Results 11 to 20 of about 54,197 (216)
Gong-kuang zidonghua, 2023 The intelligence of fully mechanized working face is a key link in the intelligence of coal mines. The perception and analysis of hydraulic support state is the premise and foundation of intelligent control of fully mechanized working face.
LI Jian, REN Huaiwei, GONG Shixin
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Research on principle of supporting status classification and sensing of hydraulic support
Gong-kuang zidonghua, 2020 Aiming at problem that single attitude measurement of hydraulic support can not fully reflect comprehensive state of hydraulic support, and can not realize accurate perception of supporting state of hydraulic support, taking two column shield hydraulic ...
ZHANG Desheng +5 more
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Gong-kuang zidonghua, 2021 The hydraulic support automatic follow-up control should have the performance of high support, fast support moving, large moving distance, etc. Among these performance, under the premise of ensuring stope safety, shortening the time of working face empty
ZHOU Rulin, QIAO Zishi, MENG Lingyu
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Memory attitude monitoring method for hydraulic support based on grey theory
Gong-kuang zidonghua, 2017 Existing hydraulic support monitoring methods can only monitor single support without fusion analysis of monitoring data of united hydraulic supports and have low utilization ratio of monitoring data.
WANG Yafei +3 more
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Intelligent cooperative control of hydraulic support inspired by driveless car
Gong-kuang zidonghua, 2020 For problems such as low control accuracy, poor coordination and uneven pushing of hydraulic support in fully-mechanized coal mining face, an intelligent cooperative control method of hydraulic support is proposed based on driverless car technology ...
NIU Jianfeng
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Research on the hydraulic support top beam based on dynamic load bearing
Frontiers in Earth Science, 2023 Introduction: Aiming at the problem of structural damage of top beam and column in the actual bearing process of top coal caving hydraulic support caused by uneven roof pressure in the process of fully mechanized caving mining in thick coal seam coal ...
Lianmin Cao +4 more
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Research on stabilized pressure hydraulic fluid supply technology adapted to hydraulic support actio
Gong-kuang zidonghua, 2018 In order to improve ability of hydraulic support following shearer in working face, coupling relationship among support action velocity, hydraulic system pressure and flow rate of hydraulic fluid supply was revealed by theory analysis of support ...
WANG Ranfeng +3 more
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Research on the dynamic law of automatic following of hydraulic support
Gong-kuang zidonghua, 2023 Currently, research on the automatic following of hydraulic support in fully mechanized working faces focuses on controlling the movement of hydraulic support based on external environmental variables.
REN Huaiwei +5 more
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Gong-kuang zidonghua, 2023 The communication system is the channel and bridge for information transmission in the hydraulic support electro-hydraulic control system of the fully mechanized mining face. Currently, CAN bus is commonly used as the communication bus. It is susceptible
YANG Yongkai +7 more
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Study on Fracture Behavior of Directly Covered Thick Hard Roof Based on Bearing Capacity of Supports
Applied Sciences, 2023 Mine pressure at the working face is severe due to it being directly covered by a thick hard roof. To further investigate the technology of controlling the mine pressure of a thick hard roof, the upper working face of 13,121 in Gubei mine of Huainan ...
Jiawen Li +4 more
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