EP1068144A1 - Ring lifting crane - Google Patents

Ring lifting crane

Info

Publication number
EP1068144A1
EP1068144A1 EP99924713A EP99924713A EP1068144A1 EP 1068144 A1 EP1068144 A1 EP 1068144A1 EP 99924713 A EP99924713 A EP 99924713A EP 99924713 A EP99924713 A EP 99924713A EP 1068144 A1 EP1068144 A1 EP 1068144A1
Authority
EP
European Patent Office
Prior art keywords
ring
counterweight
support
mast
adapter
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.)
Granted
Application number
EP99924713A
Other languages
German (de)
French (fr)
Other versions
EP1068144B1 (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
Mannesmann AG
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 Mannesmann AG, Terex Demag GmbH and Co KG filed Critical Mannesmann AG
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

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
    • 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 patent claim 1.
  • a genre-trained ring lift crane is known from the company brochure Mannesmann Demag construction machinery "Ringlift Cranes" CC 2000 RL; CC 4000 RL,
  • This known ring lift crane has a ring which can be erected and a ring which forms a circular carriageway and which consists of a plurality of segments which can be connected to one another.
  • An undercarriage and a superstructure which is rotatably connected to it and has several winches is arranged within the ring.
  • the superstructure is connected in each of the two end regions with an adapter, which is supported on the circular path of the ring by means of roller sets which are arranged on the adapters and are connected to one another by means of rockers.
  • the center of the ring or undercarriage forms the axis of rotation.
  • One adapter is for receiving a counterweight and the other adapter as a supporting element for a boom that can be arranged at the free end of the adapter
  • the rotary movement of the ring lift crane is generated by means of a toothed ring arranged on the inside of the ring and a pinion which engages in it and is mounted on rockers.
  • the undercarriage is connected to various sections of the ring via stiffening struts.
  • the top of the mast is connected to the counterweight on the one hand by means of a guy and on the other hand to the head of the main boom by means of a length-adjustable rope guy.
  • This ring lift crane consists of an erectable ring that forms a circular carriageway - 2 -
  • the platform is connected to an adapter in each of the two end regions, which are supported in a rolling manner on the ring by means of roller sets arranged on the adapters, the center of the ring forming the axis of rotation for the platform.
  • a main boom and a mast (counter jib) are attached to the front adapter.
  • the one-piece ring is stiffened by struts running secant and within the ring.
  • ring lift cranes of the type explained above can only be erected or put down in a complex assembly and disassembly process.
  • the object of the invention is to provide a ring lift crane of the generic type, which can be erected and stored in a simple manner.
  • a guy support is arranged on the side of the mast facing the counterweight.
  • the free end of this guy support is connected to the free end of the support rods of the counterweight via a length-adjustable rope guying.
  • the free end of the rope guying is in turn connected to an auxiliary winch arranged on the support element.
  • connection between the guy support and the winch is made via a cable drive with roller sets arranged on the free end of the guy support and on the support rods.
