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(dong)機—般安裝(zhuang)在室(shi)內清潔、干(gan)燥的場(chang)所,周(zhou)圍必(bi)須通風(feng)良(liang)好(hao),環境空氣最(zui)高(gao)溫(wen)度不超過(guo)40℃,最(zui)低溫(wen)度不低于-15℃,并(bing)應防止強烈的熱(re)輻射。  
2、按接(jie)線(xian)(xian)(xian)圖接(jie)電(dian)源線(xian)(xian)(xian)接(jie)線(xian)(xian)(xian)頭連(lian)接(jie)要緊固,帶引(yin)出電(dian)纜(lan)、電(dian)線(xian)(xian)(xian)的電(dian)動機,可直(zhi)接(jie)和電(dian)源線(xian)(xian)(xian)連(lian)接(jie),接(jie)頭處要絕緣密封。 
3、當電(dian)源線(xian),相序和電(dian)動粗接線(xian)頭標(biao)志對應連(lian)接時,從軸伸端看電(dian)動機順時針旋轉。需要改變(bian)轉向時,改變(bian)兩根電(dian)源線(xian)接線(xian)的位置即(ji)可。 
4、YD系列(lie)等變級(ji)多速異步電(dian)(dian)動機是利(li)用換接引出線的(de)(de)方(fang)法來控(kong)制轉速變化的(de)(de),為保證(zheng)多速電(dian)(dian)動機運行的(de)(de)可靠性,設計和操作控(kong)制裝置時(shi)應注意(yi),在(zai)高速切換為低(di)速時(shi),必須(xu)在(zai)切斷電(dian)(dian)源的(de)(de)同時(shi)斷開(kai)2Y接線的(de)(de)中性點,以免在(zai)低(di)速繞組(zu)接通時(shi)引起電(dian)(dian)源短路.在(zai)高速切換為低(di)速的(de)(de)過(guo)程中,必續待電(dian)(dian)動機停轉后才能接通低(di)速繞組(zu)的(de)(de)電(dian)(dian)源,以減(jian)少(shao)對電(dian)(dian)動機及負載的(de)(de)沖擊(ji).轉速切換要(yao)注意(yi)電(dian)(dian)動機的(de)(de)轉向。 
5、電(dian)動(dong)機可以(yi)采(cai)有聯(lian)軸(zhou)(zhou)(zhou)器,齒輪(lun)、皮帶與(yu)負載機械(xie)聯(lian)接(jie),4kw以(yi)上的(de)2極電(dian)動(dong)機30kw以(yi)上的(de)4極電(dian)動(dong)機不宜用(yong)皮帶傳動(dong),雙(shuang)軸(zhou)(zhou)(zhou)伸電(dian)動(dong)的(de)第二軸(zhou)(zhou)(zhou)伸只(zhi)能用(yong)聯(lian)軸(zhou)(zhou)(zhou)囂傳動(dong)。聯(lian)軸(zhou)(zhou)(zhou)器、皮帶輪(lun)軸(zhou)(zhou)(zhou)孔與(yu)電(dian)動(dong)機軸(zhou)(zhou)(zhou)的(de)配合松緊應合適(shi),安裝時嚴(yan)禁(jin)用(yong)重(zhong)錘敲擊。采(cai)用(yong)聯(lian)軸(zhou)(zhou)(zhou)器傳動(dong)時,電(dian)動(dong)機軸(zhou)(zhou)(zhou)中心線與(yu)負載機械(xie)軸(zhou)(zhou)(zhou)中心線應重(zhong)合, 
聯軸(zhou)器軸(zhou)向保留1~3mm間隙。 采(cai)用皮帶(dai)傳達室動時,電(dian)動機軸(zhou)中(zhong)心線(xian)應與(yu)負載機械軸(zhou)中(zhong)心線(xian)平行,皮帶(dai)中(zhong)心線(xian)與(yu)軸(zhou)中(zhong)心線(xian)相互垂(chui)直。