Transmission line iron tower signboard and fixing method thereof

The invention belongs to the field of electric identification, and discloses a transmission line iron tower signboard and a fixing method thereof. The signboard comprises a signboard body. The signboard body is fastened and connected with angle iron of a transmission line pole and tower through a fastener. The fastener comprises a right-angle-type first fixing frame and a right-angle-type second fixing frame which are overlapped with each other, installed on the inner side and the outer side of the angle iron respectively and fixedly connected through bolts. The fastener further comprises a U-shaped connecting plate. One end of the U-shaped connecting plate is connected with the signboard body through bolts. The other end of the U-shaped connecting plate is connected with the second fixingframe and the first fixing frame through bolts. The transmission line iron tower signboard is suitable for different types of iron towers, can be firmly connected with the angle iron, and is convenient to install, durable in