電(dian)梯(ti)(ti)的(de)運行(xing)速(su)度不論是上行(xing)還是下行(xing),均應在(zai)規(gui)定的(de)額(e)定速(su)度范圍內(nei)運行(xing),一般不會超速(su),如果(guo)出現超速(su),在(zai)電(dian)梯(ti)(ti)控(kong)制系統內(nei)是有防超速(su)裝(zhuang)(zhuang)置(zhi)(限(xian)速(su)器(qi),當電(dian)梯(ti)(ti)的(de)速(su)度超過額(e)定速(su)度的(de)115%,它就會動作),此時,該裝(zhuang)(zhuang)置(zhi)會自動動作,使電(dian)梯(ti)(ti)減速(su)或停(ting)止運行(xing)。
電梯有一個轎廂和一個對重,通過鋼絲繩將它們連接起來,鋼絲繩通過驅動裝置(曳引機)的曳引帶動,使電梯轎廂和對重在電梯內導軌上做上下運動。
固(gu)(gu)定在(zai)轎(jiao)廂(xiang)(xiang)上的(de)導靴可以(yi)沿著安(an)裝在(zai)建筑物井道墻體上的(de)固(gu)(gu)定導軌往復升(sheng)降(jiang)(jiang)運(yun)動(dong)(dong)(dong)(dong),防止轎(jiao)廂(xiang)(xiang)在(zai)運(yun)行中(zhong)(zhong)偏斜或(huo)擺動(dong)(dong)(dong)(dong)。常閉(bi)塊式制(zhi)動(dong)(dong)(dong)(dong)器在(zai)電(dian)動(dong)(dong)(dong)(dong)機(ji)工(gong)作(zuo)時松閘,使(shi)電(dian)梯運(yun)轉,在(zai)失電(dian)情(qing)況下制(zhi)動(dong)(dong)(dong)(dong),使(shi)轎(jiao)廂(xiang)(xiang)停止升(sheng)降(jiang)(jiang),并在(zai)指定層(ceng)(ceng)站上維持其靜止狀態,供人員和(he)(he)(he)貨物出入。轎(jiao)廂(xiang)(xiang)是運(yun)載乘客(ke)或(huo)其他(ta)載荷(he)的(de)箱體部(bu)件,對重用來平衡轎(jiao)廂(xiang)(xiang)載荷(he)、減少電(dian)動(dong)(dong)(dong)(dong)機(ji)功率。補償裝置(zhi)(zhi)用來補償曳引繩運(yun)動(dong)(dong)(dong)(dong)中(zhong)(zhong)的(de)張力和(he)(he)(he)重量變化,使(shi)曳引電(dian)動(dong)(dong)(dong)(dong)機(ji)負載穩定,轎(jiao)廂(xiang)(xiang)得以(yi)準確停靠。電(dian)氣系統實現對電(dian)梯運(yun)動(dong)(dong)(dong)(dong)的(de)控制(zhi),同時完成選層(ceng)(ceng)、平層(ceng)(ceng)、測速、照(zhao)明工(gong)作(zuo)。指示呼叫系統隨時顯示轎(jiao)廂(xiang)(xiang)的(de)運(yun)動(dong)(dong)(dong)(dong)方向(xiang)和(he)(he)(he)所在(zai)樓層(ceng)(ceng)位(wei)置(zhi)(zhi)。安(an)全裝置(zhi)(zhi)保證(zheng)電(dian)梯運(yun)行安(an)全。