Environment-friendly flue gas measuring instrument

The utility model discloses an environment-friendly flue gas measuring instrument which comprises a gas inlet pipe, one end of the gas inlet pipe is provided with a threaded pipe, and the outer portion of the threaded pipe is in threaded connection with a measuring body. Sliding rods are fixedly connected to the two sides of the interior of the measuring body, clamping plates are arranged outside the two ends of each sliding rod, through holes are formed in the two ends of each clamping plate, the through holes are in sliding fit with the sliding rods, and damping dampers are fixedly connected between the two ends of one side of each clamping plate and the measuring body; and a buffer spring is arranged outside the shock absorption damper in a sleeving manner. By means of the structure, the clamping plates, the sliding rods, the buffer springs and the damping dampers are arranged, the control panel is clamped and tightly attached through the clamping plates, the sliding rods are in sliding fit, the stabilizin