關于羅茨鼓風機轉子間摩擦碰撞的維修技巧
羅茨鼓(gu)風(feng)機(ji)(ji)兩(liang)轉子之間發生摩擦和碰(peng)撞是羅茨鼓(gu)風(feng)機(ji)(ji)最常見的故障。在運轉過程中,如(ru)能(neng)聽到明顯的碰(peng)撞聲(sheng),用(yong)手摸機(ji)(ji)殼能(neng)感到有輕微的震動時,應立(li)即停車(che)檢查。
首先不要(yao)急于(yu)拆卸,應對(dui)風(feng)(feng)機進行(xing)全面檢(jian)查。用(yong)(yong)手觸(chu)摸各部(bu)軸承外殼(ke)(ke)(ke)和(he)前后機外殼(ke)(ke)(ke)溫度是(shi)否(fou)正常(chang),用(yong)(yong)手或工(gong)具轉(zhuan)(zhuan)動聯軸器進行(xing)盤(pan)車,檢(jian)查風(feng)(feng)機轉(zhuan)(zhuan)動是(shi)否(fou)靈活。如各處溫度正常(chang),而(er)盤(pan)車時有(you)時輕(qing)時重的(de)感(gan)覺,有(you)“蹩勁(jing)”現(xian)象,即(ji)可確定兩(liang)轉(zhuan)(zhuan)子(zi)碰撞。如打開機上(shang)殼(ke)(ke)(ke),會(hui)觀察到轉(zhuan)(zhuan)子(zi)表面有(you)碰撞痕跡。如轉(zhuan)(zhuan)子(zi)的(de)一側表面發亮,有(you)麻(ma)點(dian)。
然(ran)后(hou)(hou)可以拆下齒(chi)輪(lun)(lun)(lun)箱外殼(ke),用手(shou)錘敲擊(ji)齒(chi)輪(lun)(lun)(lun)端六角(jiao)緊固(gu)螺母,觀(guan)察(cha)是(shi)否(fou)松(song)動(dong)(dong),止(zhi)退(tui)墊(dian)片(pian)是(shi)否(fou)失(shi)效(xiao)。再(zai)用撞(zhuang)擊(ji)法(fa)檢查主動(dong)(dong)軸(zhou)(zhou)上齒(chi)輪(lun)(lun)(lun)輪(lun)(lun)(lun)轂與(yu)(yu)鍵配合是(shi)否(fou)松(song)動(dong)(dong)。這種方(fang)法(fa)是(shi)用一根硬(ying)木放(fang)在間(jian)隙(xi)最小處的(de)兩轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)之間(jian),用手(shou)或工(gong)具轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)聯軸(zhou)(zhou)器,使兩轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)與(yu)(yu)硬(ying)木撞(zhuang)擊(ji)。撞(zhuang)擊(ji)時,觀(guan)察(cha)齒(chi)輪(lun)(lun)(lun)與(yu)(yu)軸(zhou)(zhou)有無相對運(yun)動(dong)(dong)。撞(zhuang)擊(ji)后(hou)(hou),再(zai)用塞尺復(fu)測此處間(jian)隙(xi)。如撞(zhuang)擊(ji)時齒(chi)輪(lun)(lun)(lun)與(yu)(yu)軸(zhou)(zhou)有相對運(yun)動(dong)(dong),撞(zhuang)擊(ji)后(hou)(hou)兩轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)間(jian)隙(xi)發生變化,即可確定主動(dong)(dong)齒(chi)輪(lun)(lun)(lun)輪(lun)(lun)(lun)轂與(yu)(yu)鍵配合松(song)動(dong)(dong)。這樣(yang),配換新(xin)鍵就可排除兩轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)子(zi)(zi)之間(jian)的(de)碰撞(zhuang)現象(xiang)。修理時間(jian)僅需2h,從而提高了羅茨鼓風機的(de)運(yun)轉(zhuan)(zhuan)(zhuan)(zhuan)(zhuan)率。

使用微信“掃一掃”功能添加“谷騰環保網”