Application of Ellipsograph-Mechanism in Pipe Auto-Handling Device and its Energy Consumption Computation

Abstract:

A design scheme of ellipsograph-mechanism-based pipe auto-handling device (PAD) in continental scientific drilling rig is presented. The working principle of ellipsograph and its characteristics are firstly analyzed to satisfy the requirements of the movement structure of the PAD. Then, the kinematics and dynamics analyses of the structure are conducted respectively to obtain the relationship among each key joints and the relationship between force and its kinematics parameters. Finally, for a certain behavior path, a computation formula of the theoretical consumed energy is developed, and the relationship between energy consumption and the boom length of the structure is acquired. An energy consumption law of the movement structure of PAD under the given condition is obtained. The method presented in this study provides a theoretical basis for the design of ellipsograph-mechanism based PAD, and the energy consumption computation can be applied to many other structures for minimizing their energy and force.

• Periodical: Applied Mechanics and Materials (Volumes 433-435)
• Pages: 76-81
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.433-435.76
• Online since: October 2013
• Authors: Xin Peng Hu, Yan Long Kui, Yan Liu, You Hong Sun, Ji Xin Wang, Ke Gao
• Keywords: Ellipsogragh Mechanism, Energy Consumption (EC), Pipe Auto-Handling Device

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