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湟中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:98231 來源:

  湟中機械密封利用機械方(fang)式傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)在(zai)機械工(gong)程中(zhong)應(ying)用非常廣泛,有多種形式,主要包(bao)括皮帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)(lun)齒(chi)條傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)螺旋(xuan)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。齒(chi)輪(lun)(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)能夠用于大功率(lv)的(de)(de)場(chang)合(he)(he),傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)準確,但(dan)一般(ban)要求較高的(de)(de)制(zhi)造精度和(he)安(an)裝精度。還(huan)有一類是靠機件(jian)間的(de)(de)摩(mo)(mo)擦力(li)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)(dong)力(li)和(he)運動(dong)(dong)(dong)(dong)(dong)的(de)(de)摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong),包(bao)括帶傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)、繩(sheng)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)和(he)摩(mo)(mo)擦輪(lun)(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)等。摩(mo)(mo)擦傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)容易實(shi)現無級變速(su),可以適應(ying)軸(zhou)間距較大的(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)場(chang)合(he)(he),而(er)過載(zai)打滑(hua)還(huan)能起到緩沖和(he)保護(hu)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)作(zuo)用,但(dan)這(zhe)種傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)一般(ban)不能用于大功率(lv)的(de)(de)場(chang)合(he)(he),也不能保證準確的(de)(de)傳(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)比(bi)。


  傳動形式多,但是湟中機械密封的更(geng)換工作大同(tong)小異,首先(xian)拆前(qian)需確(que)認(ren)電機處于檢修狀態,擰下加油螺塞,用(yong)吸管把密(mi)封座腔內的潤滑(hua)油吸出。準(zhun)備好放(fang)置泵零(ling)件(jian)的工作臺(tai)及拆裝工具,切(qie)勿任(ren)意亂放(fang)亂用(yong),避免(mian)碰壞泵的零(ling)部件(jian)。


  拆對(dui)分式聯軸器(qi):先把聯軸器(qi)的(de)(de)固(gu)定內六(liu)角螺(luo)釘擰下(xia)來,再(zai)輕輕把聯軸器(qi)的(de)(de)一半從軸上慢(man)慢(man)拉下(xia),注意(yi)不要掉了,再(zai)用梅花(hua)扳手擰下(xia)泵軸吊緊螺(luo)栓(shuan)和(he)擋(dang)塊(kuai),讓葉(xie)輪慢(man)慢(man)下(xia)沉至泵體,然后(hou)拆下(xia)另外一半聯軸器(qi),拿(na)下(xia)泵軸擋(dang)圈。

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  拆卸湟中機械密封:抓(zhua)住密封彈簧順(shun)著(zhu)泵軸(zhou)往(wang)上提,就能拆下來(lai)了(le)。


  拆卸并(bing)(bing)清洗(xi)軸(zhou)承座:先輕輕松動(dong)一下軸(zhou)承座后用(yong)(yong)拆卸螺栓頂起軸(zhou)承座,并(bing)(bing)且沿(yan)著泵軸(zhou)往上提而卸下,再用(yong)(yong)噴氣(qi)燃(ran)料(liao)清洗(xi)軸(zhou)承及(ji)座,裝前晾干(gan)并(bing)(bing)涂(tu)抹(mo)少(shao)許(xu)20號機械油用(yong)(yong)來潤(run)滑保護(hu)。


  拆(chai)密(mi)封座(zuo):擰下密(mi)封座(zuo)壓(ya)緊(jin)螺母(mu),輕輕卸下密(mi)封座(zuo)并(bing)清洗。


  湟中機械密封裝(zhuang)配:在動、靜(jing)環鏡(jing)面上(shang)涂一層(ceng)潔凈的20號潤(run)(run)滑(hua)(hua)油(you),導軸承(cheng)座(zuo)也抹上(shang)潤(run)(run)滑(hua)(hua)油(you),先把(ba)(ba)靜(jing)環輕(qing)(qing)輕(qing)(qing)定位(wei)裝(zhuang)入(ru)(ru)導軸承(cheng)座(zuo),再在泵軸上(shang)抹上(shang)潤(run)(run)滑(hua)(hua)油(you),把(ba)(ba)動環部(bu)分輕(qing)(qing)輕(qing)(qing)裝(zhuang)入(ru)(ru)泵軸上(shang),用手輕(qing)(qing)推密封環應能伸縮自如(ru),注意(yi)動、靜(jing)環部(bu)分的防轉部(bu)位(wei)需裝(zhuang)配到位(wei)。


  裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)器(qi):在電機軸(zhou)頭上裝(zhuang)(zhuang)上擋圈,裝(zhuang)(zhuang)上一(yi)半聯(lian)(lian)軸(zhou)器(qi),再在泵軸(zhou)端和聯(lian)(lian)軸(zhou)器(qi)槽(cao)內(nei)裝(zhuang)(zhuang)上擋塊并用梅花扳手擰(ning)緊螺(luo)栓(shuan);再裝(zhuang)(zhuang)上另一(yi)半聯(lian)(lian)軸(zhou)器(qi)擰(ning)上內(nei)六角螺(luo)釘(ding)。安裝(zhuang)(zhuang)聯(lian)(lian)軸(zhou)器(qi)正確的檢查要(yao)求:對分式聯(lian)(lian)軸(zhou)器(qi)上下間隙需要(yao)均勻,用手盤動聯(lian)(lian)軸(zhou)器(qi)幾(ji)圈檢查轉動的靈活性。


  裝(zhuang)(zhuang)密(mi)(mi)封(feng)座(zuo):先將密(mi)(mi)封(feng)座(zuo)裝(zhuang)(zhuang)入橡膠(jiao)油封(feng),再把密(mi)(mi)封(feng)座(zuo)裝(zhuang)(zhuang)入泵蓋(gai)并壓(ya)(ya)(ya)在(zai)軸(zhou)承(cheng)座(zuo)上,擰緊螺(luo)母,確(que)保所(suo)有安裝(zhuang)(zhuang)螺(luo)釘(ding)(ding)緊固。當安裝(zhuang)(zhuang)螺(luo)釘(ding)(ding)被用作(zuo)密(mi)(mi)封(feng)與軸(zhou)之間(jian)(jian)的驅(qu)動時,軸(zhou)應(ying)(ying)打埋(mai)頭孔來加固連接,緊固壓(ya)(ya)(ya)蓋(gai)螺(luo)栓(shuan)時應(ying)(ying)該(gai)平穩(wen)緊固,并且不(bu)(bu)要使壓(ya)(ya)(ya)蓋(gai)受彈力。在(zai)可能的地方使用4個以上螺(luo)釘(ding)(ding)的等間(jian)(jian)距壓(ya)(ya)(ya)蓋(gai),緊固壓(ya)(ya)(ya)蓋(gai)螺(luo)栓(shuan)時,用塞尺檢查軸(zhou)與壓(ya)(ya)(ya)蓋(gai)之間(jian)(jian)的間(jian)(jian)隙,這在(zai)密(mi)(mi)封(feng)腔對(dui)壓(ya)(ya)(ya)蓋(gai)不(bu)(bu)導向(xiang)時,顯得特別重要,因為壓(ya)(ya)(ya)蓋(gai)必須對(dui)中。