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饒平如何對機械密封進行更換工作

發布(bu)時(shi)間:2021-06-01 15:17:49 人氣(qi):184803 來源:川工密封

  饒平機械密封利用(yong)機(ji)(ji)械方式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),機(ji)(ji)械傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)在機(ji)(ji)械工程中應用(yong)非常廣泛,有多種形式,主要包括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸桿(gan)蝸輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪齒(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。齒(chi)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)能(neng)(neng)夠用(yong)于(yu)大功率(lv)的(de)(de)(de)(de)場(chang)合(he)(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準確(que),但一般要求較高的(de)(de)(de)(de)制(zhi)造精度和(he)安裝精度。還有一類是靠(kao)機(ji)(ji)件間的(de)(de)(de)(de)摩擦力(li)(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)(li)和(he)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong),包括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)摩擦輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)等(deng)。摩擦傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實現(xian)無級變速,可以適應軸間距較大的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)場(chang)合(he)(he),而過載打滑還能(neng)(neng)起(qi)到緩(huan)沖和(he)保護傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)(de)(de)作(zuo)用(yong),但這種傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)一般不能(neng)(neng)用(yong)于(yu)大功率(lv)的(de)(de)(de)(de)場(chang)合(he)(he),也(ye)不能(neng)(neng)保證準確(que)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。

  傳動形式多,但是饒平機械密封的(de)更換工(gong)作大同小異(yi),首先拆(chai)前需(xu)確認(ren)電機(ji)處于(yu)檢修狀態,擰下加油螺塞(sai),用(yong)吸管(guan)把密封座腔(qiang)內的(de)潤滑油吸出(chu)。準(zhun)備好放置泵(beng)零(ling)件的(de)工(gong)作臺及拆(chai)裝(zhuang)工(gong)具,切勿(wu)任意(yi)亂放亂用(yong),避免碰(peng)壞泵(beng)的(de)零(ling)部(bu)件。

  拆(chai)對分式(shi)聯(lian)軸(zhou)器:先把(ba)聯(lian)軸(zhou)器的(de)固定內六角螺釘(ding)擰(ning)下(xia)來(lai),再輕(qing)(qing)輕(qing)(qing)把(ba)聯(lian)軸(zhou)器的(de)一(yi)半(ban)(ban)從軸(zhou)上(shang)慢慢拉下(xia),注意(yi)不要掉了(le),再用梅花扳手擰(ning)下(xia)泵(beng)軸(zhou)吊緊螺栓和擋(dang)塊,讓葉(xie)輪慢慢下(xia)沉至泵(beng)體(ti),然后拆(chai)下(xia)另外一(yi)半(ban)(ban)聯(lian)軸(zhou)器,拿(na)下(xia)泵(beng)軸(zhou)擋(dang)圈。

  拆卸饒平機械密封:抓住密封(feng)彈(dan)簧順著泵軸往(wang)上提,就能拆下來了。

  拆卸(xie)并清(qing)洗軸承座(zuo):先輕輕松(song)動一(yi)下軸承座(zuo)后用拆卸(xie)螺栓頂起軸承座(zuo),并且沿著泵(beng)軸往上提而卸(xie)下,再用噴(pen)氣燃料清(qing)洗軸承及座(zuo),裝前晾(liang)干并涂抹(mo)少(shao)許20號機(ji)械油用來(lai)潤(run)滑保(bao)護。

  拆密封座(zuo):擰下密封座(zuo)壓緊螺母,輕輕卸下密封座(zuo)并(bing)清洗。

  饒平機械密封裝(zhuang)(zhuang)配(pei):在動、靜環鏡面(mian)上(shang)(shang)涂(tu)一層潔(jie)凈的(de)20號潤滑油,導(dao)軸(zhou)承座(zuo)也抹上(shang)(shang)潤滑油,先把靜環輕(qing)(qing)輕(qing)(qing)定位裝(zhuang)(zhuang)入(ru)導(dao)軸(zhou)承座(zuo),再在泵(beng)軸(zhou)上(shang)(shang)抹上(shang)(shang)潤滑油,把動環部(bu)分(fen)輕(qing)(qing)輕(qing)(qing)裝(zhuang)(zhuang)入(ru)泵(beng)軸(zhou)上(shang)(shang),用(yong)手輕(qing)(qing)推密封環應能(neng)伸縮自(zi)如,注意動、靜環部(bu)分(fen)的(de)防轉(zhuan)部(bu)位需(xu)裝(zhuang)(zhuang)配(pei)到位。

  裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi):在電機軸(zhou)(zhou)(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋(dang)圈(quan),裝(zhuang)上(shang)一半聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi),再(zai)在泵軸(zhou)(zhou)(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)槽內(nei)裝(zhuang)上(shang)擋(dang)塊并用(yong)梅花扳手擰緊螺栓;再(zai)裝(zhuang)上(shang)另一半聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)擰上(shang)內(nei)六角螺釘。安裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)正確的(de)檢查要(yao)求:對(dui)分式聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)上(shang)下間隙需要(yao)均勻,用(yong)手盤動(dong)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)幾圈(quan)檢查轉動(dong)的(de)靈活性(xing)。

  裝(zhuang)密(mi)封(feng)(feng)座(zuo):先(xian)將密(mi)封(feng)(feng)座(zuo)裝(zhuang)入橡膠油封(feng)(feng),再把密(mi)封(feng)(feng)座(zuo)裝(zhuang)入泵蓋(gai)并(bing)壓(ya)(ya)在(zai)(zai)軸承座(zuo)上(shang),擰(ning)緊(jin)螺(luo)母,確保所有(you)安(an)裝(zhuang)螺(luo)釘(ding)(ding)緊(jin)固(gu)(gu)。當(dang)安(an)裝(zhuang)螺(luo)釘(ding)(ding)被用(yong)作密(mi)封(feng)(feng)與軸之間的(de)(de)驅動時(shi),軸應(ying)打埋頭孔來加(jia)固(gu)(gu)連接,緊(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)螺(luo)栓時(shi)應(ying)該平穩(wen)緊(jin)固(gu)(gu),并(bing)且不(bu)要使壓(ya)(ya)蓋(gai)受(shou)彈(dan)力(li)。在(zai)(zai)可能的(de)(de)地方(fang)使用(yong)4個(ge)以上(shang)螺(luo)釘(ding)(ding)的(de)(de)等間距(ju)壓(ya)(ya)蓋(gai),緊(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)螺(luo)栓時(shi),用(yong)塞尺檢查軸與壓(ya)(ya)蓋(gai)之間的(de)(de)間隙(xi),這在(zai)(zai)密(mi)封(feng)(feng)腔對壓(ya)(ya)蓋(gai)不(bu)導向時(shi),顯得特別重(zhong)要,因(yin)為壓(ya)(ya)蓋(gai)必須對中。