DE69713043D1 - Hydraulisches Antriebssystem für einen hydraulischen Bagger - Google Patents

Hydraulisches Antriebssystem für einen hydraulischen Bagger

Info

Publication number
DE69713043D1
DE69713043D1 DE69713043T DE69713043T DE69713043D1 DE 69713043 D1 DE69713043 D1 DE 69713043D1 DE 69713043 T DE69713043 T DE 69713043T DE 69713043 T DE69713043 T DE 69713043T DE 69713043 D1 DE69713043 D1 DE 69713043D1
Authority
DE
Germany
Prior art keywords
hydraulic
drive system
excavator
hydraulic drive
hydraulic excavator
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 - Fee Related
Application number
DE69713043T
Other languages
English (en)
Other versions
DE69713043T2 (de
Inventor
Ei Takahashi
Kazunori Nakamura
Manabu Ogasawara
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 DE69713043D1 publication Critical patent/DE69713043D1/de
Application granted granted Critical
Publication of DE69713043T2 publication Critical patent/DE69713043T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • E02F3/325—Backhoes of the miniature type
    • 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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
DE69713043T 1996-12-20 1997-11-24 Hydraulisches Antriebssystem für einen hydraulischen Bagger Expired - Fee Related DE69713043T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8341270A JPH10183676A (ja) 1996-12-20 1996-12-20 油圧ショベルの油圧駆動装置

Publications (2)

Publication Number Publication Date
DE69713043D1 true DE69713043D1 (de) 2002-07-11
DE69713043T2 DE69713043T2 (de) 2003-02-06

Family

ID=18344754

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713043T Expired - Fee Related DE69713043T2 (de) 1996-12-20 1997-11-24 Hydraulisches Antriebssystem für einen hydraulischen Bagger

Country Status (5)

Country Link
EP (1) EP0849406B1 (de)
JP (1) JPH10183676A (de)
KR (1) KR100221808B1 (de)
CN (1) CN1074807C (de)
DE (1) DE69713043T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020054232A (ko) * 2000-12-27 2002-07-06 이찬우 로더의 버킷 회동장치
JP3661596B2 (ja) * 2001-02-23 2005-06-15 コベルコ建機株式会社 建設機械の操作回路
JP3827220B2 (ja) * 2002-05-23 2006-09-27 株式会社小松製作所 付属作業機用油圧回路
FR2840368B1 (fr) * 2002-05-30 2004-09-10 Groupe Mecalac Dispositif electro-hydraulique et engin de travaux publics ainsi equipe
GB2412362A (en) * 2002-08-22 2005-09-28 Caterpillar Inc Method for a work machine having more than one function
US6643577B1 (en) * 2002-08-22 2003-11-04 Caterpillar Inc Operator control station and method for a work machine having more than one function
JP4516009B2 (ja) * 2005-12-13 2010-08-04 日立建機株式会社 建設機械
CN101918647B (zh) * 2007-08-13 2013-06-12 克拉克设备公司 用于旋转施工机械的液压控制系统
JP4922104B2 (ja) * 2007-08-27 2012-04-25 株式会社クボタ 旋回作業機
JP4922103B2 (ja) * 2007-08-27 2012-04-25 株式会社クボタ 旋回作業機
US8091355B2 (en) * 2008-10-23 2012-01-10 Clark Equipment Company Flow compensated restrictive orifice for overrunning load protection
US7942208B2 (en) * 2008-11-06 2011-05-17 Purdue Research Foundation System and method for blade level control of earthmoving machines
US8453441B2 (en) 2008-11-06 2013-06-04 Purdue Research Foundation System and method for pump-controlled cylinder cushioning
CN102963227A (zh) * 2012-09-07 2013-03-13 中铁宝工有限责任公司 公铁两用挖掘机铁路轮系升降及驱动装置
CN104164896B (zh) * 2014-08-19 2016-06-29 广西大学 一种单动源驱动的多自由度可控机构式挖掘机
US9840283B2 (en) 2016-02-23 2017-12-12 Caterpillar Inc. Machine frame
US10087600B2 (en) 2016-03-10 2018-10-02 Caterpillar Inc. Pitch adjustment assembly for machine-mounted tool
DE102016105909B4 (de) * 2016-03-31 2017-11-23 Komatsu Ltd. Steuerungsvorrichtung, Arbeitsfahrzeug und Verfahren zum Steuern eines bewegbaren Arbeitsanbaugerätes
CN106907375B (zh) * 2017-03-30 2018-09-21 中建八局第一建设有限公司 一种有效控制土方开挖精度的挖斗装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356706A (ja) * 1989-07-26 1991-03-12 Kubota Corp 作業車の油圧回路構造
JPH07247572A (ja) * 1994-03-14 1995-09-26 Hitachi Constr Mach Co Ltd 建設機械のブレード制御装置

Also Published As

Publication number Publication date
CN1074807C (zh) 2001-11-14
KR19980063464A (ko) 1998-10-07
JPH10183676A (ja) 1998-07-14
EP0849406B1 (de) 2002-06-05
CN1185507A (zh) 1998-06-24
DE69713043T2 (de) 2003-02-06
KR100221808B1 (ko) 1999-09-15
EP0849406A1 (de) 1998-06-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee