The invention discloses a hanging bracket and method for replacing any insulator of an extra-high voltage strain insulator string in an electrified mode. The hanging bracket comprises a main hanging rod, a connecting base, insulator elevators and a pulley assembly; the connecting base comprises a pair of connectors which are symmetrically arranged, and the connecting base is detachably connected to the exterior of the main hanging rod; each insulator elevator comprises a supporting plate, a sealing plate and a clamping box; the supporting plate is hinged to one end of the sealing plate; the other end of the sealing plate is detachably connected through the clamping box; the supporting plate and the sealing plate are clamped to define an annular clamp used for locking an insulator steel cap; the insulator elevators are hinged into the connectors through the supporting plates of the insulator elevators; and the pulley assembly is assembled outside the main hanging rod. The two insulatorelevators under the same connecting base are installed on the front sides or the rear sides of two adjacent strings of insulators needing to be replaced, insulator nest seams are surrounded through the sealing plates, stress points are provided, and a hoisting points is provided through the pulley assembly. The operation process is simplified, the operation limitation is reduced, the workload of hot-line workers is reduced, the replacement efficiency is improved, and the operation safety is improved.
本发明公开了一种带电更换特高压耐张串任一片绝缘子的吊架及方法,吊架包括主吊杆、连接座、绝缘子吊卡和滑轮组件;连接座包括一对对称布置的连接头,连接座可拆卸连接于主吊杆外;绝缘子吊卡包括支撑板、封口板和卡盒,支撑板与封口板一端铰接,另一端通过卡盒可拆卸连接,支撑板与封口板卡合围成用以锁紧绝缘子钢帽的环型卡,绝缘子吊卡以其支撑板铰接于连接头内;滑轮组件装配于主吊杆外。将同一连接座下两绝缘子吊卡安装于需更换的相邻两串绝缘子前侧或后侧,通过封口板环绕住绝缘子巢缝,提供受力点,通过滑轮组件提供吊装点。简化作业过程,降低操作限制,减轻了带电作业人员的工作量,提高了更换效率,也利于提高作业的安全性。
Hanging bracket and method for replacing any insulator of extra-high voltage strain insulator string in electrified mode
带电更换特高压耐张串任一片绝缘子的吊架及方法
2021-01-22
Patent
Electronic Resource
Chinese
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