CN102304934A - 挖掘机液压系统 - Google Patents
挖掘机液压系统 Download PDFInfo
- Publication number
- CN102304934A CN102304934A CN201110173942A CN201110173942A CN102304934A CN 102304934 A CN102304934 A CN 102304934A CN 201110173942 A CN201110173942 A CN 201110173942A CN 201110173942 A CN201110173942 A CN 201110173942A CN 102304934 A CN102304934 A CN 102304934A
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- Prior art keywords
- valve
- hydraulic system
- working connection
- feed line
- electromagnetic valve
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- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
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Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110173942.6A CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压系统 |
Applications Claiming Priority (1)
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CN201110173942.6A CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压系统 |
Publications (2)
Publication Number | Publication Date |
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CN102304934A true CN102304934A (zh) | 2012-01-04 |
CN102304934B CN102304934B (zh) | 2015-07-15 |
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CN201110173942.6A Active CN102304934B (zh) | 2011-06-27 | 2011-06-27 | 挖掘机液压系统 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102705211A (zh) * | 2012-06-29 | 2012-10-03 | 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 |
CN103687998A (zh) * | 2012-07-19 | 2014-03-26 | 株式会社小松制作所 | 作业车 |
CN104727819A (zh) * | 2015-03-30 | 2015-06-24 | 吕学方 | 一种免爆机及免爆挖掘机 |
CN111425468A (zh) * | 2020-04-14 | 2020-07-17 | 广西玉柴重工有限公司 | 一种三泵节流系统泵桥加速模块 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5950519A (en) * | 1996-11-26 | 1999-09-14 | Volvo Construction Equipment Korea Co., Ltd. | Hydraulic system with secondary exhaust passage |
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系统 |
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系统 |
JP2011002017A (ja) * | 2009-06-18 | 2011-01-06 | Taihei Dengyo Kaisha Ltd | 高圧油圧システム用油圧回路 |
CN101975201A (zh) * | 2010-11-02 | 2011-02-16 | 赵国普 | 单泵多执行机构液压控制系统 |
CN202148557U (zh) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | 挖掘机液压系统 |
-
2011
- 2011-06-27 CN CN201110173942.6A patent/CN102304934B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5950519A (en) * | 1996-11-26 | 1999-09-14 | Volvo Construction Equipment Korea Co., Ltd. | Hydraulic system with secondary exhaust passage |
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系统 |
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系统 |
JP2011002017A (ja) * | 2009-06-18 | 2011-01-06 | Taihei Dengyo Kaisha Ltd | 高圧油圧システム用油圧回路 |
CN101975201A (zh) * | 2010-11-02 | 2011-02-16 | 赵国普 | 单泵多执行机构液压控制系统 |
CN202148557U (zh) * | 2011-06-27 | 2012-02-22 | 浙江苏强格液压股份有限公司 | 挖掘机液压系统 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102705211A (zh) * | 2012-06-29 | 2012-10-03 | 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 |
CN103687998A (zh) * | 2012-07-19 | 2014-03-26 | 株式会社小松制作所 | 作业车 |
CN103687998B (zh) * | 2012-07-19 | 2015-09-30 | 株式会社小松制作所 | 作业车 |
CN104727819A (zh) * | 2015-03-30 | 2015-06-24 | 吕学方 | 一种免爆机及免爆挖掘机 |
CN111425468A (zh) * | 2020-04-14 | 2020-07-17 | 广西玉柴重工有限公司 | 一种三泵节流系统泵桥加速模块 |
CN111425468B (zh) * | 2020-04-14 | 2024-04-26 | 广西玉柴重工有限公司 | 一种三泵节流系统泵桥加速模块 |
Also Published As
Publication number | Publication date |
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CN102304934B (zh) | 2015-07-15 |
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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 |