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The Research on Optimal Design and Dynamic Simulation for Driving Head of Valvelless Impact-Rotary Hydraulic Roofbolter

Author: JiJun
Tutor: YuanSiCong
School: Xi'an University of Architecture and Technology
Course: Mechanical and Electronic Engineering
Keywords: A rotary valve impact Hydraulic Roof Bolter Optimal design Digital modeling Dynamic Simulation
CLC: TD421.25
Type: Master's thesis
Year: 2007
Downloads: 410
Quote: 2
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Abstract


The hydraulic Roofbolter Geotechnical Anchorage Engineering critical equipment , has an important impact on the quality of the project . The ordinary Roofbolter does not apply to hard rock , thus affecting the the engineering applications Roofbolter range . The paper first analyzes of rocks and their characteristics , and impact drilling principle , the establishment of a power the head impact drilling system dynamics model , and wave dynamics analysis and hydraulic impact mechanism works valveless impact rotary hydraulic anchor rod rig power head design , whereby the power head structure design , and the use of genetic algorithms to optimize the design principles and MATLAB genetic algorithm toolbox GADS bolt rig power head rotation mechanism to optimize the design ; using 3D CAD software Pro / ENGINEER establish a rotating mechanism and valveless hydraulic shock bodies of the three-dimensional digital model ; designed power head hydraulic control system , and the use of on ADAMS / hydraulics modules to establish a power head hydraulic shock agencies of the hydraulic system virtual prototyping machine - fluid coupling of hydraulic the control system simulation, valveless hydraulic shock agencies working process parameters change . Finally, the in FEA software MSC.PATRAN and MSC.NASTRAN environment , ADAMS simulation to get the maximum impact force as valve hydraulic shock bodies shock piston boundary load conditions , finite element analysis of the impact of spline shaft , too a in maximum force moment of stress , strain change status . In this paper, the use of modern optimization design method , three-dimensional CAD software , multi-body system dynamics simulation analysis software and finite element analysis software on the power head rotary hydraulic valve impact Roofbolter optimized design and dynamic simulation , the impact of power for the hydraulic head mechanism provides an important reference design based on the ideas and methods used for similar study has some reference significance and reference value .

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CLC: > Industrial Technology > Mining Engineering > Mining machinery > Mining machinery > Underground mining machinery > Rock drill , drill rig > Drill
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