EP2235276B1 - Lattice support structure - Google Patents

Lattice support structure Download PDF

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Publication number
EP2235276B1
EP2235276B1 EP09704948.0A EP09704948A EP2235276B1 EP 2235276 B1 EP2235276 B1 EP 2235276B1 EP 09704948 A EP09704948 A EP 09704948A EP 2235276 B1 EP2235276 B1 EP 2235276B1
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EP
European Patent Office
Prior art keywords
support structure
lattice support
struts
accordance
lattice
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EP09704948.0A
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German (de)
French (fr)
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EP2235276A2 (en
Inventor
Kamal Daas
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Prodelta Investments BV
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Prodelta Investments BV
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
    • E04H12/187—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic with hinged sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02—Structures made of specified materials
    • E04H12/08—Structures made of specified materials of metal
    • E04H12/10—Truss-like structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic

Definitions

  • the present invention relates to a lattice structure.
  • Such lattice structures are known in different embodiments.
  • Such lattice structures bring with it the advantage that the lattice structure can be merged for the purpose of transport and thus takes up little space and must be unfolded shortly before its use in the ready state.
  • Collapsible lattice structures for example, in the US 2005/0262779 A1 and in the US 5,016,418 B1 shown.
  • the present invention has the object of developing such a lattice support structure to the effect that this can be secured particularly easily and safely in its built-up state.
  • the lattice support structure has longitudinal supports which are connected by oblique struts and in the ready state of the lattice structure transversely extending, provided with a hinge struts, wherein the struts are pivotally connected to two preferably adjacent supports in combination at least one connecting strut is provided which connects two non-adjacent, preferably two opposing supports together.
  • the at least one connecting strut and / or at least one associated with this component such as one or more preferably hinged to the connecting strut lever of the lattice structure has fastening means or is in connection with these or is connectable, wherein the fastening means are designed such that they prevent collapse of the unfolded lattice support structure in at least one position.
  • a preferred embodiment of the invention is that the connecting strut is in communication with a first mounting flange and that on the at least one connecting strut, a first and a second lever are hinged, which are in communication with a second fastener and wherein the fastening elements are arranged that they can be connected with each other. In the interconnected state of the fasteners they are locked relative to each other, so that the lattice support structure is secured in the unfolded state.
  • the invention further relates to a lattice support structure having longitudinal supports connected together by oblique struts, one, several or all of the oblique struts communicating with one or both end regions directly or indirectly with at least one of the longitudinal supports in that the oblique strut is displaceable relative to the longitudinal support at least in at least one of the end regions.
  • sliding elements preferably sliding sleeves are provided, which are preferably pivotally connected to an end portion of the oblique struts and run on the longitudinal supports.
  • the obliquely extending strut (s) in one end pivotally with such a sliding element and in its other end region stationary, but are pivotally mounted on the longitudinal supports.
  • the lattice support structure in cross section has a square or rectangular shape, wherein the corners of the square or of the rectangle are formed by the longitudinal supports and wherein the connecting struts are so diagonal that they connect two lying in opposite corners supports together.
  • the at least one connecting strut is pivotally connected to the first fastening element in connection.
  • the lever or levers may pivotally communicate with the second fastener.
  • the fastening elements may be designed such that they can be connected to each other by a clamp or the like. If the lattice structure is completely unfolded, the clamp or other fastener is used to effectively prevent removal of the fasteners and thus folding the lattice support structure.
  • one of the fastening elements has a flange-shaped part and extending from this pin and that the other of the fastening elements has a flanschförmgien part comprising recesses in which the pins can be at least partially received.
  • transverse, provided with a hinge struts are spaced apart in the longitudinal direction and that a connecting element is provided which connects two joints of two such struts or two struts together.
  • At least one blocking element is provided which prevents pivoting of the transverse struts in the ready state of the lattice support work.
  • This locking element can be designed to be self-locking, which means that it moves in its locking position when the lattice structure is fully unfolded.
  • the lattice support structure comprises struts which are designed in the form of a pyramid or in the form of a truncated pyramid. These structures can be arranged simply or in the longitudinal direction of the lattice structure repetitive, wherein in the case of several of these structures, the structures can be arranged the same or in opposite directions.
  • the pyramids or Pyramindenstümpfe are preferably located inside the lattice structure. They may be designed such that the central longitudinal axis of the lattice support structure extends through the tips of these structures.
  • the present invention further relates to a lattice support structure with longitudinally extending supports, which are connected to each other by oblique struts and in the operative state of the lattice structure transversely, provided with a hinge struts, wherein the struts are pivotally connected to two adjacent columns in combination and wherein a central element is provided from which struts extend to the longitudinal supports, wherein the struts extend at least in the operative state of the lattice support structure at an acute angle to the longitudinal supports.
  • This lattice support structure may be designed according to the characterizing part of one of claims 1 to 14.
  • the invention further relates to a lattice support structure with expandable structures, in particular lattice support structure according to one of claims 1 to 16, which is characterized in that the lattice structure has pivotally arranged bars or struts, wherein the pivotable connection is designed such that one of the pivotable with each other connected parts has a projection and that the other of the pivotally connected parts has a limited on three sides by walls groove in which the projection of the other part is pivotally received.
  • These bars or struts may be, for example, the struts of the above-mentioned embodiments of a lattice support structure.
  • the groove bottom thus serves as a boundary, so that a pivoting of the grid bar is only possible as far as possible, until one of said parts rests against the groove bottom. In this position, the grid is thus blocked or further pivoting is not possible.
  • a pivotable connection may be provided where two segments of a grid bar pivotally communicate with each other and / or where a grid bar is hinged to another part of the lattice support structure.
  • the grating bar or the strut can have the projection at its one end region and the said groove at its other end region. In this way it is possible to connect a plurality of bars together or to provide bars of different lengths. In principle, it is also conceivable to carry out both ends of the lattice bar with grooves or with the said projections.
  • the invention further relates to a crane, which consists of one or more lattice structures according to claims 1 to 17, or at least one such supporting structure.
  • FIG. 1 Upper illustration shows the lattice support structure according to the invention in a perspective view in the unfolded state.
  • the lattice structure is square in cross section. The corners of the square are formed by longitudinal supports 10, which are connected by oblique and intersecting struts 20, as can be seen from FIG. 1 evident.
  • the struts 20 are pivotally mounted on the supports 10. They form the outer surface of the structure.
  • a connecting element 90 which has the task to transmit the pivoting movement of a strut 30 on a pivoting movement of the adjacent strut 30.
  • connecting struts 40, 42 are provided, each connecting two diagonally opposite supports of the lattice structure with each other, as is apparent from FIG. 1 evident.
  • the struts 40, 42 are thus in the unfolded state on the front side of the illustrated lattice support structure segment.
  • connecting struts 40, 42 are each pivotable lever in connection, which are hinged to a fastening element 64.
  • the struts 40, 42 are also pivotally connected in its central region with another fastener 62 in connection.
  • FIG. 1 bottom view shows the arrangement in a plan view.
  • FIG. 2 shows the lattice structure according to FIG. 1 in the folded state.
  • This is a lattice structure segment, which can be assembled with other lattice structures.
  • FIG. 3 shows the according to FIG. 1 shown on the right front end portion of the lattice structure in a partially folded state.
  • the two fastening elements 62, 64 are comparatively far apart from each other.
  • the fastener 62 consists of a flange-shaped portion 66 and pins 67 extending vertically therefrom.
  • the fastener 64 is also comprised of a flange-shaped portion 68 and peripheral part-circular recesses 69 sized to receive the pins 67 therein in FIG. 4 is shown. Once this is the case, the clamp 70 is pivoted about the received portions of the pins 67 and around the flange 68 and secured, so that a movement apart of the fastening elements 62 and 64 is excluded.
  • FIG. 6 shows the lattice structure in a side view.
  • FIG. 7 emerges and in detail in FIG. 8 is shown, the transverse in the unfolded state struts 30, which have a joint 32 secured by a pawl 100.
  • This pawl automatically enters its locking position as soon as the struts 30 are swung out into their illustrated position.
  • FIG. 9 shows the lattice structure according to the present invention in a further embodiment.
  • struts 110 are provided which extend from a centrally located element 120 to the longitudinal supports 10. In the ready state, which in FIG. 9 As shown, the struts 110 extend at an acute angle to the longitudinal supports 10.
  • the struts 110 are pivotally mounted on both the supports 10 and the central member 120.
  • this strut arrangement is continued mirror-symmetrically downwards.
  • the struts 110 open in another central element 130.
  • These central elements 120 and 130 can be connected in the mounted state of the lattice structure with those of adjacent segments of the lattice structure, so that there is a continuous system, as in FIG. 12 is shown. In this way it is possible to effect a folding and unfolding of the entire lattice structure by corresponding actuation of the central elements.
  • FIG. 11 shows an embodiment in which this strut arrangement is not repeated downwards, but based on the lattice support structure segment is executed only half-sided.
  • Verbindunsstreben may be provided which extend diagonally between two obliquely opposite supports 10. These connecting struts are in FIG. 10 and 11 designated by the reference numeral 140. These struts can be made according to the above Embodiment also be used to secure the lattice structure in the unfolded position.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Bridges Or Land Bridges (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Fencing (AREA)
  • Supports For Plants (AREA)
  • Jib Cranes (AREA)

