電動(dong)(dong)(dong)推桿由驅動(dong)(dong)(dong)電機、減速齒輪(lun)、螺(luo)桿、螺(luo)母(mu)、導套、推桿、滑(hua)座、彈簧、外殼及渦輪(lun)、微(wei)動(dong)(dong)(dong)控制(zhi)開關(guan)等組成(cheng)。

電(dian)(dian)動(dong)(dong)(dong)推(tui)桿(gan)是一(yi)種(zhong)新(xin)型(xing)的電(dian)(dian)動(dong)(dong)(dong)執行(xing)機構，電(dian)(dian)動(dong)(dong)(dong)推(tui)桿(gan)主(zhu)要由電(dian)(dian)機、推(tui)桿(gan)和控(kong)制裝置等機構組成(cheng)的一(yi)種(zhong)新(xin)型(xing)直(zhi)線執行(xing)機構，可(ke)以實現遠距離控(kong)制、集中控(kong)制。電(dian)(dian)動(dong)(dong)(dong)推(tui)桿(gan)在一(yi)定范(fan)圍行(xing)程(cheng)(cheng)內(nei)作往(wang)返(fan)運動(dong)(dong)(dong)，一(yi)般電(dian)(dian)動(dong)(dong)(dong)推(tui)桿(gan)標準行(xing)程(cheng)(cheng)在，100，150，200，250，300，350，400mm，特殊(shu)行(xing)程(cheng)(cheng)也可(ke)根據(ju)不同(tong)應(ying)用(yong)條件要求設計定做。

電(dian)動(dong)(dong)推桿(gan)(gan)可(ke)以根據不同(tong)的(de)(de)(de)應用(yong)(yong)負(fu)荷(he)而設(she)計(ji)不同(tong)推力(li)的(de)(de)(de)電(dian)動(dong)(dong)推桿(gan)(gan)，一(yi)般其最大推力(li)可(ke)達(da)6000N，空載運行(xing)(xing)速度為(wei)4mm~35mm/s，電(dian)動(dong)(dong)推桿(gan)(gan)以24V/12V直流永磁電(dian)機(ji)(ji)(ji)為(wei)動(dong)(dong)力(li)源(yuan)，把電(dian)機(ji)(ji)(ji)的(de)(de)(de)旋(xuan)轉運動(dong)(dong)轉化為(wei)直線往(wang)復運動(dong)(dong)，推動(dong)(dong)一(yi)組連(lian)桿(gan)(gan)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)來(lai)完成風門(men)(men)、閥(fa)門(men)(men)、閘門(men)(men)、擋(dang)板等(deng)(deng)切換工(gong)作(zuo)(zuo)。采用(yong)(yong)電(dian)動(dong)(dong)推桿(gan)(gan)作(zuo)(zuo)為(wei)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)不僅可(ke)減少采用(yong)(yong)氣(qi)(qi)動(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)所需(xu)的(de)(de)(de)氣(qi)(qi)源(yuan)裝置和輔助設(she)備，也(ye)可(ke)減少執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)的(de)(de)(de)重(zhong)量。氣(qi)(qi)動(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)在整個控(kong)制(zhi)運行(xing)(xing)過(guo)程中都需(xu)要有(you)一(yi)定(ding)的(de)(de)(de)氣(qi)(qi)壓(ya)，雖然可(ke)采用(yong)(yong)消耗量小的(de)(de)(de)放大器等(deng)(deng)，但日(ri)積月(yue)累，耗氣(qi)(qi)量仍是巨大的(de)(de)(de)。采用(yong)(yong)電(dian)動(dong)(dong)推桿(gan)(gan)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)，在改變(bian)控(kong)制(zhi)開度時，需(xu)要供電(dian)，在達(da)到(dao)所需(xu)開度時就(jiu)可(ke)不再供電(dian)，因此從節能看，電(dian)動(dong)(dong)推桿(gan)(gan)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)比氣(qi)(qi)動(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)有(you)明(ming)顯(xian)節能優點(dian)。適用(yong)(yong)于(yu)遠距離操縱而廣泛(fan)用(yong)(yong)于(yu)電(dian)力(li)、化工(gong)、冶(ye)金、礦山、輕(qing)工(gong)、交通、船舶等(deng)(deng)部(bu)門(men)(men)的(de)(de)(de)風門(men)(men)、閥(fa)門(men)(men)、閘門(men)(men)等(deng)(deng)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)的(de)(de)(de)啟(qi)閉、物(wu)料裝卸(xie)、流量控(kong)制(zhi)等(deng)(deng)，現已被越來(lai)越多的(de)(de)(de)部(bu)門(men)(men)用(yong)(yong)它(ta)來(lai)代替機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)手(shou)、液壓(ya)閥(fa)、減速傳動(dong)(dong)機(ji)(ji)(ji)構(gou)(gou)(gou)(gou)(gou)(gou)的(de)(de)(de)自動(dong)(dong)裝置。