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EP1068144B1 - Ring lifting crane - Google Patents

Ring lifting crane Download PDF

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Publication number
EP1068144B1
EP1068144B1 EP99924713A EP99924713A EP1068144B1 EP 1068144 B1 EP1068144 B1 EP 1068144B1 EP 99924713 A EP99924713 A EP 99924713A EP 99924713 A EP99924713 A EP 99924713A EP 1068144 B1 EP1068144 B1 EP 1068144B1
Authority
EP
European Patent Office
Prior art keywords
ring
counterweight
mast
free end
support
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
EP99924713A
Other languages
German (de)
French (fr)
Other versions
EP1068144A1 (en
Inventor
Manfred Kretschmer
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.)
Terex Demag GmbH and Co KG
Original Assignee
Terex Demag GmbH and Co KG
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 Terex Demag GmbH and Co KG filed Critical Terex Demag GmbH and Co KG
Publication of EP1068144A1 publication Critical patent/EP1068144A1/en
Application granted granted Critical
Publication of EP1068144B1 publication Critical patent/EP1068144B1/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
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • 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
    • 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
    • B66C23/84—Slewing gear

Definitions

  • the invention relates to a ring lift crane according to the preamble of Claim 1.
  • a genre-trained ring lift crane is known from the company brochure Mannesmann Demag special machinery "Ringlift Cranes" CC 2000 RL; CC 4000 RL, Issue 11/82.
  • This known ring lift crane has one that can be raised and one a circular lane forming ring, which consists of several interconnectable Segments.
  • An undercarriage is rotatable within the ring connected superstructure and having multiple winches.
  • the uppercarriage is connected to both ends with an adapter, which is by means of rockers connected to one another on the adapters Support roller sets on the circular track of the ring.
  • One is an adapter to accommodate a counterweight and the other adapter as a supporting element for a boom which can be arranged articulated at the free end of the adapter (Main boom + mast) trained.
  • the rotary movement of the ring lift crane is by means of a toothed ring arranged on the inside of the ring and in it engaging pinion mounted on rockers.
  • To stabilize the Overall construction is the undercarriage with different reinforcement struts Sections of the ring connected.
  • the tip of the mast is on the one hand Bracing with the counterweight and on the other hand via a length-adjustable Rope guying connected to the head of the main boom.
  • This Ringlift crane consists of a stand-up ring that forms a circular track and a construction inside the ring with a kingpin and one Platform which is provided with a sleeve for receiving the kingpin.
  • the platform is connected to an adapter in each of the two end areas Support roller sets on the ring by rolling on the adapters, whereby the center of the ring forms the axis of rotation for the platform.
  • On the platform there are several winches and a counterweight on the rear adapter.
  • On the front adapter there is a main boom and a mast (counter jib) hinged attached.
  • the one-piece ring is secant and within the Stiffened ring struts.
  • Ring lift cranes of the type described above can only be used in the prior art an elaborate assembly or disassembly procedure erected or filed become.
  • the object of the invention is to provide a ring lift crane of the generic type, which can be easily erected and stored.
  • the mast and the main boom are erected in a simple manner or store.
  • the guy support and the auxiliary winch are preferably both the guy support and the auxiliary winch arranged on one side outside the working area of the main winches.
  • the guy support and auxiliary winch are connected by a cable drive with correspondingly on the free end of the guy support as well as on the support rods arranged roller sets.
  • the length and the linkage on the mast of the Guy supports are chosen so that after erecting the mast Head area of the guy support can be placed on the counterweight. This has the Advantage that the winch operation is also free from the side of the guy support remains accessible.
  • FIG. 1 shows a schematic diagram of the arrangement of a mast 1 in a first position before its erection.
  • the movable ring lift crane shown here consists of an undercarriage, here a crawler track 2 and one arranged above it, cantilevered support element designed on both sides 3.
  • the support element 3 is rolling in both end areas on the one Crawler chassis 2 ring from.
  • the ring is designed as a double ring 4.
  • the double ring 4 is by means of several supports 5 on the Floor 6 elevated.
  • To the erected ring lift crane as a whole using the To be able to move crawler tracks 2 are at the ends of the support element 3 one piston-cylinder unit 7,7 'each.
  • the piston-cylinder units 7,7 ' are designed so that they can lift the ring lift crane as a whole to to lock the support element 3 with the crawler track 2.
  • the main winches 8-11 are arranged in the middle of the Main element 3.
  • a counterweight 12 is arranged on the support element 3, which by Support rods 13, 14 is supported laterally.
  • the mast 1 is arranged articulated.
  • Erecting and placing the mast 1 on the counterweight 12 facing Side a guy support 15 arranged articulated.
  • the free end of the Guy support is on the one hand with a guy 16 and on the other hand with a length-adjustable rope guying 17 connected.
  • the other end of the rope guy 17 is with the head region of the support rods 13, 14 of the counterweight 12 connected. From there, the free end of the rope 32 runs to one on the Support element arranged auxiliary winch 20.
  • the direction of installation for the guy support 15 is marked with an arrow 18.
  • To the mast 1 level with the To be able to arrange the support element is, in the alternative, a platform 19 on the head region underpinned.
  • FIG. 2 shows a further position in which, after the guy support 15 has been set up and the tension 16 under tension is the mast 1 shortly before erection.
  • the installation direction for the mast 1 is marked with an arrow 21.
  • Figure 4 shows in a last position the end position of the mast 1 just before Raising the main boom 22.
  • the details of this final phase are as Detail A shown in Figures 5 and 6.
  • the end region of the guy support 15 has a 16 for fastening the guy web plate 25 provided with a connecting eye 24.
  • a roller set 30 is arranged, which with a a tab 33 swinging on the guy support 15 arranged roller set 31st interacts.
  • the two roller sets 30.31 is the one already mentioned Rope guying 17 arranged, the free rope end 32 led to the auxiliary winch 20 is.
  • the end of the guy support 15 is below the roller set 31 Support plate 35 arranged.
  • FIG. 5 now shows a position in which, by tightening the cable guying 17 the guying 16 is relieved to the shortest distance, so that it according to the arrow 34 from the end of the guy support 15 to the support rods 13,14 can be reassigned.
  • the rope guying 17 can be carried out according to FIG of the support plate 35 are placed on the upper edge of the counterweight 12. The guy support 15 is thus relieved and the mast 1 is fixed via the guy 16, which is now fixed to the support rods 13,14 Counterweight 12 is connected.
  • Figure 7 shows a view in the direction X in Figure 2. In this view is the one-sided Arrangement of the auxiliary winch 20 and the roller set 30 outside the area of Main winches 8-11 recognizable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Control And Safety Of Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

