EP0733586A1 - Ground support for jib-cranes - Google Patents
Ground support for jib-cranes Download PDFInfo
- Publication number
- EP0733586A1 EP0733586A1 EP96250046A EP96250046A EP0733586A1 EP 0733586 A1 EP0733586 A1 EP 0733586A1 EP 96250046 A EP96250046 A EP 96250046A EP 96250046 A EP96250046 A EP 96250046A EP 0733586 A1 EP0733586 A1 EP 0733586A1
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- European Patent Office
- Prior art keywords
- support
- chassis
- supports
- crane
- cranes
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—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
- B66C23/50—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 mounted on railway vehicles, e.g. breakdown cranes
Definitions
- the invention relates to a floor support for mobile jib cranes, in particular rail cranes, with a chassis resting on chassis and pivotable on the chassis about vertical axes, which support vertically extendable supports at their free ends, on each of which a support plate is arranged in a substantially horizontal position which can be pivoted together with the support arms into the clearance profile of the jib crane for transporting the crane when the supports are retracted.
- Mobile jib cranes are equipped with floor supports to increase stability, which are arranged on support arms that can be spread out by the jib crane to increase the support width. After the support arms have been spread out, support plates are moved vertically downwards onto the floor by means of supports which can be extended vertically and which, particularly in the case of high load capacities of the crane and / or less load-bearing terrain, have large dimensions, ie support surfaces of, for example,> 0.5 m 2 .
- the supports can be connected to spindles, for example (GB 12 15 223).
- the support elements must be moved to a transport position within the clearance profile of the vehicle, in the shortest possible time because the changeover times affect the availability of the jib crane.
- the aim is to support the support elements with the To leave support arms and supports on the vehicle as a whole and bring them to the vehicle by pivoting the support arms in such a way that all support elements - including the support plates - come to the end position within the clearance profile of the jib crane.
- a floor support for a railroad crane has become known, wherein before the support elements are pivoted into the free space of the clearance space profile for transport, the floor support elements are forced into an inclined position by retracting the support cylinders in order to bring the clearance space profile into the pivoted-in transport position to be able to comply.
- This requires complex kinematics consisting of tabs and bolts as well as curved sections; nevertheless, the clearance profile is often exceeded with large support plates.
- the object of the present invention is to improve a floor support of the generic type in such a way that, with simple and functionally reliable means, even very large support plates can be pivoted into the clearance profile of the jib crane during transport of the crane without having to intervene manually.
- the support arms are cranked upward at their free ends and that the support plates in the pivoted-in transport position of the support arms can each be at least partially displaced into the area above the chassis.
- the supports are designed to be telescopic several times, in order to bridge the greater height between the support arms bent upwards and the floor.
- a double telescope is usually sufficient to bring the support plates to the ground.
- each support plate can be swiveled into an inclined position and its end position within the clearance profile of the jib crane can be automatically determined in this inclined position.
- a simple solution of this type is characterized by the support plates - or parts thereof - when the cantilever arms are swung in under the guide planes which rise in the direction of the vehicle's longitudinal axis and on which the support plates can be placed in their transport position.
- a simple slope onto which the support plates are pushed, serves on the one hand to pivot the support plates into the inclined position and, on the other hand, at the same time to support the support plates in the transport position.
- the support plates swiveled into the inclined position just want to adjust themselves to the supports in the spherical caps, but are prevented from doing so by the supports.
- the support plates are held on the supports by their own weight.
- the guide levels are easy to set up, they have no additional moving parts and therefore do not require any maintenance work.
- the guide planes are arranged on supports arranged above the chassis - in the longitudinal direction of the mobile crane next to the chassis - on both sides of the longitudinal axis of the vehicle.
- a particularly favorable embodiment of the invention results if the measures of one or more of claims 3 to 5 are combined with the proposal of claim 1, that is to say the support arms are cranked upward at their free end and the support plates in the pivoted-in transport position of the support arms in each case are at least partially displaceable in the area above the chassis.
- FIG. 1 denotes the chassis of a rail crane, which rests on the chassis 2 and 3.
- the support arm 5, which is cranked at 6 upwards, is arranged on the chassis 1 about a vertical axis 4.
- a double extendable support 9 is vertically attached at its lower end carries the support plate 10.
- the supports shown here are piston-cylinder units.
