Subgrade settlement monitoring device

The utility model relates to a subgrade settlement monitoring device. The subgrade settlement monitoring device comprises a connecting tube with an L-shaped structure, wherein a guide rail is arranged on the upper surface of the connecting tube; an electric transverse moving device corresponding to the guide rail is arranged on the guide rail; the upper end of the electric transverse moving device is equipped with a distance sensor; a semicircular supporting cover is arranged on the connecting tube; a control device is arranged at the top end of the connecting tube; the upper end of the control device is equipped with a wireless receiving and sending device which is used for remotely transmitting a treated signal to a monitoring terminal and receiving the monitoring terminal signal; and a solar battery for supplying power to the electric transverse moving device, the distance senor, the control device and the wireless receiving and sending device is fixedly connected on the side wall of the control device. Ac