Description

Die vorliegende Erfindung betrifft ein Gittertragwerk.The present invention relates to a lattice structure.

Derartige Gittertragwerke sind in unterschiedlichen Ausführungsformen bekannt. Es sind Gittertragwerk bekannt, deren äußere Abmessungen durch Zusammenklappen verkleinerbar und durch Auseinanderklappen des Gerüstes des Gittertragwerkes wieder vergößerbar sind.Such lattice structures are known in different embodiments. There are lattice support work known, the outer dimensions are reduced by folding collapsible and by folding apart the framework of the lattice support work again vergößerbar.

Solche Gittertragwerke bringen den Vorteil mit sich, dass das Gittertragwerk zum Zwecke des Transportes zusammengelegt werden kann und damit wenig Platz beansprucht und erst kurz vor dessen Benutzung in den betriebsbereiten Zustand ausgeklappt werden muss.Such lattice structures bring with it the advantage that the lattice structure can be merged for the purpose of transport and thus takes up little space and must be unfolded shortly before its use in the ready state.

Zusammenklappbare Gittertragwerke werden beispielsweise in der US 2005/0262779 A1 und in der US 5,016,418 B1 gezeigt.Collapsible lattice structures, for example, in the US 2005/0262779 A1 and in the US 5,016,418 B1 shown.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein solches Gittertragwerk dahingehend weiterzubilden, dass dieses besonders einfach und sicher in seinem aufgebauten Zustand gesichert werden kann.The present invention has the object of developing such a lattice support structure to the effect that this can be secured particularly easily and safely in its built-up state.

