EP2129609B1 - Jib boom rotating tower crane - Google Patents

Jib boom rotating tower crane 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
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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)
French (fr)
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EP2129609A1 (en
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
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Wolffkran AG
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    • 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

The invention relates to a jib boom rotating tower crane, wherein the counterweight/pinnacle system is divided into three trellises, a rotating frame trellis, a counterweight trellis, and a pinnacle trellis, wherein the counterweight trellis has a common side with each of the pinnacle trellis and the rotating frame trellis. The pinnacle trellis preferably comprises a beam to which a pulley block with a reeved luff cable can be attached.

Description

Die Erfindung betrifft einen Wippausleger-Turmdrehkran, dessen Gegenausleger-Turmspitz-System in Fachwerke aufgeteilt ist.The invention relates to a luffing jib tower crane whose counter jib tower spitz system is divided into trusses.

Turmkrane umfassen eine Kranbasis, von der ausgehend sich ein Turm nach oben erstreckt. An einem oberen Abschnitt des Turms ist ein Ausleger und möglicherweise ein Gegenausleger angebracht. Turmkrane sind zum Beispiel aus der Patentschrift DE 35 10 116 C2 bekannt. Bei oben drehenden Wippausleger-Turmdrehkranen ist am oberen Ende des Turms ein Drehrahmen angebracht. Oberhalb des Drehrahmens ist ein Gegenausleger-Turmspitz-System angeordnet, mit dem ein Ausleger verbunden ist, dessen Winkel zur horizontalen Ebene veränderbar ist. Bei einer Bauform von oben drehenden Wippausleger-Turmdrehkranen wird der Winkel des Auslegers zur horizontalen Ebene durch ein Wippseil bestimmt, dessen Länge über ein Seileinziehwerk eingestellt werden kann.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. For overhead luffing tower cranes, 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. In the case of a design of overhead luffing jib tower cranes, 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.

Aus der EP 0 298 391 B1 ist ein oben drehender Wippausleger-Turmdrehkran bekannt, der eine als Transport- und Montageeinheit ausgebildete Turmspitze aufweist. Nachteilig bei dieser Lösung ist jedoch, dass es sich bei dieser Turmspitze um ein sehr schweres Bauteil handelt, dessen Größe und Gewicht beim Transport, bei der Montage und bei der Demontage Schwierigkeiten bereiten. Die Größe der Turmspitze macht zudem extreme Genauigkeit beim Aufbau des Gegenausleger-Turmspitz-Systems erforderlich, da schon kleinste Abweichungen nur mit großem Aufwand korrigierbar sind.From the EP 0 298 391 B1 For example, an overhead rotary luffing tower tower crane is known which has a spire formed as a transport and mounting unit. The disadvantage of this solution, however, 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.

Der Erfindung liegt die Aufgabe zugrunde, einen oben drehenden Wippausleger-Turmdrehkran zur Verfügung zu stellen, dessen Gegenausleger-Turmspitz-System die beschriebenen Nachteile der bekannten Gegenausleger-Turmspitz-Systeme vermeidet.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.

Diese Aufgabe wird dadurch gelöst, dass das Gegenausleger-Turmspitz-System in drei Fachwerke mit den im Patentanspruch 1 bezeichneten Merkmalen aufgeteilt wird. Weitere Ausführungsformen sind Gegenstand der Unteransprüche oder nachfolgend beschrieben.This object is achieved in that the counter-jib-tower spike system is divided into three trusses with the features designated in claim 1. Further embodiments are the subject matter of the subclaims or described below.

Die erfindungsgemäße Aufteilung des Gegenausleger-Turmspitzen-Systems in Fachwerke schafft wesentlich leichtere Bauteile als aus der EP 0 298 391 B1 bekannt. Die Verbindungen zwischen den Stangen, die die Fachwerke bilden, können gelenkig ausgebildet sein, wodurch größere Toleranzen bei der Montage geschaffen werden. Die Fertigungskosten sind geringer, weil die Fachwerke aus vorgefertigten Profilen hergestellt werden können, wobei weniger Schweißarbeit erforderlich ist.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.

Als besonders vorteilhaft erweist sich die Erfindung, wenn es sich bei dem Wippausleger-Turmdrehkran um einen solchen handelt, bei dem der Winkel des Auslegers zur horizontalen Ebene durch ein Wippseil bestimmt wird, dessen Länge über ein Seileinziehwerk eingestellt werden kann.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.

Eine besonders vorteilhafte Ausführungsform der Erfindung sieht vor, dass das Seileinziehwerk an einem Element (Holm) des Turmspitzfachwerks befestigt ist und dass ein Rollenblock bei eingeschertem Wippseil von der Hauptabspannung des Auslegers lösbar und für den Transport dieses Elementes (Holms) des Turmspitzfachwerks fest, jedoch lösbar mit diesem verbunden ist. Dies hat den Vorteil, dass dieses Element des Turmspitzfachwerks als Transport- und Montageeinheit ausgebildet werden kann, so dass keine manuelle Seileinscherung beim Aufbau des Krans an der Baustelle mehr erforderlich ist.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 Hauptabspannung the boom releasably and for the transport of this element (Holms) of the spire lattice fixed, but solvable connected to this. This has the advantage that 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.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im Folgenden näher beschrieben:

Figur 1
zeigt das Gegenausleger-Turmspitz-System eines erfindungsgemäßen Wippausleger-Turmdrehkrans und
Figur 2
zeigt einen zum Turmspitzfachwerk gehörenden Holm im Transportzustand.
An embodiment of the invention is illustrated in the drawing and will be described in more detail below:
FIG. 1
shows the counterjib tower spike system of a luffing jib tower crane according to the invention and
FIG. 2
shows a belonging to the spire lattice spar in the transport state.

