一种小型化迷宫液压油箱设计与性能分析

doi:10.3901/JME.2021.24.083

机械工程学报 ›› 2021, Vol. 57 ›› Issue (24): 83-92.doi: 10.3901/JME.2021.24.083

• 特邀专栏：液压元件及系统轻量化关键技术 • 上一篇下一篇

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一种小型化迷宫液压油箱设计与性能分析

姚静^1,2, 刘翔宇¹, 李曼迪¹, 孔德才¹, 胡建军³

1. 燕山大学机械工程学院秦皇岛 066004;
2. 燕山大学河北省重型机械流体动力传输与控制实验室秦皇岛 066004;
3. 燕山大学河北省土木工程绿色建造与智能运维重点实验室秦皇岛 066004

收稿日期:2021-05-21 修回日期:2021-10-05 出版日期:2021-12-20 发布日期:2022-02-28
通讯作者: 李曼迪(通信作者),女,1993年出生,博士研究生。主要研究方向为流体传动与控制。E-mail:mandi_li@126.com
作者简介:姚静,女,1978年出生,博士,教授,博士研究生导师。主要研究方向为重型机械流体传动与控制系统和新型液压元件。E-mail:jyao@ysu.edu.cn
基金资助:
国家重点研发计划资助项目（2018YFB2000703）。

Design and Characteristic Analysis of Miniaturized Labyrinth Hydraulic Reservoir

YAO Jing^1,2, LIU Xiangyu¹, LI Mandi¹, KONG Decai¹, HU Jianjun³

1. School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004;
2. Hebei Province Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao 066004;
3. Hebei Province Key Laboratory of Green Construction and Intelligent Maintenance for Civil Engineering, Yanshan University, Qinhuangdao 066004

Received:2021-05-21 Revised:2021-10-05 Online:2021-12-20 Published:2022-02-28

摘要/Abstract

摘要： 油箱小型化是实现移动液压装备轻量化的迫切需求和有效手段。为提高小型化液压油箱除杂、除气和稳流的基本性能，给出一种小型化迷宫液压油箱结构并结合欧拉-欧拉模型和欧拉-拉格朗日模型等评价其基本性能。首先，阐述迷宫油箱的整体结构与功能区设计；其次，为达到最佳的除杂效果，通过数值模拟方法对迷宫油箱中的关键结构参数如油箱回油管深度和稳流区上壁面倾斜角度进行讨论分析；最终，基于气-液、固-液两相流和油液单相仿真结果给出迷宫油箱和传统油箱的除杂、除气和稳流性能对比。相较于传统油箱，在相同流量、体积且无过滤装置的前提下，小型化迷宫液压油箱除杂和除气性能提升显著，如对直径250 μm金属颗粒的去除效率达到89%，对直径500 μm气泡的去除效率达到68%。此外，迷宫油箱对稳流性能有很大提升，但在液压系统启动时存在短暂自由液面波动情况。小型化迷宫液压油箱的建模和性能分析为油箱小型化设计和性能提升提供理论指导。

关键词: 小型化油箱, 迷宫液压油箱, 污染物去除, 数值模拟

Abstract: Hydraulic reservoir miniaturization is demanding and effective for mobile hydraulic equipment lightweight. To improve miniaturized hydraulic reservoir purification and stabilization ability, a miniaturized labyrinth hydraulic reservoir is proposed. Euler-Euler and Euler-Lagrange multiphase models, etc. are used to evaluate its basic properties. Firstly, the reservoir structure and its function area design are introduced. Next, numerical simulation is utilized to analyze the reservoir crucial structure parameters,i.e. reservoir return pipe depth and stabilization area upper wall slant angle, to get better purification effect. Finally, the properties comparison of the labyrinth reservoir and traditional single-baffle hydraulic reservoir is obtained combining gas-oil, solid-oil two phases and oil single phase flow by simulation results. The labyrinth reservoir is highly effective on the purification of particles and air compared to traditional single-baffle hydraulic reservoir in the same flow rate, volume and without filter equipment working conditions. The purification efficiency on 250 μm diameter metal particles and 500 μm diameter air bubbles reach 89% and 68% respectively by the labyrinth reservoir. Besides, the reservoir has significantly improved oil steady performance but there is a short free surface fluctuation in the reservoir when the hydraulic system starts to work. The modeling and properties analysis of miniaturized labyrinth hydraulic reservoir provide a theory guide on the design and properties improvement of miniaturized hydraulic reservoir.

Key words: miniaturized reservoir, labyrinth hydraulic reservoir, contaminants purification, numerical simulation

中图分类号:

TH137

姚静, 刘翔宇, 李曼迪, 孔德才, 胡建军. 一种小型化迷宫液压油箱设计与性能分析[J]. 机械工程学报, 2021, 57(24): 83-92.

YAO Jing, LIU Xiangyu, LI Mandi, KONG Decai, HU Jianjun. Design and Characteristic Analysis of Miniaturized Labyrinth Hydraulic Reservoir[J]. Journal of Mechanical Engineering, 2021, 57(24): 83-92.

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一种小型化迷宫液压油箱设计与性能分析

Design and Characteristic Analysis of Miniaturized Labyrinth Hydraulic Reservoir

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