EP2210851B1 - Tower crane - Google Patents

Tower crane Download PDF

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Publication number
EP2210851B1
EP2210851B1 EP09014123.5A EP09014123A EP2210851B1 EP 2210851 B1 EP2210851 B1 EP 2210851B1 EP 09014123 A EP09014123 A EP 09014123A EP 2210851 B1 EP2210851 B1 EP 2210851B1
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EP
European Patent Office
Prior art keywords
trolley
boom
transport position
hook block
tower crane
Prior art date
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Application number
EP09014123.5A
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German (de)
French (fr)
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EP2210851A3 (en
EP2210851A2 (en
Inventor
Martin Dipl.-Ing.(FH) Aßfalg
Norbert Dr.Ing. Stanger
Horst Dipl.-Ing. Zerza (Fh)
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Liebherr Werk Biberach GmbH
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Liebherr Werk Biberach GmbH
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Publication date
Application filed by Liebherr Werk Biberach GmbH filed Critical Liebherr Werk Biberach GmbH
Priority to EP16201390.8A priority Critical patent/EP3165495B1/en
Publication of EP2210851A2 publication Critical patent/EP2210851A2/en
Publication of EP2210851A3 publication Critical patent/EP2210851A3/en
Application granted granted Critical
Publication of EP2210851B1 publication Critical patent/EP2210851B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes

Definitions

  • the invention relates to a tower crane according to the preamble of claim 1.
  • folding jib cranes which are arranged on a chassis and there from a transport position into an operating position and vice versa can be transferred.
  • These tower cranes have a single or multi-part tower, a multi-part boom and a trolley and a hook bottle.
  • the jib parts may be slidably and / or hingedly connected to each other, wherein in the transport position, the jib parts are so slidably and / or hingedly connected together that they are in the transport position on the trolley side by side and / or above each other. In the transport position, the trolley is usually secured with the hook bottle on the boom.
  • the boom link to the einteleskopierbaren tower and the outer arm piece is folded back onto the Auslegeranschsted.
  • the boom linkage piece, the boom center piece and the outer boom piece are folded in a zig-zag shape.
  • the articulated connection between the lower and upper straps and consisting of lattice girders cantilevers each consist in such a way that they are hinged to their lower or upper straps.
  • hook block and trolley must be secured separately in their transport position on specially provided locking elements.
  • These locking elements are usually operated manually. This in turn means that in an automatic erection of the tower crane, the corresponding security elements must be manually released by an operator and secured accordingly when folding the tower crane.
  • the DE 698 11 002 T2 discloses a tower crane with two interconnected via an intermediate element boom parts, which lie one above the other in a transport position, wherein the assembly of trolley and hook block is arranged in the transport position on the outside of the intermediate element.
  • the SU 738 985 A1 and the FR 85 559 E tower cranes are known in which in a transport position, the assembly of hook block and trolley between boom (part) and tower (part) is arranged.
  • the object of the invention is therefore to provide a tower crane according to the invention, which has a maximum tower height and a maximum boom length in terms of permissible transport length.
  • a tower crane which is convertible from a transport position to an operating position and vice versa and having a one or more tower, a multi-part boom, a trolley and a hook block, the tower parts and the jib parts slidably and / or articulated are interconnected and the jib parts are slidably and / or articulated interconnected so that the jib parts in the transport position next to each other and / or one above the other, housed the trolley and the hook bottle in the transport position between two or more boom parts and preferably secured in this position.
  • trolley and hook block can be summarized in the transport position to form a unit, the unit between the trolley and hook block is formed by the fact that in the trolley a breakthrough is excluded, in which the hook bottle is retracted in the transport position.
  • the individual parts of the multi-part cantilever can have approximately the same length, so that the maximum lengths of the cantilever parts which are possible due to the permissible transport length in the transport position can be utilized.
  • a maximum tower height and a maximum boom length can be achieved for a given transport length become. It must not be shortened due to the correspondingly arranged trolley or the hook bottle according to the solution according to the invention, the length of one another in the transport position successive or adjacent tower parts or jib parts. It is within the scope of the invention in the same way possible to perform the corresponding boom parts as a three-belt or as Viergurtauslegersystem.
  • the trolley is secured with the hook bottle in the transport position on the boom.
  • a storage space for the assembly may be formed. In this storage space then dive the unit from trolley and hook block in the transport position.
  • the storage space on the opposite boom part which are formed for example in the form of a taper, bend or bend.
  • the opposite jib part to form the storage space can be designed to be pivotable.
  • the hinged stopper tip can be easily deflected in order to form such a large space in the region of its free end to the cantilever middle part that the assembly of trolley and hook block can be arranged here.
  • the storage space can also extend into the adjacent boom part.
  • the assembly of trolley and hook block in the transport position with the boom part on which the trolley is arranged, is preferably lockable.
  • the locking can in this case take place in that on the hook bottle, a holding means is arranged, which is engageable for locking with a cantilever-side counter-holding means.
  • a corresponding holding means may be formed on the hook hook according to one embodiment, a transverse yoke, which cooperates with a formed as a hook element counter-holding means.
  • the breakthrough between Hubseilrollen the trolley is arranged, wherein the bottle of the hook bottle is at least one third in the breakthrough receivable.
  • the opening in the trolley is designed as a shaft such that the shaft wall encloses the bottle of the hook block in the transport position in a form-fitting manner.
  • the trolley is secured in the transport position by fixing the hook bottle by means of the holding means at the same time.
  • FIGS. 1a and 1b The from the FIGS. 1a and 1b apparent tower crane 1 is formed in the embodiment shown here as Faltauslegerkran, which is mounted on the undercarriage 10 of a vehicle 12.
  • the tower crane 1 is in the FIGS. 1a and 1b in an intermediate position, shown shortly before reaching the final transport position.
  • the tower crane consists, as can be seen from the FIG. 1a results from a two-part tower 2 with the austeleskopierbaren tower parts 2a and 2b.
  • a three-piece boom 3 consisting of a Auslegeransch 3a, a cantilevered center piece 3b and a jib tip 3c in zig-zag form superimposed.
  • the three jib parts 3a, 3b and 3c are each hinged together.
  • the jib parts 3a, 3b and 3c are as in FIG. 1b to recognize trained as a three-boom systems. As in the Figures 1b and in particular in FIG. 3 the jib parts 3b and 3c are shown tilted laterally relative to the jib part 3a via a corresponding articulated connection, so that the space available on the undercarriage 10 can be used as compactly as possible. Regarding further details will be on the EP 1 084 983 B1 expressly referred.
  • trolley 4 and hook block 5 Of particular importance in the context of the present invention is the design and arrangement of trolley 4 and hook block 5 in the transport position T.
  • trolley 4 and hook bottle 5 we refer in particular to the detail A in FIG. 1a which enlarges in FIG. 2 is reproduced.
  • FIG. 2 the jib parts 3 are shown.
  • the trolley 4 is arranged in the position in which it dwells in the transport position T.
  • the trolley 4 is largely conventional and has Hubseilrollen 116, 117, over which a hoist rope 103 is guided in a conventional manner. Between the Hubseilrollen 116 and 117, an opening 110 in the form of a shaft 112 is formed.
  • the shaft 112 has a shaft wall 112a, on which the bottle 113 of the hook bottle 5 dives when retracted into the shaft 112 and rests against it.
  • the load hook 111 is arranged. In the immersed state of the hook block 5 forms the hook bottle 5 with the trolley 4, a unit 106th
  • This entire assembly 106 is connected via a locking device 109 in the transport position T in the in FIG. 2 set and thus secured.
  • the locking device 109 consists of a holding element 109a arranged on the hook block 5, which can be brought into engagement with a counter holding element 109b, as in FIG FIG. 2 shown.
  • the holding element 109a is a transverse yoke 114, which is fastened to the bottle 113 of the hook bottle 5 via two sheets 115 arranged in parallel and designated as a sword.
  • This transverse yoke is in the transport position T in the in the transport position T formed with the counter-retaining element 109b FIG. 2 illustrated manner in engagement.
  • FIG. 4 Based on FIG. 4 can be shown how the trolley 4 and the hook block 5 can be automatically transferred in a particularly simple manner in the transport position T.
  • the FIG. 4 shows the hook block 5 in its operating position. In the course of Figures 4a, 4b and 4c this will be in accordance with Figure 4c shown transport position T transferred.
  • the trolley with the hook block 5 is combined to form a unit 106. This is done automatically by tightening the hoist rope 103, which over the rollers of the trolley 4 and those of Hook block 5 is guided. By appropriate tightening of the hoist rope 103, the hook block 5 from the position according to FIG. 4 transferred to the position shown in Figure 4a.
  • the bottle 113 enters the hook bottle 5 in the designed as a shaft 112 opening 110 in the trolley 4 and is supported there on the shaft wall 112a.
  • a structural unit 106 is formed from the hook block 5 and the trolley 4.
  • the trolley 4 is thus moved in the direction of arrow according to FIG 4a.
  • the formed assembly 106 in the direction of arrow according to FIG. 4b moves until the yoke 114 engages the counter-retaining means 109b designed as a hook.
  • as in Figure 4c be fixed by appropriately lowering the hook block 5 in the arrow direction in the hook 109b.
  • the entire assembly 106 is secured in the transport position T.
  • the storage space 6 for receiving the hook block 5 and trolley 4 existing assembly is achieved in that the boom part 3a is tapered towards its tip. This results in a gap in which the unit 106 can be accommodated.
  • the hook 111 of the hook block 5 dips between the two straps of the jib part 3c (cf. FIG. 2 ).
  • Trolley and load hook are stored together as a unit on the boom part so that the construction of the entire tower crane is not affected by this and thus an optimal length utilization of the tower is given.

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

Description

Die Erfindung betrifft einen Turmdrehkran nach dem Oberbegriff des Anspruchs 1.The invention relates to a tower crane according to the preamble of claim 1.

Es sind bereits Turmdrehkräne der eingangs genannten Art in unterschiedlichen Ausführungsformen bekannt.There are already known tower cranes of the type mentioned in different embodiments.

So sind beispielsweise aus der EP 1 084 983 B1 sogenannte Faltauslegerkräne bekannt, die auf einem Fahrwerk angeordnet sind und dort von einer Transportstellung in eine Betriebsstellung und umgekehrt überführbar sind. Diese Turmdrehkräne weisen einen ein- oder mehrteiligen Turm, einen mehrteiligen Ausleger und eine Laufkatze sowie eine Hakenflasche auf. Die Auslegerteile können verschieblich und/oder gelenkig miteinander verbunden sein, wobei in der Transportstellung die Auslegerteile derart verschieblich und/oder gelenkig miteinander verbunden sind, dass sie in der Transportstellung auf dem Transportwagen nebeneinander und/oder übereinander liegen. In der Transportstellung ist die Laufkatze üblicherweise mit der Hakenflasche an dem Ausleger gesichert.For example, from the EP 1 084 983 B1 so-called folding jib cranes known, which are arranged on a chassis and there from a transport position into an operating position and vice versa can be transferred. These tower cranes have a single or multi-part tower, a multi-part boom and a trolley and a hook bottle. The jib parts may be slidably and / or hingedly connected to each other, wherein in the transport position, the jib parts are so slidably and / or hingedly connected together that they are in the transport position on the trolley side by side and / or above each other. In the transport position, the trolley is usually secured with the hook bottle on the boom.

In der EP 1 084 983 B1 ist im Einzelnen beschrieben, wie in der Transportstellung das Auslegeranlenkstück an den einteleskopierbaren Turm angeklappt und das äußere Auslegerstück auf das Auslegeranlenkstück zurückgeklappt ist. Bei einem dreiteiligen Ausleger werden das Auslegeranlenkstück, das Auslegermittelstück und das äußere Auslegerstück zick-zack-förmig zusammengelegt. Dabei kann die gelenkige Verbindung zwischen den Unter- und Obergurte aufweisenden und aus Gitterträgern bestehenden Auslegerstücken jeweils in der Weise bestehen, dass diese gelenkig an ihren Unter- oder Obergurten verbunden sind.In the EP 1 084 983 B1 is described in detail, as folded in the transport position, the boom link to the einteleskopierbaren tower and the outer arm piece is folded back onto the Auslegeranlenkstück. In the case of a three-piece boom, the boom linkage piece, the boom center piece and the outer boom piece are folded in a zig-zag shape. In this case, the articulated connection between the lower and upper straps and consisting of lattice girders cantilevers each consist in such a way that they are hinged to their lower or upper straps.

In der Transportstellung eines Faltauslegerkranes muß auch die Laufkatze und die zugehörige Hakenflasche untergebracht und gesichert werden. Hierzu ist es aus dem Stand der Technik bekannt, die Laufkatze an einem kurzen, in Transportstellung senkrechten Zwischenstück am hinteren Ende des Krans anzuordnen. In anderen Ausführungsformen wird die Laufkatze am Mittelstück eines dreiteiligen zusammengeklappten Auslegers angeordnet und gesichert, wobei allerdings die Auslegerspitze, die auf dem Mittelstück abgelegt wird, um den Platzbedarf der Laufkatze gekürzt werden muß, da die Auslegerspitze sonst mit der hervorstehenden Laufkatze kollidieren würde.In the transport position of a folding jib crane and the trolley and the associated hook block must be accommodated and secured. For this purpose, it is known from the prior art to arrange the trolley at a short, vertical in transport position intermediate piece at the rear end of the crane. In other embodiments, the trolley is placed and secured to the center piece of a three-piece collapsed boom, however, the boom tip that is deposited on the centerpiece must be shortened by the footprint of the trolley, otherwise the boom tip would collide with the protruding trolley.

Darüber hinaus müssen Hakenflasche und Laufkatze separat in ihrer Transportposition über eigens hierfür vorgesehene Verriegelungselemente gesichert werden. Diese Verriegelungselemente werden in der Regel manuell betätigt. Das wiederum bedeutet, dass bei einem automatischen Aufrichten des Turmdrehkrans die entsprechenden Sicherungselemente manuell von einer Bedienperson gelöst und beim Zusammenfalten des Turmdrehkrans entsprechend wieder gesichert werden müssen.In addition, hook block and trolley must be secured separately in their transport position on specially provided locking elements. These locking elements are usually operated manually. This in turn means that in an automatic erection of the tower crane, the corresponding security elements must be manually released by an operator and secured accordingly when folding the tower crane.

Die DE 698 11 002 T2 offenbart einen Turmdrehkran mit zwei über ein Zwischenelement miteinander verbundenen Auslegerteilen, welche in einer Transportstellung übereinander liegen, wobei die Baueinheit aus Laufkatze und Hakenflasche in der Transportstellung außen an dem Zwischenelement angeordnet ist.The DE 698 11 002 T2 discloses a tower crane with two interconnected via an intermediate element boom parts, which lie one above the other in a transport position, wherein the assembly of trolley and hook block is arranged in the transport position on the outside of the intermediate element.

Aus der DE 20 53 450 B1 , der SU 738 985 A1 und der FR 85 559 E sind Turmkrane bekannt, bei denen in einer Transportstellung die Baueinheit aus Hakenflasche und Laufkatze zwischen Ausleger(teil) und Turm(teil) angeordnet ist.From the DE 20 53 450 B1 , the SU 738 985 A1 and the FR 85 559 E tower cranes are known in which in a transport position, the assembly of hook block and trolley between boom (part) and tower (part) is arranged.

Aufgabe der Erfindung ist es nun, einen erfindungsgemäßen Turmdrehkran zu schaffen, welcher hinsichtlich der zulässigen Transportlänge eine maximale Turmhöhe und eine maximale Auslegerlänge aufweist.The object of the invention is therefore to provide a tower crane according to the invention, which has a maximum tower height and a maximum boom length in terms of permissible transport length.

Diese Aufgabe wird ausgehend von einem gattungsgemäßen Turmdrehkran durch die Kombination der Merkmale des Anspruchs 1 gelöst.This object is achieved on the basis of a generic tower crane by combining the features of claim 1.

Entsprechend der Lösung werden bei einem Turmdrehkran, der von einer Transportstellung in eine Betriebsstellung und umgekehrt überführbar ist und der einen ein- oder mehrteiligen Turm, einen mehrteiligen Ausleger, eine Laufkatze und eine Hakenflasche aufweist, wobei die Turmteile und die Auslegerteile verschieblich und/oder gelenkig miteinander verbunden sind und die Auslegerteile verschieblich und/oder gelenkig derart miteinander verbunden sind, dass die Auslegerteile in der Transportstellung nebeneinander und/oder übereinander liegen, die Laufkatze und die Hakenflasche in der Transportstellung zwischen zwei oder mehreren Auslegerteilen untergebracht und vorzugsweise in dieser Position gesichert.According to the solution are in a tower crane, which is convertible from a transport position to an operating position and vice versa and having a one or more tower, a multi-part boom, a trolley and a hook block, the tower parts and the jib parts slidably and / or articulated are interconnected and the jib parts are slidably and / or articulated interconnected so that the jib parts in the transport position next to each other and / or one above the other, housed the trolley and the hook bottle in the transport position between two or more boom parts and preferably secured in this position.

Dabei lassen sich erfindungsgemäß Laufkatze und Hakenflasche in der Transportstellung zu einer Baueinheit zusammenfassen, wobei die Baueinheit zwischen Laufkatze und Hakenflasche dadurch gebildet ist, dass in der Laufkatze ein Durchbruch ausgenommen ist, in den die Hakenflasche in der Transportstellung einfahrbar ist.In this case, according to the invention trolley and hook block can be summarized in the transport position to form a unit, the unit between the trolley and hook block is formed by the fact that in the trolley a breakthrough is excluded, in which the hook bottle is retracted in the transport position.

Aufgrund dieser erfindungsgemäßen Ausführung können die einzelnen Teile des mehrteiligen Auslegers ungefähr die gleiche Länge aufweisen, so dass die durch die zulässige Transportlänge in der Transportstellung möglichen Maximallängen der Auslegerteile ausgenutzt werden können. Somit kann für eine vorgegebene Transportlänge eine maximale Turmhöhe und eine maximale Auslegerlänge erzielt werden. Es muß nach der erfindungsgemäßen Lösung die Länge eines der in Transportstellung aufeinander bzw. nebeneinander liegenden Turmteile bzw. Auslegerteile nicht aufgrund der entsprechend angeordneten Laufkatze oder der Hakenflasche verkürzt werden. Dabei ist es im Rahmen der Erfindung in gleicher Weise möglich, die entsprechenden Auslegerteile als Dreigurt- oder auch als Viergurtauslegersystem auszuführen.Due to this embodiment according to the invention, the individual parts of the multi-part cantilever can have approximately the same length, so that the maximum lengths of the cantilever parts which are possible due to the permissible transport length in the transport position can be utilized. Thus, a maximum tower height and a maximum boom length can be achieved for a given transport length become. It must not be shortened due to the correspondingly arranged trolley or the hook bottle according to the solution according to the invention, the length of one another in the transport position successive or adjacent tower parts or jib parts. It is within the scope of the invention in the same way possible to perform the corresponding boom parts as a three-belt or as Viergurtauslegersystem.

Besondere Ausgestaltungen der Erfindung ergeben sich aus den sich an den Hauptanspruch anschließenden Unteransprüchen.Particular embodiments of the invention will become apparent from the subsequent claims to the main claim.

Es kann vorgesehen sein, dass die Laufkatze mit der Hakenflasche in der Transportstellung an dem Ausleger gesichert ist.It can be provided that the trolley is secured with the hook bottle in the transport position on the boom.

Zwischen dem oder den Auslegerteil(en), an welchem(n) die aus Laufkatze und Hakenflasche bestehende Baueinheit angeordnet ist, und dem Auslegerteil, welches in der Transportstellung dieser Baueinheit gegenüberliegt, kann ein Stauraum für die Baueinheit ausgebildet sein. In diesem Stauraum taucht dann die Baueinheit aus Laufkatze und Hakenflasche in der Transportstellung ein.Between the or the jib part (s) on which (s) the existing trolley and hook block assembly is arranged, and the boom part, which is opposite in the transport position of this unit, a storage space for the assembly may be formed. In this storage space then dive the unit from trolley and hook block in the transport position.

Besonders vorteilhaft sind zur Bildung des Stauraums an dem gegenüberliegenden Auslegerteil entsprechende Formanpassungen vorgesehen, die beispielsweise in Form einer Verjüngung, Biegung oder Abknickung, gebildet sind. Alternativ kann hier aber auch das gegenüberliegende Auslegerteil zur Bildung des Stauraums schwenkbar ausgebildet sein. So kann hier in besonders einfacher Art und Weise die angeschlagene Anschlagspitze leicht ausgelenkt werden, um im Bereich ihres freien Endes einen so großen Zwischenraum zu dem Auslegermittelteil zu bilden, dass hier die Baueinheit aus Laufkatze und Hakenflasche angeordnet werden kann.Particularly advantageous form adaptations are provided to form the storage space on the opposite boom part, which are formed for example in the form of a taper, bend or bend. Alternatively, however, here also the opposite jib part to form the storage space can be designed to be pivotable. Thus, in a particularly simple manner, the hinged stopper tip can be easily deflected in order to form such a large space in the region of its free end to the cantilever middle part that the assembly of trolley and hook block can be arranged here.

Vorteilhaft kann sich der Stauraum auch in das benachbarte Auslegerteil hin erstrecken.Advantageously, the storage space can also extend into the adjacent boom part.

Die Baueinheit aus Laufkatze und Hakenflasche in der Transportstellung mit dem Auslegerteil, an dem die Laufkatze angeordnet ist, ist vorzugsweise verriegelbar.The assembly of trolley and hook block in the transport position with the boom part on which the trolley is arranged, is preferably lockable.

Die Verriegelung kann hierbei dadurch erfolgen, dass an der Hakenflasche ein Haltemittel angeordnet ist, das zur Verriegelung mit einem auslegerseitigen Gegenhaltemittel in Eingriff bringbar ist.The locking can in this case take place in that on the hook bottle, a holding means is arranged, which is engageable for locking with a cantilever-side counter-holding means.

Als entsprechendes Haltemittel kann an der Hakenflasche gemäß einer Ausführungsform ein Querjoch ausgebildet sein, das mit einem als Hakenelement ausgeformten Gegenhaltemittel zusammenwirkt.As a corresponding holding means may be formed on the hook hook according to one embodiment, a transverse yoke, which cooperates with a formed as a hook element counter-holding means.

Besonders vorteilhaft ist der Durchbruch zwischen Hubseilrollen der Laufkatze angeordnet, wobei die Flasche der Hakenflasche zu wenigstens einem Drittel in dem Durchbruch aufnehmbar ist.Particularly advantageously, the breakthrough between Hubseilrollen the trolley is arranged, wherein the bottle of the hook bottle is at least one third in the breakthrough receivable.

Besonders vorteilhaft ist es, wenn der Durchbruch in der Laufkatze derart als Schacht ausgebildet ist, dass die Schachtwand die Flasche der Hakenflasche in der Transportstellung formschlüssig umschließt. In diesem Fall wird durch die Festlegung der Hakenflasche mittels des Haltemittels gleichzeitig auch die Laufkatze in der Transportstellung gesichert.It is particularly advantageous if the opening in the trolley is designed as a shaft such that the shaft wall encloses the bottle of the hook block in the transport position in a form-fitting manner. In this case, the trolley is secured in the transport position by fixing the hook bottle by means of the holding means at the same time.

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

Figur 1a und Figur 1b:
eine Seiten- bzw. Rückansicht eines erfindungsgemäßen Turmdrehkrans während des Zusammenfaltens in die Transportstellung,
Figur 2:
ein Detail der Figur 1a,
Figur 3:
eine vergrößerte Darstellung der Figur 1b, d. h. die Rückansicht des Turmdrehkrans in einer Stellung während des Zusammenfaltens und in seiner Endstellung und
Figur 4, 4a, 4b, 4c:
ein Detail des Turmdrehkrans gemäß Figur 1 während des Festlegens und Sicherns der Laufkatze und der Hakenflasche beim Überführen des Turmdrehkrans in seine Transportstellung.
Further features, details and advantages of the invention will be explained in more detail with reference to an embodiment shown in the drawing. Show it:
FIG. 1a and FIG. 1b
a side or rear view of a tower crane according to the invention during the folding into the transport position,
FIG. 2:
a detail of FIG. 1a .
FIG. 3:
an enlarged view of FIG. 1b , ie the rear view of the tower crane in a position during of folding and in its final position and
4, 4a, 4b, 4c:
a detail of the tower crane according to FIG. 1 while setting and securing the trolley and hook block when transferring the tower crane to its transport position.

Der aus den Figuren 1a und 1b ersichtliche Turmdrehkran 1 ist in der hier dargestellten Ausführungsform als Faltauslegerkran ausgebildet, der auf dem Unterwagen 10 eines Fahrzeuges 12 montiert ist. Der Turmdrehkran 1 ist in den Figuren 1a und 1b in einer Zwischenstellung, kurz vor Erreichen der endgültigen Transportstellung dargestellt. Der Turmdrehkran besteht, wie sich aus der Figur 1a ergibt, aus einem zweiteiligen Turm 2 mit den austeleskopierbaren Turmteilen 2a und 2b. An der Spitze des austeleskopierbaren Turmteils 2b ist ein dreiteiliger Ausleger 3 bestehend aus einem Auslegeranlenkstück 3a, einem Auslegermittelstück 3b und einer Auslegerspitze 3c in Zick-Zack-Form aufeinandergelegt. Die drei Auslegerteile 3a, 3b und 3c sind jeweils gelenkig miteinander verbunden.The from the FIGS. 1a and 1b apparent tower crane 1 is formed in the embodiment shown here as Faltauslegerkran, which is mounted on the undercarriage 10 of a vehicle 12. The tower crane 1 is in the FIGS. 1a and 1b in an intermediate position, shown shortly before reaching the final transport position. The tower crane consists, as can be seen from the FIG. 1a results from a two-part tower 2 with the austeleskopierbaren tower parts 2a and 2b. At the top of the austeleskopierbaren tower part 2b a three-piece boom 3 consisting of a Auslegeranlenkstück 3a, a cantilevered center piece 3b and a jib tip 3c in zig-zag form superimposed. The three jib parts 3a, 3b and 3c are each hinged together.

Die Auslegerteile 3a, 3b und 3c sind, wie in Figur 1b zu erkennen als Dreigurt-Auslegersysteme ausgebildet. Wie in den Figuren 1b und insbesondere in Figur 3 dargestellt sind die Auslegerteile 3b und 3c über eine entsprechende Gelenkverbindung seitlich gegenüber dem Auslegerteil 3a gekippt, so dass der auf dem Unterwagen 10 verfügbare Raum möglichst kompakt genutzt werden kann. Bezüglich weiterer Details wird auf die EP 1 084 983 B1 ausdrücklich verwiesen.The jib parts 3a, 3b and 3c are as in FIG FIG. 1b to recognize trained as a three-boom systems. As in the Figures 1b and in particular in FIG. 3 the jib parts 3b and 3c are shown tilted laterally relative to the jib part 3a via a corresponding articulated connection, so that the space available on the undercarriage 10 can be used as compactly as possible. Regarding further details will be on the EP 1 084 983 B1 expressly referred.

Von besonderer Bedeutung im Rahmen der vorliegenden Erfindung ist die Ausgestaltung und Anordnung von Laufkatze 4 und Hakenflasche 5 in der Transportstellung T. Zu dem Aufbau von Laufkatze 4 und Hakenflasche 5 verweisen wir insbesondere auf das Detail A in Figur 1a, welches vergrößert in Figur 2 wiedergegeben ist.Of particular importance in the context of the present invention is the design and arrangement of trolley 4 and hook block 5 in the transport position T. For the construction of trolley 4 and hook bottle 5, we refer in particular to the detail A in FIG. 1a which enlarges in FIG. 2 is reproduced.

In Figur 2 sind die Auslegerteile 3 dargestellt. Am Auslegermittelteil 3b ist die Laufkatze 4 in der Position angeordnet, in der sie in der Transportstellung T verweilt. Die Laufkatze 4 ist weitgehend konventionell aufgebaut und weist Hubseilrollen 116, 117 auf, über die ein Hubseil 103 in üblicher Weise geführt ist. Zwischen den Hubseilrollen 116 und 117 ist ein Durchbruch 110 in Form eines Schachtes 112 ausgebildet. Der Schacht 112 weist eine Schachtwand 112a auf, an der beim Einfahren in den Schacht 112 die Flasche 113 der Hakenflasche 5 eintaucht und an dieser anliegt. An der Hakenflasche 5 ist der Lasthaken 111 angeordnet. Im eingetauchten Zustand der Hakenflasche 5 bildet die Hakenflasche 5 mit der Laufkatze 4 eine Baueinheit 106.In FIG. 2 the jib parts 3 are shown. At the boom center part 3b, the trolley 4 is arranged in the position in which it dwells in the transport position T. The trolley 4 is largely conventional and has Hubseilrollen 116, 117, over which a hoist rope 103 is guided in a conventional manner. Between the Hubseilrollen 116 and 117, an opening 110 in the form of a shaft 112 is formed. The shaft 112 has a shaft wall 112a, on which the bottle 113 of the hook bottle 5 dives when retracted into the shaft 112 and rests against it. On hook hook 5, the load hook 111 is arranged. In the immersed state of the hook block 5 forms the hook bottle 5 with the trolley 4, a unit 106th

Diese gesamte Baueinheit 106 wird über eine Verriegelungseinrichtung 109 in der Transportstellung T in der in Figur 2 dargestellten Art und Weise festgelegt und so gesichert.This entire assembly 106 is connected via a locking device 109 in the transport position T in the in FIG. 2 set and thus secured.

