Focus on hydraulic pressure fluctuations in traditional accumulators during energy storage and release,a spring-based constant pressure accumulator is proposed.The operational principle of the accumulator is analyzed,with the profile curve equation for the critical component derived and solved.Key parameters for an accumulator in a specific hydraulic system are designed.A simulation model is constructed in ADAMS software to test the performance of the accumulator under varying flow conditions.It achieved a force deviation below 1％during stable operation,serving as a reference for the design of hydraulic energy storage systems.
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