EP0544139A1 - Travelling bracket crane - Google Patents

Travelling bracket crane Download PDF

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Publication number
EP0544139A1
EP0544139A1 EP92119116A EP92119116A EP0544139A1 EP 0544139 A1 EP0544139 A1 EP 0544139A1 EP 92119116 A EP92119116 A EP 92119116A EP 92119116 A EP92119116 A EP 92119116A EP 0544139 A1 EP0544139 A1 EP 0544139A1
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EP
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Prior art keywords
crane
vertical
wheels
runway
mobile console
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EP92119116A
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German (de)
French (fr)
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EP0544139B1 (en
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Wolfgang Dipl.-Ing. Gebhardt
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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
    • B66C23/20Cranes 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 with supporting couples provided by walls of buildings or like structures
    • B66C23/24Mobile wall cranes

Definitions

  • the invention relates to a mobile console crane with a rigid or pivotable in the horizontal plane jib and movable trolley thereon according to the preamble of claim 1, which can be used or retrofitted especially in unfavorable, cramped spaces.
  • Console cranes are mainly used in closed halls with the task of creating a second independent crane level below a bridge crane level.
  • console cranes When constructing console cranes, it is customary to use a rigid boom or a boom that can be pivoted in the horizontal plane.
  • the console cranes each have two crane wheels to support the dead loads of the crane and trolley as well as the lifting load on a vertical crane runway girder.
  • the cantilever moments from the crane, trolley and lifting load are usually introduced by four, or at least three, horizontally loaded pressure rollers via a horizontal pair of forces into two horizontal crane runway girders, which are arranged approximately vertically one above the other.
  • a task of this type is adequately reduced in terms of material, production and assembly, which means that the console crane according to the invention is less expensive to purchase and operate.
  • this object is achieved in a console crane of the type mentioned in the preamble of the main claim in that individual or paired vertical or inclined crane wheels are arranged on the crane in the area of one or two parallel crane runway girders transverse to the direction of travel of the crane.
  • These vertical or inclined crane runner wheels engage on the crane runway girder (s) or on their projecting parts in such a way that they are supported on the one hand on the top and on the other hand on the underside.
  • the inclined position of the crane wheels is preferably in a range from approximately vertical to approximately 30 degrees to the vertical.
  • bracket cranes with small cantilever moments only two individual vertical crane impellers are preferably required to accommodate all cantilever moments and vertical loads.
  • Either a box girder or two bending girders running in parallel with or without height offset can be used as crane runway girders.
  • the new console crane can be designed with the smallest wheelbase and thus minimal space requirements, which offers good opportunities for cornering.
  • the reason for this is that the distance between the wheels and the boom can be kept to a minimum.
  • Guide elements such as rollers and rails have a supporting effect.
  • console cranes according to the invention are more diverse Art.
  • the crane wheels located closer to the jib tip perform a double function, namely they take on all vertical loads from the crane, trolley and lifting load as well as from the vertical pair of forces, so that by eliminating the previously usual Console cranes required horizontal pressure rollers fewer supports are required.
  • the resulting decisive advantage is the considerable reduction in crane height, which is also associated with a corresponding reduction in weight due to the elimination of the large head girder for the vertical crane impellers required for conventional gantry cranes and the upper cross girder for the upper horizontal pressure rollers.
  • This crane width measured via the crane buffers is reduced by about half in the single-girder bracket cranes according to the invention and in particular in the case of the cranes supported by means of individual vertical crane impellers compared to the conventional bracket cranes.
  • the reduced crane construction height means there is less need for hall height for new buildings. Associated with this is the possibility of retrofitting the new console cranes in halls with a low construction height, in which conventional console cranes cannot be used due to the lack of a hall height.
  • the simple, light and therefore inexpensive design of the new gantry cranes means that they can also be used for much smaller capacities for which the use of previously used gantry cranes was excluded for economic reasons.
  • a crane runway girder 1 in the form of a hollow box as a bending torsion girder is provided for the mobile console crane according to the invention, which is fastened on hall supports 2.
  • the Crane runway girder 1 can also be formed by two bending girders running in parallel with or without height offset.
  • the boom 3 receiving the trolley 4 has at its end facing away from the jib tip a vertical bracket 5 with a rocker 6, in which two vertical crane wheels 7, which are lower than the crane runway support 1, are mounted.
  • an impeller housing 8 is connected to the boom 3, which accommodates two vertical upper crane impellers 10 which can be driven by the drives 9; in addition, the impeller housing 8 has buffers 12 for reducing the impact in the longitudinal direction of the hall.
  • the lower vertical crane runner 7 supports them on the underside of the crane runway support 1.
  • the horizontal pressure rollers used to absorb the cantilever moment in the previously used console cranes are no longer required.
  • bracket crane 5 and 7 show a variant of a bracket crane according to the invention, which is suitable for the use of bracket cranes with small cantilever moments.
  • auxiliary rollers 13 of small diameter are provided as support rollers.
  • the lower cross member 14 with the lower crane wheel 7 and the auxiliary rollers 13 is rigidly connected to the crane.
  • FIG. 8 shows a further example of the possible uses resulting from the small overall height.
  • two can do more, if the hall is high enough drive as two of the console cranes according to the invention with staggered jib lengths on superimposed crane runway girders.
  • the crane which is located higher up, has a sufficiently longer boom to be able to transport its load past the lower crane.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A travelling bracket crane with a rigid jib or a jib which can be slewed in the horizontal plane is proposed, in each case of a smaller overall height and overall width in comparison with known cranes. The invention is distinguished in that all the cantilever moments acting in the vertical plane are introduced into the crane runway support or supports (1) via a vertical force couple by means of vertical or slanted crane running wheels (7, 10) arranged on the crane individually or in pairs, offset transversely with respect to the crane travelling direction. In this arrangement the crane running wheels (7, 10) are supported on the crane runway support or supports (1) or their projecting parts, on the one hand on the underside and on the other hand on the upper side. The cranes can be used with the same spatial relationships very diversely in different operating planes and immediately adjacent operating areas. In addition, retrofitting is possible, even in cases where hall dimensions are restricted. <IMAGE>

Description

Die Erfindung bezieht sich auf einen fahrbaren Konsolkran mit starrem oder in der Horizontalebene schwenkbarem Ausleger und daran verfahrbarer Laufkatze nach dem Oberbegriff des Anspruchs 1, der insbesondere auch unter ungünstigen, beengten Raumverhältnissen eingesetzt bzw. nachgerüstet werden kann.The invention relates to a mobile console crane with a rigid or pivotable in the horizontal plane jib and movable trolley thereon according to the preamble of claim 1, which can be used or retrofitted especially in unfavorable, cramped spaces.

Konsolkrane werden vorwiegend in geschlossenen Hallen mit der Aufgabe eingesetzt, unterhalb einer Brückenkranebene eine zweite unabhängige Kranebene zu schaffen.Console cranes are mainly used in closed halls with the task of creating a second independent crane level below a bridge crane level.

Bei der konstruktiven Ausführung von Konsolkranen ist es üblich, sie mit starrem oder mit in der Horizontalebene schwenkbarem Ausleger auszuführen. Die Konsolkrane haben jeweils zwei Kranlaufräder zur Abstützung der Eigenlasten von Kran und Laufkatze sowie der Hublast auf einem vertikalen Kranbahnträger.When constructing console cranes, it is customary to use a rigid boom or a boom that can be pivoted in the horizontal plane. The console cranes each have two crane wheels to support the dead loads of the crane and trolley as well as the lifting load on a vertical crane runway girder.

Die Kragmomente aus Kran, Laufkatze und Hublast werden meistens durch vier, mindestens aber durch drei horizontal belastete Druckrollen über ein horizontales Kräftepaar in zwei etwa senkrecht übereinander angebrachte horizontale Kranbahnträger eingeleitet.The cantilever moments from the crane, trolley and lifting load are usually introduced by four, or at least three, horizontally loaded pressure rollers via a horizontal pair of forces into two horizontal crane runway girders, which are arranged approximately vertically one above the other.

Sehr oft werden der vertikale und der untere horizontale Kranbahnträger zu einem gemeinsamen Träger kombiniert, wobei dieser kombinierte untere Kranbahnträger neben der planmäßigen Biegung in zwei Ebenen je nach Trägerkonstruktion manchmal auch noch, aber unbeabsichtigt, auf Torsion beansprucht wird, deren Größe von der jeweiligen Lage und Größe der Lasten und den geometrischen Abmessungen des Trägers abhängt.Very often the vertical and the lower horizontal crane runway girders are combined to form a common girder, whereby this combined lower crane runway girder sometimes, in addition to the planned bend in two levels, depending on the girder construction, sometimes, but unintentionally, on torsion is claimed, the size of which depends on the respective location and size of the loads and the geometric dimensions of the carrier.

Mit der Herstellung und Anwendung der bekannten Konsolkrane sind verschiedene Nachteile verbunden.Various disadvantages are associated with the manufacture and use of the known console cranes.

Das ist einmal der hohe Aufwand bei Herstellung und Montage, der sich insbesondere aus der Notwendigkeit des gegenseitigen Ausrichtens der Laufräder und der Druckrollen ergibt.
Dazu kommt, daß die oberen und unteren Kranbahnträger nebst ihrer Befestigung an den Hallenstützen sehr material- und fertigungsaufwendig sind und ebenfalls gegenseitig, d.h. horizontal und vertikal auszurichten sind.
On the one hand, this is the high outlay in production and assembly, which results in particular from the need to align the impellers and the pressure rollers with one another.
In addition, the upper and lower crane runway girders, in addition to their attachment to the hall supports, are very expensive in terms of material and production and must also be aligned with one another, ie horizontally and vertically.

