EP2059639B1 - Excavateur mobile - Google Patents

Excavateur mobile Download PDF

Info

Publication number
EP2059639B1
EP2059639B1 EP07856850A EP07856850A EP2059639B1 EP 2059639 B1 EP2059639 B1 EP 2059639B1 EP 07856850 A EP07856850 A EP 07856850A EP 07856850 A EP07856850 A EP 07856850A EP 2059639 B1 EP2059639 B1 EP 2059639B1
Authority
EP
European Patent Office
Prior art keywords
axle
additional
excavator
mobile excavator
accordance
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
EP07856850A
Other languages
German (de)
English (en)
Other versions
EP2059639A1 (fr
Inventor
Oliver Autenrieth
Werner Seifried
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 EP2059639A1 publication Critical patent/EP2059639A1/fr
Application granted granted Critical
Publication of EP2059639B1 publication Critical patent/EP2059639B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/024—Travelling-gear, e.g. associated with slewing gears with laterally or vertically adjustable wheels or tracks
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs

Definitions

  • the invention relates to a wheeled excavator with an undercarriage and at least two axles.
  • Wheeled excavators are roadworthy as wheeled vehicles and can independently and independently drive to their place of use.
  • the supports can for example consist of so-called support or leveling shields, which are attached to the front and / or rear of the excavator and hydraulically off and can be retracted. This allows the excavator to clear and leave the construction site quickly.
  • two- or four-point supports can also be mounted with hydraulically extendable or fold-out clamps.
  • axle load of wheeled excavators within the framework of the Highway Code is limited to obtaining an unrestricted - that is not track-bound - driving license.
  • For driven axles is the maximum Axle load currently 11.5 t and with non-driven axles 10 t.
  • the maximum excavator weight for road driving is limited to 18 t with two axles.
  • Object of the present invention is to develop a generic wheeled excavator such that the additional axle when driving on the road is easily attachable to the wheeled excavator.
  • the solution is essentially that the additional axle is rigidly attachable to an extendable element of the undercarriage.
  • the extendable element of the undercarriage can already be extended and retracted via an existing hydraulics. Due to the extension and retraction of this extendable element, the additional axle can be rigidly mounted by the excavator driver to the extendable element and thus to the excavator.
  • the additional axle carries a wheel.
  • the axle with a wheel is sufficient to fulfill the aforementioned legal conditions.
  • the additional axis is rotatably mounted about a vertically extending to its axial axis of rotation in a fork-shaped carrier.
  • the respective ends of the fork-shaped carrier are designed such that they engage around the extendable element in a coupling manner.
  • the extendable element to which the additional axis is attachable be the support plate in an advantageous manner.
  • the additional axle can also carry a twin wheel.
  • an additional axle can be attached, which carries two and more wheels in a conventional manner.
  • the additional axle In the fork-shaped carrier, it is sufficient to freely rotatably support the additional axle in the fork-shaped carrier. As a result, the additional axle follows passively with appropriate steering movements of the excavator and adjusts itself in the desired direction of travel.
  • this active steering can take place in that the steering angle of the steered axle is tapped via a pilot cylinder and that the tapped steering angle is transmitted electrically or hydraulically to an active steering cylinder for steering the additional axle.
  • FIG. 1 a device 10 is shown with an additional axis 12, which is attachable to a wheeled excavator, not shown here.
  • the additional axle 12 shown here carries a wheel 14.
  • the wheel 14 with the additional axle 12 is rotatably mounted in a fork-shaped carrier 16.
  • the additional axis 12 to a C-shaped support frame 18 which is rotatably supported in the fork-shaped carrier 16 via a vertically extending to the axial direction of the additional axis 12 axis of rotation 20.
  • single wheel 14 is freely rotatably mounted in the mounted state about the rotation axis 20, so that the additional axis 12 is passively guided with the wheel 14 in accordance with the steering movement of the wheeled excavator.
  • an active steering of the additional axle 12 is possible within the scope of the invention. It is not shown here in the drawing, however.
  • the respective ends of the fork-shaped carrier 16 have coupling claws 22, which, as in FIG. 3 represented, embrace the outer contours of a support plate 24 of a mobile excavator not shown here.
  • the shape of the claws 22 results in particular from the page representation according to FIG. 2 , Here it can be seen that the jaws have a pivotable about an axis 26 lower part 28 which is securable via a locking pin 30.
  • the cultivation of the additional axis 12 containing device is possible by means of hydraulic method of Abstützschildes 24 in a simple manner.
  • the upper edge 30 of the support plate 24 must engage in a corresponding recess of the claws 22 of the fork-shaped carrier 16.
  • the lower part 28 of the claws 22 has been pivoted away.
  • the component 28 is then returned to its in FIG. 2 pivoted starting position shown and secured over the securing bolt 30.
  • the claw 22 of the fork-shaped carrier 16 now surrounds the support plate 24.
  • FIG. 4 is a representation of the Abstützschilds 24 shown from behind. It can be used here any standard Abstützschild 24 of a mobile excavator not shown here.
  • centering devices 34 are provided here on the upper edge 30 of the support plate. These centering devices 34 have laterally obliquely projecting side walls 36, which allow a simpler positioning of the fork-shaped carrier 16.
  • the welded sheets 34 are slightly inclined, as in FIG. 3 can be seen in section. They engage in a corresponding recess 38 at the end 22 of the fork-shaped carrier.
  • reinforcing plates 40 are welded.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)
  • Harvester Elements (AREA)
  • Earth Drilling (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (6)

  1. Excavateur mobile avec un châssis avec au moins deux essieux, où est fixé d'une manière couplable à l'excavateur mobile au moins un essieu additionnel (12) supportant une roue (14), caractérisé en ce que l'essieu additionnel (12) peut être monté rigidement à un élément déployable (24) du châssis, en ce que l'essieu additionnel (12) est logé d'une manière tournante autour d'un axe de rotation (20) s'étendant verticalement à sa direction d'axe dans un support en forme de fourche (16) et en ce que les extrémités respectives (22) du support en forme de fourche (16) entourent, de manière couplante, l'élément déployable (24).
  2. Excavateur mobile selon la revendication 1, caractérisé en ce que l'élément déployable est un bouclier d'appui (24).
  3. Excavateur mobile selon la revendication 1, caractérisé en ce que l'élément déployable sont un ou plusieurs griffes.
  4. Excavateur mobile selon l'une de la revendication 1, caractérisé en ce que l'essieu additionnel (12) supporte une roue jumelle.
  5. Excavateur mobile selon la revendication 1, caractérisé en ce que l'essieu additionnel (12) peut être dirigé activement.
  6. Excavateur mobile selon la revendication 5, caractérisé en ce que par un vérin pilote, l'angle de braquage de l'essieu dirigé peut être déterminé, et en ce que l'angle de braquage déterminé peut être transféré électriquement ou hydrauliquement à un vérin directeur actif pour diriger l'essieu additionnel (12).
EP07856850A 2006-12-18 2007-12-18 Excavateur mobile Active EP2059639B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006019051U DE202006019051U1 (de) 2006-12-18 2006-12-18 Mobilbagger
PCT/EP2007/011125 WO2008074471A1 (fr) 2006-12-18 2007-12-18 Excavateur mobile

Publications (2)

Publication Number Publication Date
EP2059639A1 EP2059639A1 (fr) 2009-05-20
EP2059639B1 true EP2059639B1 (fr) 2011-11-09

Family

ID=39144436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856850A Active EP2059639B1 (fr) 2006-12-18 2007-12-18 Excavateur mobile

Country Status (5)

Country Link
EP (1) EP2059639B1 (fr)
AT (1) ATE532911T1 (fr)
DE (1) DE202006019051U1 (fr)
ES (1) ES2374747T3 (fr)
WO (1) WO2008074471A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009047900A1 (de) 2009-09-30 2011-04-07 Liebherr-Hydraulikbagger Gmbh Mobile Baumaschine, insbesondere Bagger
DE202010004301U1 (de) * 2010-03-26 2011-05-05 Burkhardt, Johann Selbstfahrende Arbeitsmaschine, insbesondere Radbagger
DE102011086085A1 (de) * 2011-11-10 2013-05-16 MTS Gesellschaft für Maschinentechnik und Sonderbauten mbH Anbaugerät für einen Bagger

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2061924A (en) 1935-01-07 1936-11-24 Mclennen C Slate Combination scraper and bulldozer
GB813704A (en) * 1955-06-15 1959-05-21 Auxiliaire De L Entpr Auxen So Improvements in or relating to automotive vehicles having a relatively short wheel base
US3336041A (en) * 1965-09-23 1967-08-15 Bouley Jean Pushing and driving attachment for tractor
US3570153A (en) * 1969-02-26 1971-03-16 Poclain Sa Machines of the type comprising a tractor and a base,notably earthworking machines
US3776318A (en) * 1972-03-22 1973-12-04 Layton Mfg Co Earth working machine including scraper blade means
DE2448066A1 (de) * 1974-10-09 1976-04-15 Schroeder Landwirtschaftliches arbeitsgeraet
AT379629B (de) * 1981-12-04 1986-02-10 Menzi Ag Ernst Bagger
US4501334A (en) * 1983-07-07 1985-02-26 Deere & Company Wheeled excavator having a dozer blade and a boom-mounted stabilizer wheel
GB8323778D0 (en) * 1983-09-05 1983-10-05 Trenchers Ltd A F Tractor auxiliary suspension arrangement
SE453606B (sv) 1986-06-24 1988-02-15 Bo Dahlgren Mobil arbetsmaskin med hoj- och senkbara stodben
GB8902712D0 (en) * 1989-02-07 1989-03-30 Econ Group Ltd Improvements relating to road working apparatus
US6076288A (en) * 1998-04-02 2000-06-20 Ledcor Industries Limited Method and apparatus for burying cable in a railway bed
US6439332B1 (en) 2001-07-13 2002-08-27 Robert Meurer Caster structure for attachment to a rear end of a skid-steer loader
AT413119B (de) 2004-03-22 2005-11-15 Pachinger Alois Vorrichtung zum transportieren einer baumaschine
DE202004011368U1 (de) 2004-07-20 2005-12-08 Liebherr-Hydraulikbagger Gmbh Mobilbagger

Also Published As

Publication number Publication date
ES2374747T3 (es) 2012-02-21
DE202006019051U1 (de) 2008-04-30
WO2008074471A1 (fr) 2008-06-26
ATE532911T1 (de) 2011-11-15
EP2059639A1 (fr) 2009-05-20

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