| 卡特彼勒330C挖掘机液压泵控制分析 |
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| 引用本文： | 潘富强.卡特彼勒330C挖掘机液压泵控制分析[J].筑路机械与施工机械化,2009,26(9):37-39. |
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| 作者姓名： | 潘富强 |
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| 作者单位： | 上海老港生活垃圾处置有限公司,上海,201302 |
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| 摘 要： | 本文以卡特彼勒330C挖掘机为背景，对其液压泵控制方式进行了详细分析。分析得出：无负荷和小负荷情况下负流量油压高，经调节器控制泵流量最小或较小，主要进行负流量控制；大负荷控制泵流量按交叉功率控制供给，主要进行交叉功率控制和动力换挡控制。
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| 关 键 词： | 挖掘机 负流量控制 交叉功率控制 变功率控制 |
Analysis on Control of Hydraulic Pump of Caterpillar 330C Excavator |
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| PAN Fu-qiang.Analysis on Control of Hydraulic Pump of Caterpillar 330C Excavator[J].Road Machinery & Construction Mechanization,2009,26(9):37-39. |
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| Authors: | PAN Fu-qiang |
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| Institution: | PAN Fu-qiang(Shanghai Laogang MSW Treatment Co. Ltd., Shanghai 201302, China) |
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| Abstract: | The control mode of hydraulic pump of Caterpillar 330C excavator is analyzed in detail. The results indicate that the pump shows negative flow and high oil pressure in unloaded or minor-loaded conditions. The flow, mostly the negative flow can be lowered with regulator. In major-loaded condition, the pump is mainly controlled with alternate power or power shift. |
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| Keywords: | excavator negative flow control alternate power control variable power control |
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