen)温度、声音、振动等情况，并测试电(dian)(dian)压、电(dian)(dian)流(liu)、转速(su)等，然后再断(duan)开负载，单独做(zuo)一(yi)(yi)次(ci)空(kong)(kong)载检(jian)查(cha)(cha)试验，测出空(kong)(kong)载电(dian)(dian)流(liu)和空(kong)(kong)载损耗，做(zuo)好记(ji)录(lu)。2、切(qie)断(duan)电(dian)(dian)源(yuan)，拆(chai)(chai)除电(dian)(dian)机(ji)外部接线，做(zuo)好记(ji)录(lu)。3、选用合适电(dian)(dian)压的兆欧表测试电(dian)(dian)机(ji)绝缘电(dian)(dian)阻。为(wei)了(le)跟上(shang)(shang)次(ci)检(jian)修时(shi)所测的绝缘电(dian)(dian)阻值相比较以判...
电机保(bao)(bao)护(hu)(hu)器是一(yi)种新型电子式多功(gong)能(neng)电动(dong)机综合保(bao)(bao)护(hu)(hu)装置。它集过（轻）载(zai)保(bao)(bao)护(hu)(hu)、缺相(xiang)、过（欠(qian)）压(ya)、堵转、漏电、接地及三(san)(san)相(xiang)不平衡保(bao)(bao)护(hu)(hu)等低(di)压(ya)保(bao)(bao)护(hu)(hu) 于(yu)一(yi)身，具有设定精度高、节电、动(dong)作(zuo)(zuo)灵敏、工(gong)作(zuo)(zuo)可靠等优点，是传统热继电器的理想替(ti)代产品。下面子昂电机维修来给大家讲解(jie)直流电机保(bao)(bao)护(hu)(hu)器有哪(na)些。1、电子型：检测三(san)(san)相(xiang)电流值，整定电流值采(cai)(cai)(cai)用(yong)(yong)电位器或拔码开(kai)关，电路一(yi)般采(cai)(cai)(cai)用(yong)(yong)模拟式，采(cai)(cai)(cai)用(yong)(yong)反时(shi)(shi)限或定时(shi)(shi)限工(gong)作(zuo)(zuo)特性。保(bao)(bao)护(hu)(hu)功(gong)能(neng)包括过载(zai)、缺相(xiang)、...
变(bian)频(pin)(pin)电(dian)(dian)机(ji)(ji)的(de)维修方法(fa)与普通(tong)电(dian)(dian)机(ji)(ji)基本是(shi)(shi)一样(yang)的(de)，但是(shi)(shi)由于变(bian)频(pin)(pin)电(dian)(dian)源的(de)特殊性，变(bian)频(pin)(pin)电(dian)(dian)机(ji)(ji)的(de)绕(rao)组绝(jue)缘(yuan)比普通(tong)电(dian)(dian)机(ji)(ji)要求严(yan)格，应(ying)该采(cai)取以下改(gai)善(shan)绝(jue)缘(yuan)状况的(de)措(cuo)施： 一、选用(yong)耐(nai)(nai)电(dian)(dian)晕(yun)(yun)性能好的(de)电(dian)(dian)磁(ci)线(xian)，以满足(zu)电(dian)(dian)机(ji)(ji)耐(nai)(nai)高频(pin)(pin)脉冲和(he)局部放电(dian)(dian)的(de)要求。一般使(shi)用(yong)聚(ju)酯亚胺(an)/聚(ju)酰(xian)胺(an)酰(xian)亚胺(an)复合(he)层(ceng)漆包(bao)线(xian)，耐(nai)(nai)电(dian)(dian)晕(yun)(yun)、抗电(dian)(dian)晕(yun)(yun)电(dian)(dian)磁(ci)线(xian)。 二、绕(rao)线(xian)、嵌(qian)线(xian)施工(gong)工(gong)艺(yi)。 变(bian)频(pin)(pin)电(dian)(dian)机(ji)(ji)在(zai)(zai)绕(rao)线(xian)、嵌(qian)线(xian)、绑(bang)扎等加工(gong)工(gong)艺(yi)必须严(yan)加管理(li)，特别是(shi)(shi)在(zai)(zai)绕(rao)线(xian)、嵌(qian)线(xian)过程中(zhong)防止损伤导线(xian)，嵌(qian)...
一、直(zhi)(zhi)流(liu)电(dian)(dian)机(ji)维修安(an)全(quan)操纵规(gui)程(cheng)：1、焊接(jie)(jie)电(dian)(dian)器(qi)设(she)备和(he)接(jie)(jie)线头,要防止(zhi)触电(dian)(dian)和(he)灼(zhuo)伤人。2、调(diao)试(shi)用的插头、开(kai)关、电(dian)(dian)线应保持尽缘良好(hao)。如有破损和(he)裸露部分,应及时更(geng)换。不(bu)准带负荷用闸刀开(kai)关送(song)电(dian)(dian)或停电(dian)(dian)。3、线圈(quan)进炉干燥(zao)时,一定要把线圈(quan)放(fang)在铁架(jia)上,不(bu)得直(zhi)(zhi)接(jie)(jie)放(fang)在电(dian)(dian)炉上面。4、电(dian)(dian)机(ji)、电(dian)(dian)器(qi)检验完工后,要检查是否(fou)有错(cuo)误或不(bu)当的地(di)方,在试(shi)车(che)时必(bi)(bi)须留意四周是否(fou)有人。5、直(zhi)(zhi)流(liu)电(dian)(dian)机(ji)维修在检验工作中,如中途离往(wang),回(hui)来再继续(xu)工作时,必(bi)(bi)须先(xian)检查工件和(he)设(she)...
在(zai)直流电(dian)机(ji)修理的(de)时候需(xu)要通过下面的(de)方法(fa)检(jian)测(ce)维(wei)修直流电(dian)机(ji)绕(rao)组(zu)短(duan)路(lu)的(de)故(gu)(gu)障。一、局部(bu)修理因(yin)为绕(rao)组(zu)的(de)端部(bu)暴露在(zai)定子铁芯外面，受到机(ji)械碰撞的(de)机(ji)会(hui)相(xiang)对多一些。因(yin)此(ci)，单层绕(rao)组(zu)若发生相(xiang)间短(duan)路(lu)故(gu)(gu)障.肯定是端部(bu)相(xiang)间绝(jue)缘(yuan)损坏(huai)。这时，把(ba)有故(gu)(gu)障的(de)线(xian)(xian)圈加热软化，趁热撬动线(xian)(xian)圈，将绝(jue)缘(yuan)损坏(huai)的(de)导线(xian)(xian)重(zhong)新包好(hao)绝(jue)缘(yuan)，并把(ba)相(xiang)间绝(jue)缘(yuan)塞人有故(gu)(gu)障的(de)两组(zu)线(xian)(xian)圈之间即可(ke)。匝间短(duan)路(lu)也是端部(bu)出现的(de)机(ji)会(hui)多，如果短(duan)路(lu)故(gu)(gu)障不太(tai)严重(zhong)时，可(ke)以把(ba)导线(xian)(xian)包以绝(jue)缘(yuan)，刷上绝(jue)缘(yuan)...
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