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- W2383251014 abstract "A mast,an important supporting and loading component of rotary drilling machines,plays a crucial role in working performance and construction safety.Being taken mast of rotary drilling rig as a research object,based on mechanics analysis of mast under hoisting and drilling conditions,a finite element model of mast was established by using finite element software.Structural strength and stiffness under the two typical working conditions were calculated respectively.The stress contour plots and displacement contour plots of mast were generated.Support in mast cylinder,contact area between sheave cathead and upper mast and support in pull-down cylinder belongs to the stress concentration regions and the maximum deformation occurs in the position of sheave cathead,providing reference for designing and improvement.Natural frequencies and vibration modes were achieved by modal analysis,which shows that the resonance viberation would not occur.In order to validate the rationality of the results got by finite element analysis,stress test on mast was conducted.The results indicate that the finite element results have a good agreement with the test results." @default.
- W2383251014 created "2016-06-24" @default.
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- W2383251014 date "2013-01-01" @default.
- W2383251014 modified "2023-09-24" @default.
- W2383251014 title "Finite element analysis and test on drilling mast of rotary drilling rig" @default.
- W2383251014 hasPublicationYear "2013" @default.
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