變壓器繞線機是用來繞制變壓器線圈的專用設備,在變壓器的線圈生產過程中,按變壓器電壓等級或容量來劃分繞線設備,有繞制配電變壓器高、低壓線圈的自動排線繞線機和箔式線圈(quan)繞制(zhi)機(ji)(ji);有繞制(zhi)大(da)型電力(li)變壓器(qi)線圈(quan)的(de)立式繞線機(ji)(ji)和臥式繞線機(ji)(ji)。
自動繞線機廠家的(de)變(bian)壓器繞線機(ji)(ji)的(de)結構上主要由機(ji)(ji)身、機(ji)(ji)架、主軸機(ji)(ji)構和尾架支撐(cheng)、機(ji)(ji)座等部件組成,由于變(bian)壓器線圈有一定的(de)重(zhong)量(liang)同時加(jia)(jia)工時還需要承(cheng)受敲打(da)整(zheng)形的(de)外力,所(suo)以該繞線機(ji)(ji)機(ji)(ji)身、機(ji)(ji)架都(dou)采(cai)用承(cheng)受能(neng)力較強(qiang)的(de)鋼材,根據機(ji)(ji)型加(jia)(jia)工能(neng)力的(de)大(da)小分為小型、中、大(da)型三類,承(cheng)重(zhong)能(neng)力也(ye)不相同。
主軸(zhou)系統是變(bian)壓(ya)器(qi)繞線機(ji)的(de)(de)關鍵部件,它將(jiang)電(dian)動機(ji)的(de)(de)動力(li)通(tong)過多級(ji)減(jian)速(su)后將(jiang)轉(zhuan)矩放大輸出,已滿(man)足(zu)變(bian)壓(ya)器(qi)線圈纏繞的(de)(de)加(jia)工,一般都采(cai)用(yong)電(dian)機(ji)+減(jian)速(su)機(ji)構(gou)(gou)這樣的(de)(de)結構(gou)(gou)來配(pei)置,變(bian)速(su)機(ji)構(gou)(gou)一般都采(cai)用(yong)電(dian)機(ji)變(bian)頻變(bian)速(su)或者減(jian)速(su)機(ji)檔(dang)位切換(huan)來實(shi)現。
現在使(shi)用(yong)(yong)(yong)的(de)(de)變壓(ya)器(qi)容量(liang)越大,對電網的(de)(de)影響也越大,要求其(qi)安(an)全性也越來(lai)越高(gao)。變壓(ya)器(qi)的(de)(de)制(zhi)造質量(liang)表(biao)現,不僅要求電氣性能(neng)可靠(kao),機械穩(wen)定性、抗短(duan)路能(neng)力(li)也應更加可靠(kao)。穩(wen)定性主(zhu)要表(biao)現在線(xian)(xian)(xian)圈(quan)的(de)(de)制(zhi)造過程控制(zhi)上,即(ji)要求高(gao)低壓(ya)線(xian)(xian)(xian)圈(quan)電磁平(ping)衡,軸(zhou)(zhou)向匝間緊(jin)(jin)(jin)密(mi)、分布均勻。因(yin)此要求線(xian)(xian)(xian)圈(quan)繞(rao)(rao)制(zhi)過程軸(zhou)(zhou)向要壓(ya)緊(jin)(jin)(jin),徑向要卷緊(jin)(jin)(jin),采用(yong)(yong)(yong)立(li)式繞(rao)(rao)線(xian)(xian)(xian)機正(zheng)好利用(yong)(yong)(yong)線(xian)(xian)(xian)餅的(de)(de)自重(zhong),軸(zhou)(zhou)向自然壓(ya)緊(jin)(jin)(jin),徑向使(shi)用(yong)(yong)(yong)張緊(jin)(jin)(jin)裝置控制(zhi)張力(li)大小。所以現在大型變壓(ya)器(qi)中高(gao)壓(ya)線(xian)(xian)(xian)圈(quan)的(de)(de)繞(rao)(rao)制(zhi)普遍(bian)采用(yong)(yong)(yong)了立(li)式繞(rao)(rao)線(xian)(xian)(xian)機,即(ji)使(shi)是低壓(ya)螺旋式線(xian)(xian)(xian)圈(quan)也采用(yong)(yong)(yong)了立(li)式繞(rao)(rao)線(xian)(xian)(xian)機生(sheng)產(chan)。
自動繞線機廠家現在(zai)的立式繞(rao)(rao)(rao)線(xian)(xian)(xian)機進一(yi)步(bu)向(xiang)大(da)型(xing)化(hua)發(fa)展。原有的立式繞(rao)(rao)(rao)線(xian)(xian)(xian)機載重只有20t,現在(zai)已提高到(dao)40t,線(xian)(xian)(xian)圈直徑大(da)使(shi)(shi)用(yong)到(dao)3500mm,大(da)高度達到(dao)到(dao) 4000mm。使(shi)(shi)用(yong)了(le)(le)氣囊板式張緊裝置,而且數字顯(xian)示張力大(da)小(xiao)(xiao),張力控(kong)制(zhi)更加(jia)準確、穩定(ding)可靠。為(wei)了(le)(le)提高所繞(rao)(rao)(rao)線(xian)(xian)(xian)圈尺(chi)寸精(jing)度,控(kong)制(zhi)立式繞(rao)(rao)(rao)線(xian)(xian)(xian)機徑向(xiang)跳(tiao)動,增(zeng)加(jia)了(le)(le)繞(rao)(rao)(rao)線(xian)(xian)(xian)模(mo)軸頭固定(ding)裝置;為(wei)了(le)(le)控(kong)制(zhi)軸向(xiang)跳(tiao)動,使(shi)(shi)用(yong)了(le)(le)高精(jing)度雙排(pai)輥式大(da)型(xing)軸承(cheng)。因此,通過(guo)使(shi)(shi)用(yong)線(xian)(xian)(xian)圈繞(rao)(rao)(rao)制(zhi)專用(yong)設備,使(shi)(shi)繞(rao)(rao)(rao)組(zu)生產達到(dao)一(yi)個新的水平。從而使(shi)(shi)變壓器進一(yi)步(bu)降低損耗、減(jian)小(xiao)(xiao)局放、減(jian)輕重量(liang)、降低成本有了(le)(le)可能。
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