  • the length and the articulation point on the mast of the guy support are chosen so that after erecting the mast the 3 -
  • Head area of the guy support can be placed on the counterweight. This has the advantage that the winch operation remains freely accessible even from the side of the guy support.
  • Figure 5 shows a detail of the hanging of the guy
  • Figure 6 shows a detailed view of the storage of the guy support
  • FIG. 7 view in the direction X in FIG. 2
  • FIG. 1 shows a schematic diagram in a first position of the arrangement of a mast 1 before it is erected.
  • the movable ring lift crane shown here consists of an undercarriage, here a crawler track 2 and a support element 3 arranged above it and projecting on both sides as a bridge girder.
  • the ring is designed as a double ring 4.
  • the double ring 4 is raised on the floor 6 by means of several supports 5.
  • a piston-cylinder unit 7, 7 ' is arranged at the ends of the support element 3.
  • the piston-cylinder units 7, 7 ' are designed such that they can lift the ring lift crane as a whole in order to lock the support element 3 with the crawler chassis 2.
  • the main winches 8-1 11 are arranged in the central region of the support 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 articulated.
  • a guy support 15 is articulated on the side facing the counterweight 12 for erecting and depositing the mast 1.
  • the free end of the guy support is connected on the one hand to a guy 16 and on the other hand to a length-adjustable rope guy 17.
  • the other end of the cable guying 17 is connected to the head region of the support rods 13, 14 of the counterweight 12. From there, the free end of the cable 32 runs to an auxiliary winch 20 arranged on the support element.
  • the direction of installation for the guy support 15 is indicated by an arrow 18.
  • a platform 19 is alternatively built on the head area.
  • FIG. 2 shows a further position in which, after the guy support 15 has been set up and the guy 16 under tension, the mast 1 is shortly before it is raised.
  • the installation direction for the mast 1 is marked with an arrow 21.
  • FIG 3 the partial erection of the mast 1 and the articulated arrangement of the main boom 22 is shown in a further position.
  • a trestle 23 is built in the head region of the main boom 22.
  • FIG. 4 shows the end position of the mast 1 shortly before the main boom 22 is raised in a last position. The details of this final phase are shown as detail A in FIGS. 5 and 6.
  • the end region of the guy support 15 has a web plate 25 provided with a connecting eye 24 for fastening the guy 16.
  • the head region of the support rods 13, 14 is provided with two web plates 27, 29 each provided with a connecting eye 26, 28.
  • a roller set 30 Arranged on the web plate 29 facing the guy support 15 is a roller set 30, which is arranged with a roller set 31 arranged in an oscillating manner by means of a bracket 33 on the guy support 15 - 5 -
  • FIG. 5 now shows a position in which, by tightening the cable guying 17 to the shortest distance, the guying 16 is relieved, so that it can be transferred from the end of the guy support 15 to the support rods 13, 14 according to arrow 34.
  • the cable guying 17 can be deposited on the upper edge of the counterweight 12 by means of the support plate 35.
  • the guy support 15 is thus relieved and the mast 1 is fixed via the guy 16, which is now firmly connected to the support rods 13, 14 of the counterweight 12.
  • FIG. 7 shows a view in the direction X in FIG. 2.
  • the one-sided arrangement of the auxiliary winch 20 and the roller set 30 outside the area of the main winches 8-11 can be seen.

Landscapes

  • 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

Ringliftkran Ring lift crane
Beschreibungdescription
Die Erfindung betrifft einen Ringliftkran gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a ring lift crane according to the preamble of patent claim 1.
Ein gattungsmäßig ausgebildeter Ringliftkran ist bekannt aus dem Firmenprospekt Mannesmann Demag Baumaschinen „Ringlift Cranes" CC 2000 RL; CC 4000 RL,A genre-trained ring lift crane is known from the company brochure Mannesmann Demag construction machinery "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 AuslegerIssue 11/82. This known ring lift crane has a ring which can be erected and a ring which forms a circular carriageway and which consists of a plurality of segments which can be connected to one another. An undercarriage and a superstructure which is rotatably connected to it and has several winches is arranged within the ring. The superstructure is connected in each of the two end regions with an adapter, which is supported on the circular path of the ring by means of roller sets which are arranged on the adapters and are connected to one another by means of rockers. The center of the ring or undercarriage forms the axis of rotation. One adapter is for receiving a counterweight and the other adapter as a supporting element for a boom that can be arranged at the free end of the adapter
(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.(Main boom + mast) trained. The rotary movement of the ring lift crane is generated by means of a toothed ring arranged on the inside of the ring and a pinion which engages in it and is mounted on rockers. To stabilize the overall construction, the undercarriage is connected to various sections of the ring via stiffening struts. The top of the mast is connected to the counterweight on the one hand by means of a guy and on the other hand to the head of the main boom by means of a length-adjustable rope guy.
Eine vergleichbare Konstruktion ist aus der US-PS 4,103,783 bekannt. Dieser Ringliftkran besteht aus einem aufständerbaren Ring, der eine Kreisfahrbahn bildet - 2 -A comparable construction is known from US Pat. No. 4,103,783. This ring lift crane consists of an erectable ring that forms a circular carriageway - 2 -
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.and a construction within the ring with a kingpin and a platform provided with a sleeve for receiving the kingpin. The platform is connected to an adapter in each of the two end regions, which are supported in a rolling manner on the ring by means of roller sets arranged on the adapters, the center of the ring forming the axis of rotation for the platform. There are several winches on the platform and a counterweight on the rear adapter. A main boom and a mast (counter jib) are attached to the front adapter. The one-piece ring is stiffened by struts running secant and within the ring.
Ringiiftkräne der zuvor erläuterten Art können nach dem Stand der Technik nur in einem aufwendigen Montage- bzw. Demontageverfahren aufgerichtet oder abgelegt werden.According to the prior art, ring lift cranes of the type explained above can only be erected or put down in a complex assembly and disassembly process.
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 erected and stored in a simple manner.
Diese Aufgabe wird ausgehend vom Oberbegriff in Verbindung mit den kennzeichnenden Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte - Ausgestaltungen sind Bestandteil von Unteransprüchen.This object is achieved on the basis of the preamble in conjunction with the characterizing features of patent claim 1. Advantageous - configurations 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, a guy support is arranged on the side of the mast facing the counterweight. The free end of this guy support is connected to the free end of the support rods of the counterweight via a length-adjustable rope guying. The free end of the rope guying is in turn connected to an auxiliary winch arranged on the support element. This arrangement enables the mast and the main boom to be erected or stored in a simple manner. In order not to impair normal winch operation, especially for the hoisting rope, both the guy support and the auxiliary winch are preferably arranged on one side outside the working area of the main winches.
Die Verbindung zwischen Abspannstütze und Hiifswinde 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 3 -The connection between the guy support and the winch is made via a cable drive with roller sets arranged on the free end of the guy support and on the support rods. The length and the articulation point on the mast of the guy support are chosen so that after erecting the mast the 3 -
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.Head area of the guy support can be placed on the counterweight. This has the advantage that the winch operation remains freely accessible even from the side of the guy support.
In der Zeichnung wird anhand der Darstellung der Abfolge verschiedener Positionen die erfindungsgemäße Aufrichtung eines verfahrbaren Ringliftkranes erläutert. Es zeigen:In the drawing, the erection of a movable ring lift crane according to the invention is explained using the representation of the sequence of different positions. Show it:
