| 摘要 |
A track-bound carriage for receiving or laying an assembled track section from or on a track bed and for transporting the assembled track section in an operating direction, which comprises an elongated carrier frame, two undercarriages respectively supporting the forward and rear carrier frame halves on the assembled track section for movement therealong, each undercarriage including a flanged wheel engaging a respective one of the rails for support of the elongated carrier frame on the assembled track section, and a device for advancing the carrier frame stepwise in the operating direction, which includes two pairs of independently operable jacks arranged adjacent each other in the operating direction on each carrier frame half, each jack of each of the pairs being mounted at a respective one of the carrier frame sides outwardly spaced from a respective one of the tie ends, operation of the jacks vertically adjusting the jacks and enabling the jacks to engage the track bed, and one of the pairs of jacks on each carrier frame half being movable in relation to the other pair of jacks on each carrier frame half in the operating direction while the other pair of jacks engages the track bed and supports the elongated carrier frame thereon. A transversely adjustable rail gripping device at each one of the undercarriages detachably holds the assembled track section. |
