EP1614814A3 - Excavator and machine for the transfer of material. - Google Patents

Excavator and machine for the transfer of material. Download PDF

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Publication number
EP1614814A3
EP1614814A3 EP05014569A EP05014569A EP1614814A3 EP 1614814 A3 EP1614814 A3 EP 1614814A3 EP 05014569 A EP05014569 A EP 05014569A EP 05014569 A EP05014569 A EP 05014569A EP 1614814 A3 EP1614814 A3 EP 1614814A3
Authority
EP
European Patent Office
Prior art keywords
excavator
machine
transfer
hydraulic
hydraulic cylinder
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.)
Withdrawn
Application number
EP05014569A
Other languages
German (de)
French (fr)
Other versions
EP1614814A2 (en
Inventor
Dirk Asam
Rolf Mieger
Roland Wachter
Bernd Wager
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.)
Liebherr Hydraulikbagger GmbH
Original Assignee
Liebherr Hydraulikbagger GmbH
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 Liebherr Hydraulikbagger GmbH filed Critical Liebherr Hydraulikbagger GmbH
Publication of EP1614814A2 publication Critical patent/EP1614814A2/en
Publication of EP1614814A3 publication Critical patent/EP1614814A3/en
Withdrawn legal-status Critical Current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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14—Energy-recuperation means
    • 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
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Shovels (AREA)

Abstract

Die Erfindung betrifft einen Bagger oder Maschine zum Materialumschlag mit einem über mindestens einen Hydraulikzylinder (14) bewegbaren Element (12). Erfindungsgemäß ist an dem Element (12) zusätzlich ein oder mehrere Hydraulikzylinder (16) angelenkt, wobei der oder die zusätzliche(n) Hydraulikzylinder (16) mit einem oder mehreren Hydraulikspeicher(n) (20) verbunden sind.

Figure imgaf001
The invention relates to an excavator or machine for material handling with a via at least one hydraulic cylinder (14) movable element (12). According to the invention, one or more hydraulic cylinders (16) are additionally articulated to the element (12), the additional hydraulic cylinder (s) (16) being connected to one or more hydraulic accumulators (20).
Figure imgaf001
EP05014569A 2004-07-07 2005-07-05 Excavator and machine for the transfer of material. Withdrawn EP1614814A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004032868A DE102004032868A1 (en) 2004-07-07 2004-07-07 Excavator and machine for material handling

Publications (2)

Publication Number Publication Date
EP1614814A2 EP1614814A2 (en) 2006-01-11
EP1614814A3 true EP1614814A3 (en) 2007-05-02

Family

ID=35033735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05014569A Withdrawn EP1614814A3 (en) 2004-07-07 2005-07-05 Excavator and machine for the transfer of material.

Country Status (3)

Country Link
US (2) US7434391B2 (en)
EP (1) EP1614814A3 (en)
DE (1) DE102004032868A1 (en)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2113672B1 (en) * 2008-04-29 2010-12-22 Parker Hannifin AB Arrangement for operating a hydraulic device
DE102008034582A1 (en) 2008-07-24 2010-01-28 Liebherr-Hydraulikbagger Gmbh implement
DE202008013896U1 (en) 2008-10-17 2010-03-11 Liebherr-Hydraulikbagger Gmbh Mobile working device
EP2278167B1 (en) * 2009-07-23 2013-11-13 Q Plus Beheer B.V. Method for operating a pneumatic system and pneumatic system
DE102010032415A1 (en) * 2010-07-27 2012-02-02 Hydac Technology Gmbh Apparatus for recovering energy
DE102010051650A1 (en) * 2010-11-17 2012-05-24 Liebherr-Hydraulikbagger Gmbh implement
DE102011008145B3 (en) * 2011-01-08 2012-02-02 Parker Hannifin Gmbh Energy-efficient hydraulic drive for the linear movement of a mass body
BR112013024200A2 (en) * 2011-03-21 2016-12-13 Shuanglai Yang operating machine boom lifting system, operating machine and method of lifting operating machine boom
US8863509B2 (en) 2011-08-31 2014-10-21 Caterpillar Inc. Meterless hydraulic system having load-holding bypass
US8944103B2 (en) 2011-08-31 2015-02-03 Caterpillar Inc. Meterless hydraulic system having displacement control valve
US8966892B2 (en) 2011-08-31 2015-03-03 Caterpillar Inc. Meterless hydraulic system having restricted primary makeup
US8966891B2 (en) 2011-09-30 2015-03-03 Caterpillar Inc. Meterless hydraulic system having pump protection
US9151018B2 (en) * 2011-09-30 2015-10-06 Caterpillar Inc. Closed-loop hydraulic system having energy recovery
US9057389B2 (en) 2011-09-30 2015-06-16 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US9051714B2 (en) 2011-09-30 2015-06-09 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US9068578B2 (en) 2011-10-21 2015-06-30 Caterpillar Inc. Hydraulic system having flow combining capabilities
US8978373B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8984873B2 (en) 2011-10-21 2015-03-24 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8919114B2 (en) 2011-10-21 2014-12-30 Caterpillar Inc. Closed-loop hydraulic system having priority-based sharing
US8978374B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8943819B2 (en) 2011-10-21 2015-02-03 Caterpillar Inc. Hydraulic system
US8893490B2 (en) 2011-10-21 2014-11-25 Caterpillar Inc. Hydraulic system
US8973358B2 (en) 2011-10-21 2015-03-10 Caterpillar Inc. Closed-loop hydraulic system having force modulation
US8910474B2 (en) 2011-10-21 2014-12-16 Caterpillar Inc. Hydraulic system
US9080310B2 (en) 2011-10-21 2015-07-14 Caterpillar Inc. Closed-loop hydraulic system having regeneration configuration
US9279236B2 (en) 2012-06-04 2016-03-08 Caterpillar Inc. Electro-hydraulic system for recovering and reusing potential energy
WO2014017958A1 (en) * 2012-07-26 2014-01-30 Volvo Construction Equipment Ab Balanced linkage
US9200644B2 (en) * 2012-08-28 2015-12-01 Deere & Company Implement with reduced hydraulic oil exchange
US9290912B2 (en) 2012-10-31 2016-03-22 Caterpillar Inc. Energy recovery system having integrated boom/swing circuits
US9290911B2 (en) 2013-02-19 2016-03-22 Caterpillar Inc. Energy recovery system for hydraulic machine
DE102013006204A1 (en) * 2013-04-04 2014-10-09 Sennebogen Maschinenfabrik Gmbh Actuator and implement with such an actuator
US9441644B2 (en) 2014-08-26 2016-09-13 Ut-Battelle, Llc Energy efficient fluid powered linear actuator with variable area
US9494168B2 (en) 2014-08-26 2016-11-15 Ut-Battelle, Llc Energy efficient fluid powered linear actuator with variable area and concentric chambers
DE102015009111A1 (en) * 2015-07-19 2017-01-19 Johannes Burde A device to support the hydraulic drives of a mobile work machine in its drive movement and force.
EP3536865B1 (en) * 2015-08-14 2020-10-14 Parker-Hannifin Corporation Boom potential energy recovery of hydraulic excavator
CN105421510A (en) * 2015-12-14 2016-03-23 福建工程学院 Movable arm energy-saving system adopting variable-diameter balanced hydraulic cylinder
CN107829988A (en) * 2017-11-02 2018-03-23 中科聚信洁能热锻装备研发股份有限公司 A kind of hydraulic press backhaul without pump accumulator closed oil circuit and its control method
WO2021035477A1 (en) * 2019-08-26 2021-03-04 Guangxi Liugong Machinery Co., Ltd. Electric excavator
DE202022101057U1 (en) 2022-02-24 2022-03-08 Timur Serbay Hydraulic actuating device for a hydraulically operated implement
US11668072B1 (en) * 2022-10-26 2023-06-06 Bourgault Industries Ltd. Potential energy storage and control system for a hydraulically actuated element

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2238811A1 (en) * 1973-07-24 1975-02-21 Poclain Sa
JPS60250128A (en) * 1984-05-25 1985-12-10 Mitsubishi Heavy Ind Ltd Liquid pressure regenerative circuit
JPH0336333A (en) * 1989-06-30 1991-02-18 Komatsu Ltd Potential energy recovery reproducing device for hydraulically-operated excavator
JPH04120324A (en) * 1990-09-10 1992-04-21 Komatsu Ltd Potential energy recovery and utilization device for work machine
WO1993011363A1 (en) * 1991-12-04 1993-06-10 Hydac Technology Gmbh Energy recovering device
JPH05163745A (en) * 1991-12-13 1993-06-29 Komatsu Ltd Position energy collecting device for ascending or descending working machine
JPH09310379A (en) * 1996-05-21 1997-12-02 Shin Caterpillar Mitsubishi Ltd Vibration damper for hydraulic cylinder in working machine
WO1998033989A1 (en) * 1997-01-31 1998-08-06 Lars Bruun Device for hydraulically operated working machine
JP2004116675A (en) * 2002-09-26 2004-04-15 Komatsu Ltd Potential energy recovery/regeneration device for work machine
JP2004116676A (en) * 2002-09-26 2004-04-15 Komatsu Ltd Work machine
JP2004125094A (en) * 2002-10-03 2004-04-22 Komatsu Ltd Hydraulic system of work vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365407B (en) * 2000-05-25 2003-10-08 Bamford Excavators Ltd Hydraulic system for wheeled loader
US6655136B2 (en) 2001-12-21 2003-12-02 Caterpillar Inc System and method for accumulating hydraulic fluid
US6748738B2 (en) 2002-05-17 2004-06-15 Caterpillar Inc. Hydraulic regeneration system
US6918247B1 (en) * 2003-11-19 2005-07-19 Jack E Warner Assisted hydraulic system for moving a structural member

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2238811A1 (en) * 1973-07-24 1975-02-21 Poclain Sa
JPS60250128A (en) * 1984-05-25 1985-12-10 Mitsubishi Heavy Ind Ltd Liquid pressure regenerative circuit
JPH0336333A (en) * 1989-06-30 1991-02-18 Komatsu Ltd Potential energy recovery reproducing device for hydraulically-operated excavator
JPH04120324A (en) * 1990-09-10 1992-04-21 Komatsu Ltd Potential energy recovery and utilization device for work machine
WO1993011363A1 (en) * 1991-12-04 1993-06-10 Hydac Technology Gmbh Energy recovering device
JPH05163745A (en) * 1991-12-13 1993-06-29 Komatsu Ltd Position energy collecting device for ascending or descending working machine
JPH09310379A (en) * 1996-05-21 1997-12-02 Shin Caterpillar Mitsubishi Ltd Vibration damper for hydraulic cylinder in working machine
WO1998033989A1 (en) * 1997-01-31 1998-08-06 Lars Bruun Device for hydraulically operated working machine
JP2004116675A (en) * 2002-09-26 2004-04-15 Komatsu Ltd Potential energy recovery/regeneration device for work machine
JP2004116676A (en) * 2002-09-26 2004-04-15 Komatsu Ltd Work machine
JP2004125094A (en) * 2002-10-03 2004-04-22 Komatsu Ltd Hydraulic system of work vehicle

Also Published As

Publication number Publication date
US20090071139A1 (en) 2009-03-19
US20060053666A1 (en) 2006-03-16
DE102004032868A1 (en) 2006-02-09
EP1614814A2 (en) 2006-01-11
US7434391B2 (en) 2008-10-14

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