EP0499208B1 - Flèche télescopique pour grues mobiles ou analogue - Google Patents

Flèche télescopique pour grues mobiles ou analogue Download PDF

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Publication number
EP0499208B1
EP0499208B1 EP92102268A EP92102268A EP0499208B1 EP 0499208 B1 EP0499208 B1 EP 0499208B1 EP 92102268 A EP92102268 A EP 92102268A EP 92102268 A EP92102268 A EP 92102268A EP 0499208 B1 EP0499208 B1 EP 0499208B1
Authority
EP
European Patent Office
Prior art keywords
telescopic jib
sections
profile
telescopic
section
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 - Lifetime
Application number
EP92102268A
Other languages
German (de)
English (en)
Other versions
EP0499208A2 (fr
EP0499208B2 (fr
EP0499208A3 (en
Inventor
Rudolf Becker
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 Werk Ehingen GmbH
Original Assignee
Liebherr Werk Ehingen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27208262&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0499208(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE9102552U external-priority patent/DE9102552U1/de
Priority claimed from DE9113981U external-priority patent/DE9113981U1/de
Application filed by Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Priority to DE9218841U priority Critical patent/DE9218841U1/de
Publication of EP0499208A2 publication Critical patent/EP0499208A2/fr
Publication of EP0499208A3 publication Critical patent/EP0499208A3/de
Application granted granted Critical
Publication of EP0499208B1 publication Critical patent/EP0499208B1/fr
Publication of EP0499208B2 publication Critical patent/EP0499208B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks
    • 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
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs

Claims (10)

1. Flèche télescopique (2) pour grues, de préférence des grues mobiles, constituée d'une pièce d'articulation extérieure (1) montée de façon pivotante sur le véhicule ou le châssis tournant de celui-ci dans laquelle sont retenus plusieurs tronçons télescopiques pouvant être rentrés et sortis télescopiquement, chaque tronçon étant pourvu de logements pour le tronçon guidé dans celui-ci et peut être verrouillé avec ce tronçon, et dans laquelle est prévue une unité hydraulique à piston et à cylindre à fluide sous pression pour la rentrée et la sortie des différents tronçons, caractérisée en ce que la pièce d'articulation (1) et les tronçons sont constitués de profils dont chacun présente dans la position horizontale, pivotée sur le véhicule, une partie inférieure ronde (40) et une partie supérieure (41) en forme de demi-caisson et dont les branches (44, 45) dirigées les unes contre les autres sont soudées.
2. Flèche télescopique selon la revendication 1, caractérisée en ce que la partie inférieure de profil (40) a approximativement la forme d'une demi-ellipse, le sommet étant formé par le petit rayon.
3. Flèche télescopique selon la revendication 1 ou 2, caractérisée en ce que les branches de la partie inférieure ronde de profil font suite tangentiellement aux branches rectilignes (44, 45) de la partie supérieure de profil (41).
4. Flèche télescopique selon l'une des revendications 1 ou 3, caractérisée en ce que les branches (44, 45) de la partie supérieure de profil (41) sont orientées à angle droit à la partie de barrette rectiligne (46) constituant le brin supérieur.
5. Flèche télescopique selon l'une des revendications 1 à 3, caractérisée en ce que les branches (44', 45') de la partie supérieure de profil (41) forment avec la partie de barrette rectiligne (46') des angles obtus.
6. Flèche télescopique selon l'une des revendications 1 à 3, caractérisée en ce que les branches (44, 45) de la partie supérieure de profil (41) sont reliées par des zones arrondies (47, 48) avec la partie de barrette rectiligne (46).
7. Flèche télescopique selon l'une des revendications 1 à 6, caractérisée en ce que tous les tronçons de flèche sont verrouillés les uns aux autres dans les états sorti et rentré, et en ce qu'il est prévu seulement une unité à piston et à cylindre à fluide sous pression articulée à une extrémité à la pièce d'articulation de flèche du tronçon extérieur qui sort ou rentre respectivement un tronçon seulement déverrouillé préalablement.
8. Flèche télescopique selon l'une des revendications précédentes, caractérisée en ce qu'il est logé, immobile en rotation, dans les tronçons parallèlement à l'unité à piston et à cylindre à fluide sous pression, un tuyau profilé articulé à la pièce d'articulation de flèche, s'étendant librement dont la longueur correspond à la longueur du tronçon extérieur et sur lequel sont guidés les tronçons intérieurs par des paliers de glissement de façon déplaçable longitudinalement, mais immobiles en rotation.
9. Flèche télescopique selon la revendication 8, caractérisée en ce que le tuyau profilé est un tuyau carré ou un tuyau triangulaire.
10. Flèche télescopique selon l'une des revendications précédentes, caractérisée en ce que sont prévus pour le verrouillage des tronçons des boulons actionnables hydrauliquement ou par de l'air comprimé et un montage à ressort aux zones d'extrémité épaissies en forme de collet.
EP92102268A 1991-02-11 1992-02-11 Flèche télescopique pour grues mobiles ou analogue Expired - Lifetime EP0499208B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9218841U DE9218841U1 (de) 1991-02-11 1992-02-11 Teleskopausleger für Fahrzeugkrane o. dgl.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE9101533U 1991-02-11
DE9101533 1991-02-11
DE9102552U 1991-03-04
DE9102552U DE9102552U1 (fr) 1991-02-11 1991-03-04
DE9113981U DE9113981U1 (fr) 1991-11-11 1991-11-11
DE9113981U 1991-11-11

Publications (4)

Publication Number Publication Date
EP0499208A2 EP0499208A2 (fr) 1992-08-19
EP0499208A3 EP0499208A3 (en) 1993-05-19
EP0499208B1 true EP0499208B1 (fr) 1995-06-14
EP0499208B2 EP0499208B2 (fr) 2001-10-17

Family

ID=27208262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102268A Expired - Lifetime EP0499208B2 (fr) 1991-02-11 1992-02-11 Flèche télescopique pour grues mobiles ou analogue

Country Status (3)

Country Link
EP (1) EP0499208B2 (fr)
AT (1) ATE123743T1 (fr)
DE (1) DE59202474D1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711975A1 (de) * 1997-03-12 1998-09-17 Mannesmann Ag Teleskopausleger für Fahrzeugkrane
US6978907B2 (en) 2001-12-12 2005-12-27 Grove U.S. Llc Telescopic jib for a vehicular crane
JP2006021877A (ja) * 2004-07-08 2006-01-26 Tadano Ltd 伸縮ブーム
WO2017065066A1 (fr) * 2015-10-13 2017-04-20 株式会社タダノ Flèche de machine de travail

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4344795A1 (de) * 1993-12-28 1995-06-29 Liebherr Werk Ehingen Fahrbarer Kran mit einem Teleskopausleger
DE19624312C2 (de) * 1996-06-18 2000-05-31 Grove Us Llc Teleskopausleger für Fahrzeugkrane
DE19811813B4 (de) * 1998-03-18 2005-11-24 Grove U.S. LLC (n.d.Ges.d.Staates Delaware) Seitliche Auslegerverriegelung
US6499612B1 (en) 2001-07-27 2002-12-31 Link-Belt Construction Equipment Co., L.P., Lllp Telescoping boom assembly with rounded profile sections and interchangeable wear pads
DE102006014573B3 (de) * 2006-03-29 2007-07-19 Manitowoc Crane Group France SAS, Teleskopkran-Auslegerteil mit schwächer und stärker gekrümmten Querschnittssegmenten im oberen Profilteil und im unteren Profilteil
JP2010089919A (ja) 2008-01-09 2010-04-22 Kobelco Cranes Co Ltd 伸縮ブーム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1279493A (fr) * 1960-11-10 1961-12-22 Grue perfectionnée
DE1170134B (de) * 1962-05-11 1964-05-14 Focke Wulf Ges Mit Beschraenkt Hoehenverstellbare Arbeitsbuehne
US3250182A (en) * 1963-08-01 1966-05-10 Harold K Nansel Multiple extension apparatus
FR1415329A (fr) * 1964-12-01 1965-10-22 Ver Flugtechnische Werke Plate-forme de travail réglable en hauteur
DE2148966C3 (de) * 1971-09-30 1978-11-23 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen Teleskopausleger, insbesondere für straßenverfahrbare Krane
US3842985A (en) * 1972-12-15 1974-10-22 Harnischfeger Corp Means for extending and retracting crane boom section
US4588347A (en) * 1981-10-02 1986-05-13 Coles Cranes Limited Telescopic booms
DE3216427A1 (de) * 1982-05-03 1983-11-10 Heinrich H. Klüssendorf GmbH & Co KG, 1000 Berlin Einrichtung zur fuehrung zweier axial ineinander beweglicher stangen- oder/und roehrenartiger elemente
SE456820B (sv) * 1984-03-12 1988-11-07 Oesa Ab Anordning vid teleskoparmar
DE3510710A1 (de) * 1985-03-23 1986-10-02 Fried. Krupp Gmbh, 4300 Essen Teleskopkran
US4688690A (en) * 1986-03-07 1987-08-25 Harnischfeger Corporation Method and apparatus for extending fly section of crane boom
DE9013210U1 (fr) * 1990-09-18 1991-01-03 Liebherr-Werk Ehingen Gmbh, 7930 Ehingen, De

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711975A1 (de) * 1997-03-12 1998-09-17 Mannesmann Ag Teleskopausleger für Fahrzeugkrane
DE19711975B4 (de) * 1997-03-12 2006-09-07 Terex-Demag Gmbh & Co. Kg Teleskopausleger für Fahrzeugkrane
US6978907B2 (en) 2001-12-12 2005-12-27 Grove U.S. Llc Telescopic jib for a vehicular crane
JP2006021877A (ja) * 2004-07-08 2006-01-26 Tadano Ltd 伸縮ブーム
WO2017065066A1 (fr) * 2015-10-13 2017-04-20 株式会社タダノ Flèche de machine de travail

Also Published As

Publication number Publication date
DE59202474D1 (de) 1995-07-20
EP0499208A2 (fr) 1992-08-19
EP0499208B2 (fr) 2001-10-17
ATE123743T1 (de) 1995-06-15
EP0499208A3 (en) 1993-05-19

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