Downhole tool for electric power engineering construction

The utility model relates to a downhole tool for electric power engineering construction in the field of electric power construction auxiliary equipment. The well mouth fixing device comprises a wellmouth fixing ring, the well mouth fixing ring comprises a bearing section parallel to the ground of a well mouth and a limiting section extending into the well mouth, and a ladder stand frame is hungon the well mouth fixing ring and connected with the well mouth fixing ring in a sliding mode. The well mouth fixing ring and the ladder stand frame which can slide relatively are arranged, so that the ladder stand can move along the well mouth fixing ring, and the ladder stand frame is arranged, so that a worker does not shake easily when using the ladder stand. 本实用新型涉及电力施工辅助设备领域的一种电力工程施工用下井器具，包括井口固定环，所述井口固定环包括与井口地面平行的承载段以及想井口内部延伸设置的限位段，且所述井口固定环上设置有挂设有爬梯架，所述爬梯架与所述井口固定环滑移连接。本实用新型具通过设置可以相对滑移的井口固定环以及爬梯架，使爬梯可以沿井口固定环进行移动，并且爬梯架的设置使工作人员在使用时不易晃动。