Anti-falling device and installation method thereof

The invention discloses an anti-falling device, and belongs to the technical field of bridge expansion devices. The anti-falling device is arranged on a bridge expansion device, groove body fixing pieces are arranged on the bridge expansion device at intervals, the adjacent groove body fixing pieces are connected through a connecting groove, and the connecting groove is communicated with a drainage system. The invention further discloses an installation method of the device. According to the anti-falling device, the groove body fixing pieces are arranged on the bridge expansion device at intervals, the adjacent groove body fixing pieces are connected through the connecting grooves, the anti-falling effect is improved, the anti-falling device can be widely applied to various bridge expansion devices, and the safety of a bridge is improved. According to the installation method, the construction difficulty is small, the quality of each step is easy to control, and different installation methods are adopted for d