- the supports 9, as indicated by the arrow 11, can be pivoted towards the chassis 1 by pivoting the cranked support arms 5, which are not shown in FIG. 2, part 12 of the support plate 10 being on a guide plane 13 is pushed on, which causes the support plate 10 to be inclined when the supports 9 are moved further, as is shown in the right half of the drawing in FIG. In the inclined position, the part 12 of the support plate 10 rests on the guide plane 13, so that the support plates 10 are not only pivoted clearly into the clearance profile of the rail crane, but are also fixed there without manual intervention.
- the guide planes 13 are arranged on a carrier 14 which extends along the chassis 1 and extends across the width of the rear chassis 3 on both sides of the longitudinal axis 15 of the vehicle. H. in a room behind the chassis 1 ( Figure 1). By cranking the support arm 5, the support plates 10 can be brought into the necessary height with the supports 9 retracted, so that the available space for accommodating the support elements can be fully utilized.
- the support has two telescopic parts 9 a and 9 b, the part 12 of the support plate 10 being articulated at the free end of the telescopic parts, so that - forced by the guide plane 13 - the support plate 10 not only swings inwards in a space-saving manner, but at the same time the management level 13 comes to rest with the part 12.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Description
Die Erfindung betrifft eine Bodenabstützung für mobile Auslegerkrane, insbesondere Schienenkrane, mit einem auf Fahrgestellen ruhendem Chassis und um vertikale Achsen schwenkbar an dem Chassis angeordneten Abstützarmen, die an ihren freien Enden senkrecht ausfahrbare Abstützungen tragen, an denen jeweils eine Abstützplatte in im wesentlichen horizontaler Lage angeordnet ist, die zum Transport des Kranes bei eingefahrenen Abstützungen zusammen mit den Abstützarmen in das Lichtraumprofil des Auslegerkranes schwenkbar sind.The invention relates to a floor support for mobile jib cranes, in particular rail cranes, with a chassis resting on chassis and pivotable on the chassis about vertical axes, which support vertically extendable supports at their free ends, on each of which a support plate is arranged in a substantially horizontal position which can be pivoted together with the support arms into the clearance profile of the jib crane for transporting the crane when the supports are retracted.
Mobile Auslegerkrane werden zur Erhöhung der Standsicherheit mit Bodenabstützungen ausgerüstet, die, zur Vergrößerung der Abstützbreite, an vom Auslegerkran abspreizbaren Abstützarmen angeordnet sind. Nach dem Abspreizen der Abstützarme werden über senkrecht ausfahrbare Abstützungen Abstützplatten senkrecht nach unten auf den Boden gefahren, die, insbesondere bei hohen Traglasten des Kranes und/oder wenig tragfestem Gelände, große Abmessungen,d.h. Abstützflächen von beispielsweise > 0,5 m2 aufweisen. Zum Ausfahren können die Abstützungen z.B. mit Spindeln verbunden sein (GB 12 15 223).Mobile jib cranes are equipped with floor supports to increase stability, which are arranged on support arms that can be spread out by the jib crane to increase the support width. After the support arms have been spread out, support plates are moved vertically downwards onto the floor by means of supports which can be extended vertically and which, particularly in the case of high load capacities of the crane and / or less load-bearing terrain, have large dimensions, ie support surfaces of, for example,> 0.5 m 2 . The supports can be connected to spindles, for example (
Vor jedem Transport des Auslegerkranes muß dieser umgerüstet werden, d. h. die Abstützelemente müssen in eine Transportstellung innerhalb des Lichtraumprofiles des Fahrzeuges verbracht werden, und zwar in möglichst kurzer Zeit, weil die Umrüstzeiten die Verfügbarkeit des Auslegerkranes beeinträchtigen.Each time before the jib crane is transported, it must be converted. H. the support elements must be moved to a transport position within the clearance profile of the vehicle, in the shortest possible time because the changeover times affect the availability of the jib crane.
Zur Verringerung der Umrüstzeit des Auslegerkranes von der Transportstellung in die Betriebsstellung und umgekehrt wird angestrebt, die Abstützelemente mit den Abstützarmen und Abstützungen insgesamt am Fahrzeug zu belassen und durch Einschwenken der Abstützarme so an das Fahrzeug heranzuführen, daß alle Abstützelemente -einschließlich der Abstützplatten- innerhalb des Lichtraumprofiles des Auslegerkranes zur Endlage kommen. Nicht nur bei Schienenkranen ist das von ausschlaggebender Bedeutung, weil die Einhaltung der Lichtraumprofile durch die Vorschriften der jeweiligen Länder vorgegeben ist.In order to reduce the changeover time of the jib crane from the transport position to the operating position and vice versa, the aim is to support the support elements with the To leave support arms and supports on the vehicle as a whole and bring them to the vehicle by pivoting the support arms in such a way that all support elements - including the support plates - come to the end position within the clearance profile of the jib crane. This is of crucial importance not only for rail cranes, because compliance with the clearance profiles is prescribed by the regulations of the respective countries.
Durch die DE 41 04 471 A1 ist eine Bodenabstützung für einen Eisenbahnkran bekannt geworden, wobei bevor die Abstützelemente zum Transport in den Freiraum des Lichtraumprofils geschwenkt werden, durch Einfahren der Abstützzylinder die Bodenabstützelemente zwangsgeführt in eine Schräglage gebracht werden, um in der eingeschwenkten Transportstellung das Lichtraumprofil einhalten zu können. Dazu ist eine aufwendige Kinematik aus Laschen und Bolzen sowie Kurvenstücken erforderlich; trotzdem wird bei großen Abstützplatten das Lichtraumprofil häufig überschritten.From DE 41 04 471 A1, a floor support for a railroad crane has become known, wherein before the support elements are pivoted into the free space of the clearance space profile for transport, the floor support elements are forced into an inclined position by retracting the support cylinders in order to bring the clearance space profile into the pivoted-in transport position to be able to comply. This requires complex kinematics consisting of tabs and bolts as well as curved sections; nevertheless, the clearance profile is often exceeded with large support plates.
Aufgabe der vorliegenden Erfindung ist es, eine Bodenabstützung der gattungsgemäßen Art so zu verbessern, daß mit einfachen und funktionssicheren Mitteln auch sehr große Abstützplatten beim Transport des Kranes in das Lichtraumprofil des Auslegerkranes schwenkbar sind, ohne manuell eingreifen zu müssen.The object of the present invention is to improve a floor support of the generic type in such a way that, with simple and functionally reliable means, even very large support plates can be pivoted into the clearance profile of the jib crane during transport of the crane without having to intervene manually.
Zur Lösung der Aufgabe wird erfindungsgemäß vorgeschlagen, daß die Abstützarme an ihren freien Enden nach oben gekröpft sind und die Abstützplatten in der eingeschwenkten Transportstellung der Abstützarme jeweils mindestens teilweise in den Bereich oberhalb der Fahrgestelle verlagerbar sind.To achieve the object, it is proposed according to the invention that the support arms are cranked upward at their free ends and that the support plates in the pivoted-in transport position of the support arms can each be at least partially displaced into the area above the chassis.
Durch die Kröpfung der Abstützarme wird es möglich, die Abstützplatten in eine Ebene oberhalb der Fahrgestelle zu bringen; dort ist ein Freiraum für die Abstützplatten belassen, in dem diese transportiert werden können, ohne das Lichtraumprofil des Auslegerkranes zu überschreiten.By cranking the support arms, it is possible to bring the support plates into a level above the chassis; there is a free space for the support plates in which they can be transported without exceeding the clearance profile of the jib crane.
Vorzugsweise ist nach einem weiteren Merkmal der Erfindung vorgesehen, daß die Abstützungen mehrfach teleskopierbar ausgebildet sind, um damit die größere Höhe zwischen den nach oben gekröpften Abstützarmen und dem Boden zu überbrucken.According to a further feature of the invention, it is preferably provided that the supports are designed to be telescopic several times, in order to bridge the greater height between the support arms bent upwards and the floor.
Bereits ein Zweifachteleskop reicht in der Regel aus, um die Abstützplatten auf den Boden zu bringen.A double telescope is usually sufficient to bring the support plates to the ground.
In einer alternativen Ausgestaltung wird zur Lösung der Aufgabe an einem gattungsgemäßen Kran vorgeschlagen, daß beim Einschwenken der Auslegerarme in die Transportstellung jede Abstützplatte zwangsgeführt in eine Schräglage verschwenkbar und ihrer Endlage innerhalb des Lichtraumprofiles des Auslegerkranes in dieser Schräglage selbsttätig festlegbar ist.In an alternative embodiment, to solve the problem on a generic crane, it is proposed that when the jib arms are pivoted into the transport position, each support plate can be swiveled into an inclined position and its end position within the clearance profile of the jib crane can be automatically determined in this inclined position.
Ausgehend von der DE 41 04 471 wird auch hierbei ein zwangsweises Verschwenken der Abstützplatten in eine zum Transport vorgesehene Schräglage vorgesehen, doch ist das Verschwenken in die Schräglage an das Einschwenken der Auslegerarme gebunden. Während beim Stand der Technik das Einfahren der Abstützstempel die Zwangsführung der Abstützstempel in die Schräglage bewirkt, sind bei der Erfindung die Abstützungen in diesen Bewegungsvorgang nicht eingeschaltet. Die beim Stand der Technik verwendete aufwendige und störanfällige Lenkerführung und die zum Einleiten der Verschwenkbewegung notwendigen und wartungsintensiven Kurvenstücke können vollständig entfallen.Starting from DE 41 04 471, a forced pivoting of the support plates into an inclined position provided for transport is also provided here, but the pivoting into the inclined position is bound to the pivoting of the cantilever arms. While in the prior art the retraction of the support rams causes the support rams to be guided into the inclined position, the supports are not switched on in this movement process in the invention. The complex and error-prone handlebar guide used in the prior art and the maintenance-intensive curve pieces necessary to initiate the pivoting movement can be completely dispensed with.
Eine einfache Lösung dieser Art ist gekennzeichnet durch die Abstützplatten - oder Teile von diesen - beim Einschwenken der Auslegerarme untergreifende, in Richtung der Fahrzeuglängsachse ansteigende Führungsebenen, auf denen die Abstützplatten in ihrer Transportstellung ablegbar sind.A simple solution of this type is characterized by the support plates - or parts thereof - when the cantilever arms are swung in under the guide planes which rise in the direction of the vehicle's longitudinal axis and on which the support plates can be placed in their transport position.
In Abkehr von den Lenkerelementen und Kurvenstücken beim gattungsbildenden Stand der Technik dient eine einfache Schräge, auf die die Abstützplatten aufgeschoben werden, einerseits der Verschwenkung der Abstützplatten in die Schräglage und andererseits gleichzeitig der Auflage der Abstützplatten in die Transportstellung. Die in die Schräglage geschwenkten Abstützplatten wollen sich in den Anlenkkalotten an den Abstützungen gerade einstellen, sind aber durch die Auflagen daran gehindert. Dadurch werden die Abstützplatten auf den Auflagen durch ihr Eigengewicht gehalten. Die Führungsebenen sind einfach erstellbar, sie weisen keine zusätzlichen bewegten Teile auf und bedürfen deshalb auch keinerlei Wartungsarbeiten.In a departure from the handlebar elements and curve pieces in the generic state of the art, a simple slope, onto which the support plates are pushed, serves on the one hand to pivot the support plates into the inclined position and, on the other hand, at the same time to support the support plates in the transport position. The support plates swiveled into the inclined position just want to adjust themselves to the supports in the spherical caps, but are prevented from doing so by the supports. As a result, the support plates are held on the supports by their own weight. The guide levels are easy to set up, they have no additional moving parts and therefore do not require any maintenance work.
In einer Ausgestaltung der Erfindung ist vorgesehen, daß die Führungsebenen an oberhalb der Fahrgestelle - in Längsrichtung des Fahrzeugkranes neben dem Chassis - angeordneten Trägern beidseitig der Fahrzeuglängsachse angeordnet sind. Dadurch wird der Freiraum vor und hinter dem Chassis oberhalb der Fahrgestelle genutzt, um dorthin die Abstützplatten zu verschwenken und durch Schräglage auf der Führungsebene unter Reibschluß zu fixieren.In one embodiment of the invention it is provided that the guide planes are arranged on supports arranged above the chassis - in the longitudinal direction of the mobile crane next to the chassis - on both sides of the longitudinal axis of the vehicle. As a result, the free space in front of and behind the chassis above the chassis is used to pivot the support plates there and to fix them by friction on the guide level by sloping.
