| 摘要 |
PURPOSE:To permit the disassembly and assembly of a pile driver without the use of othe cranes by disassembling the pile driver to the delivered to other construction site by means of its own simple crane consisting of parts, pulleys, and hooks. CONSTITUTION:In a three-point support type driver in which a leader 15 pivotally supported on a bracket 12 is suported by two back stays 18, the leader 15 is inclined forward, and then the back stays 18 are removed and the leader 15 is supported almost horizontally on a holder 50 while being supported by a pendant rope 26. Then, one end of a hanger provided to the leader 15 is pivotally supported on a base machine 11 and the other end is wound with a hanging wire 48 to form a simple crane, and the leader 15 and the bracket 12 are loaded on a truck by means of the simple crane. Then, a pile driver is loaded on a tractor to complete the disassmebling operation. |
