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發布時間:2021-12-17 11:49:09 人氣(qi):98809 來源:
秀洲機械密封利用(yong)(yong)(yong)機(ji)(ji)械(xie)方式傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)和運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong),機(ji)(ji)械(xie)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)在(zai)機(ji)(ji)械(xie)工程(cheng)中應(ying)用(yong)(yong)(yong)非常廣泛(fan),有多種(zhong)形式,主要包(bao)括(kuo)皮(pi)帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、鏈(lian)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、蝸(gua)桿蝸(gua)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、齒(chi)輪(lun)(lun)齒(chi)條(tiao)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)和螺旋傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。齒(chi)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)能夠用(yong)(yong)(yong)于大(da)功率(lv)的(de)(de)場合,傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)準確(que),但一(yi)(yi)般要求較高(gao)的(de)(de)制造(zao)精度(du)和安裝精度(du)。還有一(yi)(yi)類(lei)是靠(kao)機(ji)(ji)件間的(de)(de)摩擦(ca)(ca)力(li)傳(chuan)(chuan)(chuan)(chuan)遞(di)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)和運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong),包(bao)括(kuo)帶傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)、繩傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)和摩擦(ca)(ca)輪(lun)(lun)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)等。摩擦(ca)(ca)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)容(rong)易實(shi)現無級變速,可(ke)以適應(ying)軸間距較大(da)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)場合,而過(guo)載打滑還能起到(dao)緩沖(chong)和保(bao)護傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置的(de)(de)作用(yong)(yong)(yong),但這種(zhong)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)一(yi)(yi)般不(bu)能用(yong)(yong)(yong)于大(da)功率(lv)的(de)(de)場合,也不(bu)能保(bao)證準確(que)的(de)(de)傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)比(bi)。
傳動形式多,但是秀洲機械密封的(de)更換工作大同小異(yi),首先拆(chai)(chai)前需確認(ren)電機處于檢(jian)修狀態(tai),擰下加油螺塞,用(yong)吸(xi)管把密封座腔內的(de)潤滑油吸(xi)出(chu)。準備(bei)好放置(zhi)泵(beng)(beng)零件的(de)工作臺(tai)及拆(chai)(chai)裝工具,切勿任意(yi)亂(luan)放亂(luan)用(yong),避免碰壞(huai)泵(beng)(beng)的(de)零部件。