Figur 1 Ausgangsposition der Anordnung des Mastes am TragelementFigure 1 starting position of the arrangement of the mast on the support element
Figur 2 Position unmittelbar vor der Aufrichtung des MastesFigure 2 position immediately before erection of the mast
Figur 3 Position der Teilaufrichtung des Mastes und Anordnung desFigure 3 position of the partial erection of the mast and arrangement of the
Hauptauslegers am TragelementMain boom on the support element
Figur 4 Position des aufgerichteten Mastes vor der Aufrichtung desFigure 4 Position of the erected mast before erecting the
HauptauslegersMain boom
Figur 5 Detaildarstellung des Umhängens der AbspannungFigure 5 shows a detail of the hanging of the guy
Figur 6 Detaildarstellung der Ablage der AbspannstützeFigure 6 shows a detailed view of the storage of the guy support
Figur 7 Ansicht in Richtung X in Figur 2FIG. 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 - 1 1 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 demFIG. 1 shows a schematic diagram in a first position of the arrangement of a mast 1 before it is erected. The movable ring lift crane shown here consists of an undercarriage, here a crawler track 2 and a support element 3 arranged above it and projecting on both sides as a bridge girder. In this embodiment, the ring is designed as a double ring 4. The double ring 4 is raised on the floor 6 by means of several supports 5. In order to be able to move the erected ring lift crane as a whole by means of the crawler chassis 2, a piston-cylinder unit 7, 7 'is arranged at the ends of the support element 3. The piston-cylinder units 7, 7 'are designed such that they can lift the ring lift crane as a whole in order to lock the support element 3 with the crawler chassis 2. The main winches 8-1 11 are arranged in the central region of the support element 3. In the end area on the right here, 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 member 3, the mast 1 is articulated. According to the invention, a guy support 15 is articulated on the side facing the counterweight 12 for erecting and depositing the mast 1. The free end of the guy support is connected on the one hand to a guy 16 and on the other hand to a length-adjustable rope guy 17. The other end of the cable guying 17 is connected to the head region of the support rods 13, 14 of the counterweight 12. From there, the free end of the cable 32 runs to an auxiliary winch 20 arranged on the support element. The direction of installation for the guy support 15 is indicated by an arrow 18. To the mast 1 level with the
Tragelement anordnen zu können, ist am Kopfbereich hilfsweise ein Podest 19 unterbaut.In order to be able to arrange the support element, a platform 19 is alternatively built on the head area.
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.FIG. 2 shows a further position in which, after the guy support 15 has been set up and the guy 16 under tension, the mast 1 is shortly before it is raised.
Die Aufstellrichtung für den Mast 1 ist mit einem Pfeil 21 gekennzeichnet.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 articulated arrangement of the main boom 22 is shown in a further position. For the height adjustment between the main boom 22 and the support element 3, a trestle 23 is built in the head region of the main boom 22.
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.FIG. 4 shows the end position of the mast 1 shortly before the main boom 22 is raised in a last position. The details of this final phase are shown as detail A in FIGS. 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 - 5 -The end region of the guy support 15 has a web plate 25 provided with a connecting eye 24 for fastening the guy 16. In the same way, the head region of the support rods 13, 14 is provided with two web plates 27, 29 each provided with a connecting eye 26, 28. Arranged on the web plate 29 facing the guy support 15 is a roller set 30, which is arranged with a roller set 31 arranged in an oscillating manner by means of a bracket 33 on the guy support 15 - 5 -
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 Aufiageblech 35 angeordnet.cooperates. Between the two roller sets 30, 31, the previously mentioned cable guying 17 is arranged, the free cable end 32 of which is led to the auxiliary winch 20. At the end of the guy support 15, a support plate 35 is arranged below the roller set 31.
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 to the shortest distance, the guying 16 is relieved, so that it can be transferred from the end of the guy support 15 to the support rods 13, 14 according to arrow 34.
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, according to FIG. 6, the cable guying 17 can be deposited on the upper edge of the counterweight 12 by means of the support plate 35. The guy support 15 is thus relieved and the mast 1 is fixed via the guy 16, which is now firmly connected to the support rods 13, 14 of the counterweight 12.
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. FIG. 7 shows a view in the direction X in FIG. 2. In this view, the one-sided arrangement of the auxiliary winch 20 and the roller set 30 outside the area of the main winches 8-11 can be seen.

