EP0066567B1 - Grue pouvant être montée sur un camion - Google Patents

Grue pouvant être montée sur un camion Download PDF

Info

Publication number
EP0066567B1
EP0066567B1 EP82890079A EP82890079A EP0066567B1 EP 0066567 B1 EP0066567 B1 EP 0066567B1 EP 82890079 A EP82890079 A EP 82890079A EP 82890079 A EP82890079 A EP 82890079A EP 0066567 B1 EP0066567 B1 EP 0066567B1
Authority
EP
European Patent Office
Prior art keywords
boom
pivot
arm
pivot arm
shaft
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
Application number
EP82890079A
Other languages
German (de)
English (en)
Other versions
EP0066567A3 (en
EP0066567A2 (fr
Inventor
Hubert Palfinger
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.)
Palfinger AG
Original Assignee
Palfinger AG
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 Palfinger AG filed Critical Palfinger AG
Publication of EP0066567A2 publication Critical patent/EP0066567A2/fr
Publication of EP0066567A3 publication Critical patent/EP0066567A3/de
Application granted granted Critical
Publication of EP0066567B1 publication Critical patent/EP0066567B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors

Definitions

  • the proposed asymmetrical arrangement of the swivel levers allows the entire boom to be designed as a simple, oblique box section.
  • the required lateral displacement of the pivot axis of the tilt arm can be achieved with the inclination of the boom remaining the same everywhere, which leads to a constant distribution of the torsional forces.
  • the maximum inclination of the boom is also reduced by the invention.
  • the loading crane shown has a stand 3 which can be rotated about a vertical axis on a base 8 and which is inclined not only against the direction of the boom 5 to the rear but also transversely to this direction.
  • the pivot axis 4, about which the boom 5 can be moved up and down, is thus somewhat shifted relative to the center of the base 8 to the side on which the tilt arm 7 is to be guided past the stand 3.
  • the rocker arm 7, which carries the multi-part extension arm 11, which is only shown schematically, can be pivoted downward about a central axis 9 about the boom 5, but not to the underside of the boom.
  • the boom 5 consisting of a box section with side walls 5 'extends obliquely to the normal to the pivot axis 4, whereas the pivot axis 9, about which the tilt arm 7 can be pivoted, is laterally offset with respect to the pivot axis 4, but runs parallel to it.
  • the movement of the rocker arm 7 is carried out by a hydraulic unit 6, which is fastened on the one hand to the rocker arm and on the other hand to two pairs of pivot levers.
  • the pivot levers 1 and 2 are in turn connected either to the boom 5 or to the rocker arm 7.
  • the arrangement of the swivel arms is such that the deflection A of the tilt arm 7 with respect to the boom 5 is taken into account:

Claims (1)

  1. Grue à monter sur un camion, comportant une flèche (5) qui peut pivoter, par rapport au montant (3) de la grue, autour d'un premier axe horizontal (4) et qui est rapportée obliquement sur cet axe (4). comportant aussi un bras basculant (7) qui peut pivoter, à l'extrémité extérieure de la flèche (5), autour d'un autre axe horizontal (9) décalé parallèlement par rapport au premier, et comportant aussi un bras de prolongement (11) qui s'étend coaxialement par rapport au bras basculant, étant précisé que des leviers de pivotement (1, 2), articulés des deux côtés sur la flèche (5) et sur le bras basculant (7), forment des leviers à genouillère qu'attaque un vérin hydraulique (6) pour faire pivoter le bras basculant (7) qui court normalement à l'axe (9) qui le relie à la flèche (5) et qui, à l'état basculé, la flèche (5) étant rabattue, passe latéralement à côté du montant (3), caractérisée en ce que les leviers de pivotement (1) qui vont de la flèche (5), des deux côtés de cette flèche, jusqu'au vérin hydraulique (6) monté sur le bras basculant (7) sont, par rapport aux leviers de pivotement (2) qui vont du bras basculant (7) au vérin hydraulique (6) décalés normalement à la direction du bras basculant (7), en vue de dessus, du côté de la flèche (5), de façon telle que les parois latérales (5') de la flèche (5) courent encore parallèlement l'une à l'autre dans la zone d'extrémité (5") de la flèche (5) adjacente à l'endroit de l'articulation (10) des bras pivotants (1).
EP82890079A 1981-06-01 1982-05-26 Grue pouvant être montée sur un camion Expired EP0066567B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0243481A AT370701B (de) 1981-06-01 1981-06-01 Auf einem lastfahrzeug anbringbarer ladekran
AT2434/81 1981-06-01

Publications (3)

Publication Number Publication Date
EP0066567A2 EP0066567A2 (fr) 1982-12-08
EP0066567A3 EP0066567A3 (en) 1985-01-09
EP0066567B1 true EP0066567B1 (fr) 1986-12-30

Family

ID=3534281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82890079A Expired EP0066567B1 (fr) 1981-06-01 1982-05-26 Grue pouvant être montée sur un camion

Country Status (3)

Country Link
EP (1) EP0066567B1 (fr)
AT (1) AT370701B (fr)
DE (1) DE3274838D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4967917A (en) * 1988-08-03 1990-11-06 Kabushiki Kaisha Kobe Seiko Sho Jib derricking gear for a crane
ATA309488A (de) * 1988-12-20 1990-09-15 Palfinger Ag Ladekran
AU7498394A (en) * 1993-08-31 1995-03-22 Putzmeister-Werk Maschinenfabrik Gmbh Arrangement for surface treatment, especially the cleaning of the surfaces of large objects
AT10691U1 (de) 2008-01-10 2009-08-15 Johann Bachinger Gmbh Ladekran mit in transportstellung bringbarem lastaufnahmemittel
CN106241629A (zh) * 2015-06-15 2016-12-21 徐工集团工程机械股份有限公司 折臂随车起重机变幅机构及折臂随车起重机
CN106966343B (zh) * 2017-05-22 2022-07-08 达思泰克(大连)船舶科技有限公司 用于船舶建造的举高作业机构以及多联举高作业机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132866B (de) * 1956-11-13 1962-07-05 Orenstein & Koppel Ag Tiefloeffelbagger zum Ausheben von Graeben
US3005512A (en) * 1960-05-31 1961-10-24 Asplundh Tree Expert Co Aerial supporting structure for line construction and maintenance workers
DE2522390C2 (de) * 1975-05-21 1983-03-24 Hiab-Foco AB, 82401 Hudiksvall Knickausleger eines Fahrzeugkranes

Also Published As

Publication number Publication date
EP0066567A3 (en) 1985-01-09
AT370701B (de) 1983-04-25
EP0066567A2 (fr) 1982-12-08
DE3274838D1 (en) 1987-02-05
ATA243481A (de) 1982-09-15

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