CN103437394B - 一种挖掘机用新型1.5泵液压系统 - Google Patents
一种挖掘机用新型1.5泵液压系统 Download PDFInfo
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- CN103437394B CN103437394B CN201310414042.5A CN201310414042A CN103437394B CN 103437394 B CN103437394 B CN 103437394B CN 201310414042 A CN201310414042 A CN 201310414042A CN 103437394 B CN103437394 B CN 103437394B
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CN201310414042.5A CN103437394B (zh) | 2013-09-11 | 2013-09-11 | 一种挖掘机用新型1.5泵液压系统 |
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CN201310414042.5A CN103437394B (zh) | 2013-09-11 | 2013-09-11 | 一种挖掘机用新型1.5泵液压系统 |
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CN103437394A CN103437394A (zh) | 2013-12-11 |
CN103437394B true CN103437394B (zh) | 2015-09-16 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103912037B (zh) * | 2014-04-11 | 2016-07-20 | 柳州柳工液压件有限公司 | 挖掘机控制阀 |
CN106351277A (zh) * | 2016-11-04 | 2017-01-25 | 山东常林机械集团股份有限公司 | 一种节能挖掘机动臂势能回收利用装置 |
CN110185083A (zh) * | 2019-06-03 | 2019-08-30 | 青岛雷沃工程机械有限公司 | 一种再生节能式斗杆挖掘液压控制系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1664384A (zh) * | 2005-03-15 | 2005-09-07 | 浙江大学 | 工程机械液压马达双泵-马达液压驱动系统 |
CN1683797A (zh) * | 2005-03-15 | 2005-10-19 | 浙江大学 | 工程机械举升油缸双泵-马达液压驱动系统 |
EP2157245A2 (en) * | 2008-08-21 | 2010-02-24 | Volvo Construction Equipment Holding Sweden AB | Hydraulic system for construction equipment |
CN102296665A (zh) * | 2011-06-23 | 2011-12-28 | 上海三一重机有限公司 | 一种搭载负载敏感主阀与正流量泵的挖掘机液压系统 |
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US6408622B1 (en) * | 1998-12-28 | 2002-06-25 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive device |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1664384A (zh) * | 2005-03-15 | 2005-09-07 | 浙江大学 | 工程机械液压马达双泵-马达液压驱动系统 |
CN1683797A (zh) * | 2005-03-15 | 2005-10-19 | 浙江大学 | 工程机械举升油缸双泵-马达液压驱动系统 |
EP2157245A2 (en) * | 2008-08-21 | 2010-02-24 | Volvo Construction Equipment Holding Sweden AB | Hydraulic system for construction equipment |
CN102296665A (zh) * | 2011-06-23 | 2011-12-28 | 上海三一重机有限公司 | 一种搭载负载敏感主阀与正流量泵的挖掘机液压系统 |
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Effective date of registration: 20160229 Address after: 215500 southeast Road, Changshu Southeast Economic Development Zone, Suzhou, Jiangsu, Changshou City Patentee after: Changshu Huawei Track Co.,Ltd. Address before: 201306 Pudong New Area Port Industrial Park, Shanghai, No. two port road, block A, 318 Patentee before: Shanghai Sany Heavy Machinery Co., Ltd. |
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Effective date of registration: 20171123 Address after: 215500 southeast avenue of Changshu Southeast Economic Development Zone, Suzhou, Jiangsu Patentee after: Suote Transmission Equipment Co., Ltd. Address before: 215500 southeast Road, Changshu Southeast Economic Development Zone, Suzhou, Jiangsu, Changshou City Patentee before: Changshu Huawei Track Co.,Ltd. |