EP4709676A1 - Flèche télescopique et grue, navire et procédé comprenant une telle flèche - Google Patents

Flèche télescopique et grue, navire et procédé comprenant une telle flèche

Info

Publication number
EP4709676A1
EP4709676A1 EP24723910.6A EP24723910A EP4709676A1 EP 4709676 A1 EP4709676 A1 EP 4709676A1 EP 24723910 A EP24723910 A EP 24723910A EP 4709676 A1 EP4709676 A1 EP 4709676A1
Authority
EP
European Patent Office
Prior art keywords
boom
upper stay
extendible
stay member
main
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.)
Pending
Application number
EP24723910.6A
Other languages
German (de)
English (en)
Inventor
Jasper Hendrik Frank BAKKER
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.)
Huisman Equipment BV
Original Assignee
Itrec BV
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 Itrec BV filed Critical Itrec BV
Publication of EP4709676A1 publication Critical patent/EP4709676A1/fr
Pending legal-status Critical Current

Links

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
    • B66C23/82—Luffing gear
    • B66C23/821—Bracing equipment for booms
    • B66C23/823—Bracing equipment acting in vertical direction
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/185—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 specially adapted for use in particular purposes for use erecting wind turbines
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/36—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 specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

L'invention se rapporte à une flèche de grue télescopique (1). La flèche comprend une flèche principale (10) et une flèche extensible (20) et est dotée d'un mécanisme de maintien (25) comprenant une entretoise (30), un support inférieur (40) et un support supérieur (49). Le support supérieur comprend un premier élément supérieur (50) et un second élément supérieur (60) qui sont chacun aptes à s'articuler entre une position passive, pour le moment où la flèche extensible est rétractée et une position active pour le moment où la flèche extensible est étendue. Dans la position passive, le premier élément de renfort supérieur est positionné le long de l'entretoise et le second élément de renfort supérieur est positionné le long de la flèche extensible. Dans la position active, les premier et second éléments de renfort supérieurs sont raccordés l'un à l'autre par l'intermédiaire de raccords (61), et le renfort supérieur forme un raccordement entre l'entretoise et la structure de flèche extensible.
EP24723910.6A 2023-05-12 2024-05-08 Flèche télescopique et grue, navire et procédé comprenant une telle flèche Pending EP4709676A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2034817A NL2034817B1 (en) 2023-05-12 2023-05-12 Telescopic boom
PCT/EP2024/062829 WO2024235817A1 (fr) 2023-05-12 2024-05-08 Flèche télescopique et grue, navire et procédé comprenant une telle flèche

Publications (1)

Publication Number Publication Date
EP4709676A1 true EP4709676A1 (fr) 2026-03-18

Family

ID=87036540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24723910.6A Pending EP4709676A1 (fr) 2023-05-12 2024-05-08 Flèche télescopique et grue, navire et procédé comprenant une telle flèche

Country Status (4)

Country Link
EP (1) EP4709676A1 (fr)
CN (1) CN121175259A (fr)
NL (1) NL2034817B1 (fr)
WO (1) WO2024235817A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311778U1 (de) * 1993-08-06 1994-12-08 Liebherr-Werk Ehingen Gmbh, 89584 Ehingen Mobilkran
JP6451271B2 (ja) * 2014-12-09 2019-01-16 株式会社タダノ 移動式クレーン
JP6562049B2 (ja) * 2017-08-18 2019-08-21 コベルコ建機株式会社 リンク格納装置、およびリンク格納方法

Also Published As

Publication number Publication date
NL2034817B1 (en) 2024-12-02
CN121175259A (zh) 2025-12-19
WO2024235817A1 (fr) 2024-11-21

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