CN101775822A - 挖掘机动臂下降液压控制回路 - Google Patents
挖掘机动臂下降液压控制回路 Download PDFInfo
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- CN101775822A CN101775822A CN200910215459A CN200910215459A CN101775822A CN 101775822 A CN101775822 A CN 101775822A CN 200910215459 A CN200910215459 A CN 200910215459A CN 200910215459 A CN200910215459 A CN 200910215459A CN 101775822 A CN101775822 A CN 101775822A
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CN2009102154592A CN101775822B (zh) | 2009-12-31 | 2009-12-31 | 挖掘机动臂下降液压控制回路 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102061714A (zh) * | 2010-12-03 | 2011-05-18 | 三一重机有限公司 | 一种用于挖掘机动臂下降的控制方法 |
CN102102370A (zh) * | 2010-12-08 | 2011-06-22 | 太原重工股份有限公司 | 矿用液压挖掘机动臂下放控制*** |
CN102588359A (zh) * | 2012-02-28 | 2012-07-18 | 上海中联重科桩工机械有限公司 | 液压***、挖掘机及液压***的控制方法 |
CN102852186A (zh) * | 2012-09-27 | 2013-01-02 | 太原重工股份有限公司 | 一种用于防止液压挖掘机动臂意外下落的液压装置 |
CN102995680A (zh) * | 2012-12-04 | 2013-03-27 | 山河智能装备股份有限公司 | 一种液压挖掘机的斗杆液压控制回路 |
CN103195124A (zh) * | 2013-04-03 | 2013-07-10 | 徐州徐工挖掘机械有限公司 | 一种挖掘机回油压力控制回路 |
CN103469847A (zh) * | 2013-09-26 | 2013-12-25 | 镇江金天辰新材料有限公司 | 装载机动臂应急下降*** |
CN104929997A (zh) * | 2014-03-19 | 2015-09-23 | 纳博特斯克有限公司 | 工程机械用液压回路 |
CN104986675A (zh) * | 2015-07-02 | 2015-10-21 | 浙江三一装备有限公司 | 一种臂架变幅液压***和起重机 |
CN105229242A (zh) * | 2013-05-13 | 2016-01-06 | 卡特彼勒公司 | 用于作业机器液压回路的阀装置 |
CN108118732A (zh) * | 2017-11-20 | 2018-06-05 | 三重机有限公司 | 一种挖掘机动臂液压***以及控制方法 |
CN110541449A (zh) * | 2019-09-19 | 2019-12-06 | 广西玉柴重工有限公司 | 一种液压挖掘机安全装置 |
-
2009
- 2009-12-31 CN CN2009102154592A patent/CN101775822B/zh active Active
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102061714A (zh) * | 2010-12-03 | 2011-05-18 | 三一重机有限公司 | 一种用于挖掘机动臂下降的控制方法 |
CN102102370A (zh) * | 2010-12-08 | 2011-06-22 | 太原重工股份有限公司 | 矿用液压挖掘机动臂下放控制*** |
CN102588359A (zh) * | 2012-02-28 | 2012-07-18 | 上海中联重科桩工机械有限公司 | 液压***、挖掘机及液压***的控制方法 |
CN102588359B (zh) * | 2012-02-28 | 2014-10-22 | 上海中联重科桩工机械有限公司 | 液压***、挖掘机及液压***的控制方法 |
WO2013127175A1 (zh) * | 2012-02-28 | 2013-09-06 | 中联重科股份有限公司 | 液压***、挖掘机及液压***的控制方法 |
CN102852186B (zh) * | 2012-09-27 | 2014-10-22 | 太原重工股份有限公司 | 一种用于防止液压挖掘机动臂意外下落的液压装置 |
CN102852186A (zh) * | 2012-09-27 | 2013-01-02 | 太原重工股份有限公司 | 一种用于防止液压挖掘机动臂意外下落的液压装置 |
CN102995680A (zh) * | 2012-12-04 | 2013-03-27 | 山河智能装备股份有限公司 | 一种液压挖掘机的斗杆液压控制回路 |
CN103195124A (zh) * | 2013-04-03 | 2013-07-10 | 徐州徐工挖掘机械有限公司 | 一种挖掘机回油压力控制回路 |
CN105229242A (zh) * | 2013-05-13 | 2016-01-06 | 卡特彼勒公司 | 用于作业机器液压回路的阀装置 |
CN103469847A (zh) * | 2013-09-26 | 2013-12-25 | 镇江金天辰新材料有限公司 | 装载机动臂应急下降*** |
CN104929997A (zh) * | 2014-03-19 | 2015-09-23 | 纳博特斯克有限公司 | 工程机械用液压回路 |
CN104929997B (zh) * | 2014-03-19 | 2017-03-29 | 纳博特斯克有限公司 | 工程机械用液压回路 |
CN104986675A (zh) * | 2015-07-02 | 2015-10-21 | 浙江三一装备有限公司 | 一种臂架变幅液压***和起重机 |
CN104986675B (zh) * | 2015-07-02 | 2017-06-30 | 浙江三一装备有限公司 | 一种臂架变幅液压***和起重机 |
CN108118732A (zh) * | 2017-11-20 | 2018-06-05 | 三重机有限公司 | 一种挖掘机动臂液压***以及控制方法 |
CN108118732B (zh) * | 2017-11-20 | 2024-02-02 | 三一重机有限公司 | 一种挖掘机动臂液压***以及控制方法 |
CN110541449A (zh) * | 2019-09-19 | 2019-12-06 | 广西玉柴重工有限公司 | 一种液压挖掘机安全装置 |
CN110541449B (zh) * | 2019-09-19 | 2024-06-25 | 广西玉柴重工有限公司 | 一种液压挖掘机安全装置 |
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CN101775822B (zh) | 2011-12-07 |
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Address after: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. Address before: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee before: QINGDAO LOVOL EXCAVATOR Co.,Ltd. |
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Address after: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee after: LOVOL Engineering Machinery Group Co.,Ltd. Address before: 266500, No. 75 east the Yellow River Road, Huangdao economic and Technological Development Zone, Qingdao, Shandong Patentee before: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. |
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Address after: 266500 No. 75 East Huanghe Road, Huangdao Economic and Technological Development Zone, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao Economic and Technological Development Zone, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |
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