The utility model discloses an inspection robot for a converter station protection room. The inspection robot comprises a crawler-type robot body, a rotary base, a long U-shaped bracket, a navigationcamera and a cloud platform, wherein the rotary base is installed on the crawler-type robot body and is driven by the steering engine to rotate, and the navigation camera is installed in the rotary base and used for recognizing a route during advancing and retreating; the U-shaped bracket is mounted on the rotary base; and the cloud platform is installed in the U-shaped support, the cloud platformis used for inspecting a cable layer in the converter station protection chamber, and a camera and/or an infrared scanning thermodetector are/is installed in the cloud platform. The converter stationprotection chamber inspection robot adopts the crawler-type robot body as a mobile carrier, is stable in movement and can adapt to different road conditions, meanwhile, the crawler-type robot body isprovided with the modular rotating base and the cradle head, cable layer inspection and secondary grounding grid troubleshooting can be conducted in an omnibearing mode, and the structure is simple.