DE112004001897B4 - Fahrschwingungsunterdrückungsvorrichtung für ein Arbeitsfahrzeug - Google Patents

Fahrschwingungsunterdrückungsvorrichtung für ein Arbeitsfahrzeug Download PDF

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Publication number
DE112004001897B4
DE112004001897B4 DE112004001897.8T DE112004001897T DE112004001897B4 DE 112004001897 B4 DE112004001897 B4 DE 112004001897B4 DE 112004001897 T DE112004001897 T DE 112004001897T DE 112004001897 B4 DE112004001897 B4 DE 112004001897B4
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Germany
Prior art keywords
valve
pressure
control valve
opening area
opening
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
DE112004001897.8T
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German (de)
English (en)
Other versions
DE112004001897T5 (de
Inventor
Norihide Mizoguchi
Hisashi Asada
Daisuke Kozuka
Kazunori Ikei
Shuuji Hori
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE112004001897T5 publication Critical patent/DE112004001897T5/de
Application granted granted Critical
Publication of DE112004001897B4 publication Critical patent/DE112004001897B4/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators
    • B60Y2200/415—Wheel loaders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
DE112004001897.8T 2003-10-10 2004-10-07 Fahrschwingungsunterdrückungsvorrichtung für ein Arbeitsfahrzeug Expired - Fee Related DE112004001897B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003-351449 2003-10-10
JP2003351449 2003-10-10
PCT/JP2004/014827 WO2005035883A1 (ja) 2003-10-10 2004-10-07 作業車両の走行振動抑制装置

Publications (2)

Publication Number Publication Date
DE112004001897T5 DE112004001897T5 (de) 2006-11-02
DE112004001897B4 true DE112004001897B4 (de) 2015-02-26

Family

ID=34431077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112004001897.8T Expired - Fee Related DE112004001897B4 (de) 2003-10-10 2004-10-07 Fahrschwingungsunterdrückungsvorrichtung für ein Arbeitsfahrzeug

Country Status (6)

Country Link
JP (1) JP4456078B2 (sv)
KR (1) KR100820447B1 (sv)
CN (1) CN1867737B (sv)
DE (1) DE112004001897B4 (sv)
SE (1) SE532253C2 (sv)
WO (1) WO2005035883A1 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
JP4539986B2 (ja) * 2005-12-15 2010-09-08 日立建機株式会社 作業車両の液圧制御装置
JP4855783B2 (ja) * 2006-01-16 2012-01-18 日立建機株式会社 走行振動抑制装置
JP4732254B2 (ja) * 2006-06-22 2011-07-27 東芝機械株式会社 浮き上がり防止機能を有する制御弁を備えた建設機械
EP1914353A3 (en) 2006-10-19 2011-04-20 Hitachi Construction Machinery Co., Ltd. Construction machine
EP2072692B1 (en) * 2007-12-21 2012-08-01 Caterpillar Inc. Machine having selective ride control
EP3239408B1 (en) * 2009-03-26 2018-10-31 Komatsu Ltd. Control method and control apparatus for work vehicle
DE102009029632A1 (de) * 2009-09-21 2011-03-24 Robert Bosch Gmbh Verfahren und Steuergerät zur Bestimmung einer variablen Arbeitshöhe eines mit einem Schwenkelement ausgerüsteten Arbeitsgerätes
EP2587073B1 (en) * 2010-06-22 2019-05-08 Hitachi Construction Machinery Co., Ltd. Hydraulic control device for working vehicle
DE112011105717T5 (de) * 2011-10-05 2014-07-03 Toyota Jidosha Kabushiki Kaisha Vorrichtung mit dynamischem Dämpfer
DE102012208307A1 (de) * 2012-05-18 2013-11-21 Robert Bosch Gmbh Dämpfungsvorrichtung
KR20160023710A (ko) * 2013-06-28 2016-03-03 볼보 컨스트럭션 이큅먼트 에이비 플로팅기능을 갖는 건설기계용 유압회로 및 플로팅기능 제어방법
US9567729B2 (en) 2014-09-30 2017-02-14 Kubota Corporation Working machine
JP6348394B2 (ja) * 2014-09-30 2018-06-27 株式会社クボタ 作業機
CA2983901C (en) 2015-04-29 2023-09-19 Clark Equipment Company Ride control system for power machine
US10030364B2 (en) * 2015-10-26 2018-07-24 Caterpillar Inc. Hydraulic system having automatic ride control
JP6672120B2 (ja) * 2016-03-31 2020-03-25 株式会社クボタ 作業機の油圧システム
KR102035607B1 (ko) * 2016-09-29 2019-10-23 히다찌 겐끼 가부시키가이샤 유압 구동 장치
EP3594507B1 (en) * 2017-03-10 2024-09-04 Sumitomo (S.H.I.) Construction Machinery Co., Ltd. Shovel
JP6858629B2 (ja) 2017-04-27 2021-04-14 川崎重工業株式会社 制振制御回路
JP6524312B2 (ja) * 2018-05-31 2019-06-05 株式会社クボタ 作業機
CN109488651A (zh) * 2018-12-19 2019-03-19 江苏徐工工程机械研究院有限公司 一种多路阀及电控系统
CN111750025B (zh) * 2019-03-29 2024-07-30 陈刚 一种电控液气支撑减振器
CN113775612A (zh) * 2021-09-18 2021-12-10 柳州柳工挖掘机有限公司 一种工程机械液压控制系统及工程机械

