Welding seam grinding machine for wind power tower drum

The utility model discloses a wind power tower weld joint polisher, which belongs to the technical field of weld joint polishers, and comprises a fixed shell and a polishing wheel, a protective shell and a lower fixing rod are fixedly mounted on one side of the fixed shell, the polishing wheel is arranged in the protective shell, a fixed round block is fixedly mounted on the fixed shell, and the lower fixing rod is fixedly mounted on the fixed round block. A large rotating rod is fixedly mounted in the fixed round block, a pressing connecting rod is rotatably mounted on the large rotating rod, a fixed rotating rod is fixedly mounted in the pressing connecting rod, a movable hand lever is rotatably mounted on the fixed rotating rod, a movable block is slidably mounted at the top end of the pressing connecting rod, and a limiting fixed block is fixedly mounted on one side of the movable block; a limiting round block is fixedly installed on the fixed shell, a limiting square hole matched with the limiting fixed