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EP3248928A1 - Z-shaped foldable crane - Google Patents

Z-shaped foldable crane Download PDF

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Publication number
EP3248928A1
EP3248928A1 EP16171100.7A EP16171100A EP3248928A1 EP 3248928 A1 EP3248928 A1 EP 3248928A1 EP 16171100 A EP16171100 A EP 16171100A EP 3248928 A1 EP3248928 A1 EP 3248928A1
Authority
EP
European Patent Office
Prior art keywords
arm
articulated
connection
articulated arm
telescopic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16171100.7A
Other languages
German (de)
French (fr)
Other versions
EP3248928B1 (en
Inventor
Hannes Steindl
Johannes Hetz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Epsilon Kran GmbH
Original Assignee
Epsilon Kran GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to SI201630174T priority Critical patent/SI3248928T1/en
Application filed by Epsilon Kran GmbH filed Critical Epsilon Kran GmbH
Priority to ES16171100T priority patent/ES2710507T3/en
Priority to EP16171100.7A priority patent/EP3248928B1/en
Priority to PL16171100T priority patent/PL3248928T3/en
Priority to JP2017100633A priority patent/JP6538752B2/en
Priority to BR102017010652-7A priority patent/BR102017010652B1/en
Priority to RU2017117577A priority patent/RU2656803C1/en
Publication of EP3248928A1 publication Critical patent/EP3248928A1/en
Application granted granted Critical
Publication of EP3248928B1 publication Critical patent/EP3248928B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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
    • 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
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration

Definitions

  • the invention relates to a crane having the features of the preamble of claim 1.
  • Generic cranes are also referred to as Z-cranes for short. They are preferably arranged on a vehicle, but can also be used stationary. In a Z-crane crane column, lift arm and articulated arm are arranged in a common plane.
  • the articulated arm usually has an interface for a tool, a hoist or the like. On.
  • the telescopic arm extends in the retracted state in a direction away from the first end of the articulated arm direction maximum up to the hinge connection with the lifting arm. This results in an extension of the reach of this crane in comparison with previous cranes, in which only a smaller part of the articulated arm as a receiving area for the telescopic arm was available (see, eg. US 3,032,306 ).
  • the EP 2 789 566 A1 shows a non-generic crane, in which the articulated arm has a fork-shaped receiving portion for the lifting arm.
  • a telescopic arm extends maximally to the articulated connection with a lifting arm.
  • the object of the invention is to provide a generic crane, in which an even greater range is possible.
  • the telescopic arm can be designed to be longer than in the prior art in the retracted state in a direction away from the first end of the articulated arm via the articulated connection with the lifting arm. This results in an increase in the range of a crane according to the invention.
  • the entire articulated arm is available as a receiving area for the telescopic arm, can quite be provided that the articulated arm does not surround the telescopic arm over its entire length.
  • the telescopic arm can pass through the articulated connection in each pivoting state and the telescopic arm can be moved beyond the articulated connection with the lifting arm in each pivoting state in a direction pointing away from the first end of the articulated arm.
  • the forming tube of the articulated arm is formed over its entire length as a receiving area for the telescopic arm.
  • the forming tube of the articulated arm forms a receiving area for the telescopic arm in a direction pointing away from the first end of the articulated arm via the articulated connection with the lifting arm.
  • two articulated cylinders are provided for moving the articulated arm, but in itself a single articulation cylinder can be sufficient.
  • Fig. 1 shows a crane according to the invention in a Z-folded state.
  • a lifting arm 3 On a rotatably mounted on a platform crane column 9, a lifting arm 3 is articulated in a known manner and can be moved over a lifting cylinder 10.
  • the lifting arm 3 has at that end, with which it is not connected to the crane column 9, a fork-shaped receiving portion for an articulated arm 1.
  • the fork-shaped receiving portion is formed by two lateral boundaries 4 in the embodiment shown.
  • the articulated arm 1 is pivotally connected via a arranged in the region of a second end of the articulated arm 1 articulation 8 with the lifting arm 3 and can be moved over two laterally outside the lifting arm 3 and the articulated arm 1 articulated cylinder 6.
  • a distance between a first articulation point 5 of the articulated cylinder 6 on the lifting arm 3 and the articulated connection 8 is greater than a distance between a second articulation point 7 of the articulated cylinder 6 on the articulated arm 1 and the articulated connection.
  • An operating station 11 is folded up to the crane column 9 and can be moved away from it for the purpose of operation.
  • Fig. 2a shows a partial sectional view of the in Fig. 1 shown crane in an unfolded position in which lift arm 3 and articulated arm 1 approximately parallel and offset from each other. It can be seen that in the articulated arm 1, a telescopic arm 2 is mounted and in the retracted state shown extending in a direction away from the first end of the articulated arm 2 direction over the hinge joint 8 with the lifting arm 3 addition (and indeed to the in Fig. 2b exemplified distance d).
  • the telescopic arm 2 can pass through the articulated connection 8, since in this exemplary embodiment it is arranged above the forming tube of the articulated arm 1 on laterally extending extensions (see also the views of FIGS Fig. 2b and 2c ).
  • Fig. 3a and 3b is the articulated connection 8 outside the forming tube of the articulated arm 1, arranged on laterally extending, downwardly extending projections.
  • Fig. 4a and 4b is the hinge 8 in the form of two spaced-apart pivot bearings 81, 82 formed with split bolt.
  • the pivot bearings 81, 82 are arranged laterally on the forming tube of the articulated arm 1, but could of course also as in the Fig. 2 and 3 be shown above or below the forming tube.
  • a telescopic boom 12 is arranged, which is switched on and off via an adjusting cylinder 13 (see. Fig. 2a ).
  • a telescopic boom 12 more telescopic boom (not shown) may be arranged.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

