Galvanized bridge suitable for multi-layer cable laying

The invention provides a galvanized bridge suitable for multi-layer cable laying, and relates to the technical field of cable bridges, the galvanized bridge comprises a plurality of cable laying bridge groups, and laying and unfolding assemblies are fixedly installed at the upper ends of the cable laying bridge groups and located on each first bridge fixing ring and each second bridge fixing ring. A plurality of unfolding bearing assemblies are arranged at the upper end of each laying unfolding assembly; according to the invention, the plurality of layers of cable laying bridge groups are connected in a stacked manner through the laying and unfolding assembly, and are fixedly installed on a ceiling where a cable passes through through the unfolding bearing assembly at the upper end, and the laying and unfolding assembly drives the plurality of cable laying bridge groups to unfold at equal intervals. And shaking generated when the cable laying bridge set is unfolded can be eliminated through the unfolding bear