降低滾筒輸送機NMRV150-20-4KW減速機損壞的預防措

文章(zhang)出處：admin 人氣：發表時間：2019-09-16 12:43

降(jiang)低滾(gun)(gun)筒(tong)輸送(song)機(ji)NMRV150-20-4KW減速(su)(su)機(ji)損(sun)壞的(de)預防(fang)措(cuo)施。滾(gun)(gun)筒(tong)輸送(song)機(ji)適用于(yu)底部(bu)是平(ping)面的(de)物(wu)品輸送(song)，主要由傳動(dong)滾(gun)(gun)筒(tong)、機(ji)架、支架、驅(qu)動(dong)裝置等部(bu)分組成。具(ju)有輸送(song)量大，速(su)(su)度快，運轉(zhuan)輕快，能夠實現(xian)多品種共(gong)線分流輸送(song)的(de)特點。為(wei)實現(xian)滾(gun)(gun)筒(tong)輸送(song)機(ji)異常情況下帶載啟停要求，設(she)計了盤式制(zhi)動(dong)系統，人(ren)為(wei)建立(li)起一(yi)定(ding)力矩時開閘運行，速(su)(su)度低于(yu)0.2m/s時進行制(zhi)動(dong)。降低滾筒輸送機NMRV150-20-4KW減速機損壞的預防(fang)措(cuo)施

NMRV150-20-4KW減速機,NMRV150減速器,NMRV150減速機

由于輸送帶負(fu)荷變(bian)化(hua)的(de)多樣性，制動(dong)(dong)系統(tong)啟停(ting)時發生瞬間(jian)倒車或瞬間(jian)飛車現(xian)象，造成(cheng)蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)(gan)減(jian)速(su)機受到外力的(de)強烈沖擊，出(chu)現(xian)損壞現(xian)象。滾筒(tong)輸送機為雙直(zhi)(zhi)流電(dian)(dian)機拖動(dong)(dong)，直(zhi)(zhi)流電(dian)(dian)機在運行過(guo)(guo)程中電(dian)(dian)樞產生的(de)軸(zhou)(zhou)電(dian)(dian)流和(he)(he)(he)盤(pan)式制動(dong)(dong)器摩擦產生的(de)電(dian)(dian)荷積聚，在軸(zhou)(zhou)承(cheng)轉(zhuan)速(su)很低時，由于齒(chi)面(mian)和(he)(he)(he)鋼球上(shang)沒有(you)形(xing)成(cheng)油(you)脂薄膜(mo)，軸(zhou)(zhou)承(cheng)上(shang)的(de)金(jin)屬由于接觸而導電(dian)(dian)，通過(guo)(guo)聯軸(zhou)(zhou)節、蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)(gan)、軸(zhou)(zhou)承(cheng)、RV減(jian)速(su)機外殼和(he)(he)(he)共同基礎底盤(pan)形(xing)成(cheng)電(dian)(dian)流回路，當循(xun)環電(dian)(dian)流流過(guo)(guo)軸(zhou)(zhou)承(cheng)時，放電(dian)(dian)會(hui)引起(qi)電(dian)(dian)化(hua)腐蝕和(he)(he)(he)機械損傷(shang)，重復放電(dian)(dian)逐(zhu)漸侵蝕了蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)(gan)減(jian)速(su)機的(de)齒(chi)面(mian)和(he)(he)(he)軸(zhou)(zhou)承(cheng)的(de)滾道，長時間(jian)的(de)侵蝕會(hui)在軸(zhou)(zhou)承(cheng)滾道內產生搓板樣條狀燒傷(shang)痕(hen)跡、麻(ma)點(dian)，并日益擴大，軸(zhou)(zhou)承(cheng)在運轉(zhuan)時產生振動(dong)(dong)和(he)(he)(he)噪音導致損傷(shang)；NMRV150減(jian)速(su)機在各(ge)不利工況綜合作用的(de)條件下長期運行，一段時間(jian)后(hou)軸(zhou)(zhou)承(cheng)和(he)(he)(he)蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)(gan)損傷(shang)量(liang)的(de)積累(lei)達到某一界限，喪(sang)失了對(dui)其規定(ding)的(de)某種功能，造成(cheng)蝸(gua)(gua)輪(lun)蝸(gua)(gua)桿(gan)(gan)減(jian)速(su)機加劇損壞。

為(wei)防止滾筒輸(shu)送機(ji)制動系統啟停時，發生瞬間(jian)(jian)倒車或瞬間(jian)(jian)飛車對(dui)RV減(jian)速(su)機(ji)的沖擊，增加(jia)逆(ni)止器(qi)(qi)(qi)在快軸(zhou)上，運(yun)行(xing)時逆(ni)止器(qi)(qi)(qi)優先動作自由制動，盤(pan)(pan)式(shi)制動閘進(jin)行(xing)安(an)全制動，減(jian)少外(wai)力沖擊。在蝸輪蝸桿減(jian)速(su)機(ji)兩軸(zhou)伸端各加(jia)裝一副(fu)地(di)(di)碳(tan)刷(shua)，將接地(di)(di)碳(tan)刷(shua)與(yu)轉(zhuan)軸(zhou)可靠接觸并良好接地(di)(di)，對(dui)電(dian)(dian)(dian)機(ji)感應(ying)軸(zhou)電(dian)(dian)(dian)流和盤(pan)(pan)式(shi)制動器(qi)(qi)(qi)摩擦電(dian)(dian)(dian)荷(he)進(jin)行(xing)可靠放(fang)電(dian)(dian)(dian)，隨時將電(dian)(dian)(dian)荷(he)引向大地(di)(di)，保證軸(zhou)電(dian)(dian)(dian)位為(wei)零電(dian)(dian)(dian)位，并對(dui)電(dian)(dian)(dian)動機(ji)非軸(zhou)身端對(dui)地(di)(di)絕緣，依(yi)此消除軸(zhou)電(dian)(dian)(dian)流，避免(mian)對(dui)RV減(jian)速(su)電(dian)(dian)(dian)機(ji)的電(dian)(dian)(dian)化(hua)腐蝕。

防(fang)范措(cuo)(cuo)施(shi)及效果：加(jia)強油(you)(you)脂管(guan)理，嚴格按照使(shi)用要求的(de)油(you)(you)質(zhi)和油(you)(you)量進行(xing)添加(jia)或更換(huan)，及時(shi)(shi)清洗更換(huan)濾芯去除(chu)水分，并(bing)在蝸輪(lun)蝸桿減速(su)(su)機(ji)內部和回油(you)(you)處設磁性(xing)過濾裝置來(lai)過濾金屬雜質(zhi)，確(que)保設備(bei)運行(xing)在比(bi)較(jiao)好的(de)工作(zuo)狀態。運行(xing)監測除(chu)軸承溫度(du)外，應定期(qi)監測RV減速(su)(su)機(ji)的(de)振(zhen)動(dong)速(su)(su)度(du)，因軸承損壞主要是高頻振(zhen)動(dong)，監測振(zhen)動(dong)位移時(shi)(shi)發(fa)現軸承故障(zhang)(zhang)不敏感(gan)，若(ruo)振(zhen)動(dong)烈度(du)達到4.5mm/s,應進行(xing)頻譜分析以便早期(qi)發(fa)現故障(zhang)(zhang)，采取措(cuo)(cuo)施(shi)

降低滾筒輸送(song)機NMRV150-20-4KW減速機損壞的預防措施

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