无阀控液压冲击系统改进设计方案及仿真分析

doi:10.16182/j.issn1004731x.joss.201707011

系统仿真学报 ›› 2017, Vol. 29 ›› Issue (7): 1472-1480.doi: 10.16182/j.issn1004731x.joss.201707011

无阀控液压冲击系统改进设计方案及仿真分析

刘忠^1,2, 邹宇², 张凯², 赵飞³, 刘军军³

1. 桂林航天工业学院机械工程学院,广西桂林 541004;
2. 中国矿业大学机电工程学院,江苏徐州 221116;
3. 常熟理工学院机械工程学院,江苏苏州 215500

收稿日期:2015-08-31 发布日期:2020-06-01
作者简介:刘忠(1968-),男,湖南长沙,博士,教授,研究方向为工程装备设计、机电液动力系统集成与控制技术、流体系统仿真与优化。
基金资助:
国家自然科学基金(51275060),苏州市科技计划(SYG201325)

Improved Design Scheme and Simulation Analysis of Non-valve Controlled Hydraulic Impact System

Liu Zhong^1,2, Zou Yu², Zhang Kai², Zhao Fei³, Liu Junjun³

1. School of Mechanical Engineering, Guilin University Of Aerospace Technology, Guilin 541004, China;
2. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221116, China;
3. School of Mechanical Engineering, Changshu Institute of Technology, Suzhou 215500, China

Received:2015-08-31 Published:2020-06-01

摘要/Abstract

摘要： 针对阀控式液压冲击系统的换向过程的能量损失缺陷,提出了一种无阀控液压冲击系统结构原理,建立了其动力学方程,利用AMESim软件进行了仿真分析。根据仿真结果与设计目标的误差,提出采用增加节流装置和控制进、出油路两种方案。仿真结果表明,采用增加节流装置时且节流孔径为6.5 mm时,其工作效率由11.8%提高到18.3%;采用控制进、出油路方案,其工作效率由11.8%提高到26.4%,冲击系统改善效果明显,达到了预期设计目标,该研究为液压冲击系统的设计和理论研究提供了技术参考。

关键词: 无阀控液压冲击系统, 改进设计, 节流装置, 双油路, 仿真

Abstract: Due to valve port commutation of traditional hydraulic impact system caused valve leakage. For the above shortcomings, an improved structure principle of the new type of non-valve controlled hydraulic impact system was proposed establishing dynamic equations of impact system andconducting simulation analysis based on AMESim. Due to the simulation results which was inconsistent with design goal, two improvement schemes were proposed adding throttle device and controlling inlet and outlet circuit. The simulation results suggest that the working performance of impact system has been improved by adding throttle device, and its efficiency has been increased from 11.8% to 18.3% when the diameter of orifice is 6.5mm; its efficiency has been increased from 11.8% to 26.4% by controlling inlet and outlet circuit, the improving effect is very significant, and it achieves the expected design goals. The study of the improved design scheme of non-valve controlled hydraulic impact system provides technical reference for the design and theoretical research of hydraulic impact system.

Key words: non-valve controlled hydraulic impact system, improved design, throttle device, double-circuit, simulation

中图分类号:

刘忠, 邹宇, 张凯, 赵飞, 刘军军. 无阀控液压冲击系统改进设计方案及仿真分析[J]. 系统仿真学报, 2017, 29(7): 1472-1480.

Liu Zhong, Zou Yu, Zhang Kai, Zhao Fei, Liu Junjun. Improved Design Scheme and Simulation Analysis of Non-valve Controlled Hydraulic Impact System[J]. Journal of System Simulation, 2017, 29(7): 1472-1480.

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无阀控液压冲击系统改进设计方案及仿真分析

Improved Design Scheme and Simulation Analysis of Non-valve Controlled Hydraulic Impact System

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