Anti-falling device and anti-falling method for overhead line

The invention relates to the technical field of high-altitude anti-falling, and particularly discloses an anti-falling device of an overhead line, which comprises an anti-falling rope, an anti-falling net, a monitoring device and a control system, when a worker climbs along a column body, the anti-falling rope can move upwards along the column body along with the worker, the anti-falling net is arranged below the anti-falling rope, and the monitoring device is arranged on the anti-falling net. And the anti-falling net can move upwards along the column body along with climbing of the worker, and when the worker is in the falling danger, the anti-falling net can be opened and catch the worker, so that the worker is prevented from being in the falling danger. The invention provides an anti-falling method of an overhead line, an unmanned aerial vehicle monitors the position state of a worker, a control system confirms the falling probability and the falling range of the worker based on the height and the suspensi