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隆子如何對機械密封進行更換工作

發布時(shi)間:2021-06-01 15:17:49 人氣:172237 來源:川工密封

  隆子機械密封利(li)用機械方式(shi)傳(chuan)遞(di)動(dong)(dong)(dong)(dong)力和(he)(he)運(yun)動(dong)(dong)(dong)(dong)的傳(chuan)動(dong)(dong)(dong)(dong),機械傳(chuan)動(dong)(dong)(dong)(dong)在(zai)機械工程中應(ying)用非(fei)常廣泛,有多(duo)種形(xing)式(shi),主要包括(kuo)(kuo)皮(pi)帶(dai)傳(chuan)動(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)動(dong)(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)、齒輪(lun)齒條傳(chuan)動(dong)(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)動(dong)(dong)(dong)(dong)等。齒輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)能(neng)(neng)夠(gou)用于(yu)(yu)大功率的場(chang)(chang)合(he),傳(chuan)動(dong)(dong)(dong)(dong)比準確,但一般要求較高(gao)的制造(zao)精度和(he)(he)安裝(zhuang)精度。還有一類是(shi)靠機件間的摩擦(ca)力傳(chuan)遞(di)動(dong)(dong)(dong)(dong)力和(he)(he)運(yun)動(dong)(dong)(dong)(dong)的摩擦(ca)傳(chuan)動(dong)(dong)(dong)(dong),包括(kuo)(kuo)帶(dai)傳(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)動(dong)(dong)(dong)(dong)和(he)(he)摩擦(ca)輪(lun)傳(chuan)動(dong)(dong)(dong)(dong)等。摩擦(ca)傳(chuan)動(dong)(dong)(dong)(dong)容易(yi)實現無級變速,可(ke)以適應(ying)軸間距較大的傳(chuan)動(dong)(dong)(dong)(dong)場(chang)(chang)合(he),而過載打滑還能(neng)(neng)起到緩沖(chong)和(he)(he)保護傳(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置的作用,但這種傳(chuan)動(dong)(dong)(dong)(dong)一般不(bu)能(neng)(neng)用于(yu)(yu)大功率的場(chang)(chang)合(he),也(ye)不(bu)能(neng)(neng)保證準確的傳(chuan)動(dong)(dong)(dong)(dong)比。

  傳動形式多,但是隆子機械密封的(de)更換(huan)工(gong)作大(da)同小異,首(shou)先拆前需確認電機處(chu)于(yu)檢(jian)修(xiu)狀態,擰下加油螺(luo)塞,用吸管把密(mi)封座腔(qiang)內(nei)的(de)潤滑油吸出。準備(bei)好(hao)放置泵(beng)零件的(de)工(gong)作臺及拆裝工(gong)具,切勿任意亂(luan)放亂(luan)用,避免碰壞泵(beng)的(de)零部件。

  拆(chai)對(dui)分式聯(lian)(lian)軸(zhou)(zhou)器(qi):先把(ba)聯(lian)(lian)軸(zhou)(zhou)器(qi)的(de)固定內六角螺釘擰(ning)下來,再輕(qing)輕(qing)把(ba)聯(lian)(lian)軸(zhou)(zhou)器(qi)的(de)一(yi)(yi)半(ban)從軸(zhou)(zhou)上(shang)慢慢拉下,注意不要掉了(le),再用(yong)梅花扳手擰(ning)下泵(beng)軸(zhou)(zhou)吊緊螺栓和擋塊,讓葉輪慢慢下沉至(zhi)泵(beng)體,然后拆(chai)下另外一(yi)(yi)半(ban)聯(lian)(lian)軸(zhou)(zhou)器(qi),拿下泵(beng)軸(zhou)(zhou)擋圈。

  拆卸隆子機械密封:抓住(zhu)密(mi)封彈簧順著泵(beng)軸往(wang)上提,就能拆下(xia)來了。

  拆(chai)卸并(bing)清(qing)洗軸(zhou)承(cheng)座:先輕(qing)輕(qing)松動一下(xia)軸(zhou)承(cheng)座后(hou)用拆(chai)卸螺栓頂起軸(zhou)承(cheng)座,并(bing)且沿著泵軸(zhou)往上提而卸下(xia),再用噴氣燃料清(qing)洗軸(zhou)承(cheng)及(ji)座,裝前晾干并(bing)涂抹少許20號機械油用來潤滑(hua)保護(hu)。

