[go: up one dir, main page]

EP2338827A3 - Work machine, in particular digger - Google Patents

Work machine, in particular digger Download PDF

Info

Publication number
EP2338827A3
EP2338827A3 EP10015237A EP10015237A EP2338827A3 EP 2338827 A3 EP2338827 A3 EP 2338827A3 EP 10015237 A EP10015237 A EP 10015237A EP 10015237 A EP10015237 A EP 10015237A EP 2338827 A3 EP2338827 A3 EP 2338827A3
Authority
EP
European Patent Office
Prior art keywords
work machine
digger
working device
extension element
boom
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Withdrawn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
EP10015237A
Other languages
German (de)
French (fr)
Other versions
EP2338827A2 (en
Inventor
Daniel Härter
Roland Wachter
Bernd Wager
Thomas Zitterbart
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 EP2338827A2 publication Critical patent/EP2338827A2/en
Publication of EP2338827A3 publication Critical patent/EP2338827A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/30Dredgers; 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
    • E02F3/301Dredgers; 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 with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/3604Devices to connect tools to arms, booms or the like
    • E02F3/3677Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/369Devices to connect parts of a boom or an arm
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/40Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4136Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted on a slidable or telescopic boom or arm
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808Teeth
    • E02F9/2816Mountings therefor
    • E02F9/2825Mountings therefor using adapters
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/28Small metalwork for digging elements, e.g. teeth scraper bits
    • E02F9/2808Teeth
    • E02F9/2858Teeth characterised by shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Agricultural Machines (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Arbeitsmaschine, insbesondere einen Bagger, mit einem Ausleger (1), einem Verlängerungselement (3) und einem Arbeitsgerät (4), wobei das Verlängerungselement (3) an einer Anlenkachse (2) des Auslegers (1) über eine erste kardanische Aufhängung (5) angehängt ist und das Arbeitsgerät (4) trägt, wobei das Arbeitsgerät (4) an einer Anlenkachse (10) des Verlängerungselements (3) über eine zweite kardanische Aufhängung (6) angehängt ist.

Figure imgaf001
The present invention relates to a work machine, in particular an excavator, with a boom (1), an extension element (3) and a working device (4), wherein the extension element (3) on a pivot axis (2) of the boom (1) via a first gimbal (5) is attached and the working device (4) carries, wherein the working device (4) is attached to a pivot axis (10) of the extension element (3) via a second gimbal suspension (6).
Figure imgaf001

EP10015237A 2009-12-22 2010-12-02 Work machine, in particular digger Withdrawn EP2338827A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202009017388U DE202009017388U1 (en) 2009-12-22 2009-12-22 Working machine, in particular excavator

Publications (2)

Publication Number Publication Date
EP2338827A2 EP2338827A2 (en) 2011-06-29
EP2338827A3 true EP2338827A3 (en) 2012-01-04

Family

ID=43828206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015237A Withdrawn EP2338827A3 (en) 2009-12-22 2010-12-02 Work machine, in particular digger

Country Status (3)

Country Link
US (1) US8578638B2 (en)
EP (1) EP2338827A3 (en)
DE (2) DE202009017388U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT514120A1 (en) * 2013-04-12 2014-10-15 Leicht Helene Device for increasing the reach of an excavator and using the same
US10676324B2 (en) 2017-03-05 2020-06-09 Thomas A Weeks Plug and play tool connection
CN109208678B (en) * 2018-10-24 2020-11-20 罗茜 Printing and dyeing pond bottom silt cleaning device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301587A (en) * 1965-03-01 1967-01-31 Prentice Hydraulics Inc Materials positioning fork
US3726349A (en) * 1967-12-23 1973-04-10 Orenstein & Koppel Ag Hydraulically operable apparatus for making slit trenches
DE2501780A1 (en) * 1975-01-17 1976-07-22 Liebherr Hydraulikbagger Hydraulic excavator with grab suspended from boom - has a rigid longitudinally variable coupling between boom and grab
US4315652A (en) * 1980-05-01 1982-02-16 Robil Company Angle control mechanism for grapple
DE3142377A1 (en) * 1981-10-26 1983-05-05 geb. Sewerin Frieda 3257 Springe Hildebrandt Pendulous tool on excavators, wheeled loaders, tractors and the like
US5437531A (en) * 1993-06-16 1995-08-01 Kress Corporation Vehicle for reaching, lifting, retracting, stacking and carrying loads
DE4428712A1 (en) * 1994-08-15 1996-02-29 Albert Weinmann Load-carrier jib arm mounted load measuring appts. for e.g. crane
DE19632030A1 (en) * 1996-08-08 1998-02-12 Fritz Hildebrandt Drilling tool positioner for dredgers, wheel loaders, tractors, etc.
EP1655417A2 (en) * 2004-11-04 2006-05-10 Fiat Kobelco Construction Machinery S.p.A. Braking device for the articulations of the supporting boom parts of an earthmoving machine
DE202008008397U1 (en) * 2008-06-24 2009-03-05 Egerland, Matthias Device for removing standing trees