Zum anderen erfordert die große, ca. 2,5 bis 5 m betragende Abstützhöhe des Konsolkranes einen entsprechenden Bedarf an Hallenhöhe. Des weiteren hat oftmals die durch die Abstützungsmaßnahmen verursachte erhebliche Kranbreite in Hallenlängsrichtung einen Verlust an Kran-Arbeitsfläche zur Folge.On the other hand, the large, approx. 2.5 to 5 m supporting height of the console crane requires a corresponding need for hall height. Furthermore, the considerable crane width caused by the support measures in the longitudinal direction of the hall often results in a loss of crane work space.

Insgesamt stehen einer umfassenden Anwendung der herkömmlichen Konsolkrane die hohen Investitions- und Nachfolgekosten für den Konsolkran selbst, für die zugehörigen Kranbahnen und Hallen entgegen.Overall, the high investment and follow-up costs for the console crane itself, for the associated crane runways and halls, stand in the way of a comprehensive application of the conventional console cranes.

Abgeleitet aus diesem Stand der Technik ist es Aufgabe der Erfindung, einen fahrbaren Konsolkran einschließlich der zugehörigen Kranbahnträger konstruktiv so auszubilden, daß minimale Höhen- und Breitenabmessungen beansprucht werden.Derived from this prior art, it is an object of the invention to construct a mobile console crane including the associated crane runway girder in such a way that minimal height and width dimensions are claimed.

Davon ausgehend soll er auch in Hallen mit ungünstigen, beengten Raumverhältnissen eingesetzt werden können.Based on this, it should also be able to be used in halls with unfavorable, confined spaces.

Einer derartigen Aufgabenstellung adäquat ist ein wesentlich geringerer Material-, Fertigungs- und Montageaufwand, was ein kostengünstigeres Anschaffen und Betreiben des erfindungsgemäßen Konsolkranes bedeutet.A task of this type is adequately reduced in terms of material, production and assembly, which means that the console crane according to the invention is less expensive to purchase and operate.

Eine erfindungsgemäße Lösung dieser Aufgabe ist im Patentanspruch 1 angegeben. Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.An inventive solution to this problem is specified in claim 1. Further developments of the invention are characterized in the subclaims.

Erfindungsgemäß wird diese Aufgabe bei einem Konsolkran der im Oberbegriff des Hauptanspruches genannten Art dadurch gelöst, daß am Kran im Bereich eines oder zweier parallellaufender Kranbahnträger quer zur Fahrtrichtung des Kranes versetzte einzelne oder paarweise vertikale oder schräg gestellte Kranlaufräder angeordnet sind. Diese vertikalen oder schräg gestellten Kranlaufräder greifen an dem oder den Kranbahnträgern oder an deren vorstehenden Teilen derart an, daß sie sich einerseits auf der Oberseite und andererseits an der Unterseite abstützen.
Die Schrägstellung der Kranlaufräder erfolgt erfindungsgemäß vorzugsweise in einem Bereich von annähernd vertikal bis ca. 30 Grad zur Vertikalen.
According to the invention, this object is achieved in a console crane of the type mentioned in the preamble of the main claim in that individual or paired vertical or inclined crane wheels are arranged on the crane in the area of one or two parallel crane runway girders transverse to the direction of travel of the crane. These vertical or inclined crane runner wheels engage on the crane runway girder (s) or on their projecting parts in such a way that they are supported on the one hand on the top and on the other hand on the underside.
According to the invention, the inclined position of the crane wheels is preferably in a range from approximately vertical to approximately 30 degrees to the vertical.

Über die vertikalen oder schräg gestellten Kranlaufräder werden alle in der Vertikalebene wirkenden Kranmomente aus Eigenlast von Kran und Laufkatze sowie aus der Hublast in ein vertikales Kräftepaar umgewandelt und so in den oder die Kranbahnträger eingeleitet.Via the vertical or inclined crane wheels, all crane moments acting in the vertical plane from the own load of the crane and trolley as well as from the lifting load are converted into a vertical pair of forces and thus introduced into the crane runway girder (s).

Die außer den vertikalen Kranradlasten aus der Hublast und der Eigenlast des Kranes und der Laufkatze bei der Kranfahrt an den Kranlaufrädern wirkenden horizontalen Seitenkräfte sowie die Puffer- und Beschleunigungskräfte aus Kran und Laufkatze sind von nur geringer Größe, diese werden deshalb erfindungsgemäß von den schräg gestellten Kranlaufrädern oder von beidseitig an den Kranschienen oder direkt am Kranbahnträger anliegenden horizontalen Führungsrollen in den oder die Kranbahnträger eingeleitet.The except the vertical crane wheel loads from the lifting load and The dead load of the crane and the trolley when the crane is traveling, horizontal lateral forces acting on the crane wheels as well as the buffer and acceleration forces from the crane and trolley are only small in size, which is why, according to the invention, they are caused by the inclined crane wheels or on both sides of the crane rails or directly on Horizontal guide rollers adjacent to the crane runway carrier are introduced into the crane runway carrier (s).

Bei Konsolkranen mit kleinen Kragmomenten sind zur Aufnahme sämtlicher Kragmomente und vertikaler Lasten vorzugsweise nur zwei einzelne vertikale Kranlaufräder erforderlich.In the case of bracket cranes with small cantilever moments, only two individual vertical crane impellers are preferably required to accommodate all cantilever moments and vertical loads.

