DE69213880D1 - Hydraulisches steuerungssystem für baumaschine - Google Patents

Hydraulisches steuerungssystem für baumaschine

Info

Publication number
DE69213880D1
DE69213880D1 DE69213880T DE69213880T DE69213880D1 DE 69213880 D1 DE69213880 D1 DE 69213880D1 DE 69213880 T DE69213880 T DE 69213880T DE 69213880 T DE69213880 T DE 69213880T DE 69213880 D1 DE69213880 D1 DE 69213880D1
Authority
DE
Germany
Prior art keywords
control system
hydraulic control
construction machine
construction
machine
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
Application number
DE69213880T
Other languages
English (en)
Other versions
DE69213880T2 (de
Inventor
Gen Yasuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of DE69213880D1 publication Critical patent/DE69213880D1/de
Application granted granted Critical
Publication of DE69213880T2 publication Critical patent/DE69213880T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • F15B11/163—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for sharing the pump output equally amongst users or groups of users, e.g. using anti-saturation, pressure compensation
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • 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
    • F15B2211/30—Directional control
    • F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
    • F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and a single output member
    • 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
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6316—Electronic controllers using input signals representing a pressure the pressure being a pilot pressure
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position

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)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE69213880T 1991-05-09 1992-05-08 Hydraulisches steuerungssystem für baumaschine Expired - Fee Related DE69213880T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13217591 1991-05-09
PCT/JP1992/000589 WO1992019821A1 (en) 1991-05-09 1992-05-08 Hydraulic driving system in construction machine

Publications (2)

Publication Number Publication Date
DE69213880D1 true DE69213880D1 (de) 1996-10-24
DE69213880T2 DE69213880T2 (de) 1997-02-27

Family

ID=15075133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213880T Expired - Fee Related DE69213880T2 (de) 1991-05-09 1992-05-08 Hydraulisches steuerungssystem für baumaschine

Country Status (5)

Country Link
US (1) US5289679A (de)
EP (1) EP0537369B1 (de)
KR (1) KR970000492B1 (de)
DE (1) DE69213880T2 (de)
WO (1) WO1992019821A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446979A (en) * 1992-04-20 1995-09-05 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit system for civil engineering and construction machines
JPH0742705A (ja) * 1993-07-30 1995-02-10 Yutani Heavy Ind Ltd 作業機械の油圧装置
JP3179786B2 (ja) * 1993-11-30 2001-06-25 日立建機株式会社 油圧ポンプ制御装置
GB9416836D0 (en) * 1994-08-19 1994-10-12 Automotive Products Plc Fluid pressure supply system
JP3210221B2 (ja) * 1995-10-11 2001-09-17 新キャタピラー三菱株式会社 建設機械の制御回路
US6050090A (en) * 1996-06-11 2000-04-18 Kabushiki Kaisha Kobe Seiko Sho Control apparatus for hydraulic excavator
US6055851A (en) * 1996-08-12 2000-05-02 Hitachi Construction Machinery Co., Ltd. Apparatus for diagnosing failure of hydraulic pump for work machine
JP3854027B2 (ja) * 2000-01-12 2006-12-06 日立建機株式会社 油圧駆動装置
US7555898B2 (en) * 2004-08-02 2009-07-07 Komatsu Ltd. Control system and control method for fluid pressure actuator and fluid pressure machine
KR100641397B1 (ko) * 2005-09-15 2006-11-01 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 유압제어시스템
US20100158706A1 (en) * 2008-12-24 2010-06-24 Caterpillar Inc. Pressure change compensation arrangement for pump actuator
US8631650B2 (en) * 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
US8757208B2 (en) * 2009-12-10 2014-06-24 Hydraforce, Inc. Proportional motion control valve
US9429175B2 (en) 2010-05-11 2016-08-30 Parker-Hannifin Corporation Pressure compensated hydraulic system having differential pressure control
KR101778225B1 (ko) * 2010-07-19 2017-09-26 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 유압펌프 제어방법
EP2662576B1 (de) * 2011-01-06 2021-06-02 Hitachi Construction Machinery Tierra Co., Ltd. Hydraulischer antrieb einer arbeitsmaschine mit einer raupenlaufvorrichtung
US9003786B2 (en) * 2011-05-10 2015-04-14 Caterpillar Inc. Pressure limiting in hydraulic systems
DE102011106307A1 (de) * 2011-07-01 2013-01-03 Robert Bosch Gmbh Steueranordnung und Verfahren zum Ansteuern von mehreren hydraulischen Verbrauchern
US9702119B2 (en) * 2014-09-05 2017-07-11 Komatsu Ltd. Hydraulic excavator
KR102389687B1 (ko) * 2015-01-14 2022-04-22 현대두산인프라코어 주식회사 건설기계의 제어 시스템
JP6302601B2 (ja) * 2015-12-10 2018-03-28 川崎重工業株式会社 油圧駆動システム
IT201900021126A1 (it) * 2019-11-13 2021-05-13 Walvoil Spa Circuito idraulico con funzione combinata di compensazione e recupero energetico
WO2021242995A1 (en) * 2020-05-27 2021-12-02 Danfoss Power Solutions Inc. Control system for actuating lifting function
US11143211B1 (en) * 2021-01-29 2021-10-12 Cnh Industrial America Llc System and method for controlling hydraulic fluid flow within a work vehicle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083430A (en) * 1988-03-23 1992-01-28 Hitachi Construction Machinery Co., Ltd. Hydraulic driving apparatus
US5134853A (en) * 1988-05-10 1992-08-04 Hitachi Construction Machinery Co., Ltd. Hydraulic drive system for construction machines
JP2601890B2 (ja) * 1988-11-02 1997-04-16 日立建機株式会社 土木・建設機械の油圧駆動装置
KR940008638B1 (ko) * 1988-07-08 1994-09-24 히다찌 겐끼 가부시기가이샤 건설기계의 유압구동장치
JP2771235B2 (ja) * 1989-03-30 1998-07-02 日立建機株式会社 土木・建設機械の油圧駆動装置
KR940009219B1 (ko) * 1989-03-30 1994-10-01 히다찌 겐끼 가부시기가이샤 장궤식차량의 유압구동장치
JPH07103883B2 (ja) * 1989-04-17 1995-11-08 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
US5146747A (en) * 1989-08-16 1992-09-15 Hitachi Construction Machinery Co., Ltd. Valve apparatus and hydraulic circuit system

Also Published As

Publication number Publication date
EP0537369A1 (de) 1993-04-21
EP0537369A4 (de) 1994-04-27
US5289679A (en) 1994-03-01
DE69213880T2 (de) 1997-02-27
WO1992019821A1 (en) 1992-11-12
EP0537369B1 (de) 1996-09-18
KR970000492B1 (ko) 1997-01-13
KR930701669A (ko) 1993-06-12

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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