91香蕉视频下载

91香蕉视频下载

河北祥力電機的安裝簡介

2019-02-06 00:00:00 3

1、電動機—般安裝在室內清潔、干燥的場所(suo),周圍必(bi)須通風良好,環境空(kong)氣最高(gao)溫度(du)不超過(guo)40℃,最低溫度(du)不低于-15℃,并應防止強烈的熱輻射。  
2、按(an)接(jie)(jie)線圖接(jie)(jie)電源(yuan)線接(jie)(jie)線頭連接(jie)(jie)要(yao)緊固,帶引出(chu)電纜、電線的電動機,可直接(jie)(jie)和電源(yuan)線連接(jie)(jie),接(jie)(jie)頭處要(yao)絕緣密(mi)封(feng)。 
3、當電源線(xian)(xian),相序和電動粗接線(xian)(xian)頭標志對應(ying)連(lian)接時(shi),從軸伸端看(kan)電動機(ji)順時(shi)針旋轉(zhuan)(zhuan)。需要改變轉(zhuan)(zhuan)向時(shi),改變兩根電源線(xian)(xian)接線(xian)(xian)的位(wei)置(zhi)即(ji)可。 
4、YD系列等變級多速(su)(su)(su)異步電(dian)(dian)動機(ji)是利用(yong)換(huan)(huan)(huan)接引出線(xian)的(de)方(fang)法來控(kong)制(zhi)轉速(su)(su)(su)變化的(de),為(wei)保證(zheng)多速(su)(su)(su)電(dian)(dian)動機(ji)運(yun)行的(de)可靠(kao)性(xing),設計(ji)和操作控(kong)制(zhi)裝置時(shi)應(ying)注(zhu)意,在(zai)高(gao)速(su)(su)(su)切換(huan)(huan)(huan)為(wei)低(di)速(su)(su)(su)時(shi),必須(xu)在(zai)切斷(duan)電(dian)(dian)源(yuan)(yuan)(yuan)的(de)同(tong)時(shi)斷(duan)開(kai)2Y接線(xian)的(de)中性(xing)點,以免(mian)在(zai)低(di)速(su)(su)(su)繞組接通時(shi)引起電(dian)(dian)源(yuan)(yuan)(yuan)短路(lu).在(zai)高(gao)速(su)(su)(su)切換(huan)(huan)(huan)為(wei)低(di)速(su)(su)(su)的(de)過程中,必續待電(dian)(dian)動機(ji)停轉后才能接通低(di)速(su)(su)(su)繞組的(de)電(dian)(dian)源(yuan)(yuan)(yuan),以減少對電(dian)(dian)動機(ji)及(ji)負載(zai)的(de)沖(chong)擊.轉速(su)(su)(su)切換(huan)(huan)(huan)要(yao)注(zhu)意電(dian)(dian)動機(ji)的(de)轉向。 
5、電(dian)動(dong)(dong)機可以采(cai)(cai)有聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi),齒輪、皮(pi)帶(dai)與負(fu)載機械聯(lian)(lian)(lian)接,4kw以上的2極(ji)電(dian)動(dong)(dong)機30kw以上的4極(ji)電(dian)動(dong)(dong)機不宜用皮(pi)帶(dai)傳動(dong)(dong),雙軸(zhou)(zhou)伸電(dian)動(dong)(dong)的第二軸(zhou)(zhou)伸只能用聯(lian)(lian)(lian)軸(zhou)(zhou)囂傳動(dong)(dong)。聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)、皮(pi)帶(dai)輪軸(zhou)(zhou)孔與電(dian)動(dong)(dong)機軸(zhou)(zhou)的配合(he)松緊應(ying)合(he)適,安裝時(shi)嚴禁用重錘敲(qiao)擊。采(cai)(cai)用聯(lian)(lian)(lian)軸(zhou)(zhou)器(qi)傳動(dong)(dong)時(shi),電(dian)動(dong)(dong)機軸(zhou)(zhou)中心(xin)線與負(fu)載機械軸(zhou)(zhou)中心(xin)線應(ying)重合(he), 
聯軸器軸向保留1~3mm間隙(xi)。 采用皮(pi)帶傳(chuan)達室動時,電動機軸中心線應與(yu)負載機械軸中心線平行(xing),皮(pi)帶中心線與(yu)軸中心線相互垂直。