蜗牛视频

蜗牛视频

河北祥力電機的安裝簡介

2019-02-06 00:00:00 3

1、電(dian)動機—般安裝在室內清潔、干燥(zao)的場所,周圍必(bi)須(xu)通風良好(hao),環(huan)境空氣最(zui)高溫度(du)不(bu)超過40℃,最(zui)低(di)溫度(du)不(bu)低(di)于(yu)-15℃,并應防止強(qiang)烈的熱輻射。  
2、按接(jie)(jie)線(xian)圖(tu)接(jie)(jie)電(dian)源線(xian)接(jie)(jie)線(xian)頭(tou)連(lian)接(jie)(jie)要緊固,帶引出電(dian)纜、電(dian)線(xian)的電(dian)動機,可直接(jie)(jie)和(he)電(dian)源線(xian)連(lian)接(jie)(jie),接(jie)(jie)頭(tou)處要絕緣密封。 
3、當(dang)電源(yuan)線,相序和電動(dong)粗接(jie)線頭(tou)標(biao)志對(dui)應連(lian)接(jie)時(shi)(shi),從軸伸(shen)端看(kan)電動(dong)機(ji)順時(shi)(shi)針旋轉。需要改(gai)變轉向時(shi)(shi),改(gai)變兩根電源(yuan)線接(jie)線的(de)位(wei)置即可。 
4、YD系列等變級(ji)多(duo)速(su)(su)(su)異步電(dian)動(dong)機是利用換接引出線的(de)(de)方法來控(kong)制(zhi)轉(zhuan)速(su)(su)(su)變化的(de)(de),為(wei)保證(zheng)多(duo)速(su)(su)(su)電(dian)動(dong)機運行的(de)(de)可(ke)靠性(xing),設計和操作控(kong)制(zhi)裝(zhuang)置時應注意(yi),在(zai)(zai)高速(su)(su)(su)切(qie)換為(wei)低速(su)(su)(su)時,必須(xu)在(zai)(zai)切(qie)斷(duan)電(dian)源的(de)(de)同時斷(duan)開2Y接線的(de)(de)中性(xing)點(dian),以(yi)免在(zai)(zai)低速(su)(su)(su)繞(rao)組接通(tong)時引起電(dian)源短路.在(zai)(zai)高速(su)(su)(su)切(qie)換為(wei)低速(su)(su)(su)的(de)(de)過程中,必續(xu)待電(dian)動(dong)機停轉(zhuan)后才能接通(tong)低速(su)(su)(su)繞(rao)組的(de)(de)電(dian)源,以(yi)減少(shao)對電(dian)動(dong)機及負載的(de)(de)沖擊(ji).轉(zhuan)速(su)(su)(su)切(qie)換要注意(yi)電(dian)動(dong)機的(de)(de)轉(zhuan)向。 
5、電(dian)動(dong)(dong)(dong)機(ji)可以(yi)采有(you)聯(lian)(lian)軸(zhou)器(qi),齒(chi)輪、皮帶與(yu)(yu)負載(zai)機(ji)械聯(lian)(lian)接,4kw以(yi)上的(de)(de)2極電(dian)動(dong)(dong)(dong)機(ji)30kw以(yi)上的(de)(de)4極電(dian)動(dong)(dong)(dong)機(ji)不(bu)宜用皮帶傳動(dong)(dong)(dong),雙軸(zhou)伸電(dian)動(dong)(dong)(dong)的(de)(de)第二軸(zhou)伸只能(neng)用聯(lian)(lian)軸(zhou)囂(xiao)傳動(dong)(dong)(dong)。聯(lian)(lian)軸(zhou)器(qi)、皮帶輪軸(zhou)孔與(yu)(yu)電(dian)動(dong)(dong)(dong)機(ji)軸(zhou)的(de)(de)配(pei)合(he)松緊應合(he)適,安裝時(shi)嚴(yan)禁用重錘敲擊。采用聯(lian)(lian)軸(zhou)器(qi)傳動(dong)(dong)(dong)時(shi),電(dian)動(dong)(dong)(dong)機(ji)軸(zhou)中心線與(yu)(yu)負載(zai)機(ji)械軸(zhou)中心線應重合(he), 
聯(lian)軸(zhou)器軸(zhou)向(xiang)保留1~3mm間隙。 采用皮帶傳達室動時(shi),電(dian)動機(ji)軸(zhou)中(zhong)心線(xian)應與(yu)負載機(ji)械軸(zhou)中(zhong)心線(xian)平行,皮帶中(zhong)心線(xian)與(yu)軸(zhou)中(zhong)心線(xian)相互垂直。