| 摘要 |
The invention relates to a rail-road vehicle for carrying out works on track superstructure. Said vehicle comprises a work carriage and a tractor having a front pair of road wheels and a rear pair of road wheels. The aim of the invention is to enable simple and cost-effective rerailing, necessitating little equipment, in addition to treatment of narrow bends in the track, and a large working length. To this end, the tractor also comprises a front pair of road wheels and a rear pair of road wheels, and the work carriage, which is embodied as a semi-trailer on a fifth wheel situated on the traction engine, forms a unit with the tractor during road transport and works carried out on track superstructure. |
