EP0298391B1 - Building crane with a turning mast head constructed as a transport and assembly unit - Google Patents

Building crane with a turning mast head constructed as a transport and assembly unit Download PDF

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Publication number
EP0298391B1
EP0298391B1 EP19880110546 EP88110546A EP0298391B1 EP 0298391 B1 EP0298391 B1 EP 0298391B1 EP 19880110546 EP19880110546 EP 19880110546 EP 88110546 A EP88110546 A EP 88110546A EP 0298391 B1 EP0298391 B1 EP 0298391B1
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EP
European Patent Office
Prior art keywords
tower
jib
assembly unit
transport
crane
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
EP19880110546
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German (de)
French (fr)
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EP0298391A1 (en
Inventor
Werner Bantle
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.)
MAN GHH Logistics GmbH
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MAN GHH Logistics GmbH
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Publication of EP0298391A1 publication Critical patent/EP0298391A1/en
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Publication of EP0298391B1 publication Critical patent/EP0298391B1/en
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
    • B66C23/18—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
    • 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

Definitions

  • the invention relates to a top-rotating construction crane with a spire designed as a transport and assembly unit, a jib and a rope pull-in mechanism attached to a carrier of the spire, which jibs the jib in and out, the luffing rope of which has at least one deflection pulley arranged at the top of the spire and at least one a further deflecting roller, which is mounted in a roller carrier and is connected to the house bracing of the boom via the roller carrier, is guided back to the top of the tower and fastened there.
  • a similar crane suitable for high-rise buildings is known from NL-A-98241 (DE-B-1064223).
  • the cable pulling mechanism that luffers the boom in and out sits in the top of the tower, namely between the rotating frame and a tower platform holding the boom and the counterjib.
  • the luffing rope is guided via deflection rollers at the top of the tower top to a roller block connected to the boom. Details of the assembly units in which the tower top can be dismantled for transport are not explained in NL-A-98241.
  • the transport and assembly unit of the spire includes the rope pulling-in mechanism and that the roller carrier can be detached from the main guying of the jib when the seesaw is sheared and fixedly but releasably connected to the spire for transportation.
  • the top of the tower has a lower part 1a, a rotating frame 1b with rotating mechanism and a mast piece 1c, which is inclined in the direction of a counterjib 2 and is constructed in a half-timbered construction.
  • the mast section 1c is provided in its lower region with a horizontal support 3 which runs between the upper and lower longitudinal spars 4a, 4b and is firmly connected to them.
  • a cable retractor 5 is attached to the support 3, which essentially consists of a cable drum 6 and its motor drive and enables a rocker arm 13 pivoted about a horizontal axis to be pivoted in and out on the top of the tower.
  • a seesaw rope 7 is fastened, which is guided under multiple rope reeving via - for example four - deflection rollers 8 at the top of the mast piece 1c of the tower top and further - for example four - deflection rollers 9 to a fixed point 11 at the top of the tower top .
  • the deflecting rollers 8 and 9 are mounted on common horizontal axes and are supported via their axes in corresponding recesses in their supporting structure.
  • the supporting structure of the deflecting rollers 8 and the pull-in mechanism 5 are connected to the top of the tower both in the case of transport and assembly and in the operating state of the crane.
  • the support structure 10 together with deflection rollers 9 - the so-called roller block - is fixed, but releasably, in the case of transport and assembly of the tower top via bolt-hole connections on a cross member 17 of the upper longitudinal spars 4a.
  • the roller block 9, 10 In the operating state of the construction crane assembled at the construction site, the roller block 9, 10, after it has been detached from the top of the tower, is connected to a main guying 12 of the jib 13 in a fixed but releasable manner.
  • the tower top fully assembled in the manufacturing plant - ie the mast section 1c with the integrated retractor 5 and the luffing rope 7 Deflection rollers 8, the reeved roller block 9, 10, a counter jib bracing 16, the rotating frame 1b and the lower part 1a - is placed in a known manner on the last tower section of the construction crane and bolted there. Then the counter jib 2 and the jib 13 are mounted and counterweights 14 are pulled up and suspended.