A ringlift crane having a ring which can be elevated and forms an annular track. Arranged within the ring is a standardized undercarriage from a first crane class and a standardized upper carriage, which is connected for stewing action to the undercarriage and has a plurality of hoisting winches. The upper carriage is connected to one adapter in both end regions. The adapters are supported with rolling action on the annular track of the ring by rollers. The center point of the ring and/or of the undercarriage forms the stewing axis. One adapter is designed for accommodating a counterweight and the other adapter is designed as a load-bearing element for the main boom and the mast (counter-boom) which can be articulated at the free end of the adapter. The top of the mast is connected, on the one hand, to the counterweight via a stay cable and, on the other hand, to the head of the main boom via a changeable-length cable stay. A stay support is articulated on that side of the mast which is inclined toward the counterweight. The free end of the stay support is connected to the free end of the load-bearing bars of the counterweight via a changeable-length cable stay. The free cable end of the cable stay is connected to an auxiliary hoisting winch arranged on the load-bearing element.

Description

Die Erfindung betrifft einen Ringliftkran gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a ring lift crane according to the preamble of Claim 1.

Ein gattungsmäßig ausgebildeter Ringliftkran ist bekannt aus dem Firmenprospekt Mannesmann Demag Baumaschinen "Ringlift Cranes" CC 2000 RL; CC 4000 RL, Ausgabe 11/82. Dieser bekannte Ringliftkran weist einen aufständerbaren und einen eine Kreisfahrbahn bildenden Ring auf, der aus mehreren miteinander verbindbaren Segmenten besteht. Innerhalb des Ringes ist ein Unterwagen und ein damit drehbar verbundener und mehrere Winden aufweisender Oberwagen angeordnet. Der Oberwagen ist in beiden Endbereichen mit je einem Adapter verbunden, die sich mittels an den Adaptern angeordneter über Schwingen miteinander verbundener Rollensätze auf der Kreisfahrbahn des Ringes abrollend abstützen. Dabei bildet der Mittelpunkt des Ringes bzw. des Unterwagens die Drehachse. Der eine Adapter ist zur Aufnahme eines Gegengewichtes und der andere Adapter als Tragelement für einen am freien Ende des Adapters angelenkt anordenbaren Ausleger (Hauptausleger + Mast) ausgebildet. Die Drehbewegung des Ringliftkranes wird mittels eines auf der Innenseite des Ringes angeordneten Zahnkranzes und darin eingreifender über Schwingen gelagerter Ritzel erzeugt. Zur Stabilisierung der Gesamtkonstruktion ist der Unterwagen über Versteifungsstreben mit verschiedenen Abschnitten des Ringes verbunden. Die Spitze des Mastes ist einerseits über eine Abspannung mit dem Gegengewicht und andererseits über eine längenveränderbare Seil-Abspannung mit dem Kopf des Hauptauslegers verbunden.A genre-trained ring lift crane is known from the company brochure Mannesmann Demag special machinery "Ringlift Cranes" CC 2000 RL; CC 4000 RL, Issue 11/82. This known ring lift crane has one that can be raised and one a circular lane forming ring, which consists of several interconnectable Segments. An undercarriage is rotatable within the ring connected superstructure and having multiple winches. The The uppercarriage is connected to both ends with an adapter, which is by means of rockers connected to one another on the adapters Support roller sets on the circular track of the ring. The forms The center of rotation of the ring or undercarriage. One is an adapter to accommodate a counterweight and the other adapter as a supporting element for a boom which can be arranged articulated at the free end of the adapter (Main boom + mast) trained. The rotary movement of the ring lift crane is by means of a toothed ring arranged on the inside of the ring and in it engaging pinion mounted on rockers. To stabilize the Overall construction is the undercarriage with different reinforcement struts Sections of the ring connected. The tip of the mast is on the one hand Bracing with the counterweight and on the other hand via a length-adjustable Rope guying connected to the head of the main boom.

Eine vergleichbare Konstruktion ist aus der US-PS 4,103,783 bekannt. Dieser Ringliftkran besteht aus einem aufständerbaren Ring, der eine Kreisfahrbahn bildet und einer Konstruktion innerhalb des Ringes mit einem Königszapfen und einer Plattform, die mit einer Muffe zur Aufnahme des Königszapfens versehen ist. Die Plattform ist in beiden Endbereichen mit je einem Adapter verbunden, die sich mittels an den Adaptern angeordneter Rollensätze auf dem Ring abrollend abstützen, wobei der Mittelpunkt des Ringes die Drehachse für die Plattform bildet. Auf der Plattform sind mehrere Winden und auf dem hinteren Adapter ein Gegengewicht angeordnet. Auf dem vorderen Adapter sind ein Hauptausleger sowie ein Mast (Gegenausleger) angelenkt befestigt. Der einteilige Ring ist durch sekantenmäßig und innerhalb des Ringes verlaufende Streben versteift.A comparable construction is known from US Pat. No. 4,103,783. This Ringlift crane consists of a stand-up ring that forms a circular track and a construction inside the ring with a kingpin and one Platform which is provided with a sleeve for receiving the kingpin. The The platform is connected to an adapter in each of the two end areas Support roller sets on the ring by rolling on the adapters, whereby the center of the ring forms the axis of rotation for the platform. On the platform there are several winches and a counterweight on the rear adapter. On the front adapter there is a main boom and a mast (counter jib) hinged attached. The one-piece ring is secant and within the Stiffened ring struts.

Ringliftkräne der zuvor erläuterten Art können nach dem Stand der Technik nur in einem aufwendigen Montage- bzw. Demontageverfahren aufgerichtet oder abgelegt werden.Ring lift cranes of the type described above can only be used in the prior art an elaborate assembly or disassembly procedure erected or filed become.

