防(fang)(fang)爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)機的防(fang)(fang)爆(bao)(bao)(bao)(bao)性(xing)能主要通(tong)過隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)和本質安全兩種方式來(lai)實現。隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)是(shi)(shi)通(tong)過在(zai)電(dian)(dian)(dian)(dian)機外(wai)殼上設(she)置隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)外(wai)殼，將電(dian)(dian)(dian)(dian)機內(nei)部(bu)(bu)的電(dian)(dian)(dian)(dian)氣(qi)部(bu)(bu)件(jian)(jian)與(yu)外(wai)部(bu)(bu)的易燃易爆(bao)(bao)(bao)(bao)環境隔(ge)(ge)(ge)離開來(lai)，以(yi)(yi)防(fang)(fang)止電(dian)(dian)(dian)(dian)氣(qi)部(bu)(bu)件(jian)(jian)因故障(zhang)而引發炸裂(lie)。本質安全是(shi)(shi)通(tong)過采用特殊的電(dian)(dian)(dian)(dian)氣(qi)設(she)計和制造工藝(yi)，使電(dian)(dian)(dian)(dian)機內(nei)部(bu)(bu)的電(dian)(dian)(dian)(dian)氣(qi)部(bu)(bu)件(jian)(jian)在(zai)任何情況下都不會(hui)產生火花、熱(re)量或(huo)其他能量，從而避(bi)免引發炸裂(lie)。防(fang)(fang)爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)機的隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)外(wai)殼通(tong)常(chang)采用鑄(zhu)鋁或(huo)鑄(zhu)鋼制成，具(ju)有(you)良好的耐爆(bao)(bao)(bao)(bao)性(xing)能和機械強(qiang)度。隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)外(wai)殼內(nei)部(bu)(bu)通(tong)常(chang)設(she)置有(you)隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)接(jie)線盒(he)和隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)插(cha)頭，用于連接(jie)電(dian)(dian)(dian)(dian)機內(nei)部(bu)(bu)的電(dian)(dian)(dian)(dian)氣(qi)部(bu)(bu)件(jian)(jian)和外(wai)部(bu)(bu)的電(dian)(dian)(dian)(dian)氣(qi)線路(lu)。隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)接(jie)線盒(he)和隔(ge)(ge)(ge)爆(bao)(bao)(bao)(bao)插(cha)頭也需要符合相應的防(fang)(fang)爆(bao)(bao)(bao)(bao)標(biao)準和規定，以(yi)(yi)確(que)(que)保(bao)其防(fang)(fang)爆(bao)(bao)(bao)(bao)性(xing)能。防(fang)(fang)爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)機采用優良的絕(jue)緣材料，確(que)(que)保(bao)電(dian)(dian)(dian)(dian)氣(qi)安全，減(jian)少事(shi)故發生。西安大功率防(fang)(fang)爆(bao)(bao)(bao)(bao)電(dian)(dian)(dian)(dian)機

提(ti)高(gao)電(dian)(dian)氣(qi)性能(neng)和(he)機(ji)(ji)械(xie)性能(neng)，絕(jue)緣(yuan)漆(qi)的(de)擊穿(chuan)強度及其他電(dian)(dian)性能(neng)遠高(gao)于(yu)空(kong)氣(qi)，經絕(jue)緣(yuan)處理后繞組粘結成一個整體(ti)，既提(ti)高(gao)了(le)繞組的(de)電(dian)(dian)氣(qi)性能(neng)，又可避免由于(yu)電(dian)(dian)磁(ci)力、振(zhen)動和(he)冷熱(re)(re)伸縮引起的(de)導線松動與磨(mo)損，從(cong)而提(ti)高(gao)了(le)繞組的(de)機(ji)(ji)械(xie)強度。提(ti)高(gao)化學穩定性，經絕(jue)緣(yuan)處理后，漆(qi)膜能(neng)防(fang)止絕(jue)緣(yuan)材料直接(jie)與有害(hai)的(de)化學介質(zhi)接(jie)觸(chu)，從(cong)而提(ti)高(gao)了(le)抗腐蝕能(neng)力。防(fang)爆電(dian)(dian)機(ji)(ji)以(yi)前拆(chai)除(chu)散裝(zhuang)舊(jiu)繞組時(shi)，通(tong)常采用“通(tong)電(dian)(dian)加(jia)熱(re)(re)法”，使絕(jue)緣(yuan)軟化，然(ran)后取出線圈(quan)。這(zhe)種(zhong)方法的(de)缺點是費電(dian)(dian)，且常因舊(jiu)繞組中有斷路或短路使加(jia)熱(re)(re)不均勻(yun)，難于(yu)拆(chai)除(chu)。拉(la)薩(sa)防(fang)粉塵防(fang)爆電(dian)(dian)機(ji)(ji)防(fang)爆電(dian)(dian)機(ji)(ji)在使用過(guo)程中需要進行定期(qi)檢查(cha)和(he)維護，以(yi)確保設備(bei)的(de)安(an)全和(he)可靠(kao)性。

