CN103806496B - 挖掘机液压控制系统 - Google Patents
挖掘机液压控制系统 Download PDFInfo
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- CN103806496B CN103806496B CN201410029287.0A CN201410029287A CN103806496B CN 103806496 B CN103806496 B CN 103806496B CN 201410029287 A CN201410029287 A CN 201410029287A CN 103806496 B CN103806496 B CN 103806496B
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CN201410029287.0A CN103806496B (zh) | 2014-01-22 | 2014-01-22 | 挖掘机液压控制系统 |
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CN201410029287.0A CN103806496B (zh) | 2014-01-22 | 2014-01-22 | 挖掘机液压控制系统 |
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CN103806496A CN103806496A (zh) | 2014-05-21 |
CN103806496B true CN103806496B (zh) | 2016-07-06 |
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CN201410029287.0A Expired - Fee Related CN103806496B (zh) | 2014-01-22 | 2014-01-22 | 挖掘机液压控制系统 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108049451B (zh) * | 2017-12-25 | 2019-09-17 | 柳州柳工挖掘机有限公司 | 挖掘机行走先导控制液压系统 |
CN108049450B (zh) * | 2017-12-25 | 2019-09-17 | 柳州柳工挖掘机有限公司 | 挖掘机行走先导控制液压系统 |
CN108639151B (zh) * | 2018-04-27 | 2024-02-06 | 山推工程机械股份有限公司 | 一种可实现液控全液压推土机原地转向的液压系统 |
CN112196855B (zh) * | 2020-09-28 | 2022-07-26 | 常德中联重科液压有限公司 | 直线行走控制阀、直线行走控制系统及履带式工程机械 |
CN113529844B (zh) * | 2021-07-08 | 2022-11-11 | 柳州柳工挖掘机有限公司 | 负流量挖掘机直行控制系统和方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201010925Y (zh) * | 2007-03-22 | 2008-01-23 | 湖南山河智能机械股份有限公司 | 一种液压挖掘机的直线行走机构 |
EP2123541A1 (en) * | 2006-12-21 | 2009-11-25 | Hitachi Construction Machinery Co., Ltd | Steering system for working vehicle |
CN201363328Y (zh) * | 2008-12-22 | 2009-12-16 | 福田雷沃国际重工股份有限公司 | 改进的挖掘机液压回路装置 |
Family Cites Families (1)
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JP2002130474A (ja) * | 2000-10-18 | 2002-05-09 | Hitachi Constr Mach Co Ltd | 油圧閉回路 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2123541A1 (en) * | 2006-12-21 | 2009-11-25 | Hitachi Construction Machinery Co., Ltd | Steering system for working vehicle |
CN201010925Y (zh) * | 2007-03-22 | 2008-01-23 | 湖南山河智能机械股份有限公司 | 一种液压挖掘机的直线行走机构 |
CN201363328Y (zh) * | 2008-12-22 | 2009-12-16 | 福田雷沃国际重工股份有限公司 | 改进的挖掘机液压回路装置 |
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CN103806496A (zh) | 2014-05-21 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhu Qingxuan Inventor after: Zhang Erping Inventor after: Wang Yiqian Inventor after: Jia Jing Inventor after: Gao Yingda Inventor after: Jiang Tuo Inventor after: Li Guozhen Inventor before: Zhu Qingxuan Inventor before: Zhang Erping Inventor before: Wang Yiqian Inventor before: Jia Jing Inventor before: Gao Yingda Inventor before: Jiang Tuo |
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Granted publication date: 20160706 Termination date: 20220122 |