High-pressure dry-type welding test cabin

The utility model discloses a high voltage dry-type welding test cabin including a cabin and a close cover connected with the cabin, a quick-opening locking device located between said cabin and said close cover, a welder support device located in said cabin, a safety interlocking device located on the exterior wall of said cabin, and a high-speed camera system. The safety interlocking device mounted on said test cabin is interlocked with a shell ring, the locating pin can prevent the shell ring from rotating when it enters into the containning hole of said shell ring, ensuring that the shell ring cannot rotate when misoperation happens thereby preventing accidents. The welding tool of the utility model can help perform all-positon welding test, its optical path of the high-speed camera system can perform all-positon negative phototropism and can reduce error from switchnig the quick-opening cabin door by adjustingan an optical device.