Subway tunnel potential safety hazard detection vehicle and subway tunnel detection system

The utility model relates to the technical field of metro tunnel detection, in particular to a metro tunnel potential safety hazard detection vehicle and a metro tunnel detection system, and aims to solve the problems that the detection result is inaccurate and the requirement of long-distance detection cannot be met when manual detection is adopted in the metro tunnel disease detection operation at present. The utility model provides a subway tunnel potential safety hazard detection vehicle. The subway tunnel potential safety hazard detection vehicle comprises a main vehicle body, a vehicle-mounted crack detection part, a three-dimensional laser scanner, a coupled antenna part, a first driving part and a second driving part, the vehicle-mounted crack detection part is provided with a box body and a camera, and the box body can rotate relative to the main vehicle body; the output end of the first driving part is connected with the three-dimensional laser scanner; a guide plate is arranged on the second drivin