Experimental Evaluation of the Effect of Accumulator Location on Hydraulic Shock Damping

Document Type : Original Article

Authors

Egyptian Armed Forces, Egypt.

Abstract

One of the challenges in any hydraulic power circuit is the arrangement of the components to utilize significant reliability. This challenge becomes harder with complex circuits or cyclic operation load. The hydraulic circuit of the concrete pump with the s-plane tube is a typical example of a circuit with cyclic operation actuator with high inertia load. This paper investigates experimentally the effect of accumulator location on damping the shock born from cycling operation of an actuator with an inertia load. The investigated circuit mimics the operation of a concrete pump or any system with inertia load. Several locations of accumulator near load and near pump were investigated to find the wave effect on the pump.
The results show that an accumulator location in the hydraulic system near the load will minimize the pressure waves that affect pump and cause its quick failure

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