  拆密封座(zuo):擰下(xia)(xia)密封座(zuo)壓(ya)緊螺(luo)母,輕輕卸下(xia)(xia)密封座(zuo)并清洗。

  隆子機械密封裝配:在動(dong)、靜環(huan)(huan)鏡面上涂一層潔凈的20號潤(run)滑(hua)油(you),導軸(zhou)承座也抹上潤(run)滑(hua)油(you),先把靜環(huan)(huan)輕輕定(ding)位裝入(ru)導軸(zhou)承座,再(zai)在泵軸(zhou)上抹上潤(run)滑(hua)油(you),把動(dong)環(huan)(huan)部(bu)分(fen)輕輕裝入(ru)泵軸(zhou)上,用手輕推密封環(huan)(huan)應(ying)能伸縮自如,注(zhu)意動(dong)、靜環(huan)(huan)部(bu)分(fen)的防轉部(bu)位需(xu)裝配到位。

  裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)器:在(zai)電機(ji)軸(zhou)(zhou)(zhou)頭上裝(zhuang)上擋圈(quan),裝(zhuang)上一半聯(lian)(lian)軸(zhou)(zhou)(zhou)器,再在(zai)泵(beng)軸(zhou)(zhou)(zhou)端(duan)和聯(lian)(lian)軸(zhou)(zhou)(zhou)器槽內(nei)裝(zhuang)上擋塊并(bing)用梅花扳手擰(ning)緊螺栓;再裝(zhuang)上另(ling)一半聯(lian)(lian)軸(zhou)(zhou)(zhou)器擰(ning)上內(nei)六角(jiao)螺釘。安裝(zhuang)聯(lian)(lian)軸(zhou)(zhou)(zhou)器正確的(de)檢(jian)查(cha)要(yao)(yao)求:對分(fen)式聯(lian)(lian)軸(zhou)(zhou)(zhou)器上下(xia)間(jian)隙(xi)需要(yao)(yao)均勻,用手盤(pan)動(dong)(dong)聯(lian)(lian)軸(zhou)(zhou)(zhou)器幾圈(quan)檢(jian)查(cha)轉(zhuan)動(dong)(dong)的(de)靈活性。

  裝密(mi)封(feng)座:先將(jiang)密(mi)封(feng)座裝入橡膠(jiao)油封(feng),再把密(mi)封(feng)座裝入泵蓋(gai)(gai)并壓(ya)(ya)在(zai)(zai)軸(zhou)承座上,擰(ning)緊螺(luo)母,確保所有安裝螺(luo)釘緊固(gu)(gu)(gu)(gu)。當(dang)安裝螺(luo)釘被用(yong)作(zuo)密(mi)封(feng)與軸(zhou)之(zhi)(zhi)間的(de)驅動時(shi),軸(zhou)應打埋(mai)頭孔(kong)來加(jia)固(gu)(gu)(gu)(gu)連接,緊固(gu)(gu)(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)栓時(shi)應該平(ping)穩緊固(gu)(gu)(gu)(gu),并且(qie)不(bu)要使壓(ya)(ya)蓋(gai)(gai)受彈力。在(zai)(zai)可能的(de)地方使用(yong)4個以上螺(luo)釘的(de)等(deng)間距壓(ya)(ya)蓋(gai)(gai),緊固(gu)(gu)(gu)(gu)壓(ya)(ya)蓋(gai)(gai)螺(luo)栓時(shi),用(yong)塞尺檢(jian)查軸(zhou)與壓(ya)(ya)蓋(gai)(gai)之(zhi)(zhi)間的(de)間隙,這在(zai)(zai)密(mi)封(feng)腔對壓(ya)(ya)蓋(gai)(gai)不(bu)導向時(shi),顯(xian)得特別(bie)重要,因為(wei)壓(ya)(ya)蓋(gai)(gai)必須對中。