Rapid detector for concrete settlement of track bed

The utility model relates to the technical field of rapid concrete settlement detectors, and discloses a rapid track bed concrete settlement detector which comprises a mounting column, the mounting column is a hollow circular barrel, a circular opening is formed in the upper portion of the mounting column, and a rotating motor is fixedly connected to the bottom side of the interior of the mounting column; the output end of the rotating motor is fixedly connected with a rotating threaded shaft. According to the device, the mounting column is mounted in a concrete pit of a track bed, the storage battery is extruded through the two sets of first extrusion blocks to be restrained, the storage battery supplies power to the rotating motor, the rotating motor is started, the rotating motor drives the rotating threaded shaft to rotate clockwise, and the rotating threaded shaft rotates clockwise; the rotary threaded shaft drives the telescopic column to move upwards in the clockwise rotation process, the telescopic co