Results 1 to 10 of about 2,039 (219)

Analysis on mining method of unmanned working face in steeply inclined thin and medium thick coal seam based on beaded wire saw

open access: yesMeitan kexue jishu, 2023
Regarding the problem of “key 4% coal seam which is difficult to realize mechanized mining”, it mainly refers to the mechanized mining method of steeply inclined thin and medium thick coal seam with dip angle greater than 60°. For the first time, it puts
WANG Yongyin, GAO Lin, YANG Deli
doaj   +2 more sources

A Review of Intelligent Unmanned Mining Current Situation and Development Trend

open access: yesEnergies, 2022
Intelligent unmanned mining is a key process in coal mine production, which has direct impact on the production safety, coal output, economic benefits and social benefits of coal mine enterprises.
Kexue Zhang   +5 more
doaj   +3 more sources

Coal mine intelligence,mine 5G and network hard slicing technology

open access: yesGong-kuang zidonghua, 2021
In order to reduce the number of operators in the working face of coal mines, an unmanned 5G ground remote control method for working face is proposed.
SUN Jiping
doaj   +1 more source

Design and application of automatic cable dragging system for shearer

open access: yesMeitan kexue jishu, 2023
In order to meet the unmanned needs of thin coal seam fully mechanized mining faces and address the issue of requiring dedicated personnel to monitor the cables of existing coal mining machines, an automatic cable dragging system for coal mining machines
Yao CUI   +4 more
doaj   +1 more source

Coal mine intelligent information comprehensive carrier network

open access: yesGong-kuang zidonghua, 2022
At present, the information carrier network used in coal mine is mainly 100 Megabit, Gigabit and 10 Gigabit mining Ethernet ring network. The time delay and reliability of the network are uncontrollable.
SUN Jiping, CHENG Jiamin
doaj   +1 more source

Top coal thickness detection method for intelligent fully-mechanized working face

open access: yesGong-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
doaj   +1 more source

Study on Anchor Cable instead of Single Hydraulic Prop Support in Advance Support of Deep Roadway

open access: yesAdvances in Civil Engineering, 2021
In order to solve the problems of complicated advanced support process, high labor intensity, affecting the rapid advance of working face and the destruction of roof bolt (cable) by advance single hydraulic prop in ultra kilometer deep mine roadway, the ...
Wenpeng Su, Boyang Zheng, Pengfei Jiang
doaj   +1 more source

Study on dynamic modification method of 3D model of coal seam in fully mechanized working face

open access: yesGong-kuang zidonghua, 2022
The high-precision coal seam geographic information of fully mechanized working face is the key to realizing intelligent unmanned mining. However, the vertical precision of 3D model of coal seam constructed at this stage is low. The model cannot meet the
LIANG Shua   +4 more
doaj   +1 more source

An Improved Multi-Platform Stacked D-InSAR Method for Monitoring the Three-Dimensional Deformation of the Mining Area

open access: yesIEEE Access, 2021
The acquisition of information on fine surface three-dimensional deformation in a goaf is of great significance for the in-depth understanding of the law of mining subsidence and guiding the safe production and ecological restoration of the mining area ...
Xiaobing Liu, Jilei Huang
doaj   +1 more source

Application status and development tendency of automation control technology for fully mechanized working face

open access: yesGong-kuang zidonghua, 2013
The paper introduced research development and actual application status of automation control technology for fully mechanized working face at home and abroad, indicated development tendency of automation control technology for fully mechanized working ...
HUANG Zeng-hua
doaj   +1 more source

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