Novel gas flow rate testing equipment for environmental monitoring

The utility model relates to a novel gas flow rate testing device for environmental monitoring, and belongs to the technical field of environmental monitoring, the novel gas flow rate testing device comprises a flue gas flow rate monitor body, the top end of the flue gas flow rate monitor body is fixedly provided with a gas inlet pipe, the gas inlet pipe is sleeved with a sampling hose, and the top end of the flue gas flow rate monitor body is fixedly provided with a rotating shaft frame; the two rotating shaft frames are located on the two sides of the sampling hose respectively, and each rotating shaft frame is rotationally connected with a limiting plate; a limiting groove is formed in the upper surface of the flue gas flow velocity monitor body, and the bottom end of the limiting plate is located in the limiting groove; a pushing groove is formed in the side wall, close to the sampling hose, of the limiting groove, a pushing spring is fixedly connected into the pushing groove, the end, close to an opening