Diese Aufgabe wird durch ein Gittertragwerk mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a lattice support structure with the features of claim 1.

Danach ist vorgesehen, dass das Gittertragwerk längs verlaufende Stützen aufweist, die durch schräg verlaufende Streben sowie im betriebsbereiten Zustand des Gittertragwerks quer verlaufende, mit einem Gelenk versehene Streben miteinander verbunden sind, wobei die Streben schwenkbar mit jeweils zwei vorzugsweise benachbarten Stützen in Verbindung stehen, wobei wenigstens eine Verbindungsstrebe vorgesehen ist, die zwei nicht miteinander benachbarte, vorzugsweise zwei gegenüberliegende Stützen miteinander verbindet. Des weiteren ist vorgesehen, dass die wenigstens eine Verbindungsstrebe und/oder wenigstens ein mit dieser in Verbindung stehendes Bauteil, wie etwa ein oder mehrere vorzugsweise an der Verbindungsstrebe angelenkte Hebel, des Gittertragwerks über Befestigungsmittel verfügt oder mit diesen in Verbindung steht oder verbindbar ist, wobei die Befestigungsmittel derart ausgeführt sind, dass sie in wenigstens einer Position ein Zusammenklappen des ausgefalteten Gittertragwerkes verhindern.Thereafter, it is provided that the lattice support structure has longitudinal supports which are connected by oblique struts and in the ready state of the lattice structure transversely extending, provided with a hinge struts, wherein the struts are pivotally connected to two preferably adjacent supports in combination at least one connecting strut is provided which connects two non-adjacent, preferably two opposing supports together. Furthermore, it is provided that the at least one connecting strut and / or at least one associated with this component, such as one or more preferably hinged to the connecting strut lever of the lattice structure has fastening means or is in connection with these or is connectable, wherein the fastening means are designed such that they prevent collapse of the unfolded lattice support structure in at least one position.

Dabei besteht eine bevorzugte Ausgestaltung der Erfindung darin, dass die Verbindungsstrebe mit einem ersten Befestigungsflansch in Verbindung steht und dass an der wenigstens einen Verbindungsstrebe ein erster und ein zweiter Hebel angelenkt sind, die mit einem zweiten Befestigungselement in Verbindung stehen und wobei die Befestigungselemente derart angeordnet sind, dass sie miteinander verbunden werden können. Im miteinander verbundenen Zustand der Befestigungselemente sind diese relativ zueinander arretiert, so dass das Gittertragwerk im ausfalteten Zustand gesichert ist.In this case, a preferred embodiment of the invention is that the connecting strut is in communication with a first mounting flange and that on the at least one connecting strut, a first and a second lever are hinged, which are in communication with a second fastener and wherein the fastening elements are arranged that they can be connected with each other. In the interconnected state of the fasteners they are locked relative to each other, so that the lattice support structure is secured in the unfolded state.

Im zusammengeklappten Zustand des Gittertragwerkes stehen die Hebel von der oder den Verbindungsstreben vergleichsweise weit ab. Dementsprechend sind die beiden Befestigungselemente verhältnismäßig weit voneinander beabstandet.In the folded state of the lattice structure, the levers of the connecting struts or the comparatively far from. Accordingly, the two fastening elements are relatively far apart.

Wird das Gittertragwerk in seine Betriebsposition gebracht, verkleinert sich der Winkel zwischen den Hebeln und den Verbindungsstreben, wodurch die Befestigungselemente aufeinander zubewegt werden können und nach Erreichen ihrer Endposition in geeigneter Weise gesichert werden können.When the truss structure is brought into its operating position, the angle between the levers and the connecting struts decreases, as a result of which the fastening elements can be moved toward one another and secured in an appropriate manner after reaching their final position.

In diesem Zustand ist das gesamte Gittertragwerk gegen Zusammenklappen gesichert, da die Befestigungselemente verhindern, dass die Verbindungsstreben und damit das gesamte Gittertragwerk zusammengeklappt werden können.In this state, the entire lattice structure is secured against folding, as the fasteners prevent the connecting struts and thus the entire lattice structure can be folded.

Die Erfindung betrifft des Weiteren ein Gittertragwerk mit längs verlaufenden Stützen, die durch schräg verlaufende Streben miteinander verbunden sind, wobei eine, mehrere oder alle der schräg verlaufenden Streben mit einem oder beiden Endbereichen derart unmittelbar oder mittelbar mit wenigstens einer der längs verlaufenden Stützten in Verbindung stehen, dass die schräg verlaufende Strebe relativ zu der längs verlaufenden Stütze zumindest in wenigstens einem der Endbereiche verschiebbar ist. Denkbar ist es, dass Gleitelemente, vorzugsweise Gleithülsen vorgesehen sind, die vorzugsweise schwenkbar, mit einem Endbereich der schräg verlaufenden Streben verbunden sind und die auf den längs verlaufenden Stützen laufen. In einer möglichen Ausgestaltung ist vorgesehen, dass die schräg verlaufenden Strebe(n) in einem Endbereich schwenkbar mit einem solchen Gleitelement und in ihrem anderen Endbereich ortfest, jedoch schwenkbar an den längs verlaufenden Stützen angeordnet sind.The invention further relates to a lattice support structure having longitudinal supports connected together by oblique struts, one, several or all of the oblique struts communicating with one or both end regions directly or indirectly with at least one of the longitudinal supports in that the oblique strut is displaceable relative to the longitudinal support at least in at least one of the end regions. It is conceivable that sliding elements, preferably sliding sleeves are provided, which are preferably pivotally connected to an end portion of the oblique struts and run on the longitudinal supports. In one possible embodiment, it is provided that the obliquely extending strut (s) in one end pivotally with such a sliding element and in its other end region stationary, but are pivotally mounted on the longitudinal supports.

