EP2570379B1 - Swivel joint assembly - Google Patents

Swivel joint assembly Download PDF

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Publication number
EP2570379B1
EP2570379B1 EP11007519.9A EP11007519A EP2570379B1 EP 2570379 B1 EP2570379 B1 EP 2570379B1 EP 11007519 A EP11007519 A EP 11007519A EP 2570379 B1 EP2570379 B1 EP 2570379B1
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EP
European Patent Office
Prior art keywords
disc
brake elements
pivot joint
pivot
brake
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.)
Active
Application number
EP11007519.9A
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German (de)
French (fr)
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EP2570379A1 (en
Inventor
Johannes Steindl
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
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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
Application filed by Epsilon Kran GmbH filed Critical Epsilon Kran GmbH
Priority to EP11007519.9A priority Critical patent/EP2570379B1/en
Priority to PL11007519T priority patent/PL2570379T3/en
Priority to US13/613,165 priority patent/US20130071173A1/en
Priority to CA2790074A priority patent/CA2790074A1/en
Priority to RU2012139641/11A priority patent/RU2519796C2/en
Priority to CN2012103400702A priority patent/CN102992205A/en
Priority to ZA2012/06932A priority patent/ZA201206932B/en
Priority to BR102012023225-1A priority patent/BR102012023225B1/en
Publication of EP2570379A1 publication Critical patent/EP2570379A1/en
Application granted granted Critical
Publication of EP2570379B1 publication Critical patent/EP2570379B1/en
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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
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/005—Grab supports, e.g. articulations; Oscillation dampers; Orientation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/58—Gripping members engaging only the external or internal surfaces of the articles and deforming the articles, e.g. by using gripping members such as tongs or grapples
    • B66C1/585—Log grapples
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y10T403/32319—At selected angle including pivot stud

