Vibration Analysis of a Three-Drum Shearer for a Large Mining Height
A method of cutting coal with three drums was advanced, a three-drum shearer was designed, and the free mode and restrained model under prestress of the third drum were analyzed in large mining with ANSYS Workbench 14.0 to solve the damage problem of the cutting blade in a large mining face. The vib...
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Published in | Strength of materials Vol. 52; no. 1; pp. 160 - 170 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
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Springer US
2020
Springer Springer Nature B.V |
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Abstract | A method of cutting coal with three drums was advanced, a three-drum shearer was designed, and the free mode and restrained model under prestress of the third drum were analyzed in large mining with ANSYS Workbench 14.0 to solve the damage problem of the cutting blade in a large mining face. The vibration modes caused by its own structural characteristics are obtained, and the dynamic response of all parts of the shearer is studied with MATLAB R2016a software under given conditions and the change of the parameters. The overloads of the front drum give rise to larger vibration displacements that should be avoided in the operation of the shearer. The above approach is of importance to evolve the design concepts and improve cutting characteristics of the largeheight shearer, to provide theoretical backgrounds ensuring safe and reliable mining of superthick coal seams by the large-height shearer. |
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AbstractList | A method of cutting coal with three drums was advanced, a three-drum shearer was designed, and the free mode and restrained model under prestress of the third drum were analyzed in large mining with ANSYS Workbench 14.0 to solve the damage problem of the cutting blade in a large mining face. The vibration modes caused by its own structural characteristics are obtained, and the dynamic response of all parts of the shearer is studied with MATLAB R2016a software under given conditions and the change of the parameters. The overloads of the front drum give rise to larger vibration displacements that should be avoided in the operation of the shearer. The above approach is of importance to evolve the design concepts and improve cutting characteristics of the largeheight shearer, to provide theoretical backgrounds ensuring safe and reliable mining of superthick coal seams by the large-height shearer. |
Audience | Academic |
Author | Li, B. Q. Tian, Y. Wang, Y. Zhang, Q. |
Author_xml | – sequence: 1 givenname: Q. surname: Zhang fullname: Zhang, Q. organization: School of Mechanical Engineering, Liaoning Technical University, State Key Laboratory of Mineral Processing Science and Technology, Engineering Research Center of Coal Resources Safety Mining and Clean Utilization, Liaoning Technical University – sequence: 2 givenname: Y. surname: Wang fullname: Wang, Y. organization: School of Mechanical Engineering, Liaoning Technical University – sequence: 3 givenname: B. Q. surname: Li fullname: Li, B. Q. organization: School of Mechanical Engineering, Liaoning Technical University – sequence: 4 givenname: Y. surname: Tian fullname: Tian, Y. email: tianluoluo@sohu.com organization: College of Mechanical and Electronic Engineering, Shandong University of Science and Technology |
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Cites_doi | 10.1016/j.mechmachtheory.2010.12.003 10.1007/s11223-014-9545-7 10.1007/s11223-018-9976-7 10.1049/iet-smt.2016.0425 10.1016/j.inffus.2018.09.007 10.1109/ICCEE.2009.100 |
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SubjectTerms | Analysis Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Coal mines Cutting parameters Dynamic response Materials Science Mineral industry Mining Mining industry Prestressing Solid Mechanics Vibration analysis Vibration mode |
Title | Vibration Analysis of a Three-Drum Shearer for a Large Mining Height |
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