Movement loading structure of diaphragm gas meter movement metering error testing machine

The utility model discloses a movement loading structure of a diaphragm gas meter movement metering error testing machine, the movement loading structure comprises a limiting square frame, a guide plate and a station switching cylinder, and the limiting square frame is fixedly connected with a push rod of the station switching cylinder through a vertical support on the outer side; the device is characterized by further comprising a mounting base plate, the whole mounting base plate is of a long-strip-shaped plate-shaped structure, and mounting holes are formed in the two ends of the mounting base plate in the length direction in a penetrating mode; the station switching cylinder is fixedly mounted on the lower surface of the mounting base plate; the jacking air cylinder is vertically mounted in the middle of the upper surface of the mounting base plate in the length direction; a push rod of the jacking air cylinder faces upwards and is fixedly provided with a horizontal supporting plate, and the overall lengt