Definitions

  • the present invention relates to a hinge assembly for a crane arm with a mounting device for tools, with the features of the preamble of claim 1, a crane with such a hinge assembly and a vehicle with such a crane.
  • a hinge assembly is for example from the EP 1 551 748 B1 out.
  • the rotary joint arrangement shown there has a pendulum brake, with a total of three brake discs of which two brake discs are rotatably connected to that part of the rotary joint assembly on which also those tabs are arranged, which are connectable to the fastening device (in the position of use lower tabs).
  • a further disk-shaped brake element is provided, which is non-rotatably connected to that part of the rotary joint arrangement with which those tabs are connected, which in turn are in communication with the crane arm (in use position upper flaps).
  • the disc-shaped brake elements are placed in the region between the pivot bearings spaced from each other.
  • a non-generic hinge assembly is sold by Black Bruin.
  • This hinge assembly has only a single pivot bearing, with two spaced-apart tabs, which are connected to the crane arm (in the use position upper flaps) and a between the tabs rotationally fixed to these arranged bearing pin, on which the fastening device is suspended pendulum via a pendulum eye.
  • the space between the two tabs is thus completely filled by the bearing pin and the corresponding shuttle.
  • a pendulum brake is mounted, with a plurality of disc-shaped brake elements, of which a part at its outer peripheral edge has an outer toothing and the other part at its inner peripheral edge has an internal toothing.
  • the bearing pin has a complementary toothing, via which that part of the disk-shaped brake elements, which has an internal toothing, can be fastened.
  • the other part of the disc-shaped brake elements is held by a mounted on an attached ring internal teeth.
  • a generic hinge assembly goes out of the US 4,335,914 A out.
  • the lid (reference numerals 60 and 80) is formed in several parts and carries a part of the disc-shaped brake elements.
  • the object of the invention is to develop a generic hinge assembly, a crane and a vehicle with a crane such that the pendulum brake has a smaller footprint.
  • a hinge assembly with the features of claim 1, a crane with such a hinge assembly and a vehicle with such a crane.
  • the bearing pin is an important part of the pendulum brake, since a part of the disc-shaped brake elements is attached to it.
  • this part of disc-shaped brake elements of the plurality of disk-shaped brake elements is positively connected via a profile, so easily detachable, connected to the bearing pin, it is still possible to perform a replacement of the disc-shaped brake elements relatively easily.
  • FIGS. 1 and 2 in each case a separate embodiment of the invention, in each case in a plan view along an axis perpendicular to the axis of rotation of the hinge assembly ( Figures a), an enlarged detail with a sectional view ( Figures b) and a Exploded view ( Figure c).
  • the FIG. 3 shows a perspective view of a crane arm with a pivot assembly according to the invention.
  • the FIG. 4 shows the arrangement of FIG. 3 with attached implement in the form of a forestry processor.
  • FIG. 1 a shows a rotary joint arrangement with a rotary joint 3, which has along its axis of rotation x two spaced rotary bearings 4, 5 (extension in each case L along the axis of rotation x).
  • Each of the two pivot bearings 4, 5 in this case has a (in use position upper) tab 7, which is connected to the end of the crane arm 1 and a (lower position in use) tab 6, which with a fastening device 2 for a not shown working device (see Figure 6) is connected.
  • FIG. 1b shows, with the tab 6, a bearing pin 8 rotatably on a screw ring (see FIG. 1c) connected.
  • bearing ring would be located in the annular recess 17 which extends between the lid 18 and the tab 6) of the bearing pin 8 is mounted in the tab 7.
  • more sliding surfaces 16 are provided to reduce friction.
  • a commuting of the fastening device 2 and thus a working device arranged thereon on the crane arm 1 is prevented or damped by the pendulum brake 9.
  • the pendulum brake 9 has a plurality 10, 11 of disc-shaped brake elements, wherein an adjustable clamping device is provided, with which the plurality 10, 11 of disc-shaped brake elements are pressed together with an adjustable pressing force.
  • the clamping device has in the illustrated embodiment, a plurality of disk springs 12 and a screw mechanism 13 for compressing the plurality 12 of disc springs.
  • the disc springs could In principle, other mechanical (for example, helical springs) or even hydraulic tensioning elements may be provided in all embodiments.
  • the bearing pin 8 has an axial recess 15. In this recess 15, both the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs and the screw mechanism 13 are arranged.
  • the contact pressure of the plurality 12 of disc springs is transmitted via an intermediate ring 20 to the plurality 10, 11 of disc-shaped brake elements.
  • the plurality 10, 11 of disc-shaped brake elements is in the FIG. 1b left side supported by a limiting ring 19 on the lid 18.
  • a part 10 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements at its outer peripheral edge has an external toothing and a second part 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements at its inner peripheral edge having an internal toothing.
  • a disk-shaped brake element with external toothing and a disc-shaped brake element with internal toothing always alternate
  • a brake pad is arranged on a part 10, 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements.
  • the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs are arranged in alignment with respect to the axis of rotation x in succession.
  • the first part 10 of disc-shaped brake elements of the plurality 10, 11 of disk-shaped brake elements on the outer teeth is mounted on a bearing pin 8 arranged complementary toothing 10 'to this.
  • the bearing pin 8 itself has the complementary teeth 10 '. It would be sufficient if a part connected to the bearing bolt 8 has the corresponding complementary toothing 10 '.
  • the complementary toothing 11 'for the second part 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements is on the lid 18 (in Figure 1c not recognizable).
  • FIG. 2 In the version of FIG. 2 is a particularly space-saving building pendulum brake 9 shown.
  • the bearing pin 8 in turn has a recess 15 in which both the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs are arranged.
  • the plurality 10, 11 of disc-shaped brake elements in turn a recess 14, wherein the plurality is arranged 12 of disc springs within this recess 14.
  • the plurality 12 of disc springs is arranged in the cup-shaped member 20, which belongs to the clamping device. Both the plurality 10.11 of disc-shaped brake elements and the plurality 12 of disc springs are located in the pivot bearing 5 (area L).
  • the pendulum brake 9 could also be arranged at the pivot 21.
  • FIG. 3 shows a crane arm 1 with a hinge assembly according to the invention.
  • FIG. 4 is again the arrangement of FIG. 3 illustrated, however, with a fixed to the fastening device 2 working device in the form of a forestry processor (this is shown only by way of example, of course, other tools could be provided).

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

Description

Die vorliegende Erfindung betrifft eine Drehgelenkanordnung für einen Kranarm mit einer Befestigungsvorrichtung für Arbeitsgeräte, mit den Merkmalen des Oberbegriffs des Anspruchs 1, einen Kran mit einer solchen Drehgelenkanordnung und ein Fahrzeug mit einem solchen Kran.The present invention relates to a hinge assembly for a crane arm with a mounting device for tools, with the features of the preamble of claim 1, a crane with such a hinge assembly and a vehicle with such a crane.

Eine Drehgelenkanordnung geht beispielsweise aus der EP 1 551 748 B1 hervor. Die dort gezeigte Drehgelenkanordnung weist eine Pendelbremse auf, mit insgesamt drei Bremsscheiben von denen zwei Bremsscheiben drehfest mit jenem Teil der Drehgelenkanordnung verbunden sind, an welchem auch jene Laschen angeordnet sind, welche mit der Befestigungsvorrichtung verbindbar sind (in Gebrauchslage untere Laschen). Außerdem ist ein weiteres scheibenförmiges Bremselement vorgesehen, das drehfest mit jenem Teil der Drehgelenkanordnung verbunden ist, mit welchem auch jene Laschen verbunden sind, welche ihrerseits mit dem Kranarm in Verbindung stehen (in Gebrauchslage obere Laschen). Die scheibenförmigen Bremselemente sind im Bereich zwischen den beabstandet voneinander angeordneten Drehlagern platziert.A hinge assembly is for example from the EP 1 551 748 B1 out. The rotary joint arrangement shown there has a pendulum brake, with a total of three brake discs of which two brake discs are rotatably connected to that part of the rotary joint assembly on which also those tabs are arranged, which are connectable to the fastening device (in the position of use lower tabs). In addition, a further disk-shaped brake element is provided, which is non-rotatably connected to that part of the rotary joint arrangement with which those tabs are connected, which in turn are in communication with the crane arm (in use position upper flaps). The disc-shaped brake elements are placed in the region between the pivot bearings spaced from each other.

Gemäß der Lehre der EP 1 551 748 B1 (Absatz 11) ist es von Bedeutung, dass die Pendelbremse unabhängig von den eigentlichen Drehlagern ausgebildet ist, damit die scheibenförmigen Bremselemente leicht ersetzt werden können.According to the teaching of EP 1 551 748 B1 (Paragraph 11), it is important that the pendulum brake is independent of the actual pivot bearings, so that the disc-shaped brake elements can be easily replaced.

Nachteilig an diesem Stand der Technik ist, dass die dort gelehrten scheibenförmigen Bremselemente relativ groß bauen, weswegen sie im Bereich zwischen den beiden Drehlagern angeordnet werden müssen, da nur dort genügend Bauhöhe zur Verfügung steht.A disadvantage of this prior art is that the disc-shaped brake elements taught there are relatively large, which is why they have to be arranged in the region between the two pivot bearings, since only there is sufficient overall height available.

Eine nicht gattungsgemäße Drehgelenkanordnung wird von der Firma Black Bruin verkauft. Diese Drehgelenkanordnung weist nur ein einziges Drehlager auf, mit zwei beabstandet voneinander angeordneten Laschen, die mit dem Kranarm verbunden sind (in Gebrauchslage obere Laschen) und einem zwischen den Laschen drehfest zu diesen angeordneten Lagerbolzen, an welchem die Befestigungsvorrichtung über eine Pendelöse pendelnd aufgehängt ist. Der Raum zwischen den beiden Laschen wird also vollständig vom Lagerbolzen und der entsprechenden Pendelöse ausgefüllt. Auf der Außenseite der Drehgelenkanordnung ist eine Pendelbremse befestigt, mit einer Mehrzahl von scheibenförmigen Bremselementen, von denen ein Teil an ihrem äußerem Umfangsrand eine Außenverzahnung und der andere Teil an ihrem inneren Umfangsrand eine Innenverzahnung aufweist. Der Lagerbolzen weist eine komplementäre Verzahnung auf, über welche jener Teil der scheibenförmigen Bremselemente, welcher eine Innenverzahnung aufweist, befestigbar ist. Der andere Teil der scheibenförmigen Bremselemente wird von einer an einem angebauten Ring angeordneten Innenverzahnung gehalten.A non-generic hinge assembly is sold by Black Bruin. This hinge assembly has only a single pivot bearing, with two spaced-apart tabs, which are connected to the crane arm (in the use position upper flaps) and a between the tabs rotationally fixed to these arranged bearing pin, on which the fastening device is suspended pendulum via a pendulum eye. The space between the two tabs is thus completely filled by the bearing pin and the corresponding shuttle. On the outside of the hinge assembly, a pendulum brake is mounted, with a plurality of disc-shaped brake elements, of which a part at its outer peripheral edge has an outer toothing and the other part at its inner peripheral edge has an internal toothing. The bearing pin has a complementary toothing, via which that part of the disk-shaped brake elements, which has an internal toothing, can be fastened. The other part of the disc-shaped brake elements is held by a mounted on an attached ring internal teeth.

Eine gattungsgemäße Drehgelenkanordnung geht aus der US 4,335,914 A hervor. Der Deckel (Bezugszeichen 60 und 80) ist mehrteilig ausgebildet und trägt einen Teil der scheibenförmigen Bremselemente.A generic hinge assembly goes out of the US 4,335,914 A out. The lid (reference numerals 60 and 80) is formed in several parts and carries a part of the disc-shaped brake elements.

Aufgabe der Erfindung ist es, eine gattungsgemäße Drehgelenkanordnung, einen Kran und ein Fahrzeug mit einem Kran derart weiterzubilden, dass die Pendelbremse einen geringeren Platzbedarf aufweist.The object of the invention is to develop a generic hinge assembly, a crane and a vehicle with a crane such that the pendulum brake has a smaller footprint.

Diese Aufgabe wird durch eine Drehgelenkanordnung mit den Merkmalen des Anspruchs 1, einen Kran mit einer solchen Drehgelenkanordnung und ein Fahrzeug mit einem solchen Kran gelöst.This object is achieved by a hinge assembly with the features of claim 1, a crane with such a hinge assembly and a vehicle with such a crane.

