電動擋板門主要由由框架、葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)、密(mi)(mi)封(feng)(feng)片(pian)(pian)、主軸(zhou)(zhou)(zhou)(zhou)(zhou)、軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)、軸(zhou)(zhou)(zhou)(zhou)(zhou)封(feng)(feng)、曲柄(bing)連(lian)桿機構(gou)(gou)、執行機構(gou)(gou)（選購件(jian)）等幾部(bu)(bu)分組成(cheng)(cheng)。框架采用(yong)(yong)(yong)(yong)鋼板模(mo)壓成(cheng)(cheng)形(xing)、型鋼焊接成(cheng)(cheng)形(xing)或(huo)(huo)鑄(zhu)造成(cheng)(cheng)形(xing)，葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)采用(yong)(yong)(yong)(yong)鋼板模(mo)壓成(cheng)(cheng)形(xing)或(huo)(huo)鑄(zhu)造成(cheng)(cheng)形(xing)，截面流線型葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)確(que)保(bao)(bao)(bao)介質壓損(sun)極小。葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)與(yu)葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)間(jian)、葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)與(yu)框架間(jian)設(she)有(you)特殊(shu)(shu)彈性密(mi)(mi)封(feng)(feng)結構(gou)(gou)，確(que)保(bao)(bao)(bao)葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)關閉時其前后(hou)的(de)密(mi)(mi)封(feng)(feng)率(lv)可(ke)(ke)達(da)99%以(yi)上(shang)，特殊(shu)(shu)訂貨(huo)可(ke)(ke)達(da)99.5%以(yi)上(shang)的(de)密(mi)(mi)封(feng)(feng)率(lv)。葉(xie)(xie)(xie)(xie)(xie)片(pian)(pian)與(yu)主軸(zhou)(zhou)(zhou)(zhou)(zhou)之(zhi)間(jian)采用(yong)(yong)(yong)(yong)專用(yong)(yong)(yong)(yong)緊固件(jian)連(lian)接，關閉擋板風門(men)安(an)裝在(zai)管道上(shang)后(hou)，可(ke)(ke)以(yi)拆卸(xie)任(ren)何(he)部(bu)(bu)件(jian)，并保(bao)(bao)(bao)證在(zai)工(gong)作狀態下可(ke)(ke)以(yi)方便(bian)地檢修或(huo)(huo)更(geng)換部(bu)(bu)件(jian)。軸(zhou)(zhou)(zhou)(zhou)(zhou)頸(jing)處采用(yong)(yong)(yong)(yong)專用(yong)(yong)(yong)(yong)密(mi)(mi)封(feng)(feng)結構(gou)(gou)及專用(yong)(yong)(yong)(yong)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)，專用(yong)(yong)(yong)(yong)密(mi)(mi)封(feng)(feng)結構(gou)(gou)其密(mi)(mi)封(feng)(feng)性能良好、無外泄(xie)、耐(nai)高溫，專用(yong)(yong)(yong)(yong)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)具有(you)自(zi)動(dong)調心及自(zi)動(dong)補償功能，可(ke)(ke)以(yi)自(zi)動(dong)補償前后(hou)軸(zhou)(zhou)(zhou)(zhou)(zhou)的(de)同軸(zhou)(zhou)(zhou)(zhou)(zhou)度偏差，確(que)保(bao)(bao)(bao)關閉擋板風門(men)阻力小、無卡澀(se)、轉(zhuan)動(dong)靈活。曲柄(bing)連(lian)桿機構(gou)(gou)上(shang)配有(you)專用(yong)(yong)(yong)(yong)軸(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)，確(que)保(bao)(bao)(bao)傳動(dong)阻力小，對(dui)于巨形(xing)關閉擋板門均(jun)采用(yong)雙臂重型曲(qu)柄連(lian)桿(gan)機(ji)(ji)構(gou)，確保關閉擋(dang)板(ban)風門啟閉動作萬(wan)無一失。手動、電動或氣動執(zhi)行機(ji)(ji)構(gou)可(ke)以直接與驅動主軸連(lian)接或采用(yong)曲(qu)柄連(lian)桿(gan)機(ji)(ji)構(gou)形成遠方傳(chuan)動，執(zhi)行機(ji)(ji)構(gou)也(ye)可(ke)以由(you)用(yong)戶自配。
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