JP3958408B2 - チルト優先機構を有する制御システム及びチルトを優先する方法 - Google Patents

チルト優先機構を有する制御システム及びチルトを優先する方法 Download PDF

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Publication number
JP3958408B2
JP3958408B2 JP19425897A JP19425897A JP3958408B2 JP 3958408 B2 JP3958408 B2 JP 3958408B2 JP 19425897 A JP19425897 A JP 19425897A JP 19425897 A JP19425897 A JP 19425897A JP 3958408 B2 JP3958408 B2 JP 3958408B2
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JP
Japan
Prior art keywords
tilt
control
circuit
control signal
lift
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
JP19425897A
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English (en)
Japanese (ja)
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JPH1082075A5 (enExample
JPH1082075A (ja
Inventor
ダブリュ．コーラー ダグラス
ジェイ．クローン ジョン
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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Publication of JPH1082075A publication Critical patent/JPH1082075A/ja
Publication of JPH1082075A5 publication Critical patent/JPH1082075A5/ja
Application granted granted Critical
Publication of JP3958408B2 publication Critical patent/JP3958408B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Feedback Control In General (AREA)
JP19425897A 1996-07-19 1997-07-18 チルト優先機構を有する制御システム及びチルトを優先する方法 Expired - Fee Related JP3958408B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/684074 1996-07-19
US08/684,074 US5678470A (en) 1996-07-19 1996-07-19 Tilt priority scheme for a control system

Publications (3)

Publication Number Publication Date
JPH1082075A JPH1082075A (ja) 1998-03-31
JPH1082075A5 JPH1082075A5 (enExample) 2005-05-19
JP3958408B2 true JP3958408B2 (ja) 2007-08-15

Family

ID=24746591

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19425897A Expired - Fee Related JP3958408B2 (ja) 1996-07-19 1997-07-18 チルト優先機構を有する制御システム及びチルトを優先する方法

Country Status (3)