In Figur 1 ist ein Teil des oberen Bereichs eines erfindungsgemäßen Wippausleger-Turmdrehkrans in zwei verschiedenen Auslegerpositionen dargestellt. Am oberen Ende des Turms 1 ist ein Drehrahmen 2 angeordnet. Oberhalb des Drehrahmens 2 befindet sich das Gegenausleger-Turmspitz-System 3, mit dem der Ausleger 4 verbunden ist, dessen Winkel zur horizontalen Ebene durch ein Wippseil 5 bestimmt wird, dessen Länge über ein Seileinziehwerk 6 eingestellt werden kann. Das Gegenausteger-Turmspitz-System 3 ist in ein Drehrahmenfachwerk 7, ein Gegenauslegerfachwerk 8 und ein Turmspitzfachwerk 9 aufgeteilt, die aus der abgebildeten seitlichen Perspektive jeweils drei Seiten haben. Das Drehrahmenfachwerk 7 befindet sich unterhalb des Auslegers, d. h. unterhalb des Punktes, an dem der Ausleger 4 mit dem Gegenausleger-Turmspitz-System 3 verbunden ist. Das Drehrahmenfachwerk 7 setzt mit seiner Unterseite in einer horizontalen Ebene oberhalb des horizontalen Drehrahmens 2 an. Das Gegenauslegerfachwerk 8 hat je eine gemeinsame Seite mit dem Turmspitzfachwerk 9 und dem Drehrahmenfachwerk 7. Das Wippseil 5 ist unter mehrfacher Seileinscherung über Umlenkrollen 10 an der Spitze des zum Turmspitzfachwerk 9 gehörenden Holmes 9a und über den Rollenblock 11 zu einem Festpunkt 12 an der Spitze des Holmes 9a geführt. Die Umlenkrollen 10 und das Seileinziehwerk 6 sind sowohl beim Transport als auch im Betriebszustand mit dem Holm 9a verbunden. Der Rollenblock 11 ist beim Transport an dem Holms 9a fixiert. Im Betriebszustand des an der Baustelle montierten Krans ist der Rollenblock 11, nachdem er von dem Holm 9a gelöst worden ist, mit der Hauptabspannung 13 des Auslegers 4 verbunden.In 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. At the top End of the tower 1, a rotating frame 2 is arranged. 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.

In Figur 2 ist der zum Turmspitzfachwerk gehörende Holm 9a im Transportzustand gezeigt. Sowohl das Seileinziehwerk 6 als auch der Rollenblock 11 sind an den Holm 9a befestigt.In FIG. 2 is the belonging to the spire lattice spar 9a shown in the transport state. Both the Seileinziehwerk 6 and the roller block 11 are attached to the spar 9a.

Claims (3)

  1. A level-luffing tower slewing crane, comprising a tower, a rotating frame mounted on the upper end of the tower and a counter-jib tower-top system, arranged above the rotating frame, to which there is attached a jib whose angle to the horizontal plane can be altered, characterised in that the counter-jib tower-top system is divided into three frameworks: a rotating frame framework, a counter jib framework and a tower top framework, wherein the counter jib framework has a common side with each of the tower top framework and the rotating frame framework.
  2. A level-luffing tower slewing crane according to claim 1, characterised in that the angle of the jib to the horizontal plane is determined by a luffing cable whose length can be adjusted via a cable luffing gear.
  3. A level-luffing tower slewing crane according to claim 2, characterised in that the tower top framework comprises a member to which the cable luffing gear is secured, and in that a roller block can be detached from the main guying of the jib when the level luffing cable is reeved and can be connected to the member.
EP08715759A 2007-02-23 2008-02-14 Jib boom rotating tower crane Active EP2129609B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007009402A DE102007009402B4 (en) 2007-02-23 2007-02-23 Luffing jib tower crane
PCT/EP2008/001118 WO2008101631A1 (en) 2007-02-23 2008-02-14 Jib boom rotating tower crane

Publications (2)

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

Family

ID=39551816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715759A Active EP2129609B1 (en) 2007-02-23 2008-02-14 Jib boom rotating tower crane

Country Status (7)

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

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 (en) * 2014-12-16 2016-10-05 中联重科股份有限公司 Crane self-disassembling device, crane and self-disassembling method
DE202017000243U1 (en) * 2017-01-16 2018-04-18 Liebherr-Werk Nenzing Gmbh Boom adjustment device for a working device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1030624A (en) * 1950-10-09 1953-06-16 Crane
DE1850560U (en) * 1960-03-01 1962-04-26 Tornborg & Lundberg Aktiebolag BUILDING CRANE.
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 (en) * 1983-10-12 1994-04-28 Liebherr Werk Biberach Gmbh Suspension of a driver's cab on a tower crane
DE3510116A1 (en) * 1984-04-25 1985-10-31 Liebherr-Werk Biberach Gmbh, 7950 Biberach Tower crane slewing at the top
DE8709267U1 (en) * 1987-07-04 1987-08-20 Man Ghh Logistics Gmbh, 74076 Heilbronn Tower tip of a rotating construction crane designed as a transport and assembly unit

Also Published As

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

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