This paper covers a lulling cable crane used in the Three-Gorge Project.The radial-spherical plain bearing as the tower lower support avoid producing bend moment when the tower swings.

• 摘要三峡摆塔式缆索式起重机塔架的下部支承选用径向轴承，可避免塔架纵向摆动时在塔架截面上产生弯矩；