目前防(fang)爆(bao)电(dian)(dian)机(ji)种(zhong)类较多,不同(tong)的危险区域使用(yong)不同(tong)类型的防(fang)爆(bao)电(dian)(dian)机(ji)。如果这些电(dian)(dian)机(ji)出现故障,使用(yong)部门为了(le)保(bao)证安全和使用(yong)性能(neng),就(jiu)需要返回厂家或进(jin)(jin)入(ru)大修(xiu)厂进(jin)(jin)行修(xiu)理(li)(li),修(xiu)理(li)(li)工作要严格按(an)照GB 3836.13的要求进(jin)(jin)行。下(xia)面山东子昂电(dian)(dian)机(ji)维修(xiu)就(jiu)防(fang)爆(bao)电(dian)(dian)机(ji)修(xiu)理(li)(li)过程中的技术(shu)要点简(jian)要介绍，记(ji)录(lu)原(yuan)始数(shu)据(ju)的要求在修(xiu)理(li)(li)电(dian)(dian)动机(ji)之前,应尽可(ke)能(neng)将(jiang)电(dian)(dian)动机(ji)的一切可(ke)以记(ji)录(lu)的数(shu)据(ju)都记(ji)录(lu)下(xia)来：1、铭牌数(shu)据(ju)：电(dian)(dian)动机(ji)型号、额定(ding)(ding)功率、额定(ding)(ding)电(dian)(dian)压、额定(ding)(ding)电(dian)(dian)流、负载持(chi)续率、额...
一、电(dian)机(ji)(ji)(ji)频(pin)繁跳闸(zha)的(de)几种原因(yin)如下:1、电(dian)机(ji)(ji)(ji)空气(qi)开(kai)关(guan)，过(guo)(guo)电(dian)流(liu)保(bao)护器容(rong)(rong)量不符或(huo)老化(hua)。2、电(dian)机(ji)(ji)(ji)的(de)出线电(dian)缆破皮。3、电(dian)机(ji)(ji)(ji)的(de)磁回(hui)路(lu)性能下降，造(zao)成电(dian)流(liu)过(guo)(guo)大。4、轴承损坏或(huo)者缺油卡涩(se)，产生过(guo)(guo)负荷跳闸(zha)。5、电(dian)机(ji)(ji)(ji)电(dian)源(yuan)有问题或(huo)者是断路(lu)器老化(hua)。为(wei)了保(bao)证电(dian)机(ji)(ji)(ji)正(zheng)(zheng)常(chang)(chang)工作，除(chu)按操作规程(cheng)正(zheng)(zheng)确使用电(dian)动机(ji)(ji)(ji)，运(yun)行过(guo)(guo)程(cheng)中(zhong)注意正(zheng)(zheng)常(chang)(chang)监视外，还(hai)应对电(dian)动机(ji)(ji)(ji)进行定期检(jian)查维护，其主要内容(rong)(rong)有：（1）清(qing)擦(ca)电(dian)机(ji)(ji)(ji)外部，及时除(chu)去机(ji)(ji)(ji)座(zuo)外部的(de)灰尘、油泥、检(jian)查、清(qing)擦(ca)电(dian)动机(ji)(ji)(ji)接(jie)...
对(dui)以往三相异步电(dian)动(dong)机(ji)运行的常见(jian)故(gu)障(zhang)表现形(xing)式(shi)、原因(yin)等进行分析，有针(zhen)(zhen)对(dui)性地(di)提出故(gu)障(zhang)排除和维修方(fang)法(fa)，以更(geng)好(hao)地(di)确保电(dian)动(dong)机(ji)安全、稳定运行，延(yan)长(zhang)使用寿命。其中，电(dian)气故(gu)障(zhang)涉及到定子绕(rao)组(zu)或(huo)(huo)转子绕(rao)组(zu);机(ji)械故(gu)障(zhang)涉及到风(feng)扇、机(ji)壳、转轴(zhou)或(huo)(huo)者轴(zhou)承等。一般发生(sheng)故(gu)障(zhang)的原因(yin)比较多，需要奠(dian)定在充分分析、判(pan)断(duan)的基础(chu)上，借助仪表的测量检查(cha)作(zuo)用，确定故(gu)障(zhang)点、查(cha)明原因(yin)，有针(zhen)(zhen)对(dui)性地(di)采取维修胡处(chu)理措施(shi)，减少由(you)于故(gu)障(zhang)而带来的损(sun)失。对(dui)于三相异步电(dian)动(dong)...
