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武侯如何對機械密封進行更換工作

發(fa)布時間(jian):2021-12-17 11:49:09 人(ren)氣:94740 來(lai)源:

  武侯機械密封利用(yong)機械方式(shi)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)在(zai)機械工程中應(ying)用(yong)非(fei)常廣泛(fan),有(you)多種(zhong)形(xing)式(shi),主(zhu)要包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒輪(lun)齒條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)能(neng)夠用(yong)于大(da)功率(lv)的(de)場合(he)(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準確,但一(yi)(yi)(yi)般要求較高的(de)制造精(jing)度和(he)(he)安裝精(jing)度。還有(you)一(yi)(yi)(yi)類(lei)是靠機件間的(de)摩擦力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力和(he)(he)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)(he)摩擦輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)容易實現無級(ji)變速(su),可以適應(ying)軸(zhou)間距(ju)較大(da)的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)場合(he)(he),而(er)過(guo)載打滑(hua)還能(neng)起到緩沖和(he)(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)作(zuo)用(yong),但這(zhe)種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)一(yi)(yi)(yi)般不(bu)能(neng)用(yong)于大(da)功率(lv)的(de)場合(he)(he),也不(bu)能(neng)保證準確的(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。


  傳動形式多,但是武侯機械密封的(de)(de)(de)更換工作大同小(xiao)異,首先拆前需(xu)確認電機(ji)處于(yu)檢修狀態,擰下加油(you)螺塞,用吸管把密(mi)封座腔內(nei)的(de)(de)(de)潤滑油(you)吸出。準(zhun)備好放置泵(beng)零(ling)件的(de)(de)(de)工作臺及拆裝工具,切勿(wu)任意亂放亂用,避免碰壞泵(beng)的(de)(de)(de)零(ling)部件。


  拆對分(fen)式聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi):先把聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)的(de)固定內六角螺釘擰下(xia)來,再輕輕把聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)的(de)一(yi)半從軸(zhou)(zhou)(zhou)上慢慢拉下(xia),注意不(bu)要掉(diao)了,再用梅花扳(ban)手擰下(xia)泵軸(zhou)(zhou)(zhou)吊緊螺栓和(he)擋(dang)塊,讓葉輪慢慢下(xia)沉至泵體,然后拆下(xia)另(ling)外一(yi)半聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi),拿下(xia)泵軸(zhou)(zhou)(zhou)擋(dang)圈。

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  拆卸武侯機械密封:抓住(zhu)密封彈(dan)簧順著泵軸(zhou)往(wang)上(shang)提,就能拆下來了(le)。


  拆(chai)卸并(bing)清(qing)洗軸(zhou)承(cheng)座(zuo)(zuo):先輕輕松動一下軸(zhou)承(cheng)座(zuo)(zuo)后用拆(chai)卸螺栓頂(ding)起軸(zhou)承(cheng)座(zuo)(zuo),并(bing)且(qie)沿著泵軸(zhou)往上提而卸下,再用噴氣燃料清(qing)洗軸(zhou)承(cheng)及座(zuo)(zuo),裝前晾干并(bing)涂抹少(shao)許20號機械油用來潤滑保護。


  拆密(mi)(mi)封(feng)(feng)座:擰下(xia)密(mi)(mi)封(feng)(feng)座壓緊螺母,輕輕卸下(xia)密(mi)(mi)封(feng)(feng)座并(bing)清(qing)洗。


  武侯機械密封裝(zhuang)配:在(zai)動(dong)、靜環(huan)(huan)鏡面上(shang)(shang)涂一層潔凈的20號(hao)潤(run)滑(hua)油(you),導軸承(cheng)座也抹上(shang)(shang)潤(run)滑(hua)油(you),先把靜環(huan)(huan)輕(qing)輕(qing)定位(wei)裝(zhuang)入導軸承(cheng)座,再在(zai)泵軸上(shang)(shang)抹上(shang)(shang)潤(run)滑(hua)油(you),把動(dong)環(huan)(huan)部分輕(qing)輕(qing)裝(zhuang)入泵軸上(shang)(shang),用手輕(qing)推密封環(huan)(huan)應能伸(shen)縮自如(ru),注意動(dong)、靜環(huan)(huan)部分的防轉(zhuan)部位(wei)需裝(zhuang)配到(dao)位(wei)。


  裝(zhuang)(zhuang)聯(lian)軸(zhou)器(qi)(qi)(qi):在電機軸(zhou)頭上裝(zhuang)(zhuang)上擋圈,裝(zhuang)(zhuang)上一半聯(lian)軸(zhou)器(qi)(qi)(qi),再在泵軸(zhou)端和聯(lian)軸(zhou)器(qi)(qi)(qi)槽內(nei)裝(zhuang)(zhuang)上擋塊(kuai)并用(yong)梅花扳手擰緊(jin)螺栓(shuan);再裝(zhuang)(zhuang)上另一半聯(lian)軸(zhou)器(qi)(qi)(qi)擰上內(nei)六角螺釘。安裝(zhuang)(zhuang)聯(lian)軸(zhou)器(qi)(qi)(qi)正確(que)的檢查要求:對分(fen)式聯(lian)軸(zhou)器(qi)(qi)(qi)上下間隙需(xu)要均勻,用(yong)手盤動聯(lian)軸(zhou)器(qi)(qi)(qi)幾圈檢查轉(zhuan)動的靈活性(xing)。


  裝(zhuang)密(mi)(mi)封(feng)(feng)座(zuo):先將密(mi)(mi)封(feng)(feng)座(zuo)裝(zhuang)入橡膠油封(feng)(feng),再把密(mi)(mi)封(feng)(feng)座(zuo)裝(zhuang)入泵蓋(gai)并壓(ya)在軸(zhou)承座(zuo)上,擰緊(jin)(jin)(jin)螺母,確保所有安裝(zhuang)螺釘緊(jin)(jin)(jin)固。當安裝(zhuang)螺釘被用作密(mi)(mi)封(feng)(feng)與軸(zhou)之(zhi)間的(de)驅動時,軸(zhou)應打埋頭孔(kong)來加固連接,緊(jin)(jin)(jin)固壓(ya)蓋(gai)螺栓時應該(gai)平穩緊(jin)(jin)(jin)固,并且不要使(shi)壓(ya)蓋(gai)受彈(dan)力(li)。在可(ke)能(neng)的(de)地方使(shi)用4個(ge)以(yi)上螺釘的(de)等間距壓(ya)蓋(gai),緊(jin)(jin)(jin)固壓(ya)蓋(gai)螺栓時,用塞尺檢查軸(zhou)與壓(ya)蓋(gai)之(zhi)間的(de)間隙,這(zhe)在密(mi)(mi)封(feng)(feng)腔對壓(ya)蓋(gai)不導向時,顯得(de)特別(bie)重要,因(yin)為壓(ya)蓋(gai)必(bi)須對中(zhong)。