| 摘要 |
<p>A material extraction system for an underground mine includes an elevated haulage conveyor extending between first and second ends of a roadway entry. The haulage conveyor is cantilevered from a mine wall and conveys material toward either end of the roadway entry. The system also includes a crusher including a drive operable to move the crusher along the roadway entry. The system further includes a load haul dump vehicle for moving material through an underground mine, the vehicle comprising: a front end including a moveable load bucket; a rear end pivotally coupled to the front end; and an electrical drive operable to move the load bucket and the vehicle. 6172230_1 (GHMatters) P94146.AU.1 PETAK o coi</p> |
