| 摘要 |
1278525 Relaying railway track F PLASSER 13 Oct 1969 [16 Oct 1968] 50193/69 Heading E1G In railway track laying and/or lifting apparatus a frame 7 shown carrying a sleeperhandling conveyer system 1-8-12-13-5 of a track-laying train as in Specification 1278524 is supported at one end on a railway vehicle (e.g. the sleeper-transport truck, not shown) and at the other end on at least one crawler track 9 running on the ballast. The crawler track 9 has a sub-frame 37 pivoted at 36 to the frame 7, is steered by e.g. a pneumatic cylinder 9", and has single or multiple outrigger wheels 9' which are optionally power driven and whose height is adjusted by pivoting L-shaped arms (35), Fig. 2, (not shown) about a horizontal axis. |
