CN107269609B - 负载敏感阀内合流液压*** - Google Patents
负载敏感阀内合流液压*** Download PDFInfo
- Publication number
- CN107269609B CN107269609B CN201710616387.7A CN201710616387A CN107269609B CN 107269609 B CN107269609 B CN 107269609B CN 201710616387 A CN201710616387 A CN 201710616387A CN 107269609 B CN107269609 B CN 107269609B
- Authority
- CN
- China
- Prior art keywords
- load
- valve
- way
- mouthfuls
- proportional multi
- 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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Links
- 239000003921 oil Substances 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims description 20
- 230000008676 import Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710616387.7A CN107269609B (zh) | 2017-07-26 | 2017-07-26 | 负载敏感阀内合流液压*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710616387.7A CN107269609B (zh) | 2017-07-26 | 2017-07-26 | 负载敏感阀内合流液压*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107269609A CN107269609A (zh) | 2017-10-20 |
CN107269609B true CN107269609B (zh) | 2018-10-26 |
Family
ID=60078129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710616387.7A Active CN107269609B (zh) | 2017-07-26 | 2017-07-26 | 负载敏感阀内合流液压*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107269609B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108443270B (zh) * | 2018-05-09 | 2023-12-12 | 杭州青流液压设备制造有限公司 | 螺旋式卸料机泵站开式回路节能液压*** |
CN108661967A (zh) * | 2018-06-29 | 2018-10-16 | 无锡市钻通工程机械有限公司 | 一种负载敏感控制*** |
CN109236767B (zh) * | 2018-07-27 | 2020-12-29 | 武汉船用机械有限责任公司 | 一种节能型原油外输*** |
CN108716486A (zh) * | 2018-08-03 | 2018-10-30 | 中船绿洲镇江船舶辅机有限公司 | 用于双锚机的液压动力分配*** |
CN109973444A (zh) * | 2019-04-30 | 2019-07-05 | 天津捷强动力装备股份有限公司 | 一种控制液压马达空载稳定转速的液压*** |
CN110118209B (zh) * | 2019-05-23 | 2023-10-20 | 福州大学 | 保证hb砼泵机稳定工作的换向控制回路*** |
CN113638922A (zh) * | 2021-06-25 | 2021-11-12 | 国网江西省电力有限公司电力科学研究院 | 一种基于负载敏感柔性控制的电网钻孔施工工艺 |
CN113829875A (zh) * | 2021-09-30 | 2021-12-24 | 湖南三一中益机械有限公司 | 前轮驱动***和摊铺机 |
CN113898624A (zh) * | 2021-10-09 | 2022-01-07 | 徐工集团工程机械股份有限公司科技分公司 | 一种全变量化液压控制***、装载机及控制方法 |
CN113944671B (zh) * | 2021-11-09 | 2024-06-14 | 中国铁建重工集团股份有限公司 | 一种双动力双模式液压泵控制*** |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2610133Y (zh) * | 2003-03-14 | 2004-04-07 | 柯坚 | 装载机定变量合流*** |
CN1789733A (zh) * | 2004-12-17 | 2006-06-21 | 卢永松 | 带负荷敏感双泵合流型多路比例操纵阀 |
CN102747948A (zh) * | 2012-07-19 | 2012-10-24 | 山河智能装备股份有限公司 | 切削钻机关键凿岩动作双泵液压控制回路 |
CN106759621A (zh) * | 2017-01-04 | 2017-05-31 | 浙江高宇液压机电有限公司 | 负载敏感式装载机定变量液压*** |
CN207161409U (zh) * | 2017-07-26 | 2018-03-30 | 无锡市钻通工程机械有限公司 | 负载敏感阀内合流液压*** |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4235709A1 (de) * | 1992-10-22 | 1994-04-28 | Linde Ag | Hydrostatisches Antriebssystem |
CN200947331Y (zh) * | 2006-08-07 | 2007-09-12 | 梁池德 | 一种交通指示牌 |
-
2017
- 2017-07-26 CN CN201710616387.7A patent/CN107269609B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2610133Y (zh) * | 2003-03-14 | 2004-04-07 | 柯坚 | 装载机定变量合流*** |
CN1789733A (zh) * | 2004-12-17 | 2006-06-21 | 卢永松 | 带负荷敏感双泵合流型多路比例操纵阀 |
CN102747948A (zh) * | 2012-07-19 | 2012-10-24 | 山河智能装备股份有限公司 | 切削钻机关键凿岩动作双泵液压控制回路 |
CN106759621A (zh) * | 2017-01-04 | 2017-05-31 | 浙江高宇液压机电有限公司 | 负载敏感式装载机定变量液压*** |
CN207161409U (zh) * | 2017-07-26 | 2018-03-30 | 无锡市钻通工程机械有限公司 | 负载敏感阀内合流液压*** |
Also Published As
Publication number | Publication date |
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CN107269609A (zh) | 2017-10-20 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Combined hydraulic system in load sensitive valve Effective date of registration: 20211228 Granted publication date: 20181026 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Binhu branch Pledgor: WUXI DRILLTO TRENCHLESS Co.,Ltd. Registration number: Y2021320010621 |
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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 |
Granted publication date: 20181026 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Binhu branch Pledgor: WUXI DRILLTO TRENCHLESS Co.,Ltd. Registration number: Y2021320010621 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |