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與你共享幾點實用的直流電機的維修方法

文章出處:maituwangluo.com  |  發布時間:2019/4/26 10:29:48  |  瀏覽次數:564
接下(xia)來就由重慶直流(liu)電(dian)機(ji)(ji)維修廠家來與您(nin)分享電(dian)機(ji)(ji)修理的(de)三種實(shi)用方法(fa).
1.裝上端蓋后,電機絕緣電阻(zu)降低的處理
籠型電(dian)(dian)機(ji)修理時未裝(zhuang)兩(liang)端(duan)蓋之(zhi)前,繞(rao)(rao)組(zu)對機(ji)殼絕(jue)緣(yuan)良好.裝(zhuang)上(shang)(shang)后(hou),絕(jue)緣(yuan)電(dian)(dian)阻(zu)降(jiang)低.這種現象可判斷故障發生在繞(rao)(rao)組(zu)的兩(liang)端(duan)部.造成絕(jue)緣(yuan)電(dian)(dian)阻(zu)降(jiang)低的原因,可能是漆(qi)包(bao)線上(shang)(shang)漆(qi)膜(mo)有局(ju)部碰破或繞(rao)(rao)線模偏大使繞(rao)(rao)組(zu)端(duan)部伸出較長.因端(duan)蓋罩(zhao)上(shang)(shang)后(hou),端(duan)蓋內(nei)壁靠近或接觸(chu)故障點,所以使繞(rao)(rao)組(zu)絕(jue)緣(yuan)電(dian)(dian)阻(zu)降(jiang)低.
2.定(ding)子繞組槽內有接地點的(de)尋(xun)找和處理
定子(zi)繞組槽內接(jie)地,一般多發(fa)生在(zai)槽口(kou).由于槽絕緣紙(zhi)在(zai)槽口(kou)墊偏、損(sun)壞,或(huo)在(zai)槽口(kou)因(yin)下線(xian)、劃線(xian)不慎,將漆包線(xian)放到槽絕緣紙(zhi)的(de)下面(mian),或(huo)在(zai)打(da)入槽楔(xie)時將槽絕緣紙(zhi)擠破,因(yin)而(er)造成接(jie)地故障.
3.電動(dong)機舊繞(rao)組的拆除

    一般都要先烘(hong)軟繞(rao)組(zu)(zu)再(zai)拆(chai)線.但較大容量(liang)的電(dian)機(ji),烘(hong)軟和(he)拆(chai)線都較困難,故可采用(yong)(yong)(yong)下述方法拆(chai)除(chu)舊(jiu)繞(rao)組(zu)(zu).用(yong)(yong)(yong)一把扁鏟(chan),將繞(rao)組(zu)(zu)的一端(duan)鏟(chan)除(chu),切口(kou)與(yu)槽口(kou)齊平.繞(rao)組(zu)(zu)的另(ling)一端(duan)用(yong)(yong)(yong)鐵皮剪刀剪開,然(ran)后用(yong)(yong)(yong)一根粗細適合的銅棒將槽中的漆包(bao)線沖出,較后清槽.如果銅棒合適,操作方法正確,每槽中的導線可一起沖出.在使用(yong)(yong)(yong)扁鏟(chan)時,要小心謹慎(shen),切勿(wu)鏟(chan)壞定子(zi)鐵心.

重慶直流電機維修

    直流(liu)電(dian)機的使用廣泛(fan)比(bi)較廣泛(fan),而且還很耐用.現在(zai)市場(chang)上都有哪些(xie)(xie)類型的電(dian)機?今天直流(liu)電(dian)機維(wei)修(xiu)廠家來和(he)大(da)家講(jiang)(jiang)一講(jiang)(jiang)直流(liu)電(dian)機維(wei)修(xiu)從哪些(xie)(xie)方面進行分類.
1、按工作電(dian)(dian)源(yuan)分(fen)類根據電(dian)(dian)動(dong)(dong)機(ji)工作電(dian)(dian)源(yuan)的不同(tong),可分(fen)為直流電(dian)(dian)動(dong)(dong)機(ji)和(he)交流電(dian)(dian)動(dong)(dong)機(ji).其中交流電(dian)(dian)動(dong)(dong)機(ji)還分(fen)為單相(xiang)電(dian)(dian)動(dong)(dong)機(ji)和(he)三相(xiang)電(dian)(dian)動(dong)(dong)機(ji).
2、按結構及工作原理分(fen)(fen)類根(gen)據電(dian)動機(ji)按結構及工作原理的不同,可分(fen)(fen)為直流電(dian)動機(ji),異步電(dian)動機(ji)和同步電(dian)動機(ji).
3、按起(qi)動(dong)(dong)與(yu)(yu)運行方(fang)式(shi)分(fen)類根據(ju)電(dian)(dian)(dian)動(dong)(dong)機按起(qi)動(dong)(dong)與(yu)(yu)運行方(fang)式(shi)不(bu)同(tong),可分(fen)為電(dian)(dian)(dian)容(rong)起(qi)動(dong)(dong)式(shi)單相(xiang)異步(bu)電(dian)(dian)(dian)動(dong)(dong)機、電(dian)(dian)(dian)容(rong)運轉(zhuan)式(shi)單相(xiang)異步(bu)電(dian)(dian)(dian)動(dong)(dong)機、電(dian)(dian)(dian)容(rong)起(qi)動(dong)(dong)運轉(zhuan)式(shi)單相(xiang)異步(bu)電(dian)(dian)(dian)動(dong)(dong)機和分(fen)相(xiang)式(shi)單相(xiang)異步(bu)電(dian)(dian)(dian)動(dong)(dong)機.
4、按用(yong)途分類可分為驅動(dong)用(yong)電(dian)動(dong)機(ji)和控制用(yong)電(dian)動(dong)機(ji).
5、按轉子的結構分類根據電(dian)(dian)動(dong)(dong)機(ji)按轉子的結構不同,可分為(wei)籠型(xing)感應(ying)電(dian)(dian)動(dong)(dong)機(ji)(舊(jiu)標準稱為(wei)鼠籠型(xing)異(yi)步電(dian)(dian)動(dong)(dong)機(ji))和繞線轉子感應(ying)電(dian)(dian)動(dong)(dong)機(ji)(舊(jiu)標準稱為(wei)繞線型(xing)異(yi)步電(dian)(dian)動(dong)(dong)機(ji)).
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