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01
多(duo)回轉式電(dian)動(dong)執(zhi)行(xing)器(qi)
多(duo)回轉式電(dian)動(dong)執(zhi)行(xing)器(qi)電(dian)力(li)驅(qu)動(dong)的多回轉式執(zhi)行(xing)機構是(shi)常用、可(ke)靠(kao)的執(zhi)行(xing)機構類(lei)型之(zhi)壹(yi)。使(shi)用單(dan)相(xiang)或三相(xiang)電動(dong)機驅(qu)動(dong)齒輪或蝸(wo)輪(lun)蝸(wo)桿(gan)最(zui)後驅(qu)動(dong)閥(fa)桿(gan)螺(luo)母(mu),閥(fa)桿(gan)螺(luo)母(mu)使(shi)閥(fa)桿(gan)產(chan)生運動(dong)使(shi)閥(fa)門(men)打(da)開或關(guan)閉。
多(duo)回轉式電(dian)動(dong)執(zhi)行(xing)器(qi)可(ke)以(yi)快(kuai)速驅(qu)動(dong)大(da)尺寸閥(fa)門(men)。為(wei)了保護閥(fa)門(men)不(bu)受(shou)損(sun)壞(huai),安裝(zhuang)在(zai)在(zai)閥(fa)門(men)行(xing)程的(de)終(zhong)點的(de)限位開關(guan)會切斷電(dian)機電源(yuan),同(tong)時當(dang)安(an)全力(li)矩(ju)被超(chao)過(guo)時,力(li)矩(ju)感應(ying)裝(zhuang)置(zhi)也(ye)會切斷電(dian)機電源(yuan),位置(zhi)開(kai)關(guan)用於指(zhi)示閥(fa)門(men)的(de)開關(guan)狀態(tai),安裝(zhuang)離(li)合(he)器(qi)裝(zhuang)置(zhi)的(de)手(shou)輪(lun)機構可在(zai)電源(yuan)故障(zhang)時手(shou)動(dong)操(cao)作(zuo)閥(fa)門(men)。
多(duo)回轉式電(dian)動(dong)執(zhi)行(xing)器(qi)的(de)主(zhu)要(yao)優(you)點(dian)是(shi)所(suo)有(you)部(bu)件都(dou)安裝(zhuang)在(zai)壹個(ge)殼(ke)體(ti)內,在(zai)這(zhe)個(ge)防水、防塵(chen)、防爆(bao)的(de)外殼內集(ji)成了所有(you)基(ji)本(ben)及先進的功能。主(zhu)要(yao)缺(que)點(dian)是(shi),當(dang)電(dian)源(yuan)故障(zhang)時,閥(fa)門(men)只(zhi)能保持在(zai)原位,只(zhi)有(you)使(shi)用備用(yong)電(dian)源(yuan)系統(tong),閥(fa)門(men)才(cai)能實(shi)現故障(zhang)安(an)全位置(zhi)(故障(zhang)開(kai)或故障(zhang)關(guan))
多(duo)回轉普(pu)通(tong)開(kai)關(guan)型
智能(neng)壹體(ti)化型(xing)加(jia)電(dian)動(dong)渦輪
智能(neng)防爆(bao)型(xing)

02
部(bu)分回轉閥(fa)門(men)電(dian)動執(zhi)行(xing)器(qi)
這(zhe)種執(zhi)行(xing)機構類(lei)似(si)於電動(dong)多回轉執(zhi)行(xing)機構,主(zhu)要(yao)差(cha)別(bie)是(shi)執(zhi)行(xing)機構最終(zhong)輸出(chu)的(de)是(shi)1/4轉(zhuan)記90度(du)的運(yun)動。新壹代(dai)電(dian)動(dong)單(dan)回轉式執(zhi)行(xing)機構結合(he)了大(da)部(bu)分多回轉執(zhi)行(xing)機構的復(fu)雜功能,例(li)如(ru):使(shi)用非進入(ru)式用(yong)戶友(you)好的操(cao)作(zuo)界(jie)面實(shi)現參數(shu)設(she)定(ding)與診斷功能。緊(jin)湊可(ke)以(yi)安(an)裝(zhuang)到(dao)小(xiao)尺(chi)寸閥(fa)門(men)上,通(tong)常輸出(chu)力(li)矩(ju)可達(da)800N.M,另(ling)外應為(wei)所需(xu)電源(yuan)較(jiao)小,它們可(ke)以(yi)安(an)裝(zhuang)電(dian)池(chi)來實(shi)現(xian)故障(zhang)安(an)全操(cao)作(zuo)。
鋁(lv)殼智能(neng)調節(jie)型角(jiao)行程
智能(neng)壹體(ti)化防爆(bao)型(xing)
部(bu)分回轉普(pu)通(tong)開(kai)關(guan)型

03
精小型(xing)閥(fa)門(men)電(dian)動執(zhi)行(xing)器(qi)
以(yi)AC交流(liu)電(dian)或DC直流(liu)電(dian)為(wei)驅(qu)動(dong)能源(yuan);根(gen)據動作(zuo)方式分(fen)為(wei)兩大(da)類(lei)(電動(dong)開關(guan)型和電(dian)動(dong)調節(jie)型)小(xiao)型(xing)電(dian)動執(zhi)行(xing)器(qi)優(you)點是(shi)能(neng)源(yuan)取用方便(bian),信號(hao)傳(chuan)輸(shu)速(su)度(du)快,傳(chuan)輸(shu)距(ju)離(li)遠(yuan),便(bian)於集(ji)中(zhong)控制(zhi),靈(ling)敏度(du)和精度(du)較高(gao),與電動調節(jie)儀(yi)表(biao)配(pei)合方(fang)便(bian),安(an)裝(zhuang)接(jie)線(xian)簡(jian)單(dan)。缺點(dian)是(shi)結(jie)構復(fu)雜,平(ping)均故障(zhang)率(lv)高於氣動(dong)執(zhi)行(xing)機構,適用(yong)於防爆(bao)要(yao)求(qiu)不(bu)高(gao),氣源(yuan)缺(que)乏的場(chang)所。
普(pu)通(tong)開(kai)關(guan)戶外(wai)型(xing)
精小型(xing)防爆(bao)開(kai)關(guan)型
BR精小型(xing)帶智能(neng)液(ye)晶顯示

04
流(liu)體(ti)驅(qu)動(dong)多回轉式或直線輸出(chu)電(dian)動(dong)執(zhi)行(xing)器(qi)
這(zhe)種類(lei)型執(zhi)行(xing)機構經常用於操(cao)作(zuo)直通(tong)閥(fa)(截(jie)止(zhi)閥(fa))和閘(zha)閥(fa),它們使(shi)用氣動(dong)或液(ye)動(dong)操(cao)作(zuo)方式。結(jie)構簡單(dan),工作(zuo)可靠(kao),很容(rong)易實(shi)現(xian)故障(zhang)安(an)全操(cao)作(zuo)模式。通(tong)常情況(kuang)下人們使(shi)用電動多(duo)回轉執(zhi)行(xing)機構來驅(qu)動(dong)閘(zha)閥(fa)和截(jie)止(zhi)閥(fa),只(zhi)有(you)在(zai)無(wu)電(dian)源(yuan)時才(cai)考慮(lv)使(shi)用液(ye)動(dong)或氣動(dong)執(zhi)行(xing)機構。


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