Aufgabe der Erfindung ist es, einen Ringliftkran der gattungsmäßigen Art anzugeben, der in einfacher Weise aufgerichtet und abgelegt werden kann.The object of the invention is to provide a ring lift crane of the generic type, which can be easily erected and stored.

Diese Aufgabe wird ausgehend vom Oberbegriff in Verbindung mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Ausgestaltungen sind Bestandteil von Unteransprüchen.This task is based on the generic term in conjunction with the characterizing features of claim 1 solved. advantageous Refinements are part of subclaims.

Erfindungsgemäß ist auf der dem Gegengewicht zugewandten Seite des Mastes eine Abspannstütze angeordnet. Das freie Ende dieser Abspannstütze ist über eine längenveränderbare Seil-Abspannung mit dem freien Ende der Tragstangen des Gegengewichtes verbunden. Das freie Ende der Seil-Abspannung ist wiederum mit einer auf dem Tragelement angeordneten Hilfswinde verbunden. Diese Anordnung ermöglicht es, in einfacher Weise den Mast und den Hauptausleger aufzurichten bzw. abzulegen. Um den normalen Windenbetrieb insbesondere für das Hubseil nicht zu beeinträchtigen, ist vorzugsweise sowohl die Abspannstütze als auch die Hilfswinde einseitig außerhalb des Arbeitsbereiches der Hauptwinden angeordnet.According to the invention is on the side of the mast facing the counterweight Guy support arranged. The free end of this guy support is over one length-adjustable rope guying with the free end of the support rods of the Counterweight connected. The free end of the rope guy is again with connected to an auxiliary winch arranged on the support element. This arrangement enables the mast and the main boom to be erected in a simple manner or store. To avoid normal winch operation, especially for the hoisting rope affect, is preferably both the guy support and the auxiliary winch arranged on one side outside the working area of the main winches.

Die Verbindung zwischen Abspannstütze und Hilfswinde erfolgt über einen Seiltrieb mit entsprechend am freien Ende der Abspannstütze als auch an den Tragstangen angeordneten Rollensätzen. Die Länge und der Anlenkort am Mast der Abspannstütze sind so gewählt, daß nach dem Aufrichten des Mastes der Kopfbereich der Abspannstütze auf dem Gegengewicht ablegbar ist. Dies hat den Vorteil, daß der Windenbetrieb auch von der Seite der Abspannstütze her frei zugänglich bleibt.The guy support and auxiliary winch are connected by a cable drive with correspondingly on the free end of the guy support as well as on the support rods arranged roller sets. The length and the linkage on the mast of the Guy supports are chosen so that after erecting the mast Head area of the guy support can be placed on the counterweight. This has the Advantage that the winch operation is also free from the side of the guy support remains accessible.

In der Zeichnung wird anhand der Darstellung der Abfolge verschiedener Positionen die erfindungsgemäße Aufrichtung eines verfahrbaren Ringliftkranes erläutert. Es zeigen:

Figur 1
Ausgangsposition der Anordnung des Mastes am Tragelement
Figur 2
Position unmittelbar vor der Aufrichtung des Mastes
Figur 3
Position der Teilaufrichtung des Mastes und Anordnung des Hauptauslegers am Tragelement
Figur 4
Position des aufgerichteten Mastes vor der Aufrichtung des Hauptauslegers
Figur 5
Detaildarstellung des Umhängens der Abspannung
Figur 6
Detaildarstellung der Ablage der Abspannstütze
Figur 7
Ansicht in Richtung X in Figur 2
In the drawing, the erection of a movable ring lift crane according to the invention is explained based on the representation of the sequence of different positions. Show it:
Figure 1
Starting position of the arrangement of the mast on the support element
Figure 2
Position immediately before the mast is erected
Figure 3
Position of the partial erection of the mast and arrangement of the main boom on the support element
Figure 4
Position of the erected mast before the main boom is erected
Figure 5
Detail of the hanging of the guying
Figure 6
Detailed representation of the storage of the guy support
Figure 7
View in the direction X in FIG. 2

