CUI Yao，WANG Jun，ZHAO Xu，et al. Design and application of automatic cable dragging system for shearer[J]. Coal Science and Technology，2023，51（S2）：268−274
. DOI: 10.12438/cst.2022-1786| Citation: |
CUI Yao，WANG Jun，ZHAO Xu，et al. Design and application of automatic cable dragging system for shearer[J]. Coal Science and Technology，2023，51（S2）：268−274 . DOI: 10.12438/cst.2022-1786
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In order to meet the unmanned needs of thin coal seam fully mechanized mining faces and address the issue of requiring dedicated personnel to monitor the cables of existing coal mining machines, an automatic cable dragging system for coal mining machines has been designed, The system has a rated power of 15 kW, a maximum length of 400m for the working face, and is suitable for a maximum speed of 30 m/min, This article focuses on the overall design, parameter design, and adaptation design of the automatic cable dragging system for coal mining machines, It elaborates in detail on four key technologies: the design of the cable chain transmission system based on dynamic simulation analysis, the track floating alignment technology suitable for complex working faces, the self adaptive control technology based on speed and torque, and the fast cable disassembly and assembly technology. The system design, mechanical structure, control strategy, fault protection, and other difficulties have been solved, It solves the problems of system design, mechanical structure, control strategy, and fault protection, and achieves that the cable clamp is always in a slightly tensioned state, Engineering application was carried out in the 14301 working face of Zhangjiamao Coal Mine, achieving adaptive and normalized operation of the entire working face, with a follow-up rate of 94.7%, The system has a reasonable structure, high reliability, convenient disassembly and maintenance, and can be retrofitted on existing working faces, It has strong scalability and promotes the progress of unmanned mining technology in thin coal seams.
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