Cable bridge with isolation grooves

The utility model discloses a cable bridge with isolation grooves. The cable bridge comprises a cable bridge frame and isolation plates, the isolation plate is vertically installed on the inner wall of the bottom of the cable bridge. The upper end of the cable bridge is sleeved with a U-shaped cover plate with a downward opening. Side edge connecting holes are formed in the outer walls of the leftend and the right end of the cable bridge. The U-shaped cover plate is sleeved with a U-shaped mounting frame with a downward opening. A novel cover plate reinforcing device is additionally arrangedin each of three U-shaped mounting frames on the cable bridge with the isolation grooves; the cover plate reinforcing device can play a role in reinforcing the U-shaped cover plate mounted at the upper end of the cable bridge; after the novel cover plate reinforcing device is adjusted and fixed on the U-shaped mounting frame, downward pressing force is applied to the U-shaped cover plate fixed atthe upper end of the cable