Z-förmig zusammenlegbarer Kran, mit
- einer Kransäule (9)
- einem Hubarm (3), der an einem Ende gelenkig mit der Kransäule (9) verbunden ist und am anderen Ende einen gabelförmigen Aufnahmeabschnitt für einen Knickarm (1) aufweist
- einem Knickarm (1), wobei der Knickarm (1) als Formrohr ausgebildet ist und ein erstes Ende und ein zweites Ende aufweist,
- einer Gelenkverbindung (8), welche den Knickarm (1) gelenkig mit dem Hubarm (3) verbindet, wobei die Gelenkverbindung (8) im Bereich des zweiten Endes des Knickarms (1) angeordnet ist
- einem im Knickarm (1) gelagerten Teleskoparm (2), welcher aus einem eingefahrenen Zustand im Knickarm (1) aus dem ersten Ende des Knickarms (1) ausfahrbar ist,
wobei
- die Gelenkverbindung (8) außerhalb des Formrohrs des Knickarms (1) angeordnet ist, sodass der Teleskoparm (2) die Gelenkverbindung (8) passieren kann und
- sich der Teleskoparm (2) im eingefahrenen Zustand in einer vom ersten Ende des Knickarms (2) weg weisenden Richtung über die Gelenkverbindung (8) mit dem Hubarm (3) hinaus erstreckt.

Figure imgaf001
Z-shaped collapsible crane, with
- a crane column (9)
- A lifting arm (3) which is pivotally connected at one end to the crane column (9) and at the other end a fork-shaped receiving portion for a knuckle (1)
- An articulated arm (1), wherein the articulated arm (1) is formed as a forming tube and having a first end and a second end,
- A hinge connection (8) which articulates the articulated arm (1) with the lifting arm (3), wherein the articulated connection (8) in the region of the second end of the articulated arm (1) is arranged
a telescopic arm (2) mounted in the articulated arm (1), which telescoping arm can be moved out of the first end of the articulated arm (1) from a retracted state in the articulated arm (1),
in which
- The articulated connection (8) outside the forming tube of the articulated arm (1) is arranged, so that the telescopic arm (2) can pass through the articulated connection (8) and
- The telescopic arm (2) in the retracted state in a direction away from the first end of the articulated arm (2) direction over the hinge connection (8) with the lifting arm (3) also extends.
Figure imgaf001

Description

Die Erfindung betrifft einen Kran mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a crane having the features of the preamble of claim 1.

Gattungsgemäße Krane werden auch kurz als Z-Krane bezeichnet. Sie sind bevorzugt auf einem Fahrzeug angeordnet, können jedoch auch stationär angewendet werden. Bei einem Z-Kran sind Kransäule, Hubarm und Knickarm in einer gemeinsamen Ebene angeordnet.Generic cranes are also referred to as Z-cranes for short. They are preferably arranged on a vehicle, but can also be used stationary. In a Z-crane crane column, lift arm and articulated arm are arranged in a common plane.

Der Knickarm weist üblicherweise eine Schnittstelle für ein Werkzeug, ein Hebezeug oder dgl. auf.The articulated arm usually has an interface for a tool, a hoist or the like. On.

Ein gattungsgemäßer Kran geht aus der EP 1 770 050 B1 hervor.A generic crane goes out of the EP 1 770 050 B1 out.

Bei dieser Schrift erstreckt sich der Teleskoparm im eingefahrenen Zustand in einer vom ersten Ende des Knickarms weg weisenden Richtung maximal bis zur Gelenkverbindung mit dem Hubarm. Dadurch ergibt sich eine Verlängerung der Reichweite dieses Krans im Vergleich mit früheren Kranen, bei welchen nur ein geringerer Teil des Knickarms als Aufnahmebereich für den Teleskoparm zur Verfügung stand (vgl. z. B. US 3,032,306 ).In this document, the telescopic arm extends in the retracted state in a direction away from the first end of the articulated arm direction maximum up to the hinge connection with the lifting arm. This results in an extension of the reach of this crane in comparison with previous cranes, in which only a smaller part of the articulated arm as a receiving area for the telescopic arm was available (see, eg. US 3,032,306 ).

Die EP 2 789 566 A1 zeigt einen nicht gattungsgemäßen Kran, bei welchem der Knickarm einen gabelförmigen Aufnahmeabschnitt für den Hubarm aufweist. Ein Teleskoparm erstreckt sich maximal bis zur Gelenkverbindung mit einem Hubarm.The EP 2 789 566 A1 shows a non-generic crane, in which the articulated arm has a fork-shaped receiving portion for the lifting arm. A telescopic arm extends maximally to the articulated connection with a lifting arm.

Aufgabe der Erfindung ist die Bereitstellung eines gattungsgemäßen Krans, bei welchem eine noch größere Reichweite möglich ist.The object of the invention is to provide a generic crane, in which an even greater range is possible.

Diese Aufgabe wird durch einen Kran mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen definiert.This object is achieved by a crane having the features of claim 1. Advantageous embodiments of the invention are defined in the dependent claims.

Bei einem erfindungsgemäßen Kran kann der Teleskoparm um jenen Abschnitt länger als im Stand der Technik ausgestaltet werden, der sich im eingefahrenen Zustand in einer vom ersten Ende des Knickarms weg weisenden Richtung über die Gelenkverbindung mit dem Hubarm hinaus erstreckt. Daraus ergibt sich eine Erhöhung der Reichweite eines erfindungsgemäßen Krans.In a crane according to the invention, the telescopic arm can be designed to be longer than in the prior art in the retracted state in a direction away from the first end of the articulated arm via the articulated connection with the lifting arm. This results in an increase in the range of a crane according to the invention.

Um dies zu ermöglichen, müssen zwei Erfordernisse erfüllt sein:

  • Der gabelförmige Aufnahmeabschnitt muss am Hubarm, nicht am Knickarm angeordnet sein (anders als im nicht gattungsgemäßen Stand der Technik EP 2 789 566 A1 ), damit der Teleskoparm überhaupt bis zur Gelenkverbindung reichen kann.
  • Das Formrohr des Knickarms muss im Bereich der Gelenkverbindung und um das gewünschte Ausmaß darüber hinaus ein Passieren des Teleskoparms gestatten. Im oben zitierten gattungsgemäßen Stand der Technik EP 1 770 050 B1 war dies nicht möglich, da die im Bereich des zweiten Endes des Knickarms angeordnete Gelenkverbindung das Formrohr blockiert hat. Weist die Gelenkverbindung einen durchgehenden Bolzen auf, kann die Gelenkverbindung zum Beispiel oberhalb oder unterhalb des Formrohrs des Knickarms angeordnet sein, um die Passage des Teleskoparms zu gestatten. Ist die Gelenkverbindung in Form zweier voneinander beabstandeter Schwenklager mit geteiltem Bolzen ausgebildet, ist man freier in der Wahl der Anordnung der Gelenkverbindung, denn bei so einer Ausgestaltung ist es möglich, die Schwenklager seitlich am Knickarm anzuordnen, ohne dass die Passage des Teleskoparms behindert wird.
To make this possible, two requirements must be satisfied:
  • The fork-shaped receiving portion must be arranged on the lifting arm, not on the articulated arm (unlike in the non-generic prior art EP 2 789 566 A1 ), so that the telescopic arm can reach to the joint connection.
  • The forming tube of the articulated arm must also allow the telescopic arm to pass in the region of the articulated connection and to the desired extent. In the above cited prior art EP 1 770 050 B1 this was not possible because the articulated connection arranged in the region of the second end of the articulated arm has blocked the forming tube. For example, if the hinge has a continuous bolt, the hinge may be located above or below the forming tube of the articulated arm to allow passage of the telescopic arm. If the articulated connection in the form of two spaced-apart pivot bearing with split bolt, one is free in the choice of the arrangement of the joint, because in such an embodiment, it is possible to arrange the pivot bearing laterally on the articulated arm, without the passage of the telescopic arm is obstructed.

