Brake device of rail-mounted inspection robot

The utility model discloses a braking device of a rail-mounted inspection robot, which relates to the technical field of rail-mounted inspection robots, and comprises a slide rail, the surface of the slide rail is slidably connected with two driving frames, the surfaces of the two driving frames are fixedly connected with a robot main body, the surface of the robot main body is rotatably connected with two cameras, and the two cameras are fixedly connected with the slide rail. The braking device comprises a robot body, a limiting device is arranged on the surface of the robot body, the limiting device comprises two connecting plates, and the two connecting plates are both fixedly connected with the robot body. And rubber pads are used for abutting against the surfaces of the sliding rails to limit the robot main body, the braking effect on the robot main body can be achieved, the robot main body cannot slide when being maintained, maintenance personnel can conveniently conduct maintenance work, and then the p