Development of a six drillhead roof bolting machine

来源 :矿业科学技术学报:英文版 | 被引量 : 0次 | 上传用户:lulubukule
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
In underground mining, machine design is predominantly dictated by mine conditions and individual customer desires. In partnership with Foresight Energy, J. H. Fletcher & Company was tasked to design and manufacture a new roof bolting machine with six
其他文献
In order to investigate the frequent occurrences of rock burst in gob-side entry during the mining process of the mining zone No.7,the mechanical model of main
Coal seams with high CO2 gas contents can be difficult to drain gas for outburst management. Coal has a high affinity for CO2 with adsorption capacities typical
As longwall tailgate support technologies continue to be developed and improved,strata worldwide has worked to design and manufacture a revised Propsetter to pr
Energy and resources including coal,oil,and gas are in demand all over the world.Because these resources near the earth’s surface have been exploited for many
Coal burst is the violent failure of overstressed coal,and it is often accompanied by sound,coal ejection and seismic events.It is subsequently recognized as a
The geotechnical slope design of an open pit wall starts at the bench scale configuration.At this scale,the rock slope stability is governed primarily by the ge
The artificial ground freezing(AGF)systems are designed to operate continuously for an extended period of time to control the groundwater seepage and to strengt
Coal mine ventilation is an extremely complicated system that can be affected by many factors.Gas ventilation pressure is one of important factors that can dist