Safe and rapid hoisting tool and dismounting method for top pivot AB rod of miter gate of large ship lock

The invention provides a large ship lock miter gate top pivot AB rod safe and rapid hoisting tool and a dismounting method. The large ship lock miter gate top pivot AB rod safe and rapid hoisting tool comprises a top pivot hole hoisting support, and the top pivot hole hoisting support is fixedly installed in a top pivot hole of an A rod through a locking screw assembly; the A rod second shaft hole of the A rod is matched with the A rod lifting lug; a clamping and hoisting support structure used for clamping the rod A is installed at the end, away from the top pivot shaft hole, of the rod A. The tool can be used for rapidly hoisting and dismantling the AB rod of the miter gate top pivot of the large ship lock, the dismantling efficiency is improved, and the safety of dismantling construction is guaranteed. 本发明提供了一种大型船闸人字门顶枢AB杆安全快速吊装工装及拆除方法，它包括顶枢轴孔吊装支架，所述顶枢轴孔吊装支架通过锁定螺杆组件固定安装在A杆的顶枢轴孔；所述A杆的A杆第二轴孔与A杆吊耳相配合；所述A杆上远离顶枢轴孔的一端安装有用于对A杆进行夹紧的夹紧吊装支架结构。此工装能够用于大型船闸人字门顶枢AB杆的快速吊装和拆除，提高了拆装效率，保证了拆除施工的安全性。