LM24A-SR-T-2.0型瑞(rui)士BELIMO執(zhí)(zhi)行(xing)器(qi)的工(gong)作原(yuan)理(li):
瑞士BELIMO執(zhí)(zhi)行(xing)器(qi)在齒(chi)輪(lun)級(jí),發(fā)動(dòng)(dong)機(jī)(ji)的轉(zhuǎn)速可(ke)通過(guò)(guo)兩套齒(chi)輪(lun)傳(chuan)送到(dao)輸出桿(gan)上。主減(jian)速器由行(xing)星(xing)齒(chi)輪(lun)完(wan)成(cheng),副減(jian)速器由蝸(wo)輪(lun)實(shí)(shi)現(xiàn),它被(bei)壹(yi)套繃緊的彈簧(huang)固(gu)定(ding)在中(zhong)心(xin)位置(zhi)。在發(fā)生(sheng)過(guò)(guo)載的情況(kuang)下(xia),也(ye)就(jiu)是輸出桿(gan)超過(guò)(guo)了(le)彈簧(huang)的(de)設(shè)(she)定轉(zhuǎn)矩(ju)時(shí),中央蝸(wo)輪(lun)會(huì)發(fā)生(sheng)軸向(xiang)位移,對(duì)開(kāi)關(guān)及信(xin)號(hào)(hao)裝(zhuang)置(zhi)進(jìn)行(xing)微(wei)調(diào)(tiao),為(wei)系統(tǒng)提(ti)供(gong)保護(hù)(hu)。 受(shou)由外(wai)部變(bian)化(hua)控(kong)制桿(gan)操縱(zong)的耦(ou)合的作用,輸出桿(gan)在發(fā)動(dòng)(dong)機(jī)(ji)工(gong)作時(shí)與(yu)蝸輪(lun)耦合,在手(shou)動(dòng)(dong)操(cao)作時(shí)與(yu)手輪(lun)耦合。當(dāng)發(fā)動(dòng)(dong)機(jī)(ji)不工(gong)作時(shí),可(ke)以很(hen)容(rong)易(yi)地(di)斷掉電(dian)機(jī)驅(qū)(qu)動(dòng)(dong),並(bing)且只需(xu)壓壹(yi)下(xia)控(kong)制桿(gan)即可(ke)連上手輪(lun)。由於(yu)電(dian)機(jī)驅(qū)(qu)動(dòng)(dong)優(yōu)(you)先於(yu)手(shou)動(dòng)(dong)操(cao)作,因(yin)此當(dāng)發(fā)動(dòng)(dong)機(jī)(ji)再次(ci)啟(qi)動(dòng)(dong)時(shí),會(huì)自(zi)動(dòng)(dong)發(fā)生(sheng)反向(xiang)動(dòng)(dong)作(zuo)。這樣(yang)就可(ke)以避免(mian)當(dāng)發(fā)動(dòng)(dong)機(jī)(ji)運(yùn)(yun)轉(zhuǎn)時(shí)還(hai)開(kāi)啟(qi)手(shou)輪(lun),有利(li)於保(bao)護(hù)(hu)系(xi)統(tǒng)。
由於(yu)手輪(lun)直(zhi)接(jie)與(yu)輸出桿(gan)耦合,因此可(ke)以保(bao)證(zheng)在內(nèi)部齒(chi)輪(lun)失靈(ling)或損壞時(shí)閥(fa)門(mén)的正常手(shou)動(dòng)(dong)操(cao)作。
安裝(zhuang)在齒(chi)輪(lun)上的開(kāi)關(guān)與(yu)信號(hào)(hao)裝(zhuang)置是(shi)壹(yi)個(gè)密封(feng)外殼(ke),保(bao)護(hù)(hu)其(qi)內(nèi)部的元(yuan)件實(shí)(shi)現(xiàn)以下功能:
l 本(ben)地(di)或遠(yuǎn)程顯示閥(fa)門(mén)位置
l 執(zhí)(zhi)行(xing)器(qi)/閥(fa)門(mén)的過(guò)(guo)載保護(hù)(hu)
l 限(xian)定閥(fa)門(mén)行(xing)程(cheng)範(fàn)(fan)圍(wei)
l 電(dian)氣(qi)接(jie)口(kou)
瑞士BELIMO執(zhí)(zhi)行(xing)器(qi)在不同型號(hào)(hao)閥(fa)門(mén)上的安裝(zhuang)是(shi)通過(guò)(guo)輸出桿(gan)來(lái)完(wan)成(cheng)的,它可(ke)適用(yong)於(yu)現(xiàn)有的多(duo)種閥(fa)桿(gan)組態(tài)。