Auch beliebige Kombinationen der oben beschriebenen Ausgestaltungen eines Gittertragwerkes bzw. von deren Merkmalen sind von der Erfindung umfaßt.Any combinations of the above-described embodiments of a lattice support structure or of their features are encompassed by the invention.

Es können zwei z. B. über Kreuz verlaufende Verbindungsstreben vorgesehen sein, die beide mit dem ersten Befestigungselement in Verbindung stehen.It can be two z. B. cross-extending connecting struts may be provided, both of which are in communication with the first fastener.

Denkbar ist es, dass das Gittertragwerk im Querschnitt eine quadratische oder rechteckige Gestalt aufweist, wobei die Ecken des Quadrates oder des Rechteckes durch die längs verlaufenden Stützen gebildet werden und wobei die Verbindungsstreben derart diagonal verlaufen, dass sie zwei in gegenüberliegenden Ecken liegende Stützen miteinander verbinden.It is conceivable that the lattice support structure in cross section has a square or rectangular shape, wherein the corners of the square or of the rectangle are formed by the longitudinal supports and wherein the connecting struts are so diagonal that they connect two lying in opposite corners supports together.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass die wenigstens eine Verbindungsstrebe schwenkbar mit dem ersten Befestigungselement in Verbindung steht.In a further embodiment of the invention it is provided that the at least one connecting strut is pivotally connected to the first fastening element in connection.

Der oder die Hebel können schwenkbar mit dem zweiten Befestigungselement in Verbindung stehen.The lever or levers may pivotally communicate with the second fastener.

Die Befestigungselemente können derart ausgeführt sein, da sie durch eine Schelle oder dergleichen miteinander verbunden werden können. Ist das Gittertragwerk vollständig auseinander geklappt, dient die Schelle oder auch ein anderes Befestigungselement dazu, ein Entfernen der Befestigungselemente und damit ein Zusammenklappen des Gittertragwerkes wirksam zu verhindern.The fastening elements may be designed such that they can be connected to each other by a clamp or the like. If the lattice structure is completely unfolded, the clamp or other fastener is used to effectively prevent removal of the fasteners and thus folding the lattice support structure.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass eines der Befestigungselemente einen flanschförmigen Teil und sich von diesem erstreckende Zapfen aufweist und dass das andere der Befestigungselemente einen flanschförmgien Teil aufweist, der Ausnehmungen umfasst, in denen die Zapfen wenigstens teilweise aufgenommen werden können.In a further embodiment of the invention it is provided that one of the fastening elements has a flange-shaped part and extending from this pin and that the other of the fastening elements has a flanschförmgien part comprising recesses in which the pins can be at least partially received.

Weiterhin kann vorgesehen sein, dass die quer verlaufenden, mit einem Gelenk versehenen Streben in Längsrichtung voneinander beabstandet sind und dass ein Verbindungselement vorgesehen ist, das zwei Gelenke zweier derartiger Streben bzw. zwei Streben miteinander verbindet.Furthermore, it can be provided that the transverse, provided with a hinge struts are spaced apart in the longitudinal direction and that a connecting element is provided which connects two joints of two such struts or two struts together.

Dies führt dazu, dass die Bewegung einer Strebe mittels des Verbindungselementes zu einer entsprechenden Bewegung der benachbarten Strebe führt.This results in that the movement of a strut by means of the connecting element leads to a corresponding movement of the adjacent strut.

Weiterhin kann vorgesehen sein, dass wenigstens ein Sperrelement vorgesehen ist, das im betriebsbereiten Zustand des Gittertragwerkes ein Einschwenken der quer verlaufenden Streben verhindert. Dieses Sperrelement kann selbstarretierend ausgeführt sein, was bedeutet, dass es in seiner Arretierungsposition verfährt, wenn das Gittertragwerk vollständig ausgeklappt ist.Furthermore, it can be provided that at least one blocking element is provided which prevents pivoting of the transverse struts in the ready state of the lattice support work. This locking element can be designed to be self-locking, which means that it moves in its locking position when the lattice structure is fully unfolded.

In weiterer Ausgestaltung der Erfindung ist vorgesehen, dass das Gittertragwerk Streben aufweist, die in Form einer Pyramide oder in Form eines Pyramidenstumpfes ausgeführt sind. Diese Strukturen können einfach oder sich in Längsrichtung des Gittertragwerkes wiederholend angeordnet sein, wobei im Falle mehrerer dieser Strukturen die Strukturen gleich- oder gegensinnig angeordnet sein können. Die Pyramiden oder Pyramindenstümpfe befinden sich vorzugsweise im Inneren des Gittertragwerkes. Sie können derart ausgeführt sein, dass sich mittlere Längsachse des Gittertragwerkes durch die Spitzen dieser Strukturen erstreckt.In a further embodiment of the invention it is provided that the lattice support structure comprises struts which are designed in the form of a pyramid or in the form of a truncated pyramid. These structures can be arranged simply or in the longitudinal direction of the lattice structure repetitive, wherein in the case of several of these structures, the structures can be arranged the same or in opposite directions. The pyramids or Pyramindenstümpfe are preferably located inside the lattice structure. They may be designed such that the central longitudinal axis of the lattice support structure extends through the tips of these structures.

