直驱式液压系统在轴流风机静叶调节中的应用研究（英文）
Aplication of DDVC hydraulic system in axia flow fan stator blade adjustment作者机构：College of Mechanical and Electrical Engineering Henan University of Science and Technology Luoyang 471003 China
出 版 物：《机床与液压》 (Machine Tool & Hydraulics)
年 卷 期：2016年第44卷第6期
页 面：12-17页
学科分类：08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术]
基 金：supported by National Natural Science Foundation of China Project No. 51175148
主 题：Axial flow fan Stator blade adjustment Servo motor DDVC
摘 要：The axial flow fan is a kind of turbomachinery equipment to provide compressed gas and the statorblade adjusting mechanism is the key to the whole system. Taking the stator blade adjustment electro-hydraulicservo system as the research object, the traditional hydraulic servo system is vulnerable to oil pollution, high fail-ure rate and low energy conversion efficiency. To solve the above-mentioned problems, the Direct drive volumecontrol hydraulic system for stator blade adjustment is designed, the hydraulic power source of the system is com-posed of servo motor and bidirectional quantitative pump. The working principle of this system is analyzed, thesimulation model of hydraulic system is built and solved. The results show that the new system has higher energyefficiency, the structure is more compact, the machine power is smaller and the control is more automatic and in-telligent as compared to the traditional one.
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