Fault diagnosis device for railway communication transmission

The utility model discloses a fault diagnosis device for railway communication transmission, which belongs to the technical field of railway communication, and is characterized by comprising a box body, the top of the box body is movably connected with a cover plate, the bottom inside the box body is movably connected with a supporting plate, the bottom of the supporting plate is fixedly connected with a plurality of jacking mechanisms, and the jacking mechanisms are fixedly connected with the box body. The bottom of the jacking mechanism is fixedly connected with the inner wall of the box body, a device body is placed at the top of the supporting plate, a protection plate is fixedly connected to the inner wall of the box body, and limiting mechanisms are fixedly connected to the two sides of the top of the protection plate. The problems that when the diagnostic device breaks down, it is inconvenient to take out the diagnostic device from the interior of a containing box quickly and overhaul the diagnostic de