The track rope of cable crane should be covered-seal ones, the haul and hoist ropes be Warington-seal or facial contacted ones with higher anti-abrasion and better bending performances.

• 摘要缆索起重机的承载索应选用外层密封的钢丝绳，起重绳、牵引绳选用耐磨及抗弯曲性能好的瓦灵顿型或面接触钢丝绳；