Research and application of intelligent caving technology in fully mechanized working face
Gong-kuang zidonghua, 2021 The traditional top coal caving control mainly relies on manual coal caving control, which uses single-round of sequential coal caving. The working face equipped with electro-hydraulic control system mainly adopts the two-round sequential coal caving ...
WU Tong, YU Rui, LIU Qing, WEI Wenyan
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Emulsion pump station system for super high fully mechanized working face
Gong-kuang zidonghua, 2021 In order to meet the emulsion demand of 8.8 m super high fully mechanized working face, and solve the problems of the existing emulsion pump station system, such as low flow rate of single pump station, insufficient reliability of transmission system ...
CHEN Wei, WANG Cunfei, BIAN Yan
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Top coal thickness detection method for intelligent fully-mechanized working face
Gong-kuang zidonghua, 2021 Detecting the thickness of the top coal in a fully mechanized working face in advance can provide a basis for precise control of the top coal caving, which is beneficial to achieving a balance between the coal caving recovery rate and coal quality.
YANG Xiuyu1 +3 more
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Research on fully mechanized mining equipment removal planning during sequencing working face
Gong-kuang zidonghua, 2022 The current fully mechanized mining equipment removal plan during sequencing working face mainly depends on manual preparation. The large workload and low efficiency lead to the extension of the construction period.
SHI Menghan, ZHU Weibing, REN Haibing
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Information model of intelligent fully mechanized working face based on OPC UA
Gong-kuang zidonghua, 2022 In the process of data connection of each system in fully mechanized working face, it is necessary to perform frequent correspondence between the data point table and the semantics, which leads to the surge of system interconnection and data sharing cost
DU Yibo, ZHANG Chengfeng, GONG Shixin
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Deformation Mechanism and Control of the Surrounding Rock during Gob-Side Entry Driving along Deeply Fully Mechanized Caving Island Working Face [PDF]
Geofluids, 2021 The deformation control of the surrounding rock during gob-side entry driving along deeply fully mechanized caving island working face is one of the main bottlenecks affecting the successful and efficient production in modern mining.
Fei Liu, Yongsheng Han
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Digital twin: meeting the technical challenges of intelligent fully mechanized working face
Gong-kuang zidonghua, 2022 The goal and task of intelligent fully mechanized working face are to independently complete the reliable coal cutting of the fully mechanized working face, maintain the geometric relationship of the working face and reliable roof support.
GE Shirong +6 more
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Influence of Valleys Terrain on Pressure of Fully Mechanized Working Faces in Shallow Coal Seams [PDF]
Shock and Vibration, 2021 The absence of a key stratum during overburden rock movement is crucial to the mining pressure of fully mechanized coal mining faces. Using physical and numerical simulations, the 21304 mechanized mining in Daliuta and Huojitu coal mining faces 1−2 appeared twice during a pressure frame accident analysis.
YingJie Liu, Qingjie Qi, Anhu Wang
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Automation software design and application for fully mechanized working face
Gong-kuang zidonghua, 2023 In view of the demand for efficient mining of fully mechanized working face, the lack of automation software products in the mining process, the lack of industry pertinence of general industrial configuration software, the variety of equipment interface ...
LI Zhongzhong +3 more
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Positioning system of fully mechanized working face based on UWB and laser ranging
Gong-kuang zidonghua, 2021 Traditional wireless positioning technology has low accuracy, and UWB positioning technology can achieve centimeter-level high-precision positioning to meet the accuracy requirements of the fully mechanized working face positioning systems. However, the existing researches ignore the impact of position change of the base station installed on the ...
NIU Yonggang, +5 more
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