Eine besonders günstige Ausgestaltung der Erfindung ergibt sich, wenn die Maßnahmen eines oder mehrerer der Ansprüche 3 bis 5 mit dem Vorschlag des Anspruchs 1 kombiniert werden, also die Abstützarme an ihrem freien Ende nach oben gekröpft sind und die Abstützplatten in der eingeschwenkten Transportstellung der Stützarme jeweils mindestens teilweise in den Bereich oberhalb der Fahrgestelle verlagerbar sind.A particularly favorable embodiment of the invention results if the measures of one or more of
Mit einer Bodenabstützung gemäß der Erfindung entfällt die Montage der großen und schweren Abstützplatten vor und nach dem Einsatz. Dadurch ergibt sich eine höhere Wirtschaftlichkeit für den Kranbetreiber durch Verkürzung der Rüstzeiten und durch Personaleinsparung. Der Freiraum zu den zulässigen Ladeprofilen wird vergrößert und ein Ablegen der Abstützplatten in Transportstellung erfolgt selbsttätig (ohne daß manuell eingegriffen werden muß).With a floor support according to the invention, the assembly of the large and heavy support plates before and after use is eliminated. This results in higher economic efficiency for the crane operator by shortening the set-up times and by saving personnel. The free space for the permissible loading profiles is increased and the support plates are automatically put down in the transport position (without manual intervention).
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und wird nachfolgend beschrieben.An embodiment of the invention is shown schematically in the drawing and is described below.
Es zeigt:
Figur 1- Ein Ende eines Schienenkranes mit zwei Fahrgestellen,
Figur 2- einen Querschnitt durch den Schienenkran im Bereich der Abstützungen und
Figur 3- einen vergrößerten Ausschnitt einer Abstützplatte in Transportstellung
- Figure 1
- One end of a rail crane with two chassis,
- Figure 2
- a cross section through the rail crane in the area of the supports and
- Figure 3
- an enlarged section of a support plate in the transport position
In Figur 1 ist mit 1 das Chassis eines Schienenkranes bezeichnet, das auf den Fahrgestellen 2 und 3 ruht. Um eine senkrechte Achse 4 verschwenkbar ist an dem Chassis 1 der Abstützarm 5 angeordnet, der bei 6 nach oben gekröpft ist. An seinem freien Ende 7 ist bei 8 ein zweifach ausfahrbare Abstützung 9 senkrecht befestigt, der an seinem unteren Ende die Abstützplatte 10 trägt. Bei den hier dargestellten Abstützungen handelt es sich um Kolben-Zylinder-Einheiten.In Figure 1, 1 denotes the chassis of a rail crane, which rests on the
Wie in der schematischen Darstellung der Figur 2 erkennbar ist, sind die Abstützungen 9, wie mit dem Pfeil 11 angedeutet, durch Verschwenken der in Figur 2 nicht dargestellten gekröpften Abstützarme 5 an das Chassis 1 heranschwenkbar, wobei ein Teil 12 der Abstützplatte 10 auf eine Führungsebene 13 aufgeschoben wird, die beim Weiterbewegen der Abstützungen 9 eine Schrägstellung der Abstützplatte 10 bewirkt, wie dies in der rechten Zeichnungshälfte der Figur 2 dargestellt ist. In der schräggestellten Lage liegt das Teil 12 der Abstützplatte 10 auf der Führungsebene 13 auf, so daß die Abstützplatten 10 nicht nur deutlich in das Lichtraumprofil des Schienenkranes eingeschwenkt, sondern dort auch festgelegt sind, ohne daß manuell eingegriffen werden muß.As can be seen in the schematic illustration in FIG. 2, the
Die Führungsebenen 13 sind an einem neben dem Chassis 1 sich quer über die Breite des hinteren Fahrgestells 3 erstreckenden Trägers 14 beidseitig der Fahrzeuglängsachse 15 angeordnet, d. h. in einem Raum hinter dem Chassis 1 (Figur 1). Durch die Kröpfung des Abstützarmes 5 können die Abstützplatten 10 bei eingefahrenen Abstützungen 9 in die notwendige Höhenlage verbracht werden, so daß der vorhandene Freiraum für die Aufnahme der Abstützelemente voll ausgenutzt werden kann.The
