塔(ta)(ta)機(ji)(ji)(ji)(ji)的(de)主要電(dian)氣(qi)(qi)設備包括：電(dian)纜卷筒(tong)-中(zhong)(zhong)(zhong)央集電(dian)環;電(dian)動(dong)(dong)機(ji)(ji)(ji)(ji);操(cao)作電(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)用(yong)(yong)(yong)(yong)的(de)電(dian)器(qi)，如：控制(zhi)(zhi)器(qi)、主令控制(zhi)(zhi)器(qi)、接觸器(qi)和(he)繼(ji)電(dian)器(qi)。保護電(dian)器(qi)，如：自(zi)(zi)動(dong)(dong)熔斷器(qi)，過(guo)電(dian)流繼(ji)電(dian)器(qi)和(he)限位開關等。主副回路中(zhong)(zhong)(zhong)的(de)控制(zhi)(zhi)、切換電(dian)器(qi)，如：按鈕、開關和(he)儀表等。屬于(yu)輔(fu)助電(dian)氣(qi)(qi)設備的(de)有(you)(you)(you)：照明燈、信號燈、電(dian)鈴等。每(mei)臺塔(ta)(ta)機(ji)(ji)(ji)(ji)都要用(yong)(yong)(yong)(yong)許(xu)多種(zhong)(zhong)起(qi)重零部件，其中(zhong)(zhong)(zhong)數(shu)量較大(da)，技(ji)術要求嚴而規格繁(fan)雜的(de)是鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)。塔(ta)(ta)機(ji)(ji)(ji)(ji)用(yong)(yong)(yong)(yong)的(de)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)按功能(neng)不同有(you)(you)(you)：起(qi)升鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)，變幅(fu)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)，臂(bei)(bei)架(jia)拉(la)(la)繩(sheng)(sheng)(sheng)，平衡(heng)臂(bei)(bei)拉(la)(la)繩(sheng)(sheng)(sheng)，小(xiao)車(che)牽引(yin)繩(sheng)(sheng)(sheng)等。鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)特點(dian)是：整根的(de)強(qiang)度高(gao)(gao)，而且(qie)整根斷面(mian)(mian)一樣大(da)小(xiao)，強(qiang)度一致，自(zi)(zi)重輕，能(neng)承受(shou)震(zhen)動(dong)(dong)荷載(zai)，彈(dan)性大(da)，能(neng)卷繞(rao)成(cheng)盤，能(neng)在高(gao)(gao)速下平衡(heng)運動(dong)(dong)，并且(qie)無噪聲，磨(mo)損后(hou)其外皮會產生許(xu)多毛刺，易(yi)于(yu)發(fa)現(xian)并便(bian)于(yu)及時(shi)(shi)處置。鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)通常(chang)由一股股直徑為(wei)0.3～0.4mm細鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)搓成(cheng)繩(sheng)(sheng)(sheng)股，再(zai)由股捻(nian)(nian)成(cheng)繩(sheng)(sheng)(sheng)。塔(ta)(ta)機(ji)(ji)(ji)(ji)用(yong)(yong)(yong)(yong)的(de)是交互捻(nian)(nian)，特點(dian)是不易(yi)松散(san)和(he)扭轉(zhuan)。繩(sheng)(sheng)(sheng)股截(jie)面(mian)(mian)形狀而言(yan)，高(gao)(gao)層建筑(zhu)施工用(yong)(yong)(yong)(yong)塔(ta)(ta)機(ji)(ji)(ji)(ji)以采用(yong)(yong)(yong)(yong)多股不扭轉(zhuan)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)較為(wei)適宜，此(ci)種(zhong)(zhong)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)由兩(liang)層繩(sheng)(sheng)(sheng)股組成(cheng)同，兩(liang)層繩(sheng)(sheng)(sheng)股捻(nian)(nian)制(zhi)(zhi)方向相反(fan)，采用(yong)(yong)(yong)(yong)旋轉(zhuan)力(li)矩平衡(heng)的(de)原理捻(nian)(nian)制(zhi)(zhi)而成(cheng)，受(shou)力(li)時(shi)(shi)自(zi)(zi)由端(duan)不發(fa)生扭轉(zhuan)。塔(ta)(ta)機(ji)(ji)(ji)(ji)起(qi)升鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)及變幅(fu)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)安(an)(an)全(quan)(quan)系數(shu)一般取為(wei)5～6,小(xiao)車(che)牽引(yin)繩(sheng)(sheng)(sheng)和(he)臂(bei)(bei)架(jia)拉(la)(la)繩(sheng)(sheng)(sheng)的(de)安(an)(an)全(quan)(quan)系數(shu)取為(wei)3,塔(ta)(ta)機(ji)(ji)(ji)(ji)電(dian)梯升降繩(sheng)(sheng)(sheng)安(an)(an)全(quan)(quan)系數(shu)不得小(xiao)于(yu)10。鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)安(an)(an)全(quan)(quan)系數(shu)是不可(ke)缺少的(de)安(an)(an)全(quan)(quan)儲(chu)備系數(shu)，絕(jue)不可(ke)憑(ping)借這(zhe)種(zhong)(zhong)安(an)(an)全(quan)(quan)儲(chu)備面(mian)(mian)擅自(zi)(zi)提高(gao)(gao)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)較大(da)允許(xu)安(an)(an)全(quan)(quan)荷載(zai)。由于(yu)鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)重要性，必須加強(qiang)對鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)的(de)定期全(quan)(quan)面(mian)(mian)檢查，貯存于(yu)干燥面(mian)(mian)封閉的(de)、有(you)(you)(you)木(mu)地(di)板或瀝青混凝(ning)土地(di)面(mian)(mian)的(de)倉庫內，以免腐蝕，裝卸時(shi)(shi)不要損壞表面(mian)(mian)，堆放時(shi)(shi)要豎立(li)安(an)(an)置。對鋼(gang)(gang)(gang)絲(si)(si)(si)(si)(si)(si)繩(sheng)(sheng)(sheng)進行系統潤滑可(ke)以提高(gao)(gao)使(shi)用(yong)(yong)(yong)(yong)壽命(ming)。