Abstract
The active utilization of the pressure rise phenomenon of an oil hammer and a new type of hydraulic pressure intensifier using an oil hammer were proposed and developed. In this research, an application of this intensifier to pressure intensification in a hydraulic cylinder of a construction machine is studied through experimentation and simulation.
High pressure is generated when the fluid flow through the pipeline is shut quickly by the solenoid operated valve at the downstream end. If the fluid is taken out through the check valve when the pressure is high, much higher-pressure fluid than the supply is obtained. A vessel is used as a model of a hydraulic cylinder without displacement. The pressure of the vessel is intensified. The necessary pressure level is thought to be around 3 OMPa. We develop a block diagram for the simulation considering the pipeline dynamics.
