EP0596583A1 - Crane, in particular crane mounted on a railway vehicle - Google Patents

Crane, in particular crane mounted on a railway vehicle Download PDF

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Publication number
EP0596583A1
EP0596583A1 EP93250288A EP93250288A EP0596583A1 EP 0596583 A1 EP0596583 A1 EP 0596583A1 EP 93250288 A EP93250288 A EP 93250288A EP 93250288 A EP93250288 A EP 93250288A EP 0596583 A1 EP0596583 A1 EP 0596583A1
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EP
European Patent Office
Prior art keywords
counterweight
superstructure
crane
crane according
swivel
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Granted
Application number
EP93250288A
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German (de)
French (fr)
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EP0596583B1 (en
Inventor
Joachim Kröll
Walter Köllner
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KIROW ARDELT A.G.
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Mannesmann AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—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
    • 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
    • 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
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B66C2700/0328—Cranes on rails or on rail vehicles
    • B66C2700/0335—Cranes on rails or on rail vehicles with a slewing arm
    • B66C2700/0342—Cranes on rails or on rail vehicles with a slewing arm on a turntable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0321—Travelling cranes
    • B66C2700/0328—Cranes on rails or on rail vehicles
    • B66C2700/035—Construction details related to the travelling, to the supporting of the crane or to the blocking of the axles; Outriggers; Coupling of the travelling mechanism to the crane mechanism

Definitions

  • the invention relates to a crane, in particular a railway crane, according to the preamble of claim 1.
  • a jib crane is known with an undercarriage and an upper carriage pivotably arranged thereon.
  • the boom is supported on the superstructure.
  • a counterweight is arranged on the side of the superstructure facing away from the boom.
  • the counterweight is designed to change the counterweight moment in the top view as an extension of the boom in the horizontal direction.
  • the counterweight is adjusted depending on the pivoting movement of the superstructure.
  • the counterweight is mechanically coupled to the rotary drive for the superstructure via a lever linkage and a gearwheel.
  • the displaceability of the counterweight proves to be disadvantageous since this increases the rear overhang of the superstructure, that is to say the distance between the pivot axis of the superstructure and the outer contour of the counterweight facing away from the pivot axis.
  • This larger outreach leads to an increase in the counterweight moment and thus the load capacity of the crane, it is not possible to use the crane in confined spaces.
  • An example is a jib crane designed as a railway crane, the working area of which is often limited at least on one side by a prescribed clearance profile.
  • the object of the invention is to create a crane, in particular a railroad crane, which has an improved load capacity with at the same time less rear outreach.
  • the rear outreach of the uppercarriage can be reduced as a result of pivoting the counterweight in the opposite direction to the uppercarriage.
  • the opposite pivoting of the counterweight leads to a change in the rear outer contour of the superstructure, in such a way that up to a preselected maximum pivoting angle between 30 - 40 °, the counterweight with its rear and pivoting end the vertical side plane of the clearance profile, which is parallel here runs to the longitudinal axis of the boom 0 ° position, does not just break through.
  • the pivoting of the counterweight causes a reduction in the counterweight moment because the center of gravity of the counterweight is pushed out of the extension of the longitudinal axis of the boom, but the remaining counterweight moment proves sufficient for a pivoting angle of the superstructure of 0 - 40 ° perform a variety of the required work.
  • the limited swivel angle range in connection with the boom and the movability of the crane enables a sufficiently large working area to be operated next to the track body.
  • the absolute agreement between the swivel angle of the superstructure and the swivel angle of the counterweight leads to a continuous decrease in the counterweight moment with increasing swivel angle and is therefore easy to control.
  • the choice of the width of the counterweight and the width of the superstructure as a function of a preselected maximum swivel angle of the superstructure enables the outer contour of the superstructure and the counterweight to remain just within a clearance profile of its travel path when the maximum swivel angle is reached. This ensures that the crane can operate on a carriageway that can be designed as a road or rail without disturbing oncoming traffic on a neighboring carriageway.
  • An increase in the counterweight moment can be achieved by arranging the counterweight on an extendable arm which is connected to the joint on the superstructure. This linear extendability of the counterweight is possible because by pivoting the counterweight, it is only extended within the clearance profile of the route.
  • the crane according to the invention can also be in the transverse position and with a small rear outreach, and the same high load capacity can be operated at an early stage.
  • FIG. 1 shows a side view of a railway crane according to the invention.
  • the railway crane essentially consists of an undercarriage 1 and an uppercarriage 2.
  • the undercarriage 1 can be moved on rails 4 via trolleys 3.
  • the superstructure 2 is pivotally mounted on the undercarriage 1 via a vertical axis 5 oriented perpendicular to the undercarriage 1.
  • a boom 6 is articulated on the superstructure 2 and extends parallel to the longitudinal direction L (see FIG. 2) of the superstructure 2.
  • a counterweight 7 is arranged on the end of the superstructure 2 facing away from the free end of the boom 6.
  • the counterweight 7 is connected to the superstructure 2 via a joint 8, which has a pivot axis 9 aligned parallel to the vertical axis 5 of the superstructure 2.
  • the counterweight 7 is connected to the joint 8 via an arm 10. Furthermore, a driver's cab 11 is arranged on the superstructure 2 at the end of the superstructure 2 facing away from the counterweight 7.
  • the pivot drive of the counterweight 7 was not shown for reasons of clarity. This can take place, for example, via hydraulic cylinders, which each engage between the superstructure and the counterweight, or a rotary drive arranged on the superstructure, which, in accordance with the swivel drive above the superstructure, engages with a toothed ring arranged on the counterweight.
  • FIG. 2 shows a top view of FIG. 1.
  • the superstructure 2 is in the rest or transport position, i.e. the swivel angle between the longitudinal axis Lo of the upper carriage 2 and the longitudinal axis Lu of the lower carriage 1 is 0 °.
  • the counterweight 7 is arranged with its longitudinal extension Lg in the extension of the longitudinal axis Lo of the superstructure 2. Furthermore, it can be seen that the vertical axis 5 for pivoting the superstructure 2 and the pivot axis 9 of the counterweight 7 intersect the longitudinal axis Lo of the superstructure 2.
  • FIG. 3 shows an uppercarriage 3 according to FIG. 2 in a position pivoted by the angle a.
  • the angle a is enclosed by the longitudinal direction Lo of the upper carriage 2 and a plane running through the longitudinal direction Lu of the lower carriage 1.
  • the counterweight 7 is pivoted by a pivot angle b, which is enclosed by the longitudinal axis Lo of the superstructure 2 and the longitudinal axis Lg of the counterweight 7.
  • the pivoting directions of the superstructure 2 and the counterweight 7 are in opposite directions.
  • the width D of the counterweight 7 is selected so that, at a preselected maximum pivoting angle a, the outer contour of the superstructure 2, with the width F of the arm 6 and the counterweight 7, is located within the clearance profile of the rail track, the width of which is determined by the dimension C between the Center of the track and the side plane of the clearance profile is described.
  • the distance E which describes the distance between the vertical axis 5 and the pivot axis 9, is adapted in the same way to the maximum pivot angle ⁇ .
  • the railroad crane can thus pivot up to a swivel angle ⁇ of approximately 30 ° without the counterweight 7 leaving the width C of approximately 2 m of the clearance profile. With a boom length of approximately 12 m, this enables the load to be picked up to a distance A of approximately 6 m from the center of the rail. In this swivel position, the angle b is -30 °.
  • FIG. 4 shows a railway crane according to the invention with a counterweight 7 which can be extended horizontally.
  • the counterweight 7 can be extended parallel to the longitudinal axis Lu of the undercarriage 1 by means of a telescopic arm 10. It can be seen that an effective increase in the counterweight moment is achieved without leaving the width C of the clearance profile at the preselected swivel angle ⁇ .
  • FIG. 5 shows a plan view of a railroad crane with a counterweight 7 divided along its longitudinal axis Lg.
  • the parts 7 ', 7 "of the counterweight 7 are connected with their arms 10', 10" to the rear of the superstructure 2 via the pivot axis 9.
  • the joint 8 extending through the swivel axis 9 is designed as a multi-section pin connection, in order to enable the two parts 7, 7 'to be pivoted in the same direction as shown in FIG. 3, without the counterweight 7 dividing itself.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