In Fahrtrichtung des Kranes sind bei dieser konstruktiven Ausführung zusätzliche elastische oder federnd gelagerte vertikale Hilfsrollen geringeren Durchmessers vorgesehen, deren Funktion darin besteht, die labile Kranabstützung zu stabilisieren, in Vertikalrichtung wirkende Beschleunigungs- und Pufferkräfte aufzunehmen und evtl. auftretende verschleißfördernde Einstellbewegungen der beiden Kranlaufräder zu begrenzen.In the direction of travel of the crane, additional elastic or spring-mounted vertical auxiliary rollers of smaller diameter are provided in this design, the function of which is to stabilize the unstable crane support, absorb acceleration and buffering forces acting in the vertical direction and limit any wear-promoting adjustment movements of the two crane wheels .

Als Kranbahnträger können entweder ein Kastenträger oder zwei mit oder ohne Höhenversatz parallellaufende Biegeträger zum Einsatz kommen.Either a box girder or two bending girders running in parallel with or without height offset can be used as crane runway girders.

Der neue Konsolkran kann mit kleinstem Radstand und damit minimalem Platzbedarf ausgeführt werden, wodurch gute Möglichkeiten zur Kurvenbefahrung gegeben sind. Ursache dafür ist, daß der Abstand der Räder zum Ausleger minimal gehalten werden kann. Unterstützend wirken dabei Führungselemente, wie Rollen und Schienen.The new console crane can be designed with the smallest wheelbase and thus minimal space requirements, which offers good opportunities for cornering. The reason for this is that the distance between the wheels and the boom can be kept to a minimum. Guide elements such as rollers and rails have a supporting effect.

Die Vorteile von erfindungemäßen Konsolkranen sind vielfältiger Art.The advantages of console cranes according to the invention are more diverse Art.

Durch die Umwandlung der Kragmomente in ein vertikales Kräftepaar übernehmen die näher zur Auslegerspitze befindlichen Kranlaufräder eine Doppelfunktion, sie nehmen nämlich sowohl sämtliche senkrechte Lasten aus Kran, Laufkatze und Hublast als auch aus dem vertikalen Kräftepaar auf, so daß durch den Wegfall der bisher bei den üblichen Konsolkranen notwendigen horizontalen Druckrollen weniger Abstützungen erforderlich sind.By converting the cantilever moments into a vertical pair of forces, the crane wheels located closer to the jib tip perform a double function, namely they take on all vertical loads from the crane, trolley and lifting load as well as from the vertical pair of forces, so that by eliminating the previously usual Console cranes required horizontal pressure rollers fewer supports are required.

Der daraus resultierende entscheidende Vorteil ist die erhebliche Reduzierung der Kranhöhe, die insbesondere auch durch den Fortfall des bei gebräuchlichen Konsolkranen benötigten großen Kopfträgers für die vertikalen Kranlaufräder und des oberen Querträgers für die oberen horizontalen Druckrollen mit einer entsprechenden Gewichtsverminderung verbunden ist.The resulting decisive advantage is the considerable reduction in crane height, which is also associated with a corresponding reduction in weight due to the elimination of the large head girder for the vertical crane impellers required for conventional gantry cranes and the upper cross girder for the upper horizontal pressure rollers.

Der Einsatz eines Hohlkasten-Kranbahnträgers hat besonders positive Folgewirkungen auf die Kranhöhe; des weiteren reduziert sich dadurch das Kranbahngewicht sowie der Fertigungs- und Montageaufwand.The use of a hollow box crane runway girder has particularly positive effects on the height of the crane; this also reduces the weight of the crane runway and the manufacturing and assembly costs.

Als weiterer Vorteil ist die wesentlich verringerte Kranbreite zu nennen.
Diese über die Kranpuffer gemessene Kranbreite wird bei den erfindungsgemäßen Einträger-Konsolkranen und insbesondere bei den mittels einzelner vertikaler Kranlaufräder abgestützten Kranen gegenüber den herkömmlichen Konsolkranen etwa auf die Hälfte verringert.
Another advantage is the significantly reduced crane width.
This crane width measured via the crane buffers is reduced by about half in the single-girder bracket cranes according to the invention and in particular in the case of the cranes supported by means of individual vertical crane impellers compared to the conventional bracket cranes.

Neben den sich in erheblichen Kostensenkungen in Form von geringem Material-, Fertigungs- und Montageaufwand ausdrückenden Vorteilen leiten sich aus der erfindungsgemäß geringen Bauhöhe und Baubreite vor allem wesentlich verbesserte Einsatzmöglichkeiten ab.In addition to the significant cost reductions in the form of low material, manufacturing and assembly costs Advantages derive from the low overall height and width according to the invention, above all, significantly improved possible uses.

