DE69031475D1 - Regelungsanordnung einer hydraulischen pumpe für baumaschinen - Google Patents
Regelungsanordnung einer hydraulischen pumpe für baumaschinenInfo
- Publication number
- DE69031475D1 DE69031475D1 DE69031475T DE69031475T DE69031475D1 DE 69031475 D1 DE69031475 D1 DE 69031475D1 DE 69031475 T DE69031475 T DE 69031475T DE 69031475 T DE69031475 T DE 69031475T DE 69031475 D1 DE69031475 D1 DE 69031475D1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic pump
- control arrangement
- construction machinery
- machinery
- construction
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
-
- 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
- E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
-
- 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
- E02F9/2292—Systems with two or more pumps
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2203/00—Motor parameters
- F04B2203/02—Motor parameters of rotating electric motors
- F04B2203/0209—Rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2205/00—Fluid parameters
- F04B2205/05—Pressure after the pump outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/04—Settings
- F04B2207/041—Settings of flow
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1195276A JPH0826552B2 (ja) | 1989-07-27 | 1989-07-27 | 建設機械のポンプ吐出量制御システム |
PCT/JP1990/000964 WO1991002162A1 (en) | 1989-07-27 | 1990-07-27 | Hydraulic pump control device for construction machinery |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69031475D1 true DE69031475D1 (de) | 1997-10-23 |
DE69031475T2 DE69031475T2 (de) | 1998-04-23 |
Family
ID=16338469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69031475T Expired - Fee Related DE69031475T2 (de) | 1989-07-27 | 1990-07-27 | Regelungsanordnung einer hydraulischen pumpe für baumaschinen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5176504A (de) |
EP (1) | EP0667451B1 (de) |
JP (1) | JPH0826552B2 (de) |
KR (1) | KR0148560B1 (de) |
DE (1) | DE69031475T2 (de) |
WO (1) | WO1991002162A1 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2251232B (en) * | 1990-09-29 | 1995-01-04 | Samsung Heavy Ind | Automatic actuating system for actuators of excavator |
KR970001727B1 (ko) * | 1991-04-12 | 1997-02-14 | 히다찌 겐끼 가부시기가이샤 | 건설기계의 유압구동장치 |
JP2740353B2 (ja) * | 1991-04-12 | 1998-04-15 | 日立建機株式会社 | 建設機械の油圧駆動装置 |
JP2584268Y2 (ja) * | 1991-07-09 | 1998-10-30 | 小林 リタ | 補修材注入器具の取付座片 |
US5337561A (en) * | 1992-11-17 | 1994-08-16 | Flow International Corporation | Ultra high pressure multiple intensifier system |
US5447027A (en) * | 1993-03-23 | 1995-09-05 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive system for hydraulic working machines |
US5525043A (en) * | 1993-12-23 | 1996-06-11 | Caterpillar Inc. | Hydraulic power control system |
US5468126A (en) * | 1993-12-23 | 1995-11-21 | Caterpillar Inc. | Hydraulic power control system |
DE4405234C1 (de) * | 1994-02-18 | 1995-04-06 | Brueninghaus Hydraulik Gmbh | Vorrichtung zur Summenleistungsregelung von wenigstens zwei hydrostatischen Verstellpumpen |
JPH07238690A (ja) * | 1994-02-28 | 1995-09-12 | Toshiharu Osaka | モルタル層剥離剥落防止補修壁,その補修工法およびアンカーピン |
DE19538649C2 (de) * | 1995-10-17 | 2000-05-25 | Brueninghaus Hydromatik Gmbh | Leistungsregelung mit Load-Sensing |
JP3567051B2 (ja) * | 1996-06-12 | 2004-09-15 | 新キャタピラー三菱株式会社 | 油圧アクチュエータ用の操作制御装置 |
JP4136041B2 (ja) * | 1997-12-04 | 2008-08-20 | 日立建機株式会社 | 油圧作業機の油圧駆動装置 |
US6498973B2 (en) * | 2000-12-28 | 2002-12-24 | Case Corporation | Flow control for electro-hydraulic systems |
JP3775245B2 (ja) * | 2001-06-11 | 2006-05-17 | コベルコ建機株式会社 | 建設機械のポンプ制御装置 |
US7384183B2 (en) * | 2002-09-06 | 2008-06-10 | Global Ground Support, Llc | Mobile decontamination unit |
