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松柏鎮如何對機械密封進行更換工作

發布(bu)時間:2021-12-17 11:49:09 人氣:98837 來源:

  松柏鎮機械密封利用(yong)(yong)(yong)機(ji)械方(fang)式傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),機(ji)械傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)在(zai)機(ji)械工程中(zhong)應(ying)用(yong)(yong)(yong)非常廣泛,有多(duo)種形(xing)式,主要(yao)包括皮(pi)帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)(chi)(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿蝸輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)(chi)(chi)輪齒(chi)(chi)(chi)條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)螺(luo)旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等(deng)。齒(chi)(chi)(chi)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)能夠用(yong)(yong)(yong)于大功率的(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比(bi)準(zhun)確,但一般要(yao)求較高的(de)制造(zao)精度(du)和(he)(he)安裝精度(du)。還(huan)(huan)有一類(lei)是靠機(ji)件間的(de)摩擦(ca)(ca)力傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)力和(he)(he)運動(dong)(dong)(dong)的(de)摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong),包括帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)和(he)(he)摩擦(ca)(ca)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)等(deng)。摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)容易(yi)實現無級(ji)變速,可以適應(ying)軸(zhou)間距較大的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)場(chang)合,而過載(zai)打滑還(huan)(huan)能起到緩(huan)沖和(he)(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置(zhi)的(de)作(zuo)用(yong)(yong)(yong),但這種傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)一般不(bu)能用(yong)(yong)(yong)于大功率的(de)場(chang)合,也(ye)不(bu)能保證準(zhun)確的(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)比(bi)。


  傳動形式多,但是松柏鎮機械密封的(de)更換工(gong)作(zuo)大同小異,首(shou)先拆前需確認(ren)電機(ji)處于檢修狀態,擰(ning)下(xia)加油螺塞,用(yong)吸管把密封(feng)座腔內的(de)潤滑油吸出(chu)。準備好放置泵零件(jian)的(de)工(gong)作(zuo)臺及拆裝工(gong)具,切(qie)勿任(ren)意亂(luan)放亂(luan)用(yong),避免碰壞泵的(de)零部(bu)件(jian)。


  拆(chai)(chai)對分式聯(lian)軸(zhou)(zhou)(zhou)器:先(xian)把聯(lian)軸(zhou)(zhou)(zhou)器的固定內(nei)六角(jiao)螺釘擰下來,再(zai)輕輕把聯(lian)軸(zhou)(zhou)(zhou)器的一半從軸(zhou)(zhou)(zhou)上慢(man)慢(man)拉下,注意不(bu)要掉了,再(zai)用梅花(hua)扳手擰下泵(beng)軸(zhou)(zhou)(zhou)吊(diao)緊螺栓和(he)擋(dang)塊,讓(rang)葉(xie)輪慢(man)慢(man)下沉至泵(beng)體(ti),然(ran)后拆(chai)(chai)下另(ling)外(wai)一半聯(lian)軸(zhou)(zhou)(zhou)器,拿下泵(beng)軸(zhou)(zhou)(zhou)擋(dang)圈。

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  拆卸松柏鎮機械密封:抓住密封彈簧順著泵軸(zhou)往上提,就能拆下來了。


  拆(chai)卸(xie)并(bing)(bing)清洗軸承座:先輕輕松動(dong)一(yi)下軸承座后用(yong)拆(chai)卸(xie)螺栓頂(ding)起軸承座,并(bing)(bing)且沿著泵軸往上提而卸(xie)下,再用(yong)噴氣燃(ran)料(liao)清洗軸承及座,裝前(qian)晾干并(bing)(bing)涂(tu)抹少許20號機械(xie)油用(yong)來潤滑保護。


  拆(chai)密封(feng)座:擰下密封(feng)座壓緊(jin)螺母,輕輕卸下密封(feng)座并清洗。


  松柏鎮機械密封裝(zhuang)(zhuang)配(pei):在動(dong)(dong)、靜環鏡(jing)面上涂一層(ceng)潔凈(jing)的20號潤(run)滑(hua)(hua)油(you),導軸承(cheng)座也抹上潤(run)滑(hua)(hua)油(you),先把(ba)靜環輕(qing)(qing)輕(qing)(qing)定位裝(zhuang)(zhuang)入(ru)(ru)導軸承(cheng)座,再在泵軸上抹上潤(run)滑(hua)(hua)油(you),把(ba)動(dong)(dong)環部分輕(qing)(qing)輕(qing)(qing)裝(zhuang)(zhuang)入(ru)(ru)泵軸上,用手(shou)輕(qing)(qing)推密(mi)封環應能(neng)伸縮自如(ru),注(zhu)意動(dong)(dong)、靜環部分的防轉部位需(xu)裝(zhuang)(zhuang)配(pei)到位。


  裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi):在(zai)(zai)電(dian)機軸(zhou)(zhou)(zhou)頭上(shang)(shang)裝(zhuang)上(shang)(shang)擋圈,裝(zhuang)上(shang)(shang)一(yi)半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi),再在(zai)(zai)泵軸(zhou)(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)(zhou)器(qi)槽內裝(zhuang)上(shang)(shang)擋塊并用梅花扳手擰緊螺栓;再裝(zhuang)上(shang)(shang)另一(yi)半(ban)聯(lian)軸(zhou)(zhou)(zhou)器(qi)擰上(shang)(shang)內六(liu)角螺釘。安裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)器(qi)正確的檢查要求(qiu):對分(fen)式聯(lian)軸(zhou)(zhou)(zhou)器(qi)上(shang)(shang)下間隙(xi)需(xu)要均勻,用手盤動聯(lian)軸(zhou)(zhou)(zhou)器(qi)幾圈檢查轉(zhuan)動的靈活性(xing)。


  裝(zhuang)(zhuang)(zhuang)密(mi)封座:先(xian)將密(mi)封座裝(zhuang)(zhuang)(zhuang)入橡(xiang)膠(jiao)油(you)封,再把密(mi)封座裝(zhuang)(zhuang)(zhuang)入泵蓋(gai)(gai)(gai)并(bing)壓(ya)(ya)在(zai)(zai)軸承座上,擰(ning)緊(jin)螺(luo)(luo)(luo)母,確(que)保所有安裝(zhuang)(zhuang)(zhuang)螺(luo)(luo)(luo)釘緊(jin)固。當(dang)安裝(zhuang)(zhuang)(zhuang)螺(luo)(luo)(luo)釘被用作密(mi)封與軸之間的(de)驅動時(shi),軸應打埋頭孔來加(jia)固連接,緊(jin)固壓(ya)(ya)蓋(gai)(gai)(gai)螺(luo)(luo)(luo)栓(shuan)時(shi)應該平穩緊(jin)固,并(bing)且不要使壓(ya)(ya)蓋(gai)(gai)(gai)受彈力(li)。在(zai)(zai)可能的(de)地(di)方(fang)使用4個以上螺(luo)(luo)(luo)釘的(de)等間距壓(ya)(ya)蓋(gai)(gai)(gai),緊(jin)固壓(ya)(ya)蓋(gai)(gai)(gai)螺(luo)(luo)(luo)栓(shuan)時(shi),用塞尺(chi)檢查軸與壓(ya)(ya)蓋(gai)(gai)(gai)之間的(de)間隙,這在(zai)(zai)密(mi)封腔(qiang)對壓(ya)(ya)蓋(gai)(gai)(gai)不導(dao)向(xiang)時(shi),顯得特別重(zhong)要,因(yin)為壓(ya)(ya)蓋(gai)(gai)(gai)必須對中。