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大冶如何對機械密封進行更換工作

發布時間:2021-12-17 11:49:09 人氣(qi):94869 來(lai)源:

  大冶機械密封利用(yong)機(ji)(ji)械(xie)方式傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),機(ji)(ji)械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機(ji)(ji)械(xie)工程中應用(yong)非(fei)常廣泛(fan),有多種形(xing)式,主要包(bao)括皮帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)輪(lun)齒(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)螺旋(xuan)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等(deng)。齒(chi)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)能(neng)夠(gou)用(yong)于大(da)(da)功(gong)率的(de)場合,傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比準確(que),但一般要求較(jiao)高的(de)制造精(jing)度和(he)(he)安(an)裝精(jing)度。還有一類(lei)是靠機(ji)(ji)件間的(de)摩(mo)擦(ca)力(li)傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)的(de)摩(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong),包(bao)括帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)摩(mo)擦(ca)輪(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等(deng)。摩(mo)擦(ca)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)容易實現(xian)無級變速,可以適應軸間距較(jiao)大(da)(da)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)場合,而過載打滑還能(neng)起到緩沖(chong)和(he)(he)保護傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置的(de)作用(yong),但這種傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)一般不能(neng)用(yong)于大(da)(da)功(gong)率的(de)場合,也不能(neng)保證準確(que)的(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比。


  傳動形式多,但是大冶機械密封的(de)更換(huan)工(gong)作大同小異(yi),首(shou)先(xian)拆(chai)(chai)前需(xu)確認電機處于檢修狀態,擰(ning)下加油(you)螺塞(sai),用(yong)吸管把(ba)密(mi)封座腔內的(de)潤滑油(you)吸出(chu)。準備好(hao)放(fang)置泵(beng)零(ling)件的(de)工(gong)作臺(tai)及拆(chai)(chai)裝工(gong)具,切勿任(ren)意亂放(fang)亂用(yong),避免碰(peng)壞泵(beng)的(de)零(ling)部件。


  拆對(dui)分式聯(lian)軸(zhou)(zhou)器(qi):先把(ba)聯(lian)軸(zhou)(zhou)器(qi)的固定內六角螺釘(ding)擰下(xia)來,再輕輕把(ba)聯(lian)軸(zhou)(zhou)器(qi)的一半從軸(zhou)(zhou)上慢慢拉(la)下(xia),注意(yi)不要掉(diao)了,再用(yong)梅花扳(ban)手擰下(xia)泵(beng)軸(zhou)(zhou)吊緊(jin)螺栓和擋塊,讓葉(xie)輪慢慢下(xia)沉至泵(beng)體(ti),然后(hou)拆下(xia)另(ling)外一半聯(lian)軸(zhou)(zhou)器(qi),拿下(xia)泵(beng)軸(zhou)(zhou)擋圈。

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  拆卸大冶機械密封:抓住密封(feng)彈簧順著(zhu)泵軸(zhou)往上(shang)提(ti),就能(neng)拆下(xia)來了(le)。


  拆卸(xie)并(bing)(bing)清洗(xi)軸(zhou)(zhou)承(cheng)(cheng)座(zuo):先輕輕松動一下軸(zhou)(zhou)承(cheng)(cheng)座(zuo)后(hou)用(yong)拆卸(xie)螺栓(shuan)頂起軸(zhou)(zhou)承(cheng)(cheng)座(zuo),并(bing)(bing)且沿著泵軸(zhou)(zhou)往上提(ti)而卸(xie)下,再(zai)用(yong)噴(pen)氣燃料(liao)清洗(xi)軸(zhou)(zhou)承(cheng)(cheng)及座(zuo),裝前(qian)晾干并(bing)(bing)涂抹(mo)少許20號機械油用(yong)來(lai)潤滑保(bao)護(hu)。


  拆密(mi)封(feng)座:擰下(xia)(xia)密(mi)封(feng)座壓緊螺母,輕輕卸下(xia)(xia)密(mi)封(feng)座并清洗。


  大冶機械密封裝(zhuang)配:在動(dong)、靜環(huan)(huan)鏡面(mian)上(shang)(shang)涂一層潔凈的(de)20號潤滑油(you),導(dao)軸(zhou)承(cheng)座(zuo)也抹(mo)上(shang)(shang)潤滑油(you),先把靜環(huan)(huan)輕輕定位(wei)裝(zhuang)入導(dao)軸(zhou)承(cheng)座(zuo),再在泵軸(zhou)上(shang)(shang)抹(mo)上(shang)(shang)潤滑油(you),把動(dong)環(huan)(huan)部分(fen)輕輕裝(zhuang)入泵軸(zhou)上(shang)(shang),用手(shou)輕推(tui)密(mi)封(feng)環(huan)(huan)應(ying)能伸縮自(zi)如,注意(yi)動(dong)、靜環(huan)(huan)部分(fen)的(de)防轉部位(wei)需裝(zhuang)配到位(wei)。


  裝(zhuang)聯(lian)軸(zhou)器(qi):在電機軸(zhou)頭上(shang)(shang)(shang)裝(zhuang)上(shang)(shang)(shang)擋(dang)圈,裝(zhuang)上(shang)(shang)(shang)一半聯(lian)軸(zhou)器(qi),再在泵軸(zhou)端和(he)聯(lian)軸(zhou)器(qi)槽內(nei)裝(zhuang)上(shang)(shang)(shang)擋(dang)塊(kuai)并用梅花扳手(shou)擰緊螺(luo)栓;再裝(zhuang)上(shang)(shang)(shang)另一半聯(lian)軸(zhou)器(qi)擰上(shang)(shang)(shang)內(nei)六角螺(luo)釘。安裝(zhuang)聯(lian)軸(zhou)器(qi)正確的檢查(cha)要求:對分式聯(lian)軸(zhou)器(qi)上(shang)(shang)(shang)下(xia)間隙需要均(jun)勻,用手(shou)盤動聯(lian)軸(zhou)器(qi)幾圈檢查(cha)轉動的靈活性。


  裝(zhuang)密(mi)封座:先將密(mi)封座裝(zhuang)入橡膠(jiao)油封,再把(ba)密(mi)封座裝(zhuang)入泵(beng)蓋(gai)(gai)并壓(ya)在(zai)軸(zhou)承座上(shang),擰緊(jin)螺母(mu),確保所有安(an)裝(zhuang)螺釘(ding)緊(jin)固。當安(an)裝(zhuang)螺釘(ding)被用(yong)作密(mi)封與軸(zhou)之間(jian)的(de)驅動時(shi),軸(zhou)應打(da)埋頭孔來加(jia)固連接,緊(jin)固壓(ya)蓋(gai)(gai)螺栓時(shi)應該平穩緊(jin)固,并且不要使壓(ya)蓋(gai)(gai)受彈力。在(zai)可能的(de)地方使用(yong)4個(ge)以(yi)上(shang)螺釘(ding)的(de)等間(jian)距壓(ya)蓋(gai)(gai),緊(jin)固壓(ya)蓋(gai)(gai)螺栓時(shi),用(yong)塞尺(chi)檢(jian)查軸(zhou)與壓(ya)蓋(gai)(gai)之間(jian)的(de)間(jian)隙,這在(zai)密(mi)封腔對壓(ya)蓋(gai)(gai)不導向時(shi),顯得特別重(zhong)要,因(yin)為壓(ya)蓋(gai)(gai)必須(xu)對中。