其他部件與普通(tong)(tong)發(fa)動(dong)機(ji)(ji)相同(tong)。定轉(zhuan)子鐵芯(xin)采用(yong)(yong)高(gao)導磁率、低損(sun)耗的好的鋼板制(zhi)成(cheng)。將轉(zhuan)子固定在軸承(cheng)(cheng)上可(ke)以減少能(neng)量損(sun)失，也減少機(ji)(ji)器運行過程中(zhong)產生的振動(dong)和噪音，確(que)保(bao)機(ji)(ji)器運行平(ping)穩。不(bu)(bu)選擇較高(gao)效的機(ji)(ji)器使(shi)(shi)用(yong)(yong)，而是考(kao)慮使(shi)(shi)用(yong)(yong)環境(jing)，這樣可(ke)以降低購買成(cheng)本，較大限度地發(fa)揮電(dian)(dian)(dian)機(ji)(ji)的效用(yong)(yong)，提高(gao)產品的應用(yong)(yong)率。防(fang)塵防(fang)爆(bao)電(dian)(dian)(dian)機(ji)(ji)的結(jie)構并(bing)不(bu)(bu)重要，重要的是適用(yong)(yong)性(xing)。電(dian)(dian)(dian)壓(ya)太(tai)低，無(wu)法(fa)啟動(dong)防(fang)爆(bao)電(dian)(dian)(dian)機(ji)(ji)。當接通(tong)(tong)三相電(dian)(dian)(dian)源(yuan)(yuan)后電(dian)(dian)(dian)機(ji)(ji)不(bu)(bu)能(neng)啟動(dong)時，可(ke)能(neng)的原(yuan)因有：(1)電(dian)(dian)(dian)機(ji)(ji)規定的接線(xian)方式應為三角(jiao)形接線(xian)(△)，但星形(Y)接線(xian)不(bu)(bu)良(liang)，承(cheng)(cheng)載(zai)的負載(zai)較重；(2)電(dian)(dian)(dian)源(yuan)(yuan)與電(dian)(dian)(dian)機(ji)(ji)距離過大，線(xian)材過細，使(shi)(shi)啟動(dong)時加在電(dian)(dian)(dian)機(ji)(ji)端子上的電(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)壓(ya)過低；(3)電(dian)(dian)(dian)源(yuan)(yuan)電(dian)(dian)(dian)路本身(shen)電(dian)(dian)(dian)壓(ya)過低。

防(fang)(fang)爆(bao)電(dian)機(ji)作為一(yi)種(zhong)特殊使(shi)用(yong)的(de)電(dian)動機(ji)來說，其在起(qi)重(zhong)(zhong)(zhong)運(yun)輸過程中(zhong)要非常注(zhu)意(yi)，以(yi)免造成防(fang)(fang)爆(bao)電(dian)機(ji)的(de)損(sun)壞。下面介紹(shao)下防(fang)(fang)爆(bao)電(dian)機(ji)在起(qi)重(zhong)(zhong)(zhong)運(yun)輸儲(chu)存過程中(zhong)的(de)注(zhu)意(yi)事項(xiang)。防(fang)(fang)爆(bao)電(dian)機(ji)起(qi)重(zhong)(zhong)(zhong)：除非在吊(diao)裝(zhuang)說明中(zhong)提及(ji)其他(ta)吊(diao)裝(zhuang)方法(fa)，否則只能使(shi)用(yong)吊(diao)耳(er)進(jin)行吊(diao)裝(zhuang)。中(zhong)心高一(yi)樣的(de)防(fang)(fang)爆(bao)電(dian)機(ji)由于(yu)其他(ta)參數(shu)的(de)不同會有(you)不同的(de)重(zhong)(zhong)(zhong)心。不要使(shi)用(yong)損(sun)壞的(de)吊(diao)環(huan)。起(qi)吊(diao)前(qian)檢查。吊(diao)環(huan)螺(luo)栓(shuan)(shuan)或整個(ge)吊(diao)耳(er)必(bi)須完好(hao)無損(sun)。起(qi)吊(diao)前(qian)必(bi)須擰緊起(qi)重(zhong)(zhong)(zhong)螺(luo)栓(shuan)(shuan)。如有(you)必(bi)要，可使(shi)用(yong)墊(dian)圈作為襯墊(dian)來調(diao)整吊(diao)環(huan)螺(luo)栓(shuan)(shuan)的(de)位置。必(bi)須使(shi)用(yong)合適的(de)起(qi)重(zhong)(zhong)(zhong)設備，吊(diao)鉤的(de)尺寸必(bi)須與(yu)吊(diao)耳(er)的(de)尺寸相匹配。防(fang)(fang)爆(bao)電(dian)機(ji)是一(yi)種(zhong)特殊的(de)電(dian)機(ji)，用(yong)于(yu)在易燃易爆(bao)環(huan)境中(zhong)工作。

