Results 11 to 20 of about 1,770 (209)

Research on fully mechanized mining equipment removal planning during sequencing working face

open access: yesGong-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
doaj   +2 more sources

Grid partition method of fully-mechanized coal mining face area and its applicatio

open access: yesGong-kuang zidonghua, 2018
In order to meet fine management requirements for fully-mechanized coal mining face production, a grid partition method of fully-mechanized coal mining face area was put forward.
QU Shijia
doaj   +2 more sources

Digital twin: meeting the technical challenges of intelligent fully mechanized working face

open access: yesGong-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
doaj   +2 more sources

Numerical and in-situ investigation on the ground behavior of the end roof in fully mechanized caving face [PDF]

open access: yesE3S Web of Conferences, 2021
Fully mechanized top coal caving is a major high-yield and high-efficiency coal mining method for thick seam mining. At present, it is affected by the further popularization and application of fully mechanized caving mining because the recovery rate is ...
Zang Chuanwei   +5 more
doaj   +2 more sources

Mathematical model of automatic following control in the middle of fully mechanized mining face

open access: yesGong-kuang zidonghua, 2016
With consideration of bi-directional cutting characteristics of fully mechanized mining face and analysis of coordinated control of shear, hydraulic support and scraper conveyor, a mathematical model was firstly proposed to describe curved path of ...
SHI Yong   +3 more
doaj   +2 more sources

Design and Application of Automatic Control System for Fully Mechanized Mining Face in Coal Mine

open access: yesAdvances in Multimedia, 2022
In order to improve the automatic control effect of fully mechanized mining face in coal mine, this paper combines the literature research method to analyze the disadvantages of traditional research and combines the demand analysis to analyze the structure of the automatic control system of fully mechanized mining face in coal mine.
Zhi Yuan, Huanlei Chi, Yan Cao
openaire   +3 more sources

Research on key technology of intelligent fully mechanized caving face construction in Baode Coal Mine

open access: yesGong-kuang zidonghua, 2023
The current research achievements in the construction of intelligent fully mechanized caving face lack systematic implementation case for a specific fully mechanized caving face.
WU Xicang   +3 more
doaj   +2 more sources

Research on Dust Source Traceability Based on Dust Migration Law in Working Area of Large Mining Height Fully-mechanized Face [PDF]

open access: yesE3S Web of Conferences, 2022
The dust control basis of fully mechanized mining face is clear dust source characteristics. In view of the problem of unclear dust source and unknown distribution characteristics in the working area of 7.8 m large fully mechanized mining face, the fully
Li Zhi, Ma Wei
doaj   +2 more sources

Research on equipments cooperative advancing control technology on fully-mechanized coal mining face and two-roadways

open access: yesGong-kuang zidonghua, 2018
For problems of low automation level and poor cooperative control of equipments on fully-mechanized coal mining face and two-roadways, a scheme of equipments cooperative advancing control technology on fully-mechanized coal mining face and two-roadways ...
WANG Feng
doaj   +2 more sources

Crawler Type Blasthole Drilling Rig for Fully Mechanized Mining Face Crossing the Fault

open access: yesMeikuang Anquan, 2020
Aiming at the problem of low efficiency and high labor intensity of the traditional construction method of fully mechanized mining face crossing the fault, a crawler type blasthole drilling rig suitable for fully mechanized mining face crossing the ...
WANG Tianlong, SONG Haitao, LIU Yiyang
doaj   +2 more sources

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