Stone-filled roadbed settlement difference detection device

The invention discloses a stone-filled roadbed settlement difference detection device which comprises two induction columns, a connecting rod is connected between the two induction columns, the two ends of the connecting rod are hinged to the two induction columns respectively, walking mechanisms are arranged at the lower ends of the two induction columns respectively, a vertically-arranged detection disc is arranged in the middle of the connecting rod, and the detection disc is connected with the connecting rod through a connecting rod. The detection disc comprises a disc shell, a circular ring mounting plate is arranged in the disc shell, an annular winding resistor piece is arranged on the circular ring mounting plate, a conductive fixing plate is connected to the circular ring mounting plate, and the other end of the conductive fixing plate is connected to the center of the disc shell. The end, located in the center of the disc shell, of the conductive fixing plate is rotationally connected with a rotary