電梯製動器
製(zhi)動(dong)器(qi)是(shi)動(dong)作(zuo)頻(pin)繁(fan)的(de)電(dian)梯(ti)安(an)全(quan)部(bu)件(jian)之(zhi)一(yi),它(ta)能(neng)使(shi)電(dian)梯(ti)的(de)電(dian)動(dong)機(ji)在(zai)沒(mei)有(you)電(dian)源(yuan)供(gong)應(ying)的(de)情(qing)況(kuang)下(xia)停(ting)止(zhi)轉(zhuan)動(dong),並(bing)使(shi)轎(jiao)廂(xiang)有(you)效(xiao)地(di)製(zhi)停(ting),電(dian)梯(ti)能(neng)否(fou)安(an)全(quan)運(yun)行(xing)與(yu)製(zhi)動(dong)器(qi)的(de)工(gong)作(zuo)狀(zhuang)況(kuang)密(mi)切(qie)相(xiang)關(guan)。大(da)量(liang)事(shi)故(gu)案(an)例(li)表(biao)明(ming),電(dian)梯(ti)人(ren)身(shen)傷(shang)亡(wang)事(shi)故(gu)發(fa)生(sheng)的(de)主(zhu)要(yao)原(yuan)因(yin)之(zhi)一(yi)就(jiu)是(shi)製(zhi)動(dong)器(qi)發(fa)生(sheng)故(gu)障(zhang)或(huo)者(zhe)自(zi)身(shen)存(cun)在(zai)設(she)計(ji)缺(que)陷(xian),從(cong)而(er)導(dao)致(zhi)電(dian)梯(ti)出(chu)現(xian)衝(chong)頂(ding)、蹾底、溜車,甚至發生剪切等現象。因此,加強電梯製動器的安全檢驗尤為重要。
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