大型电(dian)(dian)(dian)机定子(zi)线圈(quan)腐(fu)(fu)蚀(shi)(shi)的(de)(de)原因(yin)：电(dian)(dian)(dian)机定子(zi)线圈(quan)发(fa)生(sheng)内(nei)、外腐(fu)(fu)蚀(shi)(shi)的(de)(de)原因(yin)，主要(yao)(yao)是(shi)由(you)于线圈(quan)主绝(jue)缘在电(dian)(dian)(dian)机运(yun)行中(zhong)，长期(qi)在电(dian)(dian)(dian)磁振动、高温度和(he)高电(dian)(dian)(dian)压3种因(yin)素(su)的(de)(de)作用下(xia)而遭到振动磨(mo)损(sun)、电(dian)(dian)(dian)晕腐(fu)(fu)蚀(shi)(shi)及绝(jue)缘热老化，使线圈(quan)整体绝(jue)缘出(chu)现(xian)脱壳、分层、烧灼、磨(mo)损(sun)和(he)绝(jue)缘强(qiang)度降低等现(xian)象(xiang)，最终造成绝(jue)缘击穿(chuan)故(gu)障(zhang)。1、大型电(dian)(dian)(dian)机检修(xiu)期(qi)间，要(yao)(yao)认真(zhen)检查槽口的(de)(de)封口槽楔(xie)，对松动的(de)(de)槽楔(xie)要(yao)(yao)重新处理。同时检查线圈(quan)槽口部位的(de)(de)半导体防(fang)晕层是(shi)否受到磨(mo)损(sun)，如(ru)果(guo)出(chu)现(xian)磨(mo)损(sun)，可用...
一(yi)台大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)用交流接触器控(kong)制，三相电源(yuan)电压(ya)正(zheng)常，按下(xia)启动(dong)(dong)按钮，大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)运行但(dan)达不(bu)到额定转(zhuan)速(su)。判断(duan)(duan)故(gu)(gu)障(zhang)(zhang)原(yuan)(yuan)因及处理方法如下(xia)：一(yi)、故(gu)(gu)降分析根据故(gu)(gu)障(zhang)(zhang)现象分析：电源(yuan)电压(ya)正(zheng)常．大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)能运行但(dan)达不(bu)到额定转(zhuan)速(su)，说明(ming)故(gu)(gu)障(zhang)(zhang)出在大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)的电磁(ci)转(zhuan)矩(ju)和最大(da)(da)转(zhuan)矩(ju)。故(gu)(gu)障(zhang)(zhang)有以下(xia)几种原(yuan)(yuan)因：1、大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)过载电动(dong)(dong)机(ji)(ji)(ji)(ji)拖动(dong)(dong)的设备机(ji)(ji)(ji)(ji)械故(gu)(gu)障(zhang)(zhang)或(huo)电动(dong)(dong)机(ji)(ji)(ji)(ji)轴承(cheng)损(sun)用扫(sao)膛）等原(yuan)(yuan)因造(zao)成阻力(li)力(li)矩(ju)加(jia)大(da)(da)。2、鼠笼式转(zhuan)子断(duan)(duan)条鼠笼式大(da)(da)型(xing)电机(ji)(ji)(ji)(ji)转(zhuan)子绕(rao)组是一(yi)个闭(bi)合的电流回...
大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)在(zai)使(shi)用一段时(shi)间后运(yun)转速度(du)变(bian)慢了(le)(le)是(shi)什么(me)原因(yin)呢？又(you)或(huo)者(zhe)大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)在(zai)使(shi)用的过程中突然变(bian)慢了(le)(le)怎么(me)办(ban)?是(shi)什么(me)原因(yin)导(dao)致这(zhei)些问题发生呢？随子昂电(dian)(dian)机(ji)(ji)(ji)维修(xiu)小编一起去了(le)(le)解(jie)一下(xia)吧。机(ji)(ji)(ji)械故障(zhang)是(shi)件让使(shi)用人(ren)防不胜防的工作，尤(you)其是(shi)大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)故障(zhang)，大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)运(yun)转慢的原因(yin)经常有(you)人(ren)问-电(dian)(dian)动车(che)大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)如何保养(yang)：电(dian)(dian)瓶车(che)在(zai)行驶(shi)后停(ting)车(che)时(shi)，大(da)型(xing)电(dian)(dian)机(ji)(ji)(ji)启(qi)(qi)动不稳定，有(you)时(shi)候(hou)正常，有(you)时(shi)候(hou)启(qi)(qi)动不起来，踢打或(huo)乱拍过后，又(you)会动转，下(xia)次稍停(ting)车(che)后，又(you)会又(you)停(ting)下(xia)来几...
直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)的(de)启(qi)(qi)动(dong)(dong)(dong)：将静(jing)止不(bu)动(dong)(dong)(dong)的(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)的(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路与(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源接(jie)通(tong)(tong)，使电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)的(de)转(zhuan)动(dong)(dong)(dong)部分(fen)旋(xuan)转(zhuan)起来(lai)，最(zui)后达到正常运转(zhuan)，叫作(zuo)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)的(de)启(qi)(qi)动(dong)(dong)(dong)。若不(bu)用任何启(qi)(qi)动(dong)(dong)(dong)设(she)备而(er)是将电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)直(zhi)(zhi)接(jie)往(wang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源上连接(jie)，这(zhei)(zhei)种启(qi)(qi)动(dong)(dong)(dong)方法(fa)叫作(zuo)直(zhi)(zhi)接(jie)启(qi)(qi)动(dong)(dong)(dong)，其启(qi)(qi)动(dong)(dong)(dong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)很大。由(you)于(yu)当电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)刚与(yu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源接(jie)通(tong)(tong)时(shi)，因(yin)为(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)枢(shu)还没有旋(xuan)转(zhuan)，因(yin)此反电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)动(dong)(dong)(dong)势等于(yu)零，这(zhei)(zhei)时(shi)通(tong)(tong)过电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)枢(shu)的(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)（即启(qi)(qi)动(dong)(dong)(dong)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)）。因(yin)为(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)枢(shu)内(nei)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻很小，外加电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压又是额定值(zhi)，所以电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)机(ji)(ji)(ji)在直(zhi)(zhi)接(jie)启(qi)(qi)动(dong)(dong)(dong)时(shi)的(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)枢(shu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)将比额定电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)大十几(ji)倍，甚(shen)至几(ji)百倍...
新风系(xi)统(tong)技术(shu)的(de)不(bu)断发(fa)展(zhan)，采(cai)用(yong)(yong)直(zhi)(zhi)流(liu)电(dian)机(ji)的(de)品牌越(yue)来越(yue)多(duo)。那新风系(xi)统(tong)中使用(yong)(yong)直(zhi)(zhi)流(liu)电(dian)机(ji)和交(jiao)流(liu)电(dian)机(ji)究竟有哪(na)些区别呢?我们一起来看看。一、交(jiao)流(liu)电(dian)机(ji)的(de)优(you)点：1、交(jiao)流(liu)电(dian)机(ji)制(zhi)造比(bi)较便(bian)宜。2、矢量(liang)变频(pin)技术(shu)的(de)发(fa)展(zhan)，已经(jing)可(ke)以(yi)用(yong)(yong)变频(pin)电(dian)机(ji)模拟(ni)成(cheng)直(zhi)(zhi)流(liu)电(dian)。3、相对于直(zhi)(zhi)流(liu)电(dian)机(ji)在(zai)结构(gou)简(jian)单(dan)、维(wei)护容易、对环境(jing)要(yao)求低(di)以(yi)及(ji)节能和提(ti)高生(sheng)产力等方面具有足(zu)够的(de)优(you)势(shi)，使得交(jiao)流(liu)调(diao)速(su)已经(jing)广(guang)泛运用(yong)(yong)于工(gong)农业生(sheng)产、交(jiao)通(tong)运输(shu)、国防以(yi)及(ji)日(ri)常生(sheng)活之中。一般来说，直(zhi)(zhi)流(liu)电(dian)机(ji)...
直(zhi)(zhi)流电(dian)(dian)(dian)机在使用时(shi)除了(le)要(yao)(yao)规范操(cao)作之(zhi)外，我们还需(xu)要(yao)(yao)掌握(wo)一些(xie)基本的(de)(de)常识，那么哪怕(pa)实(shi)在出(chu)现(xian)问题的(de)(de)时(shi)候也能及时(shi)的(de)(de)应(ying)对，从而避免很(hen)多(duo)不(bu)必要(yao)(yao)的(de)(de)麻烦，所以今天子昂电(dian)(dian)(dian)机维修要(yao)(yao)跟大(da)家讲(jiang)的(de)(de)就是直(zhi)(zhi)流电(dian)(dian)(dian)机注意(yi)的(de)(de)防火手(shou)段，这是非常重要(yao)(yao)的(de)(de)，希望大(da)家能够好好学习一下。1、运行过(guo)(guo)程(cheng)中，电(dian)(dian)(dian)流、电(dian)(dian)(dian)压不(bu)得超(chao)过(guo)(guo)允许(xu)范围(wei)，直(zhi)(zhi)流电(dian)(dian)(dian)机的(de)(de)温度(du)、声音(yin)、振动、轴串动应(ying)正常、无(wu)焦(jiao)臭味。2、电(dian)(dian)(dian)机出(chu)现(xian)缺(que)相(xiang)运行时(shi)，应(ying)立即(ji)切(qie)断电(dian)(dian)(dian)源，防止电(dian)(dian)(dian)机因缺(que)相(xiang)运行过(guo)(guo)载(zai)而发(fa)热起...
