DE60314178D1 - Verfahren und vorrichtung zum steuern von pumpendrehmoment für hydraulische baumaschine - Google Patents

Verfahren und vorrichtung zum steuern von pumpendrehmoment für hydraulische baumaschine

Info

Publication number
DE60314178D1
DE60314178D1 DE60314178T DE60314178T DE60314178D1 DE 60314178 D1 DE60314178 D1 DE 60314178D1 DE 60314178 T DE60314178 T DE 60314178T DE 60314178 T DE60314178 T DE 60314178T DE 60314178 D1 DE60314178 D1 DE 60314178D1
Authority
DE
Germany
Prior art keywords
engine
hydraulic pump
maximum absorption
sensors
absorption torque
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 - Lifetime
Application number
DE60314178T
Other languages
English (en)
Other versions
DE60314178T2 (de
Inventor
Kazunori Nakamura
Yoichi Kowatari
Kouji Ishikawa
Yasushi Arai
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of DE60314178D1 publication Critical patent/DE60314178D1/de
Application granted granted Critical
Publication of DE60314178T2 publication Critical patent/DE60314178T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F04B49/002—Hydraulic systems to change the pump delivery
    • 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • 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
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • 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
    • F04B49/065—Control using electricity and making use of computers
    • 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
    • F04B49/08—Regulating by delivery pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE60314178T 2002-12-11 2003-11-18 Verfahren und vorrichtung zum steuern von pumpendrehmoment für hydraulische baumaschine Expired - Lifetime DE60314178T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002359822 2002-12-11
JP2002359822A JP4322499B2 (ja) 2002-12-11 2002-12-11 油圧建設機械のポンプトルク制御方法及び装置
PCT/JP2003/014638 WO2004053332A1 (ja) 2002-12-11 2003-11-18 油圧建設機械のポンプトルク制御方法及び装置

Publications (2)

Publication Number Publication Date
DE60314178D1 true DE60314178D1 (de) 2007-07-12
DE60314178T2 DE60314178T2 (de) 2008-01-24

Family

ID=32500958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60314178T Expired - Lifetime DE60314178T2 (de) 2002-12-11 2003-11-18 Verfahren und vorrichtung zum steuern von pumpendrehmoment für hydraulische baumaschine

Country Status (8)

Country Link
US (1) US8162618B2 (de)
EP (1) EP1571339B1 (de)
JP (1) JP4322499B2 (de)
KR (1) KR100674696B1 (de)
CN (1) CN100520022C (de)
AT (1) ATE363598T1 (de)
DE (1) DE60314178T2 (de)
WO (1) WO2004053332A1 (de)

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KR102054520B1 (ko) * 2013-03-21 2020-01-22 두산인프라코어 주식회사 건설기계 유압시스템의 제어방법
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CN105102730B (zh) * 2013-04-12 2017-11-10 斗山英维高株式会社 工程机械的液压泵控制方法、装置及系统
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Also Published As

Publication number Publication date
US20050160727A1 (en) 2005-07-28
EP1571339A1 (de) 2005-09-07
EP1571339A4 (de) 2006-04-05
US8162618B2 (en) 2012-04-24
JP2004190582A (ja) 2004-07-08
CN100520022C (zh) 2009-07-29
DE60314178T2 (de) 2008-01-24
WO2004053332A1 (ja) 2004-06-24
EP1571339B1 (de) 2007-05-30
KR100674696B1 (ko) 2007-01-25
JP4322499B2 (ja) 2009-09-02
CN1692227A (zh) 2005-11-02
ATE363598T1 (de) 2007-06-15
KR20050004221A (ko) 2005-01-12

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