| 摘要 |
In a mobile track working machine comprising a frame mounted for mobility on the track: a mechanism for bending the track rail section ends comprises a carrier frame vertically adjustably mounted on the machine frame above a respective track rail and having respective end regions spaced from each other in the direction of the track rail, a respective hydraulically operable and vertically adjustable thrust element mounted in a respective end region of the carrier frame for engagement with the running face of the track rail, an intermediate carrier transversely movably mounted on the carrier frame, and a rail lifting hook device supported centrally between the thrust elements on the intermediate carrier for engagement with the track rail, the hook device including two lifting hooks arranged symmetrically with respect to the vertical plane of symmetry of the rail, a respective pivot having an axis extending in the direction of the track rail and mounting a respective lifting hook for pivoting into a rail engaging position wherein the lifting hook subtends the rail head, and a respective drive linked to each lifting hook at another pivot for pivoting the hook linked thereto. |
