Results 11 to 20 of about 7,369 (191)

Research on an Intelligent Mining Complete System of a Fully Mechanized Mining Face in Thin Coal Seam

open access: yesSensors, 2023
The mining environment of thin coal seam working faces is generally harsh, the labor intensity is high, and the production efficiency is low. Previous studies have shown that thin coal seam mining finds it difficult to follow machines, does not have ...
Bo Ren   +5 more
doaj   +3 more sources

Key technologies and equipment for a fully mechanized top-coal caving operation with a large mining height at ultra-thick coal seams [PDF]

open access: yesInternational Journal of Coal Science & Technology, 2015
Thick and ultra-thick coal seams are main coal seams for high production rate and high efficiency in Chinese coal mines, which accounts for 44 % of the total minable coal reserve. A fully mechanized top-coal caving mining method is a main underground coal extraction method for ultra-thick coal seams. The coal extraction technologies for coal seams less
Wang, Jinhua   +6 more
openaire   +3 more sources

Development status and prospect on key technical equipment of high efficiency fully mechanized mining in super high and super long working face [PDF]

open access: yesMeitan kexue jishu
As an important energy support for China”s economic development, coal will remain dominant in energy consumption for a period of time in the future.
Mingzhong LI   +10 more
doaj   +3 more sources

Key technologies and demonstration of unmanned steeply inclined short-wall fully mechanized top-coal caving intelligent mining [PDF]

open access: yesMeitan kexue jishu
Since the 14th Five-Year Plan, my China’s coal mine digital intelligence technology has developed rapidly, especially in thin coal seam mining. However, the unmanned intelligent mining technology of steeply inclined short-wall fully mechanized caving is ...
Haodang LI   +10 more
doaj   +3 more sources

Summary of research on health status assessment of fully mechanized mining equipment

open access: yesGong-kuang zidonghua, 2023
Fully mechanized mining equipment is gradually becoming larger, more complex and more intelligent. The traditional equipment management methods of regular maintenance and post maintenance are no longer able to meet the high reliability requirements of ...
CAO Xiangang   +5 more
doaj   +1 more source

Failure characteristic and fracture evolution law of overburden of thick coal in fully mechanized sub-level caving mining [PDF]

open access: yes, 2017
In mining process, the height of water flowing fractured zone is important significance to prevent mine of water and gas, in order to further research the failure characteristic of the overlying strata.
Fan, Cunhui, Qin, Qirong, Wang, Xiaolei
core   +1 more source

Research on the integration and scheduling method of intelligent cloud manufacturing resources for  fully mechanized coal mining equipment [PDF]

open access: yes, 2020
Abstract In view of the problems such as the overall low utilization rate of resources, the insufficient level of industry informatization, the prominent problem of repeated construction, and the insufficient level of innovation in the manufacturing process design of fully mechanized coal mining equipment, the integration and scheduling method ...
Juanli Li   +4 more
openaire   +1 more source

Improving the process of coal extraction based on the parameter optimization of mining equipment [PDF]

open access: yes, 2018
The aim of this paper is to develop and validate methods of choosing the means of the mining face mechanization. This paper analyses existing methods of optimizing processes in mining.
Hrinov, Volodymyr, Khorolskyi, Andrii
core   +1 more source

A Remote Monitoring and Diagnosis Method Based on Four-Layer IoT Frame Perception

open access: yesIEEE Access, 2019
In this study, a real-time remote monitoring and fault diagnosis method has been developed based on the Internet of Things (IoT) frame perception, and successfully applied to a mine hoist system. The proposed method combines the sensor technology, online
Juanli Li   +6 more
doaj   +1 more source

Cooperative solving method of chute postures in the bending section of a scraper conveyor

open access: yesAdvances in Mechanical Engineering, 2018
This article proposes a cooperatively analytic solving method that calculates the chute posture in the bending section. The method maintains a good posture of the scraper conveyor during its bending process and solves the feeding trajectory of the ...
Jia-cheng Xie   +4 more
doaj   +1 more source

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