Detection device and detection system for fuel gas surface membrane assembly

The utility model discloses a gas surface membrane assembly detection device and detection system, comprising a pedestal and a cylinder seat plate which is arranged above the pedestal and is connected with the pedestal through a guide shaft, and the cylinder seat plate and the pedestal are arranged at an interval; the driving cylinder is mounted on the end surface, far away from the base, of the cylinder seat plate; the driving cylinder is provided with a power output shaft penetrating through the cylinder seat plate; the lower body is arranged on the end face, close to the air cylinder seat plate, of the base, the lower body is connected with the base through an elastic assembly, the lower body is provided with a lower containing cavity used for containing the gas surface membrane assembly, and an inflation pipeline communicated with the lower containing cavity and an inflation device is arranged in the lower containing cavity; the upper body is connected with the power output shaft and can be close to or fa