A resonant dual-cavity hydraulic pulse testing machine

By designing a resonant dual-cavity hydraulic pulse testing machine, and utilizing an electric servo direct drive and pressure energy recovery booster mechanism, the problems of high energy consumption and low efficiency of existing hydraulic pulse testing equipment are solved, achieving high-efficiency energy utilization and high-precision testing, and improving testing efficiency and waveform quality.

CN122407644APending Publication Date: 2026-07-17CESS (NINGBO) IND TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CESS (NINGBO) IND TECH CO LTD
Filing Date
2026-06-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing hydraulic pulse testing equipment suffers from high energy consumption, significant energy waste, and limited testing efficiency. The industry urgently needs a new hydraulic pulse testing technology that boasts high energy utilization, high testing efficiency, and a simple structure.

Method used

The resonant dual-chamber hydraulic pulse testing machine uses an electric servo direct drive to replace the hydraulic pump for continuous operation, and utilizes a pressure energy recovery booster mechanism to circulate the pressure energy of the high-pressure oil between the two cylinders, thereby realizing the reverse linkage of the piston rod and the alternating output of high-pressure pulses.

Benefits of technology

The system reduces energy consumption by more than 50%, doubles test efficiency, provides high test waveform accuracy with no waveform attenuation, and has a fast response speed, enabling it to complete twice the number of pulse fatigue tests in the same amount of time.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122407644A_ABST
    Figure CN122407644A_ABST
Patent Text Reader

Abstract

本发明公开了一种谐振双腔液压脉冲试验机,属于液压脉冲试验设备技术领域。该试验机包括第一油缸和第二油缸,两个油缸通过第一油路和第二油路实现液压耦合联动:当第一活塞杆向左推动时,第一油路进油带动第二活塞杆向右推动;当第一活塞杆向右推动时,第二油路进油带动第二活塞杆向左推动,使得两活塞杆运动方向相反。驱动机构驱动第一活塞杆往复运动,通过油路的液压耦合带动第二活塞杆反向运动。两个油缸交替输出高压脉冲波形:当一侧油缸处于高压状态时,另一侧油缸处于低压状态;当程序控制高低压互换时,高压侧储存的压力能对活塞运动产生助推作用,将压力能充分利用。如此往复运动,两个油缸在每一周期内各输出一次有效脉冲,大大节省了能源,试验的效率提升了一倍。系统结构简单,运行稳定可靠。
Need to check novelty before this filing date? Find Prior Art