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《Coal Science and Technology》 2014-01
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Study on Inherent Vibration Features of Cutting Gearbox Casing Applied on Boom Type Roadheader

HAN Bin-hui;SUN Da-gang;FENG Jia-peng;LI Zhan-long;QIN Guo-qiang;School of Mechanical Engineering,Taiyuan University of Science and Technology;Taiyuan Research Institute Company Limited,China Coal Technology and Engineering Group;  
In order to improve the anti- vibration capacity of the cutting gearbox casing applied on the boom type roadheader,a finite element method and a model experiment were applied to study the casing model. Taking a cutting gearbox of a roadheader as an example,the Solidworks was applied to establish a 3D model of the gearbox casing. Then the 3D model was applied to the Workbench for the analysis on the pre- stressed restriction model. The casing inherent frequency and vibration mode of the former 6 stage were solved. Meanwhile a model experiment was conducted on the gearbox casing. The results showed that the gearing frequency of the gear was obviously lower than the inherent frequency of the casing,and the resonance occurred was avoided. The results of the finite element method and the model experiment were well fitted.
【Fund】: 国家高技术研究发展计划(863计划)资助项目(2012AA06A405);; 山西省回国留学生人员科研资助项目(2012-073);; 天地科技股份有限公司创新基金资助项目(KJ-3-SXMJ-05)
【CateGory Index】: TD421.5
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