Die vorliegende Erfindung betrifft des Weiteren ein Gittertragwerk mit längs verlaufenden Stützten, die durch schräg verlaufende Streben sowie im betriebsbereiten Zustand des Gittertragwerks quer verlaufende, mit einem Gelenk versehene Streben miteinander verbunden sind, wobei die Streben schwenkbar mit jeweils zwei benachbarten Stützen in Verbindung stehen und wobei ein zentrales Element vorgesehen ist, von dem ausgehend sich Streben zu den längs verlaufenden Stützen erstrecken, wobei sich die Streben zumindest im betriebsbereiten Zustand des Gittertragwerkes in einem spitzen Winkel zu den längs verlaufenden Stützen erstrecken.The present invention further relates to a lattice support structure with longitudinally extending supports, which are connected to each other by oblique struts and in the operative state of the lattice structure transversely, provided with a hinge struts, wherein the struts are pivotally connected to two adjacent columns in combination and wherein a central element is provided from which struts extend to the longitudinal supports, wherein the struts extend at least in the operative state of the lattice support structure at an acute angle to the longitudinal supports.

Dieses Gittertragwerk kann gemäß dem kennzeichnenden Teil eines der Ansprüche 1 bis 14 ausgeführt sein.This lattice support structure may be designed according to the characterizing part of one of claims 1 to 14.

Die Erfindung betrifft des Weiteren ein Gittertragwerk mit aufspreizbaren Strukturen, insbesondere Gittertragwerk nach einem der Ansprüche 1 bis 16, das dadurch gekennzeichnet ist, dass das Gittertragwerk schwenkbar angeordnete Gitterstäbe bzw. Streben aufweist, wobei die schwenkbare Verbindung derart ausgeführt ist, dass eines der miteinander schwenkbar verbundenen Teile einen Vorsprung aufweist und dass das andere der schwenkbar verbundenen Teile eine auf drei Seiten durch Wandungen begrenzte Nut aufweist, in der der Vorsprung des anderen Teils verschwenkbar aufgenommen ist. Bei diesen Gitterstäben bzw. Streben kann es sich beispielsweise um die Streben der oben genannten Ausführungsformen eines Gittertragwerkes handeln.The invention further relates to a lattice support structure with expandable structures, in particular lattice support structure according to one of claims 1 to 16, which is characterized in that the lattice structure has pivotally arranged bars or struts, wherein the pivotable connection is designed such that one of the pivotable with each other connected parts has a projection and that the other of the pivotally connected parts has a limited on three sides by walls groove in which the projection of the other part is pivotally received. These bars or struts may be, for example, the struts of the above-mentioned embodiments of a lattice support structure.

Der Nutboden dient somit als Begrenzung, so dass ein Verschwenken des Gitterstabes nur soweit möglich ist, bis das eine der genannten Teile an dem Nutboden aufliegt. In dieser Position ist der Gitterstab somit blockiert bzw. ein weiteres Verschwenken ist nicht möglich. Eine derartige schwenkbare Verbindung kann dort vorgesehen sein, wo zwei Segmente eines Gitterstabes schwenkbar miteinander in Verbindung stehen und/oder wo ein Gitterstab an einem anderen Teil des Gittertragwerks angelenkt ist.The groove bottom thus serves as a boundary, so that a pivoting of the grid bar is only possible as far as possible, until one of said parts rests against the groove bottom. In this position, the grid is thus blocked or further pivoting is not possible. Such a pivotable connection may be provided where two segments of a grid bar pivotally communicate with each other and / or where a grid bar is hinged to another part of the lattice support structure.

Der Gitterstab bzw. die Strebe kann an seinem einen Endbereich den Vorsprung und an seinem anderen Endbereich die genannte Nut aufweisen. Auf diese Weise ist es möglich, mehrere Gitterstäbe miteinander zu verbinden bzw. Gitterstäbe unterschiedlicher Länge bereitzustellen. Grundsätzlich ist auch denkbar, beiden Enden des Gitterstabes mit Nuten oder mit den genannten Vorsprüngen auszuführen.The grating bar or the strut can have the projection at its one end region and the said groove at its other end region. In this way it is possible to connect a plurality of bars together or to provide bars of different lengths. In principle, it is also conceivable to carry out both ends of the lattice bar with grooves or with the said projections.