In Figur 3 sind gleiche Teile gleich bezeichnet. Erkennbar hat die Abstützung zwei Teleskopteile 9 a und 9 b, wobei am freien Ende der Teleskopteile das Teil 12 der Abstützplatte 10 gelenkig angeschlossen ist, so daß -erzwungen durch die Führungsebene 13- die Abstützplatte 10 nicht nur raumsparend nach innen geschwenkt, sondern gleichzeitig auf der Führungsebene 13 mit dem Teil 12 zur Auflage kommt.In FIG. 3, the same parts are labeled identically. The support has two
Claims (6)
dadurch gekennzeichnet,
daß die Abstützungen teleskopierbar sind, daß die Abstützarme (5) an ihren freien Enden (6) nach oben gekröpft sind und die Abstützplatten (10) in der eingeschwenkten Transportstellung der Abstützarme (5) jeweils mindestens teilweise in den Bereich oberhalb der Fahrgestelle (1) verlagerbar sind.Floor support for mobile jib cranes, in particular rail cranes, with a chassis resting on chassis and pivotable on the chassis about vertical axes arranged on the chassis, which support vertically extendable supports at their free ends, on each of which a support plate is arranged in a substantially horizontal position, which for Transport of the crane can be swiveled together with the support arms into the clearance profile of the jib crane when the supports are retracted,
characterized,
that the supports are telescopic, that the support arms (5) are cranked upward at their free ends (6) and that the support plates (10) in the pivoted-in transport position of the support arms (5) each at least partially into the area above the chassis (1) are relocatable.
dadurch gekennzeichnet
daß die Abstützzylinder (9) mehrfach teleskopierbar (9a,9b) ausgebildet sindFloor support for mobile mobile jib cranes, according to claim 2
characterized
that the support cylinders (9) are telescopic (9a, 9b)
dadurch gekennzeichnet,
daß die Abstützungen teleskopierbar sind, daß beim Einschwenken der Abstützarme (5) in die Transportstellung jede Abstützplatte (10) zwangsgeführt in eine Schräglage verschwenkbar und in ihrer Endlage innerhalb des Lichtraumprofiles des Auslegerkranes in dieser Schräglage selbsttätig festlegbar ist.Floor support for mobile jib cranes, in particular rail cranes, with a chassis resting on chassis and pivotable on the chassis about vertical axes arranged on the chassis, which support vertically extendable supports at their free ends, on each of which a support plate is arranged in a substantially horizontal position, which for Transport of the crane can be swiveled into the clearance profile of the jib crane when the supports are retracted,
characterized,
that the supports are telescopic, that when the support arms (5) are pivoted into the transport position, each support plate (10) can be swiveled into an inclined position and can be automatically fixed in this end position within the clearance profile of the jib crane in this inclined position.
gekennzeichnet durch
die Abstützplatten (10) -oder Teile (12) von diesen- beim Einschwenken der Abstützarme (5) untergreifende, in Richtung der Fahrzeuglängsachse ansteigende Führungsebenen (13), auf denen die Abstützplatten (10) in ihrer Transportstellung ablegbar sind.Floor support for mobile mobile jib cranes, according to claim 3
marked by
the support plates (10) - or parts (12) of these - when the support arms (5) are swung in, in the direction of the longitudinal axis of the vehicle, rising guide planes (13) on which the support plates (10) can be placed in their transport position.
dadurch gekennzeichnet
daß die Führungsebenen (13) an oberhalb der Fahrgestelle (3) -in Längsrichtung des Fahrzeugkranes neben dem Chassis (1)- angeordneten Trägern (14) beidseitig der Fahrzeuglängsachse angeordnet sind.Floor support for mobile mobile jib cranes, according to claim 4
characterized
that the guide planes (13) are arranged on both sides of the longitudinal axis of the vehicle on the supports (14) arranged above the chassis (3) —in the longitudinal direction of the mobile crane next to the chassis (1).
