| 摘要 |
The invention belongs among roadworks machinery, more particularly among the equipment for the transportation, spreading and levelling of bulk material, such as crushed stone of different particle sizes, gravel, sand and milled asphalt. This machine is a semitrailer, forming a self-propelled machine when attached to a saddle truck. The machine comprises of a frame that has an undercarriage together with axles fastened to it, a bulk material hopper, a spreading and levelling unit for bulk material spread out, a lifting mechanism for the spreading unit, an adjusting mechanism for profiling blades, an expansion mechanism, a cleaning mechanism for hopper. |
