Track detection device

The utility model provides a track detection device which comprises a track car and a first detection module arranged on the track car, the track car is used for moving on a track, the first detection module comprises a main beam, a box body, a two-dimensional laser sensor and a first acceleration sensor, the main beam is installed on the track car, the box body is connected to the main beam, and the two-dimensional laser sensor is connected to the first acceleration sensor. The box body is located above the track, a mounting cavity and an opening facing the track are formed in the box body, the two-dimensional laser sensor is arranged in the box body and faces the track through the opening so that the outer contour shape of the track can be detected, and the first acceleration sensor and the main beam are relatively fixed; the inertial acceleration sensor is used for detecting inertial acceleration generated by the main beam and the two-dimensional laser sensor. The track detection device provided by the uti