dadurch gekennzeichnet
daß die Abstützarme (5) an ihren freien Enden (6) nach oben gekröpft sind und die Abstützplatten (10) in der eingeschwenkten Transportstellung der Abstützarme (5) jeweils mindestens teilweise in den Bereich oberhalb der Fahrgestelle (3) verlagerbar sind.Floor support for mobile mobile jib cranes, according to one or more of claims 3 to 5
characterized
that the support arms (5) are cranked upwards at their free ends (6) and the support plates (10) in the pivoted-in transport position of the support arms (5) can each be at least partially displaced into the area above the chassis (3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19512236 | 1995-03-23 | ||
DE19512236A DE19512236C2 (en) | 1995-03-23 | 1995-03-23 | Floor support for jib cranes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0733586A1 true EP0733586A1 (en) | 1996-09-25 |
EP0733586B1 EP0733586B1 (en) | 1999-06-02 |
Family
ID=7758523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96250046A Expired - Lifetime EP0733586B1 (en) | 1995-03-23 | 1996-02-21 | Ground support for jib-cranes |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0733586B1 (en) |
AT (1) | ATE180751T1 (en) |
DE (2) | DE19512236C2 (en) |
DK (1) | DK0733586T3 (en) |
ES (1) | ES2132838T3 (en) |
GR (1) | GR3030406T3 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB285722A (en) * | 1927-07-18 | 1928-02-23 | Harnischfeger Corp | Improvements in wheeled cranes |
DE835190C (en) * | 1951-04-27 | 1952-03-27 | Ardeltwerke G M B H | Chassis, especially for rotary cranes on the street |
BE693635A (en) * | 1966-02-08 | 1967-07-17 | ||
DE2035105A1 (en) * | 1969-08-04 | 1971-02-25 | Schwermasch Kirow Veb K | Lifting device for moving counter loads on jib cranes, especially railway slewing cranes with support arms |
US3836012A (en) * | 1973-07-09 | 1974-09-17 | Bucyrus Erie Co | Removable outrigger assembly with rotatable jack |
DE3426611A1 (en) * | 1984-07-19 | 1986-01-23 | Fried. Krupp Gmbh, 4300 Essen | BASE OF A VEHICLE CRANE |
FR2577302A1 (en) * | 1985-02-13 | 1986-08-14 | Contant Paul | Stabiliser with variable inclination and retractable base plate |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1516179A (en) * | 1967-01-17 | 1968-03-08 | Richier Sa | Stabilizing support leg for mobile earthmoving or lifting machinery |
-
1995
- 1995-03-23 DE DE19512236A patent/DE19512236C2/en not_active Expired - Fee Related
-
1996
- 1996-02-21 EP EP96250046A patent/EP0733586B1/en not_active Expired - Lifetime
- 1996-02-21 ES ES96250046T patent/ES2132838T3/en not_active Expired - Lifetime
- 1996-02-21 DK DK96250046T patent/DK0733586T3/en active
- 1996-02-21 DE DE59602042T patent/DE59602042D1/en not_active Expired - Fee Related
- 1996-02-21 AT AT96250046T patent/ATE180751T1/en not_active IP Right Cessation
-
1999
- 1999-06-03 GR GR990401423T patent/GR3030406T3/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB285722A (en) * | 1927-07-18 | 1928-02-23 | Harnischfeger Corp | Improvements in wheeled cranes |
DE835190C (en) * | 1951-04-27 | 1952-03-27 | Ardeltwerke G M B H | Chassis, especially for rotary cranes on the street |
BE693635A (en) * | 1966-02-08 | 1967-07-17 | ||
DE2035105A1 (en) * | 1969-08-04 | 1971-02-25 | Schwermasch Kirow Veb K | Lifting device for moving counter loads on jib cranes, especially railway slewing cranes with support arms |
US3836012A (en) * | 1973-07-09 | 1974-09-17 | Bucyrus Erie Co | Removable outrigger assembly with rotatable jack |
DE3426611A1 (en) * | 1984-07-19 | 1986-01-23 | Fried. Krupp Gmbh, 4300 Essen | BASE OF A VEHICLE CRANE |
FR2577302A1 (en) * | 1985-02-13 | 1986-08-14 | Contant Paul | Stabiliser with variable inclination and retractable base plate |
Also Published As
Publication number | Publication date |
---|---|
DE19512236A1 (en) | 1996-09-26 |
ATE180751T1 (en) | 1999-06-15 |
DE59602042D1 (en) | 1999-07-08 |
ES2132838T3 (en) | 1999-08-16 |
GR3030406T3 (en) | 1999-09-30 |
EP0733586B1 (en) | 1999-06-02 |
DE19512236C2 (en) | 1997-03-06 |
DK0733586T3 (en) | 1999-11-15 |
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