CN102304934B - 挖掘机液压*** - Google Patents
挖掘机液压*** Download PDFInfo
- Publication number
- CN102304934B CN102304934B CN201110173942.6A CN201110173942A CN102304934B CN 102304934 B CN102304934 B CN 102304934B CN 201110173942 A CN201110173942 A CN 201110173942A CN 102304934 B CN102304934 B CN 102304934B
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- CN
- China
- Prior art keywords
- valve
- working connection
- oil
- feed line
- hydraulic system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110173942.6A CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压*** |
Applications Claiming Priority (1)
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CN201110173942.6A CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压*** |
Publications (2)
Publication Number | Publication Date |
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CN102304934A CN102304934A (zh) | 2012-01-04 |
CN102304934B true CN102304934B (zh) | 2015-07-15 |
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Family Applications (1)
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CN201110173942.6A Active CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压*** |
Country Status (1)
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CN (1) | CN102304934B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102705211B (zh) * | 2012-06-29 | 2015-12-23 | 山河智能装备股份有限公司 | 一种变量泵小排量和小压力控制回路及其控制方法 |
JP5108164B1 (ja) * | 2012-07-19 | 2012-12-26 | 株式会社小松製作所 | 作業車両 |
CN104727819B (zh) * | 2015-03-30 | 2017-06-23 | 吕学方 | 一种钻孔劈裂一体机及免爆挖掘机 |
CN111425468B (zh) * | 2020-04-14 | 2024-04-26 | 广西玉柴重工有限公司 | 一种三泵节流***泵桥加速模块 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2851674Y (zh) * | 2005-11-11 | 2006-12-27 | 肖玉龙 | 一种小型半径轮式挖掘机的比例先导液压控制*** |
CN201096113Y (zh) * | 2007-09-28 | 2008-08-06 | 四川成都成工工程机械股份有限公司 | 工程机械带先导供油阀的新型先导液压*** |
CN101975201A (zh) * | 2010-11-02 | 2011-02-16 | 赵国普 | 单泵多执行机构液压控制*** |
CN202148557U (zh) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | 挖掘机液压*** |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100474259B1 (ko) * | 1996-11-26 | 2005-06-20 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설기계의작업장치용실린더를위한유압장치 |
JP5266150B2 (ja) * | 2009-06-18 | 2013-08-21 | 太平電業株式会社 | 高圧油圧システム用油圧回路 |
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2011
- 2011-06-27 CN CN201110173942.6A patent/CN102304934B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2851674Y (zh) * | 2005-11-11 | 2006-12-27 | 肖玉龙 | 一种小型半径轮式挖掘机的比例先导液压控制*** |
CN201096113Y (zh) * | 2007-09-28 | 2008-08-06 | 四川成都成工工程机械股份有限公司 | 工程机械带先导供油阀的新型先导液压*** |
CN101975201A (zh) * | 2010-11-02 | 2011-02-16 | 赵国普 | 单泵多执行机构液压控制*** |
CN202148557U (zh) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | 挖掘机液压*** |
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Publication number | Publication date |
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CN102304934A (zh) | 2012-01-04 |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pilot operated check valve for excavator hydraulic system Effective date of registration: 20181220 Granted publication date: 20150715 Pledgee: Industrial Commercial Bank of China Ltd Yuhuan branch Pledgor: Zhejiang Stronger Hydraulic Co., Ltd. Registration number: 2018330000487 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200908 Granted publication date: 20150715 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG STRONGER HYDRAULIC Co.,Ltd. Registration number: 2018330000487 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hydraulic system of excavator Effective date of registration: 20200917 Granted publication date: 20150715 Pledgee: Industrial Commercial Bank of China Ltd. Yuhuan branch Pledgor: ZHEJIANG STRONGER HYDRAULIC Co.,Ltd. Registration number: Y2020330000683 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |