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五湖漁場如何對機械密封進行更換工作

發(fa)布時間:2021-12-17 11:49:09 人氣:98899 來源:

  五湖漁場機械密封利用(yong)機械方式(shi)傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)(li)和運動(dong)(dong)(dong)(dong)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong),機械傳(chuan)(chuan)動(dong)(dong)(dong)(dong)在機械工程中應(ying)用(yong)非常廣泛,有多種(zhong)形式(shi),主要(yao)包括皮帶傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)(chi)輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、蝸桿蝸輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)(chi)輪(lun)齒(chi)(chi)條傳(chuan)(chuan)動(dong)(dong)(dong)(dong)和螺(luo)旋(xuan)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)等(deng)。齒(chi)(chi)輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)能(neng)(neng)(neng)夠用(yong)于大(da)功(gong)率(lv)的(de)場(chang)合,傳(chuan)(chuan)動(dong)(dong)(dong)(dong)比準(zhun)確(que),但(dan)一般要(yao)求較高的(de)制(zhi)造(zao)精度(du)和安裝精度(du)。還有一類是靠機件間的(de)摩(mo)擦(ca)力(li)(li)傳(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)力(li)(li)和運動(dong)(dong)(dong)(dong)的(de)摩(mo)擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong),包括帶傳(chuan)(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)動(dong)(dong)(dong)(dong)和摩(mo)擦(ca)輪(lun)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)等(deng)。摩(mo)擦(ca)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)容易實現無級(ji)變(bian)速(su),可以適應(ying)軸間距較大(da)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)場(chang)合,而過載打滑(hua)還能(neng)(neng)(neng)起(qi)到緩沖和保(bao)護(hu)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)裝置的(de)作(zuo)用(yong),但(dan)這(zhe)種(zhong)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)一般不能(neng)(neng)(neng)用(yong)于大(da)功(gong)率(lv)的(de)場(chang)合,也(ye)不能(neng)(neng)(neng)保(bao)證準(zhun)確(que)的(de)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)比。


  傳動形式多,但是五湖漁場機械密封的(de)更換工(gong)作大同(tong)小異(yi),首先拆(chai)前需確認電機處于(yu)檢(jian)修狀態,擰下加油(you)螺塞(sai),用吸(xi)(xi)管(guan)把密封(feng)座(zuo)腔內的(de)潤滑油(you)吸(xi)(xi)出(chu)。準備(bei)好放置泵零件(jian)的(de)工(gong)作臺及拆(chai)裝工(gong)具,切勿任意亂放亂用,避免(mian)碰壞泵的(de)零部件(jian)。


  拆對分式聯(lian)(lian)軸器(qi):先(xian)把(ba)(ba)聯(lian)(lian)軸器(qi)的固定內六角螺釘擰下(xia)來,再(zai)輕(qing)輕(qing)把(ba)(ba)聯(lian)(lian)軸器(qi)的一半從(cong)軸上(shang)慢慢拉(la)下(xia),注意(yi)不要掉了,再(zai)用梅花扳手擰下(xia)泵軸吊(diao)緊螺栓和擋塊,讓(rang)葉(xie)輪慢慢下(xia)沉(chen)至泵體,然后(hou)拆下(xia)另外一半聯(lian)(lian)軸器(qi),拿下(xia)泵軸擋圈。

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  拆卸五湖漁場機械密封:抓住(zhu)密封彈簧順著泵軸往上(shang)提,就能拆(chai)下來了(le)。


  拆卸并清洗(xi)軸(zhou)承座:先輕輕松動一下軸(zhou)承座后(hou)用(yong)拆卸螺栓頂起軸(zhou)承座,并且沿著泵軸(zhou)往上提(ti)而卸下,再用(yong)噴氣燃料清洗(xi)軸(zhou)承及座,裝前晾(liang)干(gan)并涂抹(mo)少許(xu)20號機械(xie)油用(yong)來(lai)潤滑保護。


  拆密(mi)封(feng)座:擰下(xia)密(mi)封(feng)座壓緊螺(luo)母,輕(qing)輕(qing)卸(xie)下(xia)密(mi)封(feng)座并(bing)清洗。


  五湖漁場機械密封裝(zhuang)配:在(zai)動、靜(jing)環(huan)鏡(jing)面上涂一(yi)層潔(jie)凈的(de)20號(hao)潤(run)滑油(you),導軸承(cheng)座(zuo)也(ye)抹(mo)上潤(run)滑油(you),先把(ba)靜(jing)環(huan)輕(qing)(qing)輕(qing)(qing)定(ding)位裝(zhuang)入導軸承(cheng)座(zuo),再在(zai)泵(beng)(beng)軸上抹(mo)上潤(run)滑油(you),把(ba)動環(huan)部(bu)(bu)分輕(qing)(qing)輕(qing)(qing)裝(zhuang)入泵(beng)(beng)軸上,用手(shou)輕(qing)(qing)推密封環(huan)應能伸縮自如,注意(yi)動、靜(jing)環(huan)部(bu)(bu)分的(de)防轉部(bu)(bu)位需裝(zhuang)配到位。


  裝聯(lian)(lian)(lian)軸器:在電機軸頭(tou)上(shang)(shang)(shang)(shang)裝上(shang)(shang)(shang)(shang)擋圈(quan),裝上(shang)(shang)(shang)(shang)一半聯(lian)(lian)(lian)軸器,再(zai)(zai)在泵軸端(duan)和(he)聯(lian)(lian)(lian)軸器槽內(nei)裝上(shang)(shang)(shang)(shang)擋塊并用(yong)梅花扳(ban)手(shou)擰(ning)緊螺(luo)栓;再(zai)(zai)裝上(shang)(shang)(shang)(shang)另(ling)一半聯(lian)(lian)(lian)軸器擰(ning)上(shang)(shang)(shang)(shang)內(nei)六角(jiao)螺(luo)釘。安(an)裝聯(lian)(lian)(lian)軸器正確的檢查要求:對(dui)分式聯(lian)(lian)(lian)軸器上(shang)(shang)(shang)(shang)下(xia)間隙需要均勻,用(yong)手(shou)盤動聯(lian)(lian)(lian)軸器幾圈(quan)檢查轉動的靈(ling)活性。


  裝(zhuang)密封(feng)座(zuo):先將密封(feng)座(zuo)裝(zhuang)入橡膠(jiao)油封(feng),再(zai)把密封(feng)座(zuo)裝(zhuang)入泵蓋(gai)(gai)(gai)并(bing)壓(ya)在軸承座(zuo)上(shang),擰緊(jin)螺(luo)母,確(que)保所有安裝(zhuang)螺(luo)釘緊(jin)固(gu)(gu)(gu)。當安裝(zhuang)螺(luo)釘被(bei)用(yong)作密封(feng)與軸之間(jian)的驅動時(shi)(shi),軸應打埋頭(tou)孔來加固(gu)(gu)(gu)連接,緊(jin)固(gu)(gu)(gu)壓(ya)蓋(gai)(gai)(gai)螺(luo)栓時(shi)(shi)應該平穩(wen)緊(jin)固(gu)(gu)(gu),并(bing)且不要使壓(ya)蓋(gai)(gai)(gai)受彈(dan)力。在可能的地方(fang)使用(yong)4個以(yi)上(shang)螺(luo)釘的等間(jian)距壓(ya)蓋(gai)(gai)(gai),緊(jin)固(gu)(gu)(gu)壓(ya)蓋(gai)(gai)(gai)螺(luo)栓時(shi)(shi),用(yong)塞尺檢查軸與壓(ya)蓋(gai)(gai)(gai)之間(jian)的間(jian)隙(xi),這(zhe)在密封(feng)腔對(dui)(dui)壓(ya)蓋(gai)(gai)(gai)不導向時(shi)(shi),顯得特別重要,因為(wei)壓(ya)蓋(gai)(gai)(gai)必須對(dui)(dui)中(zhong)。