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

Description

Die Erfindung betrifft einen oben drehenden Baukran mit einer als Transport- und Montageeinheit ausgebildeten Turmspitze, einem Ausleger und einem an einem Träger der Turmspitze befestigten, den Ausleger ein- und auswippenden Seileinziehwerk, dessen Wippseil über wenigstens eine an der Spitze der Turmspitze angeordnete Umlenkrolle und wenigstens eine in einem Rollenträger gelagerte und über den Rollenträger mit der Hausptabspannungeles Auslegers verbundene, weitere Umlenkrolle zurück zur Spitze der Turmspitze geführt und dort befestigt ist.The invention relates to a top-rotating construction crane with a spire designed as a transport and assembly unit, a jib and a rope pull-in mechanism attached to a carrier of the spire, which jibs the jib in and out, the luffing rope of which has at least one deflection pulley arranged at the top of the spire and at least one a further deflecting roller, which is mounted in a roller carrier and is connected to the house bracing of the boom via the roller carrier, is guided back to the top of the tower and fastened there.

Bekannte, oben rehende Baukrane mit an einer Turmspitze angeordnetem Wippausleger und einem Gegenausleger umfassen zum Ein- und Auswippen des Auslegers ein Seileinziehwerk bzw. Wippwerk, das auf dem Gegenausleger bzw. in einem hinter der Turmspitze sich befindenden Maschinenhaus angeordnet ist. Bisher wurden für den Turmkopf eines solchen Krans die Turmspitze, der Gegenausleger bzw. das Maschinenhaus und ein im Betriebszustand des Krans an einer Hauptabspannung des Auslegers befestigter, das Wippseil des Seileinziehwerks einscherender Rollenblock als getrennte Einheiten zum Kranaufstellungsort transportiert. Da das Seileinziehwerk am Gegenausleger, die Umlenkrollen des Wippseils jedoch an der Turmspitze einerseits und dem Rollenblock andererseits vorgesehen waren, konnte das Einscheren des Wippseils nicht im Herstellerwerk, sondern nur manuell an der Baustelle vorgenommen werden. Die manuelle Seileinscherung an der Baustelle ist jedoch anstrengend und erhöht die Montagezeit.Known, top-rehabilitated construction cranes with a luffing jib arranged on a tower top and a counter jib To rock the boom in and out, a rope pull-in mechanism or luffing mechanism, which is arranged on the counter-boom or in a machine house located behind the top of the tower. So far, for the tower head of such a crane, the top of the tower, the counter jib or the machine house and a roller block fastened to the main bracing of the boom in the operating state of the crane and shearing the luffing rope of the rope retractor were transported as separate units to the crane installation site. Since the rope pull-in mechanism was provided on the counter jib, but the deflection pulleys of the luffing rope were provided on the top of the tower on the one hand and the roller block on the other hand, the luffing rope could not be reeved in at the manufacturing plant, but only manually at the construction site. However, manual rope reeving at the construction site is exhausting and increases the assembly time.

Ein für Hochhausbauten geeigneter, ähnlicher Kran ist aus der NL-A-98241 (DE-B-1064223) bekannt. Bei diesem Kran sitzt das den Ausleger ein- und auswippende Seileinzugwerk in der Turmspitze und zwar zwischen deren Drehrahmen und einer den Ausleger und den Gegenausleger haltenden Turmplattform. Das Wippseil ist über Umlenkrollen an der Spitze der Turmspitze zu einem mit dem Ausleger verbundenen Rollenblock geführt. Einzelheiten, in welche Montageeinheiten die Turmspitze für den Transport zerlegbar ist, sind in der NL-A-98241 nicht erläutert.A similar crane suitable for high-rise buildings is known from NL-A-98241 (DE-B-1064223). In this crane, the cable pulling mechanism that luffers the boom in and out sits in the top of the tower, namely between the rotating frame and a tower platform holding the boom and the counterjib. The luffing rope is guided via deflection rollers at the top of the tower top to a roller block connected to the boom. Details of the assembly units in which the tower top can be dismantled for transport are not explained in NL-A-98241.

Es ist Aufgabe der Erfindung einen Baukran zu schaffen, dessen Turmkopf an einer Baustelle in relativ kurzer Zeit montiert bzw. demontiert werden kann.It is an object of the invention to provide a construction crane whose tower head can be assembled or disassembled in a relatively short time at a construction site.

Ausgehend von dem eingangs erläuterten, oben drehenden Baukran wird diese Aufgabe erfindungsgemäß dadurch gelöst, daß die Transport- und Montageeinheit der Turmspitze das Seileinziehwerk umfaßt und daß der Rollenträger bei eingeschertem Wippseil von der Hauptabspannung des Ausgelers lösbar und für den Transport der Turmspitze fest, jedoch lösbar mit dieser verbindbar ist.Starting from the above-described construction crane rotating above, this object is achieved according to the invention in that the transport and assembly unit of the spire includes the rope pulling-in mechanism and that the roller carrier can be detached from the main guying of the jib when the seesaw is sheared and fixedly but releasably connected to the spire for transportation.

Bei einem solchen Baukran, bei welchem das Seileinziehwerk in die Transport- und Montageeinheit der Turmspitze integriert ist, wird das Wippseil bereits im Herstellerwerk maschinell eingeschert und die Turmspitze wird mit dem an ihr fixierten Rollenträger des Rollenblocks zur Baustelle transportiert. Die Montage bzw. Demontage des Turmkopfs an der Baustelle ist relativ einfach und zeitsparend.In the case of such a construction crane, in which the rope pulling-in mechanism is integrated in the transport and assembly unit of the tower tip, the seesaw rope is already reeved mechanically in the manufacturing plant and the tower tip is transported to the construction site with the roller carrier of the roller block fixed to it. The assembly or disassembly of the tower head on the construction site is relatively simple and time-saving.

In der Zeichnung ist ein Ausführungsbeispiel eines erfindungsgemäßen, oben drehenden Baukrans schematisch dargestellt. Es zeigt:

Figur 1
eine Seitenansicht auf eine Turmspitze des Baukrans im Montagezustand;
Figur 2
eine Ansicht auf die Turmspitze im Montagezustand, gesehen in Richtung eines Pfeils A in Figur 1 und
Figur 3
eine Seitenansicht auf den Turmkopf des Baukrans im Betriebszustand.

In the drawing, an embodiment of an overhead crane according to the invention, shown above, is shown schematically. It shows:
Figure 1
a side view of a spire of the construction crane in the assembled state;
Figure 2
a view of the spire in the assembled state, seen in the direction of an arrow A in Figure 1 and
Figure 3
a side view of the tower head of the construction crane in the operating state.

Die Turmspitze weist ein Unterteil 1a, einen Drehrahmen 1b mit Drehwerk und ein in Richtung eines Gegenauslegers 2 schräg stehendes, in Fachwerkbauweise ausgeführtes Maststück 1c auf. Das Maststück 1c ist in seinem unteren Bereich mit einem waagrechten Träger 3 versehen, der zwischen oberen und unteren Längsholmen 4a, 4b verläuft und mit diesen fest verbunden ist. Auf dem Träger 3 ist Seil- Einziehwerk 5 befestigt, das im wesentlichen aus einer Seiltrommer 6 und deren motorischem Antrieb besteht und das Ein- und Auswippen eines an der Turmspitze um eine waagrechte Achse schwenkbar angelenkten wipp- Auslegers 13 ermöglicht. Auf der Seiltrommel 6 ist ein Wippseil 7 befestigt, das unter mehrfacher Seileinscherung über ― beispielsweise vier -- Umlenkrollen 8 an der Spitze des Maststücks 1c der Turmgspitze und weitere ― beispielsweise vier ― Umlenkrollen 9, zu einem Festpunkt 11 an der Spitze der Turmspitze geführt ist. Die Umlenkrollen 8 bzw. 9 sind auf jeweils gemeinsamen waagrechten Achsen gelagert und über ihre Achsen in entsprechenden Ausnehmungen ihrer Tragkonstruktion abgestützt. Die Tragkonstruktion der Umlenkrollen 8 und das Einziehwerk 5 sind sowohl im Transport- und Montagefall als auch im Betriebszustand der Krans mit der Turmspitze verbunden.The top of the tower has a lower part 1a, a rotating frame 1b with rotating mechanism and a mast piece 1c, which is inclined in the direction of a counterjib 2 and is constructed in a half-timbered construction. The mast section 1c is provided in its lower region with a horizontal support 3 which runs between the upper and lower longitudinal spars 4a, 4b and is firmly connected to them. A cable retractor 5 is attached to the support 3, which essentially consists of a cable drum 6 and its motor drive and enables a rocker arm 13 pivoted about a horizontal axis to be pivoted in and out on the top of the tower. On the cable drum 6, a seesaw rope 7 is fastened, which is guided under multiple rope reeving via - for example four - deflection rollers 8 at the top of the mast piece 1c of the tower top and further - for example four - deflection rollers 9 to a fixed point 11 at the top of the tower top . The deflecting rollers 8 and 9 are mounted on common horizontal axes and are supported via their axes in corresponding recesses in their supporting structure. The supporting structure of the deflecting rollers 8 and the pull-in mechanism 5 are connected to the top of the tower both in the case of transport and assembly and in the operating state of the crane.

