The invention discloses an anti-dropping lifting hook for a crane. The anti-dropping lifting hook comprises a lifting hook device consisting of a pulley block (1), a pulling plate (2), a lifting rod (3) and double lifting hooks (4), a positioning seat (5) is arranged at the top between the two pulling plates (2), the upper end of the positioning seat (5) is welded and fixed to the bottom of the pulley block (1), a positioning sliding groove (6) is formed in the bottom of the positioning seat (5), a driving seat (7) which can be in clearance sliding fit with the positioning sliding groove (6) is arranged in the positioning sliding groove (6), and the two sides of the driving seat (7) can be attached to the pulling plates (2) to slide. On the premise that an original rope hanging mode is not affected, through the mode that the lock columns are additionally arranged on the two sides of an existing pull edge, a complete closed loop is formed among the hook tip, the pull plate and the box body in the lifting process, and slipping of a lifting rope is effectively eradicated.
本发明公开了一种起重机用防脱吊钩,它包含由滑轮组(1),拉板(2),吊杆(3)和双吊钩(4)组成的吊钩装置;两个拉板(2)之间的顶部设置有定位座(5),该定位座(5)的上端焊接固定在滑轮组(1)的底部,所述定位座(5)的底部开设有一个定位滑槽(6),该定位滑槽(6)的内部设置有一个可以与其间隙滑动配合的驱动座(7),该驱动座(7)的两侧可以贴合拉板(2)滑动。本发明在不影响原有挂绳方式的前提下通过在现有拉边的两侧增设锁柱的方式,使得在吊运的过程中钩尖与拉板和盒体之间构成一个完整的闭环,有效的杜绝了吊绳的滑脱。
Anti-dropping lifting hook for crane
一种起重机用防脱吊钩
2022-11-11
Patent
Elektronische Ressource
Chinesisch
IPC: | B66C Krane , CRANES |
Crane lifting hook capable of keeping horizontal and achieving emergency clamping and dropping
Europäisches Patentamt | 2020
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