| 摘要 |
A device (1) for the maintenance and the repair of rails and railroad apparatuses, includes: a frame (2); elements (3, 4, 5) of displacement on a rail; the elements of displacement including two wheels (4, 5) aligned with an axis (6) of displacement of the device along a rail (7). The frame (2) is arranged on the elements (3) of displacement so that, when the wheels of the device are positioned on a rail (7), the center of gravity (22) of the device is placed vertically to the rail. According to a preferred embodiment, each wheel is provided with two flanges (12, 13) having a substantially annular shape, the position of at least one of the flanges being axially adjustable.
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