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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 1    March 1995

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THEORETICAL ANALYSIS AND DESIGN/CALCULATION FORMULAE FOR HYDRAULIC IMPACT MECHANISM THEORETICAL ANALYSIS AND DESIGN /CALCULATION FORMULAE FOR HYDRAULIC IMPACT MECHANISM
He Qinghua

Department of Mechanical Engineering  Central South University of Technology  Changsha 410083

Abstract:The period of the piston motion of hydraulic impact mechanism was divided into three stages.and a non-dimensional parameter-the accelaration ratio β was also generalized. And then a series of formulae describing the mechanics and the kinetics of the piston were derived, which Provided a new approach for designing and studying the hydraulic mechanism and new theoretical bases for further research.

 

Key words: hydraulic impact mechanism acceleration ratio unretrieved oil

ISSN 1672-7029
CN 43-1423/U

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