Obwohl bevorzugt vorgesehen ist, dass der gesamte Knickarm als Aufnahmebereich für den Teleskoparm zur Verfügung steht, kann durchaus vorgesehen sein, dass der Knickarm den Teleskoparm nicht über dessen gesamte Länge umschließt.Although it is preferably provided that the entire articulated arm is available as a receiving area for the telescopic arm, can quite be provided that the articulated arm does not surround the telescopic arm over its entire length.

Bevorzugt ist vorgesehen, dass der Teleskoparm die Gelenkverbindung in jedem Schwenkzustand passieren kann und der Teleskoparm in jedem Schwenkzustand in einer vom ersten Ende des Knickarms weg weisenden Richtung über die Gelenkverbindung mit dem Hubarm hinaus bewegbar ist.It is preferably provided that the telescopic arm can pass through the articulated connection in each pivoting state and the telescopic arm can be moved beyond the articulated connection with the lifting arm in each pivoting state in a direction pointing away from the first end of the articulated arm.

Bevorzugt ist vorgesehen, dass das Formrohr des Knickarmes über seine gesamte Länge als Aufnahmebereich für den Teleskoparm ausgebildet ist.It is preferably provided that the forming tube of the articulated arm is formed over its entire length as a receiving area for the telescopic arm.

Bevorzugt ist vorgesehen, dass das Formrohr des Knickarms in einer vom ersten Ende des Knickarms weg weisenden Richtung über die Gelenkverbindung mit dem Hubarm hinaus einen Aufnahmebereich für den Teleskoparm ausbildet.It is preferably provided that the forming tube of the articulated arm forms a receiving area for the telescopic arm in a direction pointing away from the first end of the articulated arm via the articulated connection with the lifting arm.

Bevorzugt sind zwei Knickzylinder zum Bewegen des Knickarms vorgesehen, an sich kann jedoch auch ein einzelner Knickzylinder ausreichen.Preferably, two articulated cylinders are provided for moving the articulated arm, but in itself a single articulation cylinder can be sufficient.

Verschiedene Ausführungsbeispiele der Erfindung werden anhand der Figuren diskutiert. Es zeigen:

Fig. 1
einen erfindungsgemäßen Kran im Z-förmig zusammengelegten Zustand
Fig. 2a-2c
verschiedene Ausschnittsdarstellungen zu einem Ausführungsbeispiel eines erfindungsgemäßen Krans
Fig. 3a, 3b
verschiedene Ausschnittsdarstellungen zu einem weiteren Ausführungsbeispiel eines erfindungsgemäßen Krans
Fig. 4a, 4b
verschiedene Ausschnittsdarstellungen zu einem weiteren Ausführungsbeispiel eines erfindungsgemäßen Krans
Various embodiments of the invention will be discussed with reference to the figures. Show it:
Fig. 1
a crane according to the invention in the Z-shaped folded state
Fig. 2a-2c
different sectional views of an embodiment of a crane according to the invention
Fig. 3a, 3b
different sectional views of a further embodiment of a crane according to the invention
Fig. 4a, 4b
different sectional views of a further embodiment of a crane according to the invention