Figur 1 zeigt als Prinzipskizze in einer ersten Position die Anordnung eines Mastes 1 vor dessen Aufrichtung. Der hier dargestellte verfahrbare Ringliftkran besteht aus einem Unterwagen, hier ein Raupenfahrwerk 2 und einem darüber angeordneten, nach beiden Seiten hin auskragenden als Brückenträger ausgebildeten Tragelement 3. Das Tragelement 3 stützt sich in beiden Endbereichen abrollend auf einem das Raupenfahrwerk 2 umfassenden Ring ab. In diesem Ausführungsbeispiel ist der Ring als Doppelring 4 ausgebildet. Der Doppelring 4 ist mittels mehrerer Stützen 5 auf dem Boden 6 aufgeständert. Um den aufgerichteten Ringliftkran als Ganzes mittels des Raupenfahrwerkes 2 verfahren zu können, sind an den Enden des Tragelementes 3 je eine Kolben-Zylinder-Einheit 7,7' angeordnet. Die Kolben-Zylinder-Einheiten 7,7' sind so ausgelegt, daß sie den Ringliftkran als Gesamteinheit anheben können, um das Tragelement 3 mit dem Raupenfahrwerk 2 zu verriegeln. Im mittleren Bereich des Tragelementes 3 sind die Hauptwinden 8 - 11 angeordnet. Im hier rechts liegenden Endbereich ist ein Gegengewicht 12 auf dem Tragelement 3 angeordnet, das durch Tragstangen 13, 14 seitlich abgestützt wird. Am hier links liegenden Ende des Tragelementes 3 ist der Mast 1 angelenkt angeordnet. Erfindungsgemäß ist zum Aufrichten und Ablegen des Mastes 1 auf der dem Gegengewicht 12 zugewandten Seite eine Abspannstütze 15 angelenkt angeordnet. Das freie Ende der Abspannstütze ist einerseits mit einer Abspannung 16 und andererseits mit einer längenveränderbaren Seil-Abspannung 17 verbunden. Das andere Ende der Seil-Abspannung 17 ist mit dem Kopfbereich der Tragstangen 13, 14 des Gegengewichtes 12 verbunden. Von dort läuft das freie Ende des Seiles 32 zu einer auf dem Tragelement angeordneten Hilfswinde 20. Die Aufstellrichtung für die Abspannstütze 15 ist mit einem Pfeil 18 gekennzeichnet. Um den Mast 1 höhengleich mit dem Tragelement anordnen zu können, ist am Kopfbereich hilfsweise ein Podest 19 unterbaut.FIG. 1 shows a schematic diagram of the arrangement of a mast 1 in a first position before its erection. The movable ring lift crane shown here consists of an undercarriage, here a crawler track 2 and one arranged above it, cantilevered support element designed on both sides 3. The support element 3 is rolling in both end areas on the one Crawler chassis 2 ring from. In this embodiment, the ring is designed as a double ring 4. The double ring 4 is by means of several supports 5 on the Floor 6 elevated. To the erected ring lift crane as a whole using the To be able to move crawler tracks 2 are at the ends of the support element 3 one piston-cylinder unit 7,7 'each. The piston-cylinder units 7,7 ' are designed so that they can lift the ring lift crane as a whole to to lock the support element 3 with the crawler track 2. In the middle of the Main element 3, the main winches 8-11 are arranged. In the one on the right End region, a counterweight 12 is arranged on the support element 3, which by Support rods 13, 14 is supported laterally. At the left end of the Support element 3, the mast 1 is arranged articulated. According to the invention Erecting and placing the mast 1 on the counterweight 12 facing Side a guy support 15 arranged articulated. The free end of the Guy support is on the one hand with a guy 16 and on the other hand with a length-adjustable rope guying 17 connected. The other end of the rope guy 17 is with the head region of the support rods 13, 14 of the counterweight 12 connected. From there, the free end of the rope 32 runs to one on the Support element arranged auxiliary winch 20. The direction of installation for the guy support 15 is marked with an arrow 18. To the mast 1 level with the To be able to arrange the support element is, in the alternative, a platform 19 on the head region underpinned.

Figur 2 zeigt eine weitere Position, bei der nach dem Aufstellen der Abspannstütze 15 und der unter Zug stehenden Abspannung 16 der Mast 1 kurz vor dem Aufrichten ist. Die Aufstellrichtung für den Mast 1 ist mit einem Pfeil 21 gekennzeichnet.FIG. 2 shows a further position in which, after the guy support 15 has been set up and the tension 16 under tension is the mast 1 shortly before erection. The installation direction for the mast 1 is marked with an arrow 21.