Die Erfindung betrifft des Weiteren einen Kran, der aus einem oder mehreren Gittertragwerken gemäß der Ansprüche 1 bis 17 besteht, oder wenigstens ein derartiges Tragwerk aufweist.The invention further relates to a crane, which consists of one or more lattice structures according to claims 1 to 17, or at least one such supporting structure.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Figur 1:
eine perspektivische sowie eine Draufsicht auf das Gittertragwerk gemäß der Erfindung im ausgeklappten Zustand,
Figur 2:
eine perspektivische Ansicht des Gittertragwerkes gemäß Figur 1 im zusammengeklappten Zustand,
Figuren 3-5:
Detaildarstellungen eines Endbereiches des Gittertragwerkes gemäß Figur 1 und 2,
Figur 6, 7:
Darstellungen des Gittertragwerkes gemäß Figur 1 und 2 in einer Seitenansicht,
Figur 8:
eine Detaildarstellung des Sperrelementes des Gittertragwerkes gemäß Figur 7,
Figur 9, 10:
das Gittertragwerk in weiteren Ausführungsformen gemäß der vorliegenden Erfindung im ausgeklappten Zustand,
Figur 11:
das Gittertragwerk gemäß einer weiteren Ausführungsform gemäß der vorliegenden Erfindung im ausgeklappten Zustand und
Figur 12:
eine Darstellung des Gittertragwerks gemäß der Erfindung entsprechend der Figuren 9 und 10 mit mehreren aneinandergesetzten Gittertragwerksegmenten.
Further details and advantages of the invention will be explained in more detail with reference to an embodiment shown in the drawing. Show it:
FIG. 1:
a perspective and a plan view of the lattice structure according to the invention in the unfolded state,
FIG. 2:
a perspective view of the lattice structure according to FIG. 1 in the folded state,
Figures 3-5:
Detailed representations of an end region of the lattice structure according to FIG. 1 and 2 .
FIG. 6, 7:
Representations of the lattice structure according to FIG. 1 and 2 in a side view,
FIG. 8:
a detailed representation of the blocking element of the lattice support structure according to FIG. 7 .
FIGS. 9, 10:
the lattice structure in further embodiments according to the present invention in the unfolded state,
FIG. 11:
the lattice structure according to another embodiment of the present invention in the unfolded state and
FIG. 12:
a representation of the lattice support structure according to the invention according to the Figures 9 and 10 with several meshed lattice structure segments.

Figur 1, obere Darstellung zeigt das Gittertragwerk gemäß der Erfindung in einer perspektivischen Ansicht im ausgeklappten Zustand. Das Gittertragwerk ist im Querschnitt quadratisch. Die Ecken des Quadrates werden durch längs verlaufende Stützen 10 gebildet, die durch schräg verlaufende und sich kreuzende Streben 20 miteinander verbunden sind, wie dies aus Figur 1 hervorgeht. FIG. 1 , Upper illustration shows the lattice support structure according to the invention in a perspective view in the unfolded state. The lattice structure is square in cross section. The corners of the square are formed by longitudinal supports 10, which are connected by oblique and intersecting struts 20, as can be seen from FIG. 1 evident.

Die Streben 20 sind schwenkbar an den Stützen 10 angeordnet. Sie bilden die Außenfläche des Tragwerkes.The struts 20 are pivotally mounted on the supports 10. They form the outer surface of the structure.

Zwischen den Stützen 10 erstrecken sich darüber hinaus quer verlaufende Streben 30, die mittig mit einem Gelenk 32 versehen sind, das deren Einschwenken ermöglicht.Transverse struts 30, which are provided centrally with a hinge 32, which allows pivoting thereof, also extend between the supports 10.

Zwei in Längsrichtung des Gittertragwerkes benachbarte Streben 30 sind durch ein Verbindungselement 90 miteinander verbunden, das die Aufgabe hat, die Schwenkbewegung einer Strebe 30 auf einer Schwenkbewegung der benachbarten Strebe 30 zu übertragen.Two adjacent struts 30 in the longitudinal direction of the lattice support structure are interconnected by a connecting element 90, which has the task to transmit the pivoting movement of a strut 30 on a pivoting movement of the adjacent strut 30.

Des Weiteren sind Verbindungsstreben 40, 42 vorgesehen, die jeweils zwei diagonal gegenüberliegende Stützen des Gittertragwerkes miteinander verbinden, wie dies aus Figur 1 hervorgeht. Die Streben 40, 42 befinden sich somit im ausgeklappten Zustand auf der Stirnseite des dargestellten Gittertragwerksegmentes.Furthermore, connecting struts 40, 42 are provided, each connecting two diagonally opposite supports of the lattice structure with each other, as is apparent from FIG. 1 evident. The struts 40, 42 are thus in the unfolded state on the front side of the illustrated lattice support structure segment.

In ihren Endbereichen sind sie schwenkbar an den Stützen 10 angeordnet, und zwar auf Höhe der Anlenkung der Streben 30.In their end areas they are pivotally mounted on the supports 10, at the level of the articulation of the struts 30th

Mit den Verbindungsstreben 40, 42 stehen jeweils schwenkbare Hebel in Verbindung, die an einem Befestigungselement 64 angelenkt sind. Die Streben 40, 42 stehen in ihrem mittleren Bereich ebenfalls schwenkbar mit einem weiteren Befestigungselement 62 in Verbindung. Figur 1, untere Darstellung zeigt die Anordnung in einer Draufsicht.With the connecting struts 40, 42 are each pivotable lever in connection, which are hinged to a fastening element 64. The struts 40, 42 are also pivotally connected in its central region with another fastener 62 in connection. FIG. 1 , bottom view shows the arrangement in a plan view.

Die Figur 2 zeigt das Gittertragwerk gemäß Figur 1 im zusammengeklappten Zustand. Es handelt sich hier um ein Gittertragwerksegment, das mit weiteren Gittertragwerken zusammengesetzt werden kann. Dazu dienen die in den Endbereichen der Stützen 10 angeordneten Aufnahmen, wobei die Verbindung zu weiteren Gittertragwerksegmenten z. B. durch Bolzen gesichert werden.The FIG. 2 shows the lattice structure according to FIG. 1 in the folded state. This is a lattice structure segment, which can be assembled with other lattice structures. Serve the arranged in the end regions of the supports 10 shots, the connection to other lattice support structure segments z. B. be secured by bolts.

Figur 3 zeigt den gemäß Figur 1 rechts dargestellten stirnseitigen Endabschnitt des Gittertragwerkes in einem teilweise zusammengeklappten Zustand. FIG. 3 shows the according to FIG. 1 shown on the right front end portion of the lattice structure in a partially folded state.

Aus dieser Zeichnung ist ersichtlich, dass die Hebel 50 in diesem Zustand in einem vergleichsweise großem Winkel von den Verbindungsstreben 40, 42 abstehen.It can be seen from this drawing that the levers 50 in this state protrude from the connecting struts 40, 42 at a comparatively large angle.

Die beiden Befestigungselemente 62, 64 sind vergleichsweise weit voneinander beabstandet.The two fastening elements 62, 64 are comparatively far apart from each other.

Wird das Gittertragwerk nun ausgehend von dieser Position ausgeklappt, ergibt sich die in Figur 4 dargestellte Position. Die Hebel 50 liegen nun in etwa parallel oder in einem spitzen Winkel zu den Verbindungsstreben 40, 42 und der Abstand der Befestigungselemente 62, 64 zueinander ist vergleichsweise gering.If the lattice structure now unfolded starting from this position, the results in FIG. 4 shown position. The levers 50 are now approximately parallel or at an acute angle to the connecting struts 40, 42 and the distance between the fastening elements 62, 64 to each other is comparatively low.

Das Befestigungselement 62 besteht aus einem flanschförmigen Abschnitt 66 und sich davon vertikal erstreckenden Zapfen 67. Das Befestigungselement 64 besteht ebenfalls aus einem flanschförmigen Abschnitt 68 und teilkreisförmigen Ausnehmungen 69 am Umfang, die derart dimensioniert sind, dass die Zapfen 67 darin aufgenommen werden können, wie dies in Figur 4 dargestellt ist. Sobald dies der Fall ist, wird die Schelle 70 um die aufgenommenen Abschnitte der Zapfen 67 und um den Flansch 68 herumgeschwenkt und gesichert, so dass ein Auseinanderbewegen der Befestigungselemente 62 und 64 ausgeschlossen ist.The fastener 62 consists of a flange-shaped portion 66 and pins 67 extending vertically therefrom. The fastener 64 is also comprised of a flange-shaped portion 68 and peripheral part-circular recesses 69 sized to receive the pins 67 therein in FIG. 4 is shown. Once this is the case, the clamp 70 is pivoted about the received portions of the pins 67 and around the flange 68 and secured, so that a movement apart of the fastening elements 62 and 64 is excluded.

Diesen Zustand zeigt Figur 5.This state shows FIG. 5 ,

Figur 6 zeigt das Gittertragwerk in einer Seitenansicht. FIG. 6 shows the lattice structure in a side view.

Wie dies aus Figur 7 hervorgeht und im Detail in Figur 8 dargestellt ist, können die im ausgeklappten Zustand quer verlaufenden Streben 30, die über ein Gelenk verfügen 32 durch eine Sperrklinge 100 gesichert werden. Diese Sperrklinke tritt selbsttätig in ihre arretierende Position ein, sobald die Streben 30 in ihre dargestellte Position ausgeschwenkt sind.Like this FIG. 7 emerges and in detail in FIG. 8 is shown, the transverse in the unfolded state struts 30, which have a joint 32 secured by a pawl 100. This pawl automatically enters its locking position as soon as the struts 30 are swung out into their illustrated position.

Zum Lösen wird die Sperrklinke 100 betätigt, woraufhin das Verschwenken der Streben 30 um das Gelenk 32 und damit auch das Zusammenklappen des Gittertragwerkes möglich ist.To release the pawl 100 is actuated, whereupon the pivoting of the struts 30 about the hinge 32 and thus the folding of the lattice support structure is possible.

Figur 9 zeigt das Gittertragwerk gemäß der vorliegenden Erfindung in einer weiteren Ausführungsform. In dieser Ausführungsform sind Streben 110 vorgesehen, die sich von einem zentral angeordneten Element 120 zu den längs verlaufenden Stützen 10 erstrecken. Im betriebsbereiten Zustand, der in Figur 9 dargestellt ist, erstrecken sich die Streben 110 im spitzen Winkel zu den längs verlaufenden Stützen 10. Die Streben 110 sind schwenkbar sowohl an den Stützen 10 als auch an dem zentralen Element 120 angeordnet. FIG. 9 shows the lattice structure according to the present invention in a further embodiment. In this embodiment, struts 110 are provided which extend from a centrally located element 120 to the longitudinal supports 10. In the ready state, which in FIG. 9 As shown, the struts 110 extend at an acute angle to the longitudinal supports 10. The struts 110 are pivotally mounted on both the supports 10 and the central member 120.

Wie dies des Weiteren aus Figur 9 hervorgeht, ist diese Strebenanordnung spiegelsymmetrisch nach unten fortgesetzt. Dort münden die Streben 110 in einem weiteren zentralen Element 130. Diese zentralen Elemente 120 und 130 können im montierten Zustand des Gittertragwerks mit denen benachbarter Segmente des Gittertragwerkes verbunden werden, so dass sich ein durchgängiges System ergibt, wie dies in Figur 12 dargestellt ist. Auf diese Weise ist es möglich, ein Ein- und Ausklappen des gesamten Gittertragwerkes durch entsprechende Betätigung der zentralen Elemente zu bewirken.Like this further out FIG. 9 As can be seen, this strut arrangement is continued mirror-symmetrically downwards. There, the struts 110 open in another central element 130. These central elements 120 and 130 can be connected in the mounted state of the lattice structure with those of adjacent segments of the lattice structure, so that there is a continuous system, as in FIG. 12 is shown. In this way it is possible to effect a folding and unfolding of the entire lattice structure by corresponding actuation of the central elements.