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL164923C (en) * 1972-01-28 1981-02-16 Ballast Nedam Groep Nv IMPROVEMENT OF A SQUEEGEE.
DE3035250A1 (en) * 1980-09-18 1982-04-29 geb. Sewerin Frieda 3257 Springe Hildebrandt Swing brake for earth moving implement - has brake half disc on bearing eye and calliper on bearing bush mount
US4497608A (en) * 1983-06-13 1985-02-05 The Trustees Of The Toronto General Burying Grounds Monument foundation digger
DE29903774U1 (en) * 1999-03-02 1999-09-30 Liebherr-Hydraulikbagger GmbH, 88457 Kirchdorf Coupling for swinging attachment of a tool to the arm of an excavator or other handling device
DE10361583A1 (en) * 2003-12-23 2005-07-21 Holp Gmbh Quick change system for the optional connection of various tools with a crane handle

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3301587A (en) * 1965-03-01 1967-01-31 Prentice Hydraulics Inc Materials positioning fork
US3726349A (en) * 1967-12-23 1973-04-10 Orenstein & Koppel Ag Hydraulically operable apparatus for making slit trenches
DE2501780A1 (en) * 1975-01-17 1976-07-22 Liebherr Hydraulikbagger Hydraulic excavator with grab suspended from boom - has a rigid longitudinally variable coupling between boom and grab
US4315652A (en) * 1980-05-01 1982-02-16 Robil Company Angle control mechanism for grapple
DE3142377A1 (en) * 1981-10-26 1983-05-05 geb. Sewerin Frieda 3257 Springe Hildebrandt Pendulous tool on excavators, wheeled loaders, tractors and the like
US5437531A (en) * 1993-06-16 1995-08-01 Kress Corporation Vehicle for reaching, lifting, retracting, stacking and carrying loads
DE4428712A1 (en) * 1994-08-15 1996-02-29 Albert Weinmann Load-carrier jib arm mounted load measuring appts. for e.g. crane
DE19632030A1 (en) * 1996-08-08 1998-02-12 Fritz Hildebrandt Drilling tool positioner for dredgers, wheel loaders, tractors, etc.
EP1655417A2 (en) * 2004-11-04 2006-05-10 Fiat Kobelco Construction Machinery S.p.A. Braking device for the articulations of the supporting boom parts of an earthmoving machine
DE202008008397U1 (en) * 2008-06-24 2009-03-05 Egerland, Matthias Device for removing standing trees

Also Published As

Publication number Publication date
DE102010053870A1 (en) 2011-06-30
US20110150617A1 (en) 2011-06-23
US8578638B2 (en) 2013-11-12
EP2338827A2 (en) 2011-06-29
DE202009017388U1 (en) 2011-05-05

Similar Documents

Publication Publication Date Title
EP2666597A3 (en) Industrial robot with a ring-shaped trailing stop
EP2668907A3 (en) Specimen retrieval device
EP2455582A3 (en) Anchor component, in particular for mining and tunnel construction
EP2207249A3 (en) Control method for an accumulator and a hand tool machine
EP1962556A3 (en) Method for improving spatial awareness and corresponding hearing device
EP2338827A3 (en) Work machine, in particular digger
AT513667A5 (en) The underground boring machine
EP1477451A3 (en) Uncoiling device for an extension jib of a mobile crane
EP1772415A3 (en) Support device for a mobile crane
EP2886264A3 (en) Device for processing a structure and spacecraft
EP2130976A3 (en) Working machine with structure for assembling boom thereof
EP2857246A3 (en) Agricultural work machine
EP3434830A3 (en) Operating device for a working machine
CN204282425U (en) A kind of dozer assembly and excavator
EP2927417A3 (en) Self-opening rotating percussion drill tip, especially for overburden drilling
EP2233683A3 (en) Adapter of a self-drilling chemically anchored attachment element
EP2787125A3 (en) Coupling device for an excavator attachment
EP1459855A3 (en) Method and device for improving the positioning accuracy of a machining robot
CN205557612U (en) Engineering machine tool with accessory perception system
CN205077532U (en) Formula that flows hydraulic pressure claw excavator
EP2889431A3 (en) Working machine for the operation of a dig bucket
EA201501071A1 (en) DEVICE FOR FOLDING WORKING BODIES OF AGRICULTURAL MACHINES
CN204475386U (en) Rock Excavator Arm Structure
EP2286649A3 (en) Hydraulic operation device
EP1344968A3 (en) Clamp for fixing flexible pipes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

PUAF Information related to the publication of a search report (a3 document) modified or deleted

Free format text: ORIGINAL CODE: 0009199SEPU

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/413 20060101ALI20110711BHEP

Ipc: B66C 3/16 20060101AFI20110711BHEP

D17D Deferred search report published (deleted)
PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/413 20060101ALI20111011BHEP

Ipc: B66C 3/16 20060101AFI20111011BHEP

PUAF Information related to the publication of a search report (a3 document) modified or deleted

Free format text: ORIGINAL CODE: 0009199SEPU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

D17D Deferred search report published (deleted)
AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20120208

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/413 20060101ALI20140819BHEP

Ipc: B66C 3/16 20060101AFI20140819BHEP

17Q First examination report despatched

Effective date: 20170921

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20180404