FR2842225B1 - Circuit hydraulique pour une combinaison de verin de fleche ayant une fonction flotteur - Google Patents

Circuit hydraulique pour une combinaison de verin de fleche ayant une fonction flotteur

Info

Publication number
FR2842225B1
FR2842225B1 FR0307136A FR0307136A FR2842225B1 FR 2842225 B1 FR2842225 B1 FR 2842225B1 FR 0307136 A FR0307136 A FR 0307136A FR 0307136 A FR0307136 A FR 0307136A FR 2842225 B1 FR2842225 B1 FR 2842225B1
Authority
FR
France
Prior art keywords
hopper
arrow
combination
hydraulic circuit
float function
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
FR0307136A
Other languages
English (en)
Other versions
FR2842225A1 (fr
Inventor
Jin Wook Kim
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.)
Volvo Construction Equipment AB
Original Assignee
Volvo Construction Equipment AB
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
Priority claimed from KR1020020033353A external-priority patent/KR100559289B1/ko
Priority claimed from KR1020020048930A external-priority patent/KR100621977B1/ko
Application filed by Volvo Construction Equipment AB filed Critical Volvo Construction Equipment AB
Publication of FR2842225A1 publication Critical patent/FR2842225A1/fr
Application granted granted Critical
Publication of FR2842225B1 publication Critical patent/FR2842225B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267Valves or distributors
    • 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
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • 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
    • E02F9/2217Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271Actuators and supports therefor and protection therefor
    • 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
    • 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
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/024Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative 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
    • 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
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/021Valves for interconnecting the fluid chambers of an actuator
    • 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
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401Valve members; Fluid interconnections therefor
    • F15B13/0402Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F15B13/0403Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
    • 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
    • F15B2211/20576Systems with pumps with multiple pumps
    • 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
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30525Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/30565Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • 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
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3105Neutral or centre positions
    • F15B2211/3116Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/30Directional control
    • F15B2211/31Directional control characterised by the positions of the valve element
    • F15B2211/3122Special positions other than the pump port being connected to working ports or the working ports being connected to the return line
    • F15B2211/3127Floating position connecting the working ports and the return line
    • 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
    • F15B2211/30Directional control
    • F15B2211/315Directional control characterised by the connections of the valve or valves in the circuit
    • F15B2211/3157Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
    • F15B2211/31576Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
    • 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
    • F15B2211/30Directional control
    • F15B2211/32Directional control characterised by the type of actuation
    • F15B2211/329Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/88Control measures for saving energy

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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
FR0307136A 2002-06-14 2003-06-13 Circuit hydraulique pour une combinaison de verin de fleche ayant une fonction flotteur Expired - Fee Related FR2842225B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020033353A KR100559289B1 (ko) 2002-06-14 2002-06-14 플로트 기능을 갖는 붐합류용 유압회로
KR1020020048930A KR100621977B1 (ko) 2002-08-19 2002-08-19 플로트 기능을 갖는 붐합류용 유압회로

Publications (2)

Publication Number Publication Date
FR2842225A1 FR2842225A1 (fr) 2004-01-16
FR2842225B1 true FR2842225B1 (fr) 2006-08-11

Family

ID=36729324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0307136A Expired - Fee Related FR2842225B1 (fr) 2002-06-14 2003-06-13 Circuit hydraulique pour une combinaison de verin de fleche ayant une fonction flotteur

Country Status (7)

Country Link
US (1) US6892535B2 (fr)
JP (1) JP3742632B2 (fr)
CN (1) CN1246541C (fr)
DE (1) DE10327132B4 (fr)
FR (1) FR2842225B1 (fr)
GB (1) GB2391268B (fr)
IT (1) ITMI20031183A1 (fr)

