【摘要】 设计一种新型板状阀芯旋转式四通换向阀,介绍其工作原理和阀口特征,对该液压转阀的静态特性、受力情况和频响特性进行详细分析。研究结果表明:该液压转阀结构新颖,轴向液动力小,过流面积和旋转阀芯角位移严格呈正比,线性度好,增益恒定;调整合适的阻尼系数可以兼顾转阀工作的稳定性和快速性。更多还原

【Abstract】 A new rotary reversing valve with plate spool was designed. Based on it’s working principle and unique orifice structure,static characteristics,stress conditions and frequency response characteristics were analyzed. The results indicate that axial hydrodynamic force of the rotary valve with unique structure is very small. Besides,flowing area and rotating displacement are strictly positive with good linearity and constant gain. So as to guarantee stability and rapidity of the rotary valve,suitable damping coefficient is adjusted.更多还原