In Figur 3 ist in einer weiteren Position die Teilaufrichtung des Mastes 1 und die angelenkte Anordnung des Hauptauslegers 22 dargestellt. Für den Höhenabgleich zwischen Hauptausleger 22 und Tragelement 3 ist im Kopfbereich des Hauptauslegers 22 ein Bock 23 unterbaut.In Figure 3, the partial erection of the mast 1 and the hinged arrangement of the main boom 22 shown. For height adjustment between the main boom 22 and support member 3 is in the head area of the Main boom 22 under a trestle 23.

Figur 4 zeigt in einer letzten Position die Endstellung des Mastes 1 kurz vor dem Aufrichten des Hauptauslegers 22. Die Einzelheiten dieser Schlußphase sind als Detail A in den Figuren 5 und 6 dargestellt.Figure 4 shows in a last position the end position of the mast 1 just before Raising the main boom 22. The details of this final phase are as Detail A shown in Figures 5 and 6.

Der Endbereich der Abspannstütze 15 weist zur Befestigung der Abspannung 16 ein mit einem Anschlußauge 24 versehenes Stegblech 25 auf. In gleicher Weise ist auch der Kopfbereich der Tragstangen 13, 14 mit zwei je mit einem Anschlußauge 26, 28 versehenen Stegblechen 27, 29 versehen. An dem der Abspannstütze 15 zugewandten Stegblech 29 ist ein Rollensatz 30 angeordnet, der mit einem mittels einer Lasche 33 pendelnd an der Abspannstütze 15 angeordneten Rollensatz 31 zusammenwirkt. Zwischen beiden Rollensätzen 30,31 ist die schon vorher erwähnte Seil-Abspannung 17 angeordnet, deren freies Seilende 32 zur Hilfswinde 20 geführt ist. Am Ende der Abspannstütze 15 ist unterhalb des Rollensatzes 31 ein Auflageblech 35 angeordnet.The end region of the guy support 15 has a 16 for fastening the guy web plate 25 provided with a connecting eye 24. In the same way it is the head region of the support rods 13, 14 with two each with a connecting eye 26, 28 provided web plates 27, 29. On the guy support 15 facing web plate 29 is a roller set 30 is arranged, which with a a tab 33 swinging on the guy support 15 arranged roller set 31st interacts. Between the two roller sets 30.31 is the one already mentioned Rope guying 17 arranged, the free rope end 32 led to the auxiliary winch 20 is. At the end of the guy support 15 is below the roller set 31 Support plate 35 arranged.

Die Figur 5 zeigt nun eine Position, bei der durch Anziehen der Seil-Abspannung 17 auf den kürzesten Abstand die Abspannung 16 entlastet wird, so daß sie entsprechend dem Pfeil 34 vom Ende der Abspannstütze 15 zu den Tragstangen 13,14 umgehängt werden kann.FIG. 5 now shows a position in which, by tightening the cable guying 17 the guying 16 is relieved to the shortest distance, so that it according to the arrow 34 from the end of the guy support 15 to the support rods 13,14 can be reassigned.

Nach dieser Transaktion kann entsprechend Figur 6 die Seil-Abspannung 17 mittels des Auflagebleches 35 auf der Oberkante des Gegengewichtes 12 abgelegt werden. Die Abspannstütze 15 ist damit entlastet und die Fixierung des Mastes 1 erfolgt über die Abspannung 16, die nunmehr fest mit den Tragstangen 13,14 des Gegengewichtes 12 verbunden ist.After this transaction, the rope guying 17 can be carried out according to FIG of the support plate 35 are placed on the upper edge of the counterweight 12. The guy support 15 is thus relieved and the mast 1 is fixed via the guy 16, which is now fixed to the support rods 13,14 Counterweight 12 is connected.

Figur 7 zeigt eine Ansicht in Richtung X in Figur 2. In dieser Ansicht ist die einseitige Anordnung der Hilfswinde 20 und des Rollensatztes 30 außerhalb des Bereiches der Hauptwinden 8-11 erkennbar.Figure 7 shows a view in the direction X in Figure 2. In this view is the one-sided Arrangement of the auxiliary winch 20 and the roller set 30 outside the area of Main winches 8-11 recognizable.

