咨詢熱(re)線：
氣(qi)動(dong)執(zhi)行器(qi)(qi)(qi)(qi)是(shi)用(yong)氣(qi)壓力驅(qu)動(dong)啟閉或調節閥(fa)門(men)的(de)執(zhi)行裝(zhuang)置，又被稱(cheng)氣(qi)動(dong)執(zhi)行機(ji)(ji)構(gou)或氣(qi)動(dong)裝(zhuang)置，不(bu)過一(yi)般通(tong)俗的(de)稱(cheng)之為氣(qi)動(dong)頭。氣(qi)動(dong)執(zhi)行器(qi)(qi)(qi)(qi)有時還配備一(yi)定的(de)輔助裝(zhuang)置。常用(yong)的(de)有閥(fa)門(men)定位(wei)器(qi)(qi)(qi)(qi)和手(shou)輪機(ji)(ji)構(gou)。閥(fa)門(men)定位(wei)器(qi)(qi)(qi)(qi)的(de)作用(yong)是(shi)利用(yong)反饋原理來改善執(zhi)行器(qi)(qi)(qi)(qi)的(de)性(xing)能,使執(zhi)行器(qi)(qi)(qi)(qi)能按控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)的(de)控(kong)(kong)制(zhi)信號,實(shi)現準(zhun)確的(de)定位(wei)。手(shou)輪機(ji)(ji)構(gou)的(de)作用(yong)是(shi)當控(kong)(kong)制(zhi)系(xi)統因停電、停氣(qi)、控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)無輸(shu)出或執(zhi)行機(ji)(ji)構(gou)失(shi)靈(ling)時,利用(yong)它可以直接操(cao)縱控(kong)(kong)制(zhi)閥(fa)，以維(wei)持生產的(de)正常進行。
氣動執行器的外形尺寸及連接圖：
氣動執行器：
氣動執行器的外形尺寸：
氣動執行器：
