WO2008136195A1 - 油圧ユニット及びそれを備えた建設機械 - Google Patents

油圧ユニット及びそれを備えた建設機械 Download PDF

Info

Publication number
WO2008136195A1
WO2008136195A1 PCT/JP2008/001125 JP2008001125W WO2008136195A1 WO 2008136195 A1 WO2008136195 A1 WO 2008136195A1 JP 2008001125 W JP2008001125 W JP 2008001125W WO 2008136195 A1 WO2008136195 A1 WO 2008136195A1
Authority
WO
WIPO (PCT)
Prior art keywords
region
electric motor
unit
type pump
speed
Prior art date
Application number
PCT/JP2008/001125
Other languages
English (en)
French (fr)
Inventor
Toshiyuki Sakai
Kenichi Kawata
Original Assignee
Daikin Industries, 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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to EP08751650.6A priority Critical patent/EP2141361A4/en
Priority to CN2008800130648A priority patent/CN101663486B/zh
Priority to US12/598,360 priority patent/US8136271B2/en
Publication of WO2008136195A1 publication Critical patent/WO2008136195A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • 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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062—Control of propulsion units
    • E02F9/2075—Control of propulsion units of the hybrid type
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed

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)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

　　油圧ユニットは、可変容量型ポンプの容量を最大に保ち、電動機の回転数制御により流量を調整する第１領域Ａと、電動機の回転数を第１領域Ａよりも低い最低回転数に保ち、可変容量型ポンプの容量を変化させて流量を調整する第２領域Ｂと、第１領域Ａよりも可変容量型ポンプの吐出圧力が大きい範囲で、吐出圧力と電動機の最大軸トルクとから導かれる可変容量型ポンプの許容最大容量を保ちながら、電動機の回転数を最低回転数よりも大きい範囲で変化させて流量を調整する第３領域Ｃとの間で切り換えられる。
PCT/JP2008/001125 2007-05-02 2008-04-30 油圧ユニット及びそれを備えた建設機械 WO2008136195A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08751650.6A EP2141361A4 (en) 2007-05-02 2008-04-30 Hydraulic unit, and construction machine having the unit
CN2008800130648A CN101663486B (zh) 2007-05-02 2008-04-30 液压机构以及包括该液压机构的施工设备
US12/598,360 US8136271B2 (en) 2007-05-02 2008-04-30 Hydraulic unit and construction machine including the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-121372 2007-05-02
JP2007121372A JP4424370B2 (ja) 2007-05-02 2007-05-02 油圧ユニット及びそれを備えた建設機械

Publications (1)

Publication Number Publication Date
WO2008136195A1 true WO2008136195A1 (ja) 2008-11-13

Family

ID=39943316

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001125 WO2008136195A1 (ja) 2007-05-02 2008-04-30 油圧ユニット及びそれを備えた建設機械

Country Status (5)

Country Link
US (1) US8136271B2 (ja)
EP (1) EP2141361A4 (ja)
JP (1) JP4424370B2 (ja)
CN (1) CN101663486B (ja)
WO (1) WO2008136195A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130336812A1 (en) * 2010-12-22 2013-12-19 Robert Bosch Gmbh Hydraulic drive
EP2489878A4 (en) * 2009-10-14 2017-09-06 Kawasaki Jukogyo Kabushiki Kaisha Operating device and method for hydraulic pumps in hydraulic systems

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5125048B2 (ja) * 2006-09-29 2013-01-23 コベルコ建機株式会社 作業機械の旋回制御装置
JP5156312B2 (ja) * 2007-09-19 2013-03-06 株式会社小松製作所 エンジンの制御装置
WO2009157511A1 (ja) * 2008-06-27 2009-12-30 住友重機械工業株式会社 ハイブリッド式建設機械
WO2010082636A1 (ja) * 2009-01-16 2010-07-22 住友重機械工業株式会社 ハイブリッド式作業機械及びその制御方法
KR20120030083A (ko) * 2009-05-12 2012-03-27 이엘-포레스트 에이비 하이브리드 차량용 에너지 시스템
EP2626475A4 (en) * 2010-10-06 2017-09-13 Sumitomo Heavy Industries, Ltd. Hybrid working machine
KR101754423B1 (ko) * 2010-12-22 2017-07-20 두산인프라코어 주식회사 굴삭기의 유압펌프 제어방법
JP5509433B2 (ja) * 2011-03-22 2014-06-04 日立建機株式会社 ハイブリッド式建設機械及びこれに用いる補助制御装置
JP2013078169A (ja) * 2011-09-29 2013-04-25 Daikin Ind Ltd 油圧ユニット
CN102518167A (zh) * 2011-12-23 2012-06-27 三一重机有限公司 混合动力挖掘机回转控制装置及控制方法
JP5928065B2 (ja) * 2012-03-27 2016-06-01 コベルコ建機株式会社 制御装置及びこれを備えた建設機械
JP6019956B2 (ja) * 2012-09-06 2016-11-02 コベルコ建機株式会社 ハイブリッド建設機械の動力制御装置
EP2910788B1 (en) * 2014-02-25 2018-04-04 TACO ITALIA S.r.l. Method for controlling a pumping station within a fluid circulation system, related circulation system and pumping station for realizing said method
WO2015148900A1 (en) * 2014-03-28 2015-10-01 Eaton Corporation Speed control system for crane and winch applications
WO2015151917A1 (ja) * 2014-03-31 2015-10-08 住友建機株式会社 ショベル
BE1023392B1 (nl) * 2015-08-31 2017-03-01 Atlas Copco Airpower Naamloze Vennootschap Werkwijze voor het regelen van het toerental van een compressor in functie van het beschikbaar gasdebiet van een bron en sturing en compressor daarbij toegepast.
SE544986C2 (en) * 2019-04-05 2023-02-21 Epiroc Rock Drills Ab Method and system for controlling operation of a hydraulic system of a drilling rig
CN114688004B (zh) * 2022-03-16 2023-10-27 三一重机有限公司 流量分配方法、装置及作业机械

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130183U (ja) * 1986-02-12 1987-08-17
JPH0771372A (ja) * 1993-06-15 1995-03-14 Ishikawajima Constr Mach Co 粘性流体ポンプにおける圧油吐出量調整方法及び装置
JPH11336703A (ja) * 1998-05-26 1999-12-07 Yuhshin Co Ltd 油圧機器の制御装置
JP2003155760A (ja) * 2001-11-21 2003-05-30 Kobelco Contstruction Machinery Ltd 作業機械のアクチュエータ駆動装置
JP2003172302A (ja) * 2001-12-06 2003-06-20 Yuken Kogyo Co Ltd インバータ駆動油圧ユニット
JP2006017195A (ja) * 2004-06-30 2006-01-19 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 建設機械の制御装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4637781A (en) * 1984-03-30 1987-01-20 Kabushiki Kaisha Komatsu Seisakusho Torque regulating system for fluid operated pump displacement control systems
US4801247A (en) * 1985-09-02 1989-01-31 Yuken Kogyo Kabushiki Kaisha Variable displacement piston pump
JPH0661705B2 (ja) 1985-12-03 1994-08-17 株式会社東日製作所 マ−カ−付きトルクレンチ
US5240380A (en) * 1991-05-21 1993-08-31 Sundstrand Corporation Variable speed control for centrifugal pumps
CA2213457C (en) * 1995-03-14 2005-05-24 The Boeing Company Aircraft hydraulic pump control system
US5957213A (en) * 1996-05-30 1999-09-28 Clark Equipment Company Intelligent attachment to a power tool
JP2986471B2 (ja) 1999-01-22 1999-12-06 株式会社小松製作所 建設機械の制御装置
US6374602B1 (en) * 1999-03-16 2002-04-23 Caterpillar Inc. Control system for a hydraulic transformer having variable pressure input
JP4635282B2 (ja) * 1999-09-24 2011-02-23 ダイキン工業株式会社 自律形インバータ駆動油圧ユニット
JP4512283B2 (ja) * 2001-03-12 2010-07-28 株式会社小松製作所 ハイブリッド式建設機械
JP2004011168A (ja) * 2002-06-04 2004-01-15 Komatsu Ltd 建設機械
JP2004150304A (ja) * 2002-10-29 2004-05-27 Komatsu Ltd エンジンの制御装置
JP4341232B2 (ja) * 2002-11-15 2009-10-07 ダイキン工業株式会社 自律型インバータ駆動油圧ユニットの昇温制御方法およびその装置
JP4413122B2 (ja) * 2004-10-13 2010-02-10 日立建機株式会社 油圧建設機械の制御装置
US7146808B2 (en) * 2004-10-29 2006-12-12 Caterpillar Inc Hydraulic system having priority based flow control
US7562472B2 (en) * 2005-06-02 2009-07-21 Caterpillar Japan Ltd. Work machine
JP4851802B2 (ja) * 2006-02-01 2012-01-11 日立建機株式会社 建設機械の旋回駆動装置
JP2008121659A (ja) * 2006-10-20 2008-05-29 Kobelco Contstruction Machinery Ltd ハイブリッド作業機械
EP1961869B1 (en) * 2007-02-21 2018-10-10 Kobelco Construction Machinery Co., Ltd. Rotation control device and working machine therewith

