Foundation pit settlement monitoring device

The utility model relates to the technical field of foundation pit detection equipment, in particular to a foundation pit settlement monitoring device which comprises a monitoring box used for containing a controller, a settlement pipe is arranged at the position, close to the center, of the lower end of the monitoring box, and a mounting rod is arranged at the position, close to the center, in the settlement pipe. A distance measuring sensor electrically connected with the controller is arranged at the lower end of the mounting rod, a displacement plate is arranged at the position, close to the mounting rod, in the sedimentation pipe, an insertion block is arranged at the position, close to the sedimentation pipe, of the outer side of the displacement plate, and one end of the insertion block is inserted into the displacement plate. According to the foundation pit settlement monitoring device, the settlement pipe is arranged, the foundation pit settlement monitoring device monitors foundation pit drilling an