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KR101265342B1 (ko) 2006-12-22 2013-05-20 두산인프라코어 주식회사 굴삭기의 수평 다림질 및 법면 작업성 개선장치
KR100929420B1 (ko) * 2006-12-28 2009-12-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 굴삭기의 붐 충격 완화장치 및 그 제어방법
KR100929421B1 (ko) * 2007-10-22 2009-12-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비용 유압제어밸브
DE102008039420B4 (de) * 2008-08-13 2011-04-28 Prettl, Rolf Fluidwegeventil
KR101112133B1 (ko) * 2009-06-16 2012-02-22 볼보 컨스트럭션 이큅먼트 에이비 플로트 기능을 갖는 건설장비용 유압시스템
CN102182716A (zh) * 2011-05-21 2011-09-14 湖南山河智能机械股份有限公司 一种油压驱动控制装置
CN102383457B (zh) * 2011-08-30 2013-06-05 昆山航天智能技术有限公司 一种液压挖掘机流量饱和动态分配***
CN104053843B (zh) * 2011-10-27 2016-06-22 沃尔沃建造设备有限公司 设置有致动器冲击降低***的混合动力挖掘机
JP5956179B2 (ja) * 2012-02-23 2016-07-27 株式会社小松製作所 油圧駆動システム
JP5758348B2 (ja) * 2012-06-15 2015-08-05 住友建機株式会社 建設機械の油圧回路
US20150315768A1 (en) * 2012-12-20 2015-11-05 Volvo Construction Equipment Ab Construction machine with floating function
US9725882B2 (en) * 2013-01-24 2017-08-08 Volvo Construction Equipment Ab Device and method for controlling flow rate in construction machinery
KR101936329B1 (ko) 2013-11-18 2019-01-08 현대건설기계 주식회사 건설장비
WO2014208795A1 (fr) * 2013-06-28 2014-12-31 볼보 컨스트럭션 이큅먼트 에이비 Circuit hydraulique pour engins de construction possédant une fonction de flottement et procédé de commande de la fonction flottante
CN103469835B (zh) * 2013-09-05 2015-12-02 南京工业大学 一种具有能量回收和转换的挖掘机油液混合动力控制***
CN103541395B (zh) * 2013-09-26 2016-04-13 徐州徐工挖掘机械有限公司 一种液压挖掘机节能控制***
WO2015178317A1 (fr) * 2014-05-19 2015-11-26 住友重機械工業株式会社 Pelle mécanique, et procédé de commande de celle-ci
AT516181B1 (de) * 2014-10-08 2016-03-15 Weber Hydraulik Gmbh Hydraulikaggregat
EP3280847B1 (fr) * 2015-04-10 2020-10-21 Volvo Construction Equipment AB Système hydraulique de détection de charge pour engin de chantier, et procédé de commande de système hydraulique de détection de charge
JP6084264B1 (ja) * 2015-09-28 2017-02-22 Kyb株式会社 スプール弁装置
JP6650863B2 (ja) * 2016-11-16 2020-02-19 株式会社クボタ 制御弁及びこの制御弁を備えた作業車
KR102559751B1 (ko) * 2017-12-07 2023-07-25 스미토모 겐키 가부시키가이샤 쇼벨
JP6949783B2 (ja) * 2018-06-27 2021-10-13 株式会社クボタ 作業機の油圧システム
CN108797696A (zh) * 2018-07-06 2018-11-13 佛山信卓派思机械科技有限公司 一种挖掘机操作模式切换控制阀
JP7262200B2 (ja) * 2018-10-12 2023-04-21 ナブテスコ株式会社 方向切換弁
JP7208701B2 (ja) * 2018-12-13 2023-01-19 キャタピラー エス エー アール エル 建設機械の油圧制御回路
WO2020204236A1 (fr) * 2019-04-05 2020-10-08 볼보 컨스트럭션 이큅먼트 에이비 Machine hydraulique
JP7492815B2 (ja) * 2019-09-03 2024-05-30 ナブテスコ株式会社 流体制御弁、流体システム、建設機械および制御方法
GB2593488B (en) * 2020-03-24 2024-05-22 Bamford Excavators Ltd Hydraulic system
CN111501893A (zh) * 2020-04-30 2020-08-07 徐州徐工挖掘机械有限公司 负流量液压***和挖掘机
CN113294397B (zh) * 2021-04-13 2024-02-09 中铁工程装备集团有限公司 一种管片吊机及盾构机

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Also Published As

Publication number Publication date
DE10327132B4 (de) 2007-10-18
JP3742632B2 (ja) 2006-02-08
GB2391268A (en) 2004-02-04
GB2391268B (en) 2005-12-14
DE10327132A1 (de) 2004-02-12
GB0313379D0 (en) 2003-07-16
US20030230082A1 (en) 2003-12-18
CN1470717A (zh) 2004-01-28
ITMI20031183A1 (it) 2003-12-15
CN1246541C (zh) 2006-03-22
JP2004019437A (ja) 2004-01-22
US6892535B2 (en) 2005-05-17
FR2842225A1 (fr) 2004-01-16
ITMI20031183A0 (it) 2003-06-12

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