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130183U (ja) * 1986-02-12 1987-08-17
JPH0771372A (ja) * 1993-06-15 1995-03-14 Ishikawajima Constr Mach Co 粘性流体ポンプにおける圧油吐出量調整方法及び装置
JPH11336703A (ja) * 1998-05-26 1999-12-07 Yuhshin Co Ltd 油圧機器の制御装置
JP2003155760A (ja) * 2001-11-21 2003-05-30 Kobelco Contstruction Machinery Ltd 作業機械のアクチュエータ駆動装置
JP2003172302A (ja) * 2001-12-06 2003-06-20 Yuken Kogyo Co Ltd インバータ駆動油圧ユニット
JP2006017195A (ja) * 2004-06-30 2006-01-19 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 建設機械の制御装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2141361A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2489878A4 (en) * 2009-10-14 2017-09-06 Kawasaki Jukogyo Kabushiki Kaisha Operating device and method for hydraulic pumps in hydraulic systems
US20130336812A1 (en) * 2010-12-22 2013-12-19 Robert Bosch Gmbh Hydraulic drive

Also Published As

Publication number Publication date
US8136271B2 (en) 2012-03-20
JP4424370B2 (ja) 2010-03-03
EP2141361A1 (en) 2010-01-06
JP2008274887A (ja) 2008-11-13
EP2141361A4 (en) 2017-01-25
US20100115800A1 (en) 2010-05-13
CN101663486B (zh) 2012-11-07
CN101663486A (zh) 2010-03-03

Similar Documents

Publication Publication Date Title
WO2008136195A1 (ja) 油圧ユニット及びそれを備えた建設機械
EP2444299A3 (en) Hydraulic power steering system
WO2008090890A1 (ja) 建設機械のポンプ制御装置
WO2008090761A1 (ja) 油圧駆動装置
EP2156007A4 (en) Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore
WO2011073774A3 (en) Piecewise hydraulic power transmission system
EP1995155A3 (en) Traveling device for crawler type heavy equipment
GB2512536A (en) Power generating system and hydraulic control system
WO2009038017A1 (ja) エンジンの制御装置
WO2008120682A1 (ja) 建設機械および建設機械の制御方法
JP2012082643A5 (ja)
WO2013003049A3 (en) Energy recovery system having accumulator and variable relief
WO2012000066A8 (en) Method for controlling a compressor element of a screw compressor
WO2011148652A3 (en) Power generating apparatus of renewable energy type and method of operating the same
WO2009004623A3 (en) Self-contained hydraulic actuator system
WO2011069494A3 (de) Kontinuierlich fördernde infusionspumpe
JP2008223755A (ja) オイルポンプにおける圧力制御装置
WO2016171545A3 (en) Control system for a continuously variable transmission
ATE551565T1 (de) Entlastungsventil
WO2010074507A3 (ko) 건설기계의 유압펌프 제어장치
EP2112378A3 (en) Variable Displacement Vane Pump
WO2010140815A3 (ko) 건설기계의 선회제어장치 및 선회제어방법
WO2010112108A3 (de) Schraubenspindelpumpenanordnung
WO2011065711A3 (ko) 자동펌프 및 그 운전 제어방법
WO2010075141A3 (en) Adaptive underspeed control

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880013064.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08751650

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2008751650

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 12598360

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE