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我单位 1台ＱＴ80ＥＡ自升式塔式起重机的起升机构用ＹＺＲＷ 2 2 5Ｍ型 30ｋＷ电动机作动力 ,起升机构变速箱中采用电磁离合器换挡变速 ,以充分满足施工要求。电磁离合器线圈和加给它的 2 4Ｖ直流电压的电气连接 ,是电刷 (铜制 )通过离合器环 (铁制 )接到离合器线圈上的。电磁
I unit 1 QT80EA self-elevating tower crane lifting mechanism with YZRW 2 2 5M type 30kW motor power, lifting gearbox electromagnetic clutch shift gearbox to fully meet the construction requirements. The electromagnetic clutch coil and the 24V DC voltage applied to it are electrically connected to the clutch coil through a clutch ring (made of iron). electromagnetic