ROAD COMPACTOR Russian patent published in 1997 - IPC

FIELD: road building machines; compacting of pavement. SUBSTANCE: road compactor has frame and flanges with axles uniformly spaced over circumference and mounted on central axle. Rollers are installed on axle set into motion by chain drive so that rolling of rollers along section to be compacted takes without slipping. Variable thickness of shell of each roller over circumference provides possibility of changing their rigidly in radial direction which is necessary for providing required contact pressure at compacting the pavement section. External cylindrical surface of each roller is made concentric relative to axis of rotation to provide correct cylindrical shape of compacted section. This is necessary for uniform consolidation of material being compacted from loose to final density state. Eccentricity of inner surface of rollers relative to outer surface provides uniform change of their radial rigidity which depends on thickness of shell. EFFECT: enlarged operating capabilities. 3 cl, 4 dwg