Dry detection device for fuel gas surface membrane assembly

The utility model discloses a dry detection device for a fuel gas surface membrane assembly. The dry detection device comprises a base; the air cylinder seat plate is arranged above the base, and the air cylinder seat plate and the base are arranged at an interval; the driving air cylinder is mounted on the air cylinder seat plate and is mounted on the end surface, far away from the base, of the air cylinder seat plate; the driving air cylinder is provided with a power output shaft penetrating through the air cylinder base plate. The upper body is connected with the power output shaft, and the upper body can be driven by the power output shaft to be close to or away from the base; the end face, close to the air cylinder base plate, of the base is provided with a lower containing cavity used for containing a fuel gas surface membrane assembly, and the lower containing cavity is provided with an inflation pipeline communicated with an inflation device. The pressure transmitter and the pressure gauge are used fo