Diaphragm gas meter fixing device and method suitable for automatic verification line

The invention discloses a diaphragm gas meter fixing device and method suitable for an automatic verification line, and the device comprises a diaphragm gas meter adapter which is used for carrying out the adaptive fixation of a diaphragm gas meter; the diaphragm gas meter adapter is mounted on the tray; the detection piece is used for detecting whether the diaphragm gas meter is matched with the diaphragm gas meter adapter or not; and the steering part is used for rotating the position of the tray, so that the diaphragm gas meter adapter and the diaphragm gas meter are matched and fixed. According to the diaphragm gas meter fixing device suitable for the automatic verification line, the direction of the fixing device can be flexibly adjusted according to different gas inlet modes of the diaphragm gas meter so as to adapt to the structure of the diaphragm gas meter, fixation of the diaphragm gas meter is achieved, and automatic verification of the diaphragm gas meter is completed. 本发明公开了一种适用于自动检定线上的膜式燃气表固定装置及