The utility model belongs to iron tower supervisory equipment fixing device field relates to an iron tower supervisory equipment fixed bolster, including the integration support, the bearing installation board is installed to integration support lower extreme, and one side of bearing installation board be horizontal U type to the reclination buckles, and an acropodium that inserts the iron tower angle bar is smashed to horizontal U type, and in another acropodium of iron tower angle bar fell into the round arc -shaped hook of J type bolt, the screwed double -screw bolt of taking of J type boltpassed the mounting hole of bearing installation board, through the cooperation messenger J type bolt and the bearing installation board fixed connection of nut and double -screw bolt. The utility model has the advantages of reasonable design, simple structure, it is simple to reduce construction degree of difficulty installation, has reduced the construction position restriction to reduce installation time, reduced installer intensity of labour.