汶上機械密封利用(yong)(yong)機械(xie)方式傳(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)力(li)和運(yun)動(dong)(dong)(dong)的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)，機械(xie)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)在機械(xie)工程(cheng)中應用(yong)(yong)非常廣泛，有(you)多種形式，主要包括皮帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、鏈傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、蝸桿(gan)蝸輪(lun)(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、齒(chi)(chi)輪(lun)(lun)齒(chi)(chi)條傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和螺旋傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。齒(chi)(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)能夠用(yong)(yong)于大功(gong)率的(de)(de)(de)場(chang)合，傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比準(zhun)確，但(dan)一般要求較高(gao)的(de)(de)(de)制造精(jing)度和安(an)裝精(jing)度。還有(you)一類是靠機件間的(de)(de)(de)摩擦力(li)傳(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)力(li)和運(yun)動(dong)(dong)(dong)的(de)(de)(de)摩擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)，包括帶傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)和摩擦輪(lun)(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)等。摩擦傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)容(rong)易實現無級變速(su)，可以適應軸(zhou)間距較大的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)場(chang)合，而過載(zai)打滑(hua)還能起(qi)到(dao)緩沖和保護傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)裝置的(de)(de)(de)作用(yong)(yong)，但(dan)這種傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)一般不(bu)能用(yong)(yong)于大功(gong)率的(de)(de)(de)場(chang)合，也不(bu)能保證準(zhun)確的(de)(de)(de)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)比。

　　傳動形式多，但是汶上機械密封的更換工作大(da)同小異，首先拆(chai)前需確認電機處于檢修狀態，擰下加油(you)螺塞，用吸(xi)管把密封(feng)座腔內的潤(run)滑油(you)吸(xi)出。準備好(hao)放置泵(beng)零(ling)件(jian)的工作臺及拆(chai)裝工具，切勿(wu)任(ren)意亂放亂用，避免碰壞(huai)泵(beng)的零(ling)部件(jian)。

　　拆對分(fen)式聯(lian)軸(zhou)器(qi)：先把聯(lian)軸(zhou)器(qi)的固(gu)定內六角螺釘擰下(xia)(xia)(xia)來，再輕輕把聯(lian)軸(zhou)器(qi)的一半從軸(zhou)上慢(man)慢(man)拉下(xia)(xia)(xia)，注意不要(yao)掉了，再用梅花扳手擰下(xia)(xia)(xia)泵(beng)軸(zhou)吊緊螺栓和擋(dang)塊，讓葉輪(lun)慢(man)慢(man)下(xia)(xia)(xia)沉至(zhi)泵(beng)體，然(ran)后(hou)拆下(xia)(xia)(xia)另外(wai)一半聯(lian)軸(zhou)器(qi)，拿(na)下(xia)(xia)(xia)泵(beng)軸(zhou)擋(dang)圈。

　　拆卸汶上機械密封：抓住密封彈簧順著泵(beng)軸往上提(ti)，就能拆下來了(le)。

　　拆卸并清(qing)洗(xi)軸承(cheng)(cheng)座：先輕(qing)(qing)輕(qing)(qing)松動一下(xia)軸承(cheng)(cheng)座后用拆卸螺栓頂起軸承(cheng)(cheng)座，并且沿(yan)著泵軸往上(shang)提而卸下(xia)，再用噴(pen)氣燃料清(qing)洗(xi)軸承(cheng)(cheng)及座，裝前晾干并涂抹少許20號機械油用來潤滑保護。

　　拆(chai)密封座(zuo)(zuo)：擰下(xia)密封座(zuo)(zuo)壓(ya)緊螺(luo)母，輕(qing)輕(qing)卸下(xia)密封座(zuo)(zuo)并清洗。

　　汶上機械密封裝(zhuang)(zhuang)配：在動、靜環(huan)鏡面上(shang)(shang)涂一(yi)層潔凈的20號潤滑(hua)油，導(dao)軸(zhou)承座(zuo)也抹(mo)上(shang)(shang)潤滑(hua)油，先(xian)把(ba)(ba)靜環(huan)輕(qing)(qing)輕(qing)(qing)定(ding)位裝(zhuang)(zhuang)入(ru)(ru)導(dao)軸(zhou)承座(zuo)，再在泵軸(zhou)上(shang)(shang)抹(mo)上(shang)(shang)潤滑(hua)油，把(ba)(ba)動環(huan)部分輕(qing)(qing)輕(qing)(qing)裝(zhuang)(zhuang)入(ru)(ru)泵軸(zhou)上(shang)(shang)，用手輕(qing)(qing)推(tui)密封環(huan)應(ying)能伸縮自如(ru)，注意(yi)動、靜環(huan)部分的防轉部位需裝(zhuang)(zhuang)配到(dao)位。

　　裝聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)：在電機軸(zhou)(zhou)(zhou)頭上(shang)裝上(shang)擋圈，裝上(shang)一半(ban)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)，再在泵(beng)軸(zhou)(zhou)(zhou)端和(he)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)槽內裝上(shang)擋塊并用梅花扳(ban)手擰緊(jin)螺(luo)栓；再裝上(shang)另一半(ban)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)擰上(shang)內六角螺(luo)釘。安裝聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)正確的檢查(cha)(cha)要求(qiu)：對(dui)分式聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)上(shang)下間隙(xi)需要均(jun)勻，用手盤動聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)(qi)(qi)幾圈檢查(cha)(cha)轉動的靈活性。

　　裝(zhuang)(zhuang)(zhuang)密(mi)(mi)封(feng)(feng)座：先將密(mi)(mi)封(feng)(feng)座裝(zhuang)(zhuang)(zhuang)入橡膠油封(feng)(feng)，再把密(mi)(mi)封(feng)(feng)座裝(zhuang)(zhuang)(zhuang)入泵蓋(gai)并壓(ya)在軸承(cheng)座上(shang)，擰緊螺(luo)母，確保所有安(an)裝(zhuang)(zhuang)(zhuang)螺(luo)釘緊固(gu)(gu)。當(dang)安(an)裝(zhuang)(zhuang)(zhuang)螺(luo)釘被用作密(mi)(mi)封(feng)(feng)與軸之間的(de)驅動時(shi)(shi)，軸應打埋頭(tou)孔來加固(gu)(gu)連接，緊固(gu)(gu)壓(ya)蓋(gai)螺(luo)栓時(shi)(shi)應該平穩緊固(gu)(gu)，并且不要使壓(ya)蓋(gai)受彈力。在可能的(de)地方使用4個以上(shang)螺(luo)釘的(de)等間距壓(ya)蓋(gai)，緊固(gu)(gu)壓(ya)蓋(gai)螺(luo)栓時(shi)(shi)，用塞尺檢查軸與壓(ya)蓋(gai)之間的(de)間隙，這在密(mi)(mi)封(feng)(feng)腔對壓(ya)蓋(gai)不導向時(shi)(shi)，顯得特別重要，因為(wei)壓(ya)蓋(gai)必須(xu)對中(zhong)。