Fig. 1 zeigt einen erfindungsgemäßen Kran im Z-förmig zusammengelegten Zustand. An einer drehbar auf einer Plattform gelagerten Kransäule 9 ist in bekannter Weise ein Hubarm 3 gelenkig gelagert und kann über einen Hubzylinder 10 bewegt werden. Der Hubarm 3 weist an jenem Ende, mit welchem er nicht mit der Kransäule 9 verbunden ist, einen gabelförmigen Aufnahmeabschnitt für einen Knickarm 1 auf. Der gabelförmige Aufnahmeabschnitt wird im gezeigten Ausführungsbeispiel durch zwei seitliche Begrenzungen 4 gebildet. Der Knickarm 1 ist über eine im Bereich eines zweiten Endes des Knickarms 1 angeordnete Gelenkverbindung 8 gelenkig mit dem Hubarm 3 verbunden und kann über zwei seitlich außen am Hubarm 3 und am Knickarm 1 angeordnete Knickzylinder 6 bewegt werden. Fig. 1 shows a crane according to the invention in a Z-folded state. On a rotatably mounted on a platform crane column 9, a lifting arm 3 is articulated in a known manner and can be moved over a lifting cylinder 10. The lifting arm 3 has at that end, with which it is not connected to the crane column 9, a fork-shaped receiving portion for an articulated arm 1. The fork-shaped receiving portion is formed by two lateral boundaries 4 in the embodiment shown. The articulated arm 1 is pivotally connected via a arranged in the region of a second end of the articulated arm 1 articulation 8 with the lifting arm 3 and can be moved over two laterally outside the lifting arm 3 and the articulated arm 1 articulated cylinder 6.

Bevorzugt ist vorgesehen, dass für beide Knickzylinder 6 ein Abstand zwischen einer ersten Anlenkstelle 5 des Knickzylinders 6 am Hubarm 3 und der Gelenkverbindung 8 größer ist als ein Abstand zwischen einer zweiten Anlenkstelle 7 des Knickzylinders 6 am Knickarm 1 und der Gelenkverbindung 8.It is preferably provided that for both articulated cylinders 6, a distance between a first articulation point 5 of the articulated cylinder 6 on the lifting arm 3 and the articulated connection 8 is greater than a distance between a second articulation point 7 of the articulated cylinder 6 on the articulated arm 1 and the articulated connection.

Ein Bedienstand 11 ist an die Kransäule 9 heran geklappt und kann für die Bedienung von dieser weg bewegt werden.An operating station 11 is folded up to the crane column 9 and can be moved away from it for the purpose of operation.

Fig. 2a zeigt eine teilweise Schnittdarstellung des in Fig. 1 gezeigten Krans in einer auseinander gefalteten Stellung, in welcher Hubarm 3 und Knickarm 1 annähernd parallel und versetzt zueinander verlaufen. Erkennbar ist, dass im Knickarm 1 ein Teleskoparm 2 gelagert ist und sich im gezeigten eingefahrenen Zustand in einer vom ersten Ende des Knickarms 2 weg weisenden Richtung über die Gelenkverbindung 8 mit dem Hubarm 3 hinaus erstreckt (und zwar um die in Fig. 2b beispielhaft eingezeichnete Distanz d). Der Teleskoparm 2 kann die Gelenkverbindung 8 passieren, da diese in diesem Ausführungsbeispiel oberhalb des Formrohres des Knickarms 1, an seitlich angeordneten, nach oben verlaufenden Fortsätzen angeordnet ist (vgl. auch die Ansichten der Fig. 2b und 2c). Fig. 2a shows a partial sectional view of the in Fig. 1 shown crane in an unfolded position in which lift arm 3 and articulated arm 1 approximately parallel and offset from each other. It can be seen that in the articulated arm 1, a telescopic arm 2 is mounted and in the retracted state shown extending in a direction away from the first end of the articulated arm 2 direction over the hinge joint 8 with the lifting arm 3 addition (and indeed to the in Fig. 2b exemplified distance d). The telescopic arm 2 can pass through the articulated connection 8, since in this exemplary embodiment it is arranged above the forming tube of the articulated arm 1 on laterally extending extensions (see also the views of FIGS Fig. 2b and 2c ).

Alternative Anordnungen für die Gelenkverbindung 8 gehen aus den Fig. 3a und 3b bzw. Fig. 4a und 4b hervor.Alternative arrangements for the joint 8 go from the Fig. 3a and 3b respectively. Fig. 4a and 4b out.

Im Ausführungsbeispiel der Fig. 3a und 3b ist die Gelenkverbindung 8 außerhalb des Formrohres des Knickarms 1, an seitlich angeordneten, nach unten verlaufenden Fortsätzen angeordnet.In the embodiment of Fig. 3a and 3b is the articulated connection 8 outside the forming tube of the articulated arm 1, arranged on laterally extending, downwardly extending projections.

Im Ausführungsbeispiel der Fig. 4a und 4b ist die Gelenkverbindung 8 in Form zweier voneinander beabstandeter Schwenklager 81, 82 mit geteiltem Bolzen ausgebildet. Die Schwenklager 81, 82 sind seitlich am Formrohr des Knickarms 1 angeordnet, könnten aber natürlich auch so wie in den Fig. 2 und 3 gezeigt oberhalb oder unterhalb des Formrohres angeordnet sein.In the embodiment of Fig. 4a and 4b is the hinge 8 in the form of two spaced-apart pivot bearings 81, 82 formed with split bolt. The pivot bearings 81, 82 are arranged laterally on the forming tube of the articulated arm 1, but could of course also as in the Fig. 2 and 3 be shown above or below the forming tube.

Im Knickarm 1 ist ein Teleskopausleger 12 angeordnet, der über einen Verstellzylinder 13 ein- und ausfahrbar ist (vgl. Fig. 2a). Im Teleskopausleger 12 können weitere Teleskopausleger (nicht dargestellt) angeordnet sein.In the articulated arm 1, a telescopic boom 12 is arranged, which is switched on and off via an adjusting cylinder 13 (see. Fig. 2a ). In telescopic boom 12 more telescopic boom (not shown) may be arranged.

Anders als in den Figuren dargestellt, muss bzw. müssen die zweite(n) Anlenkstelle(n) 7 des bzw. der Knickzylinder(s) 6 nicht unbedingt seitlich am Knickarm 1 angeordnet sein. Denkbar wäre auch eine Anordnung oberhalb oder unterhalb des Knickarms 1. In diesem Falle könnte auch eine gemeinsame Anlenkstelle für beide Knickzylinder 6 vorgesehen sein.Unlike shown in the figures, must or must the second (n) articulation point (s) 7 of the or the buckling cylinder (s) 6 is not necessarily arranged laterally on the articulated arm 1. An arrangement above or below the articulated arm 1 would also be conceivable. In this case, a common articulation point could also be provided for both articulated cylinders 6.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Knickarmarticulated
22
Teleskoparmtelescopic arm
33
Hubarmlifting arm
44
seitliche Begrenzung des gabelförmigen Aufnahmeabschnitts für Knickarmlateral boundary of the fork-shaped receiving portion for articulated arm
55
erste Anlenkstelle des Knickzylindersfirst articulation point of the articulated cylinder
66
Knickzylinderstick cylinder
77
zweite Anlenkstelle des Knickzylinderssecond articulation point of the articulated cylinder
88th
Gelenkverbindungarticulation
99
KransäuleKransäule
1010
Hubzylinderlifting cylinder
1111
Bedienstandoperating platform
1212
Teleskopauslegertelescopic boom
1313
Verstellzylinderadjusting cylinder

Claims (11)

Z-förmig zusammenlegbarer Kran, mit - einer Kransäule (9) - einem Hubarm (3), der an einem Ende gelenkig mit der Kransäule (9) verbunden ist und am anderen Ende einen gabelförmigen Aufnahmeabschnitt für einen Knickarm (1) aufweist - einem Knickarm (1), wobei der Knickarm (1) als Formrohr ausgebildet ist und ein erstes Ende und ein zweites Ende aufweist, - einer Gelenkverbindung (8), welche den Knickarm (1) gelenkig mit dem Hubarm (3) verbindet, wobei die Gelenkverbindung (8) im Bereich des zweiten Endes des Knickarms (1) angeordnet ist - einem im Knickarm (1) gelagerten Teleskoparm (2), welcher aus einem eingefahrenen Zustand im Knickarm (1) aus dem ersten Ende des Knickarms (1) ausfahrbar ist dadurch gekennzeichnet, dass - die Gelenkverbindung (8) außerhalb des Formrohrs des Knickarms (1) angeordnet ist, sodass der Teleskoparm (2) die Gelenkverbindung (8) passieren kann und dass - sich der Teleskoparm (2) im eingefahrenen Zustand in einer vom ersten Ende des Knickarms (2) weg weisenden Richtung über die Gelenkverbindung (8) mit dem Hubarm (3) hinaus erstreckt. Z-shaped collapsible crane, with - a crane column (9) - A lifting arm (3) which is pivotally connected at one end to the crane column (9) and at the other end a fork-shaped receiving portion for a knuckle (1) - An articulated arm (1), wherein the articulated arm (1) is formed as a forming tube and having a first end and a second end, - A hinge connection (8) which articulates the articulated arm (1) with the lifting arm (3), wherein the articulated connection (8) in the region of the second end of the articulated arm (1) is arranged - One in the articulated arm (1) mounted telescopic arm (2), which from a retracted state in the articulated arm (1) from the first end of the articulated arm (1) is extendable characterized in that - The articulated connection (8) outside the forming tube of the articulated arm (1) is arranged, so that the telescopic arm (2) can pass through the articulated connection (8) and that - The telescopic arm (2) in the retracted state in a direction away from the first end of the articulated arm (2) direction over the hinge connection (8) with the lifting arm (3) also extends. Kran nach Anspruch 1, wobei die Gelenkverbindung (8) oberhalb oder unterhalb des Formrohrs des Knickarms (1) angeordnet ist.Crane according to claim 1, wherein the articulated connection (8) is arranged above or below the forming tube of the articulated arm (1). Kran nach wenigstens einem der vorangehenden Ansprüche, wobei die Gelenkverbindung (8) in Form zweier voneinander beabstandeter Schwenklager (81, 82) mit geteiltem Bolzen ausgebildet ist.Crane according to at least one of the preceding claims, wherein the articulated connection (8) in the form of two spaced-apart pivot bearings (81, 82) is formed with split bolts. Kran nach dem vorangehenden Anspruch, wobei die Schwenklager (81, 82) seitlich am Knickarm (1) angeordnet sind.Crane according to the preceding claim, wherein the pivot bearings (81, 82) are arranged laterally on the articulated arm (1). Kran nach wenigstens einem der vorangehenden Ansprüche, wobei zumindest ein Knickzylinder (6) vorgesehen ist und ein Abstand zwischen einer ersten Anlenkstelle (5) des Knickzylinders (6) am Hubarm (3) und der Gelenkverbindung (8) größer ist als ein Abstand zwischen einer zweiten Anlenkstelle (7) des Knickzylinders (6) am Knickarm (1) und der Gelenkverbindung (8).Crane according to at least one of the preceding claims, wherein at least one articulation cylinder (6) is provided and a distance between a first articulation point (5) of the articulated cylinder (6) on the lifting arm (3) and the articulated connection (8) is greater than a distance between a second articulation point (7) of the articulated cylinder (6) on the articulated arm (1) and the articulated connection (8). Kran nach wenigstens einem der vorangehenden Ansprüche, wobei zumindest ein seitlich außen am Hubarm (3) und am Knickarm (1) an einer ersten und einer zweiten Anlenkstelle (5, 7) angelenkter Knickzylinder (6) vorgesehen ist.Crane according to at least one of the preceding claims, wherein at least one laterally outside of the lifting arm (3) and on the articulated arm (1) at a first and a second articulation point (5, 7) hinged articulated cylinder (6) is provided. Kran nach wenigstens einem der vorangehenden Ansprüche, wobei im Teleskoparm (2) wenigstens ein Teleskopausleger (12) ausfahrbar gelagert ist.Crane according to at least one of the preceding claims, wherein in the telescopic arm (2) at least one telescopic boom (12) is mounted extendable. Kran nach wenigstens einem der vorangehenden Ansprüche, wobei ein Schwenkbereich zwischen Hubarm (3) und Knickarm (1) größer als 180°, vorzugsweise größer als 230°, ist.Crane according to at least one of the preceding claims, wherein a pivoting range between the lifting arm (3) and articulated arm (1) is greater than 180 °, preferably greater than 230 °. Kran nach wenigstens einem der vorangehenden Ansprüche, wobei der Teleskoparm (2) die Gelenkverbindung (8) in jedem Schwenkzustand passieren kann und der Teleskoparm (2) in jedem Schwenkzustand in einer vom ersten Ende des Knickarms (1) weg weisenden Richtung über die Gelenkverbindung (8) mit dem Hubarm (3) hinaus bewegbar ist.Crane according to at least one of the preceding claims, wherein the telescopic arm (2) can pass the articulated connection (8) in each pivoting state and the telescopic arm (2) in each pivoting state in a direction away from the first end of the articulated arm (1) via the articulated connection ( 8) with the lifting arm (3) is also movable. Kran nach wenigstens einem der vorangehenden Ansprüche, wobei das Formrohr des Knickarmes (1) im eingefahrenen Zustand des Teleskoparmes (2) diesen über seine gesamte Länge aufnimmt.Crane according to at least one of the preceding claims, wherein the forming tube of the articulated arm (1) in the retracted state of the telescopic arm (2) receives this over its entire length. Kran nach wenigstens einem der vorangehenden Ansprüche, wobei das Formrohr des Knickarms (1) in einer vom ersten Ende des Knickarms (2) weg weisenden Richtung über die Gelenkverbindung (8) mit dem Hubarm (3) hinaus einen Aufnahmebereich für den Teleskoparm (2) ausbildet.Crane according to at least one of the preceding claims, wherein the forming tube of the articulated arm (1) in a direction away from the first end of the articulated arm (2) via the articulated connection (8) with the lifting arm (3) has a receiving area for the telescopic arm (2). formed.
EP16171100.7A 2016-05-24 2016-05-24 Z-shaped foldable crane Active EP3248928B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES16171100T ES2710507T3 (en) 2016-05-24 2016-05-24 Z-shaped folding crane
EP16171100.7A EP3248928B1 (en) 2016-05-24 2016-05-24 Z-shaped foldable crane
PL16171100T PL3248928T3 (en) 2016-05-24 2016-05-24 Z-shaped foldable crane
SI201630174T SI3248928T1 (en) 2016-05-24 2016-05-24 Z-shaped foldable crane
JP2017100633A JP6538752B2 (en) 2016-05-24 2017-05-22 Crane foldable to Z shape
BR102017010652-7A BR102017010652B1 (en) 2016-05-24 2017-05-22 Z-SHAPED FOLDING CRANE
RU2017117577A RU2656803C1 (en) 2016-05-24 2017-05-22 Z-shape buildable crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16171100.7A EP3248928B1 (en) 2016-05-24 2016-05-24 Z-shaped foldable crane

