ALGORITHM FOR OPTIMIZING THE HYDRAULIC CYLINDER PLACEMENT FOR MULTI-SCISSOR LIFT PLATFORMS

Cornel CIUPAN, Emilia CIUPAN, Mihai CIUPAN

Abstract


There are many applications that use scissor-type mechanisms for lifting platforms or robots. The platform stroke is greatly amplified compared to the actuator stroke, which is why the driving force is much greater than the load. The size of the drive system is chosen based on the maximum force and therefore it is important that this is minimized. The paper analyzes the influence of the actuator placement, in order to reduce the forces and optimize the drive system. The optimization algorithm can be applied to platforms with two or more scissors and consists of the following steps: determining the dimensions and number of scissors, kinematic analysis to determine the actuator motion law, and finally optimizing the actuator connection points.


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References


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