Cable protection device for underground cable installation

The utility model discloses a cable protection device for underground cable installation, which relates to the technical field of cable appliances and comprises a supporting ring, a protection tube is mounted on the surface of the supporting ring, two sliding rails are mounted on the arc surface of the protection tube, a lantern ring is mounted on the arc surface of the protection tube, a supporting rod is mounted on the arc surface of the lantern ring, and a cable is mounted on the supporting rod. An indicating plate is installed at the end, away from the lantern ring, of the supporting rod, a cleaning device is arranged on the surface of the indicating plate and comprises two guide rails, the two guide rails are fixedly connected with the indicating plate, sliding sleeves are slidably connected to the arc surfaces of the two guide rails, and connecting plates are fixedly connected to the arc surfaces of the two sliding sleeves; according to the indicator board, the problem that due to the fact that a large