The invention discloses a safety hook of a tower crane, which comprises a frame body (12) and a crane steel wire rope (1), the frame body (12) is provided with a hook body (13) and two groups of pulleys (14), the crane steel wire rope (1) is wound on the pulleys (14), the safety hook is characterized in that the frame body (12) is also provided with a safety mechanism, the safety mechanism at least comprises a limiting mechanism and a locking mechanism, and the limiting mechanism is connected with the locking mechanism. The locking mechanism comprises a self-locking fan-shaped swing block (8) and a self-locking baffle (9), the self-locking fan-shaped swing block (8) and the self-locking baffle (9) are arranged on the two sides of the crane steel wire rope (1) respectively, the self-locking fan-shaped swing block (8) can swing towards the self-locking baffle (9) when the steel wire rope is broken, and the self-locking fan-shaped swing block (8) and the self-locking baffle (9) clamp the crane steel wire rope (1) after swinging.
本发明公开了一种塔式起重机安全吊钩,包括架体(12)和起重机钢丝绳(1),所述架体(12)上设有钩体(13)和两组滑轮(14),所述起重机钢丝绳(1)绕设在滑轮(14)上,其特征在于:架体(12)上还设有保险机构,所述保险机构至少包含限制机构和锁紧机构,所述锁紧机构包含自锁扇形摆块(8)和自锁挡板(9),所述自锁扇形摆块(8)和自锁挡板(9)分别设置在起重机钢丝绳(1)的两侧,钢丝绳断裂时所述自锁扇形摆块(8)能够向自锁挡板(9)方向摆动,摆动后的自锁扇形摆块(8)和自锁挡板(9)将起重机钢丝绳(1)夹紧。
Safety lifting hook of tower crane
塔式起重机安全吊钩
2025-05-23
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |