塔(ta)機的(de)(de)(de)(de)主(zhu)要(yao)電(dian)(dian)氣設備包括(kuo)：電(dian)(dian)纜卷筒-中央集(ji)電(dian)(dian)環;電(dian)(dian)動機;操作電(dian)(dian)動機用(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)器(qi)(qi)，如(ru)(ru)：控(kong)制(zhi)(zhi)器(qi)(qi)、主(zhu)令控(kong)制(zhi)(zhi)器(qi)(qi)、接觸器(qi)(qi)和(he)繼電(dian)(dian)器(qi)(qi)。保護(hu)電(dian)(dian)器(qi)(qi)，如(ru)(ru)：自(zi)動熔(rong)斷(duan)器(qi)(qi)，過電(dian)(dian)流繼電(dian)(dian)器(qi)(qi)和(he)限位開關等(deng)。主(zhu)副回路中的(de)(de)(de)(de)控(kong)制(zhi)(zhi)、切換電(dian)(dian)器(qi)(qi)，如(ru)(ru)：按鈕、開關和(he)儀表(biao)等(deng)。屬于(yu)輔助電(dian)(dian)氣設備的(de)(de)(de)(de)有(you)：照(zhao)明燈、信(xin)號燈、電(dian)(dian)鈴等(deng)。每臺(tai)塔(ta)機都要(yao)用(yong)(yong)許多種起重零部件，其中數(shu)(shu)量較大(da)，技術要(yao)求(qiu)嚴而(er)(er)規格繁雜(za)的(de)(de)(de)(de)是鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)。塔(ta)機用(yong)(yong)的(de)(de)(de)(de)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)按功能(neng)(neng)(neng)不(bu)(bu)同有(you)：起升鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，變幅鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，臂(bei)架拉(la)(la)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，平衡(heng)臂(bei)拉(la)(la)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)，小(xiao)(xiao)車牽(qian)(qian)引(yin)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)等(deng)。鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)特點是：整根(gen)的(de)(de)(de)(de)強(qiang)度高(gao)，而(er)(er)且(qie)整根(gen)斷(duan)面一(yi)樣(yang)大(da)小(xiao)(xiao)，強(qiang)度一(yi)致，自(zi)重輕，能(neng)(neng)(neng)承受(shou)震動荷載，彈性(xing)大(da)，能(neng)(neng)(neng)卷繞成盤，能(neng)(neng)(neng)在高(gao)速(su)下平衡(heng)運動，并且(qie)無(wu)噪聲，磨損(sun)后其外皮會產生許多毛(mao)刺，易于(yu)發(fa)現并便于(yu)及時(shi)處置(zhi)。鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)通常由(you)(you)一(yi)股(gu)(gu)股(gu)(gu)直徑為0.3～0.4mm細鋼(gang)(gang)絲(si)(si)(si)(si)搓成繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)股(gu)(gu)，再由(you)(you)股(gu)(gu)捻成繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)。塔(ta)機用(yong)(yong)的(de)(de)(de)(de)是交互捻，特點是不(bu)(bu)易松散和(he)扭轉(zhuan)(zhuan)。繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)股(gu)(gu)截面形狀而(er)(er)言(yan)，高(gao)層建筑施工用(yong)(yong)塔(ta)機以采用(yong)(yong)多股(gu)(gu)不(bu)(bu)扭轉(zhuan)(zhuan)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)較為適宜(yi)，此種鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)由(you)(you)兩層繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)股(gu)(gu)組成同，兩層繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)股(gu)(gu)捻制(zhi)(zhi)方向相反，采用(yong)(yong)旋轉(zhuan)(zhuan)力(li)矩平衡(heng)的(de)(de)(de)(de)原理捻制(zhi)(zhi)而(er)(er)成，受(shou)力(li)時(shi)自(zi)由(you)(you)端不(bu)(bu)發(fa)生扭轉(zhuan)(zhuan)。塔(ta)機起升鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)及變幅鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)安全系數(shu)(shu)一(yi)般取(qu)為5～6,小(xiao)(xiao)車牽(qian)(qian)引(yin)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)和(he)臂(bei)架拉(la)(la)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)安全系數(shu)(shu)取(qu)為3,塔(ta)機電(dian)(dian)梯(ti)升降繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)安全系數(shu)(shu)不(bu)(bu)得小(xiao)(xiao)于(yu)10。鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)安全系數(shu)(shu)是不(bu)(bu)可缺少的(de)(de)(de)(de)安全儲備系數(shu)(shu)，絕(jue)不(bu)(bu)可憑借(jie)這種安全儲備面擅(shan)自(zi)提高(gao)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)較大(da)允許安全荷載。由(you)(you)于(yu)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)重要(yao)性(xing)，必須加強(qiang)對(dui)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)定(ding)期全面檢查，貯(zhu)存于(yu)干燥面封閉的(de)(de)(de)(de)、有(you)木地板或(huo)瀝(li)青混凝土地面的(de)(de)(de)(de)倉庫內，以免腐蝕，裝(zhuang)卸時(shi)不(bu)(bu)要(yao)損(sun)壞表(biao)面，堆(dui)放時(shi)要(yao)豎(shu)立安置(zhi)。對(dui)鋼(gang)(gang)絲(si)(si)(si)(si)繩(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)進行系統(tong)潤滑可以提高(gao)使用(yong)(yong)壽命。