Zunächst einmal entfallen die bei gebräuchlichen Konsolkranen infolge großer Höhen- und Breitenabmessungen auftretenden Probleme beim Transport des Kranes zum Einsatzort. Die wesentliche Kostensenkung auf Grund geringerer Bauhöhen und Baubreiten gestatten es, anstatt eines bekannten Konsolkranes für eine größere Hublast zwei erfindungsgemäße Konsolkrane halber Tragfähigkeit einzusetzen, die im Bedarfsfall gekoppelt werden können, um mittels einer Traverse gemeinsam die größere Last zu bewegen.First of all, there are no problems with common console cranes due to large height and width dimensions when transporting the crane to the place of use. The significant cost reduction due to the lower overall heights and widths make it possible to use two half-load capacity console cranes according to the invention instead of a known bracket crane for a larger lifting load, which can be coupled if necessary in order to jointly move the larger load by means of a crossbar.

Aus der reduzierten Kranbauhöhe folgt ein geringerer Bedarf an Hallenhöhe für Neubauten. Damit verbunden besteht die Möglichkeit des nachträglichen Einbaus der neuen Konsolkrane in Hallen mit niedriger Bauhöhe, in denen sich mangels fehlender Hallenhöhe herkömmliche Konsolkrane nicht verwenden lassen.The reduced crane construction height means there is less need for hall height for new buildings. Associated with this is the possibility of retrofitting the new console cranes in halls with a low construction height, in which conventional console cranes cannot be used due to the lack of a hall height.

Schließlich läßt die einfache, leichte und dadurch kostengünstige Ausführung der neuen Konsolkrane eine Anwendung auch für wesentlich kleinere Tragfähigkeiten zu, für die aus ökonomischen Gründen ein Einsatz bisher gebräuchlicher Konsolkrane ausgeschlossen war. Damit stellt der neue Konsolkran bei erweitertem Wirkungsbereich eine kostengünstige Alternative zu auf Hallenböden stehenden Säulenkranen mit ihrem zusätzlichem Platzbedarf für Fundamente und Säulen dar und trägt somit dazu bei, mehr Fläche für die technologische Halleneinrichtung zur Verfügung zu haben.Finally, the simple, light and therefore inexpensive design of the new gantry cranes means that they can also be used for much smaller capacities for which the use of previously used gantry cranes was excluded for economic reasons. This means that the new console crane, with an expanded range of effectiveness, represents a cost-effective alternative to column cranes on hall floors with their additional space requirements for foundations and columns and thus helps to have more space available for the technological hall equipment.

In analoger Weise bietet sich auch ein Einsatz an Verladerampen anstelle von Säulen- und Wanddrehkranen an, da sich hierbei Transport- und Umschlagmöglichkeiten über die gesamte Rampenlänge ergeben.In an analogous manner, it can also be used on loading ramps instead of column and wall-mounted slewing cranes, as this provides transport and handling options over the entire length of the ramp.

Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnung exemplarisch beschrieben, auf die im übrigen bezüglich der Offenbarung aller im Text nicht näher erläuterten erfindungsgemäßen Einzelheiten ausdrücklich verwiesen wird. Es zeigen:

Fig. 1:
die Seitenansicht eines erfindungsgemäßen Kranes,
Fig. 2:
die Draufsicht nach Fig. 1,
Fig. 3:
die Ansicht A nach Fig. 1,
Fig. 4:
eine perspektivische Darstellung des erfindungsgemäßen Kranes,
Fig. 5:
die Seitenansicht eines erfindungsgemäßen Konsolkranes mit kleinen Kragmomenten,
Fig. 6:
die Draufsicht nach Fig. 5,
Fig. 7:
die Ansicht B nach Fig. 5,
Fig. 8:
Darstellung von Einsatzmöglichkeiten in mehreren Ebenen.
The invention is described below by way of example without limitation of the general inventive concept on the basis of exemplary embodiments with reference to the drawing, to which reference is expressly made with regard to the disclosure of all details according to the invention not explained in detail in the text. Show it:
Fig. 1:
the side view of a crane according to the invention,
Fig. 2:
1,
Fig. 3:
the view A according to FIG. 1,
Fig. 4:
a perspective view of the crane according to the invention,
Fig. 5:
the side view of a bracket crane according to the invention with small cantilever moments,
Fig. 6:
5,
Fig. 7:
the view B according to FIG. 5,
Fig. 8:
Presentation of possible uses in several levels.

In den ausgewählten Ausführungsbeispielen ist für den erfindungsgemäßen fahrbaren Konsolkran ein Kranbahnträger 1 in Form eines Hohlkastens als Biege-Torsionsträger vorgesehen, welcher auf Hallenstützen 2 befestigt ist. Der Kranbahnträger 1 kann aber auch von zwei mit oder ohne Höhenversatz parallellaufenden Biegeträgern gebildet sein.In the selected exemplary embodiments, a crane runway girder 1 in the form of a hollow box as a bending torsion girder is provided for the mobile console crane according to the invention, which is fastened on hall supports 2. The Crane runway girder 1 can also be formed by two bending girders running in parallel with or without height offset.

