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阜南如何對機械密封進行更換工作

發布時(shi)間:2021-12-17 11:49:09 人氣:98866 來源:

  阜南機械密封利(li)用(yong)(yong)機(ji)械(xie)方式傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)力(li)和(he)(he)運動(dong)(dong)的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong),機(ji)械(xie)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)在機(ji)械(xie)工程中應(ying)用(yong)(yong)非常廣泛,有(you)多種(zhong)形式,主要(yao)包括(kuo)(kuo)皮(pi)帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、蝸(gua)桿蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、齒輪齒條傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。齒輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)能(neng)夠用(yong)(yong)于大(da)(da)功率的場(chang)合,傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比準確,但(dan)一般要(yao)求(qiu)較高的制造精度和(he)(he)安裝(zhuang)精度。還有(you)一類是靠機(ji)件間的摩(mo)(mo)擦力(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)力(li)和(he)(he)運動(dong)(dong)的摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong),包括(kuo)(kuo)帶傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)和(he)(he)摩(mo)(mo)擦輪傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)等。摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)容(rong)易(yi)實現(xian)無級變速,可(ke)以適應(ying)軸間距較大(da)(da)的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)場(chang)合,而過(guo)載打滑還能(neng)起到(dao)緩沖和(he)(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)裝(zhuang)置(zhi)的作用(yong)(yong),但(dan)這種(zhong)傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)一般不(bu)能(neng)用(yong)(yong)于大(da)(da)功率的場(chang)合,也不(bu)能(neng)保證準確的傳(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)比。


  傳動形式多,但是阜南機械密封的(de)更換(huan)工(gong)作大同小異(yi),首(shou)先(xian)拆前需確認電機處于(yu)檢修(xiu)狀(zhuang)態,擰下加油螺塞,用(yong)吸(xi)管把(ba)密封座腔內的(de)潤滑(hua)油吸(xi)出。準備(bei)好放(fang)置泵零件的(de)工(gong)作臺(tai)及拆裝工(gong)具,切勿任意亂放(fang)亂用(yong),避免(mian)碰壞泵的(de)零部件。


  拆(chai)對(dui)分式聯(lian)(lian)軸(zhou)(zhou)器:先把聯(lian)(lian)軸(zhou)(zhou)器的固定內(nei)六角螺釘擰(ning)下(xia)(xia)來,再輕(qing)輕(qing)把聯(lian)(lian)軸(zhou)(zhou)器的一(yi)半從軸(zhou)(zhou)上慢慢拉下(xia)(xia),注意不要掉了,再用梅花扳手擰(ning)下(xia)(xia)泵軸(zhou)(zhou)吊緊(jin)螺栓(shuan)和擋(dang)塊,讓(rang)葉輪慢慢下(xia)(xia)沉至泵體,然后拆(chai)下(xia)(xia)另外一(yi)半聯(lian)(lian)軸(zhou)(zhou)器,拿下(xia)(xia)泵軸(zhou)(zhou)擋(dang)圈。

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  拆卸阜南機械密封:抓(zhua)住密(mi)封彈簧順著泵軸往(wang)上(shang)提,就能拆(chai)下來了。


  拆卸(xie)并清洗軸(zhou)承(cheng)座(zuo):先輕輕松動一下(xia)軸(zhou)承(cheng)座(zuo)后用拆卸(xie)螺栓頂起(qi)軸(zhou)承(cheng)座(zuo),并且沿著泵(beng)軸(zhou)往上提而卸(xie)下(xia),再用噴氣(qi)燃料(liao)清洗軸(zhou)承(cheng)及(ji)座(zuo),裝前(qian)晾干并涂抹少(shao)許20號機械油用來潤滑保護。


  拆(chai)密封(feng)座:擰下密封(feng)座壓緊螺母,輕(qing)輕(qing)卸(xie)下密封(feng)座并清(qing)洗。


  阜南機械密封裝(zhuang)(zhuang)配:在動、靜(jing)(jing)環鏡面上涂(tu)一層潔凈的20號潤(run)滑油,導(dao)軸(zhou)承(cheng)座也抹上潤(run)滑油,先把靜(jing)(jing)環輕(qing)輕(qing)定位裝(zhuang)(zhuang)入(ru)導(dao)軸(zhou)承(cheng)座,再在泵(beng)軸(zhou)上抹上潤(run)滑油,把動環部(bu)(bu)分輕(qing)輕(qing)裝(zhuang)(zhuang)入(ru)泵(beng)軸(zhou)上,用手輕(qing)推密封(feng)環應能(neng)伸縮自如,注意動、靜(jing)(jing)環部(bu)(bu)分的防轉部(bu)(bu)位需裝(zhuang)(zhuang)配到位。


  裝聯(lian)(lian)軸(zhou)(zhou)器:在電機軸(zhou)(zhou)頭上(shang)(shang)(shang)裝上(shang)(shang)(shang)擋(dang)(dang)圈(quan),裝上(shang)(shang)(shang)一(yi)半聯(lian)(lian)軸(zhou)(zhou)器,再在泵軸(zhou)(zhou)端和聯(lian)(lian)軸(zhou)(zhou)器槽(cao)內(nei)裝上(shang)(shang)(shang)擋(dang)(dang)塊并用梅花扳手(shou)擰(ning)緊螺栓;再裝上(shang)(shang)(shang)另一(yi)半聯(lian)(lian)軸(zhou)(zhou)器擰(ning)上(shang)(shang)(shang)內(nei)六(liu)角螺釘。安(an)裝聯(lian)(lian)軸(zhou)(zhou)器正確的(de)檢查要求:對(dui)分式聯(lian)(lian)軸(zhou)(zhou)器上(shang)(shang)(shang)下間(jian)隙(xi)需(xu)要均(jun)勻,用手(shou)盤動(dong)聯(lian)(lian)軸(zhou)(zhou)器幾(ji)圈(quan)檢查轉動(dong)的(de)靈活性(xing)。


  裝密封(feng)(feng)座:先將密封(feng)(feng)座裝入(ru)橡膠(jiao)油封(feng)(feng),再把密封(feng)(feng)座裝入(ru)泵(beng)蓋(gai)(gai)并壓(ya)在(zai)軸承座上,擰緊螺(luo)(luo)母(mu),確保(bao)所有安裝螺(luo)(luo)釘(ding)緊固(gu)。當安裝螺(luo)(luo)釘(ding)被(bei)用(yong)作密封(feng)(feng)與軸之(zhi)(zhi)間(jian)(jian)的(de)(de)驅動(dong)時(shi),軸應(ying)打埋頭孔來加固(gu)連接(jie),緊固(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)栓時(shi)應(ying)該平穩緊固(gu),并且不要(yao)使壓(ya)蓋(gai)(gai)受彈力。在(zai)可能(neng)的(de)(de)地方使用(yong)4個(ge)以上螺(luo)(luo)釘(ding)的(de)(de)等間(jian)(jian)距壓(ya)蓋(gai)(gai),緊固(gu)壓(ya)蓋(gai)(gai)螺(luo)(luo)栓時(shi),用(yong)塞(sai)尺檢(jian)查軸與壓(ya)蓋(gai)(gai)之(zhi)(zhi)間(jian)(jian)的(de)(de)間(jian)(jian)隙(xi),這在(zai)密封(feng)(feng)腔對(dui)壓(ya)蓋(gai)(gai)不導(dao)向(xiang)時(shi),顯得特別重要(yao),因為壓(ya)蓋(gai)(gai)必須對(dui)中。