Rod and wire modular rolling mill protection device and steel piling accident treatment method

The invention discloses a rod and wire module rolling mill protection device and a steel piling accident handling method, and belongs to the technical field of high-speed rod and wire rolling mill equipment in the metallurgical industry. According to the technical scheme, the device is arranged at an inlet of a second area of a finishing mill group, a cooling upper beam (44) penetrates through a box body (22) in the rolling direction of a rolled piece, guide plates are arranged at the two ends of the cooling upper beam (44) outside the box body (22) respectively, two semicircular upper cover plates (27) and a split type guide groove are arranged on the cooling upper beam (44) inside the box body (22), the split type guide groove is located between the two semicircular upper cover plates (27), and the two semicircular upper cover plates (27) are arranged on the box body (22). And the guide plate outside the box body (22), the two semicircular upper cover plates (27) in the box body (22) and the split type guid