水液压节流阀精细调节阀口设计与仿真分析

doi:10.11832/j.issn.1000-4858.2021.10.003

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液压与气动 ›› 2021, Vol. 45 ›› Issue (10) : 16-19. DOI: 10.11832/j.issn.1000-4858.2021.10.003

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理论研究

水液压节流阀精细调节阀口设计与仿真分析

张增猛, 杨勇, 王旭, 侯交义, 弓永军

作者信息 +

Design and Simulation Analysis of Water Hydraulic Throttle Port Used for Fine Adjustment

ZHANG Zeng-meng, YANG Yong, WANG Xu, HOU Jiao-yi, GONG Yong-jun

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文章历史 +

摘要

传统水液压节流阀阀口形式多为球阀式和锥阀式,具有良好的阀口密封性,但其存在着流量分辨率低和阀口特性线性度差等缺点。设计了一种新的非全周开口滑阀阀芯,其阀口形式由该非全周开口滑阀阀芯和空心圆柱阀套构成,具有阀芯行程大的特点。该研究进行了CFD仿真分析,结果显示,非全周开口的阀口形式保证了高线性度的阀口特性,阀芯行程的增大提高了阀口的流量分辨率,该阀口形式能够适应水液压传动系统高精度控制的应用需求。

Abstract

The traditional water hydraulic throttle valve port type is mostly ball valve type and cone valve type, which has good valve port sealing, but it has the disadvantages of low flow resolution and poor linearity of valve port characteristics. In response to this problem, a new non-full-circumference spool valve core is designed. Its valve port form is composed of the non-full-circumference spool valve core and a hollow cylindrical valve sleeve, which has the characteristics of large spool stroke. A computational fluid dynamics (CFD) simulation analysis on the valve port form is established. The results show that these notches ensure high linearity of the valve port characteristics, and the large spool stroke increases the flow resolution. The valve port form can meet the application requirements of high-precision control of the water hydraulic transmission system.

导出引用

张增猛, 杨勇, 王旭, 侯交义, 弓永军. 水液压节流阀精细调节阀口设计与仿真分析[J]. 液压与气动, 2021, 45(10): 16-19 https://doi.org/10.11832/j.issn.1000-4858.2021.10.003

ZHANG Zeng-meng, YANG Yong, WANG Xu, HOU Jiao-yi, GONG Yong-jun. Design and Simulation Analysis of Water Hydraulic Throttle Port Used for Fine Adjustment[J]. Chinese Hydraulics & Pneumatics, 2021, 45(10): 16-19 https://doi.org/10.11832/j.issn.1000-4858.2021.10.003

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