吳中機械密封利用(yong)(yong)(yong)機械(xie)方式(shi)傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)，機械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)在機械(xie)工程(cheng)中應(ying)用(yong)(yong)(yong)非常廣泛，有多種(zhong)形(xing)式(shi)，主要包(bao)括皮(pi)帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、蝸(gua)桿蝸(gua)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、齒(chi)(chi)輪齒(chi)(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)(he)螺旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等(deng)(deng)。齒(chi)(chi)輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)能(neng)夠用(yong)(yong)(yong)于大(da)功(gong)率的(de)(de)場(chang)合，傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比(bi)準(zhun)確，但一般(ban)要求較高(gao)的(de)(de)制造(zao)精度和(he)(he)安(an)裝精度。還(huan)(huan)有一類是靠(kao)機件(jian)間(jian)的(de)(de)摩(mo)擦力(li)傳(chuan)(chuan)(chuan)遞動(dong)(dong)(dong)(dong)力(li)和(he)(he)運動(dong)(dong)(dong)(dong)的(de)(de)摩(mo)擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)，包(bao)括帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)和(he)(he)摩(mo)擦輪傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)等(deng)(deng)。摩(mo)擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)容易實現無(wu)級變(bian)速，可(ke)以(yi)適(shi)應(ying)軸間(jian)距較大(da)的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)場(chang)合，而過載(zai)打滑還(huan)(huan)能(neng)起到緩(huan)沖和(he)(he)保(bao)護(hu)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)裝置的(de)(de)作用(yong)(yong)(yong)，但這種(zhong)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)一般(ban)不能(neng)用(yong)(yong)(yong)于大(da)功(gong)率的(de)(de)場(chang)合，也不能(neng)保(bao)證準(zhun)確的(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)比(bi)。

　　傳動形式多，但是吳中機械密封的更換工作大同小異，首先拆(chai)前需確認電機處于檢修狀(zhuang)態(tai)，擰(ning)下加油螺塞，用(yong)吸管(guan)把密(mi)封座腔內(nei)的潤滑油吸出(chu)。準備(bei)好放(fang)置(zhi)泵零(ling)件的工作臺及拆(chai)裝工具，切勿任意亂(luan)放(fang)亂(luan)用(yong)，避免碰壞(huai)泵的零(ling)部(bu)件。

　　拆對(dui)分式聯軸器：先把聯軸器的固(gu)定內六角螺(luo)釘擰下(xia)(xia)來，再輕(qing)輕(qing)把聯軸器的一半從軸上慢慢拉(la)下(xia)(xia)，注意不要掉了，再用梅花扳手擰下(xia)(xia)泵軸吊緊螺(luo)栓和擋(dang)塊，讓葉(xie)輪慢慢下(xia)(xia)沉至泵體，然后(hou)拆下(xia)(xia)另外一半聯軸器，拿下(xia)(xia)泵軸擋(dang)圈。

　　拆卸吳中機械密封：抓住密封彈簧(huang)順著泵軸往上提，就能拆(chai)下來了。

　　拆卸并清洗軸(zhou)承(cheng)座(zuo)：先輕輕松動一下軸(zhou)承(cheng)座(zuo)后用拆卸螺栓頂起軸(zhou)承(cheng)座(zuo)，并且沿(yan)著泵軸(zhou)往上(shang)提而卸下，再用噴氣燃料清洗軸(zhou)承(cheng)及座(zuo)，裝(zhuang)前晾干(gan)并涂抹(mo)少許20號(hao)機械油用來潤滑(hua)保(bao)護。

　　拆密(mi)封(feng)座(zuo)：擰(ning)下(xia)密(mi)封(feng)座(zuo)壓緊螺(luo)母，輕輕卸下(xia)密(mi)封(feng)座(zuo)并(bing)清洗。

　　吳中機械密封裝(zhuang)配(pei)：在(zai)動(dong)、靜(jing)環(huan)鏡面上(shang)涂(tu)一層潔凈的20號潤滑(hua)油(you)，導軸承座(zuo)也抹(mo)上(shang)潤滑(hua)油(you)，先把靜(jing)環(huan)輕(qing)(qing)輕(qing)(qing)定位(wei)(wei)裝(zhuang)入導軸承座(zuo)，再(zai)在(zai)泵(beng)軸上(shang)抹(mo)上(shang)潤滑(hua)油(you)，把動(dong)環(huan)部分(fen)輕(qing)(qing)輕(qing)(qing)裝(zhuang)入泵(beng)軸上(shang)，用(yong)手輕(qing)(qing)推密封(feng)環(huan)應(ying)能(neng)伸(shen)縮自如，注(zhu)意(yi)動(dong)、靜(jing)環(huan)部分(fen)的防轉部位(wei)(wei)需裝(zhuang)配(pei)到位(wei)(wei)。

　　裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)：在電(dian)機軸(zhou)(zhou)(zhou)(zhou)頭上(shang)裝(zhuang)上(shang)擋圈(quan)，裝(zhuang)上(shang)一(yi)(yi)半(ban)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)，再在泵軸(zhou)(zhou)(zhou)(zhou)端和聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)槽(cao)內裝(zhuang)上(shang)擋塊并用梅花扳手擰緊螺栓；再裝(zhuang)上(shang)另一(yi)(yi)半(ban)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)擰上(shang)內六角(jiao)螺釘。安裝(zhuang)聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)正(zheng)確(que)的檢(jian)查要(yao)求：對分式聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)上(shang)下間隙(xi)需要(yao)均勻，用手盤動聯(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)幾(ji)圈(quan)檢(jian)查轉動的靈活性。

　　裝(zhuang)密(mi)封(feng)座：先將密(mi)封(feng)座裝(zhuang)入(ru)橡膠油封(feng)，再(zai)把密(mi)封(feng)座裝(zhuang)入(ru)泵(beng)蓋(gai)并壓(ya)(ya)在(zai)軸(zhou)承座上，擰緊(jin)(jin)螺(luo)母，確保所有(you)安裝(zhuang)螺(luo)釘(ding)緊(jin)(jin)固(gu)(gu)。當安裝(zhuang)螺(luo)釘(ding)被用作密(mi)封(feng)與(yu)軸(zhou)之(zhi)間的驅(qu)動(dong)時(shi)(shi)，軸(zhou)應打埋頭孔(kong)來加固(gu)(gu)連接，緊(jin)(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)螺(luo)栓(shuan)時(shi)(shi)應該平穩緊(jin)(jin)固(gu)(gu)，并且不要使壓(ya)(ya)蓋(gai)受彈力。在(zai)可能的地方使用4個以上螺(luo)釘(ding)的等間距壓(ya)(ya)蓋(gai)，緊(jin)(jin)固(gu)(gu)壓(ya)(ya)蓋(gai)螺(luo)栓(shuan)時(shi)(shi)，用塞尺檢(jian)查軸(zhou)與(yu)壓(ya)(ya)蓋(gai)之(zhi)間的間隙，這在(zai)密(mi)封(feng)腔(qiang)對壓(ya)(ya)蓋(gai)不導向時(shi)(shi)，顯得特別(bie)重要，因(yin)為壓(ya)(ya)蓋(gai)必須(xu)對中。