Mass-adjustable pendulum spring mass damper with universal hinge for chimney

The utility model relates to the field of chimneys, in particular to a mass-adjustable pendulum spring mass damper with a universal hinge for a chimney, which comprises a chimney main body, eight sets of damping supports are welded to the position, close to the top, of the outer wall of the chimney body, the eight sets of damping supports are transversely and evenly arranged on the outer wall of the chimney body at intervals, universal hinges are fixedly installed at the ends, away from the direction of the chimney body, of the bottoms of the damping supports, and pin shafts are hinged to the bottoms of the universal hinges. Supporting plates are fixedly connected to the positions, close to the bottoms, of the outer walls of the pin shafts, and a plurality of mass pieces are installed on the portions, on the upper sides of the supporting plates, of the outer walls of the pin shafts through bolts; according to the utility model, the mass sheet is in bolted connection with the pin shaft, so that the mass sheet