JPH1082368A - ローダの油圧装置 - Google Patents

ローダの油圧装置

Info

Publication number
JPH1082368A
JPH1082368A JP9200939A JP20093997A JPH1082368A JP H1082368 A JPH1082368 A JP H1082368A JP 9200939 A JP9200939 A JP 9200939A JP 20093997 A JP20093997 A JP 20093997A JP H1082368 A JPH1082368 A JP H1082368A
Authority
JP
Japan
Prior art keywords
oil passage
pump
branch
hydraulic
branch oil
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.)
Pending
Application number
JP9200939A
Other languages
English (en)
Japanese (ja)
Inventor
D Li Anatoli
リ アナトリ ディー
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.)
Samsung Heavy Industries Co Ltd
Original Assignee
Samsung Heavy Industries 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 Samsung Heavy Industries Co Ltd filed Critical Samsung Heavy Industries Co Ltd
Publication of JPH1082368A publication Critical patent/JPH1082368A/ja
Pending legal-status Critical Current

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • 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
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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
    • E02F9/2285—Pilot-operated systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP9200939A 1996-07-10 1997-07-10 ローダの油圧装置 Pending JPH1082368A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019960027837A KR100205568B1 (ko) 1996-07-10 1996-07-10 로우더의 유압장치
KR96-27837 1996-07-10

Publications (1)

Publication Number Publication Date
JPH1082368A true JPH1082368A (ja) 1998-03-31

Family

ID=19465927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9200939A Pending JPH1082368A (ja) 1996-07-10 1997-07-10 ローダの油圧装置

Country Status (5)

Country Link
JP (1) JPH1082368A (zh)
KR (1) KR100205568B1 (zh)
CN (1) CN1170831A (zh)
DE (1) DE19729167A1 (zh)
GB (1) GB2315102A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206421A (zh) * 2013-04-16 2013-07-17 三一重机有限公司 装载机及其液压***
CN113227587A (zh) * 2018-12-26 2021-08-06 潍柴动力股份有限公司 液压变量泵组及挖掘机

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4209705B2 (ja) * 2003-03-17 2009-01-14 日立建機株式会社 作業機の油圧回路
DE102008015729A1 (de) * 2007-12-28 2009-07-02 Robert Bosch Gmbh Regeneratives hydrostatisches Antriebssystem
JP5714703B2 (ja) * 2010-06-30 2015-05-07 ボルボ コンストラクション イクイップメント アーベー 建設機械の油圧ポンプ制御装置
CN102384115A (zh) * 2011-11-14 2012-03-21 上海电气液压气动有限公司 书籍压槽液压装置
CN102635144B (zh) * 2012-05-04 2014-06-11 山东理工大学 装载机液压***
CN113757203B (zh) * 2021-09-13 2022-04-15 徐工集团工程机械股份有限公司科技分公司 一种装载机电控液压***及装载机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1311188A (en) * 1970-06-18 1973-03-21 Wilkins B C Hydrostatic power transmission system
US3754400A (en) * 1972-04-20 1973-08-28 Deere & Co Variable pressure hydraulic system
FR2259256B1 (zh) * 1974-01-24 1977-06-10 Yumbo
DE3817218A1 (de) * 1987-06-11 1988-12-22 Mannesmann Ag Hydraulisches steuersystem fuer einen hydraulikbagger
JPH04210101A (ja) * 1990-11-30 1992-07-31 Komatsu Ltd 油圧回路
WO1993021395A1 (en) * 1992-04-20 1993-10-28 Hitachi Construction Machinery Co., Ltd. Hydraulic circuit device for construction machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206421A (zh) * 2013-04-16 2013-07-17 三一重机有限公司 装载机及其液压***
CN103206421B (zh) * 2013-04-16 2015-08-12 三一重机有限公司 装载机及其液压***
CN113227587A (zh) * 2018-12-26 2021-08-06 潍柴动力股份有限公司 液压变量泵组及挖掘机

Also Published As

Publication number Publication date
DE19729167A1 (de) 1998-01-15
KR980009964A (ko) 1998-04-30
GB9714578D0 (en) 1997-09-17
KR100205568B1 (ko) 1999-07-01
CN1170831A (zh) 1998-01-21
GB2315102A (en) 1998-01-21

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