Electromagnetic deep water level measuring device

The utility model discloses an electromagnetic deep water level measuring device. The utility model belongs to the technical field of foundation pit dewatering, the device comprises a box body, a lifting device arranged in the box body, a control box and a main power supply, a distance measuring device is arranged on the lower side of the lifting device; a signal device is arranged at one end of the lifting device; wherein the lifting device comprises a motor, a rotating shaft fixed at the output end of the motor and an electric lead wound on the rotating shaft, the electric lead is connectedwith an auxiliary power supply and a probe in series, the distance measuring device comprises a fixed shaft and an encoder V-shaped wheel, the signal device comprises a fixed elastic sheet and a dynamic elastic sheet, and a plurality of springs are arranged between the dynamic elastic sheet and the inner wall of the box body. The motor rotates to drive the conductor wire to ascend and descend, theencoder V-shaped wheel me