| 一种十字摆盘驱动式轴向柱塞泵结构设计 |
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| 引用本文： | 张华扬,张军辉,夏士奇,岳艺明.一种十字摆盘驱动式轴向柱塞泵结构设计[J].液压与气动,2018,0(11):8-12. |
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| 作者姓名： | 张华扬 张军辉 夏士奇 岳艺明 |
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| 作者单位： | 1. 浙江大学流体动力与机电系统国家重点实验室， 浙江杭州310027;
2. 杭州绿聚科技有限公司设计部， 浙江杭州310013 |
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| 基金项目： | 国家重点基础研究发展计划（973计划）（2014C B046403）；国家自然科学基金（U1737110） |
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| 摘 要： | 轴向柱塞泵作为液压系统的核心动力元件，具有额定压力高、流量大、功重比高等优点，传统斜盘式柱塞泵结构复杂，易导致滑靴磨损，且柱塞与缸体之间具有较大的侧向力易造成柱塞卡死，影响柱塞泵的可靠性及寿命。提出了一种新型十字摆盘驱动式轴向柱塞泵结构，斜盘轴旋转驱动十字摆盘摆动回程，实现柱塞的往复运动，同时高低压配液阀实现流体介质的配流，完成柱塞吸排油动作。通过模型受力分析验证，该柱塞泵具有回程结构性能稳定、侧向力小等优点，应用前景广泛。
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| 关 键 词： | 轴向柱塞泵 十字摆盘 侧向力 |
| 收稿时间： | 2018-01-06 |
Structure Design of Axial Piston Pump Driven by Cross Wobble Plate |
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| ZHANG Hua-yang,ZHANG Jun-hui,XIA Shi-qi,YUE Yi-Ming.Structure Design of Axial Piston Pump Driven by Cross Wobble Plate[J].Chinese Hydraulics & Pneumatics,2018,0(11):8-12. |
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| Authors: | ZHANG Hua-yang ZHANG Jun-hui XIA Shi-qi YUE Yi-Ming |
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| Affiliation: | 1. State Key Laboratory of Fluid Power & Mechatronic Systems, Zhejiang University, Hangzhou, Zhejiang310027;
2. Department of Design, Hangzhou lvju Technology Co., Ltd., Hangzhou, Zhejiang310013 |
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| Abstract: | As a main power unit of hydraulic system, a swashplate piston pump has the advantages of high rated pressure, high flow rate and high power to weight ratio. However, the structure of a traditional swash plate piston pump is complex, which can easily lead to wear of slipper; the piston can be easily stuck by a large lateral force between piston and cylinder, which will affect reliability and life of the piston pump. A new axial piston pump driven by cross wobble plate is proposed. The piston pump is composed of a swashplate shaft, a cross wobble plate, a piston, a cylinder and pressure distribution valves, and etc. The cross wobble plate is driven to swing back and forth by rotational swashplate shaft to realize reciprocating motion in cylinder. Finally, the distribution of the flow is achieved through pressure distribution valves. Through force analysis of mathematical model, the piston pump has the advantages of stable structure, small lateral force and wide application prospect. |
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