CN101294402A - 液压挖掘机用动臂保持阀 - Google Patents
液压挖掘机用动臂保持阀 Download PDFInfo
- Publication number
- CN101294402A CN101294402A CNA2008101224589A CN200810122458A CN101294402A CN 101294402 A CN101294402 A CN 101294402A CN A2008101224589 A CNA2008101224589 A CN A2008101224589A CN 200810122458 A CN200810122458 A CN 200810122458A CN 101294402 A CN101294402 A CN 101294402A
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- Prior art keywords
- valve
- maintaining
- valve opening
- movable arm
- spring
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- 239000003921 oil Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101224589A CN101294402B (zh) | 2008-05-28 | 2008-05-28 | 液压挖掘机用动臂保持阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008101224589A CN101294402B (zh) | 2008-05-28 | 2008-05-28 | 液压挖掘机用动臂保持阀 |
Publications (2)
Publication Number | Publication Date |
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CN101294402A true CN101294402A (zh) | 2008-10-29 |
CN101294402B CN101294402B (zh) | 2010-12-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2008101224589A Active CN101294402B (zh) | 2008-05-28 | 2008-05-28 | 液压挖掘机用动臂保持阀 |
Country Status (1)
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CN (1) | CN101294402B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN106151143A (zh) * | 2016-06-29 | 2016-11-23 | 宁波文泽机电技术开发有限公司 | 动臂保持阀 |
CN110145508A (zh) * | 2019-05-22 | 2019-08-20 | 新乡市德恩智能工业有限公司 | 一种设有保持阀的多路阀 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864761A4 (en) * | 1996-08-08 | 2000-09-27 | Hitachi Construction Machinery | HYDRAULIC CONTROL DEVICE |
DE69831713T2 (de) * | 1997-01-07 | 2006-05-18 | Hitachi Construction Machinery Co., Ltd. | Kollisionsverhütungsvorrichtung für einen hydraulischen Bagger mit einem zweiteiligen Arm |
JP2006183413A (ja) * | 2004-12-28 | 2006-07-13 | Shin Caterpillar Mitsubishi Ltd | 建設機械の制御回路 |
CN201193333Y (zh) * | 2008-04-30 | 2009-02-11 | 江阴市长龄液压机具厂 | 液压挖掘机用动臂保持阀 |
-
2008
- 2008-05-28 CN CN2008101224589A patent/CN101294402B/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
CN106151143A (zh) * | 2016-06-29 | 2016-11-23 | 宁波文泽机电技术开发有限公司 | 动臂保持阀 |
CN110145508A (zh) * | 2019-05-22 | 2019-08-20 | 新乡市德恩智能工业有限公司 | 一种设有保持阀的多路阀 |
CN110145508B (zh) * | 2019-05-22 | 2024-03-22 | 新乡市德恩智能工业有限公司 | 一种设有保持阀的多路阀 |
Also Published As
Publication number | Publication date |
---|---|
CN101294402B (zh) | 2010-12-08 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGYIN CHANGLING MACHINERY MANUFACTURING CO., LT Free format text: FORMER OWNER: CHANGLING HYDRAULIC PRESS PLANT, JIANGYIN CITY Effective date: 20110314 |
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Effective date of registration: 20110314 Address after: 214422, No. 1, Great Garden Road, development zone, cloud Pavilion Town, Jiangyin, Jiangsu Patentee after: Jiangyin Changling Machinery Manufacturing Co., Ltd. Address before: 214422, No. 1, Great Garden Road, development zone, cloud Pavilion Town, Jiangyin, Jiangsu Patentee before: Changling Hydraulic Press Plant, Jiangyin City |
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ASS | Succession or assignment of patent right |
Owner name: JIANGYIN CHANGLING HYDRAULIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANGYIN CHANGLING MACHINERY MANUFACTURING CO., LTD. Effective date: 20110614 |
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Free format text: CORRECT: ADDRESS; FROM: 214422 NO. 1, DAYUANLI ROAD, DEVELOPMENT ZONE, YUNTING TOWN, JIANGYIN CITY, JIANGSU PROVINCE TO: 214422 NO. 1, DAYUANLI ROAD, YUNTING SUBDISTRICT, JIANGYIN CITY, JIANGSU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20110614 Address after: 214422, No. 1 Park Road, Jiangyin, Jiangsu Province Patentee after: Jiangyin Changling Hydraulic Technology Co., Ltd. Address before: 214422, No. 1, Great Garden Road, development zone, cloud Pavilion Town, Jiangyin, Jiangsu Patentee before: Jiangyin Changling Machinery Manufacturing Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: JIANGYIN CHANGLING MACHINERY MANUFACTURING CO., LT Free format text: FORMER OWNER: JIANGYIN CHANGLING HYDRAULIC COMPONENTS FACTORY Effective date: 20110715 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 214422 NO. 1, DAYUANLI ROAD, YUNTING SUBDISTRICT, JIANGYIN CITY, JIANGSU PROVINCE TO: 214422 NO. 1, DAYUANLI ROAD, DEVELOPMENT ZONE, YUNTING TOWN, JIANGYIN CITY, JIANGSU PROVINCE |
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TR01 | Transfer of patent right |
Effective date of registration: 20110715 Address after: 214422, No. 1, Great Garden Road, development zone, cloud Pavilion Town, Jiangyin, Jiangsu Patentee after: Jiangyin Changling Machinery Manufacturing Co., Ltd. Address before: 214422, No. 1 Park Road, Jiangyin, Jiangsu Province Patentee before: Jiangyin Changling Hydraulic Technology Co., Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 214422 1, Dayuan Li Road, Jiangyin, Jiangsu. Patentee after: Jiangsu Changling hydraulic Limited by Share Ltd Address before: 214422 1, Dayuan Li Road, Jiangyin, Jiangsu. Patentee before: Jiangyin Changling Machinery Manufacturing Co., Ltd. |
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CP02 | Change in the address of a patent holder |
Address after: 214422 Yun Ting Road 885, Yun Ting Street, Jiangyin, Wuxi, Jiangsu Patentee after: Jiangsu Changling hydraulic Limited by Share Ltd Address before: 214422 1, Dayuan Li Road, Jiangyin, Jiangsu. Patentee before: Jiangsu Changling hydraulic Limited by Share Ltd |
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CP02 | Change in the address of a patent holder |