十一柱塞航空泵转子系统轴径比对功重比的影响

郭长虹; 罗进; 权凌霄; 张青松

doi:10.13433/j.cnki.1003-8728.20200316

十一柱塞航空泵转子系统轴径比对功重比的影响

doi: 10.13433/j.cnki.1003-8728.20200316

郭长虹^1,,
罗进¹,
权凌霄^{1, 2, ,},
张青松¹

1.
燕山大学机械工程学院, 河北秦皇岛 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, 河北秦皇岛 066004

基金项目:

国家自然科学基金项目 51775477

详细信息

作者简介:
郭长虹(1977-), 副教授, 硕士生导师, 研究方为机械设计、航空宇航制造工程, guochanghong@ysu.edu.cn

通讯作者:
权凌霄, 教授, 博士, lingxiao@ysu.edu.cn

中图分类号: TH137.51
计量
- 文章访问数: 40
- HTML全文浏览量: 8
- PDF下载量: 14
- 被引次数: 0
出版历程
- 收稿日期: 2020-08-11
- 刊出日期: 2022-02-25

Influence of Shaft Diameter Ratio of Eleven Plunger Aviation Pump Rotor System on Power to Weight Ratio

1.
School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
2.
Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao 066004, Hebei, China

摘要

摘要: 为研究不同轴径比转子系统对航空泵功重比的影响, 建立了十一柱塞航空液压泵缸体、传动轴、支撑轴承这3部分组成的转子系统。首先, 建立了泵排量、流量和功率的计算模型, 基于排量不变原则, 设计了16组不同轴径比的航空柱塞泵转子系统, 并对缸体强度进行理论校核; 然后建立了转子系统的功重比计算模型; 最后, 通过对缸体强度有限元仿真计算和功重比理论计算, 得到了重构建的不同轴径比缸体能够满足转子系统的强度要求和不同轴径比转子系统对功重比的影响规律。为后续航空液压泵的不平衡响应分析以及缸体结构优化设计提供了理论支撑。
- 航空柱塞泵 /
- 功重比 /
- 有限元分析 /
- 转子系统
Abstract: In order to study the influence of rotor systems with different shaft diameter ratios on the power-to-weight ratio of aviation plunger pumps, a rotor system consisting of three parts of the eleven-plunger aviation hydraulic pump cylinder block, drive shaft and support bearing is modeled in this paper. First, a calculation model for pump displacement, flow and power is established. Based on the principle of constant displacement, sixteen groups of aviation plunger pump rotor systems with different shaft diameter ratios are designed, and the cylinder strength is theoretically checked. Then, the power-to-weight ratio calculation model of the rotor system is established. Finally, through the finite element simulation of the cylinder block strength and the theoretical calculation of the power-to-weight ratio, it is concluded that the rebuilt cylinder blocks with different shaft diameter ratios can meet the strength requirements and requirements of the rotor system. The influence law of the rotor system with different shaft diameter ratios on power to weight ratio is obtained, which provides theoretical support for subsequent analysis of unbalanced response of aviation hydraulic pumps and optimization design of cylinder structure.
- aviation plunger pump /
- power-to-weight ratio /
- finite element analysis /
- rotor system

HTML全文

图 1 十一柱塞航空泵结构示意图

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图 2 同排量不同轴径比转子系统

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图 3 缸体机构示意图

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图 4 十一柱塞航空液压泵缸体结构参数图

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图 5 十一柱塞航空液压泵旋转部分结构几何尺寸

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图 6 QT600-3材料属性设置

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图 7 缸体网格划分

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图 8 缸体载荷加载

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图 9 不同轴径比缸体应力分布云图

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图 10 缸体应力结果与缸体轴径比关系图

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表 1 轴径比变化参数表

模型标号	Δi	现轴径比	模型标号	Δi	现轴径比
1	0.00	0.606	9	0.008	0.598
2	0.001	0.605	10	0.009	0.597
3	0.002	0.604	11	0.01	0.596
4	0.003	0.603	12	0.02	0.586
5	0.004	0.602	13	0.03	0.576
6	0.005	0.601	14	0.04	0.566
7	0.006	0.600	15	0.05	0.556
8	0.007	0.599	16	0.1	0.506

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表 2 各转子系统功重比影响因子

模型编号	轴径比i_r	影响因子	模型编号	轴径比i_r	影响因子
1	0.606	0.109	9	0.598	0.106
2	0.605	0.109	10	0.597	0.106
3	0.604	0.108	11	0.596	0.105
4	0.603	0.108	12	0.586	0.102
5	0.602	0.108	13	0.576	0.099
6	0.601	0.107	14	0.566	0.095
7	0.600	0.107	15	0.556	0.092
8	0.599	0.106	16	0.506	0.076

下载: 导出CSV

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