The invention provides a
roller coaster wheel train device with buffer and eccentric adjustment functions. The
roller coaster wheel train device is composed of a bearing wheel, a bearing wheel axle, a bearing wheel rack, a hanging wheel rack rotating shaft, a side guide wheel, a side guide wheel axle, a side guide wheel rack rotating shaft, a hanging wheel axle and a hanging wheel, and is characterized by further comprising a side guide wheel buffer device, a hanging wheel buffer device, a hanging wheel rack, a side guide wheel axle eccentric
bushing, a side guide wheel rack, a rubber pad, a rubber pad
metal plate and a spring which are connected with one another, wherein the side guide wheel buffer device is composed of the rubber pad, a rubber pad
metal plate and the spring; the side guide wheel is connected with the side guide wheel axle eccentric
bushing through the side guide wheel axle; the side guide wheel axle eccentric
bushing is fixed on the side guide wheel rack through a screw; and the side guide wheel buffer device is fixed on the bearing wheel rack through a stud. The
roller coaster wheel train device disclosed by the invention has the advantages of being reliable in operation, small in
impact, capable of reducing the discomfort of passengers, simple in structure, eccentrically adjustable and convenient to detach and maintain.