Fireproof cable bridge

The utility model relates to the technical field of cable bridges, and discloses a fire-resistant cable bridge which comprises a supporting frame, a packaging frame is installed on the top of an inner cavity of the supporting frame, limiting strips are installed on the two sides of the inner wall of the supporting frame, the two sides of the bottom end of the packaging frame make contact with the top ends of the limiting strips respectively, and the top ends of the limiting strips make contact with the packaging frame. And a heat insulation layer is installed on the inner bottom wall of the supporting frame and located below the limiting strips, a fireproof coating is arranged at the bottom of the supporting frame, and a fixed pressing plate is installed in the supporting frame. According to the utility model, the fireproof coatings are arranged on the outer sides of the supporting frames, so that flames can be prevented from being contacted with the supporting frames, the fireproof performance of the whole b