| 摘要 |
PURPOSE:To easily set a long pile by opening or closing a pile receiver having semi-circular portions on its left and right sides, provided to a pile keeper, by a link motion by means of an oil-pressure cylinder, etc. CONSTITUTION:When the oil-pressure cylinder 7 of a pile keeper 3 shrinks, a key 12 moves horizontally, a lever 8 moves circularly, and a pile receiver 10 is closed. By this, a pile 1 can be recieved without damging a Diesel hammer 5 and a pile cap 6. |
