| 摘要 |
<p>A self-propelled vibratory roller is shown in this disclosure. The roller provides an effective ground compaction. The tire wheels in the compacting set transmit to the ground a force equal to the total weight of the roller unit divided by the number of wheels therein. The wheels are mounted to provide an isostatic suspension for the unit. The roller includes means for blocking at least in one direction the oscillations transmitted to the tires relative to two tires located at the ends of the arrangement of tires in the roller unit. The tires are inflated with a pressure in the range of two to six atmospheric pressure. The distance between the axis of the vibratory and roller units is made less than four meters. The two units are connected by a steering articulation. The vertical axis of the articulation, when extended, will intersect the ground at a location equidistant from the projections on the ground of the axes of the two units.</p> |
