拖拉机多路阀节流槽动态特性研究与试验

杨俊茹; 于小东; 李瑞川; 徐继康; 韩宗冉; 李艳超

doi:10.13733/j.jcam.issn.2095-5553.2024.08.019

拖拉机多路阀节流槽动态特性研究与试验

杨俊茹^1,2,
于小东¹,
李瑞川^1,3,
徐继康^1,2,,
韩宗冉¹,
李艳超^1,2

1. 山东科技大学机械电子工程学院;
2. 日照海卓液压有限公司;
3. 齐鲁工业大学

基金项目:

山东省重点研发计划项目(2021CXGC010812,2021TSGC1419,2022CXGC020702)

详细信息

作者简介:
杨俊茹,女,1969年生,河北乐亭人,博士,教授,硕导,研究方向为新型涂覆层材料结构件设计及分析。E-mail:jryangzhang@163.com

通讯作者:
徐继康,男,1990年生,青岛人,博士,研究方向为阀门控制系统、系统集成与制造等。E-mail:xujikang121@163.com

中图分类号: S219
计量
- 文章访问数: 5
- HTML全文浏览量: 0
- PDF下载量: 0
出版历程
- 收稿日期: 2023-02-12
- 刊出日期: 2024-08-14

Research and experiment on dynamic characteristics of tractor multi-way valve throttling groove

1. College of Mechanical and Electronic Engineering, Shandong University of Science and Technology;
2. Rizhao Haidro Hydraulic Co., Ltd;
3. Qilu University of Technology

摘要

摘要: 为优化部分拖拉机多路阀流量特性、减小压差等问题，设计一种具有U-半圆形节流槽结构的拖拉机多路阀，通过仿真试验研究U-半圆形节流槽拖拉机多路阀的动态特性。结果表明：U-半圆形节流槽出口流量呈现先小后大再小的特点。多路阀出口稳态流量为113 L/min，流量变化稳定无冲击，控制特性好。制定U-半圆形节流槽拖拉机多路阀试验方案，通过试验得出阀口压差随着阀芯位移的增大而减小，阀口最小压差为1.2 MPa；测得多路阀最大泄漏量为10.5 mL/min，满足泄漏指标。从而验证U-半圆形节流槽多路阀流量变化稳定，内泄漏量小。
- 拖拉机 /
- 多路阀 /
- U-半圆形节流槽 /
- 动态特性 /
- 泄漏量
Abstract: In order to solve the problems of large leakage and large vortex area of some tractor multi-way valves, a tractor multi-way valve with U-semi-circular throttle groove is designed, and the dynamic characteristics of U-semicircular throttle trough tractor multi-way valve are studied through simulation experiments. The results showed that the outlet flow of U-semicircular throttle valve showed the characteristics of slow first, then fast and then slow. The steady-state flow rate of the outlet of the multi-way valve was 113 L/min, the flow change was stable without shock, and the control characteristics were good. The test scheme of U-semicircular throttle groove tractor multi-way valve was formulated, and it was concluded that the pressure difference at the valve port decreased with the increase of the displacement of the valve core, and the minimum pressure difference at the valve port was 1. 2 MPa. The maximum leakage of the multi-way valve was 10. 5 mL/min, which met the leakage index. Therefore, it was verified that the flow change of the U-semicircular throttle channel multi-way valve was stable and the internal leakage was small.
- tractor /
- multi-way valve /
- U-semicircular throttling groove /
- dynamic characteristics /
- leakage

HTML全文

参考文献(15)

