KR20130124432A - 하중 감압부를 포함하는 유압 제어장치 및 이를 위한 유압 밸브 블록 - Google Patents
하중 감압부를 포함하는 유압 제어장치 및 이를 위한 유압 밸브 블록 Download PDFInfo
- Publication number
- KR20130124432A KR20130124432A KR1020130049809A KR20130049809A KR20130124432A KR 20130124432 A KR20130124432 A KR 20130124432A KR 1020130049809 A KR1020130049809 A KR 1020130049809A KR 20130049809 A KR20130049809 A KR 20130049809A KR 20130124432 A KR20130124432 A KR 20130124432A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- hydraulic
- valve
- control
- line
- 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.)
- Ceased
Links
- 230000009467 reduction Effects 0.000 title claims description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 39
- 230000006837 decompression Effects 0.000 claims abstract description 28
- 230000014759 maintenance of location Effects 0.000 claims description 29
- 230000010412 perfusion Effects 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 21
- 230000000903 blocking effect Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 10
- 230000001133 acceleration Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
Classifications
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated systems
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- 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
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
-
- 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
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
-
- 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
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
- F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
-
- 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
- F15B2211/60—Circuit components or control therefor
- F15B2211/65—Methods of control of the load sensing pressure
- F15B2211/654—Methods of control of the load sensing pressure the load sensing pressure being lower than the load pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210207422 DE102012207422A1 (de) | 2012-05-04 | 2012-05-04 | Hydraulische Steueranordnung mit Lastdruckminderungund hydraulischer Ventilblock dafür |
DE102012207422.8 | 2012-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20130124432A true KR20130124432A (ko) | 2013-11-13 |
Family
ID=49384478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020130049809A Ceased KR20130124432A (ko) | 2012-05-04 | 2013-05-03 | 하중 감압부를 포함하는 유압 제어장치 및 이를 위한 유압 밸브 블록 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6188409B2 (enrdf_load_stackoverflow) |
KR (1) | KR20130124432A (enrdf_load_stackoverflow) |
CN (1) | CN103382952B (enrdf_load_stackoverflow) |
DE (1) | DE102012207422A1 (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314921A (zh) * | 2014-07-09 | 2015-01-28 | 镇江四联机电科技有限公司 | 一种多功能液压伺服阀测试装置 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103912529B (zh) * | 2013-01-08 | 2017-10-20 | 迪尔公司 | 改进的液压流体预热装置 |
DE102017004338A1 (de) * | 2017-05-05 | 2018-11-08 | Wabco Gmbh | Verfahren zum Betreiben einer Druckregelanlage in einem Fahrzeug sowie Druckregelanlage |
CN107178541B (zh) * | 2017-07-21 | 2019-03-22 | 中国工程物理研究院化工材料研究所 | 液压加载试验机起始载荷域柔顺加载控制方法 |
FI128622B (fi) * | 2017-10-09 | 2020-08-31 | Norrhydro Oy | Hydraulijärjestelmä ja sen ohjausjärjestelmä |
CN108313903B (zh) * | 2018-02-13 | 2024-02-20 | 湖南九虎智能科技有限公司 | 一种变速大能级卷扬系统 |
CN108386418B (zh) * | 2018-04-10 | 2023-07-18 | 中国人民解放军火箭军工程大学 | 一种先导式溢流阀主阀芯位移检测装置 |
CN110486341B (zh) * | 2018-05-14 | 2023-03-21 | 博世力士乐(北京)液压有限公司 | 液压控制系统以及移动式工作设备 |
DE102019216771A1 (de) * | 2019-10-30 | 2021-05-06 | Robert Bosch Gmbh | Hydraulische Steueranordnung zur Druckmittelversorgung wenigstens zweier hydraulischer Verbraucher |
DE102020209387B3 (de) * | 2020-07-24 | 2021-07-15 | Hawe Hydraulik Se | Vorwahlventil, Hydraulikventilverband und Hydrauliksteuervorrichtung |
CN113550361A (zh) * | 2021-07-20 | 2021-10-26 | 广西柳工机械股份有限公司 | 伸缩臂装载机 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3603630A1 (de) * | 1986-02-06 | 1987-08-13 | Rexroth Mannesmann Gmbh | Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher |
IN170798B (enrdf_load_stackoverflow) * | 1988-05-12 | 1992-05-23 | Hitachi Construction Machinery | |
KR920010875B1 (ko) * | 1988-06-29 | 1992-12-19 | 히다찌 겐끼 가부시기가이샤 | 유압구동장치 |
JP2721384B2 (ja) * | 1989-02-20 | 1998-03-04 | 日立建機株式会社 | 作業機械の油圧回路 |
KR950004530B1 (ko) * | 1989-08-16 | 1995-05-02 | 히다찌 겐끼 가부시기가이샤 | 밸브장치 및 유압회로장치 |
JP2828490B2 (ja) * | 1990-06-19 | 1998-11-25 | 日立建機株式会社 | ロードセンシング油圧駆動回路の制御装置 |
US6026730A (en) * | 1993-08-13 | 2000-02-22 | Komatsu Ltd. | Flow control apparatus in a hydraulic circuit |
DE19538649C2 (de) * | 1995-10-17 | 2000-05-25 | Brueninghaus Hydromatik Gmbh | Leistungsregelung mit Load-Sensing |
JPH10231801A (ja) * | 1997-02-19 | 1998-09-02 | Kayaba Ind Co Ltd | ロードセンシング回路 |
US6318079B1 (en) * | 2000-08-08 | 2001-11-20 | Husco International, Inc. | Hydraulic control valve system with pressure compensated flow control |
US6874318B1 (en) * | 2003-09-18 | 2005-04-05 | Sauer-Danfoss, Inc. | Automatic remote pressure compensation in an open circuit pump |
DE102004061555A1 (de) | 2004-12-21 | 2006-06-22 | Bosch Rexroth Aktiengesellschaft | Hydraulische Steueranordnung |
DE102005035981A1 (de) * | 2005-07-28 | 2007-02-01 | Putzmeister Ag | Hydraulische Schaltungsanordnung, insbesondere für den Antrieb von Betonverteilermasten |
DE102009054217B4 (de) * | 2009-11-21 | 2020-09-03 | Robert Bosch Gmbh | Hydraulikanordnung |
-
2012
- 2012-05-04 DE DE201210207422 patent/DE102012207422A1/de not_active Withdrawn
-
2013
- 2013-05-03 KR KR1020130049809A patent/KR20130124432A/ko not_active Ceased
- 2013-05-06 CN CN201310161636.XA patent/CN103382952B/zh not_active Expired - Fee Related
- 2013-05-07 JP JP2013097411A patent/JP6188409B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104314921A (zh) * | 2014-07-09 | 2015-01-28 | 镇江四联机电科技有限公司 | 一种多功能液压伺服阀测试装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2013234756A (ja) | 2013-11-21 |
DE102012207422A1 (de) | 2013-11-07 |
CN103382952B (zh) | 2017-11-07 |
JP6188409B2 (ja) | 2017-08-30 |
CN103382952A (zh) | 2013-11-06 |
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Legal Events
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20130503 |
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PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20180503 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20130503 Comment text: Patent Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20190611 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20190903 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20190611 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |