Memory cutting of adjacent coal seams based on a hidden Markov model

W Li, C Luo, H Yang, Q Fan - Arabian journal of geosciences, 2014 - Springer
Height adjustment of a shearer cutting drum is one of the key processes involved when the
shearer swings its cutting drum up and down on a fully mechanized mining face. Direct …

Research on the optimization of drum structure based on virtual prototy** technology

X **, D Han, G Zhao, L Zhao, H Liu - Scientific Reports, 2025 - nature.com
Drums are the core working mechanism of the coal mining machine for coal mining. The
structural design level of the drum is crucial for mining efficiency and safety production …

[PDF][PDF] Evaluating the efficiency of coal loading process by simulating the process of loading onto the face conveyor with a shearer with an additional share

NK Linh, VV Gabov, YV Lykov, RY Urazbakhtin - International Journal of …, 2021 - ije.ir
This paper analyses the possibility of increasing the efficiency of loading the destroyed rock
mass into the face scraper conveyor by the lagging screw actuator of the shearer in the …

Influence of coal cowl parameters on the coal loading process of thin coal seam shearer drum

W Xu, X Zhang, K Gao, S Ma - Scientific Reports, 2024 - nature.com
The low loading rate of the thin coal seam shearer drum is a severe obstacle to the efficient
mining of thin seam resources, and the auxiliary drum loading through the cowl is an …

Research on the effect of dip angle in mining direction on drum loading performance: a discrete element method

K Gao, L Wang, C Du, J Li, J Dong - The International Journal of Advanced …, 2017 - Springer
Poor performance in coal loading of thin coal shearer is the main reason affecting thin coal
mining efficiency. In the paper, the development of thin coal shearer coal loading …

Complex effects of drum hub forms and structural parameters on coal loading performance

K Gao, X Zhang, L Sun, Q Zeng, K Jiang - Complexity, 2020 - Wiley Online Library
The extremely poor loading performance of a thin coal shearer drum affects the mining
efficiency in thin seam mining seriously on account of the restriction by the complicated …

Influence of the drum position parameters and the ranging arm thickness on the coal loading performance

K Gao, C Du, J Dong, Q Zeng - Minerals, 2015 - mdpi.com
The poor coal loading performance of a shearer drum primarily restricts the widespread
application of the shearer and affects the mining efficiency in thin seam mining. The coal …

Parameters analysis of shearer drum loading performance

S Liu, C Du, J Zhang, H Jiang - Mining Science and Technology (China), 2011 - Elsevier
Three drums with different helical angles (15°, 20°, and 25°) were developed to investigate
improved loading performance of the shearer drum. Nine trials were performed at different …

Factors affecting thin coal seam shearer drum coal-loading performance by a model test method

K Gao, W Xu, S Jiang, C Du - Journal of Central South University, 2019 - Springer
To solve the problem of a low coal-loading rate being exhibited by the drum shearer on
Chinese thin coal seams, systematic tests and research were performed to study the pivotal …

Model test of helical angle effect on coal loading performance of shear drum

G Kuidong, D Changlong, L Songyong, F Lin - International Journal of …, 2012 - Elsevier
The work presented in this paper focuses on improving coal loading performance of shear
drum. Employing the similarity theory, we carried out a dimensional analysis of the …