起重機如何選擇電纜
1、吊車纜車(或纜車導引)的使用,應防止電纜在運動中磨損和過度彎曲,電纜直徑小于8mm,彎曲線纜懸吊板的直徑應至少為電纜直徑的6.3倍;電纜直徑大于8mm,直徑至少為8倍;電纜直徑大于12.5 mm時,應至少為直徑的10倍;對于扁平電纜,電纜厚度等于圓電纜的直徑.
靖(jing)江市起重設(she)備(bei)廠
當吊車電纜布置時,每根電纜長度應相等,壓力板牢固牢固,同一層的外徑盡可能緊密,避免一根或幾根電纜的過度受力.懸索式纜車采用牽引鋼絲繩,在運行時,相鄰的兩架懸索式纜車間距使懸索之間的夾角接近120度,牽引鋼絲繩應充分拉伸和受力.
2、供電(dian)(dian)應防止(zhi)電(dian)(dian)纜(lan)線軸在運(yun)動(dong)時(shi)磨(mo)損,電(dian)(dian)纜(lan)外(wai)徑不大(da)于21.5 mm,電(dian)(dian)纜(lan)卷筒底部應至少(shao)為電(dian)(dian)纜(lan)直(zhi)徑的(de)10倍;電(dian)(dian)纜(lan)直(zhi)徑大(da)于21.5 mm,電(dian)(dian)纜(lan)卷筒底部應至少(shao)是電(dian)(dian)纜(lan)直(zhi)徑的(de)12.5倍.
吊車的(de)電(dian)(dian)纜(lan)(lan)(lan)筒應該能(neng)夠自動(dong)包(bao)扎電(dian)(dian)纜(lan)(lan)(lan).電(dian)(dian)纜(lan)(lan)(lan)卷(juan)筒的(de)驅動(dong)力矩(ju)不(bu)應小(xiao)于繞線時所需的(de)最大(da)轉矩(ju).在電(dian)(dian)纜(lan)(lan)(lan)敷設過程中,牽(qian)引電(dian)(dian)線電(dian)(dian)纜(lan)(lan)(lan)的(de)作用(yong)應盡(jin)可能(neng)小(xiao),不(bu)是(shi)因為電(dian)(dian)纜(lan)(lan)(lan)強化核心(xin)銅線,截面的(de)最大(da)允許張(zhang)力20 n /平方毫米,高速繞組電(dian)(dian)纜(lan)(lan)(lan)或電(dian)(dian)纜(lan)(lan)(lan)重量重,應該添加到承受需要加強鋼(gang)絲繩牽(qian)引為核心(xin).