Claims (5)

  1. Ring lift crane with a ring which can be mounted on supports and which forms a circular track, inside which there are a standardised chassis (2) of a crane class and a standardised superstructure (3) which is connected to it in such a way that it is able to rotate and which has a number of winches; and the superstructure is connected, at each of its two end areas, to an adapter which rests and rolls on the circular track of the ring by means of rollers positioned in the end areas of the adapters, whereby the centre point of the ring and/or the chassis forms the axis of rotation, and one of the adapters is designed to accept a counterweight (12) and the other adapter is designed to form the supporting structure for a main jib (22) and a mast (1) which can be positioned in an articulated manner on the free end of the adapter, the tip of the mast being connected at one end by means of a bracing stay to the counterweight, and at the other end by means of a length-adjustable cable brace to the top of the main jib (22),
    characterised in that
    a bracing support (15) is coupled on the side of the mast (1) which faces the counterweight (12), and the free end of the bracing support (15) is connected, by means of a length-adjustable cable brace (17), to the free end of the support bars (13, 14) of the counterweight (12), and the free end of the cable (32) of the cable brace (17) is connected to an auxiliary winch (20) on the supporting structure (3).
  2. Ring lift crane as in Claim 1,
    characterised in that
    both the bracing support (15) and the auxiliary winch (20) are positioned at one side, outside the operating area of the main winches (8-11).
  3. Ring lift crane as in Claim 1 and 2,
    characterised in that
    on the free end of the bracing support (15) there are positioned a web plate (25) with a connection eye (24) and, in an articulated manner by means of a bracket (33), a roller assembly (31).
  4. Ring lift crane as in one of Claims 1-3,
    characterised in that
    there are two web plates (27, 29), each having a connection eye (26, 28), positioned at the free end of the support bars (13, 14) of the counterweight (12).
  5. Ring lift crane as in one of Claims 1-4,
    characterised in that
    the coupling point on the mast (1) and the length of the bracing support (15) are chosen so that, when the mast (1) is raised, the top part of the bracing support can be placed on the counterweight (12).
EP99924713A 1998-03-26 1999-03-22 Ring lifting crane Expired - Lifetime EP1068144B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19814636A DE19814636A1 (en) 1998-03-26 1998-03-26 Ring lift crane
DE19814636 1998-03-26
PCT/DE1999/000940 WO1999048796A1 (en) 1998-03-26 1999-03-22 Ring lifting crane

Publications (2)

Publication Number Publication Date
EP1068144A1 EP1068144A1 (en) 2001-01-17
EP1068144B1 true EP1068144B1 (en) 2004-01-14

Family

ID=7863268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99924713A Expired - Lifetime EP1068144B1 (en) 1998-03-26 1999-03-22 Ring lifting crane

Country Status (6)

Country Link
US (1) US6474487B1 (en)
EP (1) EP1068144B1 (en)
JP (1) JP2002507530A (en)
AT (1) ATE257809T1 (en)
DE (2) DE19814636A1 (en)
WO (1) WO1999048796A1 (en)

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US7967158B2 (en) 2006-10-27 2011-06-28 Manitowoc Crane Companies, Llc Mobile lift crane with variable position counterweight
US7546928B2 (en) * 2006-10-27 2009-06-16 Manitowoc Crane Companies, Inc. Mobile lift crane with variable position counterweight
DE102008020767A1 (en) * 2007-09-11 2009-04-02 Terex-Demag Gmbh Auxiliary device for setting up the lower and upper luffing support of an adjustable jib of a mobile crane
US7766176B2 (en) * 2008-11-11 2010-08-03 Manitowoc Crane Companies, Llc Mobile lift crane with lift enhancing attachment
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Also Published As

Publication number Publication date
US6474487B1 (en) 2002-11-05
DE19814636A1 (en) 1999-09-30
EP1068144A1 (en) 2001-01-17
WO1999048796A1 (en) 1999-09-30
ATE257809T1 (en) 2004-01-15
JP2002507530A (en) 2002-03-12
DE59908309D1 (en) 2004-02-19

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