| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a feed mechanism of explosive, avoiding the damage of a control device and keeping the function thereof over a long period. <P>SOLUTION: A cage 19 for work is supported on a boom 17 of a drill jumbo 15, and a loader 20 of explosive is disposed to the cage 19 for work. A control device 21 controlling the loading of the explosive is disposed on a body 16 of the drill jumbo 15. An operation switch 22 operating the control device 21 is provided to the cage 19 for work, the operation switch 22 is connected to the control device 21 with an operation air hose 28 and a valve opening/closing air hose 29, and the control device 21 is operated with air pressure. The loader 20 is connected to the control device 21 with a loading air hose 26 and a lubrication water hose 27, and air and lubrication water for loading the explosive into a loading hole 14 are fed to the loader 20 from the control device 21. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
