Power grid combiner box

The utility model discloses a power grid combiner box, which relates to the technical field of combiner boxes and comprises a combiner box body, a clamping groove frame is arranged on the back of the combiner box body, a telegraph pole is sleeved with the clamping groove frame, a mounting shell communicated with the interior of the clamping groove frame is arranged on one side of the clamping groove frame, and a shifting block is arranged on the upper portion of the mounting shell. And the lower end of the shifting block is connected with a quick-release positioning and fixing piece at a position inside the mounting shell. According to the power grid combiner box, the quick-release positioning fixing piece is arranged to replace a traditional bolt fixing mode, the combiner box can be quickly mounted or dismounted, time is saved, the problem that the combiner box is difficult to dismount and mount due to oxidation cannot occur to the quick-release positioning fixing piece, and the power grid combiner box is co