Vibration Response Analysis of the Tail Beam of Hydraulic Support Impacted by Coal Gangue Particles with Different Shapes. [PDF]
ACS Omega, 2022 The existing research on coal gangue identification based on vibration usually assumes that coal gangue particles are ideal shapes. To understand the vibration response difference in hydraulic support caused by coal and gangue with real shapes, this ...
Wan L +5 more
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Seq2Seq-based GRU autoencoder for anomaly detection and failure identification in coal mining hydraulic support systems. [PDF]
Sci RepIn coal mining operations, the stable operation of hydraulic supports is crucial for ensuring mine safety. However, the nonlinear, non-stationary characteristics and noise interference in hydraulic support pressure data pose significant challenges for ...
Zhan K +6 more
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Research on Intelligent Control System of Hydraulic Support Based on Position and Posture Detection
Machines, 2022 In the study of coal mining, the position and posture, the working status, and the straightness of the hydraulic support are critical to the safety of the coal mine.
Yi Zhang +5 more
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Multi-condition simulation analysis of a sliding hydraulic support system based on elastoplastic mechanics. [PDF]
Sci RepIn response to the challenges of supporting fractured and weak surrounding rock in deep coal mines in the Huainan region of China, a self-moving hydraulic support system for roof support was designed and developed.
Wang C, Wang W, Guo Y, Zhao D.
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Simulation Research on Impact Contact Behavior between Coal Gangue Particle and the Hydraulic Support: Contact Response Differences Induced by the Difference in Impacted Location and Impact Material. [PDF]
Materials (Basel), 2022 In the process of top coal caving, coal gangue particles may impact on various parts of the hydraulic support. However, at present, the contact mechanism between coal gangue and hydraulic support is not entirely clear.
Yang Y, Zhang Y, Zeng Q, Wan L, Zhang Q.
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Research on the hydraulic support face guard mechanism and coupling characteristic of rib spalling in large mining heights. [PDF]
Sci RepIn view of the problem of poor coupling adaptability and easy rib spalling of coal wall in large mining height comprehensive mining, based on the effective inhibition effect of face guard mechanism on coal wall spalling, the structural characteristics ...
Zeng Q, Ma X, Wan L, Zhu Y, Yue Y.
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ActuatorsA hydraulic support is one of the most important pieces of equipment in fully mechanized coal mining, and its stability and reliability will have a direct impact on fully mechanized coal mining.
Bowen Xie, Yang Yang
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A new determination method of hydraulic support resistance in deep coal pillar working face [PDF]
Sci RepThis study addresses hydraulic support resistance determination in deep coal pillar caving faces at Zhaogu No. 2 Mine through integrated theoretical, numerical, and field analyses. Theoretical calculations (empirical estimation: ≥ 15.742 MN; dynamic load
Li G, Li X, Huan H, Lin H, Ren Z, Ren H.
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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
doaj +2 more sources
International Journal of Mining Science and Technology, 2021 It is significant to research the impact resistance properties of hydraulic support due to its key support role in the fully mechanized mining face. However, it is difficult for the entire hydraulic support to implement the impact experiment underground ...
Huaiwei Ren +6 more
doaj +2 more sources