Line fixing device for optical cable maintenance

The utility model relates to the technical field of optical cable maintenance. The utility model relates to a line fixing device for optical cable maintenance. The tail end of the corresponding side of the rotating shaft is rotatably mounted on the side plate through a rotating sleeve; a rotating wheel is fixedly mounted at the tail end of the other side of the rotating shaft; the rotating shaft is sleeved with a cylinder matched with the rotating shaft. A through groove matched with the rotating shaft is formed in the cylinder in the length axis direction. A take-up wheel body is fixedly arranged in the middle of the outer surface of the cylindrical body, a plurality of clamping teeth are fixedly arranged on the outer surface of the cylindrical body between the take-up wheel body and theside plate in the circumferential direction, a sleeve is fixedly installed on the side plate around the rotating shaft, clamping grooves matched with the clamping teeth are formed in the inner wall ofthe sleeve in the circumf