The invention discloses a self-locking anti-dropping automatic unhooking lifting hook device which comprises a lifting hook body, a lifting hook structure with an opening in one side is arranged at the lower end of the lifting hook body, the lifting hook device further comprises an outer wrapping assembly and a circulating locking rod, the lifting hook body is sleeved with the outer wrapping assembly in a vertically movable mode, and a side opening is formed in the outer wrapping assembly and corresponds to the opening of the lifting hook; an elastic structure used for resetting the outer wrapping assembly is arranged between the top of the outer wrapping assembly and the lifting hook body, one end of the circulating locking rod is movably arranged on the lifting hook body, a circulating groove structure is arranged on the outer wrapping assembly, and the other end of the circulating locking rod is movably located in the circulating groove structure. The self-locking, anti-dropping and automatic-unhooking lifting hook device is reasonable in structural design, locking is achieved by means of the self weight of goods through primary pulling, unlocking is achieved by means of secondary pulling, manual locking and unhooking do not need to be conducted on site, the number of site operators is reduced, and safety is improved.
本发明公开了一种自锁防脱自动脱钩的吊钩装置,包括吊钩本体,所述吊钩本体的下端设有一侧开口的挂钩结构,还包括外包组件和循环锁杆,所述外包组件可上下活动的套在吊钩本体,外包组件上对应挂钩开口设有侧开口,外包组件的顶部和吊钩本体之间设有用于外包组件复位的弹性结构,循环锁杆的一端活动设在吊钩本体上,外包组件上设有循环槽结构,循环锁杆的另一端活动位于循环槽结构内。该自锁防脱自动脱钩的吊钩装置结构设计合理,依靠货物自重,一次拉动实现锁定,二次拉动实现解锁,现场不需要人工进行手动锁定和脱钩,减少了现场操作人员数量,提高了安全性。
Self-locking, anti-falling and automatic unhooking lifting hook device
一种自锁防脱自动脱钩的吊钩装置
2025-02-21
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |
Anti-unhooking device and anti-unhooking method for lifting hook
European Patent Office | 2023
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