Results 91 to 100 of about 4,720,782 (169)

Linkage control method of fully mechanized mining equipment based on thousand eyes intelligent analysis system

Meikuang Anquan
The fully mechanized mining face system is complex and large, and the equipment is highly correlated. The reliability of the intelligent fully-mechanized coal mining equipment system has gradually become the key factor restricting the intelligent safe ...
Xu LI, Wei YANG, Yun SHI, Jie LI, Bo DONG   +4 more
doaj   +1 more source

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

, 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 fault
WANG Tianlong, SONG Haitao, LIU Yiyang
core   +1 more source

Multi-dimensional constraint-based coal mining machine cutting path planning technology

Meitan xuebao
The cutting path planning technology for coal mining machines is one of the key technologies for achieving intelligent mining in fully mechanized mining faces.
Shuyang SONG, Shibo WANG, Yun WANG, Lijie WANG, Dongshuai SONG   +4 more
doaj   +1 more source

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

, 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 ...
CUI Zhifang, YUAN Xiaoqin, LIN Jiang, SHI Yong   +3 more
core   +1 more source

Analytical solution of predicting rib spalling depth of fully-mechanized coal working face based on tri-linear strain softening model [PDF]

In order to predict rib spalling depth in fully-mechanized mining faces, taking the coal wall as the research object, the coal wall is regarded as a tri-linear strain softening material. Then the direct roof and main roof are taken as macro roof, and the
Guoming CHI, Gang LI, Gang XU, Chunhui ZHANG   +3 more
core   +1 more source

Study on Prevention and Control Technique of Ground Pressure in Fully Mechanized Mining Remained Coal Pillars

, 2011
Based on the strong danger and great difficulty characteristics of coal pillars mining under strong ground pressure in Datong coal district, the observations on the No.311 coal face in Tongjialiang coal mine were carried out by the method of drilling ...
Hong Chun Xia, Zhen Qi Song, Wei Li
core   +1 more source

Conceptual design system of three machines matching of fully mechanized coal mining equipment

, 2018
In view of problems that most of existing intelligent design methods of fully mechanized coal mining equipment are not considered complex coupling relationship among design parameters of three machines matching, which leading to poor applicability of the
DUAN Qi, DENG Jintao, DING Hua, WANG Yiliang   +3 more
core   +1 more source

Mechanism of instability induced scour of thick hard rock-coal pillar structure in deep fully mechanized working face with large mining height

Yantu gongcheng xuebao
The instability-induced rockburst of thick hard rock stratum-coal pillar structure is a typical rockburst mode in Ordos deep mining area, and its mechanism is still unclear.
ZHANG Xiang 1, ZHU Sitao 1, 2, JIANG Fuxing 1, LIU Jinhai 1, ZHU Quanjie 3, SHI Xianfeng 3, HAN Gang 4, WEI Xiaohu 5, CAO Jinglong 4, QU Xiaocheng 6
doaj   +1 more source

Valuing the Non-Market Impacts of Underground Coal Mining [PDF]

This paper has been published in a peer-reviewed journal as: Gillespie, R. & M. E. Kragt (2012). "Accounting for nonmarket impacts in a benefit-cost analysis of underground coal mining in New South Wales, Australia." Journal of Benefit-Cost Analysis 3(2):
Gillespie, Robert, Kragt, Marit Ellen
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Construction of knowledge graph for fully mechanized coal mining equipment based on joint coding

Using knowledge graph technology for data management can achieve effective representation of fully mechanized coal mining equipment. The information with deep mining value can be obtained. The imbalanced data of fully mechanized coal mining equipment and
HAN Yibo, YE Ou, DONG Lihong
core   +1 more source