瑞(rui)士BELIMO執(zhí)(zhi)行(xing)器(qi)是自(zi)動(dòng)(dong)控(kong)制系(xi)統(tǒng)中(zhong)可(ke)少(shao)的壹(yi)個(gè)重要組成(cheng)部分。它的作用是(shi)接(jie)受(shou)控(kong)制器(qi)送(song)來(lái)的(de)控制信(xin)號(hào)(hao),改(gai)變(bian)被(bei)控介(jie)質(zhì)的(de)大小(xiao),從而(er)將被(bei)控變(bian)量維持在所(suo)要求的數(shù)值上或壹(yi)定(ding)的(de)範(fàn)(fan)圍(wei)內(nèi)。瑞士BELIMO執(zhí)(zhi)行(xing)器(qi)按(an)其(qi)能(neng)源(yuan)形式可(ke)分為(wei)氣(qi)動(dòng)(dong)、液動(dòng)(dong)、電(dian)動(dòng)(dong)三(san)大類(lèi)(lei)。氣(qi)動(dòng)(dong)執(zhí)(zhi)行(xing)器(qi)用壓(ya)縮空氣(qi)作(zuo)為(wei)能源,其(qi)特(te)點(diǎn)是結(jié)(jie)構(gòu)簡(jiǎn)單(dan)、動(dòng)(dong)作(zuo)可(ke)靠、平穩(wěn)、輸出推力(li)較(jiao)大(da)、維修方便、防火(huo)防爆,而(er)且價(jià)格(ge)較(jiao)低(di),因(yin)此廣泛(fan)地(di)應(yīng)用(yong)於(yu)化(hua)工(gong)、造(zao)紙(zhi)、煉(lian)油(you)等(deng)生(sheng)產(chǎn)過(guò)(guo)程中(zhong),它可(ke)以方(fang)便(bian)地(di)與(yu)被(bei)動(dòng)(dong)儀(yi)表配套使用。即使(shi)是(shi)使(shi)用電(dian)動(dòng)(dong)儀(yi)表或計(jì)(ji)算(suan)機(jī)控(kong)制時(shí),只要經(jīng)過(guò)(guo)電(dian)-氣(qi)轉(zhuǎn)換器(qi)或電(dian)-氣(qi)閥(fa)門(mén)定位器將電(dian)信號(hào)(hao)轉(zhuǎn)換為(wei)20-100kPa的標(biāo)(biao)準(zhǔn)(zhun)氣(qi)壓(ya)信號(hào)(hao),仍(reng)然可(ke)用氣(qi)動(dòng)(dong)執(zhí)(zhi)行(xing)器(qi)。
瑞士BELIMO執(zhí)(zhi)行(xing)器(qi)是自(zi)動(dòng)(dong)控(kong)制系(xi)統(tǒng)中(zhong)的(de)執(zhí)(zhi)行(xing)機(jī)(ji)構(gòu)和控(kong)制閥(fa)組合體。它在自(zi)動(dòng)(dong)化(hua)控(kong)制系(xi)統(tǒng)中(zhong)的(de)作用(yong)是(shi)接(jie)受(shou)來(lái)(lai)自(zi)調(diào)(tiao)節(jié)(jie)器或計(jì)(ji)算(suan)機(jī)(DCS、PLC等(deng))發(fā)出的(de)信(xin)號(hào)(hao),以其(qi)在工(gong)藝(yi)管路的位置和特(te)性(xing),調(diào)(tiao)節(jié)(jie)工(gong)藝(yi)介質(zhì)的(de)流量,從而(er)將被(bei)控自(zi)動(dòng)(dong)化(hua)儀(yi)表在生(sheng)產(chǎn)過(guò)(guo)程所(suo)要求的範(fàn)(fan)圍(wei)內(nèi)。
瑞士BELIMO執(zhí)(zhi)行(xing)器(qi)企(qi)業(yè)通過(guò)(guo)應(yīng)用(yong)CRM系統(tǒng),能(neng)夠(gou)建立起完(wan)善、高效、靈(ling)活(huo)、集(ji)成(cheng)的營(yíng)(ying)銷(xiāo)(xiao)信息化(hua)平臺(tái)(tai),實(shí)(shi)現(xiàn)了(le)下列目標(biāo)(biao),並(bing)且?guī)?bang)助了(le)企(qi)業(yè)在激(ji)烈的(de)市(shi)場(chǎng)競(jìng)爭(zhēng)(zheng)中(zhong)取(qu)得(de)優(yōu)(you)勢(shì):
>1、 全(quan)面有(you)效(xiao)的(de)管理(li)客戶信(xin)息(xi)資(zi)源與(yu)市場(chǎng)競(jìng)爭(zhēng)(zheng)信(xin)息(xi);
>2、 全(quan)程掌(zhang)握(wo)銷(xiāo)(xiao)售(shou)中機(jī)會(huì)線(xian)索(suo)、采購(gòu)、銷(xiāo)(xiao)售、合同、費(fèi)(fei)用、服務(wù)(wu)、關(guān)懷等(deng)每個(gè)細(xì)(xi)節(jié);
>3、 多(duo)角(jiao)度(du)的(de)客(ke)戶、銷(xiāo)(xiao)售(shou)、應(yīng)(ying)收帳款分析為(wei)決策提供(gong)了(le)依據(jù);
>4、 全(quan)新的(de)服(fu)務(wù)(wu)關(guān)懷管理(li)思想(xiang)貫穿(chuan)售前(qian)、售中、售後(hou);
>5、 全(quan)員實(shí)(shi)現(xiàn)協(xié)同辦(ban)公(gong)、信(xin)息(xi)發(fā)布(bu)共享、文檔集(ji)中管理(li)
產(chǎn)品(pin)實(shí)(shi)物如下圖(tu)所示:
