锻压技术

锻造操作机近恒力输出夹持机构的传力比研究

英文标题：Research on force transmission ratio of constant force output clamping mechanism for forging manipulator

作者：何天杰1 刘艳妍1 高俊峰2

单位：（1.兰州交通大学机电工程学院甘肃兰州 730070 2.兰州兰石能源装备工程研究院有限公司甘肃兰州 730050）

分类号：TG315

出版年,卷(期):页码：2018,43(5):0-0

摘要：

针对被夹持锻件的典型类型，分析了锻造操作机夹持机构的性能要求，明确了夹持机构近恒力输出的必要性。根据锻造操作机夹持机构的结构特点，分析了夹持机构的传力比，确定了影响夹持机构传力比的关键因素，研究了夹持机构结构参数的确定思路。以锻造操作机夹持机构的最大回转半径为依据，结合夹持机构的结构参数，提出了一种能够实现近恒力输出的操作机夹持机构传力比的确定方法，为操作机近恒力输出夹持机构传力比的确定提供理论依据。以300 kN操作机夹持机构为例，验证了研究思路的可行性，并分析了提升夹持机构夹持性能的思路，为近恒力输出夹持机构的设计提供了参考。

Aiming at the typical types of clamping forgings, the performance requirements of clamping mechanism for forging manipulator were analyzed, and the necessity of constant force output of clamping mechanism was clarified.According to the structural characteristics of clamping mechanism for forging manipulator, the force transmission ratio of clamping mechanism was analyzed, and the key factors affecting the force transmission ratio of clamping mechanism were determined, and the determination method of structural parameters of clamping mechanism was studied.Taking the maximum radius of gyration of clamping mechanism for forging manipulator as the basis and combining with the structural parameters of clamping mechanism, a determination method of force transmission ratio of manipulator clamping mechanism was presented,which could realize the constant force output and provide a theoretical basis for the determination of force transmission ratio of the constant force output clamping mechanism.Taking the clamping mechanism for 300 kN manipulator as an example, the feasibility of research idea was verified, and the idea of improving the clamping performance of clamping mechanism was analyzed, which provided a reference for the design of constant force output clamping mechanism.

基金项目：

国家自然科学基金资助项目(51265022)

作者简介：何天杰（1992-），男，硕士研究生 Email：1738942587@qq.com 通讯作者：刘艳妍（1964-），女，学士，教授 Email:liuyy@mail.lzjtu.cn

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