Road roller, also known as soil compactor, is a kind of road repairing equipment. Road rollers belong to the category of road equipment in construction machinery. They are widely used in the compaction of high-grade highways, railways, airport runways, dams, stadiums and other large-scale engineering projects. Subgrade stabilized soil and asphalt concrete pavement layer. The roller is applied to various compaction operations by the gravity of the machine itself, so that the layer to be rolled is permanently deformed and compacted. Road rollers are divided into steel wheel type and tire type.