EP2129609B1 - Grue à tour à flèche relevable - Google Patents

Grue à tour à flèche relevable Download PDF

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Publication number
EP2129609B1
EP2129609B1 EP08715759A EP08715759A EP2129609B1 EP 2129609 B1 EP2129609 B1 EP 2129609B1 EP 08715759 A EP08715759 A EP 08715759A EP 08715759 A EP08715759 A EP 08715759A EP 2129609 B1 EP2129609 B1 EP 2129609B1
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EP
European Patent Office
Prior art keywords
tower
jib
luffing
framework
rotating frame
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
EP08715759A
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German (de)
English (en)
Other versions
EP2129609A1 (fr
Inventor
Thomas Herse
Ulrich DÖRZBACH
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.)
Wolffkran AG
Original Assignee
Wolffkran AG
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Filing date
Publication date
Application filed by Wolffkran AG filed Critical Wolffkran AG
Publication of EP2129609A1 publication Critical patent/EP2129609A1/fr
Application granted granted Critical
Publication of EP2129609B1 publication Critical patent/EP2129609B1/fr
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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
    • B66C23/18—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
    • B66C23/26—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 on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail

Definitions

  • the invention relates to a luffing jib tower crane whose counter jib tower spitz system is divided into trusses.
  • Tower cranes comprise a crane base from which a tower extends upwards. At an upper portion of the tower, a boom and possibly a counter-jib is attached. Tower cranes are for example from the patent DE 35 10 116 C2 known.
  • a revolving frame is mounted at the top of the tower. Above the revolving frame, there is disposed a counterjib tower spike system to which is connected a boom whose angle to the horizontal plane is changeable.
  • the angle of the jib to the horizontal plane is determined by a seesaw rope, the length of which can be adjusted via a rope pull-in unit.
  • an overhead rotary luffing tower tower crane which has a spire formed as a transport and mounting unit.
  • the disadvantage of this solution is that it is a very heavy component in this spire, the size and weight of which cause difficulties during transport, assembly and disassembly.
  • the size of the spire also makes extreme accuracy in the construction of the counter-jib tower Spitz system required, since even the smallest deviations are correctable only with great effort.
  • the invention has for its object to provide a top-rotating luffing jib tower crane available, the counter-jib Turmspitz system avoids the disadvantages of the known counter jib tower Spitz systems described.
  • the inventive division of the counterjib tower spike system in trusses creates much lighter components than from the EP 0 298 391 B1 known.
  • the connections between the bars that form the trusses can be articulated, creating greater tolerances in the assembly.
  • the manufacturing costs are lower because the trusses can be made from prefabricated profiles, requiring less welding work.
  • the invention proves to be particularly advantageous if the luffing jib tower crane is one in which the angle of the jib to the horizontal plane is determined by a seesaw rope whose length can be adjusted by means of a rope pulling-in unit.
  • a particularly advantageous embodiment of the invention provides that the Seileinziehwerk is attached to an element (spar) of the spire and that a roller block with sheared Wippseil of the Hauptabschreib the boom releasably and for the transport of this element (Holms) of the spire lattice fixed, but solvable connected to this.
  • This element of the spire tower can be designed as a transport and assembly unit, so that no manual cable shingles during construction of the crane at the site is more necessary.
  • FIG. 1 a part of the upper portion of a luffing jib tower crane according to the invention is shown in two different boom positions.
  • a rotating frame 2 At the top End of the tower 1, a rotating frame 2 is arranged.
  • the counter-jib-towering system 3 Above the rotating frame 2 is the counter-jib-towering system 3, with which the boom 4 is connected, whose angle to the horizontal plane is determined by a seesaw 5, the length of which can be adjusted via a cable pulling unit 6.
  • the counter-tower spire system 3 is divided into a rotating frame framework 7, a counter-jib truss 8 and a spire truss 9, which each have three sides from the illustrated lateral perspective.
  • the rotating frame truss 7 is located below the boom, ie below the point at which the boom 4 is connected to the counter-jib towering system 3.
  • the rotating frame truss 7 sets with its underside in a horizontal plane above the horizontal rotating frame 2 at.
  • the rocking truss 8 has a common side with the spire lattice truss 9 and the rotating frame framework 7.
  • the roping 5 is under multiple Seileinscherung over pulleys 10 at the top of the spire 9 beam Holmes 9a and on the roller block 11 to a fixed point 12 at the top of Holmes 9a led.
  • the pulleys 10 and the cable pulling 6 are connected both during transport and in the operating state with the spar 9a.
  • the roller block 11 is fixed during transport to the spar 9a. In the operating state of the crane mounted on the construction site, the roller block 11, after being detached from the beam 9 a, is connected to the main guy 13 of the boom 4.
  • FIG. 2 is the belonging to the spire lattice spar 9a shown in the transport state. Both the Seileinziehtechnik 6 and the roller block 11 are attached to the spar 9a.

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

Abstract

L'invention concerne une grue à tour à flèche relevable caractérisée en ce que le système flèche de tour/contre-flèche est divisé en trois treillis : un treillis de cadre tournant, un treillis de contre-flèche et un treillis de flèche de tour, le treillis de contre-flèche présentant un côté commun avec le treillis de flèche de tour et le treillis de cadre tournant. Le treillis de flèche de tour comporte de préférence un montant auquel un bloc poulie peut être relié, lorsque le câble de relevage est mouflé.

Claims (3)

  1. Grue à tour pivotante à flèche relevable, comprenant une tour, un châssis tournant, monté sur l'extrémité supérieure de la tour, et un système de pointe de tour à contre-flèche qui est disposé au-dessus du châssis tournant et auquel est reliée une flèche dont l'angle par rapport au plan horizontal peut être modifié, caractérisée en ce que le système de pointe de tour à contre-flèche est divisé en trois éléments à treillis, à savoir un treillis de châssis tournant, un treillis de contre-flèche et un treillis de pointe de tour, le treillis de contre-flèche ayant respectivement un côté commun avec le treillis de pointe de tour et le treillis de châssis tournant.
  2. Grue à tour pivotante à flèche relevable selon la revendication 1, caractérisée en ce que l'angle de la flèche par rapport au plan horizontal est déterminé par un câble de relevage dont la longueur peut être réglée par l'intermédiaire d'un mécanisme d'enroulement de câble.
  3. Grue à tour pivotante à flèche relevable selon la revendication 2, caractérisée en ce que le treillis de pointe de tour comporte un montant auquel est fixé le mécanisme d'enroulement de câble, et en ce que, lorsque le câble de relevage est inséré, un bloc de poulie peut être séparé du hauban principal de la flèche et être relié au montant.
EP08715759A 2007-02-23 2008-02-14 Grue à tour à flèche relevable Active EP2129609B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007009402A DE102007009402B4 (de) 2007-02-23 2007-02-23 Wippausleger-Turmdrehkran
PCT/EP2008/001118 WO2008101631A1 (fr) 2007-02-23 2008-02-14 Grue à tour à flèche relevable

Publications (2)

Publication Number Publication Date
EP2129609A1 EP2129609A1 (fr) 2009-12-09
EP2129609B1 true EP2129609B1 (fr) 2012-06-27

Family

ID=39551816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715759A Active EP2129609B1 (fr) 2007-02-23 2008-02-14 Grue à tour à flèche relevable

Country Status (7)

Country Link
US (1) US20100084358A1 (fr)
EP (1) EP2129609B1 (fr)
AU (1) AU2008217248B2 (fr)
CA (1) CA2679099A1 (fr)
DE (1) DE102007009402B4 (fr)
ES (1) ES2393258T3 (fr)
WO (1) WO2008101631A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201124333A (en) * 2010-01-11 2011-07-16 tian-ming Zhang Crane.
CN104495637B (zh) * 2014-12-16 2016-10-05 中联重科股份有限公司 起重机自拆卸装置、起重机和自拆卸方法
DE202017000243U1 (de) * 2017-01-16 2018-04-18 Liebherr-Werk Nenzing Gmbh Auslegerverstellvorrichtung für ein Arbeitsgerät

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1030624A (fr) * 1950-10-09 1953-06-16 Grue
DE1850560U (de) * 1960-03-01 1962-04-26 Tornborg & Lundberg Aktiebolag Baukran.
US3072265A (en) * 1960-10-28 1963-01-08 Manitowoc Engineering Corp Boom rigging
US3252585A (en) * 1964-12-21 1966-05-24 Harnischfeger Corp Rigging for mobile tower crane having a topping jib-boom
US3851767A (en) * 1970-02-13 1974-12-03 Richier Sa Tower cranes
DE3337163C2 (de) * 1983-10-12 1994-04-28 Liebherr Werk Biberach Gmbh Aufhängung einer Führerkabine an einem Turmdrehkran
DE3510116A1 (de) * 1984-04-25 1985-10-31 Liebherr-Werk Biberach Gmbh, 7950 Biberach Oben drehender turmkran
DE8709267U1 (de) * 1987-07-04 1987-08-20 Man Ghh Logistics Gmbh, 74076 Heilbronn Als Transport- und Montageeinheit ausgebildete Turmspitze eines oben drehenden Baukrans

Also Published As

Publication number Publication date
CA2679099A1 (fr) 2008-08-28
WO2008101631A1 (fr) 2008-08-28
ES2393258T3 (es) 2012-12-19
US20100084358A1 (en) 2010-04-08
AU2008217248A1 (en) 2008-08-28
DE102007009402B4 (de) 2009-10-08
AU2008217248B2 (en) 2011-09-22
DE102007009402A1 (de) 2008-08-28
EP2129609A1 (fr) 2009-12-09

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