Entgegensetzt zur Lehre der EP 1 551 748 B1 stellt also der Lagerbolzen einen wichtigen Bestandteil der Pendelbremse dar, da an ihm ein Teil der scheibenförmigen Bremselemente befestigt ist. Da aber dieser Teil von scheibenförmigen Bremselementen der Mehrzahl von scheibenförmigen Bremselementen nur über ein Profil formschlüssig, also leicht lösbar, mit dem Lagerbolzen verbunden ist, ist es dennoch möglich, einen Austausch der scheibenförmigen Bremselemente relativ problemlos durchzuführen. Gegenüber dem Stand der Technik ergibt sich vor allem der Vorteil eines sehr geringen Raumbedarfes. Dies ermöglicht es zum Beispiel - so wie in der EP 1 889 808 B1 der Anmelderin - Schlauchleitungen, die vom Kranarm zu Anschlüssen an der Befestigungsvorrichtung oder am Arbeitsgerät führen, geschützt zwischen den Drehlagern zu führen.Opposed to the doctrine of EP 1 551 748 B1 Thus, the bearing pin is an important part of the pendulum brake, since a part of the disc-shaped brake elements is attached to it. However, since this part of disc-shaped brake elements of the plurality of disk-shaped brake elements is positively connected via a profile, so easily detachable, connected to the bearing pin, it is still possible to perform a replacement of the disc-shaped brake elements relatively easily. Compared to the prior art, there is above all the advantage of a very small space requirement. This makes it possible, for example - as in the EP 1 889 808 B1 by the applicant - Keep hoses leading from the crane arm to connections on the fastening device or implement protected between the pivot bearings.

Weitere vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen definiert.Further advantageous embodiments of the invention are defined in the dependent claims.

Besonders hervorzuheben sind zwei Ausführungen:

  • Die Mehrzahl von scheibenförmigen Bremselementen ist gemäß der Erfindung zumindest teilweise, vorzugsweise vollständig, im Drehlager angeordnet.
  • Die Mehrzahl von scheibenförmigen Bremselementen und die Mehrzahl an Tellerfedern kann entlang einer gemeinsamen Achse (vorzugsweise die Drehachse des Drehgelenks) - sozusagen in einer Flucht - angeordnet sein (bei jenen Ausführungsbeispielen mit Tellerfedern möglich).
Particularly noteworthy are two versions:
  • The plurality of disc-shaped brake elements is according to the invention at least partially, preferably completely, arranged in the pivot bearing.
  • The plurality of disc-shaped brake elements and the plurality of disc springs can along a common axis (preferably the axis of rotation of the rotary joint) - so to speak in alignment - be arranged (in those embodiments with disc springs possible).

Die Erfindung sei im Folgenden anhand verschiedener Ausführungsbeispiele exemplarisch dargelegt. Der Einfachheit halber sind alle nachstehenden Ausführungsbeispiele mit formschlüssigen Profilen in Form von Verzahnungen diskutiert. Jedes Außen- bzw. Innenprofil (und die jeweiligen komplementären Profile), welches eine formschlüssige Befestigung gestattet (neben der Verzahnung zum Beispiel auch ein Mehrkantprofil) wäre einsetzbar.The invention will be exemplified below with reference to various embodiments. For simplicity, all the following embodiments are discussed with positive profiles in the form of gears. Each outer or inner profile (and the respective complementary profiles), which allows a positive fastening (in addition to the teeth, for example, a polygonal profile) would be used.

Dabei zeigen die Figuren 1 und 2 jeweils ein gesondertes Ausführungsbeispiel der Erfindung und zwar jeweils in einer Draufsicht entlang einer Achse rechtwinkelig zur Drehachse der Drehgelenkanordnung (Figuren a), einer Ausschnittsvergrößerung mit einer Schnittdarstellung (Figuren b) sowie einer Explosionsdarstellung (Figuren c). Die Figur 3 zeigt eine perspektivische Ansicht eines Kranarms mit einer erfindungsgemäßen Drehgelenkanordnung. Die Figur 4 zeigt die Anordnung der Figur 3 mit daran befestigtem Arbeitsgerät in Form eines forstwirtschaftlichen Prozessors.The show FIGS. 1 and 2 in each case a separate embodiment of the invention, in each case in a plan view along an axis perpendicular to the axis of rotation of the hinge assembly (Figures a), an enlarged detail with a sectional view (Figures b) and a Exploded view (Figure c). The FIG. 3 shows a perspective view of a crane arm with a pivot assembly according to the invention. The FIG. 4 shows the arrangement of FIG. 3 with attached implement in the form of a forestry processor.

