防爆(bao)振動(dong)(dong)電(dian)(dian)機(ji)零部件(jian)水壓(ya)試驗(yan)(yan)(yan)工裝典型(xing)(xing)(xing)結(jie)構淺析根(gen)據GB 3836．2--2000《爆(bao)咋性氣(qi)體環境用(yong)電(dian)(dian)氣(qi)設(she)備 ?第2部分(fen)：隔爆(bao)型(xing)(xing)(xing)“d”》第3篇《檢查和(he)試驗(yan)(yan)(yan)》的(de)規(gui)定(ding)，YBZJ防爆(bao)型(xing)(xing)(xing)三相(xiang)異步振動(dong)(dong)電(dian)(dian)機(ji)型(xing)(xing)(xing)號(hao)，隔爆(bao)型(xing)(xing)(xing)電(dian)(dian)氣(qi)設(she)備外殼(ke)需進(jin)行(xing)耐(nai)壓(ya)試驗(yan)(yan)(yan)，目的(de)是驗(yan)(yan)(yan)證外殼(ke)能否有效地承受(shou)內部爆(bao)咋，江蘇防爆(bao)型(xing)(xing)(xing)三相(xiang)異步振動(dong)(dong)電(dian)(dian)機(ji)型(xing)(xing)(xing)號(hao)，耐(nai)壓(ya)試驗(yan)(yan)(yan)可(ke)用(yong)動(dong)(dong)壓(ya)試驗(yan)(yan)(yan)和(he)靜壓(ya)試驗(yan)(yan)(yan)兩(liang)種方(fang)法之一進(jin)行(xing)。 國內防爆(bao)振動(dong)(dong)電(dian)(dian)機(ji)批量生產中，YBZJ防爆(bao)型(xing)(xing)(xing)三相(xiang)異步振動(dong)(dong)電(dian)(dian)機(ji)型(xing)(xing)(xing)號(hao)，多采(cai)用(yong)靜壓(ya)試驗(yan)(yan)(yan)的(de)方(fang)法來判(pan)斷(duan)隔爆(bao)零部件(jian)承受(shou)壓(ya)力的(de)能力。它具(ju)有成本低、按全可(ke)靠、無污染等優點。

防(fang)(fang)爆(bao)(bao)(bao)(bao)振動電機防(fang)(fang)爆(bao)(bao)(bao)(bao)(隔爆(bao)(bao)(bao)(bao))型(xing)三相(xiang)異步(bu)(bu)振動電機是可以在(zai)爆(bao)(bao)(bao)(bao)咋(za)(za)性氣(qi)體(ti)環境中使用(yong)的(de)振動電機，采用(yong)隔爆(bao)(bao)(bao)(bao)外殼(ke)把可能(neng)產生火(huo)花、電弧和(he)高(gao)溫的(de)電氣(qi)部分(fen)與周圍(wei)的(de)爆(bao)(bao)(bao)(bao)咋(za)(za)性氣(qi)體(ti)嚴密隔離，可廣泛用(yong)于存在(zai)易(yi)然易(yi)暴氣(qi)體(ti)的(de)危險場所。防(fang)(fang)爆(bao)(bao)(bao)(bao)標志(zhi):EXdI，YBZJ防(fang)(fang)爆(bao)(bao)(bao)(bao)型(xing)三相(xiang)異步(bu)(bu)振動電機型(xing)號，(一類防(fang)(fang)爆(bao)(bao)(bao)(bao)設備)適(shi)用(yong)煤(mei)炭、礦山行(xing)業(瓦思、煤(mei)塵)。防(fang)(fang)爆(bao)(bao)(bao)(bao)標志(zhi):EXdII(二類防(fang)(fang)爆(bao)(bao)(bao)(bao)設備)適(shi)用(yong)化(hua)工(gong)、一藥、糧油行(xing)業(易(yi)然易(yi)暴氣(qi)體(ti))。

防爆(bao)振動(dong)(dong)電機(ji)軸(zhou)(zhou)(zhou)和軸(zhou)(zhou)(zhou)承(cheng)(cheng)室(shi)公差的選(xuan)擇與控制(zhi)(zhi)：軸(zhou)(zhou)(zhou)承(cheng)(cheng)壓入軸(zhou)(zhou)(zhou)承(cheng)(cheng)后應(ying)轉動(dong)(dong)靈活(huo)無(wu)阻滯感(gan)。如有(you)明顯轉動(dong)(dong)不靈活(huo)，則(ze)表明軸(zhou)(zhou)(zhou)的尺寸太大了，公差要下調。如軸(zhou)(zhou)(zhou)承(cheng)(cheng)壓入軸(zhou)(zhou)(zhou)后用手(shou)轉動(dong)(dong)有(you)明顯“沙(sha)沙(sha)”感(gan)，則(ze)可能是軸(zhou)(zhou)(zhou)的公差太大或(huo)軸(zhou)(zhou)(zhou)的圓(yuan)(yuan)度(du)不好(hao)。所以在控制(zhi)(zhi)好(hao)軸(zhou)(zhou)(zhou)和軸(zhou)(zhou)(zhou)承(cheng)(cheng)室(shi)公差時也要控制(zhi)(zhi)好(hao)圓(yuan)(yuan)度(du)，目(mu)前國內防爆(bao)振動(dong)(dong)電機(ji)廠家只對(dui)公差進行(xing)控制(zhi)(zhi)，沒(mei)有(you)對(dui)圓(yuan)(yuan)度(du)進行(xing)控制(zhi)(zhi)。