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天山如何對機械密封進行更換工作

發(fa)布(bu)時間:2021-12-17 11:49:09 人氣:98939 來(lai)源(yuan):

  天山機械密封利用(yong)機械(xie)方式(shi)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機械(xie)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在機械(xie)工(gong)程中(zhong)應用(yong)非常廣泛,有(you)多種(zhong)形式(shi),主(zhu)要包括(kuo)皮帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸(gua)桿蝸(gua)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒輪齒條傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。齒輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用(yong)于大(da)功率的(de)(de)(de)場(chang)合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比準確(que),但一般要求較高的(de)(de)(de)制(zhi)造精度(du)和(he)(he)安裝精度(du)。還(huan)有(you)一類是靠機件間(jian)的(de)(de)(de)摩擦(ca)(ca)力(li)傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)(he)運(yun)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包括(kuo)帶(dai)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)(he)摩擦(ca)(ca)輪傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容易實現無級(ji)變速,可以適應軸間(jian)距較大(da)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場(chang)合,而(er)過載(zai)打滑還(huan)能起(qi)到緩沖和(he)(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)(de)作(zuo)用(yong),但這種(zhong)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一般不(bu)能用(yong)于大(da)功率的(de)(de)(de)場(chang)合,也不(bu)能保證準確(que)的(de)(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比。


  傳動形式多,但是天山機械密封的(de)更換工作大同小異,首(shou)先拆前需確認(ren)電(dian)機處于檢修(xiu)狀(zhuang)態,擰下加油(you)(you)螺塞,用(yong)吸(xi)管把密封座腔內的(de)潤(run)滑油(you)(you)吸(xi)出。準備好放置泵(beng)零件(jian)的(de)工作臺及拆裝工具,切勿任意亂(luan)放亂(luan)用(yong),避免(mian)碰壞泵(beng)的(de)零部件(jian)。


  拆對分式聯軸(zhou)器(qi):先把聯軸(zhou)器(qi)的固定內六角螺釘擰(ning)下(xia)(xia)來(lai),再輕輕把聯軸(zhou)器(qi)的一(yi)(yi)半從軸(zhou)上慢慢拉(la)下(xia)(xia),注(zhu)意不要掉了,再用梅(mei)花(hua)扳手擰(ning)下(xia)(xia)泵軸(zhou)吊緊螺栓和擋塊,讓葉輪慢慢下(xia)(xia)沉(chen)至泵體,然后(hou)拆下(xia)(xia)另外一(yi)(yi)半聯軸(zhou)器(qi),拿下(xia)(xia)泵軸(zhou)擋圈。

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  拆卸天山機械密封:抓(zhua)住密封彈簧順著泵軸(zhou)往(wang)上提,就能拆下來了(le)。


  拆卸并(bing)清(qing)洗軸承(cheng)座(zuo):先(xian)輕(qing)(qing)輕(qing)(qing)松動一(yi)下軸承(cheng)座(zuo)后(hou)用拆卸螺栓頂(ding)起軸承(cheng)座(zuo),并(bing)且沿(yan)著泵軸往上提而卸下,再用噴(pen)氣(qi)燃料(liao)清(qing)洗軸承(cheng)及座(zuo),裝前(qian)晾干并(bing)涂抹少(shao)許(xu)20號機械油用來潤滑保護。


  拆密封座(zuo):擰下密封座(zuo)壓緊螺母,輕(qing)輕(qing)卸下密封座(zuo)并清洗。


  天山機械密封裝(zhuang)配:在(zai)動(dong)、靜(jing)環鏡面上涂一層潔凈的20號(hao)潤滑油(you),導軸承座也抹(mo)上潤滑油(you),先把靜(jing)環輕(qing)(qing)(qing)輕(qing)(qing)(qing)定(ding)位(wei)裝(zhuang)入(ru)導軸承座,再在(zai)泵(beng)軸上抹(mo)上潤滑油(you),把動(dong)環部分(fen)輕(qing)(qing)(qing)輕(qing)(qing)(qing)裝(zhuang)入(ru)泵(beng)軸上,用手輕(qing)(qing)(qing)推密(mi)封環應能伸縮(suo)自如(ru),注意動(dong)、靜(jing)環部分(fen)的防轉部位(wei)需(xu)裝(zhuang)配到位(wei)。


  裝聯(lian)軸(zhou)器(qi):在(zai)電機軸(zhou)頭上(shang)裝上(shang)擋圈,裝上(shang)一半(ban)聯(lian)軸(zhou)器(qi),再在(zai)泵軸(zhou)端(duan)和聯(lian)軸(zhou)器(qi)槽(cao)內裝上(shang)擋塊(kuai)并(bing)用(yong)梅花扳手擰緊螺栓;再裝上(shang)另一半(ban)聯(lian)軸(zhou)器(qi)擰上(shang)內六(liu)角(jiao)螺釘。安(an)裝聯(lian)軸(zhou)器(qi)正確的(de)(de)檢查要求:對分式聯(lian)軸(zhou)器(qi)上(shang)下間隙需(xu)要均勻,用(yong)手盤動聯(lian)軸(zhou)器(qi)幾圈檢查轉動的(de)(de)靈(ling)活性。


  裝(zhuang)密封(feng)座:先將密封(feng)座裝(zhuang)入橡膠油封(feng),再把密封(feng)座裝(zhuang)入泵蓋(gai)(gai)并壓(ya)(ya)在軸(zhou)(zhou)承座上,擰(ning)緊(jin)螺母,確保所有安(an)裝(zhuang)螺釘(ding)緊(jin)固(gu)。當安(an)裝(zhuang)螺釘(ding)被用(yong)作(zuo)密封(feng)與(yu)軸(zhou)(zhou)之間的(de)驅動時,軸(zhou)(zhou)應打埋(mai)頭(tou)孔來(lai)加固(gu)連接,緊(jin)固(gu)壓(ya)(ya)蓋(gai)(gai)螺栓(shuan)時應該平穩緊(jin)固(gu),并且不(bu)要使壓(ya)(ya)蓋(gai)(gai)受彈力。在可能的(de)地方(fang)使用(yong)4個以上螺釘(ding)的(de)等(deng)間距壓(ya)(ya)蓋(gai)(gai),緊(jin)固(gu)壓(ya)(ya)蓋(gai)(gai)螺栓(shuan)時,用(yong)塞尺檢查軸(zhou)(zhou)與(yu)壓(ya)(ya)蓋(gai)(gai)之間的(de)間隙,這在密封(feng)腔對(dui)壓(ya)(ya)蓋(gai)(gai)不(bu)導(dao)向時,顯得(de)特(te)別重要,因(yin)為壓(ya)(ya)蓋(gai)(gai)必須對(dui)中。