Post-embedded mounting structure for railway communication leaky coaxial cable auxiliary rod foundation

The utility model discloses a post-embedded mounting structure for a railway communication leaky coaxial cable auxiliary rod foundation, which is embedded in a bridge body in a post-embedded manner after the construction of the bridge body is completed, and comprises an embedded steel plate horizontally fixed above the bridge body, and the top end surface of the embedded steel plate is vertically and fixedly connected with a pillar foundation; the anchoring steel plate is horizontally fixed below the bridge body, and the anchoring steel plate and the embedded steel plate are vertically, correspondingly and fixedly connected; and the grounding terminal is fixedly connected to the bottom end face of the embedded steel plate, and the grounding terminal is electrically connected with a through ground wire. The technical problems that in the prior art, when a communication leaky coaxial cable auxiliary rod is installed on a bridge, due to the fact that the installation position of the communication leaky coaxial c