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Journal of Applied Sciences
Year: 2013  |  Volume: 13  |  Issue: 8  |  Page No.: 1346 - 1351

Design and Simulation Optimization of Full Hydraulic Chuck

Bo Li, Tengfei Ding, Xiling Wang and Zhang Qi    

Abstract: Rock fragmentation process by drilling rig is accomplished by the simultaneous effects of drill pipe rotation and axial downwards motions. Hydraulic chuck transfers engine power to drill pipe during the drilling and sampling process suchthatit’s one of the most important components of drilling rig. Chuck available on the market, design is not considered clamping force and drilling capacity matching, resulting in slipped drill, injury drill or chuck destruction. This study designs a maximum clamping diameter 73 mm hydraulic chuck, focuses on the interaction mechanism of the gripper slips and drill pipe. A model to simulate and optimize the clamp mechanism and slips has been developed by the finite element analysis method, conclude the structure of the optimal size of the hydraulic chuck. This research may be a better suggestion on resolving the problems of pipe damage and slipping down. The study method would also be a reference for the design of other kinds of chucks. A model to simulate and optimize rainwater-harvesting systems for irrigation has been developed.

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