Characteristics of hydraulic control system for using driving the composite connecting rod mechanism rolling

被引：0
|
作者：
Ma, Li-Feng [1 ,2 ]
Huang, Qing-Xue [1 ]
Han, He-Yong [1 ]
Chu, Zhi-Bing [1 ]
Li, Zhi-Gang [2 ]
机构：
[1] Heavy Machinery Engineering Research Center of Ministry of Education, Taiyuan University of Science and Technology, Taiyuan 030024, China
[2] Superplastic and Plastic Research Institute, Jilin University, Changchun 130025, China
来源：
Beijing Gongye Daxue Xuebao/Journal of Beijing University of Technology | 2012年 / 38卷 / 11期
关键词：
Pneumatic control equipment - Crankshafts - Connecting rods - Digital storage - Mechanical actuators - Engine cylinders - Control systems;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Because of the present problems such as complex mechanical rolling shear mechanism with crankshaft connecting rod, heavy weight of device and high cost, a composite rod shear with the PR-8R-PR II-level groups driven by hydraulic cylinder was designed. Through the establishment of composite linkage position loop equation, moment balance equation, hydraulic control system model, the locus curve of component and the displacement of hydraulic driver element, the parameters of dual-chamber balance force and the transfer function of hydraulic control system, were calculated. Theoretical and experimental results show that the hydraulic servo control system model can meet the feature requirements of recapitulation rolling track of linkage, and the structure design of such mechanism and its comprehensive analytical data are feasible. Meanwhile, the hydraulic servo control system has strong robustness and self-adaptability, which can achieve higher compensation precision under complex and harsh conditions, and the method of asymmetrically-controlled valve to control asymmetrically-controlled cylinder can effectively solve the reversing impact of the shear mechanism to drive hydraulic cylinder.
引用
收藏
页码：1601 / 1607
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