電動(dong)推(tui)桿(gan)由驅動(dong)電機、減速齒輪、螺(luo)(luo)桿(gan)、螺(luo)(luo)母、導套(tao)、推(tui)桿(gan)、滑座、彈簧、外殼(ke)及渦輪、微動(dong)控制(zhi)開關等組成(cheng)。

電(dian)動(dong)推(tui)桿(gan)是一(yi)(yi)種(zhong)新(xin)型的(de)電(dian)動(dong)執行(xing)機(ji)構(gou)，電(dian)動(dong)推(tui)桿(gan)主要(yao)(yao)由電(dian)機(ji)、推(tui)桿(gan)和控制(zhi)裝置等機(ji)構(gou)組成的(de)一(yi)(yi)種(zhong)新(xin)型直線執行(xing)機(ji)構(gou)，可以實現遠距(ju)離(li)控制(zhi)、集中(zhong)控制(zhi)。電(dian)動(dong)推(tui)桿(gan)在(zai)一(yi)(yi)定范圍行(xing)程(cheng)內(nei)作往返運(yun)動(dong)，一(yi)(yi)般電(dian)動(dong)推(tui)桿(gan)標準行(xing)程(cheng)在(zai)，100，150，200，250，300，350，400mm，特殊行(xing)程(cheng)也可根(gen)據不同應用條件要(yao)(yao)求設計定做。

電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)可以根據不同(tong)的(de)(de)應用負荷而(er)設計不同(tong)推(tui)(tui)(tui)(tui)力(li)(li)的(de)(de)電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)，一(yi)般(ban)其最大推(tui)(tui)(tui)(tui)力(li)(li)可達6000N，空載運行(xing)(xing)速度為(wei)(wei)(wei)4mm~35mm/s，電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)以24V/12V直(zhi)(zhi)流(liu)永磁電(dian)(dian)機為(wei)(wei)(wei)動(dong)(dong)(dong)力(li)(li)源，把電(dian)(dian)機的(de)(de)旋轉運動(dong)(dong)(dong)轉化為(wei)(wei)(wei)直(zhi)(zhi)線(xian)往復運動(dong)(dong)(dong)，推(tui)(tui)(tui)(tui)動(dong)(dong)(dong)一(yi)組連桿(gan)(gan)機構(gou)(gou)(gou)(gou)來(lai)完成(cheng)風門、閥門、閘門、擋(dang)板(ban)等(deng)切換工(gong)作(zuo)。采用電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)作(zuo)為(wei)(wei)(wei)執行(xing)(xing)機構(gou)(gou)(gou)(gou)不僅可減(jian)少(shao)采用氣(qi)動(dong)(dong)(dong)執行(xing)(xing)機構(gou)(gou)(gou)(gou)所需(xu)(xu)的(de)(de)氣(qi)源裝(zhuang)置和(he)輔助(zhu)設備(bei)，也(ye)可減(jian)少(shao)執行(xing)(xing)機構(gou)(gou)(gou)(gou)的(de)(de)重(zhong)量(liang)。氣(qi)動(dong)(dong)(dong)執行(xing)(xing)機構(gou)(gou)(gou)(gou)在(zai)(zai)整個控(kong)制運行(xing)(xing)過程中都需(xu)(xu)要有(you)一(yi)定的(de)(de)氣(qi)壓，雖然可采用消耗量(liang)小的(de)(de)放大器等(deng)，但日(ri)積(ji)月累(lei)，耗氣(qi)量(liang)仍是巨大的(de)(de)。采用電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)執行(xing)(xing)機構(gou)(gou)(gou)(gou)，在(zai)(zai)改變控(kong)制開度時(shi)，需(xu)(xu)要供電(dian)(dian)，在(zai)(zai)達到所需(xu)(xu)開度時(shi)就可不再(zai)供電(dian)(dian)，因(yin)此從(cong)節能(neng)看(kan)，電(dian)(dian)動(dong)(dong)(dong)推(tui)(tui)(tui)(tui)桿(gan)(gan)執行(xing)(xing)機構(gou)(gou)(gou)(gou)比(bi)氣(qi)動(dong)(dong)(dong)執行(xing)(xing)機構(gou)(gou)(gou)(gou)有(you)明顯節能(neng)優點。適用于遠(yuan)距離操縱而(er)廣泛用于電(dian)(dian)力(li)(li)、化工(gong)、冶金、礦山、輕工(gong)、交(jiao)通、船舶等(deng)部門的(de)(de)風門、閥門、閘門等(deng)機構(gou)(gou)(gou)(gou)的(de)(de)啟閉、物料裝(zhuang)卸、流(liu)量(liang)控(kong)制等(deng)，現已(yi)被越(yue)來(lai)越(yue)多的(de)(de)部門用它來(lai)代替(ti)機構(gou)(gou)(gou)(gou)手、液壓閥、減(jian)速傳動(dong)(dong)(dong)機構(gou)(gou)(gou)(gou)的(de)(de)自動(dong)(dong)(dong)裝(zhuang)置。