1) governor valve stem
调速阀杆
2) governor valve stem connection
调速阀杆接头
4) plunger adjustable type stem
可调阀杆
5) flow control valve
调速阀
1.
A flow control valve with pressure compensation using seawater as the working media was developed.
介绍了一种能直接以海水作为工作介质的液压调速阀,针对其泄漏和气蚀拉丝侵蚀严重、污染严重等问题,提出了相应的解决措施。
2.
We finished it by combination of the rude adjust with flow control valve and the accurate adjust with solenoid operated directional valve for drainage.
丰满发电厂溢洪坝液压启闭机闸门系统为双缸启闭,为防止闸门在门轨中卡滞,要求带动闸门启闭的两个油缸的同步偏差不超过30mm,为此,采用了调速阀粗调结合放油电磁阀精调的同步控制系统。
6) Speed control valve
调速阀
1.
Fault diagnosis of speed control valve using AR bispectrum;
基于AR双谱的调速阀故障诊断
2.
According to the differential pressure-electric-area compensating principle,the author adopts the construction of forerunner valve plus main valve to design a high-precision heavy-flow electric-hydraulic proportional speed control valve,which will overcome the disadvantages existed in now used heavy-flow electric-hydraulic proportional speed control valve.
针对现有大通径电液比例调速阀控制精度不高的不足 ,根据压差—电气—面积补偿原理 ,采用先导式阀体结构形式 ,设计了能对大流量进行精确控制的电液比例调速阀 ,测试并分析了新阀的性能。
3.
The comprehensive discussion and analysis about the speed control technology including speed control valve was presented.
对PVC型材加工机械的气动系统由于切削阻力变化引起刀具抖动的原因进行了理论分析,对采用调速阀的调速技术进行了充分的讨论与分析。
补充资料：调速阀的工作原理
如图所示,调速阀是进行了压力补偿的节流阀。它有定差减压阀和节流阀串联而成。节流阀前、后的压力p2和p3分别引到减压阀阀芯右、左两端，当负载压力p3增大，于是作用在减压阀芯左端的液压力增大，阀芯右移，减压口加大，压降减小，使p2也增大，从而使节流阀的压差（p2-p3）保持不变；反之亦然。这样就是调速阀的流量恒定不变（不受负载影响）。
上述调速阀是先减压后节流的结构。也可以设计成先节流后减压的结构。两者的工作原理基本相同。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条