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《China Mechanical Engineering》 2016-01
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Research on Telescopic Time-variation Dynamic Characteristics of Box-type Boom

Zeng Weidong;Peng Jing;Ren Huili;Fu Ling;Liu Yanbin;Zoomlion Heavy Industry Science and Technology Co.Ltd.;State Key Laboratory of Key Technologies on Construction Machinery;  
Based on the HHT(Hilber-Hughes-Taylor)implicit time integration method,a nonlinear dynamics analysis model of a crane with a friction effect was built,and the nonlinear time-variation dynamic characteristics of box-type boom were studied.The effects of friction between the boom and sliders,the elastic stiffness and damping characteristics of the telescopic oil cylinder,and the stiffness of the crane boom on vibration of telescopic crane boom were analyzed.In view of some problems about vibration of telescopic crane boom,the effective improvement measures were proposed.
【Fund】: 国家高技术研究发展计划(863计划)资助项目(2013AA040203)
【CateGory Index】: TH21
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