Cable protection device of municipal comprehensive pipe gallery and use method of cable protection device

The invention provides a municipal comprehensive pipe gallery cable protection device and a use method thereof, the municipal comprehensive pipe gallery cable protection device comprises at least two fixing rings, the two adjacent fixing rings are connected through a plurality of connecting rods, a plurality of connecting plates are further arranged between the two adjacent fixing rings, the connecting plates are arranged on the connecting rods, and the connecting rods are arranged on the connecting plates. A plurality of cable penetrating holes are formed in the fixing ring and the connecting plate, a plurality of sets of connecting pieces are arranged on the periphery of the fixing ring, and the fixing ring is fixedly arranged on the inner wall of the pipeline through the multiple sets of connecting pieces. Certain support can be provided for the cables by arranging the plurality of connecting plates, and the cables are inserted into the through holes formed in the connecting plates, so that the cables can