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08277548A (ja) * 1995-04-06 1996-10-22 Shin Caterpillar Mitsubishi Ltd 車両系建設機械における振動抑制装置
US5802847A (en) * 1994-05-07 1998-09-08 Mannesmann Rexroth Ag Hydraulic system for a mobile work device, in particular a wheel loader
WO2000058570A1 (de) * 1999-03-26 2000-10-05 Mannesmann Rexroth Ag Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine
US6351944B1 (en) * 1997-12-10 2002-03-05 Mannesmann Rexroth Ag Hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations
WO2003031734A1 (de) * 2001-10-04 2003-04-17 Hydac Technology Gmbh Steuervorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0662268B2 (ja) * 1989-04-21 1994-08-17 株式会社神戸製鋼所 移動式クレーンの変位抑制装置
CN2072546U (zh) * 1990-07-10 1991-03-06 李建启 可回收制动能量的液压挖掘机回转系统
JP2939090B2 (ja) * 1993-05-25 1999-08-25 日立建機株式会社 油圧作業機械の振動抑制装置
JPH10274271A (ja) * 1997-03-31 1998-10-13 Toyooki Kogyo Co Ltd 油圧ダンパ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5802847A (en) * 1994-05-07 1998-09-08 Mannesmann Rexroth Ag Hydraulic system for a mobile work device, in particular a wheel loader
JPH08277548A (ja) * 1995-04-06 1996-10-22 Shin Caterpillar Mitsubishi Ltd 車両系建設機械における振動抑制装置
US6351944B1 (en) * 1997-12-10 2002-03-05 Mannesmann Rexroth Ag Hydraulic control mechanism for a mobile machine tool, especially a wheel loader, for damping longitudinal oscillations
WO2000058570A1 (de) * 1999-03-26 2000-10-05 Mannesmann Rexroth Ag Lastfühlende hydraulische steueranordnung für eine mobile arbeitsmaschine
WO2003031734A1 (de) * 2001-10-04 2003-04-17 Hydac Technology Gmbh Steuervorrichtung

Also Published As

Publication number Publication date
CN1867737A (zh) 2006-11-22
WO2005035883A1 (ja) 2005-04-21
KR100820447B1 (ko) 2008-04-08
JPWO2005035883A1 (ja) 2007-11-22
CN1867737B (zh) 2010-04-28
DE112004001897T5 (de) 2006-11-02
JP4456078B2 (ja) 2010-04-28
SE0600799L (sv) 2006-05-29
SE532253C2 (sv) 2009-11-24
KR20060094961A (ko) 2006-08-30

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