Support for high-altitude gas detection

The utility model discloses a support for high-altitude gas detection, which comprises a first plate body, a second plate body and a rotating shaft, the first plate body and the second plate body are both mounted on the side wall surface of the rotating shaft and hinged with the side wall surface of the rotating shaft, and fan-shaped grooves are formed in the opposite surfaces of the first plate body and the second plate body. A driven mechanism is installed in a fan-shaped groove of the first plate body, a first box body is inserted in the second plate body, a driving mechanism is installed in the first box body and penetrates through the side wall face of the fan-shaped groove in the side wall face of the second plate body, and when instruments of different sizes and shapes need to be installed, a first air cylinder in the clamp box is started, and the driven mechanism is driven to rotate; according to the detection support, the first air cylinder is arranged, so that the T-shaped telescopic end of the firs