Design of Five-Axis Hydraulic Manipulator and Its Application in Down-the-Hole Drills
As the main mining equipment for borehole drilling in mines,down-the-hole drill mainly uses manually assembled drill pipe or thruster configured with drill pipe stand.Manually assembled drill pipe has high labor intensity and low productivity with great safety risks,whereas the thruster configured with drill pipe stand can only be applied to small-diameter drill pipes and the number of drilling holes cannot meet the requirements of large-diameter holes.This paper introduces the structure and design principle of a five-axis hydraulic manipulator that can be successfully equipped on down-the-hole drills.The five-axis hydraulic manipulator has solved some technical problems of traditional down-the-hole drills such as manual assembly of drill pipes and limited number of drill pipes.The field application also indicated that the product can successfully realize the unmanned operation of the whole working process at the stope.
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