The invention relates to a crane, in particular a crane mounted on a railway vehicle, with a revolving superstructure pivotably arranged about a vertical axis on a travelling carriage. Arranged on the revolving superstructure is a jib and a counterweight movable as a function of the slewing movement of the revolving superstructure. In order to obtain an improved carrying capacity in a crane of this type with at the same time a small rear working radius, it is proposed according to the invention that at least one counterweight (7) be connected via a joint (8) to the revolving superstructure (2) and that the joint (8) have a pivot axis (9) orientated parallel to the vertical axis (5). <IMAGE>

Description

Die Erfindung betrifft einen Kran, insbesondere Eisenbahnkran gemäß dem Oberbegriff des Anspruches 1.The invention relates to a crane, in particular a railway crane, according to the preamble of claim 1.

Aus der DD 224 303 A1 ist ein Auslegerdrehkran mit einem Unterwagen und einem darauf schwenkbar angeordneten Oberwagen bekannt. An dem Oberwagen stützt sich der Ausleger ab. Desweiteren ist an der dem Ausleger abgewandten Seite des Oberwagens ein Gegengewicht angeordnet. Das Gegengewicht ist zur Veränderung des Gegengewichtsmomentes in der Draufsicht gesehen in Verlängerung des Auslegers in Horizontalrichtung verschiebbar ausgebildet. Die Verstellung des Gegengewichts erfolgt in Abhängigkeit von der Schwenkbewegung des Oberwagens. Hierzu ist das Gegengewicht über ein Hebelgestänge und einem Zahnrad mechanisch mit dem Drehantrieb für den Oberwagen gekoppelt.From DD 224 303 A1 a jib crane is known with an undercarriage and an upper carriage pivotably arranged thereon. The boom is supported on the superstructure. Furthermore, a counterweight is arranged on the side of the superstructure facing away from the boom. The counterweight is designed to change the counterweight moment in the top view as an extension of the boom in the horizontal direction. The counterweight is adjusted depending on the pivoting movement of the superstructure. For this purpose, the counterweight is mechanically coupled to the rotary drive for the superstructure via a lever linkage and a gearwheel.

