DE602006018246D1 - Hydraulischer Kreislauf für schwere Baumaschinen - Google Patents

Hydraulischer Kreislauf für schwere Baumaschinen

Info

Publication number
DE602006018246D1
DE602006018246D1 DE602006018246T DE602006018246T DE602006018246D1 DE 602006018246 D1 DE602006018246 D1 DE 602006018246D1 DE 602006018246 T DE602006018246 T DE 602006018246T DE 602006018246 T DE602006018246 T DE 602006018246T DE 602006018246 D1 DE602006018246 D1 DE 602006018246D1
Authority
DE
Germany
Prior art keywords
hydraulic circuit
construction machinery
heavy construction
heavy
machinery
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.)
Active
Application number
DE602006018246T
Other languages
English (en)
Inventor
Toshimichi Ikeda
Yang Koo Lee
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
Application filed by Volvo Construction Equipment AB filed Critical Volvo Construction Equipment AB
Publication of DE602006018246D1 publication Critical patent/DE602006018246D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • 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
    • 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
    • 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
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • 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
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/20576—Systems with pumps with multiple pumps
    • 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
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128—Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE602006018246T 2005-12-09 2006-04-29 Hydraulischer Kreislauf für schwere Baumaschinen Active DE602006018246D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050120538A KR100665113B1 (ko) 2005-12-09 2005-12-09 중장비의 유압회로

Publications (1)

Publication Number Publication Date
DE602006018246D1 true DE602006018246D1 (de) 2010-12-30

Family

ID=37600839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006018246T Active DE602006018246D1 (de) 2005-12-09 2006-04-29 Hydraulischer Kreislauf für schwere Baumaschinen

Country Status (6)

Country Link
US (1) US7478531B2 (de)
EP (1) EP1795657B1 (de)
JP (1) JP4545113B2 (de)
KR (1) KR100665113B1 (de)
CN (1) CN100552239C (de)
DE (1) DE602006018246D1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100791105B1 (ko) 2006-05-23 2008-01-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 굴삭기 붐 속도 증속장치
KR20100012008A (ko) * 2008-07-26 2010-02-04 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 선회 속도 조정시스템이 구비된 파이프 레이어
KR20110077061A (ko) * 2009-12-30 2011-07-07 볼보 컨스트럭션 이큅먼트 에이비 오픈센터 방식의 굴삭기용 유압시스템의 선회모터 제어방법
DE102011119945A1 (de) * 2011-12-01 2013-06-06 Liebherr-Hydraulikbagger Gmbh Hydrauliksystem
WO2016163058A1 (ja) * 2015-04-07 2016-10-13 株式会社クボタ 作業機の油圧システム及びこの油圧システムを備えた作業機
US9663923B2 (en) * 2015-08-14 2017-05-30 Deere & Company Valve stack assembly
KR102388136B1 (ko) * 2016-05-18 2022-04-19 현대두산인프라코어(주) 건설 기계의 안전 시스템
JP7113599B2 (ja) * 2017-02-16 2022-08-05 住友重機械工業株式会社 ショベル
CN111637104B (zh) * 2020-04-22 2022-07-05 北京精密机电控制设备研究所 一种同轴模块化设计的三余度电静压伺服机构
US11198987B2 (en) * 2020-04-24 2021-12-14 Caterpillar Inc. Hydraulic circuit for a swing system in a machine
IT202200005456A1 (it) * 2022-03-21 2023-09-21 Cnh Ind Italia Spa Pala o scavatore

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1035141A (en) * 1964-05-07 1966-07-06 Priestman Brothers Improvements relating to civil engineering machines
DE1952034A1 (de) * 1969-10-15 1971-04-22 Linde Ag Steuereinrichtung fuer eine hydraulische Anlage und Ventil hierzu
JPS6315409Y2 (de) * 1980-06-24 1988-04-28
DE3102532C1 (de) * 1981-01-27 1982-09-30 O & K Orenstein & Koppel Ag, 1000 Berlin Schwenkantrieb fuer Foerdergeraete mit einem schwenkbaren Oberbau und einem schwenkbaren Verladebandausleger
JPS6255337A (ja) * 1985-08-30 1987-03-11 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧装置
JPS62284835A (ja) * 1986-06-03 1987-12-10 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧回路
JPS62284836A (ja) * 1986-06-03 1987-12-10 Sumitomo Heavy Ind Ltd 油圧シヨベルの油圧回路
JP2556697B2 (ja) * 1987-03-30 1996-11-20 三陽機器株式会社 ロ−ダのダンプ制御用油圧装置
JPH0230820A (ja) * 1988-07-21 1990-02-01 Kubota Ltd バックホウの油圧回路
JPH04149326A (ja) * 1990-10-12 1992-05-22 Yutani Heavy Ind Ltd 建設機械の油圧制御回路
JP2559022Y2 (ja) * 1992-12-21 1998-01-14 新キャタピラー三菱株式会社 建設機械の旋回用油圧回路
JP3564181B2 (ja) * 1994-12-12 2004-09-08 日立建機株式会社 油圧モータの駆動制御装置
JP3597693B2 (ja) * 1998-02-18 2004-12-08 日立建機株式会社 油圧駆動回路

Also Published As

Publication number Publication date
EP1795657B1 (de) 2010-11-17
EP1795657A3 (de) 2008-12-24
KR100665113B1 (ko) 2007-01-04
JP4545113B2 (ja) 2010-09-15
EP1795657A2 (de) 2007-06-13
JP2007162450A (ja) 2007-06-28
US20070130936A1 (en) 2007-06-14
CN1978921A (zh) 2007-06-13
CN100552239C (zh) 2009-10-21
US7478531B2 (en) 2009-01-20

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