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泰安如何對機械密封進行更換工作

發(fa)布時間:2021-12-17 11:49:09 人(ren)氣:98994 來源(yuan):

  泰安機械密封利用機(ji)械方式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在機(ji)械工(gong)程(cheng)中應(ying)用非常廣(guang)泛(fan),有多種(zhong)形式,主要(yao)包括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸(gua)桿(gan)蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪齒條(tiao)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)。齒輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用于大功(gong)率的(de)(de)(de)(de)(de)場合,傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比準確(que),但一(yi)般要(yao)求(qiu)較(jiao)高的(de)(de)(de)(de)(de)制造精度和(he)安裝(zhuang)精度。還有一(yi)類是靠(kao)機(ji)件間(jian)的(de)(de)(de)(de)(de)摩(mo)(mo)擦(ca)力傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力和(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)摩(mo)(mo)擦(ca)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等(deng)。摩(mo)(mo)擦(ca)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容(rong)易實現無(wu)級(ji)變速,可(ke)以適(shi)應(ying)軸間(jian)距較(jiao)大的(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場合,而過(guo)載打滑還能起到緩沖和(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)的(de)(de)(de)(de)(de)作用,但這種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一(yi)般不(bu)能用于大功(gong)率的(de)(de)(de)(de)(de)場合,也(ye)不(bu)能保證準確(que)的(de)(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比。


  傳動形式多,但是泰安機械密封的更換工作(zuo)大同(tong)小異,首(shou)先拆前需確認電(dian)機(ji)處于(yu)檢修(xiu)狀(zhuang)態(tai),擰下加(jia)油螺塞,用吸管把密封座(zuo)腔(qiang)內的潤滑油吸出(chu)。準備好放置泵零件(jian)(jian)的工作(zuo)臺及(ji)拆裝工具,切勿任意亂放亂用,避免碰壞泵的零部件(jian)(jian)。


  拆(chai)對分式聯(lian)軸(zhou)器:先把聯(lian)軸(zhou)器的(de)固定內六角螺(luo)釘擰下(xia)(xia)來,再輕輕把聯(lian)軸(zhou)器的(de)一半(ban)從軸(zhou)上慢(man)慢(man)拉下(xia)(xia),注意不要掉了,再用梅(mei)花扳手擰下(xia)(xia)泵(beng)軸(zhou)吊(diao)緊螺(luo)栓和(he)擋(dang)塊,讓葉輪慢(man)慢(man)下(xia)(xia)沉(chen)至泵(beng)體,然后拆(chai)下(xia)(xia)另外一半(ban)聯(lian)軸(zhou)器,拿下(xia)(xia)泵(beng)軸(zhou)擋(dang)圈。

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  拆卸泰安機械密封:抓住密(mi)封彈簧順著泵(beng)軸往上(shang)提,就能(neng)拆下來了。


  拆(chai)卸并(bing)清(qing)洗軸(zhou)(zhou)承(cheng)(cheng)座:先(xian)輕(qing)輕(qing)松(song)動(dong)一下軸(zhou)(zhou)承(cheng)(cheng)座后用拆(chai)卸螺(luo)栓頂起(qi)軸(zhou)(zhou)承(cheng)(cheng)座,并(bing)且沿著(zhu)泵軸(zhou)(zhou)往上提而卸下,再用噴氣燃料清(qing)洗軸(zhou)(zhou)承(cheng)(cheng)及座,裝(zhuang)前晾干并(bing)涂抹少許(xu)20號機(ji)械油用來潤滑(hua)保(bao)護。


  拆密(mi)封座(zuo):擰下密(mi)封座(zuo)壓緊螺(luo)母,輕輕卸下密(mi)封座(zuo)并清洗。


  泰安機械密封裝配:在(zai)動、靜環(huan)鏡面上(shang)涂一層潔凈的20號(hao)潤滑(hua)(hua)油(you),導(dao)(dao)軸(zhou)承(cheng)座(zuo)(zuo)也抹上(shang)潤滑(hua)(hua)油(you),先把靜環(huan)輕(qing)輕(qing)定(ding)位裝入(ru)導(dao)(dao)軸(zhou)承(cheng)座(zuo)(zuo),再在(zai)泵軸(zhou)上(shang)抹上(shang)潤滑(hua)(hua)油(you),把動環(huan)部(bu)分輕(qing)輕(qing)裝入(ru)泵軸(zhou)上(shang),用手輕(qing)推密(mi)封環(huan)應能(neng)伸(shen)縮自如,注意動、靜環(huan)部(bu)分的防轉部(bu)位需(xu)裝配到位。


  裝(zhuang)(zhuang)聯軸器(qi):在(zai)(zai)電(dian)機軸頭上(shang)(shang)(shang)(shang)裝(zhuang)(zhuang)上(shang)(shang)(shang)(shang)擋圈,裝(zhuang)(zhuang)上(shang)(shang)(shang)(shang)一(yi)半聯軸器(qi),再在(zai)(zai)泵(beng)軸端和(he)聯軸器(qi)槽內裝(zhuang)(zhuang)上(shang)(shang)(shang)(shang)擋塊并用梅花扳手(shou)擰緊螺(luo)栓;再裝(zhuang)(zhuang)上(shang)(shang)(shang)(shang)另一(yi)半聯軸器(qi)擰上(shang)(shang)(shang)(shang)內六角螺(luo)釘(ding)。安裝(zhuang)(zhuang)聯軸器(qi)正確的檢查(cha)要求:對分(fen)式聯軸器(qi)上(shang)(shang)(shang)(shang)下間隙需要均勻,用手(shou)盤(pan)動聯軸器(qi)幾圈檢查(cha)轉動的靈活性。


  裝(zhuang)密(mi)(mi)封(feng)座(zuo):先將密(mi)(mi)封(feng)座(zuo)裝(zhuang)入(ru)橡(xiang)膠(jiao)油封(feng),再把密(mi)(mi)封(feng)座(zuo)裝(zhuang)入(ru)泵(beng)蓋(gai)(gai)并壓(ya)在軸承座(zuo)上,擰緊(jin)(jin)(jin)螺(luo)母,確保所有安裝(zhuang)螺(luo)釘緊(jin)(jin)(jin)固(gu)。當安裝(zhuang)螺(luo)釘被用(yong)作密(mi)(mi)封(feng)與軸之(zhi)間(jian)(jian)(jian)的(de)(de)驅動時(shi)(shi),軸應打埋(mai)頭孔來加固(gu)連(lian)接,緊(jin)(jin)(jin)固(gu)壓(ya)蓋(gai)(gai)螺(luo)栓(shuan)時(shi)(shi)應該平穩緊(jin)(jin)(jin)固(gu),并且不要使(shi)壓(ya)蓋(gai)(gai)受彈力。在可能的(de)(de)地方使(shi)用(yong)4個(ge)以上螺(luo)釘的(de)(de)等(deng)間(jian)(jian)(jian)距壓(ya)蓋(gai)(gai),緊(jin)(jin)(jin)固(gu)壓(ya)蓋(gai)(gai)螺(luo)栓(shuan)時(shi)(shi),用(yong)塞尺檢(jian)查軸與壓(ya)蓋(gai)(gai)之(zhi)間(jian)(jian)(jian)的(de)(de)間(jian)(jian)(jian)隙,這在密(mi)(mi)封(feng)腔對(dui)壓(ya)蓋(gai)(gai)不導向時(shi)(shi),顯得特(te)別重要,因為壓(ya)蓋(gai)(gai)必須對(dui)中。