在(zai)交流(liu)电机维修(xiu)的(de)时(shi)候安装轴(zhou)(zhou)(zhou)承可以采(cai)用两种方法：一(yi)种利用废旧的(de)短钢管(guan)或短铁管(guan)顶(ding)在(zai)轴(zhou)(zhou)(zhou)承的(de)内(nei)圈L，然后在(zai)钢套管(guan)的(de)另一(yi)端垫上(shang)木板(ban).用手锤(chui)轻轻敲打(da)。将轴(zhou)(zhou)(zhou)承慢慢压入(ru)(ru)。如果(guo)没(mei)有(you)合适(shi)的(de)钢管(guan)或铁管(guan)，也(ye)可用硬木或角(jiao)铁顶(ding)住(zhu)轴(zhou)(zhou)(zhou)承的(de)内(nei)圈，对称地把(ba)轴(zhou)(zhou)(zhou)承打(da)人。如发现轴(zhou)(zhou)(zhou)承内(nei)圈过紧，不(bu)要(yao)硬敲。可用细砂(sha)布把(ba)轴(zhou)(zhou)(zhou)表面均匀地擦(ca)一(yi)擦(ca)，然后再将轴(zhou)(zhou)(zhou)承压入(ru)(ru)。轴(zhou)(zhou)(zhou)承套上(shang)后应保(bao)持适(shi)当的(de)紧密程度.并(bing)保(bao)证转动灵活。轴(zhou)(zhou)(zhou)承外(wai)圈和端盖之间也(ye)不(bu)应过紧。另一(yi)种方法是把(ba)...
交(jiao)流(liu)电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)是生(sheng)产(chan)中最常见、最基本的动(dong)(dong)力源(yuan)(yuan)装置。本文主要(yao)探讨对三项(xiang)交(jiao)流(liu)电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)易发故(gu)障的处理。一、三相(xiang)交(jiao)流(liu)电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)概述(shu) 电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)也(ye)称电(dian)(dian)机(ji)(ji)(ji)（俗称马达）。它的主要(yao)作用(yong)是产(chan)生(sheng)驱动(dong)(dong)力矩，作为用(yong)电(dian)(dian)器或(huo)小型机(ji)(ji)(ji)械的动(dong)(dong)力源(yuan)(yuan)。实际中交(jiao)流(liu)电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)用(yong)得较(jiao)多(duo)，交(jiao)流(liu)电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)又分三相(xiang)式和(he)单(dan)(dan)相(xiang)式。三相(xiang)异(yi)步电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)的结构(gou)与单(dan)(dan)相(xiang)异(yi)步电(dian)(dian)动(dong)(dong)机(ji)(ji)(ji)相(xiang)似，其(qi)定子(zi)铁(tie)心(xin)槽中嵌装三相(xiang)绕组（有单(dan)(dan)层(ceng)链式、单(dan)(dan)层(ceng)同心(xin)式和(he)单(dan)(dan)层(ceng)交(jiao)叉式三种结构(gou)）。定子(zi)绕组成(cheng)接入三相(xiang)交(jiao)流(liu)电(dian)(dian)源(yuan)(yuan)后...
检(jian)(jian)测(ce)器件是数控机床(chuang)伺(si)服系统的(de)重要(yao)组成部分，用(yong)以(yi)检(jian)(jian)测(ce)各(ge)控制轴(zhou)的(de)位移(yi)和(he)速(su)度，在实(shi)际使用(yong)中，由于磨损(sun)和(he)污(wu)染，经常会出现(xian)检(jian)(jian)测(ce)器件故(gu)(gu)(gu)(gu)障(zhang)(zhang)，造成伺(si)服系统无法驱动机床(chuang)正常运行。常见故(gu)(gu)(gu)(gu)障(zhang)(zhang)及(ji)维(wei)修：一、机械振(zhen)荡(dang)(加／减速(su)时(shi))引(yin)发(fa)此类故(gu)(gu)(gu)(gu)障(zhang)(zhang)的(de)常见原因有：1、脉(mai)冲编码器出现(xian)故(gu)(gu)(gu)(gu)障(zhang)(zhang)。此时(shi)应检(jian)(jian)查速(su)度检(jian)(jian)测(ce)单元(yuan)反馈线端子上的(de)电压是否在某(mou)几点电压下降，如有下降表明(ming)脉(mai)冲编码器不(bu)良，更换(huan)编码器。2、脉(mai)冲编码器十字联轴(zhou)节(jie)可能损(sun)坏，导致(zhi)轴(zhou)转速(su)与检(jian)(jian)测(ce)...
电话：0539-7110552 15094756722
地址(zhi)：临(lin)沂市罗(luo)庄(zhuang)区西外(wai)环(huan)与化武路交汇D11-1号(hao)
Copyright ©2018 山东子昂直流机电维修 版权所有 ALL rights Reserved. 技术支持：智顺网络 |
在线客服：
客户服务热线
15094756722