US6779340B2 (en) | 2002-09-25 | 2004-08-24 | Husco International, Inc. | Method of sharing flow of fluid among multiple hydraulic functions in a velocity based control system |
JP3985756B2 (ja) | 2003-09-05 | 2007-10-03 | コベルコ建機株式会社 | 建設機械の油圧制御回路 |
EP1607365B1 (de) * | 2004-06-18 | 2007-05-30 | Hiab AB | Hydraulischer Kran |
JP4410640B2 (ja) * | 2004-09-06 | 2010-02-03 | 株式会社小松製作所 | 作業車両のエンジンの負荷制御装置 |
US7962768B2 (en) | 2007-02-28 | 2011-06-14 | Caterpillar Inc. | Machine system having task-adjusted economy modes |
US8374755B2 (en) | 2007-07-31 | 2013-02-12 | Caterpillar Inc. | Machine with task-dependent control |
EP2055953B1 (de) * | 2007-11-01 | 2018-08-15 | Danfoss Power Solutions Aps | Fluid-Arbeitsmaschine |
EP2055942B1 (de) * | 2007-11-01 | 2012-06-06 | Sauer-Danfoss ApS | Hydraulisches System mit Zusatzpumpe |
US20100018796A1 (en) * | 2008-07-22 | 2010-01-28 | Trw Automotive U.S. Llc | Apparatus for controlling a power-assisted steering gear in response to vehicle conditions |
KR20110127343A (ko) * | 2010-05-19 | 2011-11-25 | 두산산업차량 주식회사 | 중장비 작업기의 상승속도 제어장치 |
US20120297758A1 (en) * | 2011-05-23 | 2012-11-29 | Caterpillar, Inc. | Large Displacement Variator |
US9841037B2 (en) | 2013-03-19 | 2017-12-12 | Doosan Infracore Co., Ltd. | Construction equipment hydraulic system and control method therefor |
US20170350096A1 (en) * | 2015-01-09 | 2017-12-07 | Volvo Construction Equipment Ab | Hydraulic pump control apparatus for construction equipment and control method thereof |
JP6710150B2 (ja) * | 2016-11-24 | 2020-06-17 | 日立建機株式会社 | 建設機械 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4395199A (en) * | 1979-10-15 | 1983-07-26 | Hitachi Construction Machinery Co., Ltd. | Control method of a system of internal combustion engine and hydraulic pump |
JPS57173533A (en) * | 1981-04-16 | 1982-10-25 | Hitachi Constr Mach Co Ltd | Controller of device containing internal combustion engine and oil hydraulic pump |
US4606313A (en) * | 1980-10-09 | 1986-08-19 | Hitachi Construction Machinery Co., Ltd. | Method of and system for controlling hydraulic power system |
GB2171757B (en) * | 1985-02-28 | 1989-06-14 | Komatsu Mfg Co Ltd | Method of controlling an output of an internal combustion engine and a variabledisplacement hydraulic pump driven by the engine |
JP2566751B2 (ja) * | 1985-02-28 | 1996-12-25 | 株式会社小松製作所 | エンジン駆動の可変容量型油圧ポンプの出力制御方法 |
NL8501896A (nl) * | 1985-07-02 | 1987-02-02 | Philips Nv | Digitaal-analoog omzetter. |
CN1010794B (zh) * | 1986-01-11 | 1990-12-12 | 日立建机株式会社 | 液压泵输入功率控制*** |
JPS63309789A (ja) * | 1987-06-12 | 1988-12-16 | Hitachi Constr Mach Co Ltd | 複数油圧ポンプの制御装置 |
JPS6424923A (en) * | 1987-07-20 | 1989-01-26 | Kobe Steel Ltd | Action controller for oil-pressure shovel |
US5048293A (en) * | 1988-12-29 | 1991-09-17 | Hitachi Construction Machinery Co., Ltd. | Pump controlling apparatus for construction machine |
-
1989
- 1989-07-27 JP JP1195276A patent/JPH0826552B2/ja not_active Expired - Lifetime
-
1990
- 1990-07-27 KR KR1019920700147A patent/KR0148560B1/ko not_active IP Right Cessation
- 1990-07-27 WO PCT/JP1990/000964 patent/WO1991002162A1/ja active IP Right Grant
- 1990-07-27 DE DE69031475T patent/DE69031475T2/de not_active Expired - Fee Related
- 1990-07-27 EP EP90910897A patent/EP0667451B1/de not_active Expired - Lifetime
- 1990-07-27 US US07/820,868 patent/US5176504A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1991002162A1 (en) | 1991-02-21 |
KR0148560B1 (ko) | 1999-03-20 |
EP0667451A1 (de) | 1995-08-16 |
JPH0826552B2 (ja) | 1996-03-13 |
DE69031475T2 (de) | 1998-04-23 |
KR920704014A (ko) | 1992-12-19 |
JPH0359227A (ja) | 1991-03-14 |
EP0667451B1 (de) | 1997-09-17 |
EP0667451A4 (de) | 1993-12-14 |
US5176504A (en) | 1993-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |