CN102433902B - Electric hydraulic excvavtor - Google Patents
Electric hydraulic excvavtor Download PDFInfo
- Publication number
- CN102433902B CN102433902B CN 201110442961 CN201110442961A CN102433902B CN 102433902 B CN102433902 B CN 102433902B CN 201110442961 CN201110442961 CN 201110442961 CN 201110442961 A CN201110442961 A CN 201110442961A CN 102433902 B CN102433902 B CN 102433902B
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- Prior art keywords
- motor
- power
- variable pump
- controller
- frequency converter
- 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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- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 150000002910 rare earth metals Chemical group 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 239000003921 oil Substances 0.000 description 5
- 239000000295 fuel oil Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110442961 CN102433902B (en) | 2011-12-27 | 2011-12-27 | Electric hydraulic excvavtor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110442961 CN102433902B (en) | 2011-12-27 | 2011-12-27 | Electric hydraulic excvavtor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102433902A CN102433902A (en) | 2012-05-02 |
CN102433902B true CN102433902B (en) | 2013-10-30 |
Family
ID=45982232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201110442961 Active CN102433902B (en) | 2011-12-27 | 2011-12-27 | Electric hydraulic excvavtor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102433902B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103510564A (en) * | 2012-06-26 | 2014-01-15 | 山重建机有限公司 | Device for controlling constant power of excavator |
CN106480926B (en) * | 2016-09-19 | 2018-10-26 | 湖南德力重工有限公司 | A kind of electric hydraulic excavating machine |
CN111945803A (en) * | 2020-08-25 | 2020-11-17 | 中国铁建重工集团股份有限公司 | Shovel loader |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1786486A (en) * | 2004-12-07 | 2006-06-14 | 沃尔沃建造设备控股(瑞典)有限公司 | Hydraulic control circuit and method thereof |
CN202450561U (en) * | 2011-12-27 | 2012-09-26 | 山重建机有限公司 | Electric hydraulic excavator |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3016004B2 (en) * | 1995-10-23 | 2000-03-06 | 内田油圧機器工業株式会社 | Work machine interference prevention control circuit device |
JPH10252703A (en) * | 1997-03-12 | 1998-09-22 | Komatsu Ltd | Travel control device for construction machine |
-
2011
- 2011-12-27 CN CN 201110442961 patent/CN102433902B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1786486A (en) * | 2004-12-07 | 2006-06-14 | 沃尔沃建造设备控股(瑞典)有限公司 | Hydraulic control circuit and method thereof |
CN202450561U (en) * | 2011-12-27 | 2012-09-26 | 山重建机有限公司 | Electric hydraulic excavator |
Non-Patent Citations (2)
Title |
---|
JP特开平10-252703A 1998.09.22 |
JP特开平9-111799A 1997.04.28 |
Also Published As
Publication number | Publication date |
---|---|
CN102433902A (en) | 2012-05-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xia Yuwu Inventor after: Li Baoxia Inventor after: Pang Jianguang Inventor after: Sun Ying Inventor after: Ni Lin Inventor after: You Yingang Inventor after: Zhang Yi Inventor after: Zhu Chengdong Inventor after: Gu Qingdong Inventor after: Ren Yongchun Inventor before: Ni Lin Inventor before: Pang Jianguang Inventor before: You Yingang Inventor before: Zhu Chengdong Inventor before: Gu Qingdong Inventor before: Ren Yongchun Inventor before: Wang Keche Inventor before: Li Baoxia |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: NI LIN PANG JIANGUANG YOU YINGANG ZHU CHENGDONG GU QINGDONG REN YONGCHUN WANG KECHE LI BAOXIA TO: XIA YUWU PANG JIANGUANG SUN YING NI LIN YOU YINGANG ZHANG YI ZHU CHENGDONG GU QINGDONG REN YONGCHUN LI BAOXIA |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PP01 | Preservation of patent right |
Effective date of registration: 20161123 Granted publication date: 20131030 |
|
PP01 | Preservation of patent right | ||
PD01 | Discharge of preservation of patent | ||
PD01 | Discharge of preservation of patent |
Date of cancellation: 20180523 Granted publication date: 20131030 |