拆(chai)對分式聯(lian)(lian)軸(zhou)器(qi):先把(ba)聯(lian)(lian)軸(zhou)器(qi)的固(gu)定內六角螺釘(ding)擰(ning)下(xia)來,再輕(qing)輕(qing)把(ba)聯(lian)(lian)軸(zhou)器(qi)的一半(ban)從軸(zhou)上慢慢拉下(xia),注意不要掉了,再用梅(mei)花扳手(shou)擰(ning)下(xia)泵(beng)軸(zhou)吊緊螺栓(shuan)和擋塊,讓葉輪(lun)慢慢下(xia)沉至泵(beng)體,然后拆(chai)下(xia)另外一半(ban)聯(lian)(lian)軸(zhou)器(qi),拿下(xia)泵(beng)軸(zhou)擋圈。
拆卸秀洲機械密封:抓住(zhu)密封彈簧順著泵軸(zhou)往上(shang)提,就能拆下來了(le)。
拆(chai)卸(xie)并(bing)清洗軸(zhou)承座:先輕輕松動一(yi)下(xia)軸(zhou)承座后用(yong)(yong)拆(chai)卸(xie)螺栓頂起軸(zhou)承座,并(bing)且(qie)沿著泵軸(zhou)往上提而(er)卸(xie)下(xia),再用(yong)(yong)噴氣燃料清洗軸(zhou)承及座,裝(zhuang)前晾干并(bing)涂抹(mo)少許20號機械(xie)油用(yong)(yong)來潤滑保(bao)護。
拆(chai)密(mi)封座(zuo):擰下(xia)密(mi)封座(zuo)壓緊(jin)螺母(mu),輕輕卸(xie)下(xia)密(mi)封座(zuo)并清(qing)洗。
秀洲機械密封裝配:在動、靜(jing)環鏡(jing)面上涂一(yi)層潔凈的20號潤滑油,導(dao)軸(zhou)承(cheng)座也抹(mo)上潤滑油,先把靜(jing)環輕輕定位(wei)裝入導(dao)軸(zhou)承(cheng)座,再在泵軸(zhou)上抹(mo)上潤滑油,把動環部分輕輕裝入泵軸(zhou)上,用手(shou)輕推密封環應能伸縮自如,注(zhu)意(yi)動、靜(jing)環部分的防(fang)轉部位(wei)需(xu)裝配到位(wei)。
裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)(zhou)器:在電機(ji)軸(zhou)(zhou)頭上(shang)(shang)裝(zhuang)(zhuang)上(shang)(shang)擋圈,裝(zhuang)(zhuang)上(shang)(shang)一半(ban)聯(lian)(lian)(lian)軸(zhou)(zhou)器,再在泵軸(zhou)(zhou)端和聯(lian)(lian)(lian)軸(zhou)(zhou)器槽內裝(zhuang)(zhuang)上(shang)(shang)擋塊并用梅花扳(ban)手(shou)擰(ning)緊螺栓;再裝(zhuang)(zhuang)上(shang)(shang)另一半(ban)聯(lian)(lian)(lian)軸(zhou)(zhou)器擰(ning)上(shang)(shang)內六(liu)角螺釘。安裝(zhuang)(zhuang)聯(lian)(lian)(lian)軸(zhou)(zhou)器正(zheng)確的檢(jian)查(cha)(cha)要求:對分(fen)式聯(lian)(lian)(lian)軸(zhou)(zhou)器上(shang)(shang)下間隙(xi)需要均勻,用手(shou)盤動(dong)(dong)聯(lian)(lian)(lian)軸(zhou)(zhou)器幾(ji)圈檢(jian)查(cha)(cha)轉動(dong)(dong)的靈(ling)活(huo)性(xing)。
裝(zhuang)密(mi)(mi)封(feng)座(zuo)(zuo)(zuo):先將(jiang)密(mi)(mi)封(feng)座(zuo)(zuo)(zuo)裝(zhuang)入橡膠油封(feng),再(zai)把(ba)密(mi)(mi)封(feng)座(zuo)(zuo)(zuo)裝(zhuang)入泵蓋(gai)(gai)并壓(ya)在軸(zhou)承座(zuo)(zuo)(zuo)上(shang),擰緊(jin)螺(luo)母,確保所有安裝(zhuang)螺(luo)釘(ding)緊(jin)固。當安裝(zhuang)螺(luo)釘(ding)被用(yong)作密(mi)(mi)封(feng)與軸(zhou)之(zhi)間(jian)的驅動時(shi),軸(zhou)應(ying)打埋頭孔來加固連接,緊(jin)固壓(ya)蓋(gai)(gai)螺(luo)栓(shuan)時(shi)應(ying)該(gai)平穩緊(jin)固,并且(qie)不(bu)要(yao)使(shi)(shi)壓(ya)蓋(gai)(gai)受彈(dan)力(li)。在可能(neng)的地方使(shi)(shi)用(yong)4個以上(shang)螺(luo)釘(ding)的等間(jian)距壓(ya)蓋(gai)(gai),緊(jin)固壓(ya)蓋(gai)(gai)螺(luo)栓(shuan)時(shi),用(yong)塞尺檢查(cha)軸(zhou)與壓(ya)蓋(gai)(gai)之(zhi)間(jian)的間(jian)隙,這(zhe)在密(mi)(mi)封(feng)腔(qiang)對壓(ya)蓋(gai)(gai)不(bu)導向時(shi),顯得特(te)別重(zhong)要(yao),因(yin)為壓(ya)蓋(gai)(gai)必須對中(zhong)。