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EP3248928A1 true EP3248928A1 (en) 2017-11-29
EP3248928B1 EP3248928B1 (en) 2018-11-07

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JP (1) JP6538752B2 (en)
BR (1) BR102017010652B1 (en)
ES (1) ES2710507T3 (en)
PL (1) PL3248928T3 (en)
RU (1) RU2656803C1 (en)
SI (1) SI3248928T1 (en)

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SI25474A (en) * 2017-07-03 2019-01-31 Tajfun Liv, Proizvodnja In Razvoj D.O.O. Crane or similar manupulating apparatus with integrated assembly for overcoming each dead position between primary and secondary part of its operational arm

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US3032306A (en) 1960-06-20 1962-05-01 Ronald D Yaw Stand for ash tray
EP1770050B1 (en) 2005-09-29 2009-12-23 Steindl Krantechnik Ges.m.b.H Foldable crane
DE202009013049U1 (en) * 2009-10-06 2010-01-07 Pfanzelt-Maschinenbau Gmbh mobile crane
EP2789566A1 (en) 2013-04-11 2014-10-15 HMF Group A/S Foldable crane

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JPS6038831U (en) * 1983-08-25 1985-03-18 セイレイ工業株式会社 Crawler vehicle winch device
JPS61193988U (en) * 1985-05-24 1986-12-03
JPH0175091U (en) * 1987-11-09 1989-05-22
JPH0353987U (en) * 1989-09-29 1991-05-24
SE470437B (en) * 1992-08-04 1994-03-07 Hiab Ab Rocker arm crane with linkage device that switches the waypoint between the work area and the parking position
US6267200B1 (en) * 1998-11-02 2001-07-31 Grove U.S. Llc Lift apparatus with floating lift cylinder attachment
RU2167803C2 (en) * 1999-01-05 2001-05-27 ЗАО "НК Уралтерминалмаш" Crane-manipulator set
RU2354603C1 (en) * 2007-10-04 2009-05-10 Вадим Олегович Богданов Crane-manipulator plant

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032306A (en) 1960-06-20 1962-05-01 Ronald D Yaw Stand for ash tray
EP1770050B1 (en) 2005-09-29 2009-12-23 Steindl Krantechnik Ges.m.b.H Foldable crane
DE202009013049U1 (en) * 2009-10-06 2010-01-07 Pfanzelt-Maschinenbau Gmbh mobile crane
EP2789566A1 (en) 2013-04-11 2014-10-15 HMF Group A/S Foldable crane

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BR102017010652A2 (en) 2017-12-12
JP6538752B2 (en) 2019-07-03
RU2656803C1 (en) 2018-06-06
EP3248928B1 (en) 2018-11-07
BR102017010652B1 (en) 2023-01-10
ES2710507T3 (en) 2019-04-25
SI3248928T1 (en) 2019-03-29
PL3248928T3 (en) 2019-07-31
JP2017210373A (en) 2017-11-30

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