Bridge large-displacement expansion joint structure monitoring device

The utility model relates to the technical field of bridge detection, and discloses a bridge large-displacement expansion joint structure monitoring device which comprises a supporting plate, a supporting column is fixedly connected to the middle of the upper surface of the supporting plate, a cavity is formed in the supporting column, and an inverter is fixedly connected to the front side of theinner bottom side wall of the supporting column. The utility model discloses a bridge large-displacement expansion joint structure monitoring device. Through cooperation of the rotating seat, the rotating disc and the fastening bolt, angle adjustment and fixation of the detection device are realized. The adjustability of the monitoring device is enhanced; therefore, the monitoring device can adaptto more complex monitoring tasks; the monitoring efficiency is improved, the detection device detects the displacement change of the bridge expansion joint, the processor is matched to process the data of the pressure sensor