Research on the Special Electrohydraulic Valve for Hydro-viscous Drive

机译：液压传动专用电液阀的研究

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In this paper, the principle and structure of Hydro-viscous Drive (HVD) set — the newly developed soft start-up transmission equipment — is introduced. Through theoretical analysis of the HVD set start-up steadiness, the authors come to the conclusion that the non-linearity of the pressure performance curve and dynamic pressure instability of the pilot-operated electro-hydraulic pressure relief valve , which is used for the HVD speed regulating purpose and usually works within micro flow-rate and low oil pressure state, are the main causes of the poor start-up steadiness. So a special electrohydraulic speed regulating valve for HVD set is developed, with which the start-up steadiness of HVD set is much improved.

机译：在本文中，介绍了最新开发的软启动变速箱设备-液压驱动装置（HVD）的原理和结构。通过对HVD装置启动稳定性的理论分析，得出结论：用于HVD的先导式电动液压溢流阀的压力性能曲线非线性和动压力不稳定性调速的目的，通常在微流量和低油压状态下工作，是启动稳定性差的主要原因。因此，研制了一种专用于HVD机组的电动液压调速阀，大大提高了HVD机组的启动稳定性。

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来源
《International Conference on Fluid Power Transmission and Control(ICFP' 2005); 20050405-08; Hangzhou(CN)》|2005年|P.2.1-2.4|共4页
会议地点 Hangzhou(CN)
作者
CHEN Ning; WEI Jianhua; HUANG Qi; QIU Minxiu; SI Zhongzhi;
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作者单位

Dept. of Mechanical and Electrical Engineering, Zhejiang University of Science and Technology, Hangzhou, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类液压传动;工程流体力学;
关键词
HVD; oil film; special electrohydraulic valve; soft start-up; start-up steadiness;

机译：HVD;油膜;特殊电动液压阀;软启动;启动稳定;

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Research on the Special Electrohydraulic Valve for Hydro-viscous Drive

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