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 PDF

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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
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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
Application number
KR1020130049809A
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English (en)
Korean (ko)
Inventor
볼프강 카우스
Original Assignee
로베르트 보쉬 게엠베하
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Publication date
Application filed by 로베르트 보쉬 게엠베하 filed Critical 로베르트 보쉬 게엠베하
Publication of KR20130124432A publication Critical patent/KR20130124432A/ko
Ceased legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B19/00Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2232Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/30Dredgers; 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
    • E02F3/32Dredgers; 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
    • E02F3/325Backhoes of the miniature type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2285Pilot-operated systems
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2278Hydraulic circuits
    • E02F9/2296Systems with a variable displacement pump
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165Servomotor 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00Transducers 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20546Type of pump variable capacity
    • F15B2211/20553Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/605Load sensing circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/60Circuit components or control therefor
    • F15B2211/65Methods of control of the load sensing pressure
    • F15B2211/654Methods 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)
KR1020130049809A 2012-05-04 2013-05-03 하중 감압부를 포함하는 유압 제어장치 및 이를 위한 유압 밸브 블록 Ceased KR20130124432A (ko)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

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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

Cited By (1)

* Cited by examiner, † Cited by third party
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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