Der die Laufkatze 4 aufnehmende Ausleger 3 weist an seinem der Auslegerspitze abgewandten Ende eine Vertikalhalterung 5 mit einer Schwinge 6 auf, in der zwei vertikale, gegenüber dem Kranbahnträger 1 untere Kranlaufräder 7 gelagert sind.The boom 3 receiving the trolley 4 has at its end facing away from the jib tip a vertical bracket 5 with a rocker 6, in which two vertical crane wheels 7, which are lower than the crane runway support 1, are mounted.

Ebenfalls im Bereich des Kranbahnträgers 1 ist mit dem Ausleger 3 ein Laufradgehäuse 8 verbunden, das zwei mittels der Antriebe 9 antreibbare vertikale obere Kranlaufräder 10 aufnimmt; außerdem weist das Laufradgehäuse 8 Puffer 12 zur Stoßminderung in Hallenlängsrichtung auf.Also in the area of the crane runway girder 1, an impeller housing 8 is connected to the boom 3, which accommodates two vertical upper crane impellers 10 which can be driven by the drives 9; in addition, the impeller housing 8 has buffers 12 for reducing the impact in the longitudinal direction of the hall.

Während sich die oberen vertikalen Kranlaufräder 10 auf der Oberseite des Kranbahnträgers 1 abstützen, erfolgt die Abstützung mittels der unteren vertikalen Kranlaufräder 7 auf der Unterseite des Kranbahnträgers 1. Es kommen also bei diesem Ausführungsbeispiel nur vertikal angeordnete Kranlaufräder 7 und 10 zur Anwendung. Dagegen entfallen die bei den bisher gebräuchlichen Konsolkranen zur Aufnahme des Kragmomentes dienenden horizontalen Druckrollen.While the upper vertical crane wheels 10 are supported on the upper side of the crane runway support 1, the lower vertical crane runner 7 supports them on the underside of the crane runway support 1. In this exemplary embodiment, only vertically arranged crane runner wheels 7 and 10 are used. On the other hand, the horizontal pressure rollers used to absorb the cantilever moment in the previously used console cranes are no longer required.

Über die vertikalen Kranlaufräder 7 und 10 werden alle in der Vertikalebene wirkenden Kragmomente aus Eigenlast von Kran und Laufkatze 4 sowie aus der Hublast über ein vertikales Kräftepaar in den Kranbahnträger 1 eingeleitet, wobei die näher zur Spitze des Auslegers 3 angeordneten oberen vertikalen Kranlaufräder 10 auch noch sämtliche Vertikallasten aus der Eigenlast von Kran und Laufkatze sowie aus der Hublast aufnehmen.Via the vertical crane impellers 7 and 10, all the cantilever moments acting in the vertical plane from the own load of the crane and trolley 4 and from the lifting load are introduced into the crane runway support 1 via a vertical pair of forces, the upper vertical crane impellers 10 arranged closer to the jib 3 also being introduced absorb all vertical loads from the dead load of the crane and trolley as well as from the lifting load.

Die außer den vertikalen Kranradlasten aus der Hublast und der Eigenlast des Kranes und der Laufkatze 4 an den Kranlaufrädern 7 und 10 bei Kranfahrt wirkenden horizontalen Seitenkräfte sowie die ebenfalls in der Horizontalebene wirkenden Puffer- und Beschleunigungskräfte aus Kran und Laufkatze 4 sind von nur geringer Größe und werden von horizontalen Führungsrollen 11 entsprechend Fig. 4 in den Kranbahnträger 1 eingeleitet. Diese Führungsrollen 11 können an den Kranschienen bzw. direkt am Kranbahnträger 1 anliegen.The except the vertical crane wheel loads from the lifting load and the dead load of the crane and the trolley 4 on the crane wheels 7 and 10 when the crane is moving, the horizontal side forces acting as well as the buffer and acceleration forces also acting in the horizontal plane from the crane and the trolley 4 are only small in size and are supported by horizontal guide rollers 11 according to FIG. 4 initiated in the crane runway girder 1. These guide rollers 11 can rest on the crane rails or directly on the crane runway support 1.

In Fig. 5 und 7 ist eine Variante eines erfindungsgemäßen Konsolkranes dargestellt, die sich für den Einsatz von Konsolkranen mit kleinen Kragmomenten eignet. Im Gegensatz zum oben beschriebenen Ausführungsbeispiel mit jeweils zwei oberen und unteren vertikalen Kranlaufrädern 10 und 7 sind hier zur Aufnahme sämtlicher Kragmomente und vertikaler Lasten aus Kran, Laufkatze 4 und Hublast jeweils nur ein oberes und ein unteres vertikales Kranlaufrad 10 und 7 vorhanden und auch ausreichend.5 and 7 show a variant of a bracket crane according to the invention, which is suitable for the use of bracket cranes with small cantilever moments. In contrast to the exemplary embodiment described above, each with two upper and lower vertical crane impellers 10 and 7, only one upper and one lower vertical crane impeller 10 and 7 are present here and also sufficient to accommodate all the cantilever moments and vertical loads from the crane, trolley 4 and lifting load.

