DKJ型電(dian)動(dong)(dong)(dong)執(zhi)行(xing)機構(gou)(gou)是(shi)DDZ－Ⅱ型電(dian)動(dong)(dong)(dong)單(dan)元組合儀(yi)表中的(de)執(zhi)行(xing)單(dan)元。它(ta)包(bao)括執(zhi)行(xing)機構(gou)(gou)和伺(si)服放(fang)大(da)器二個獨立(li)整(zheng)件(jian)，以電(dian)源為動(dong)(dong)(dong)力，接受(shou)統(tong)(tong)一的(de)標準直流信號(hao)0～10mA，將此轉變成與輸入信號(hao)相對應的(de)轉角(jiao)位(wei)移，自(zi)(zi)動(dong)(dong)(dong)地操縱風門擋板、閥門等調節機構(gou)(gou)，完成自(zi)(zi)動(dong)(dong)(dong)調節任(ren)務。使用(yong)DKJ型電(dian)動(dong)(dong)(dong)執(zhi)行(xing)機構(gou)(gou)的(de)自(zi)(zi)動(dong)(dong)(dong)調節系統(tong)(tong)，配(pei)用(yong)DFD－09型電(dian)動(dong)(dong)(dong)操作器，可實現調節系統(tong)(tong)手動(dong)(dong)(dong)到自(zi)(zi)動(dong)(dong)(dong)（自(zi)(zi)動(dong)(dong)(dong)到手動(dong)(dong)(dong)）無憂動(dong)(dong)(dong)切換。