DE602004012700D1 - Steuersystem eines Stempels eines Radladers - Google Patents

Steuersystem eines Stempels eines Radladers

Info

Publication number
DE602004012700D1
DE602004012700D1 DE602004012700T DE602004012700T DE602004012700D1 DE 602004012700 D1 DE602004012700 D1 DE 602004012700D1 DE 602004012700 T DE602004012700 T DE 602004012700T DE 602004012700 T DE602004012700 T DE 602004012700T DE 602004012700 D1 DE602004012700 D1 DE 602004012700D1
Authority
DE
Germany
Prior art keywords
stamp
control system
wheel loader
loader
wheel
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.)
Active
Application number
DE602004012700T
Other languages
English (en)
Other versions
DE602004012700T2 (de
Inventor
Dong Jae Lee
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.)
Hyundai Doosan Infracore Co Ltd
Original Assignee
Doosan Infracore 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 Doosan Infracore Co Ltd filed Critical Doosan Infracore Co Ltd
Publication of DE602004012700D1 publication Critical patent/DE602004012700D1/de
Application granted granted Critical
Publication of DE602004012700T2 publication Critical patent/DE602004012700T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E02F9/22—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
    • 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
    • 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
    • E02F9/226—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
DE602004012700T 2003-12-29 2004-12-28 Steuersystem eines Stempels eines Radladers Active DE602004012700T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030098611A KR100988420B1 (ko) 2003-12-29 2003-12-29 휠타입 굴삭기의 램실린더 제어장치
KR2003098611 2003-12-29

Publications (2)

Publication Number Publication Date
DE602004012700D1 true DE602004012700D1 (de) 2008-05-08
DE602004012700T2 DE602004012700T2 (de) 2009-04-16

Family

ID=34567846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004012700T Active DE602004012700T2 (de) 2003-12-29 2004-12-28 Steuersystem eines Stempels eines Radladers

Country Status (5)

Country Link
EP (1) EP1550774B1 (de)
JP (1) JP2005194870A (de)
KR (1) KR100988420B1 (de)
CN (1) CN100591871C (de)
DE (1) DE602004012700T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100753988B1 (ko) * 2006-06-09 2007-08-31 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 건설중장비용 엑슬 록킹 실린더 구조
JP4944537B2 (ja) * 2006-08-09 2012-06-06 日立建機株式会社 油圧駆動車両の走行制御装置
DE102007018405B4 (de) * 2007-04-17 2022-09-15 Alpha Fluid Hydrauliksysteme Müller GmbH Elektrohydraulische Ansteuerung
CN102338134B (zh) * 2011-10-24 2013-08-21 中联重科股份有限公司 混凝土泵送设备及其泵送油缸的换向控制方法
KR102042285B1 (ko) * 2013-12-26 2019-11-27 두산인프라코어 주식회사 휠 타입 건설기계의 램실린더 제어 장치 및 그 방법
US9663335B2 (en) * 2014-08-27 2017-05-30 Caterpillar Inc. Hydraulic winch control system and method
CN105351272B (zh) * 2015-12-11 2017-05-24 重庆纳川山隅重工设备有限公司 液压凿岩钻机的自适应阀组
KR102533655B1 (ko) * 2016-09-05 2023-05-17 에이치디현대인프라코어 주식회사 건설 기계

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114610A (en) * 1979-02-21 1980-09-04 Kubota Ltd Working car
NL8200556A (nl) * 1982-02-13 1983-09-01 Rotterdamsche Droogdok Mij Voertuig.
US4835970A (en) * 1985-08-13 1989-06-06 Nissan Motor Co. Ltd. Pneumatic power brake system
JPS6361621A (ja) 1986-09-02 1988-03-17 Hitachi Constr Mach Co Ltd 作業車両のラムロツク制御装置
JP2937329B2 (ja) * 1987-10-26 1999-08-23 日立建機株式会社 作業車両のラムロック制御装置
JPH0662269B2 (ja) * 1989-04-21 1994-08-17 株式会社神戸製鋼所 移動式クレーンの変位抑制装置
KR970040698A (ko) 1995-12-29 1997-07-24 유상부 휠타입 굴삭기의 작업브레이크장치
US6592190B2 (en) * 2001-07-11 2003-07-15 Deere & Company Secondary brake system with electrohydraulic proportional valve
KR200315168Y1 (ko) 2003-02-19 2003-06-02 정권철 굴삭기의 차축 록킹제어장치

Also Published As

Publication number Publication date
KR100988420B1 (ko) 2010-10-18
DE602004012700T2 (de) 2009-04-16
EP1550774A2 (de) 2005-07-06
CN100591871C (zh) 2010-02-24
CN1637211A (zh) 2005-07-13
KR20050067620A (ko) 2005-07-05
EP1550774B1 (de) 2008-03-26
EP1550774A3 (de) 2005-08-10
JP2005194870A (ja) 2005-07-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition