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EP2877651B1 - Rotary distributor for thick matter - Google Patents

Rotary distributor for thick matter Download PDF

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Publication number
EP2877651B1
EP2877651B1 EP13726509.6A EP13726509A EP2877651B1 EP 2877651 B1 EP2877651 B1 EP 2877651B1 EP 13726509 A EP13726509 A EP 13726509A EP 2877651 B1 EP2877651 B1 EP 2877651B1
Authority
EP
European Patent Office
Prior art keywords
extension arm
tube
axis
arm tube
arrangement according
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.)
Not-in-force
Application number
EP13726509.6A
Other languages
German (de)
French (fr)
Other versions
EP2877651A1 (en
Inventor
Karl Westermann
Michael BRIEM
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.)
Putzmeister Engineering GmbH
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Putzmeister Engineering GmbH
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Filing date
Publication date
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Publication of EP2877651A1 publication Critical patent/EP2877651A1/en
Application granted granted Critical
Publication of EP2877651B1 publication Critical patent/EP2877651B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G21/0418—Devices for both conveying and distributing with distribution hose
    • E04G21/0427—Devices for both conveying and distributing with distribution hose on a static support, e.g. crane
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G21/0418—Devices for both conveying and distributing with distribution hose
    • E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/8807—Articulated or swinging flow conduit

Definitions

  • the invention relates to an arrangement for the application of concrete comprising a stationary concrete pump and a connected by a feed line with the stationary concrete pump rotary distributor for thick materials, especially for fresh concrete, with an erectable on a footprint support frame, with a rotatable about a frame-fixed vertical axis in the region of its input side end arranged on the support frame and there acted upon by the thick materials under pressure first boom tube and pivotally arranged in the region of the output side end of the first boom tube about a horizontal pivot axis, communicating with the first boom tube second boom tube.
  • the two cantilever tubes of the two-piece cantilever are usually connected by a hinge which only allows rotation about the vertical axis.
  • Rotary distributor can thus move only in the horizontal plane. While the mast arm in distribution booms due to the large working height for safety reasons is always composed of a load-bearing construction and a connected delivery line exists the second arm of a rotary distributor usually only from a self-supporting delivery pipe.
  • Rotary distributors usually have no drive but are manually guided by the operator. Due to their simple structure and because of their short range, they are relatively inexpensive. They are therefore preferred in simple concreting tasks use.
  • the scissor-like mobility of the second boom tube relative to the first boom tube has the advantage that the rotary distributor, in contrast to distributor masts, are outstandingly suitable for surface concrete layers.
  • the present invention seeks to improve an arrangement of the type specified in that his work area expanded and any obstacles can be avoided on the site easier.
  • the guide of the second boom tube parallel to the footprint can be realized for example by means of two clamping elements which connect the joint of the first boom tube with the joint of the second boom tube.
  • This is a coupling gear, in which the parallel guide means comprise a web aligned parallel to the frame-fixed vertical axis and a parallel to the arranged at the output end of the first boom tube axis of rotation of the second boom tube coupling a four-bar linkage in the manner of a double crank, and in which the second Boom tube is oriented substantially perpendicular to the coupling of the four-bar linkage.
  • the first boom pipe is connected via at least two pipe elbows and a corresponding number of pipe couplings to a frame-fixed pipe piece, wherein two of the pipe couplings are formed as rotary joints with mutually perpendicularly aligned axes of rotation.
  • one of the rotary couplings forms the vertical axis and the other rotary coupling the horizontal axis of the first boom tube relative to the support frame.
  • a similar construction can be used in the connection of the first and the second boom tube.
  • the second boom pipe is connected at its input end via at least two pipe elbows and a corresponding number pipe couplings to the output side end of the first boom tube, wherein two of the pipe couplings are formed as rotary joints with mutually perpendicularly oriented axes of rotation.
  • one of the rotary couplings forms the horizontal pivot axis, while the other rotary coupling forms the axis of rotation perpendicular thereto between the first and the second boom tube.
  • the first boom tube by means of a lifting device about its input-side horizontal axis under raising or lowering of the second boom tube relative to the support frame is pivotable.
  • the lifting device may have a clamped or tensioned between the boom tube and the ballast boom, under pivoting of the first boom tube about its horizontal axis mechanically actuated tension or tension member.
  • the lifting device advantageously has a lever which is articulated on the ballast arm or on the web of the four-bar mechanism and is movable by means of a drive mechanism, the free end of which is connected to the first arm tube via the tensioning or tension member.
  • the lifting device has a two-armed lever arranged on the ballast arm, whose load arm is connected via the tension or tension member to the first boom tube and the power arm is coupled to a supported on the ballast boom, preferably designed as a hydraulic cylinder drive mechanism.
  • the second boom tube carries at its end equipped for example with a 90 ° elbow free end hanging down end hose.
  • the illustrated in the drawing rotary distributor 10 is used for the introduction of fresh concrete on construction sites where the direct distribution with stationary distribution booms reaches technical or economic limits.
  • the rotary distributor 10 can overcome with its exit point 12 both large concreting and a certain height and yet is simple and easy to handle.
  • the rotary distributor on a support frame 14 which is erected with four star-shaped pivot legs 16 on a footprint 18.
  • the four pivoting legs 16 can be folded in pairs up and to the side, so that the rotary distributor 10 can be transported to save space without disassembly on a truck or a container.
  • the rotary distributor 10 includes a two-armed boom 20, which is arranged around a frame-fixed horizontal axis 24 rotatably mounted on the support frame 14 in the region of its input end end 22 and a pivotable about a horizontal pivot axis 28 in the region of the output side end 25 of its first boom tube 26, comprising second boom tube 30 communicating with first boom tube 26.
  • a special feature of the invention is that the first boom tube 26 in the region of its input end 22 is additionally pivotable about a horizontal axis 32 relative to the support frame 14 and that the second boom tube 30 in addition to a horizontal pivot axis 28 perpendicular axis of rotation 34 relative to the output side End 25 of the first boom tube 26 is rotatable.
  • Parallel guide means 36 are provided between the first and second jib tubes 26, 30, which ensure that the second jib tube 30 is always held in different pivotal positions of the first jib tube 26 in a direction substantially parallel to the setting surface 18. At the same time this means that under the action of the parallel guide means 36 which is perpendicular to the horizontal pivot axis 28 axis of rotation 34 of the second boom tube 30 is held in different pivotal positions of the first boom tube 26 in the frame-fixed vertical axis 24 parallel alignment.
  • the parallel guide means 36 thus form a coupling mechanism in the manner of a parallelogram or a double crank, the aligned parallel to the frame-fixed vertical axis 24 web 38 and a parallel to the arranged at the output end 25 of the first boom tube 26 axis of rotation 34 of the second boom tube 30 aligned coupling 40.
  • the second boom tube 30 is aligned substantially perpendicular to the coupling 40, and describes with its tip 42 a coupling curve, which results from the always horizontal alignment during pivoting of the first boom tube 26.
  • a clamping member 70 is provided which extends from the free end of the coupling 40 from obliquely to the second boom tube 30 and is fixed thereto.
  • the second boom tube 30 can also be connected to a further reinforcement with a support bar 72, which ensures that the second boom tube 30 is not bent under the load of fresh concrete flowing through.
  • the second boom tube 30 opens via a 90 ° bend 44 in a downwardly hanging end hose 46, through which the concrete can be conveniently applied to the concreting.
  • the boom 20 is composed of self-supporting boom tubes 26,30.
  • the first boom pipe 26 is connected via a total of four pipe bend 48 and five pipe couplings 50 to a frame-fixed pipe section 52.
  • Two of the pipe couplings are in this case designed as rotary couplings 50 ', 50 "with mutually perpendicularly oriented axes of rotation 24, 32.
  • One of the rotary couplings 50' forms the vertical axis 24, while the other rotary coupling 50" forms the horizontal axis 32 of the first boom pipe 26 relative to the supporting frame 14 forms.
  • the second boom tube 30 at its input end 54 via five pipe elbow 56 and six pipe couplings 58 connected to the output side end 25 of the first boom tube 26, wherein the pipe coupling 58 'as a rotary joint, the horizontal pivot axis 28 and another rotary coupling (not shown) the for this purpose form a vertical axis of rotation 34 between the first and the second boom tube 26,30.
  • ballast boom 60 In the area of the input-side end 22 of the first boom tube 26 there is a ballast boom 60, which rotates about the frame-fixed vertical axis 24 and is necessary for the stability of the rotary distributor 10 on the installation surface 18.
  • the first boom tube 26 by means of a lifting device 62 about its input-side horizontal axis 32 under raising or lowering of the second boom tube 30 relative to the support frame 14 is pivotable.
  • the lifting device 62 has a tensioning or tensioning element 64 clamped between the first extension tube 26 and the ballast extension 60 and pivotable about the horizontal axis 32 by pivoting the first delivery tube 26.
  • the lifting device 62 in this embodiment consists of a two-armed lever 66 which is articulated on the ballast arm 60 and whose load arm 66 'is connected via the tension or tension member 64 to the first boom tube 26 and the latter Power arm 66 "is coupled to a supported on the ballast arm 60, designed as a hydraulic cylinder drive mechanism 68.
  • the lifting of the first boom tube 26 can also be done otherwise
  • Lifting device 62 comprises a lever which is articulated on the ballast arm 60 or on the web 38 of the four-bar mechanism and which is movable by means of a drive mechanism 68 whose free lever end is connected to the first boom tube 26 via the tensioning or pulling member 64.
  • the raising and lowering of the first extension arm 26 can take place
  • the invention relates to a rotary distributor according to claim 1.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Jib Cranes (AREA)

Description

Die Erfindung betrifft eine Anordnung für das Ausbringen von Beton umfassend eine Stationärbetonpumpe und einen durch eine Förderleitung mit der Stationärbetonpumpe verbundenen Rundverteiler für Dickstoffe, insbesondere für Frischbeton, mit einem auf einer Aufstellfläche aufstellbaren Traggestell, mit einem im Bereich seines eingangsseitigen Endes um eine gestellfeste Hochachse drehbar am Traggestell angeordneten und dort mit den Dickstoffen unter Druck beaufschlagbaren ersten Auslegerrohr und mit einem im Bereich des ausgangsseitigen Endes des ersten Auslegerrohrs um eine horizontale Schwenkachse verschwenkbar angeordneten, mit dem ersten Auslegerrohr kommunizierenden zweiten Auslegerrohr.The invention relates to an arrangement for the application of concrete comprising a stationary concrete pump and a connected by a feed line with the stationary concrete pump rotary distributor for thick materials, especially for fresh concrete, with an erectable on a footprint support frame, with a rotatable about a frame-fixed vertical axis in the region of its input side end arranged on the support frame and there acted upon by the thick materials under pressure first boom tube and pivotally arranged in the region of the output side end of the first boom tube about a horizontal pivot axis, communicating with the first boom tube second boom tube.

Eine derartige Anordnung mit einem Rundverteilerist aus der JP S5980864 A und der US 2927607 A bekannt. Bei großen Betonbauprojekten, bei denen große Mengen Frischbeton in kurzer Zeit ausgebracht werden müssen, sind die klassischen Betoniermethoden, wie eine Betonage mit einem Krankübel nicht leistungsfähig genug. Wenn beim Betontransport zusätzlich weite Strecken oder große Höhen überwunden werden müssen, so werden heute meist Stationärbetonpumpen mit Förderleitungssystem eingesetzt. Als Verteilgerät am Ende einer stationären Förderleitung kommen beispielsweise Verteilermaste und Rundverteiler in Betracht. Rundverteiler der eingangs angegebenen Art bestehen üblicherweise aus einem zweiteiligen Ausleger, einem Gegenausleger mit Ballast und einem meist als Standfuß ausgebildeten Traggestell. Die beiden Auslegerrohre des zweiteiligen Auslegers sind für gewöhnlich über ein Gelenk verbunden, das nur ein Drehen um die Vertikalachse erlaubt. Rundverteiler können sich also nur in der horizontalen Ebene bewegen. Während der Mastarm bei Verteilermasten wegen der großen Arbeitshöhe aus Sicherheitsgründen immer aus einer tragenden Konstruktion und einer daran angeschlossenen Förderleitung zusammengesetzt ist, besteht der zweite Arm eines Rundverteilers meist nur aus einem selbsttragenden Förderrohr. Rundverteiler verfügen üblicherweise über keinen Antrieb, sondern werden vom Bediener manuell geführt. Durch ihren einfachen Aufbau und wegen ihrer geringen Reichweite sind sie relativ preisgünstig. Sie finden daher bevorzugt bei einfachen Betonieraufgaben Verwendung. Die scherenartige Beweglichkeit des zweiten Auslegerrohrs gegenüber dem ersten Auslegerrohr hat den Vorteil, dass die Rundverteiler im Gegensatz zu Verteilermasten hervorragend für Flächenbetonagen geeignet sind. Bei einer solchen Betonieraufgabe kann ein Bediener auch mit geringer Erfahrung und Ausbildung den Beton einfach durch manuelles Bewegen der Auslegerrohre an jede beliebige Stelle innerhalb des Aktionsradius des Rundverteilers ausbringen. Die Gefahr, dass hierdurch im Wirkungsbereich stehende Gegenstände oder Personen beschädigt oder verletzt werden ist dabei relativ gering. Andererseits haben Rundverteiler im Vergleich zu einem Stationärverteilermast einen konzeptbedingten Nachteil. Sie sind nicht in der Lage, Hindernisse im Arbeitsbereich zu überwinden. Auf den zu betonierenden Flächen auf den Baustellen sind aber häufig vertikale Bewehrungen für Säulen oder Wandanschlüsse, Schalungen, Transport- und Lagerbehälter oder ähnliches zu finden. Diese Teile bilden Hindernisse, die die Beweglichkeit des Rundverteilers einschränken und einen wiederholten und damit unwirtschaftlichen Standortwechsel des Rundverteilers erfordern. Schlimmstenfalls muss man sogar ganz vom Einsatz des Rundverteilers absehen, so dass alternativ nur der teure Stationärmast in Betracht kommt.Such an arrangement with a Rundverteilerist from the JP S5980864 A and the US 2927607 A known. In large concrete construction projects, where large quantities of fresh concrete have to be applied in a short time, the classic concreting methods, such as concreting with a crane bucket, are not powerful enough. If in concrete transport long distances or high altitudes have to be overcome, nowadays mostly stationary concrete pumps with delivery line system are used. As a distributor at the end of a stationary conveyor line, for example, distribution booms and rotary distributor come into consideration. Rotary distributor of the type initially specified usually consist of a two-piece boom, a counter-jib with ballast and a usually designed as a base support frame. The two cantilever tubes of the two-piece cantilever are usually connected by a hinge which only allows rotation about the vertical axis. Rotary distributor can thus move only in the horizontal plane. While the mast arm in distribution booms due to the large working height for safety reasons is always composed of a load-bearing construction and a connected delivery line exists the second arm of a rotary distributor usually only from a self-supporting delivery pipe. Rotary distributors usually have no drive but are manually guided by the operator. Due to their simple structure and because of their short range, they are relatively inexpensive. They are therefore preferred in simple concreting tasks use. The scissor-like mobility of the second boom tube relative to the first boom tube has the advantage that the rotary distributor, in contrast to distributor masts, are outstandingly suitable for surface concrete layers. With such a concreting task, even with little experience and training, an operator can easily deploy the concrete by manually moving the boom tubes to any location within the operating radius of the rotary distributor. The risk of damage or injury to objects or persons standing in the area of action is relatively low. On the other hand, round distributors have a concept-related disadvantage compared to a stationary distributor boom. They are unable to overcome obstacles in the work area. On the surfaces to be concreted on the construction sites but are often vertical reinforcements for columns or wall connections, formwork, transport and storage containers or the like to find. These parts form obstacles that limit the mobility of the rotary distributor and require a repeated and thus uneconomical relocation of the rotary distributor. In the worst case one must even refrain entirely from the use of the rotary distributor, so that alternatively only the expensive stationary boom comes into consideration.

Ausgehend hiervon liegt der Erfindung die Aufgabe zugrunde, eine Anordnung der eingangs angegebenen Art dahingehend zu verbessern, dass sein Arbeitsbereich erweitert und etwaigen Hindernissen auf der Baustelle einfacher ausgewichen werden kann.Proceeding from this, the present invention seeks to improve an arrangement of the type specified in that his work area expanded and any obstacles can be avoided on the site easier.

Zur Lösung dieser Aufgabe wird die in Patentanspruch 1 angegebenen Merkmalskombination vorgeschlagen. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.To solve this problem, the feature combination specified in claim 1 is proposed. Advantageous embodiments and modifications of the invention will become apparent from the dependent claims.

Der erfindungsgemäßen Lösung liegt vor allem der Gedanke zugrunde, dass ein Rundverteiler mit anhebbarem erstem Auslegerrohr der gesamte Ausleger einfach über Hindernisse hinweg verschwenkt werden kann und ein mühseliges Umstellen des Rundverteilers entfällt. Um ein Anheben des ersten Auslegerrohrs zu ermöglichen, wird gemäß der Erfindung vorgeschlagen, dass das erste Auslegerrohr im Bereich seines eingangsseitigen Endes neben der vertikalen Drehachse zusätzlich um eine Horizontalachse gegenüber dem Traggestell verschwenkbar ist. Wäre in diesem Falle das Gelenk zwischen den beiden Auslegerrohren wie üblich nur mit einer Horizontalachse ausgestattet, so würde sich das zweite Auslegerrohr beim Anheben des ersten ebenfalls neigen. Dadurch wäre die Drehachse zwischen den beiden Auslegerrohren nicht mehr vertikal. Das zweite Auslegerrohr würde selbsttätig zur Seite schwenken. Um diesen Nachteil zu vermeiden, wird gemäß der Erfindung außerdem vorgeschlagen, dass das zweite Auslegerrohr zusätzlich um eine zur horizontalen Schwenkachse senkrechte Drehachse gegenüber dem ausgangsseitigen Ende des ersten Auslegerrohrs drehbar ist, und dass zwischen dem ersten und dem zweiten Auslegerrohr Parallelführungsmittel vorgesehen sind, die dazu bestimmt und geeignet sind,

  • das zweite Auslegerrohr in unterschiedlichen Schwenklagen des ersten Auslegerrohrs in einer zur Aufstellfläche im Wesentlichen parallelen Ausrichtung zu halten,
  • und/oder die zur horizontalen Schwenkachse senkrechte Drehachse des zweiten Auslegerrohrs in unterschiedlichen Schwenklagen des ersten Auslegerrohrs in zur gestellfesten Hochachse paralleler Ausrichtung zu halten.
The solution according to the invention is based primarily on the idea that a rotary distributor with liftable first boom tube of the entire boom can be easily pivoted across obstacles and a laborious changeover of the rotary distributor omitted. In order to enable a lifting of the first boom tube, it is proposed according to the invention that the first boom tube in the region of its input-side end in addition to the vertical axis of rotation is additionally pivotable about a horizontal axis relative to the support frame. If, in this case, the joint between the two cantilever tubes was, as usual, equipped with only one horizontal axis, then the second cantilever tube would likewise tilt when lifting the first one. As a result, the axis of rotation between the two cantilever tubes would no longer be vertical. The second boom tube would pivot to the side automatically. To avoid this disadvantage, it is also proposed according to the invention that the second boom tube is additionally rotatable about a pivot axis perpendicular to the horizontal pivot axis relative to the output side end of the first boom tube, and that between the first and the second boom tube parallel guide means are provided to are determined and suitable,
  • holding the second boom tube in different pivotal positions of the first boom tube in a direction substantially parallel to the footprint,
  • and / or to keep the axis of rotation of the second boom tube perpendicular to the horizontal pivot axis in different pivotal positions of the first boom tube in alignment parallel to the frame-fixed vertical axis.

Mit diesen Maßnahmen wird erreicht, dass das zweite Auslegerrohr unabhängig vom Anstellwinkel des ersten Auslegerrohrs über die Parallelführung stets waagerecht gehalten wird.With these measures it is achieved that the second boom tube is always kept level regardless of the angle of attack of the first boom tube on the parallel guide.

Die Führung des zweiten Auslegerrohrs parallel zur Aufstellfläche kann beispielsweise mittels zweier Spannelemente verwirklicht werden, die das Gelenk des ersten Auslegerrohrs mit dem Gelenk des zweiten Auslegerrohrs verbinden. Es handelt sich hierbei um ein Koppelgetriebe, bei welchem die Parallelführungsmittel einen parallel zur gestellfesten Hochachse ausgerichteten Steg und eine parallel zu der am ausgangsseitigen Ende des ersten Auslegerrohrs angeordneten Drehachse des zweiten Auslegerrohrs ausgerichtete Koppel eines Viergelenkgetriebes nach Art einer Doppelkurbel aufweisen, und bei welchem das zweite Auslegerrohr im Wesentlichen senkrecht zur Koppel des Viergelenkgetriebes ausgerichtet ist.The guide of the second boom tube parallel to the footprint can be realized for example by means of two clamping elements which connect the joint of the first boom tube with the joint of the second boom tube. This is a coupling gear, in which the parallel guide means comprise a web aligned parallel to the frame-fixed vertical axis and a parallel to the arranged at the output end of the first boom tube axis of rotation of the second boom tube coupling a four-bar linkage in the manner of a double crank, and in which the second Boom tube is oriented substantially perpendicular to the coupling of the four-bar linkage.

Bei der Verwendung von selbsttragenden Auslegerrohren ist es von Vorteil, wenn das erste Auslegerrohr über mindestens zwei Rohrkrümmer sowie eine entsprechende Anzahl Rohrkupplungen an ein gestellfestes Rohrstück angeschlossen ist, wobei zwei der Rohrkupplungen als Drehkupplungen mit zueinander senkrecht ausgerichteten Drehachsen ausgebildet sind. Vorteilhafterweise bildet dabei eine der Drehkupplungen die Hochachse und die andere Drehkupplung die Horizontalachse des ersten Auslegerrohrs gegenüber dem Traggestell.When using self-supporting boom pipes, it is advantageous if the first boom pipe is connected via at least two pipe elbows and a corresponding number of pipe couplings to a frame-fixed pipe piece, wherein two of the pipe couplings are formed as rotary joints with mutually perpendicularly aligned axes of rotation. Advantageously, one of the rotary couplings forms the vertical axis and the other rotary coupling the horizontal axis of the first boom tube relative to the support frame.

Eine ähnliche Bauweise kann bei der Verbindung des ersten und des zweiten Auslegerrohrs verwendet werden. Hierbei ist das zweite Auslegerrohr an seinem eingangsseitigen Ende über mindestens zwei Rohrkrümmer sowie einer entsprechenden Anzahl Rohrkupplungen an das ausgangsseitige Ende des ersten Auslegerrohrs angeschlossen, wobei zwei der Rohrkupplungen als Drehkupplungen mit zueinander senkrecht ausgerichteten Drehachsen ausgebildet sind. Vorteilhafterweise bildet dabei eine der Drehkupplungen die horizontale Schwenkachse, während die andere Drehkupplung die hierzu senkrechte Drehachse zwischen dem ersten und dem zweiten Auslegerrohr bildet.A similar construction can be used in the connection of the first and the second boom tube. Here, the second boom pipe is connected at its input end via at least two pipe elbows and a corresponding number pipe couplings to the output side end of the first boom tube, wherein two of the pipe couplings are formed as rotary joints with mutually perpendicularly oriented axes of rotation. Advantageously, one of the rotary couplings forms the horizontal pivot axis, while the other rotary coupling forms the axis of rotation perpendicular thereto between the first and the second boom tube.

Um eine ausreichende Standfestigkeit des Rundverteilers zu gewährleisten, ist es vorteilhaft, wenn im Bereich des eingangsseitigen Endes des ersten Auslegerrohrs ein mit diesem um die gestellfeste Hochachse mitdrehender Ballastausleger angeordnet ist.In order to ensure a sufficient stability of the rotary distributor, it is advantageous if in the region of the input-side end of the first boom tube with this to the frame-fixed vertical axis co-rotating ballast boom is arranged.

Zum Anheben und Absenken des Auslegers sind vielerlei Möglichkeiten denkbar. Eine bevorzugte Ausgestaltung sieht hierfür vor, dass das erste Auslegerrohr mittels einer Liftvorrichtung um seine eingangsseitige Horizontalachse unter Anheben oder Absenken des zweiten Auslegerrohrs gegenüber dem Traggestell verschwenkbar ist. Die Liftvorrichtung kann dabei ein zwischen dem Auslegerrohr und dem Ballastausleger eingespanntes, unter Verschwenken des ersten Auslegerrohrs um seine Horizontalachse mechanisch betätigbares Spann- oder Zugglied aufweisen. Vorteilhafterweise weist hierfür die Liftvorrichtung einen am Ballastausleger oder am Steg des Viergelenkgetriebes angelenkten, über einen Antriebsmechanismus beweglichen Hebel auf, dessen freies Hebelende über das Spann- oder Zugglied mit dem ersten Auslegerrohr verbunden ist. Gemäß einer vorteilhaften Weiterbildung dieses Prinzips weist die Liftvorrichtung einen am Ballastausleger angeordneten zweiarmigen Hebel auf, dessen Lastarm über das Spann- oder Zugglied mit dem ersten Auslegerrohr verbunden ist und dessen Kraftarm mit einem am Ballastausleger abgestützten, vorzugsweise als Hydraulikzylinder ausgebildeten Antriebsmechanismus gekoppelt ist. Für eine gleichmäßige Verteilung des Betons auf einer Betonierfläche oder in einer Schalung kann es außerdem vorteilhaft sein, wenn das zweite Auslegerrohr an seinem beispielsweise mit einem 90°-Krümmer bestückten freien Ende einen nach unten hängenden Endschlauch trägt.To raise and lower the boom many possibilities are conceivable. A preferred embodiment provides for this that the first boom tube by means of a lifting device about its input-side horizontal axis under raising or lowering of the second boom tube relative to the support frame is pivotable. The lifting device may have a clamped or tensioned between the boom tube and the ballast boom, under pivoting of the first boom tube about its horizontal axis mechanically actuated tension or tension member. For this purpose, the lifting device advantageously has a lever which is articulated on the ballast arm or on the web of the four-bar mechanism and is movable by means of a drive mechanism, the free end of which is connected to the first arm tube via the tensioning or tension member. According to an advantageous development of this principle, the lifting device has a two-armed lever arranged on the ballast arm, whose load arm is connected via the tension or tension member to the first boom tube and the power arm is coupled to a supported on the ballast boom, preferably designed as a hydraulic cylinder drive mechanism. For a uniform distribution of the concrete on a concreting or in a formwork, it may also be advantageous if the second boom tube carries at its end equipped for example with a 90 ° elbow free end hanging down end hose.

Im Folgenden wird die Erfindung anhand der in der Zeichnung in schematischer Weise dargestellten Ausführungsbeispiele näher erläutert. Es zeigen:

Fig. 1
einen Rundverteiler mit einem zweiarmigen Ausleger und einem Endschlauch;
Fig. 2
den Ausleger des Rundverteilers mit seinen über Rohrkrümmer miteinander verbundenen Auslegerarmen;
Fig. 3
eine Prinzipdarstellung des Rundverteilers mit Traggestell, zwei Auslegerrohren und einer Parallelführung.
In the following the invention will be explained in more detail with reference to the embodiments schematically illustrated in the drawing. Show it:
Fig. 1
a rotary distributor with a two-armed boom and a hose end;
Fig. 2
the boom of the rotary distributor with its connected via elbows boom arms;
Fig. 3
a schematic diagram of the rotary distributor with support frame, two boom tubes and a parallel guide.

Der in der Zeichnung dargestellte Rundverteiler 10 dient zur Einbringung von Frischbeton auf Baustellen, auf denen die direkte Verteilung mit stationären Verteilermasten an technische oder wirtschaftliche Grenzen stößt. Der Rundverteiler 10 kann mit seiner Austrittsstelle 12 sowohl große Betonierflächen als auch eine gewisse Höhe überwinden und ist dennoch einfach aufgebaut und leicht handhabbar.The illustrated in the drawing rotary distributor 10 is used for the introduction of fresh concrete on construction sites where the direct distribution with stationary distribution booms reaches technical or economic limits. The rotary distributor 10 can overcome with its exit point 12 both large concreting and a certain height and yet is simple and easy to handle.

Wie aus den Fig. 1 und 3 zu ersehen ist, weist der Rundverteiler ein Traggestell 14 auf, das mit vier sternförmig angeordneten Schwenkbeinen 16 auf einer Aufstellfläche 18 aufstellbar ist. Die vier Schwenkbeine 16 können paarweise nach oben und zur Seite geklappt werden, so dass der Rundverteiler 10 ohne Demontage auf einem LKW oder einem Container platzsparend transportiert werden kann.Like from the Fig. 1 and 3 can be seen, the rotary distributor on a support frame 14 which is erected with four star-shaped pivot legs 16 on a footprint 18. The four pivoting legs 16 can be folded in pairs up and to the side, so that the rotary distributor 10 can be transported to save space without disassembly on a truck or a container.

Der Rundverteiler 10 enthält einen zweiarmigen Ausleger 20, der ein im Bereich seines eingangsseitigen Endes 22 um eine gestellfeste Horizontalachse 24 drehbar am Traggestell 14 angeordnetes erstes Auslegerrohr 26 und ein im Bereich des ausgangsseitigen Endes 25 seines ersten Auslegerrohrs 26 um eine horizontale Schwenkachse 28 verschwenkbar angeordnetes, mit dem ersten Auslegerrohr 26 kommunizierendes zweites Auslegerrohr 30 umfasst. Eine Besonderheit der Erfindung besteht darin, dass das erste Auslegerrohr 26 im Bereich seines eingangsseitigen Endes 22 zusätzlich um eine Horizontalachse 32 gegenüber dem Traggestell 14 verschwenkbar ist und dass das zweite Auslegerrohr 30 zusätzlich um eine zur horizontalen Schwenkachse 28 senkrechte Drehachse 34 gegenüber dem ausgangsseitigen Ende 25 des ersten Auslegerrohrs 26 drehbar ist. Zwischen dem ersten und dem zweiten Auslegerrohr 26,30 sind Parallelführungsmittel 36 vorgesehen, die dafür sorgen, dass das zweite Auslegerrohr 30 in unterschiedlichen Schwenklagen des ersten Auslegerrohrs 26 stets in einer zur Aufstellfläche 18 im Wesentlichen parallelen Ausrichtung gehalten wird. Gleichzeitig heißt dies, dass unter der Einwirkung der Parallelführungsmittel 36 die zur horizontalen Schwenkachse 28 senkrechte Drehachse 34 des zweiten Auslegerrohrs 30 in unterschiedlichen Schwenklagen des ersten Auslegerrohrs 26 in zur gestellfesten Hochachse 24 paralleler Ausrichtung gehalten wird. Die Parallelführungsmittel 36 bilden also ein Koppelgetriebe nach Art einer Parallelogrammführung oder einer Doppelkurbel, die einen parallel zur gestellfesten Hochachse 24 ausgerichteten Steg 38 und eine parallel zu der am ausgangsseitigen Ende 25 des ersten Auslegerrohrs 26 angeordneten Drehachse 34 des zweiten Auslegerrohrs 30 ausgerichtete Koppel 40 aufweisen. Das zweite Auslegerrohr 30 ist dabei im Wesentlichen senkrecht zur Koppel 40 ausgerichtet, und beschreibt mit seiner Spitze 42 eine Koppelkurve, die aus der stets waagerechten Ausrichtung beim Verschwenken des ersten Auslegerrohrs 26 resultiert.The rotary distributor 10 includes a two-armed boom 20, which is arranged around a frame-fixed horizontal axis 24 rotatably mounted on the support frame 14 in the region of its input end end 22 and a pivotable about a horizontal pivot axis 28 in the region of the output side end 25 of its first boom tube 26, comprising second boom tube 30 communicating with first boom tube 26. A special feature of the invention is that the first boom tube 26 in the region of its input end 22 is additionally pivotable about a horizontal axis 32 relative to the support frame 14 and that the second boom tube 30 in addition to a horizontal pivot axis 28 perpendicular axis of rotation 34 relative to the output side End 25 of the first boom tube 26 is rotatable. Parallel guide means 36 are provided between the first and second jib tubes 26, 30, which ensure that the second jib tube 30 is always held in different pivotal positions of the first jib tube 26 in a direction substantially parallel to the setting surface 18. At the same time this means that under the action of the parallel guide means 36 which is perpendicular to the horizontal pivot axis 28 axis of rotation 34 of the second boom tube 30 is held in different pivotal positions of the first boom tube 26 in the frame-fixed vertical axis 24 parallel alignment. The parallel guide means 36 thus form a coupling mechanism in the manner of a parallelogram or a double crank, the aligned parallel to the frame-fixed vertical axis 24 web 38 and a parallel to the arranged at the output end 25 of the first boom tube 26 axis of rotation 34 of the second boom tube 30 aligned coupling 40. The second boom tube 30 is aligned substantially perpendicular to the coupling 40, and describes with its tip 42 a coupling curve, which results from the always horizontal alignment during pivoting of the first boom tube 26.

Zur Richtungsstabilisierung des zweiten Auslegerrohrs 30 in seiner zur Aufstellfläche 18 parallelen Position ist bei den Ausführungsbeispielen nach Fig. 1 und 3 zusätzlich ein Spannglied 70 vorgesehen, das sich vom freien Ende der Koppel 40 aus schräg zum zweiten Auslegerrohr 30 hin erstreckt und an diesem fixiert ist. Das zweite Auslegerrohr 30 kann zur weiteren Verstärkung außerdem noch mit einer Tragleiste 72 verbunden werden, die dafür sorgt, dass das zweite Auslegerrohr 30 unter der Last des durchströmenden Frischbetons nicht durchgebogen wird.For directional stabilization of the second boom tube 30 in its parallel to the footprint 18 position is in the embodiments according to Fig. 1 and 3 In addition, a clamping member 70 is provided which extends from the free end of the coupling 40 from obliquely to the second boom tube 30 and is fixed thereto. The second boom tube 30 can also be connected to a further reinforcement with a support bar 72, which ensures that the second boom tube 30 is not bent under the load of fresh concrete flowing through.

An seiner freien Spitze 42 mündet das zweite Auslegerrohr 30 über einen 90°-Krümmer 44 in einen nach unten hängenden Endschlauch 46, über welchen der Beton bequem auf die Betonierstelle ausgebracht werden kann.At its free tip 42, the second boom tube 30 opens via a 90 ° bend 44 in a downwardly hanging end hose 46, through which the concrete can be conveniently applied to the concreting.

In Fig. 2 ist erkennbar, dass der Ausleger 20 aus selbsttragenden Auslegerrohren 26,30 zusammengesetzt ist. Dabei ist das erste Auslegerrohr 26 über insgesamt vier Rohrkrümmer 48 und fünf Rohrkupplungen 50 an ein gestellfestes Rohrstück 52 angeschlossen. Zwei der Rohrkupplungen sind dabei als Drehkupplungen 50',50" mit zueinander senkrecht ausgerichteten Drehachsen 24,32 ausgebildet. Dabei bildet eine der Drehkupplungen 50' die Hochachse 24, während die andere Drehkupplung 50" die Horizontalachse 32 des ersten Auslegerrohrs 26 gegenüber dem Traggestell 14 bildet. Weiter ist bei dem in Fig. 2 gezeigten Ausführungsbeispiel das zweite Auslegerrohr 30 an seinem eingangsseitigen Ende 54 über fünf Rohrkrümmer 56 und sechs Rohrkupplungen 58 an das ausgangsseitige Ende 25 des ersten Auslegerrohrs 26 angeschlossen, wobei die Rohrkupplung 58' als Drehkupplung die horizontale Schwenkachse 28 und eine andere Drehkupplung (nicht dargestellt) die hierzu senkrechte Drehachse 34 zwischen dem ersten und dem zweiten Auslegerrohr 26,30 bilden.In Fig. 2 It can be seen that the boom 20 is composed of self-supporting boom tubes 26,30. In this case, the first boom pipe 26 is connected via a total of four pipe bend 48 and five pipe couplings 50 to a frame-fixed pipe section 52. Two of the pipe couplings are in this case designed as rotary couplings 50 ', 50 "with mutually perpendicularly oriented axes of rotation 24, 32. One of the rotary couplings 50' forms the vertical axis 24, while the other rotary coupling 50" forms the horizontal axis 32 of the first boom pipe 26 relative to the supporting frame 14 forms. Next is at the in Fig. 2 shown embodiment, the second boom tube 30 at its input end 54 via five pipe elbow 56 and six pipe couplings 58 connected to the output side end 25 of the first boom tube 26, wherein the pipe coupling 58 'as a rotary joint, the horizontal pivot axis 28 and another rotary coupling (not shown) the for this purpose form a vertical axis of rotation 34 between the first and the second boom tube 26,30.

Im Bereich des eingangsseitigen Endes 22 des ersten Auslegerrohrs 26 befindet sich ein mit diesem um die gestellfeste Hochachse 24 mitdrehender Ballastausleger 60, der für die Standfestigkeit des Rundverteilers 10 auf der Aufstellfläche 18 notwendig ist.In the area of the input-side end 22 of the first boom tube 26 there is a ballast boom 60, which rotates about the frame-fixed vertical axis 24 and is necessary for the stability of the rotary distributor 10 on the installation surface 18.

Eine weitere Besonderheit der Erfindung besteht darin, dass das erste Auslegerrohr 26 mittels einer Liftvorrichtung 62 um seine eingangsseitige Horizontalachse 32 unter Anheben oder Absenken des zweiten Auslegerrohrs 30 gegenüber dem Traggestell 14 verschwenkbar ist. Bei dem in Fig. 1 und 3 gezeigten Ausführungsbeispiel weist die Liftvorrichtung 62 ein zwischen dem ersten Auslegerrohr 26 und dem Ballastausleger 60 eingespanntes, unter Verschwenken des ersten Auslegerrohrs 26 um seine Horizontalachse 32 mechanisch betätigbares Spann- oder Zugglied 64 auf. Die Liftvorrichtung 62 besteht bei diesem Ausführungsbeispiel aus einem am Ballastausleger 60 angelenkten zweiarmigen Hebel 66, dessen Lastarm 66' über das Spann- oder Zugglied 64 mit dem ersten Auslegerrohr 26 verbunden ist und dessen Kraftarm 66" mit einem am Ballastausleger 60 abgestützten, als Hydraulikzylinder ausgebildeten Antriebsmechanismus 68 gekoppelt ist. Hierbei handelt es sich nur um ein spezielles Ausführungsbeispiel für die Betätigung des Auslegers 10. Das Anheben des ersten Auslegerrohrs26 kann auch noch anders bewerkstelligt werden. So kann beispielsweise die Liftvorrichtung 62 einen am Ballastausleger 60 oder am Steg 38 des Viergelenkgetriebes angelenkten, über einen Antriebsmechanismus 68 beweglichen Hebel aufweisen, dessen freies Hebelende über das Spann- oder Zugglied 64 mit dem ersten Auslegerrohr 26 verbunden ist. Grundsätzlich kann das Anheben und Absenken des ersten Auslegerarms 26 auch von Hand vorgenommen werden. Zusammenfassend ist Folgendes festzustellen: Die Erfindung bezieht sich auf einen Rundverteiler nach Anspruch 1.Another special feature of the invention is that the first boom tube 26 by means of a lifting device 62 about its input-side horizontal axis 32 under raising or lowering of the second boom tube 30 relative to the support frame 14 is pivotable. At the in Fig. 1 and 3 In the exemplary embodiment shown, the lifting device 62 has a tensioning or tensioning element 64 clamped between the first extension tube 26 and the ballast extension 60 and pivotable about the horizontal axis 32 by pivoting the first delivery tube 26. The lifting device 62 in this embodiment consists of a two-armed lever 66 which is articulated on the ballast arm 60 and whose load arm 66 'is connected via the tension or tension member 64 to the first boom tube 26 and the latter Power arm 66 "is coupled to a supported on the ballast arm 60, designed as a hydraulic cylinder drive mechanism 68. This is only a special embodiment for the operation of the boom 10. The lifting of the first boom tube 26 can also be done otherwise Lifting device 62 comprises a lever which is articulated on the ballast arm 60 or on the web 38 of the four-bar mechanism and which is movable by means of a drive mechanism 68 whose free lever end is connected to the first boom tube 26 via the tensioning or pulling member 64. In principle, the raising and lowering of the first extension arm 26 can take place In summary, the following is to be stated: The invention relates to a rotary distributor according to claim 1.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
RundverteilerMechanical distributor
1212
Austrittsstelleexit site
1414
Traggestellsupporting frame
1616
Schwenkbeineswivel legs
1818
Aufstellflächefootprint
2020
zweiarmiger Auslegertwo-armed outrigger
2222
eingangsseitiges Endeinput end
2424
Horizontalachse/Drehachse/HochachseHorizontal axis / rotary axis / vertical axis
2525
ausgangsseitiges Endeoutput end
2626
erstes Auslegerrohrfirst boom tube
2828
horizontale Schwenkachsehorizontal swivel axis
3030
zweites Auslegerrohrsecond boom tube
3232
Horizontalachse/DrehachseHorizontal axis / rotational axis
3434
senkrechte Drehachsevertical axis of rotation
3636
ParallelführungsmittelParallel guide means
3838
Stegweb
4040
Koppelpaddock
4242
Spitzetop
4444
90°-Krümmer90 ° elbow
4646
Endschlauchend hose
4848
Rohrkrümmerelbow
5050
Rohrkupplungpipe coupling
50',50"50 ', 50 "
Drehkupplungrotary joint
5252
Rohrstückpipe section
5454
eingangsseitiges Endeinput end
5656
Rohrkrümmerelbow
5858
Rohrkupplungpipe coupling
58'58 '
Drehkupplungrotary joint
6060
Ballastauslegerballast boom
6262
Liftvorrichtunglift device
6464
Spann- oder ZuggliedTension or tension member
6666
zweiarmiger Hebeltwo-armed lever
66'66 '
Lastarmload arm
66"66 "
Kraftarmpower arm
6868
Antriebsmechanismusdrive mechanism
7070
Spanngliedtendon
7272
Tragleistesupporting strip

Claims (11)

  1. Arrangement for discharging concrete on a building site, comprising a stationary concrete pump and a rotary distributor, which is connected to the stationary concrete pump by a delivery line, for thick matter, in particular for fresh concrete, with a supporting frame (14) which is mountable on a mounting surface (18), with a first extension arm tube (26) which is arranged in the region of the input-side end (22) thereof on the supporting frame (14) so as to be rotatable about a frame-mounted vertical axis (24) and is chargeable there under pressure with the thick matter, and with a second extension arm tube (30) which is arranged in the region of the output-side end (25) of the first extension arm tube (26) so as to be pivotable about a horizontal pivot axis (28) and communicates with the first extension arm tube (26), wherein the first extension arm tube (26) is additionally pivotable in the region of the input-side end (22) thereof about a horizontal axis (32) in relation to the supporting frame (14), characterized in that the second extension arm tube (30) is additionally rotatable about an axis of rotation (34), which is perpendicular to the horizontal pivot axis (28), in relation to the output-side end (25) of the first extension arm tube (26) and to the supporting frame (14), and in that parallel guide means (36) are provided between the first and the second extension arm tube (26, 30), which parallel guide means are determined and suitable in order to hold the axis of rotation (34) of the second extension arm tube (30), which axis of rotation is perpendicular to the horizontal pivot axis (28), in an alignment parallel to the frame-mounted vertical axis (24) in different pivoted positions of the first extension arm tube (26).
  2. Arrangement according to Claim 1, characterized in that the parallel guide means (36) have a web (38) aligned parallel to the frame-mounted vertical axis (24), and a coupler (40) of a four-bar linkage mechanism in the manner of a double crank, which coupler is aligned parallel to the axis of rotation (34) of the second extension arm tube (30), which axis of rotation is arranged at the output-side end (25) of the first extension arm tube (26), and in that the second extension arm tube (30) is aligned substantially perpendicular to the coupler (40) of the four-bar linkage mechanism.
  3. Arrangement according to either of Claims 1 and 2, characterized in that a ballast extension arm (60) which rotates together with the first extension arm tube (26) about the frame-mounted vertical axis (24) is arranged in the region of the input-side end (22) of said first extension arm tube (26).
  4. Arrangement according to one of Claims 1 to 3, characterized in that the first extension arm tube (26) is pivotable about the input-side horizontal axis (32) thereof by means of a lifting apparatus (62) with the second extension arm tube (30) being raised or lowered in relation to the supporting frame (14).
  5. Arrangement according to Claim 4, characterized in that the lifting apparatus (62) has a tensioning or tension member (64) which is clamped between the first extension arm tube (26) and the ballast extension arm (60) and is mechanically actuatable by the first extension arm tube (26) being pivoted about the horizontal axis (32) thereof.
  6. Arrangement according to Claim 5, characterized in that the lifting apparatus (62) has a lever (66) which is coupled to the ballast extension arm (60) or to the web (38) of the four-bar linkage mechanism, is movable via a drive mechanism (68) and the free lever end of which is connected to the first extension arm tube (26) via the tensioning or tension member (64).
  7. Arrangement according to Claim 5 or 6, characterized in that the lifting apparatus (62) has a two-armed lever (66) which is arranged on the ballast extension arm (60), and the load arm (66') of which is connected to the first extension arm tube (26) via the tensioning or tension member (64) and the force arm (66") of which is coupled to a drive mechanism (68) which is supported on the ballast extension arm (60) and is preferably configured as a hydraulic cylinder.
  8. Arrangement according to one of Claims 1 to 7, characterized in that the first extension arm tube (26) is connected to a frame-mounted tube length (52) via at least two tube bends (48) and a corresponding number of tube couplings (50), wherein two of the tube couplings (50) are configured as rotary couplings (50', 50") with axes of rotation (24, 32) aligned perpendicular to each other.
  9. Arrangement according to Claim 8, characterized in that one of the rotary couplings (50') forms the vertical axis (24), and the other rotary coupling (50") forms the horizontal axis (32), of the first extension arm tube (26) in relation to the supporting frame (14).
  10. Arrangement according to one of Claims 1 to 9, characterized in that the second extension arm tube (30) is connected at the input-side end (54) thereof to the output-side end (25) of the first extension arm tube (26) via at least two tube bends (56) and a corresponding number of tube couplings (58), wherein two of the tube couplings are configured as rotary couplings (58') with axes of rotation (28, 34) aligned perpendicular to each other.
  11. Arrangement according to Claim 10, characterized in that one of the rotary couplings (58') forms the horizontal pivot axis (28) and the other rotary coupling forms the axis of rotation (34), which is perpendicular with respect to said pivot axis, between the first and the second extension arm tube (26, 30).
EP13726509.6A 2012-07-24 2013-05-31 Rotary distributor for thick matter Not-in-force EP2877651B1 (en)

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DE102012212916.2A DE102012212916A1 (en) 2012-07-24 2012-07-24 Rotary distributor for thick materials
PCT/EP2013/061278 WO2014016022A1 (en) 2012-07-24 2013-05-31 Rotary distributor for thick matter

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EP (1) EP2877651B1 (en)
JP (1) JP6134794B2 (en)
KR (1) KR20150033636A (en)
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CN104487638A (en) 2015-04-01
DE102012212916A1 (en) 2014-01-30
JP2015528076A (en) 2015-09-24
WO2014016022A1 (en) 2014-01-30
JP6134794B2 (en) 2017-05-24
EP2877651A1 (en) 2015-06-03
US20150225970A1 (en) 2015-08-13
KR20150033636A (en) 2015-04-01
CN105839923A (en) 2016-08-10

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