Country Link
US (1) US5678470A (enExample)
JP (1) JP3958408B2 (enExample)
DE (1) DE19730779B4 (enExample)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5878363A (en) * 1996-07-19 1999-03-02 Caterpillar Inc. Control to improve dump while lifting
US5960695A (en) * 1997-04-25 1999-10-05 Caterpillar Inc. System and method for controlling an independent metering valve
DE19836843A1 (de) * 1998-08-14 2000-02-17 Schloemann Siemag Ag Vorrichtung zum hydraulischen Anstellen der Rollen von Strangführungssegmenten einer Stranggießanlage
DE19982944T1 (de) 1998-12-22 2001-04-26 Caterpillar Inc Werkzeugerkennungs- und -steuersystem für eine Arbeitsmaschine
US6502393B1 (en) * 2000-09-08 2003-01-07 Husco International, Inc. Hydraulic system with cross function regeneration
US6502498B2 (en) 2001-04-23 2003-01-07 Caterpillar Inc Method and apparatus for lifting a work implement attached to a work machine
US7121189B2 (en) * 2004-09-29 2006-10-17 Caterpillar Inc. Electronically and hydraulically-actuated drain value
US7204084B2 (en) * 2004-10-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7441404B2 (en) * 2004-11-30 2008-10-28 Caterpillar Inc. Configurable hydraulic control system
US7451685B2 (en) * 2005-03-14 2008-11-18 Husco International, Inc. Hydraulic control system with cross function regeneration
US7204185B2 (en) * 2005-04-29 2007-04-17 Caterpillar Inc Hydraulic system having a pressure compensator
US7243493B2 (en) * 2005-04-29 2007-07-17 Caterpillar Inc Valve gradually communicating a pressure signal
US7302797B2 (en) * 2005-05-31 2007-12-04 Caterpillar Inc. Hydraulic system having a post-pressure compensator
US7194856B2 (en) * 2005-05-31 2007-03-27 Caterpillar Inc Hydraulic system having IMV ride control configuration
US7331175B2 (en) * 2005-08-31 2008-02-19 Caterpillar Inc. Hydraulic system having area controlled bypass
US7210396B2 (en) * 2005-08-31 2007-05-01 Caterpillar Inc Valve having a hysteretic filtered actuation command
US7614336B2 (en) * 2005-09-30 2009-11-10 Caterpillar Inc. Hydraulic system having augmented pressure compensation
US20100043418A1 (en) * 2005-09-30 2010-02-25 Caterpillar Inc. Hydraulic system and method for control
US7320216B2 (en) * 2005-10-31 2008-01-22 Caterpillar Inc. Hydraulic system having pressure compensated bypass
US7905088B2 (en) * 2006-11-14 2011-03-15 Incova Technologies, Inc. Energy recovery and reuse techniques for a hydraulic system
US7823379B2 (en) * 2006-11-14 2010-11-02 Husco International, Inc. Energy recovery and reuse methods for a hydraulic system
US8479504B2 (en) * 2007-05-31 2013-07-09 Caterpillar Inc. Hydraulic system having an external pressure compensator
US20080295681A1 (en) * 2007-05-31 2008-12-04 Caterpillar Inc. Hydraulic system having an external pressure compensator
US7621211B2 (en) * 2007-05-31 2009-11-24 Caterpillar Inc. Force feedback poppet valve having an integrated pressure compensator
US7908853B2 (en) * 2007-09-28 2011-03-22 Caterpillar Inc. Hydraulic balancing for steering management
US7748279B2 (en) * 2007-09-28 2010-07-06 Caterpillar Inc Hydraulics management for bounded implements
US8209094B2 (en) * 2008-01-23 2012-06-26 Caterpillar Inc. Hydraulic implement system having boom priority
US8631650B2 (en) 2009-09-25 2014-01-21 Caterpillar Inc. Hydraulic system and method for control
JP5485007B2 (ja) * 2010-05-07 2014-05-07 日立建機株式会社 作業車両の油圧制御装置
US8893818B2 (en) 2010-12-17 2014-11-25 Caterpillar Inc. Hydraulic system having dual tilt blade control
US9429174B1 (en) 2013-03-15 2016-08-30 Clark Equipment Company Enabling valve having separate float and lift down positions
US9629299B2 (en) * 2014-08-05 2017-04-25 Deere & Company Front attachment control system
DE102018207158A1 (de) * 2018-05-08 2019-11-14 Robert Bosch Gmbh Hydraulische Steueranordnung für eine Anordnung mobiler Arbeitsmaschinen und Anordnung mobiler Arbeitsmaschinen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5817202A (ja) * 1981-07-24 1983-02-01 Hitachi Constr Mach Co Ltd 油圧回路の制御方法
US5287699A (en) * 1990-01-16 1994-02-22 Kabushiki Kaisha Komatsu Seisakusho Automatic vibration method and device for hydraulic drilling machine
US5249421A (en) * 1992-01-13 1993-10-05 Caterpillar Inc. Hydraulic control apparatus with mode selection
JPH0694007A (ja) * 1992-09-08 1994-04-05 Komatsu Ltd 油圧駆動機械の制御装置
JP3235838B2 (ja) * 1993-05-07 2001-12-04 日立建機株式会社 油圧機械の駆動制御装置
KR950001445A (ko) * 1993-06-30 1995-01-03 경주현 굴삭기의 스윙, 붐의 속도비 유지방법
US5490384A (en) * 1994-12-08 1996-02-13 Caterpillar Inc. Hydraulic flow priority system
US5564274A (en) * 1995-12-13 1996-10-15 Caterpillar Inc. Cold oil protection circuit for a hydraulic system

Also Published As

Publication number Publication date
DE19730779B4 (de) 2007-07-12
US5678470A (en) 1997-10-21
JPH1082075A (ja) 1998-03-31
DE19730779A1 (de) 1998-01-22

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