Die Tragkonstruktion 10 samt Umlenkrollen 9 ― der sogennante Rollenblock ― ist im Transport- und Montagefall der Turmspitze über Bolzen-Lochverbindungen an einem Querträger 17 der oberen Längsholme 4a fest, aber lösbar, fixiert. ― Im Betriebszustand des an der Baustelle montierten Baukrans ist der Rollenblock 9, 10, nachdem er von der Turmspitze gelöst worden ist, mit einer Hauptabspannung 12 des Auslegers 13 fest, jedoch lösbar, verbunden.The support structure 10 together with deflection rollers 9 - the so-called roller block - is fixed, but releasably, in the case of transport and assembly of the tower top via bolt-hole connections on a cross member 17 of the upper longitudinal spars 4a. - In the operating state of the construction crane assembled at the construction site, the roller block 9, 10, after it has been detached from the top of the tower, is connected to a main guying 12 of the jib 13 in a fixed but releasable manner.

Die im Herstellerwerk fertig montierte Turmspitze ― d. h. das Maststück 1c mit dem darin integriertem Einziehwerk 5 und dem Wippseil 7, den Umlenkrollen 8, dem eingescherten Rollenblock 9, 10, einer Gegenauslegerabspannung 16, dem Drehrahmen 1b und dem Unterteil 1a ― wird in an sich bekannter Weise auf das letzte Turmstück des Baukrans gesetzt und dort verboltz. Anschließend werden der Gegenausleger 2 und der Ausleger 13 montiert sowie Gegengewichte 14 hochgezogen und eingehängt. Sodann werden die den Rollenblock 9, 10 mit dem Maststück 1c verbindenden Bolzen 15 gelöst und der Rollenblock 9, 10 wird mittels eines Autokrans von der Turmspitze zu der Hauptabspannung 12 des Auslegers 13, unter gleichzeitigen Abspulen des Wippseils 7 von der Seiltrommel 6, gezogen und mit der Hauptabspannung 12 verbolzt.The tower top fully assembled in the manufacturing plant - ie the mast section 1c with the integrated retractor 5 and the luffing rope 7 Deflection rollers 8, the reeved roller block 9, 10, a counter jib bracing 16, the rotating frame 1b and the lower part 1a - is placed in a known manner on the last tower section of the construction crane and bolted there. Then the counter jib 2 and the jib 13 are mounted and counterweights 14 are pulled up and suspended. Then the bolts 15 connecting the roller block 9, 10 to the mast piece 1c are loosened and the roller block 9, 10 is pulled by means of a mobile crane from the top of the tower to the main guy 12 of the jib 13, while simultaneously unwinding the seesaw rope 7 from the rope drum 6 bolted to the main guy 12.