Figur 11 zeigt ein Ausführungsbeispiel, bei dem sich diese Strebenanordnung nicht nach unten wiederholt, sondern bezogen auf das Gittertragwerksegment nur halbseitig ausgeführt ist. FIG. 11 shows an embodiment in which this strut arrangement is not repeated downwards, but based on the lattice support structure segment is executed only half-sided.

Wie dies aus einem Vergleich der Figuren 9 und 10 schließlich weiter hervorgeht, können auch bei dieser Ausführungsform der Erfindung Verbindunsstreben vorgesehen sein, die sich diagonal zwischen zwei schräg gegenüberliegenden Stützen 10 erstrecken. Diese Verbindungsstreben sind in Figur 10 und 11 mit dem Bezugszeichen 140 gekennzeichnet. Diese Streben können entsprechend dem oben dargestellten Ausführungsbeispiel ebenfalls dazu herangezogen werden, das Gittertragwerk in der ausgefalteten Position zu sichern.Like this from a comparison of Figures 9 and 10 Finally, it can also be seen in this embodiment of the invention Verbindunsstreben may be provided which extend diagonally between two obliquely opposite supports 10. These connecting struts are in FIG. 10 and 11 designated by the reference numeral 140. These struts can be made according to the above Embodiment also be used to secure the lattice structure in the unfolded position.

Claims (12)

  1. A lattice support structure having longitudinally extending supports (10) which are connected to one another by obliquely extending struts (20) and are also connected to one another in the state of the lattice support structure ready for operation by transversely extending struts (30) provided with a joint (32), with the struts (20, 30) being pivotably connected to two respective preferably adjacent supports (10),
    characterized in that
    at least one connection strut (40) having a first and a second lever (50) pivotally connected thereto is provided which connects two supports (10) to one another which are not adjacent to one another and which are preferably disposed opposite one another,
    the lattice support structure comprises fastening means having a first (62) and second fastening element (64) being made such that they prevent a folding together of the lattice support structure in at least one position,
    the connection strut (40) is connected to the first fastening element (62),
    the first and the second lever (50) are connected to the second fastening element (64) and
    the fastening elements (62, 64) are arranged such that they can be connected to one another.
  2. A lattice support structure in accordance with claim 1, characterized in that two connection struts (40, 42) are provided which are both connected to the first fastening element (62).
  3. A lattice support structure in accordance with claim 1 or 2, characterized in that the at least one connection strut (40, 42) is pivotably connected to the first fastening element (62).
  4. A lattice support structure in accordance with one of the preceding claims, characterized in that the levers (50) are pivotably connected to the second fastening element (64).
  5. A lattice support structure in accordance with one of the preceding claims, characterized in that the fastening means or the fastening elements (62, 64) are made such that they can be connected to one another by a clip (70).
  6. A lattice support structure in accordance with one of the preceding claims, characterized in that one of the fastening elements (62) of the fastening means has a flange-like part (66) and pins (67) extending from it; and in that the other one of the fastening elements (64) of the fastening means has a flange-like part (68) which has cut-outs (69) in which the pins (67) can be at least partially received.
  7. A lattice support structure in accordance with one of the preceding claims, characterized in that the transversely extending struts (30) provided with a joint (32) are spaced apart from one another in the longitudinal direction; and in that a connection element (90) is provided which connects two joints (32) of two such struts (30) to one another.
  8. A lattice support structure in accordance with one of the preceding claims, characterized in that a blocking element (100) is provided which prevents an inward pivoting of the transversely extending struts (30) in the state of the lattice support structure ready for operation.
  9. A lattice support structure in accordance with claim 8, characterized in that the blocking element (100) is made to be self-locking.
  10. A lattice support structure in accordance with one of the preceding claims, characterized in that the lattice support structure has struts which are made in the form of a pyramid or in the form of a truncated pyramid.
  11. A lattice support structure in accordance with one of the preceding claims, characterized in that the lattice support structure has pivotably arranged lattice bars, with the pivotable connection being made such that one of the mutually pivotably connected parts has a projection; and in that the other of the pivotably connected parts has a groove which is bounded by walls on three sides and in which the projection of the other part is pivotably received.
  12. Use of one or more lattice support structures in accordance with one of the preceding claims as a component of a crane.
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DE202008001272U DE202008001272U1 (en) 2008-01-29 2008-01-29 Lattice support structure
PCT/EP2009/000581 WO2009095243A2 (en) 2008-01-29 2009-01-29 Lattice support structure

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CN (3) CN103213908A (en)
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Also Published As

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WO2009095243A2 (en) 2009-08-06
CN101932779A (en) 2010-12-29
US20100326004A1 (en) 2010-12-30
JP2011511186A (en) 2011-04-07
DE202008001272U1 (en) 2009-06-04
CN103216133A (en) 2013-07-24
WO2009095243A3 (en) 2009-11-12
CN103213908A (en) 2013-07-24
HK1148564A1 (en) 2011-09-09
US8484925B2 (en) 2013-07-16
US20140150370A1 (en) 2014-06-05
EP2235276A2 (en) 2010-10-06
ES2437146T3 (en) 2014-01-09

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