Taking a kind of mechanical claw widely used in current coal-gangue sorting production line as the research object,ai-ming at the problems such as weak grasping of the mechanical claw for coal-gangue sorting,a 3D model of the mechanical claw was es-tablished.On the basis of mechanical analysis and calculation,the OPTDES-GRG algorithm module built in Adams software was used to optimize the mechanical claw,and the Workbenches stress analysis was carried out on the overall structure and the components with large force of the mechanical claw.The analysis results show that the strength of the mechanical claw after structural optimization meets the use requirements,and the mechanical properties have been significantly improved.
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