Monitoring device for safety helmet

The invention aims to solve the problem of monitoring workers, and discloses a safety helmet monitoring device which comprises a safety helmet and a bottom plate, a cover cylinder is fixedly mounted in the middle of the top surface of the safety helmet, a detection rod is sleeved with the cover cylinder, and a handle is fixedly mounted at the top end of the detection rod. A second spiral spring is fixedly connected between the handle and the cover cylinder, the inner wall of the cover cylinder is sleeved with a cleaning layer, solar cell panels are symmetrically installed on the two sides of the top face of the safety helmet body, a cavity is formed in the safety helmet body, a warning block is fixedly installed in the middle of the interior of the safety helmet body, and the two ends of the interior of the cavity are symmetrically sleeved with connecting rods. The outer side wall of the safety helmet is sleeved with a guide ring, a second contact ring is embedded in the guide ring, and a sliding rod is sleev