Die Verschiebbarkeit des Gegengewichts erweist sich als nachteilig, da hierdurch die hintere Ausladung des Oberwagens, das heißt der Abstand zwischen der Schwenkachse des Oberwagens und dem der Schwenkachse abgewandten Außenkontur des Gegengewichtes, vergrößert wird. Diese größere Ausladung führt zwar zu einer Erhöhung des Gegengewichtsmomentes und somit der Tragfähigkeit des Krans, jedoch ist ein Einsatz des Krans bei beengten Platzverhältnissen nicht möglich. Als Beispiel sei hier ein als Eisenbahnkran ausgebildeter Auslegerkran genannt, dessen Arbeitsbereich häufig durch ein vorgeschriebenes Lichtraumprofil mindestens einseitig begrenzt wird. Ein Verschwenken dieses Krans auf einem Gleis, zu dem ein paralleles Gleis verläuft, ist durch die vergrößerte Ausladung kaum möglich, da bereits ab einem geringen Schwenkwinkel das Gegengewicht das Lichtraumprofil seitlich in Richtung des Machbargleises verläßt und somit dieses Gleis für den Verkehr stillgelegt werden muß.The displaceability of the counterweight proves to be disadvantageous since this increases the rear overhang of the superstructure, that is to say the distance between the pivot axis of the superstructure and the outer contour of the counterweight facing away from the pivot axis. Although this larger outreach leads to an increase in the counterweight moment and thus the load capacity of the crane, it is not possible to use the crane in confined spaces. An example is a jib crane designed as a railway crane, the working area of which is often limited at least on one side by a prescribed clearance profile. A swiveling of this crane on a track, to which a parallel track runs, is hardly possible due to the enlarged radius, since even from a small swivel angle the counterweight leaves the clearance profile laterally in the direction of the feasible track and this track must therefore be closed for traffic.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde einen Kran, insbesondere einen Eisenbahnkran zu schaffen, der eine verbesserte Tragfähigkeit bei gleichzeitig geringer hinterer Ausladung aufweist.Proceeding from this, the object of the invention is to create a crane, in particular a railroad crane, which has an improved load capacity with at the same time less rear outreach.

Diese Aufgabe wird bei einem Kran, insbesondere einem Eisenbahnkran gemaß dem Oberbegriff des Anspruches 1 durch die kennzeichnenden Merkmale des Anspruches 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen 2 bis 10 angegeben.This object is achieved in a crane, in particular a railway crane in accordance with the preamble of claim 1 by the characterizing features of claim 1. Advantageous embodiments of the invention are specified in subclaims 2 to 10.

Erfindungsgemäß wird durch die Anordnung eines Gegengewichts an dem Oberwagen eines Eisenbahnkrans, das über ein Gelenk mit einer parallel zur vertikalen Achse des Oberwagens ausgerichteten Schwenkachse verbunden ist, erzielt, daß die hintere Ausladung des Oberwagens infolge eines zum Oberwagen gegenläufigen Verschwenkens des Gegengewichtes verringerbar ist. Das gegenläufige Verschwenken des Gegengewichtes führt zu einer Veränderung der hinteren Außenkontur des Oberwagens, in der Art, daß bis zu einem vorgewählten maximalen Schwenkwinkel zwischen 30 - 40° das Gegengewicht mit seinem hinteren und in Schwenkrichtung weisenden Ende die vertikale Seitenebene des Lichtraumprofils, die hier parallel zur Längsachse des Auslegers 0°-Stellung verläuft, gerade nicht durchbricht. Des weiteren wird durch das Verschwenken des Gegengewichtes zwar eine Verringerung des Gegengewichtsmomentes bedingt, da der Schwerpunkt des Gegengewichtes aus der Verlängerung der Längsachse des Auslegers herausgeschoben wird, jedoch erweist sich für einen Schwenkwinkel des Oberwagens von 0 - 40° das verbleibende Gegengewichtsmoment als ausreichend, um eine Vielzahl der erforderlichen Arbeiten durchzuführen. Darüber hinaus ermöglicht der zwar beschränkte Schwenkwinkelbereich in Verbindung mit dem Ausleger und der Verfahrbarkeit des Krans einen ausreichend großen Arbeitsbereich neben dem Gleiskörper zu bedienen. Die betragsmäßige Übereinstimmung zwischen dem Schwenkwinkel des Oberwagens und dem Schwenkwinkel des Gegengewichtes führt zu einer kontinuierlichen Abnahme des Gegengewichtsmomentes mit steigendem Schwenkwinkel und ist daher gut beherrschbar. Die Wahl der Breite des Gegengewichtes und der Breite des Oberwagens in Abhängigkeit eines vorgewählten maximalen Schwenkwinkels des Oberwagens ermöglicht, daß bei Erreichen des maximalen Schwenkwinkels die Außenkontur des Oberwagens und des Gegengewichtes gerade innerhalb eines Lichtraumprofils seines Fahrwegs verbleibt. Somit ist ein Betrieb des Kranes auf einer Fahrbahn, die als Straße oder Schiene ausgebildet sein kann, gewährleistet, ohne den Gegenverkehr auf einer Nachbarfahrbahn zu stören. Eine Erhöhung des Gegengewichtsmomentes kann erzielt werden durch die Anordnung des Gegengewichtes an einen ausfahrbaren Arm, der mit dem Gelenk am Oberwagen verbunden ist. Diese lineare Ausfahrbarkeit des Gegengewichts ist möglich, da durch das Verschwenken des Gegengewichtes, dieses nur innerhalb des Lichtraumprofils des Fahrweges ausgefahren wird.According to the invention, by arranging a counterweight on the uppercarriage of a railroad crane, which is connected via a joint to a pivot axis aligned parallel to the vertical axis of the uppercarriage, the rear outreach of the uppercarriage can be reduced as a result of pivoting the counterweight in the opposite direction to the uppercarriage. The opposite pivoting of the counterweight leads to a change in the rear outer contour of the superstructure, in such a way that up to a preselected maximum pivoting angle between 30 - 40 °, the counterweight with its rear and pivoting end the vertical side plane of the clearance profile, which is parallel here runs to the longitudinal axis of the boom 0 ° position, does not just break through. Furthermore, the pivoting of the counterweight causes a reduction in the counterweight moment because the center of gravity of the counterweight is pushed out of the extension of the longitudinal axis of the boom, but the remaining counterweight moment proves sufficient for a pivoting angle of the superstructure of 0 - 40 ° perform a variety of the required work. In addition, the limited swivel angle range in connection with the boom and the movability of the crane enables a sufficiently large working area to be operated next to the track body. The absolute agreement between the swivel angle of the superstructure and the swivel angle of the counterweight leads to a continuous decrease in the counterweight moment with increasing swivel angle and is therefore easy to control. The choice of the width of the counterweight and the width of the superstructure as a function of a preselected maximum swivel angle of the superstructure enables the outer contour of the superstructure and the counterweight to remain just within a clearance profile of its travel path when the maximum swivel angle is reached. This ensures that the crane can operate on a carriageway that can be designed as a road or rail without disturbing oncoming traffic on a neighboring carriageway. An increase in the counterweight moment can be achieved by arranging the counterweight on an extendable arm which is connected to the joint on the superstructure. This linear extendability of the counterweight is possible because by pivoting the counterweight, it is only extended within the clearance profile of the route.

Außerdem erweist es sich als vorteilhaft, das Gegengewicht längsgeteilt auszubilden und jedes Teil über ein insbesondere als mehrschnittige Bolzenverbindung ausgebildetes Gelenk mit dem Oberwagen zu verbinden, um in einer Querstellung des Oberwagens zum Fahrweg die Teile der Gegengewichte jeweils so zu verschwenken, daß sie mit ihrer Längsrichtung parallel zur Längsrichtung des Unterwagens ausgerichtet sind. Hierdurch kann der erfindungsgemäße Kran auch in Querstellung und mit geringer hinterer Ausladung, sowie gleichzeitig hoher Tragfähigkeit betrieben werden.In addition, it proves to be advantageous to form the counterweight lengthways and to connect each part to the superstructure via a joint, in particular as a multi-section bolt connection, in order to pivot the parts of the counterweights in a transverse position of the superstructure to the travel path in such a way that they move with their longitudinal direction are aligned parallel to the longitudinal direction of the undercarriage. As a result, the crane according to the invention can also be in the transverse position and with a small rear outreach, and the same high load capacity can be operated at an early stage.

Nachfolgend wird die Erfindung in einer Ausführungsform für einen Eisenbahnkran anhand von Zeichnungen näher erläutert. Es zeigen:

  • Figur 1 eine Seitenansicht eines Eisenbahnkrans,
  • Figur 2 eine Draufsicht auf Figur 1,
  • Figur 3 eine Draufsicht auf Figur 1 mit einem Oberwagen in verschwenkter Stellung,
  • Figur 4 eine Draufsicht auf einen Eisenbahnkran mit horizontal ausfahrbarem Gegengewicht,
  • Figur 5 eine Draufsicht auf einen Eisenbahnkran mit längsgeteiltem und aufgeklappten Gegengewicht und mit einem um 90° zum Unterwagen verschwenkten Oberwagen.
In the following, the invention is explained in more detail in an embodiment for a railway crane using drawings. Show it:
  • FIG. 1 shows a side view of a railway crane,
  • FIG. 2 shows a top view of FIG. 1,
  • FIG. 3 shows a top view of FIG. 1 with an uppercarriage in the pivoted position,
  • FIG. 4 shows a top view of a railroad crane with a horizontally extendable counterweight,
  • Figure 5 is a plan view of a railroad crane with a longitudinally divided and opened counterweight and with a superstructure pivoted through 90 ° to the undercarriage.

In Figur 1 ist eine Seitenansicht eines erfindungsgemäßen Eisenbahnkrans dargestellt. Der Eisenbahnkran besteht im wesentlichen aus einem Unterwagen 1 und einem Oberwagen 2. Der Unterwagen 1 ist über Fahrwerke 3 auf Schienen 4 verfahrbar. Auf dem Unterwagen 1 ist über eine vertikale und senkrecht zum Unterwagen 1 ausgerichtete Achse 5 schwenkbar der Oberwagen 2 gelagert. Auf dem Oberwagen 2 ist ein Ausleger 6 angelenkt, der sich parallel zur Längsrichtung L (s. Figur 2) des Oberwagens 2 erstreckt. Desweiteren ist an dem dem freien Ende des Auslegers 6 abgewandten Ende des Oberwagens 2 ein Gegengewicht 7 angeordnet. Das Gegengewicht 7 ist über ein Gelenk 8, das eine parallel zur vertikalen Achse 5 des Oberwagens 2 ausgerichtete Schwenkachse 9 aufweist, mit dem Oberwagen 2 verbunden. Das Gegengewicht 7 ist über einen Arm 10 mit dem Gelenk 8 verbunden. Ferner ist an dem Oberwagen 2 eine Führerkabine 11 an dem dem Gegengewicht 7 abgewandten Ende des Oberwagens 2 angeordnet. Der Schwenkantrieb des Gegengewichtes 7 wurde aus Gründen der Übersichtlichkeit nicht dargestellt. Dieser kann beispielsweise über Hydraulikzylinder, die jeweils zwischen dem Oberwagen und dem Gegengewicht angreifen oder einen an dem Oberwagen angeordneten Drehantrieb, der entsprechend dem Schwenkantrieb über dem Oberwagen mit einem an dem Gegengewicht angeordneten Zahnkranz im Eingriff steht, erfolgen.FIG. 1 shows a side view of a railway crane according to the invention. The railway crane essentially consists of an undercarriage 1 and an uppercarriage 2. The undercarriage 1 can be moved on rails 4 via trolleys 3. The superstructure 2 is pivotally mounted on the undercarriage 1 via a vertical axis 5 oriented perpendicular to the undercarriage 1. A boom 6 is articulated on the superstructure 2 and extends parallel to the longitudinal direction L (see FIG. 2) of the superstructure 2. Furthermore, a counterweight 7 is arranged on the end of the superstructure 2 facing away from the free end of the boom 6. The counterweight 7 is connected to the superstructure 2 via a joint 8, which has a pivot axis 9 aligned parallel to the vertical axis 5 of the superstructure 2. The counterweight 7 is connected to the joint 8 via an arm 10. Furthermore, a driver's cab 11 is arranged on the superstructure 2 at the end of the superstructure 2 facing away from the counterweight 7. The pivot drive of the counterweight 7 was not shown for reasons of clarity. This can take place, for example, via hydraulic cylinders, which each engage between the superstructure and the counterweight, or a rotary drive arranged on the superstructure, which, in accordance with the swivel drive above the superstructure, engages with a toothed ring arranged on the counterweight.

In Figur 2 ist eine Draufsicht auf Figur 1 dargestellt. Der Oberwagen 2 ist in Ruhe- bzw. Transportstellung, d.h. der Schwenkwinkel zwischen der Längsachse Lo des Oberwagens 2 und der Längsachse Lu des Unterwagens 1 beträgt 0°. In der Transportstellung ist das Gegengewicht 7 mit seiner Längserstreckung Lg in der Verlängerung der Längsachse Lo des Oberwagens 2 angeordnet. Desweiteren ist ersichtlich, daß die vertikale Achse 5 zum Verschwenken des Oberwagens 2 und die Schwenkachse 9 des Gegengewichts 7 die Längsachse Lo des Oberwagens 2 schneiden.FIG. 2 shows a top view of FIG. 1. The superstructure 2 is in the rest or transport position, i.e. the swivel angle between the longitudinal axis Lo of the upper carriage 2 and the longitudinal axis Lu of the lower carriage 1 is 0 °. In the transport position, the counterweight 7 is arranged with its longitudinal extension Lg in the extension of the longitudinal axis Lo of the superstructure 2. Furthermore, it can be seen that the vertical axis 5 for pivoting the superstructure 2 and the pivot axis 9 of the counterweight 7 intersect the longitudinal axis Lo of the superstructure 2.

Die Figur 3 zeigt einen Oberwagen 3 gemäß Figur 2 in einer um den Winkel a verschwenkten Stellung. Der Winkel a ist von der Längsrichtung Lo des Oberwagens 2 und einer durch die Längsrichtung Lu des Unterwagens 1 verlaufenden Ebene eingeschlossen. Das Gegengewicht 7 ist um einen Schwenkwinkel b, der von der Längsachse Lo des Oberwagens 2 und der Längsachse Lg des Gegengewichtes 7 eingeschlossen ist, verschwenkt. Die Verschwenkrichtungen des Oberwagens 2 und des Gegengewichts 7 sind gegenläufig. Die Breite D des Gegengewichts 7 ist so gewählt, daß bei einem vorgewählten maximalen Schwenkwinkel a sich die Außenkontur des Oberwagens 2, mit der Breite F des Auslegers 6 und des Gegengewichtes 7 innerhalb des Lichtraumprofils des Schienenweges befindet, dessen Breite durch das Maß C zwischen der Mitte des Gleises und der Seitenebene des Lichtraumprofils beschrieben ist. In der gleichen Weise an den maximalen Schwenkwinkel a ist der Abstand E angepaßt, der den Abstand zwischen der vertikalen Achse 5 und der Schwenkachse 9 beschreibt. In dem Ausführungsbeispiel kann somit der Eisenbahnkran bis zu einem Schwenkwinkel a von etwa 30° verschwenken, ohne daß das Gegengewicht 7 die Breite C von etwa 2 m des Lichtraumprofils verläßt. Bei einer Auslegerlänge von etwa 12 m ist hierdurch ein Aufnehmen der Last bis zu einem Abstand A von etwa 6 m zur Schienenmitte möglich. In dieser Verschwenkstellung beträgt der Winkel b -30°.FIG. 3 shows an uppercarriage 3 according to FIG. 2 in a position pivoted by the angle a. The angle a is enclosed by the longitudinal direction Lo of the upper carriage 2 and a plane running through the longitudinal direction Lu of the lower carriage 1. The counterweight 7 is pivoted by a pivot angle b, which is enclosed by the longitudinal axis Lo of the superstructure 2 and the longitudinal axis Lg of the counterweight 7. The pivoting directions of the superstructure 2 and the counterweight 7 are in opposite directions. The width D of the counterweight 7 is selected so that, at a preselected maximum pivoting angle a, the outer contour of the superstructure 2, with the width F of the arm 6 and the counterweight 7, is located within the clearance profile of the rail track, the width of which is determined by the dimension C between the Center of the track and the side plane of the clearance profile is described. The distance E, which describes the distance between the vertical axis 5 and the pivot axis 9, is adapted in the same way to the maximum pivot angle α. In the exemplary embodiment, the railroad crane can thus pivot up to a swivel angle α of approximately 30 ° without the counterweight 7 leaving the width C of approximately 2 m of the clearance profile. With a boom length of approximately 12 m, this enables the load to be picked up to a distance A of approximately 6 m from the center of the rail. In this swivel position, the angle b is -30 °.

In Figur 4 ist ein erfindungsgemäßer Eisenbahnkran mit einem horizontal ausfahrbaren Gegengewicht 7 dargestellt. Das Gegengewicht 7 ist mittels eines teleskopierbaren Arms 10 parallel zur Längsachse Lu des Unterwagens 1 ausfahrbar. Es ist ersichtlich, daß eine wirksame Erhöhung des Gegengewichtsmomentes erzielt wird, ohne die Breite C des Lichtraumprofils bei dem vorgewählten Schwenkwinkel a zu verlassen.FIG. 4 shows a railway crane according to the invention with a counterweight 7 which can be extended horizontally. The counterweight 7 can be extended parallel to the longitudinal axis Lu of the undercarriage 1 by means of a telescopic arm 10. It can be seen that an effective increase in the counterweight moment is achieved without leaving the width C of the clearance profile at the preselected swivel angle α.

Die Figur 5 zeigt eine Draufsicht auf einen Eisenbahnkran mit einem entlang seiner Längsachse Lg geteilten Gegengewicht 7. Die Teile 7', 7" des Gegengewichtes 7 sind mit ihren Armen 10', 10" über die Schwenkachse 9 mit der Hinterseite des Oberwagens 2 verbunden. Das durch die Schwenkachse 9 verlaufende Gelenk 8 ist als mehrschnittige Bolzenverbindung ausgeführt, um somit auch ein gleichsinniges Verschwenken der beiden Teile 7, 7' gemäß der Figur 3 zu ermöglichen, ohne daß sich das Gegengewicht 7 hierbei teilt. Aus der Figur 5 ist ersichtlich, daß der erfindungsgemäße Eisenbahnkran bei einem Schwenkwinkel a von 90° und gleichzeitig parallel zur Längsachse des Unterwagens aufgeklappten Teilen 7, 7' des Gegengewichtes 7 auch eine verringerte hintere Ausladung aufweist.FIG. 5 shows a plan view of a railroad crane with a counterweight 7 divided along its longitudinal axis Lg. The parts 7 ', 7 "of the counterweight 7 are connected with their arms 10', 10" to the rear of the superstructure 2 via the pivot axis 9. The joint 8 extending through the swivel axis 9 is designed as a multi-section pin connection, in order to enable the two parts 7, 7 'to be pivoted in the same direction as shown in FIG. 3, without the counterweight 7 dividing itself. From Figure 5 it can be seen that the railway crane according to the invention with a swivel angle α of 90 ° and at the same time parallel to the longitudinal axis of the undercarriage unfolded parts 7, 7 'of the counterweight 7 also has a reduced rear projection.

BezugszeichenlisteReference list

  • 1 Unterwagen1 undercarriage
  • 2 Oberwagen2 superstructures
  • 3 Fahrwerk3 undercarriage
  • 4, 4' Schiene4, 4 'rail
  • 5 vertikale Achse5 vertical axis
  • 6 Ausleger6 outriggers
  • 7 Gegengewicht7 counterweight
  • 8 Gelenk8 joint
  • 9 Schwenkachse9 swivel axis
  • 10 Arm10 arm
  • 11 Führerkabine11 driver's cab
  • 12 Fahrweg12 track
  • 13 Schwenkantrieb13 rotary actuator
  • A Abstand zwischen Lu und AuslegerendeA Distance between the Lu and the end of the boom
  • B Abstand zwischen Lo und Schwenkachse 9B Distance between Lo and swivel axis 9
  • C Halbe Breite des LichtraumprofilsC Half the width of the clearance profile
  • D Breite des GegengewichtesD width of the counterweight
  • E Abstand zwischen 5 und 9E distance between 5 and 9
  • Lg Längsachse des GegengewichtsLg longitudinal axis of the counterweight
  • Lo Längsachse des OberwagensLo longitudinal axis of the superstructure
  • Lu Längsachse des UnterwagensLu longitudinal axis of the undercarriage
  • a Schwenkwinkel des Auslegersa Swing angle of the boom
  • b Schwenkwinkel des Gegengewichtesb Swing angle of the counterweight

Claims (10)

1. Kran, insbesondere Eisenbahnkran mit auf einem Unterwagen um eine vertikale Achse schwenkbar angeordneten Oberwagen, an dem ein Ausleger und ein in Abhängigkeit von der Schwenkbewegung des Oberwagens bewegbares Gegengewicht angeordnet ist,
dadurch gekennzeichnet,
daß mindestens ein Gegengewicht (7) über ein Gelenk (8) mit dem Oberwagen (2) verbunden ist und das Gelenk (8) eine parallel zur vertikalen Achse (5) ausgerichtete Schwenkachse (9) aufweist.1. Crane, in particular a railroad crane with an uppercarriage pivotably arranged on a undercarriage about a vertical axis, on which a jib and a counterweight movable depending on the pivoting movement of the superstructure is arranged,
characterized,
that at least one counterweight (7) is connected to the superstructure (2) via a joint (8) and the joint (8) has a pivot axis (9) aligned parallel to the vertical axis (5). 2. Kran nach Anspruch 1, dadurch gekennzeichnet,
daß die Schwenkachse (9) des Gegengewichtes (7) die Längsachse (Lo) des Oberwagens (2) schneidet und von der vertikalen Achse (5) des Oberwagens (2) in Richtung der von dem freien Ende des Auslegers (6) abgewandten Rückseite des Oberwagens (2) beabstandet ist.2. Crane according to claim 1, characterized in
that the pivot axis (9) of the counterweight (7) intersects the longitudinal axis (Lo) of the superstructure (2) and of the vertical axis (5) of the superstructure (2) in the direction of the rear of the free end of the boom (6) Upper carriage (2) is spaced. 3. Kran nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß das Gegengewicht (7) über einen Schwenkantrieb, der zwischen Oberwagen (2) und Gegengewicht (7) angeordnet ist, gegenläufig zur Schwenkrichtung des Oberwagens (2) antreibbar ist.3. Crane according to claim 1 or 2, characterized in
that the counterweight (7) via a swivel drive, which is arranged between the superstructure (2) and counterweight (7), can be driven in the opposite direction to the swivel direction of the superstructure (2). 4. Kran nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet,
daß der zwischen der Längsachse (Lo) des Oberwagens (2) und der Längsachse (Lu) des Unterwagens (1) eingeschlossene Schwenkwinkel (a) und der von der Längsachse (Lo) des Oberwagens (2) und der Längsachse (Lg) des Gegengewichtes (7) eingeschlossene Schwenkwinkel (b) in der Transportstellung und in einer vorgewählten maximalen Schwenkstellung mit einem Schwenkwinkel (a) der zwischen 20 und 40° liegt, den gleichen Betrag aufweisen.4. Crane according to one of claims 1 to 3, characterized in
that the swivel angle (a) enclosed between the longitudinal axis (Lo) of the upper carriage (2) and the longitudinal axis (Lu) of the lower carriage (1) and that of the longitudinal axis (Lo) of the upper carriage (2) and the longitudinal axis (Lg) of the counterweight (7) included swivel angle (b) in the transport position and in a preselected maximum swivel position with a swivel angle (a) that is between 20 and 40 ° have the same amount. 5. Kran nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,
daß der Schwenkantrieb in Abhängigkeit vom Schwenkwinkel (a) des Oberwagens (2) derart steuerbar ist, daß der Schwenkwinkel (a) des Oberwagens (2) und der Schwenkwinkel (b) des Gegengewichts (7) in jeder Verschwenkstellung des Oberwagens (2) betragsmäßig gleich sind.5. Crane according to one of claims 1 to 4, characterized in
that the swivel drive is controllable in dependence on the swivel angle (a) of the superstructure (2) such that the swivel angle (a) of the superstructure (2) and the swivel angle (b) of the counterweight (7) in each pivot position of the superstructure (2) in terms of amount are the same. 6. Kran nach einem oder mehreren der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß das Verhältnis der Breite (D) des Gegengewichtes (7) und der Breite (F) des Oberwagens (2), sowie der Abstand (E) zwischen der vertikalen Achse (5) und der Schwenkachse (9) so gewählt sind, daß bei vorgewähltem maximalen Schwenkwinkel (a) des Oberwagens (2) die Außenkontur des Oberwagens (2) und des Gegengewichtes (7) innerhalb der halben Breite (C) eines Lichtraumprofils eines Fahrwegs (12) angeordnet sind.6. Crane according to one or more of claims 1 to 5,
characterized,
that the ratio of the width (D) of the counterweight (7) and the width (F) of the superstructure (2), and the distance (E) between the vertical axis (5) and the pivot axis (9) are chosen so that at preselected maximum swivel angle (a) of the superstructure (2) the outer contour of the superstructure (2) and the counterweight (7) are arranged within half the width (C) of a clearance profile of a track (12). 7. Kran nach einem oder mehreren der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß das Gegengewicht (7) über einen Arm (10) mit dem Gelenk (8) verbunden ist und der Arm (10) ausfahrbar ist.7. Crane according to one or more of claims 1 to 6,
characterized,
that the counterweight (7) is connected via an arm (10) to the joint (8) and the arm (10) can be extended. 8. Kran nach einem oder mehreren der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß das Gegengewicht (7) längsgeteilt ist und jedes Teil (7', 7") des Gegengewichtes (7) über das Gelenk (8) mit dem Oberwagen (2) nach Art einer mehrschnittigen Bolzenverbindung verbunden ist.8. Crane according to one or more of claims 1 to 7,
characterized,
that the counterweight (7) is longitudinally divided and each part (7 ', 7 ") of the counterweight (7) is connected via the joint (8) to the superstructure (2) in the manner of a multi-section bolt connection. 9. Kran nach Anspruch 8, dadurch gekennzeichnet,
daß die Breite (D') der Teile der Gegengewichte (7) sowie der Abstand (B') der Schwenkachse (9) zur vertikalen Achse (5) und der Abstand (B) zwischen der Längsachse (Lo) und der Schwenkachse (9) so gewählt sind, daß bei einem Schwenkwinkel (a) des Oberwagens (2) von etwa 90°, die um 90° verschwenkten Teile des Gegengewichtes (7) innerhalb der Breite (C) des Lichtraumprofils des Fahrwegs (12) angeordnet sind.9. Crane according to claim 8, characterized in
that the width (D ') of the parts of the counterweights (7) and the distance (B') of the pivot axis (9) to the vertical axis (5) and the distance (B) between the longitudinal axis (Lo) and the pivot axis (9) are selected so that at a swivel angle (a) of the superstructure (2) of approximately 90 °, the parts of the counterweight (7) pivoted by 90 ° are arranged within the width (C) of the clearance profile of the travel path (12). 10. Kran nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet,
daß das Gegengewicht (7) weitestgehend quaderförmig ausgebildet ist, dessen der Seitenebene des Lichtraumprofils zugewandte Seitenwand in der Verschwenkstellung mit dem maximalen Schwenkwinkel (a) parallel zur Seitenebene des Lichtraumprofils verläuft.10. Crane according to one of claims 1 to 9, characterized in
that the counterweight (7) is largely cuboid, whose side wall facing the side plane of the clearance profile runs parallel to the side plane of the clearance profile in the pivoting position with the maximum pivoting angle (a).
EP93250288A 1992-11-06 1993-10-25 Crane, in particular crane mounted on a railway vehicle Expired - Lifetime EP0596583B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4237948 1992-11-06
DE4237948A DE4237948C5 (en) 1992-11-06 1992-11-06 Crane, in particular railway crane

Publications (2)

Publication Number Publication Date
EP0596583A1 true EP0596583A1 (en) 1994-05-11
EP0596583B1 EP0596583B1 (en) 1998-03-25

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ID=6472543

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EP93250288A Expired - Lifetime EP0596583B1 (en) 1992-11-06 1993-10-25 Crane, in particular crane mounted on a railway vehicle

Country Status (7)

Country Link
EP (1) EP0596583B1 (en)
JP (1) JP2612537B2 (en)
KR (1) KR100289994B1 (en)
AT (1) ATE164365T1 (en)
DE (2) DE4237948C5 (en)
DK (1) DK0596583T3 (en)
ES (1) ES2113998T3 (en)

Cited By (4)

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EP0665185A1 (en) * 1994-01-31 1995-08-02 MANNESMANN Aktiengesellschaft Crane, particularly track-bound crane
EP0675069A1 (en) * 1994-02-28 1995-10-04 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Trackborne machine with a swing crane
US20160280517A1 (en) * 2015-03-24 2016-09-29 Liebherr-Werk Ehingen Gmbh Mobile Crane
CN113023590A (en) * 2021-04-16 2021-06-25 攀钢集团西昌钢钒有限公司 Railway box wagon

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KR20050008921A (en) * 2003-07-14 2005-01-24 두산중공업 주식회사 Decision method of capacity of cooler in electric generator
DE102005027596B4 (en) * 2005-06-14 2007-07-19 Meinhard Stulz Railway crane
WO2007076925A1 (en) * 2006-01-02 2007-07-12 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh Machine which can be displaced on rails and has a slewing crane
DE102011101803B4 (en) 2011-05-17 2014-11-20 Kirow Ardelt Gmbh Railway crane
JP6527012B2 (en) * 2015-04-28 2019-06-05 学校法人 名城大学 Inspection device
PL234206B1 (en) * 2017-12-13 2020-01-31 Crane Tech Spolka Z Ograniczona Odpowiedzialnoscia Rescue and repair railway team with a crane

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FR1561161A (en) * 1967-12-07 1969-03-28
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
EP0665185A1 (en) * 1994-01-31 1995-08-02 MANNESMANN Aktiengesellschaft Crane, particularly track-bound crane
EP0675069A1 (en) * 1994-02-28 1995-10-04 Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H. Trackborne machine with a swing crane
US20160280517A1 (en) * 2015-03-24 2016-09-29 Liebherr-Werk Ehingen Gmbh Mobile Crane
WO2016150568A1 (en) * 2015-03-24 2016-09-29 Liebherr-Werk Ehingen Gmbh Mobile crane
US10647554B2 (en) * 2015-03-24 2020-05-12 Liebherr-Werk Ehingen Gmbh Mobile crane
DE102015006439B4 (en) 2015-03-24 2023-08-31 Liebherr-Werk Ehingen Gmbh mobile crane
CN113023590A (en) * 2021-04-16 2021-06-25 攀钢集团西昌钢钒有限公司 Railway box wagon

Also Published As

Publication number Publication date
JPH06199490A (en) 1994-07-19
DE4237948C5 (en) 2008-08-28
DK0596583T3 (en) 1998-06-02
JP2612537B2 (en) 1997-05-21
DE4237948C2 (en) 1994-08-18
KR100289994B1 (en) 2001-05-15
ES2113998T3 (en) 1998-05-16
DE4237948A1 (en) 1994-05-19
EP0596583B1 (en) 1998-03-25
KR940011341A (en) 1994-06-21
ATE164365T1 (en) 1998-04-15
DE59308303D1 (en) 1998-04-30

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