• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2019, Vol. 55 ›› Issue (1): 25-31.doi: 10.3901/JME.2019.01.025

• 机械动力学 • 上一篇    下一篇

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全域恒平衡并联机构构型设计与平衡特性分析

赵延治1,2, 梁博文1,2, 边辉1,2, 杨伟1,2, 赵铁石1,2   

  1. 1. 燕山大学河北省并联机器人与机电系统重点实验室 秦皇岛 066004;
    2. 先进锻压成形技术与科学教育部重点实验室(燕山大学) 秦皇岛 066004
  • 收稿日期:2018-01-06 修回日期:2018-11-28 出版日期:2019-01-05 发布日期:2019-01-05
  • 作者简介:赵延治,男,1981年出生,博士,教授。主要研究方向为并联多维力传感器、并联机构学理论与应用。E-mail:yzzhao@ysu.edu.cn
  • 基金资助:
    国家重点研发计划(2017YFE0112200)、河北省自然科学基金(E2018203436)、河北省高等学校科学技术研究(ZD2018024)和中国博士后科学基金(2016M590212)资助项目。

Design of Global Constant Balance Parallel Mechanism and Its Balance Performance Analysis

ZHAO Yanzhi1,2, LIANG Bowen1,2, BIAN Hui1,2, YANG Wei1,2, ZHAO Tieshi1,2   

  1. 1. Hebei Provincial Key Laboratory of Parallel Robot and Mechatronic System, Yanshan University, Qinhuangdao 066004;
    2. Key Laboratory of Advanced Forging & Stamping Technology and Science(Yanshan University), Ministry of Education of China, Qinhuangdao 066004
  • Received:2018-01-06 Revised:2018-11-28 Online:2019-01-05 Published:2019-01-05

摘要: 提出一类全域恒平衡并联机构构型,该机构由内外双层并联机构组成,其中内层平衡机构具有雅可比矩阵恒定的特性,在工作空间任意位姿下无须实时控制输入力的大小和方向即可提供恒定的平衡力。利用虚设机构法和影响系数法建立这类机构的动力学模型,以3-PUU/3-PRRR机构为例,分析验证了3-PRRR平衡机构相比与配重法所具有的优势。3-PUU/3-PRRR并联机构能够在整个工作空间,即全域内的任意位姿下实现恒定的平衡特性,论证了提出的这类全域恒平衡并联机构具有优良的平衡特性。

关键词: 薄壁曲面构件, 流体压力成形, 起皱, 塑性失稳, 动力学, 平衡特性, 全域恒平衡

Abstract: A type of global constant balance parallel mechanism which is consisted by inter-outer layer parallel mechanism is proposed. The global constant balance performance of this kind of parallel mechanism can be achieved by just keeping the magnitude and direction of input force of inner balance mechanism because its Jacobian matrix is constant. Based on the influence coefficient method, the dynamics model of this kind of mechanism is established. With 3-PUU/3-PRRR parallel mechanism taken as an example, the advantages of 3-PRRR parallel mechanism as balance mechanism have been proved by compared with counterweight law. It is proved that the global constant balance parallel mechanism has excellent balance performance.

Key words: balance performance, dynamics, global constant balance

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