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五峰如何對機械密封進行更換工作

發布時間:2021-06-01 15:17:49 人氣:172461 來源:川工密封

  五峰機械密封利用(yong)(yong)機(ji)(ji)械方式傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)力(li)(li)和運動(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong),機(ji)(ji)械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)在機(ji)(ji)械工程(cheng)中應(ying)(ying)用(yong)(yong)非(fei)常廣(guang)泛,有多種形(xing)式,主要(yao)包括皮帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒(chi)(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、蝸(gua)桿蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒(chi)(chi)輪齒(chi)(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和螺(luo)旋(xuan)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。齒(chi)(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)能(neng)夠用(yong)(yong)于大功率(lv)的(de)(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比準確,但(dan)一(yi)般要(yao)求較(jiao)高(gao)的(de)(de)制造精度和安裝精度。還(huan)有一(yi)類(lei)是靠機(ji)(ji)件間的(de)(de)摩(mo)擦力(li)(li)傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)力(li)(li)和運動(dong)(dong)的(de)(de)摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong),包括帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和摩(mo)擦輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。摩(mo)擦傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)容易實(shi)現(xian)無(wu)級(ji)變速,可以適應(ying)(ying)軸間距較(jiao)大的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)場(chang)合,而過載打滑(hua)還(huan)能(neng)起到緩沖和保(bao)護(hu)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)裝置的(de)(de)作用(yong)(yong),但(dan)這種傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)一(yi)般不(bu)能(neng)用(yong)(yong)于大功率(lv)的(de)(de)場(chang)合,也不(bu)能(neng)保(bao)證準確的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比。

  傳動形式多,但是五峰機械密封的更換(huan)工(gong)作大同小異(yi),首(shou)先(xian)拆前需確認電機(ji)處(chu)于檢(jian)修狀態,擰下加油螺塞,用吸管把密封座腔內(nei)的潤滑油吸出。準備好(hao)放(fang)置泵零件的工(gong)作臺及拆裝工(gong)具,切勿任(ren)意亂放(fang)亂用,避免碰壞(huai)泵的零部件。

  拆(chai)對分式(shi)聯軸(zhou)器:先把(ba)聯軸(zhou)器的固定內(nei)六(liu)角螺(luo)釘擰下(xia)來,再(zai)輕輕把(ba)聯軸(zhou)器的一半從軸(zhou)上(shang)慢(man)(man)慢(man)(man)拉下(xia),注意(yi)不要(yao)掉了(le),再(zai)用梅(mei)花扳手擰下(xia)泵軸(zhou)吊(diao)緊螺(luo)栓(shuan)和擋塊,讓葉輪慢(man)(man)慢(man)(man)下(xia)沉至泵體(ti),然后拆(chai)下(xia)另(ling)外一半聯軸(zhou)器,拿下(xia)泵軸(zhou)擋圈。

  拆卸五峰機械密封:抓住密(mi)封彈簧順著泵軸往上提(ti),就(jiu)能拆下來了。

  拆卸并(bing)清洗軸承座(zuo):先(xian)輕輕松動一下軸承座(zuo)后(hou)用拆卸螺(luo)栓頂(ding)起軸承座(zuo),并(bing)且(qie)沿(yan)著泵軸往上提而卸下,再用噴氣燃料清洗軸承及座(zuo),裝前(qian)晾干并(bing)涂抹少(shao)許20號機械(xie)油用來潤滑(hua)保護。

  拆密封(feng)座(zuo):擰下(xia)密封(feng)座(zuo)壓緊(jin)螺母,輕輕卸(xie)下(xia)密封(feng)座(zuo)并清洗。

  五峰機械密封裝配(pei):在(zai)動、靜環(huan)鏡面上(shang)涂一層潔凈的(de)20號潤(run)滑(hua)油,導軸(zhou)承(cheng)座也抹(mo)上(shang)潤(run)滑(hua)油,先把靜環(huan)輕輕定位(wei)裝入導軸(zhou)承(cheng)座,再在(zai)泵(beng)軸(zhou)上(shang)抹(mo)上(shang)潤(run)滑(hua)油,把動環(huan)部(bu)分(fen)輕輕裝入泵(beng)軸(zhou)上(shang),用手輕推密封(feng)環(huan)應能伸縮自(zi)如,注意(yi)動、靜環(huan)部(bu)分(fen)的(de)防(fang)轉部(bu)位(wei)需裝配(pei)到位(wei)。

  裝(zhuang)聯軸(zhou)(zhou)器(qi)(qi):在(zai)(zai)電機軸(zhou)(zhou)頭上裝(zhuang)上擋圈(quan),裝(zhuang)上一(yi)半(ban)聯軸(zhou)(zhou)器(qi)(qi),再(zai)在(zai)(zai)泵軸(zhou)(zhou)端和聯軸(zhou)(zhou)器(qi)(qi)槽內裝(zhuang)上擋塊(kuai)并用梅花(hua)扳手擰緊螺(luo)栓;再(zai)裝(zhuang)上另一(yi)半(ban)聯軸(zhou)(zhou)器(qi)(qi)擰上內六角螺(luo)釘。安裝(zhuang)聯軸(zhou)(zhou)器(qi)(qi)正確(que)的檢查要求:對分式聯軸(zhou)(zhou)器(qi)(qi)上下間隙(xi)需要均勻,用手盤動聯軸(zhou)(zhou)器(qi)(qi)幾圈(quan)檢查轉動的靈活性。

  裝(zhuang)密(mi)封(feng)(feng)(feng)(feng)座(zuo)(zuo):先(xian)將(jiang)密(mi)封(feng)(feng)(feng)(feng)座(zuo)(zuo)裝(zhuang)入橡膠油封(feng)(feng)(feng)(feng),再(zai)把(ba)密(mi)封(feng)(feng)(feng)(feng)座(zuo)(zuo)裝(zhuang)入泵(beng)蓋并壓(ya)(ya)在(zai)(zai)軸(zhou)承座(zuo)(zuo)上,擰(ning)緊(jin)(jin)螺(luo)母,確保所有安(an)裝(zhuang)螺(luo)釘(ding)緊(jin)(jin)固(gu)。當安(an)裝(zhuang)螺(luo)釘(ding)被用作密(mi)封(feng)(feng)(feng)(feng)與(yu)(yu)軸(zhou)之間的(de)驅動時,軸(zhou)應打埋(mai)頭孔來加固(gu)連接,緊(jin)(jin)固(gu)壓(ya)(ya)蓋螺(luo)栓時應該(gai)平穩緊(jin)(jin)固(gu),并且不(bu)要使壓(ya)(ya)蓋受彈(dan)力。在(zai)(zai)可能的(de)地(di)方使用4個以上螺(luo)釘(ding)的(de)等間距壓(ya)(ya)蓋,緊(jin)(jin)固(gu)壓(ya)(ya)蓋螺(luo)栓時,用塞尺(chi)檢查軸(zhou)與(yu)(yu)壓(ya)(ya)蓋之間的(de)間隙,這在(zai)(zai)密(mi)封(feng)(feng)(feng)(feng)腔對壓(ya)(ya)蓋不(bu)導向時,顯得(de)特別重要,因(yin)為壓(ya)(ya)蓋必須對中(zhong)。