Die Figur 1 a zeigt eine Drehgelenkanordnung mit einem Drehgelenk 3, welches entlang seiner Drehachse x zwei beabstandete Drehlager 4, 5 (Erstreckung jeweils L entlang der Drehachse x) aufweist. Jedes der beiden Drehlager 4, 5 weist dabei eine (in Gebrauchslage obere) Lasche 7 auf, die mit dem Endstück des Kranarms 1 verbunden ist sowie eine (in Gebrauchslage untere) Lasche 6, welche mit einer Befestigungsvorrichtung 2 für ein nicht dargestelltes Arbeitsgerät (siehe Figur 6) verbunden ist.The FIG. 1 a shows a rotary joint arrangement with a rotary joint 3, which has along its axis of rotation x two spaced rotary bearings 4, 5 (extension in each case L along the axis of rotation x). Each of the two pivot bearings 4, 5 in this case has a (in use position upper) tab 7, which is connected to the end of the crane arm 1 and a (lower position in use) tab 6, which with a fastening device 2 for a not shown working device (see Figure 6) is connected.

Wie insbesondere aus der Figur 1b hervorgeht, ist mit der Lasche 6 ein Lagerbolzen 8 drehfest über einen Schraubenkranz (siehe Figur 1 c) verbunden. Über einen in Figur 1b aus Gründen der Übersichtlichkeit nicht dargestellten Lagerring (würde sich in der ringförmigen Ausnehmung 17 befinden, die sich zwischen dem Deckel 18 und der Lasche 6 erstreckt) ist der Lagerbolzen 8 in der Lasche 7 gelagert. Zwischen den Laschen 6, 7 sind weitere Gleitflächen 16 zur Verminderung der Reibung vorgesehen.As in particular from the FIG. 1b shows, with the tab 6, a bearing pin 8 rotatably on a screw ring (see FIG. 1c) connected. About one in FIG. 1b for reasons of clarity not shown bearing ring (would be located in the annular recess 17 which extends between the lid 18 and the tab 6) of the bearing pin 8 is mounted in the tab 7. Between the tabs 6, 7 more sliding surfaces 16 are provided to reduce friction.

Ein Pendeln der Befestigungsvorrichtung 2 und damit eines daran angeordneten Arbeitsgerätes am Kranarm 1, wird durch die Pendelbremse 9 verhindert bzw. gedämpft.A commuting of the fastening device 2 and thus a working device arranged thereon on the crane arm 1 is prevented or damped by the pendulum brake 9.

Die Pendelbremse 9 weist eine Mehrzahl 10, 11 von scheibenförmigen Bremselementen auf, wobei eine einstellbare Spannvorrichtung vorgesehen ist, mit welcher die Mehrzahl 10, 11 von scheibenförmigen Bremselementen mit einer einstellbaren Presskraft zusammengepresst werden. Die Spannvorrichtung weist im gezeigten Ausführungsbeispiel eine Mehrzahl 12 von Tellerfedern und einen Schraubmechanismus 13 zum Zusammenpressen der Mehrzahl 12 von Tellerfedern auf. Anstelle der Tellerfedern könnten grundsätzlich bei allen Ausführungsbeispielen auch andere mechanische (zum Beispiel Schraubenfedern) oder sogar hydraulische Spannelemente vorgesehen sein.The pendulum brake 9 has a plurality 10, 11 of disc-shaped brake elements, wherein an adjustable clamping device is provided, with which the plurality 10, 11 of disc-shaped brake elements are pressed together with an adjustable pressing force. The clamping device has in the illustrated embodiment, a plurality of disk springs 12 and a screw mechanism 13 for compressing the plurality 12 of disc springs. Instead of the disc springs could In principle, other mechanical (for example, helical springs) or even hydraulic tensioning elements may be provided in all embodiments.

Im gezeigten Ausführungsbeispiel weist der Lagerbolzen 8 eine axiale Ausnehmung 15 auf. In dieser Ausnehmung 15 sind sowohl die Mehrzahl 10, 11 von scheibenförmigen Bremselementen als auch die Mehrzahl 12 von Tellerfedern sowie der Schraubmechanismus 13 angeordnet.In the illustrated embodiment, the bearing pin 8 has an axial recess 15. In this recess 15, both the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs and the screw mechanism 13 are arranged.

Da sich das Drehlager 5 zwischen dem in Figur 1b linken Ende der Lasche 7 und dem rechten Ende der Lasche 6 erstreckt (Bereich L), ist erkennbar, dass die Mehrzahl 10, 11 von scheibenförmigen Bremselementen vollständig innerhalb des Drehlagers 5 angeordnet ist. Die Mehrzahl 12 von Tellerfedern sowie der Schraubmechanismus 13 sind größtenteils außerhalb des Drehlagers 5 angeordnet.Since the pivot bearing 5 between the in FIG. 1b left end of the tab 7 and the right end of the tab 6 extends (area L), it can be seen that the plurality 10, 11 of disk-shaped brake elements is disposed entirely within the pivot bearing 5. The plurality 12 of disc springs and the screw mechanism 13 are mostly located outside of the pivot bearing 5.