如果相(xiang)互靠著(zhu)的兩(liang)匝(za)或(huo)(huo)(huo)幾(ji)(ji)(ji)線(xian)(xian)圈(quan)因(yin)絕緣層破損(sun)，導(dao)線(xian)(xian)直接(jie)接(jie)觸，稱(cheng)為匝(za)間短(duan)(duan)路。匝(za)間短(duan)(duan)路后，短(duan)(duan)路的一匝(za)或(huo)(huo)(huo)幾(ji)(ji)(ji)匝(za)間線(xian)(xian)圈(quan)自身組成閉合回(hui)路(沒有外(wai)加電(dian)壓)，感(gan)應電(dian)動(dong)勢就會(hui)在這(zhe)個電(dian)阻很小的閉合回(hui)路中產生很大的環(huan)流，使(shi)繞組很快發(fa)熱、冒煙并(bing)發(fa)出(chu)焦(jiao)臭(chou)味。短(duan)(duan)路的線(xian)(xian)匝(za)較多時(shi)(shi)，甚至(zhi)使(shi)保險(xian)絲熔(rong)斷。此時(shi)(shi)由于電(dian)動(dong)機(ji)所受的電(dian)磁轉矩不平衡而產生振(zhen)動(dong)，并(bing)發(fa)出(chu)不正常的響聲。將此種電(dian)動(dong)機(ji)解體檢查時(shi)(shi)，可以發(fa)現一個或(huo)(huo)(huo)幾(ji)(ji)(ji)個線(xian)(xian)圈(quan)絕緣燒(shao)壞，流漆、變色，嚴(yan)重時(shi)(shi)影響到鄰近(jin)線(xian)(xian)圈(quan)被燒(shao)壞，導(dao)致(zhi)更嚴(yan)重的短(duan)(duan)路，使(shi)電(dian)動(dong)機(ji)燒(shao)損(sun)。防爆電(dian)機(ji)運(yun)行時(shi)(shi)需要嚴(yan)格按照相(xiang)關規范和(he)要求進行操作(zuo)，避(bi)免意外(wai)事故的發(fa)生。四川防爆電(dian)機(ji)價錢

防爆(bao)電(dian)(dian)機的應(ying)用越(yue)來越(yue)普遍，技(ji)術技(ji)術不(bu)斷地提(ti)升(sheng)，而作為重要備件的電(dian)(dian)機馬達毫無疑(yi)問也在不(bu)斷推進。西(xi)安大功率防爆(bao)電(dian)(dian)機

多速(su)(su)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)與(yu)(yu)單(dan)速(su)(su)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)不同(tong)，它(ta)只(zhi)有一(yi)種(zhong)電(dian)(dian)壓(ya)，定(ding)子(zi)繞(rao)組無須(xu)變換電(dian)(dian)壓(ya)，即無須(xu)由(you)星形(xing)(xing)(xing)連(lian)接(jie)(jie)變為三(san)角(jiao)形(xing)(xing)(xing)連(lian)接(jie)(jie)。雙(shuang)(shuang)層(ceng)繞(rao)組電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)定(ding)子(zi)繞(rao)組不允(yun)許接(jie)(jie)成(cheng)三(san)角(jiao)形(xing)(xing)(xing)，因(yin)為這樣做在電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)運行時，未接(jie)(jie)入線路而連(lian)成(cheng)三(san)角(jiao)形(xing)(xing)(xing)的(de)(de)(de)繞(rao)組會由(you)接(jie)(jie)入線路繞(rao)組引起感應電(dian)(dian)動(dong)(dong)(dong)勢，并產生很大的(de)(de)(de)寄生電(dian)(dian)流。這種(zhong)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)和三(san)相(xiang)交流電(dian)(dian)網連(lian)接(jie)(jie)時允(yun)許在任何方向和兩種(zhong)速(su)(su)度的(de)(de)(de)任一(yi)速(su)(su)度下(xia)直接(jie)(jie)起動(dong)(dong)(dong)。電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)安裝(zhuang)(zhuang)方式一(yi)般為機(ji)(ji)(ji)(ji)座(zuo)帶底腳臥式安裝(zhuang)(zhuang)。升(sheng)降機(ji)(ji)(ji)(ji)用電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)結(jie)構(gou)形(xing)(xing)(xing)式與(yu)(yu)標準防爆(bao)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)相(xiang)類似；外克用鋼板焊接(jie)(jie)并焊有散熱筋。有自帶風(feng)(feng)扇從(cong)外部吹風(feng)(feng)冷卻。升(sheng)降機(ji)(ji)(ji)(ji)用雙(shuang)(shuang)速(su)(su)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)額定(ding)，功率在高轉速(su)(su)時（1000轉/分）為同(tong)樣外形(xing)(xing)(xing)尺寸和轉速(su)(su)及長時運轉的(de)(de)(de)一(yi)般電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)1/4到1/5.5。西安大功率防爆(bao)電(dian)(dian)機(ji)(ji)(ji)(ji)

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