Zur Stabilisierung der labilen Kranabstützung, zur Aufnahme von in der Vertikalebene wirkenden Beschleunigungs- und Pufferkräften und zur Begrenzung von in Form von Pendelbewegungen auftretenden verschleißfördernden Einstellbewegungen der beiden Kranlaufräder 7 und 10 sind zusätzliche elastische oder federnd gelagerte Hilfsrollen 13 geringen Durchmessers als Abstützrollen vorgesehen. Der untere Querträger 14 mit dem unteren Kranlaufrad 7 und den Hilfsrollen 13 ist hierbei starr mit dem Kran verbunden.To stabilize the unstable crane support, to absorb acceleration and buffer forces acting in the vertical plane and to limit wear-promoting adjustment movements of the two crane wheels 7 and 10 in the form of pendulum movements, additional elastic or spring-loaded auxiliary rollers 13 of small diameter are provided as support rollers. The lower cross member 14 with the lower crane wheel 7 and the auxiliary rollers 13 is rigidly connected to the crane.

In Fig. 8 ist ein weiteres Beispiel für die sich aus der geringen Bauhöhe ergebenden Einsatzmöglichkeiten dargestellt. Statt eines einzigen bisher gebräuchlichen Konsolkranes können zwei, bei ausreichender Hallenhöhe auch mehr als zwei der erfindungsgemäßen Konsolkrane mit gestaffelten Auslegerlängen auf übereinander liegenden Kranbahnträgern fahren.
Dabei hat der jeweils höher angeordnete Kran einen ausreichend längeren Ausleger, um seine Last am tiefer gelegenen Kran vorbeitransportieren zu können.
8 shows a further example of the possible uses resulting from the small overall height. Instead of a single console crane previously used, two can do more, if the hall is high enough drive as two of the console cranes according to the invention with staggered jib lengths on superimposed crane runway girders.
The crane, which is located higher up, has a sufficiently longer boom to be able to transport its load past the lower crane.

Einschließlich der Brückenkranebene sind dann drei oder auch mehr voneinander unabhängig bedienbare Kranebenen möglich. Die dadurch erhöhte Mobilität und Verfügbarkeit der Krane schafft auf diese Weise auch Voraussetzungen für den Betrieb von Kranen mit Ruf- und Zielsteuerung.Including the overhead crane level, three or more crane levels that can be operated independently of one another are then possible. The increased mobility and availability of the cranes also creates the conditions for operating cranes with call and destination control.

Diese Vorteile erfahren insofern noch eine Erweiterung, daß sich bei der ebenfalls gegebenen geringen Kranbreite auch noch die Kranarbeitsfläche erhöht und daß mehrere Konsolkrane dicht nebeneinander arbeiten können.These advantages are expanded to the extent that, given the small crane width that is also given, the crane working area also increases and that several console cranes can work closely next to one another.

Claims (8)

