Volume 49 Issue 4
Apr.  2023
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Article Navigation >  Journal of Mine Automation  > 2023  >  49(4): 33-41
LI Fei, ZHANG Lin, SHANG Yuqi, et al. Research on key technologies of coal mine intelligent excavation[J]. Journal of Mine Automation，2023，49(4)：33-41.  doi: 10.13272/j.issn.1671-251x.2022100062
Citation: LI Fei, ZHANG Lin, SHANG Yuqi, et al. Research on key technologies of coal mine intelligent excavation[J]. Journal of Mine Automation，2023，49(4)：33-41.  doi: 10.13272/j.issn.1671-251x.2022100062
shu

Research on key technologies of coal mine intelligent excavation

doi: 10.13272/j.issn.1671-251x.2022100062
  • 1.

    Mining College of Guizhou University, Guiyang 550025, China

  • 2.

    Guizhou Coal Mine Design Research Institute Co., Ltd., Guiyang 550025, China

  • 3.

    Guizhou Mine Safety Scientific Research Institute Co., Ltd., Guiyang 550025, China

  • Received Date: 2022-10-19
  • Rev Recd Date: 2023-03-30
    • Available Online: 2023-04-27
    Abstract
  • This paper introduces the research results of the main coal mine roadway excavation technologies in recent years. The technologies include cantilever roadheader comprehensive excavation technology, continuous shearer tunneling technology, and integrated excavation technology. The applicability and promotion value of these three main roadway excavation technologies in China is analyzed. The following points are pointed out. ① The comprehensive excavation technology of the cantilever roadheader can only "excavate before anchoring". The excavation and support processes cannot be carried out simultaneously, which limits the excavation efficiency. ② The continuous shearer tunneling technology can only be carried out in near horizontal coal seam conditions. It has certain requirements for the stability of the roof. The applicability is weak. ③ The integrated excavation technology is only suitable for rapid excavation of single roadways with large cross-sections. The integrated excavation and anchoring machine used is large and expensive. The machine has certain requirements for the stability of the bottom plate of the excavated roadways. Compared to the continuous mining machine excavation technology, the integrated excavation technology has a good application prospect in China. Expanding the excavation function of the original roadheader to the function of excavation and support can promote the research and application of integrated excavation and anchoring technology. The study analyzes the research achievements of intelligent cutting, remote intelligent monitoring, and intelligent collaborative control in the robotized intelligent excavation technology of coal mine roadways in recent years. The following points are concluded. ① Intelligent cutting technology mainly focuses on the research of adaptive recognition of coal and rock. ② Remote intelligent monitoring technology has evolved from remote real-time monitoring to remote visual monitoring. The development of virtual simulation technology visualizes the situation of underground excavation roadways on the ground. And it feeds back control signals to the excavation working face to remotely synchronize and control the excavation working face roadheader unit. This becomes an important symbol of the current intelligent remote monitoring of roadway excavation. ③ There is currently limited research on intelligent collaborative control technology. This study explores the development directions of intelligent coal mine roadway excavation. The directions include strengthening the integration and collaboration of excavation equipment, modular combination of equipment, 5G mining wireless network equipment, remote intelligent monitoring system for excavation, and research on difficult and slow excavation roadway excavation engineering.

     

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