雙卷筒牽(qian)(qian)(qian)引機的(de)雙卷筒為(wei)前后(hou)布局,鋼(gang)(gang)絲(si)繩(sheng)環形纏繞,鋼(gang)(gang)絲(si)繩(sheng)的(de)位置(zhi)固(gu)定,通過摩擦力(li)來提(ti)供牽(qian)(qian)(qian)引的(de)動(dong)力(li),通常和遠端的(de)定滑(hua)(hua)輪配合使(shi)用。雙卷筒牽(qian)(qian)(qian)引機的(de)部件包(bao)括:電動(dong)機、三角皮帶、傳(chuan)動(dong)軸(zhou)(zhou)、齒(chi)輪、卷筒、鋼(gang)(gang)絲(si)繩(sheng)、定滑(hua)(hua)輪、動(dong)滑(hua)(hua)輪、起重機吊鉤、制動(dong)器、軸(zhou)(zhou)承。