Claims (1)

1. A building crane with a rotatable tower head (1a, 1b, 1c) in the form of a transportation and assembly unit, with a jib (13) and a cable luffing gear (5) which is secured to a support (3) of the tower head (1a, 1b, 1c), which luffs the jib (13) in and out and the luffing cable (7) of which is guided over at least one guide pulley (8) mounted at the tip of the tower head (1a, 1b, 1c) and over at least one further guide pulley (9), which is mounted in a pulley support (10) and which is connected via the pulley support (10) to the principal guy means (12) of the jib (13), back to the tip of the tower head (1a, 1b, 1c) and is secured thereto, characterised in that the transportation and assembly unit of the tower head (1a, 1b, 1c) comprises the cable luffing gear (5), and in that when the luffing cable (7) is reeved the pulley support (10) can be released from the principal guy means (12) of the jib (13) and for transportation of the tower head (1a, 1b, 1c) it can be connected securely but releasably thereto.
EP19880110546 1987-07-04 1988-07-01 Building crane with a turning mast head constructed as a transport and assembly unit Expired - Lifetime EP0298391B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8709267U 1987-07-04
DE8709267U DE8709267U1 (en) 1987-07-04 1987-07-04 Tower tip of a rotating construction crane designed as a transport and assembly unit

Publications (2)

Publication Number Publication Date
EP0298391A1 EP0298391A1 (en) 1989-01-11
EP0298391B1 true EP0298391B1 (en) 1991-10-09

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ID=6809747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880110546 Expired - Lifetime EP0298391B1 (en) 1987-07-04 1988-07-01 Building crane with a turning mast head constructed as a transport and assembly unit

Country Status (2)

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EP (1) EP0298391B1 (en)
DE (1) DE8709267U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009402A1 (en) 2007-02-23 2008-08-28 Wolffkran Ag Luffing jib tower crane

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706882B1 (en) * 1993-06-22 1995-08-11 Potain Sa
FR2756551B1 (en) * 1996-12-03 1999-01-15 Potain Sa METHOD AND DEVICE FOR MOUNTING THE TIE RODS OF TOWER CRANE BOOMS
FR2892405B1 (en) * 2005-10-26 2007-12-07 Potain Soc Par Actions Simplif METHOD AND DEVICE FOR MOUNTING A CRANE WITH AN ADJUSTABLE ARROW
DE102007019747B4 (en) 2007-04-20 2009-02-05 Wilbert Turmkrane Gmbh Luffing crane with transport bracket for roller blocks
ES2344493B1 (en) * 2007-08-03 2011-06-06 Linden Comansa, S.L . IMPROVEMENTS IN FOLDING PEN CRANES.
DE102012019248A1 (en) * 2012-09-28 2014-04-03 Liebherr-Werk Biberach Gmbh Tower Crane
DE202017000243U1 (en) * 2017-01-16 2018-04-18 Liebherr-Werk Nenzing Gmbh Boom adjustment device for a working device

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Publication number Priority date Publication date Assignee Title
NL98241C (en) *
GB191415558A (en) * 1914-02-18 1915-02-18 Charles Wolfe Blue Improvements in and relating to Tower Derricks.
GB322574A (en) * 1928-10-01 1929-12-12 Caswell Cranes & Erection Ltd Improvements in and connected with tower cranes
FR1051231A (en) * 1951-08-23 1954-01-14 Lifting gear
DE1188783B (en) * 1962-08-10 1965-03-11 Hilgers A G Climbing crane
DE2217379B2 (en) * 1972-04-11 1981-04-30 Tax, Hans, 8000 München Tower crane with jib near top - has hoist winch cab and switchgear permanently wired up in container
JPS5087676U (en) * 1973-05-09 1975-07-25
DE3226211C2 (en) * 1981-12-21 1986-06-12 Liebherr-Werk Biberach Gmbh, 7950 Biberach Tower crane
DE3510116A1 (en) * 1984-04-25 1985-10-31 Liebherr-Werk Biberach Gmbh, 7950 Biberach Tower crane slewing at the top

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009402A1 (en) 2007-02-23 2008-08-28 Wolffkran Ag Luffing jib tower crane
DE102007009402B4 (en) * 2007-02-23 2009-10-08 Wolffkran Ag Luffing jib tower crane

Also Published As

Publication number Publication date
DE8709267U1 (en) 1987-08-20
EP0298391A1 (en) 1989-01-11

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