Fahrbarer Konsolkran einschließlich der Kranbahnträger (1), der Stützen (2) und weiterer erforderlicher Konstruktionselemente, mit starrem oder in der Horizontalebene schwenkbarem Ausleger (3) und daran verfahrbarer Laufkatze (4),
dadurch gekennzeichnet, daß zur Einleitung aller wirkenden vertikalen und horizontalen Kragmomente und Kräfte bzw. Lasten in den oder die Kranbahnträger (1) im Bereich der Kranbahnträger quer zur Fahrtrichtung horizontal versetzt, in Korrespondenz mit konstruktiv entsprechend ausgeführten Kranbahnträgern (1), einzeln oder paarweise vertikale oder schräg gestellte Kranlaufräder (7, 10) derart angeordnet sind, daß sie sich an dem bzw. den Kranbahnträgern (1) oder an deren vorstehenden Teilen einerseits an der Unterseite und andererseits auf der Oberseite abstützen und daß bei vertikaler Anordnung der Kranlaufräder (7, 10) zusätzlich beidseitig an den Kranschienen bzw. Kranbahnträgern (1) anliegende horizontale Führungsrollen (11) vorgesehen sind.
Mobile console crane including the crane runway girder (1), the supports (2) and other required construction elements, with a rigid or pivotable boom (3) and a trolley (4) that can be moved on it,
characterized in that for the introduction of all acting vertical and horizontal cantilever moments and forces or loads into the crane runway girder (s) horizontally offset transversely to the direction of travel in the area of the crane runway girder, in correspondence with correspondingly designed crane runway girders (1), individually or in pairs, vertically or inclined crane wheels (7, 10) are arranged in such a way that they are supported on the crane runway girder (s) (1) or on their projecting parts on the one hand on the underside and on the other hand on the top, and that when the crane wheels (7, 10) horizontal guide rollers (11) are additionally provided on both sides of the crane rails or crane runway supports (1).
Fahrbarer Konsolkran nach Anspruch 1,
dadurch gekennzeichnet, daß die Kranlaufräder (7, 10) annähernd vertikal gestellt sind.
Mobile console crane according to claim 1,
characterized in that the crane wheels (7, 10) are positioned approximately vertically.
Fahrbarer Konsolkran nach Anspruch 1,
dadurch gekennzeichnet, daß die Schrägstellung der Kranlaufräder bis ca. 30 Grad zur Vertikalen beträgt.
Mobile console crane according to claim 1,
characterized in that the inclination of the crane wheels is up to about 30 degrees to the vertical.
Fahrbarer Konsolkran nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß bei Abstützung des Kranes mittels einzeln am Kran angeordneter vorzugsweise vertikaler Kranlaufräder (7; 10) in Fahrtrichtung des Kranes zusätzlich abstützende, elastische oder federnd gelagerte vertikale Hilfsrollen (13) geringen Durchmessers vorgesehen sind.
Mobile console crane according to claim 1 or 2,
characterized in that when the crane is supported by means of preferably vertical ones arranged individually on the crane Crane wheels (7; 10) in the direction of travel of the crane additionally supporting, elastic or spring-mounted vertical auxiliary rollers (13) of small diameter are provided.
Fahrbarer Konsolkran nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß durch die gesamte Krankonstruktion ein minimaler Abstand der Kranlaufräder (7, 10) zum Ausleger (3) gegeben ist.
Mobile console crane according to one of claims 1 to 4,
characterized in that there is a minimal distance between the crane wheels (7, 10) and the boom (3) due to the entire crane construction.
Fahrbarer Konsolkran nach Anspruch 5,
dadurch gekennzeichnet, daß zur Unterstützung bei Kurvenfahrten Führungselemente, wie Rollen und Schienen vorhanden sind.
Mobile console crane according to claim 5,
characterized in that guide elements, such as rollers and rails, are provided to support cornering.
Fahrbarer Konsolkran nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß der Kranbahnträger (1) als Kastenträger ausgebildet ist.
Mobile console crane according to one of claims 1 to 6,
characterized in that the crane runway girder (1) is designed as a box girder.
Fahrbarer Konsolkran nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß als Kranbahnträger (1) zwei mit oder ohne Höhenversatz parallellaufende Biegeträger vorgesehen sind.
Mobile console crane according to one of claims 1 to 7,
characterized in that two bending beams running in parallel with or without height offset are provided as crane runway beams (1).
EP92119116A 1991-11-23 1992-11-07 Travelling bracket crane Expired - Lifetime EP0544139B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4138559A DE4138559C2 (en) 1991-11-23 1991-11-23 Mobile console crane
DE4138559 1991-11-23

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EP0544139A1 true EP0544139A1 (en) 1993-06-02
EP0544139B1 EP0544139B1 (en) 1996-05-29

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EP92119116A Expired - Lifetime EP0544139B1 (en) 1991-11-23 1992-11-07 Travelling bracket crane

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EP (1) EP0544139B1 (en)
AT (1) ATE138624T1 (en)
DE (2) DE4138559C2 (en)
ES (1) ES2090456T3 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US9096413B2 (en) 2010-11-26 2015-08-04 Terex Mhps Gmbh Crane having a crane jib, in particular a bracket crane

Families Citing this family (2)

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DE102004043575B4 (en) * 2004-09-09 2008-12-11 FAB Fördertechnik und Anlagenbau GmbH Plant for charging the batteries of forklifts
CN106744301A (en) * 2016-12-22 2017-05-31 徐州建机工程机械有限公司 A kind of Novel lightweight loading trolley

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US1383065A (en) * 1921-04-07 1921-06-28 Jr Florence C Biggert Wall-crane
DE1108878B (en) * 1960-06-01 1961-06-15 Peter Eiler Bracket slewing crane
DE1130130B (en) * 1961-07-14 1962-05-24 Maschf Augsburg Nuernberg Ag Console Trolley
US3245355A (en) * 1964-05-11 1966-04-12 Albina Engine And Machine Work Rail-mounted jib crane apparatus
FR1406839A (en) * 1964-09-04 1965-07-23 Naz Delle Officine Di Saviglia Improvements to overhead cranes
DE2121583A1 (en) * 1971-05-03 1972-11-16 Maschinenfabrik Augsburg Nürnberg AG, 8900 Augsburg Overhead crane with a Z-shaped bracket trolley that can be moved on a girder
CH546872A (en) * 1972-07-13 1974-07-31 Kokeisl Theodor SILO SYSTEM FOR RECEIVING, STORING AND REMOVING GRAIN OR PASTOESE GOODS.
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GB2017036A (en) * 1978-02-10 1979-10-03 Carruthers & Co J H Overhead cranes

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US9096413B2 (en) 2010-11-26 2015-08-04 Terex Mhps Gmbh Crane having a crane jib, in particular a bracket crane

Also Published As

Publication number Publication date
ATE138624T1 (en) 1996-06-15
EP0544139B1 (en) 1996-05-29
ES2090456T3 (en) 1996-10-16
DE59206412D1 (en) 1996-07-04
DE4138559A1 (en) 1993-05-27
DE4138559C2 (en) 1996-04-18

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