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插装式比例节流阀的动静态特性
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山东省重点研发计划(2015GGX103032)


Dynamic and Static Characteristics of Cartridge Proportional Throttle Valve
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    摘要:

    插装阀具有通流能力强、结构简单、低泄漏等优点,广泛应用于高压、大流量场合。设计NG25插装式电液比例节流阀,介绍阀的结构和工作原理,建立数学模型。在SimulationX软件环境中,建立阀的多学科模型,分析阀处于开环和电闭环两种工作模式下的动、静态特性。通过仿真分析不同参数对阀性能的影响,调节并优化结构参数。研究结果表明:该阀控制精度高,具有良好的动、静态性能,满足设计要求。

    Abstract:

    Cartridge valves have the advantages of large flow capacity, simple structure and low leakage, so it is widely used in hydraulic system with high pressure and large flow. A cartridge electrohydraulic proportional twoway throttle valve with the diameter of 25 mm was designed. The structure and working principle were introduced. A complete mathematical model was established based on the structure and working principle. Then the multidomain model of the valve was set up with SimulationX software. The static and dynamic characteristics were analyzed, while the valve was worked respectively in internal feedback and electrical closed loop control modes. By analyzing the effects of different parameters on the performance of the valve, the parameters were adjusted and optimized. It shows that this new valve can control flow precisely and be of good characteristics. The design requirement is satisfied.

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李国琳,李继财,张政梅,张进生.插装式比例节流阀的动静态特性[J].机床与液压,2019,47(22):86-89.
. Dynamic and Static Characteristics of Cartridge Proportional Throttle Valve[J]. Machine Tool & Hydraulics,2019,47(22):86-89

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  • 在线发布日期: 2020-03-12
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