Abstract: Aiming at the problems of short cruising range and difficulty in climbing in the existing coal mine inspection robot with rail-mounted belt conveyor, a walking mechanism combining track and wire rope traction was designed. First, according to the technical requirements of the inspection robot, the overall plan of the inspection robot is studied. Then the structure, walking mechanism, track installation and data acquisition modules of the inspection robot are designed. A virtual prototype model of the inspection robot is established in the ADAMS software, and its displacement changes in the horizontal and tilting motion states are simulated. The robot can run stably in the horizontal direction along the track; there are slight fluctuations in the vertical direction and the horizontal side swing direction, but both meet the requirements; finally, a data acquisition and transmission module is built, and the information acquisition test of the indoor environment shows that: the data acquisition and transmission module can work stably and normally. Therefore, the robot can provide a reference for monitoring the operation status of underground equipment in coal mines.