[1]	Li C, Liu X, Wang X, et al. Optimization of multi-way valve structure in digital hydraulic system of loader[J].Energies, 2021, 14(3):700.
[2]	张友杰. U形节流槽阀口流量特性的研究[J].九江学院学报(自然科学版),2021, 36(1):38-42. Zhang Youjie. Study on the flow properties of the U-shaped notch throttle orifice in spool valve[J]. Journal of Jiujiang University(Natural Sciences), 2021, 36(1):38-42.
[3]	丰章俊.插装式二维大流量电液伺服阀的动态特性研究[J].液压气动与密封,2022, 42(7):63-70. Feng Zhangjun. Research on dynamic characteristics of plug-in two-dimensional large flow electro-hydraulic servo valve[J].Hydraulics Pneumatics&Seals, 2022, 42(7):63-70.
[4]	马鹏鹏,邱楚然,孙志远.基于AMESim装载机用多路阀阀口优化[J].建设机械技术与管理,2022, 35(1):93-95. Ma Pengpeng, Qiu Churan, Sun Zhiyuan. Optimizationof multi way valve stem for loader based on AMESim[J].Construction Machinery Technology&Management,2022, 35(1):93-95.
[5]	王佳怡,刘昕晖,王展,等.基于AMESim的恒流量控制阀流量特性分析[J].吉林大学学报(工学版),2023(9):2499-2507. Wang Jiayi, Liu Xinhui, Wang Zhan, et al. Flow characteristics analysis of constant flow control valve based on AMESim[J]. Journal of Jilin University(Engineering and Technology Edition), 2023(9):2499-2507.
[6]	Bordovsky P, Schmitz I K, Murrenhoff I H. CFD simulation and measurement of flow forces acting on a spool valve[J]. Energy Conversion and Management, 2016, 37:69-75.
[7]	Owczarek P, Rybarczyk D, Kubacki A. Dynamic model and simulation of electro-hydraulic proportional valve[M].Automation 2017:Innovations in Automation, Robotics and Measurement Techniques. Cham:Springer International Publishing, 2017:99-107.
[8]	Chen C, Song Y, Xie Y, et al. Simulation and analysis of inclined flow channel of hydraulic slide valve[C]. Journal of Physics:Conference Series. IOP Publishing, 2020, 1707(1):012011.
[9]	Jia W,Liu Y,et al.Effects of U-shaped two-step throttling groove parameters on cavitation erosion characteristics[J].Journal of Theoretical and Applied Mechanics, 2021, 59(4):529-538.
[10]	何鑫龙.单节U形节流槽滑阀内部流场能耗机理分析[D].兰州:兰州理工大学,2021.He Xinlong. Analysis of internal energy consumption mechanism of single section U-groove spool valve[D].Lanzhou:Lanzhou University of Technology, 2021.
[11]	吴卫东,丁一,蔡树文,等.粒子群算法的负载敏感阀节流槽结构的优化[J].黑龙江科技大学学报,2021, 31(1):68-73. Wu Weidong, Ding Yi, Cai Shuwen, et al. Structural optimization design of notches in load-sensitive valve based on PSO algorithm[J]. Journal of Heilongjiang University of Science and Technology, 2021, 31(1):68-73.
[12]	宋百顺.负载敏感多路阀阀口特性及液动力的研究[D].大连:大连交通大学,2019.Song Baishun. Research on valve port characteristics and hydraulic force of load sensitive multi-way valve[D].Dalian:Dalian Jiaotong University, 2019.
[13]	冯贵层. L+U形节流槽过流面积分析与计算[J].机床与液压,2018, 46(22):63-65, 62. Feng Guiceng. Analysis and calculation of the orifice area of spool with L+U type notches[J]. Machine Tool&Hydraulics, 2018, 46(22):63-65, 62.
[14]	谭立建,涂攀,阮登芳.某液压滑阀流场仿真及卡滞现象分析[C]. 2021中国汽车工程学会年会论文集(4), 2021:648-653.
[15]	高宇龙,姚丽英,张占东.基于AMESim自适应大流量安全阀动态特性影响因素研究[J].山西大同大学学报(自然科学版),2022, 38(2):84-88. Gao Yulong, Yao Liying, Zhang Zhandong. Research on influencing factors of dynamic characteristics of adaptive large flow safety valve based on AMESim[J]. Journal of Shanxi Datong University(Natural Science Edition),2022, 38(2):84-88.