Abstract
In the fully mechanized coalmining face, all the main hydraulic supports have the four-bar connecting rod. The design of the four-link mechanism is an important part of the modern hydraulic support design. This paper has analyzed the hydraulic supports four-bar connecting rod design process according to the deflective mount of the top beam. Simplified support model has written kinematic and mechanical equations of the four-bar type hydraulic support. This paper has proposed a method which can design the four connecting rod of hydraulic support based on matlab and solve nonlinear equations of kinematics, and has compiled into a visual computing program. Gives an example of the design requirements, applying this procedure design and calculation parameters of the hydraulic support, and using the AutoCAD drawing to verify results, calculation results are correct. The program improves efficiency of the hydraulic support design. The application of this procedure can be repeated, variables are modified until getting a satisfactory design results.
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