KR900011998A - 작업장치의 붐실린더용 유압시스템 - Google Patents

작업장치의 붐실린더용 유압시스템

Info

Publication number
KR900011998A
KR900011998A KR1019900000377A KR900000377A KR900011998A KR 900011998 A KR900011998 A KR 900011998A KR 1019900000377 A KR1019900000377 A KR 1019900000377A KR 900000377 A KR900000377 A KR 900000377A KR 900011998 A KR900011998 A KR 900011998A
Authority
KR
South Korea
Prior art keywords
hydraulic system
boom cylinder
work equipment
work
equipment
Prior art date
Application number
KR1019900000377A
Other languages
English (en)
Other versions
KR920007652B1 (ko
Inventor
가즈히로 스나무라
오사무 도미가와
도이찌 히라다
Original Assignee
히다찌 겡끼 가부시기가이샤
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 JP1007351A external-priority patent/JP2739225B2/ja
Priority claimed from JP1007353A external-priority patent/JP2688968B2/ja
Priority claimed from JP1007352A external-priority patent/JP2688967B2/ja
Application filed by 히다찌 겡끼 가부시기가이샤 filed Critical 히다찌 겡끼 가부시기가이샤
Publication of KR900011998A publication Critical patent/KR900011998A/ko
Application granted granted Critical
Publication of KR920007652B1 publication Critical patent/KR920007652B1/ko

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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/021—Installations or systems with accumulators used for damping
    • 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
    • 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
    • E02F9/2203—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
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
KR1019900000377A 1989-01-13 1990-01-13 작업장치의 붐실린더용 유압시스템 KR920007652B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP89-007351 1989-01-13
JP1007351A JP2739225B2 (ja) 1989-01-13 1989-01-13 作業装置のブームシリンダ用油圧回路
JP1007353A JP2688968B2 (ja) 1989-01-13 1989-01-13 作業装置のブームシリンダ用油圧回路
JP1007352A JP2688967B2 (ja) 1989-01-13 1989-01-13 作業装置のブームシリンダ用油圧回路
JP89-007353 1989-01-13
JP89-007352 1989-01-13

Publications (2)

Publication Number Publication Date
KR900011998A true KR900011998A (ko) 1990-08-02
KR920007652B1 KR920007652B1 (ko) 1992-09-14

Family

ID=27277570

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900000377A KR920007652B1 (ko) 1989-01-13 1990-01-13 작업장치의 붐실린더용 유압시스템

Country Status (4)

Country Link
US (1) US5048296A (ko)
EP (1) EP0378129B1 (ko)
KR (1) KR920007652B1 (ko)
DE (1) DE69014312T2 (ko)

