Combined foot nail retaining ring for power transmission line iron tower: Fid-Bau Portal

Combined foot nail retaining ring for power transmission line iron tower

CHEN ZHENG

The invention relates to the technical field of iron tower tools, in particular to a combined foot nail retaining ring for an electric transmission line iron tower, which comprises a foot nail, bolts are mounted at two ends of the foot nail, the bolt at one end is in threaded connection with a locking sleeve, and the bolt at the other end is in threaded connection with a first retaining ring, a second retaining ring and a third retaining ring. The first connecting rod and the second connecting rod are arranged to form a telescopic rod, a user can conveniently move up and down, the connecting rods and the hanging pieces are connected through universal joints and rotating balls, the user can further conveniently adjust the hanging pieces in multiple directions, the climbing efficiency of the user is improved, the arranged foot nail retaining rings are provided with three different retaining rings, and the practicability is high. Corresponding retaining rings can be selected according to use requirements, the height of the adjusting piece and the height of the extension rod can be adjusted by manually adjusting and rotating the hand wheel, the height of the hook on the extension rod and the height of the adjusting piece can be adjusted conveniently, locking of the connecting position can be guaranteed according to the use requirements, and safety of a user is further guaranteed.

本发明涉及铁塔用具技术领域，具体为一种输电线路铁塔用组合式脚钉扣环，包括脚钉，所述脚钉两端均安装有螺栓，其中一端所述螺栓螺纹连接有锁紧套，其中另一端分别螺纹连接有第一扣环、第二扣环和第三扣环。本发明设置第一连接杆和第二连接杆组成伸缩杆，方便于使用者上下移动，连接杆与挂件之间通过万向节和转动球体连接，进一步方便使用者进行多方向调节，提高了使用人员的攀爬效率，设置的脚钉扣环分别设有三种不同的扣环，可根据使用需要来选择相应的扣环，可通过手动调节转动手轮来控制调节件和延长杆的高度进行调节，方便于延长杆上的挂钩和调节件的高度可调节，还能根据使用需要来保证连接处的锁紧，进一步保证了使用者的安全。

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