Novel lightning arrester for electric power iron tower

The invention provides a novel lightning arrester for an electric power iron tower, and relates to the technical field of lightning arresters. The novel lightning arrester comprises a column body and a bottom frame, wherein a bottom plate is fixedly mounted at the bottom part of the column body, the bottom plate is slidably connected with the bottom frame, a round block is fixedly mounted at the top part of the column body, an extension rod is fixedly mounted on the outer side of the round block, communicating holes are formed in the bottom frame, and mounting bolts are arranged in the communicating holes in a sleeving manner. By arranging the bottom frame, a worker can install the bottom frame at a proper position of an electric power iron tower, then align and insert the bottom plate into the bottom frame, and rotate limiting blocks, so that the limiting blocks limit the bottom plate in the bottom frame, installation of the column body can be completed, during follow-up maintenance and replacement of the co