Die Anpresskraft der Mehrzahl 12 von Tellerfedern wird über einen Zwischenring 20 auf die Mehrzahl 10, 11 von scheibenförmigen Bremselementen übertragen. Die Mehrzahl 10, 11 von scheibenförmigen Bremselementen ist dabei in der Figur 1b linken Seite über einen Begrenzungsring 19 am Deckel 18 abgestützt.The contact pressure of the plurality 12 of disc springs is transmitted via an intermediate ring 20 to the plurality 10, 11 of disc-shaped brake elements. The plurality 10, 11 of disc-shaped brake elements is in the FIG. 1b left side supported by a limiting ring 19 on the lid 18.

In allen gezeigten Ausführungsbeispielen ist stets vorgesehen, dass ein Teil 10 von scheibenförmigen Bremselementen der Mehrzahl 10, 11 von scheibenförmigen Bremselementen an ihrem äußeren Umfangsrand eine Außenverzahnung aufweist und ein zweiter Teil 11 von scheibenförmigen Bremselementen der Mehrzahl 10, 11 von scheibenförmigen Bremselementen an ihrem inneren Umfangsrand eine Innenverzahnung aufweist. In axialer Richtung betrachtet, wechseln sich dabei stets ein scheibenförmiges Bremselement mit Außenverzahnung und ein scheibenförmiges Bremselement mit Innenverzahnung abIn all embodiments shown, it is always provided that a part 10 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements at its outer peripheral edge has an external toothing and a second part 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements at its inner peripheral edge having an internal toothing. When viewed in the axial direction, a disk-shaped brake element with external toothing and a disc-shaped brake element with internal toothing always alternate

Es genügt, wenn an einem Teil 10, 11 von scheibenförmigen Bremselementen der Mehrzahl 10, 11 von scheibenförmigen Bremselementen ein Bremsbelag angeordnet ist.It is sufficient if a brake pad is arranged on a part 10, 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements.

In axialer Richtung (entlang der Drehachse x) betrachtet, sind die Mehrzahl 10, 11 von scheibenförmigen Bremselementen und die Mehrzahl 12 von Tellerfedern fluchtend in Bezug auf die Drehachse x hintereinander angeordnet.Viewed in the axial direction (along the axis of rotation x), the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs are arranged in alignment with respect to the axis of rotation x in succession.

Im gezeigten Ausführungsbeispiel weist der erste Teil 10 von scheibenförmigen Bremselementen der Mehrzahl 10, 11 von scheibenförmigen Bremselementen die Außenverzahnung auf und ist über eine am Lagerbolzen 8 angeordneten komplementäre Verzahnung 10' an diesen befestigt. Anders als dargestellt, ist es nicht unbedingt erforderlich, dass der Lagerbolzen 8 selbst die komplementäre Verzahnung 10' aufweist. Es würde genügen, wenn ein mit dem Lagerbolzen 8 verbundener Teil die entsprechende komplementäre Verzahnung 10' aufweist.In the embodiment shown, the first part 10 of disc-shaped brake elements of the plurality 10, 11 of disk-shaped brake elements on the outer teeth and is mounted on a bearing pin 8 arranged complementary toothing 10 'to this. Unlike shown, it is not essential that the bearing pin 8 itself has the complementary teeth 10 '. It would be sufficient if a part connected to the bearing bolt 8 has the corresponding complementary toothing 10 '.

Die komplementäre Verzahnung 11' für den zweiten Teil 11 von scheibenförmigen Bremselementen der Mehrzahl 10, 11 von scheibenförmigen Bremselementen ist am Deckel 18 (in Figur 1c nicht erkennbar) angeordnet.The complementary toothing 11 'for the second part 11 of disc-shaped brake elements of the plurality 10, 11 of disc-shaped brake elements is on the lid 18 (in Figure 1c not recognizable).

In der Version der Figur 1a sind an beiden Drehlagern 4, 5 des Drehgelenks 3 identisch ausgebildete Pendelbremsen 9 angeordnet. Es würde an sich genügen, nur bei einem der beiden Drehlager 4, 5 eine Pendelbremse 9 anzuordnen, die gegebenenfalls dann mehr scheibenförmige Bremselemente und/oder mehr Tellerfedern aufweisen müsste.In the version of FIG. 1a are arranged on both pivot bearings 4, 5 of the rotary joint 3 identically formed pendulum brakes 9. It would be sufficient, only one of the two pivot bearings 4, 5 to arrange a pendulum brake 9, which would then possibly have more disc-shaped brake elements and / or more disc springs.

In der Version der Figur 2 ist eine besonders platzsparend bauende Pendelbremse 9 gezeigt. Der Lagerbolzen 8 weist wiederum eine Ausnehmung 15 auf, in welcher sowohl die Mehrzahl 10, 11 von scheibenförmigen Bremselementen als auch die Mehrzahl 12 von Tellerfedern angeordnet sind.In the version of FIG. 2 is a particularly space-saving building pendulum brake 9 shown. The bearing pin 8 in turn has a recess 15 in which both the plurality 10, 11 of disc-shaped brake elements and the plurality 12 of disc springs are arranged.

Im Unterschied zu den bisher diskutierten Versionen weist allerdings die Mehrzahl 10, 11 von scheibenförmigen Bremselementen ihrerseits eine Ausnehmung 14 auf, wobei die Mehrzahl 12 von Tellerfedern innerhalb dieser Ausnehmung 14 angeordnet ist. Die Mehrzahl 12 von Tellerfedern ist dabei im topfförmig ausgebildeten Bauteil 20, welcher zur Spannvorrichtung gehört angeordnet. Sowohl die Mehrzahl 10,11 von scheibenförmigen Bremselementen als auch die Mehrzahl 12 von Tellerfedern befinden sich im Drehlager 5 (Bereich L).In contrast to the previously discussed versions, however, the plurality 10, 11 of disc-shaped brake elements in turn a recess 14, wherein the plurality is arranged 12 of disc springs within this recess 14. The plurality 12 of disc springs is arranged in the cup-shaped member 20, which belongs to the clamping device. Both the plurality 10.11 of disc-shaped brake elements and the plurality 12 of disc springs are located in the pivot bearing 5 (area L).

Anders als in den Figuren 1 und 2 dargestellt, könnte die Pendelbremse 9 auch beim Drehgelenk 21 angeordnet sein.Unlike in the FIGS. 1 and 2 illustrated, the pendulum brake 9 could also be arranged at the pivot 21.

Die Figur 3 zeigt einen Kranarm 1 mit einer erfindungsgemäßen Drehgelenkanordnung.The FIG. 3 shows a crane arm 1 with a hinge assembly according to the invention.

In der Figur 4 ist noch einmal die Anordnung der Figur 3 dargestellt, jedoch mit einem an der Befestigungsvorrichtung 2 befestigtem Arbeitsgerät in Form eines forstwirtschaftlichen Prozessors (dieser ist nur beispielhaft gezeigt, natürlich könnten auch andere Arbeitsgeräte vorgesehen sein).In the FIG. 4 is again the arrangement of FIG. 3 illustrated, however, with a fixed to the fastening device 2 working device in the form of a forestry processor (this is shown only by way of example, of course, other tools could be provided).

Generell könnten die bei den einzelnen Ausführungsbeispielen gelehrten Maßnahmen auch in beliebiger Kombination bei den jeweils anderen Ausführungsbeispielen eingesetzt werden.In general, the measures taught in the individual embodiments could also be used in any combination in the other embodiments.

Claims (11)

  1. Pivot joint arrangement for a crane arm (1) having a securing device (2) for operating devices, having:
    - a pivot joint (3) which has, along the axis of rotation (x) thereof, two spaced-apart pivot bearings (4, 5), at least one of the two pivot bearings (4, 5) having at least two flaps (6, 7) and a bearing pin (8), of which one flap (6) is connectable to the crane arm (1) and the other flap (7) is connectable to the securing device (2) and the bearing pin (8) being connected in a rotationally secure manner to one of the two flaps (6, 7) and rotating relative to the other of the two flaps (6, 7),
    - and having at least one swing brake (9) in order to brake or damp an oscillation of the operating device on the crane arm (1), the swing brake (9) having a plurality (10, 11) of disc-like brake elements, wherein
    - disc-like brake elements of a first portion (10) of the plurality (10, 11) of disc-like brake elements have an outer profile at the outer peripheral edge thereof and
    - disc-like brake elements of a second portion (11) of the plurality (10, 11) of disc-like brake elements have an inner profile at the inner peripheral edge thereof and
    - the first portion (10) or second portion (11) of disc-like brake elements is secured to the bearing pin (8) in a positive-locking manner by means of a complementary profile, and
    - the other portion (10, 11) of disc-like brake elements is connected in a positive-locking manner to that flap (6, 7) relative to which the bearing pin (8) rotates by means of a complementary profile arranged on a cover (18), wherein in an axial view a disc-like brake element having an outer peripheral edge and a disc-like brake element having an inner peripheral edge alternate, characterised in that the plurality (10, 11) of disc-like brake elements are arranged at least partially, preferably completely, in the pivot bearing (4, 5).
  2. Pivot joint arrangement according to claim 1, characterised in that there is provided an adjustable clamping device by means of which the plurality (10, 11) of disc-like brake elements are pressed together with an adjustable compressing force.
  3. Pivot joint arrangement according to claim 2, characterised in that the adjustable clamping device has a plurality (12) of disc springs and a screw mechanism (13) for pressing together the plurality (12) of disc springs.
  4. Pivot joint arrangement according to claim 2 or 3, characterised in that the plurality (10, 11) of disc-like brake elements have a recess (14) and the clamping device is arranged at least partially, preferably completely, inside the recess (14).
  5. Pivot joint arrangement according to any one of claims 2 to 4, characterised in that, when viewed in the direction of the axis of rotation (x) of the pivot bearing (4, 5), the plurality (10, 11) of disc-like brake elements and the clamping device are arranged one behind the other - and preferably in alignment relative to the axis of rotation (x) of the pivot bearing (4, 5).
  6. Pivot joint arrangement according to any one of claims 1 to 5, characterised in that the bearing pin (8) has a recess (15) and the plurality (10, 11) of disc-like brake elements are arranged at least partially, preferably completely, in the recess (15).
  7. Pivot joint arrangement according to any one of claims 2 to 6, characterised in that the bearing pin (8) has a recess (15) and the clamping device is arranged at least partially, preferably completely, in the recess (15).
  8. Pivot joint arrangement according to any one of claims 1 to 7, characterised in that both pivot bearings (4, 5) of the pivot joint are provided with - preferably identically constructed - swing brakes (1).
  9. Pivot joint arrangement according to any one of claims 1 to 8, characterised in that the outer profile, the inner profile and the complementary profiles are constructed as a toothed arrangement or with a multi-sided profile.
  10. Crane having a pivot joint arrangement according to any one of claims 1 to 9.
  11. Vehicle having a crane according to claim 10.
EP11007519.9A 2011-09-15 2011-09-15 Swivel joint assembly Active EP2570379B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP11007519.9A EP2570379B1 (en) 2011-09-15 2011-09-15 Swivel joint assembly
PL11007519T PL2570379T3 (en) 2011-09-15 2011-09-15 Swivel joint assembly
CA2790074A CA2790074A1 (en) 2011-09-15 2012-09-13 Pivot joint arrangement
US13/613,165 US20130071173A1 (en) 2011-09-15 2012-09-13 Pivot joint arrangement
RU2012139641/11A RU2519796C2 (en) 2011-09-15 2012-09-14 Hinge system
CN2012103400702A CN102992205A (en) 2011-09-15 2012-09-14 Swivel joint assembly
ZA2012/06932A ZA201206932B (en) 2011-09-15 2012-09-14 Pivot joint arrangement
BR102012023225-1A BR102012023225B1 (en) 2011-09-15 2012-09-14 ROTARY ARTICULATION ARRANGEMENT FOR A CRANE ARM, CRANE AND VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11007519.9A EP2570379B1 (en) 2011-09-15 2011-09-15 Swivel joint assembly

Publications (2)

Publication Number Publication Date
EP2570379A1 EP2570379A1 (en) 2013-03-20
EP2570379B1 true EP2570379B1 (en) 2015-11-11

Family

ID=44653958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11007519.9A Active EP2570379B1 (en) 2011-09-15 2011-09-15 Swivel joint assembly

Country Status (8)

Country Link
US (1) US20130071173A1 (en)
EP (1) EP2570379B1 (en)
CN (1) CN102992205A (en)
BR (1) BR102012023225B1 (en)
CA (1) CA2790074A1 (en)
PL (1) PL2570379T3 (en)
RU (1) RU2519796C2 (en)
ZA (1) ZA201206932B (en)

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EP3009391A1 (en) * 2014-10-15 2016-04-20 Steindl Krantechnik Gesellschaft m.b.H. Crane
EP3009392B1 (en) * 2014-10-15 2018-07-25 Steindl Krantechnik Gesellschaft m.b.H. Crane
CN104760896A (en) * 2015-04-14 2015-07-08 刘青建 Crane extension arm rotation device
DE202017101471U1 (en) * 2017-03-14 2017-04-11 Kemmann & Koch Gmbh & Co. Kg Articulated fitting especially for furniture
CN107630872A (en) * 2017-09-11 2018-01-26 苏州安特实业有限公司 Logistic car transport keeper
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NL2025623B1 (en) * 2020-05-19 2021-12-07 Gierkink Exploitatie B V Linking device for rotatably coupling working equipment to a crane on a working machine

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Also Published As

Publication number Publication date
CA2790074A1 (en) 2013-03-15
RU2012139641A (en) 2014-03-20
BR102012023225A2 (en) 2014-03-04
RU2519796C2 (en) 2014-06-20
US20130071173A1 (en) 2013-03-21
CN102992205A (en) 2013-03-27
ZA201206932B (en) 2013-05-29
PL2570379T3 (en) 2016-04-29
EP2570379A1 (en) 2013-03-20
BR102012023225B1 (en) 2020-11-24

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