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US5287699A (en) * 1990-01-16 1994-02-22 Kabushiki Kaisha Komatsu Seisakusho Automatic vibration method and device for hydraulic drilling machine
GB2250611B (en) * 1990-11-24 1995-05-17 Samsung Heavy Ind System for automatically controlling quantity of hydraulic fluid of an excavator
US5365737A (en) * 1992-08-19 1994-11-22 Komatsu Ltd. Hydraulically-operated equipment for construction machinery
JP3478931B2 (ja) * 1996-09-20 2003-12-15 新キャタピラー三菱株式会社 油圧回路
US5897287A (en) * 1996-09-25 1999-04-27 Case Corporation Electronic ride control system for off-road vehicles
US5890870A (en) * 1996-09-25 1999-04-06 Case Corporation Electronic ride control system for off-road vehicles
EP0985629B1 (de) * 1998-09-08 2001-07-25 Palfinger Aktiengesellschaft Kran
US6378653B1 (en) * 1998-12-28 2002-04-30 Kabushiki Kaisha Aichi Corporation Travel and rotation control device for boom lift
DE19939796C1 (de) 1999-08-21 2000-11-23 Orenstein & Koppel Ag Verfahren und Arbeitsmaschine zur Herstellung von Bodenflächen
EP1281000A1 (de) * 2000-05-11 2003-02-05 Bosch Rexroth AG Hydraulische steueranordnung
US6474064B1 (en) * 2000-09-14 2002-11-05 Case Corporation Hydraulic system and method for regulating pressure equalization to suppress oscillation in heavy equipment
US6634653B2 (en) * 2001-07-17 2003-10-21 Probir Chatterjea & Associates, Inc. Ride control system for construction equipment
US6640409B2 (en) * 2001-09-25 2003-11-04 Case Corporation Method for retrofitting a swing damping valve circuit to a work vehicle
US6941687B2 (en) 2001-09-25 2005-09-13 Cnh America Llc Electronic control for swing damping
US6705079B1 (en) * 2002-09-25 2004-03-16 Husco International, Inc. Apparatus for controlling bounce of hydraulically powered equipment
EP1496009B1 (de) * 2003-07-05 2007-09-05 Deere & Company Hydraulische Federung
US6959726B2 (en) * 2003-10-01 2005-11-01 Husco International, Inc. Valve assembly for attenuating bounce of hydraulically driven members of a machine
JP4108591B2 (ja) 2003-11-12 2008-06-25 株式会社カワサキプレシジョンマシナリ 揺戻り防止弁装置、ならびにこれを備える制御ユニットおよび流体圧設備
DE102004012382B4 (de) * 2004-03-13 2014-03-13 Deere & Company Hydraulische Anordnung
US7165395B2 (en) * 2005-02-11 2007-01-23 Deere & Company Semi-active ride control for a mobile machine
DE102005021887A1 (de) * 2005-05-04 2006-11-16 Kässbohrer Geländefahrzeug AG Verfahren sowie Vorrichtung zur Fahrstabilitätserhöhung von Kraftfahrzeugen
US7124579B1 (en) * 2005-05-09 2006-10-24 Eaton Corporation Anti jerk valve
US7278262B2 (en) * 2005-06-03 2007-10-09 Board Of Control Of Michigan Technological University Control system for suppression of boom or arm oscillation
WO2007022546A1 (en) * 2005-08-19 2007-02-22 Adolf Christiaan Ellis Control systems for earth working equipment
US9932721B2 (en) 2007-11-21 2018-04-03 Volvo Construction Equipment Ab System, working machine comprising the system, and method of springing an implement of a working machine during transport
US9777465B2 (en) 2009-09-04 2017-10-03 Philip Paull Apparatus and method for enhanced grading control
US9670641B2 (en) 2009-09-04 2017-06-06 Philip Paull Valve systems and method for enhanced grading control
US9611620B2 (en) 2009-09-04 2017-04-04 Philip Paull Apparatus and method for enhanced grading control
US8286652B2 (en) * 2009-09-22 2012-10-16 Eaton Corporation Configurable active jerk control
JP2011106591A (ja) * 2009-11-18 2011-06-02 Hitachi Constr Mach Co Ltd 建設機械の油圧駆動装置
CN102797787B (zh) * 2012-08-17 2013-11-20 中联重科股份有限公司 混凝土布料设备及其臂架振动抑制的方法、控制器和装置
EP3004470B1 (en) 2013-05-31 2018-03-14 Eaton Corporation Hydraulic system and method for reducing boom bounce with counter-balance protection
WO2015031821A1 (en) 2013-08-30 2015-03-05 Eaton Corporation Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations
CN105849421B (zh) 2013-11-14 2019-01-15 伊顿公司 用于减少动臂跳动的先导控制机构
US10316929B2 (en) 2013-11-14 2019-06-11 Eaton Intelligent Power Limited Control strategy for reducing boom oscillation
US10323663B2 (en) 2014-07-15 2019-06-18 Eaton Intelligent Power Limited Methods and apparatus to enable boom bounce reduction and prevent un-commanded motion in hydraulic systems
WO2016089476A1 (en) * 2014-11-14 2016-06-09 Philip Paull Valve systems and method for enhanced grading control
US10161112B2 (en) 2015-05-22 2018-12-25 Philip Paull Valve systems and method for enhanced grading control
CN104846863B (zh) * 2015-05-26 2017-05-31 齐齐哈尔大学 一种机械臂的自动平衡调节系统
JP7023931B2 (ja) * 2017-03-31 2022-02-22 住友重機械工業株式会社 ショベル
CN111542703B (zh) 2017-04-28 2022-12-06 丹佛斯动力系统Ii技术有限公司 具有用于抑制机器中的质量感应振动的运动传感器的系统
WO2018200696A1 (en) 2017-04-28 2018-11-01 Eaton Intelligent Power Limited Drift compensation system for drift related to damping of mass-induced vibration in machines
CN111542702B (zh) 2017-04-28 2022-09-23 丹佛斯动力系统Ii技术有限公司 用于抑制具有液压控制的吊杆或细长构件的机器中的质量感应振动的系统
CN110612371B (zh) * 2017-06-21 2022-06-24 住友重机械工业株式会社 挖土机
EP3814577B1 (en) 2018-06-29 2024-02-07 Danfoss A/S System and device for anticipating and correcting for over-center transitions in mobile hydraulic machine
JP7146530B2 (ja) 2018-08-31 2022-10-04 コベルコ建機株式会社 建設機械
KR20210068326A (ko) * 2018-10-03 2021-06-09 스미도모쥬기가이고교 가부시키가이샤 쇼벨
US11460052B2 (en) 2020-01-28 2022-10-04 Caterpillar Paving Products Inc. Hydraulic oscillation mitigation system for working machine

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CA707161A (en) * 1965-04-06 L. Freedy Allan Hydraulic circuit for tractor mounted loaders
DE1801135A1 (de) * 1968-10-04 1970-04-16 Maschf Augsburg Nuernberg Ag Zylinderdeckel fuer fluessigkeitsgekuehlte Brennkraftmaschinen
US3602102A (en) * 1970-03-19 1971-08-31 Westinghouse Electric Corp Fluid pressure actuator apparatus
SU817330A1 (ru) * 1976-10-07 1981-03-30 Предприятие П/Я В-2823 Гидравлический привод дорожно-строительнойМАшиНы
JPS55139503A (en) * 1979-04-18 1980-10-31 Shogo Tsukada Control system for hydraulic driving mechanism
US4244276A (en) * 1979-07-16 1981-01-13 Teijin Seiki Company Limited Hydraulic circuit
JPS6041602U (ja) * 1983-08-31 1985-03-23 株式会社小松製作所 ブレ−キ弁装置
US4586332A (en) * 1984-11-19 1986-05-06 Caterpillar Tractor Co. Hydraulic swing motor control circuit
DE3660226D1 (en) * 1985-02-04 1988-06-30 Hitachi Construction Machinery Control system for hydraulic circuit

Also Published As

Publication number Publication date
DE69014312D1 (de) 1995-01-12
EP0378129A1 (en) 1990-07-18
KR920007652B1 (ko) 1992-09-14
EP0378129B1 (en) 1994-11-30
DE69014312T2 (de) 1995-04-06
US5048296A (en) 1991-09-17

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20060908

Year of fee payment: 15

LAPS Lapse due to unpaid annual fee