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金臺如何對機械密封進行更換工作

發(fa)布時間:2021-06-01 15:17:49 人氣(qi):172437 來源:川工密封

  金臺機械密封利用機(ji)(ji)械方式傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機(ji)(ji)械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在(zai)機(ji)(ji)械工程中應(ying)用非(fei)常廣泛,有(you)多種形(xing)式,主要包括皮(pi)帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪(lun)齒條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。齒輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用于大功率(lv)的(de)(de)(de)場合,傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比準(zhun)確,但(dan)一般要求較高的(de)(de)(de)制(zhi)造精度和(he)(he)安裝精度。還有(you)一類是靠機(ji)(ji)件間(jian)的(de)(de)(de)摩(mo)擦(ca)力傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)(he)摩(mo)擦(ca)輪(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。摩(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容易實現無級變速(su),可以適應(ying)軸間(jian)距較大的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場合,而過載(zai)打滑還能起到緩沖和(he)(he)保(bao)護傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)(de)作用,但(dan)這種傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一般不能用于大功率(lv)的(de)(de)(de)場合,也(ye)不能保(bao)證準(zhun)確的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比。

  傳動形式多,但是金臺機械密封的(de)(de)更換工(gong)作大同小異,首先拆(chai)前需確認(ren)電機處于檢修狀(zhuang)態,擰(ning)下加油螺塞,用(yong)吸管把密封座腔內的(de)(de)潤滑(hua)油吸出(chu)。準備好放(fang)置(zhi)泵(beng)零件的(de)(de)工(gong)作臺及拆(chai)裝工(gong)具,切勿任意亂放(fang)亂用(yong),避免碰壞泵(beng)的(de)(de)零部件。

  拆對(dui)分式聯軸(zhou)(zhou)器(qi):先把(ba)聯軸(zhou)(zhou)器(qi)的(de)固定內六角螺釘(ding)擰下來,再輕(qing)輕(qing)把(ba)聯軸(zhou)(zhou)器(qi)的(de)一半從軸(zhou)(zhou)上(shang)慢(man)慢(man)拉下,注意不要掉(diao)了(le),再用梅(mei)花扳(ban)手擰下泵(beng)軸(zhou)(zhou)吊緊螺栓和擋塊,讓葉輪慢(man)慢(man)下沉(chen)至(zhi)泵(beng)體,然后拆下另外一半聯軸(zhou)(zhou)器(qi),拿下泵(beng)軸(zhou)(zhou)擋圈。

  拆卸金臺機械密封:抓住密封彈(dan)簧順著泵軸往上提,就能拆下來了。

  拆卸并清洗軸承座:先輕輕松(song)動一下(xia)軸承座后(hou)用拆卸螺栓(shuan)頂起軸承座,并且沿著泵軸往上提(ti)而卸下(xia),再用噴氣(qi)燃料清洗軸承及座,裝前晾干并涂抹少許20號機械油(you)用來(lai)潤(run)滑(hua)保護。

  拆密封(feng)座:擰下密封(feng)座壓(ya)緊(jin)螺母,輕輕卸下密封(feng)座并清洗。

  金臺機械密封裝(zhuang)配:在動(dong)、靜(jing)(jing)環(huan)(huan)鏡面上(shang)(shang)涂一層潔凈的20號潤(run)滑(hua)油,導軸承座(zuo)(zuo)也抹上(shang)(shang)潤(run)滑(hua)油,先(xian)把(ba)靜(jing)(jing)環(huan)(huan)輕輕定位裝(zhuang)入導軸承座(zuo)(zuo),再在泵軸上(shang)(shang)抹上(shang)(shang)潤(run)滑(hua)油,把(ba)動(dong)環(huan)(huan)部(bu)分輕輕裝(zhuang)入泵軸上(shang)(shang),用手輕推密封環(huan)(huan)應能(neng)伸縮(suo)自如,注意(yi)動(dong)、靜(jing)(jing)環(huan)(huan)部(bu)分的防轉部(bu)位需(xu)裝(zhuang)配到(dao)位。

  裝聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi):在(zai)電(dian)機軸(zhou)(zhou)頭(tou)上(shang)裝上(shang)擋圈,裝上(shang)一(yi)半(ban)聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi),再在(zai)泵軸(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)槽內裝上(shang)擋塊并用(yong)梅花扳手擰(ning)緊螺栓(shuan);再裝上(shang)另一(yi)半(ban)聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)擰(ning)上(shang)內六角螺釘。安裝聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)正確的檢查要求:對分(fen)式聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)上(shang)下間隙需(xu)要均勻,用(yong)手盤動聯(lian)軸(zhou)(zhou)器(qi)(qi)(qi)幾圈檢查轉動的靈活性。

  裝(zhuang)(zhuang)密封(feng)(feng)(feng)座(zuo):先將密封(feng)(feng)(feng)座(zuo)裝(zhuang)(zhuang)入橡膠油封(feng)(feng)(feng),再把(ba)密封(feng)(feng)(feng)座(zuo)裝(zhuang)(zhuang)入泵蓋并(bing)壓(ya)(ya)在(zai)軸承座(zuo)上,擰緊(jin)(jin)(jin)螺(luo)(luo)母,確保所(suo)有(you)安裝(zhuang)(zhuang)螺(luo)(luo)釘(ding)(ding)緊(jin)(jin)(jin)固(gu)。當安裝(zhuang)(zhuang)螺(luo)(luo)釘(ding)(ding)被用作密封(feng)(feng)(feng)與軸之間(jian)的驅動時,軸應(ying)打埋頭(tou)孔來加(jia)固(gu)連接,緊(jin)(jin)(jin)固(gu)壓(ya)(ya)蓋螺(luo)(luo)栓時應(ying)該(gai)平穩(wen)緊(jin)(jin)(jin)固(gu),并(bing)且不要使壓(ya)(ya)蓋受(shou)彈力。在(zai)可能(neng)的地方使用4個以上螺(luo)(luo)釘(ding)(ding)的等(deng)間(jian)距壓(ya)(ya)蓋,緊(jin)(jin)(jin)固(gu)壓(ya)(ya)蓋螺(luo)(luo)栓時,用塞尺檢查軸與壓(ya)(ya)蓋之間(jian)的間(jian)隙,這(zhe)在(zai)密封(feng)(feng)(feng)腔對壓(ya)(ya)蓋不導向(xiang)時,顯得特別重要,因為(wei)壓(ya)(ya)蓋必須(xu)對中。