Claims

- 6 -Patentansprüche - 6 patent claims
1. Ringliftkran mit einem aufständerbaren, eine Kreisfahrbahn bildenden Ring, innerhalb dessen ein standardisierter Unterwagen einer Kranklasse und ein damit drehbar verbundener und mehrere Winden aufweisender standardisierter Oberwagen angeordnet ist und der Oberwagen in beiden Endbereichen mit je einem Adapter verbunden ist, die sich mitteis im Endbereich der Adapter angeordneter Rollen auf der Kreisfahrbahn des Ringes abrollend abstützen, wobei der Mittelpunkt des Ringes bzw. des Unterwagens die Drehachse bildet und der eine Adapter zur Aufnahme eines1.ringlift crane with a stand-up ring that forms a circular carriageway, within which a standardized undercarriage of a crane class and a standardized superstructure that is rotatably connected and has multiple winches is arranged and the superstructure is connected in both end areas with an adapter, which is located in the middle of the end area support the rollers arranged on the circular track of the ring in a rolling manner, the center of the ring or the undercarriage forming the axis of rotation and the one adapter for receiving a
Gegengewichtes und der andere Adapter als Tragelement für am freien Ende des Adapters angelenkt anordenbaren Hauptausleger und Mast (Gegenausleger) ausgebildet sind, wobei die Spitze des Mastes einerseits über eine Abspannung mit dem Gegengewicht und andererseits über eine längenveränderbare Seil-Abspannung mit dem Kopf des Hauptauslegers verbunden ist, dadurch gekennzeichnet, daß auf der dem Gegengewicht (12) zugeneigten Seite des Mastes (1) eine Abspannstütze (15) angelenkt ist und das freie Ende der Abspannstütze (15) über eine längenveränderbare Seil-Abspannung (17) mit dem freien Ende derCounterweight and the other adapter are designed as a supporting element for the main boom and mast (counterboom) which can be articulated at the free end of the adapter, the tip of the mast being connected to the counterweight on the one hand by means of a bracing and to the head of the main arm by means of a length-adjustable rope bracing is characterized in that on the side of the mast (1) inclined to the counterweight (12) a guy support (15) is articulated and the free end of the guy support (15) via a length-adjustable rope guy (17) with the free end of the
Tragstangen (13,14) des Gegengewichtes (12) verbunden ist und das freie Seilende (32) der Seil-Abspannung (17) mit einer auf dem Tragelement (3) angeordneten Hilfswinde (20) verbunden ist.Support rods (13, 14) of the counterweight (12) are connected and the free cable end (32) of the cable guying (17) is connected to an auxiliary winch (20) arranged on the support element (3).
2. Ringliftkran nach Anspruch 1 , dadurch gekennzeichnet, daß sowohl die Abspannstütze (15) als auch die Hilfswinde (20) einseitig außerhalb des Arbeitsbereiches der Hauptwinden (8-1 1) angeordnet sind.2. Ring lift crane according to claim 1, characterized in that both the guy support (15) and the auxiliary winch (20) are arranged on one side outside the working area of the main winches (8-1 1).
3. Ringliftkran nach Anspruch 1 und 2, dadurch gekennzeichnet, daß am freien Ende der Abspannstütze (15) ein ein Anschlußauge (24) aufweisendes Stegblech (25) und mittels einer Lasche (33) angelenkt eine Rollensatz (31) angeordnet sind. 7 -3. Ring lift crane according to claim 1 and 2, characterized in that at the free end of the guy support (15) has a connecting eye (24) having web plate (25) and by means of a bracket (33) articulated a roller set (31) are arranged. 7 -
4. Ringliftkran nach einem der Ansprüche 1 - 3, dadurch gekennzeichnet, daß am freien Ende der Tragstangen (13,14) des Gegengewichtes (12) zwei mit je einem Anschlußauge (26,28) versehene Stegbleche (27,29) angeordnet sind.4. Ring lift crane according to one of claims 1-3, characterized in that at the free end of the support rods (13, 14) of the counterweight (12) two web plates (27, 29), each with a connecting eye (26, 28), are arranged.
5. Ringliftkran nach einem der Ansprüche 1 - 4, dadurch gekennzeichnet, daß der Anlenkort am Mast (1) und die Länge der Abspannstütze (15) so gewählt sind, daß im aufgerichteten Zustand des Mastes (1) der Kopfbereich der Abspannstütze auf dem Gegengewicht (12) ablegbar ist. 5. Ring lift crane according to one of claims 1-4, characterized in that the articulation point on the mast (1) and the length of the guy support (15) are selected so that in the erected state of the mast (1) the head region of the guy support on the counterweight (12) can be filed.
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
DE19814636 1998-03-26
DE19814636A DE19814636A1 (en) 1998-03-26 1998-03-26 Ring lift crane
PCT/DE1999/000940 WO1999048796A1 (en) 1998-03-26 1999-03-22 Ring lifting crane

Publications (2)

Publication Number Publication Date
EP1068144A1 true EP1068144A1 (en) 2001-01-17
EP1068144B1 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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Also Published As

Publication number Publication date
WO1999048796A1 (en) 1999-09-30
DE19814636A1 (en) 1999-09-30
ATE257809T1 (en) 2004-01-15
US6474487B1 (en) 2002-11-05
JP2002507530A (en) 2002-03-12
EP1068144B1 (en) 2004-01-14
DE59908309D1 (en) 2004-02-19

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