Die Verriegelungseinrichtung 109 besteht aus einem an der Hakenflasche 5 angeordneten Halteelement 109a, das mit einem Gegenhalteelement 109b in Eingriff bringbar ist, wie in Figur 2 dargestellt.The locking device 109 consists of a holding element 109a arranged on the hook block 5, which can be brought into engagement with a counter holding element 109b, as in FIG FIG. 2 shown.

Bei dem Halteelement 109a handelt es sich um ein Querjoch 114, welches über zwei parallel angeordnete, als Schwert bezeichnete Bleche 115 an der Flasche 113 der Hakenflasche 5 befestigt ist. Dieses Querjoch steht mit dem als Haken ausgebildeten Gegenhalteelement 109b in der Transportstellung T in der in Figur 2 dargestellten Art und Weise in Eingriff.The holding element 109a is a transverse yoke 114, which is fastened to the bottle 113 of the hook bottle 5 via two sheets 115 arranged in parallel and designated as a sword. This transverse yoke is in the transport position T in the in the transport position T formed with the counter-retaining element 109b FIG. 2 illustrated manner in engagement.

Anhand der Figur 4 kann dargestellt werden, wie die Laufkatze 4 und die Hakenflasche 5 in besonders einfacher Art und Weise automatisch in die Transportstellung T überführt werden können. Die Figur 4 zeigt die Hakenflasche 5 in ihrer Betriebsstellung. Im Verlauf der Figuren 4a, 4b und 4c wird diese in die gemäß Figur 4c dargestellte Transportstellung T überführt. Hierzu wird die Laufkatze mit der Hakenflasche 5 zu einer Baueinheit 106 vereint. Dies erfolgt automatisch durch Anziehen des Hubseils 103, welches über die Laufrollen der Laufkatze 4 und diejenigen der Hakenflasche 5 geführt wird. Durch entsprechendes Anziehen des Hubseils 103 wird die Hakenflasche 5 aus der Position gemäß Figur 4 in die Position gemäß Figur 4a überführt. Dabei tritt die Flasche 113 der Hakenflasche 5 in den als Schacht 112 gestalteten Durchbruch 110 in der Laufkatze 4 ein und stützt sich dort an der Schachtwand 112a ab. Hierdurch wird eine Baueinheit 106 aus der Hakenflasche 5 und der Laufkatze 4 gebildet. Die Laufkatze 4 wird also in Pfeilrichtung gemäß Figur 4a bewegt. Anschließend wird die gebildete Baueinheit 106 in Pfeilrichtung gemäß Figur 4b bewegt, bis das Joch 114 in das als Haken ausgebildete Gegenhaltemittel 109b eingreift. Anschließend kann, wie in Figur 4c durch entsprechendes Absenken der Hakenflasche 5 in Pfeilrichtung im Haken 109b fixiert werden. Hierdurch wird die gesamte Baueinheit 106 in der Transportstellung T gesichert.Based on FIG. 4 can be shown how the trolley 4 and the hook block 5 can be automatically transferred in a particularly simple manner in the transport position T. The FIG. 4 shows the hook block 5 in its operating position. In the course of Figures 4a, 4b and 4c this will be in accordance with Figure 4c shown transport position T transferred. For this purpose, the trolley with the hook block 5 is combined to form a unit 106. This is done automatically by tightening the hoist rope 103, which over the rollers of the trolley 4 and those of Hook block 5 is guided. By appropriate tightening of the hoist rope 103, the hook block 5 from the position according to FIG. 4 transferred to the position shown in Figure 4a. In this case, the bottle 113 enters the hook bottle 5 in the designed as a shaft 112 opening 110 in the trolley 4 and is supported there on the shaft wall 112a. As a result, a structural unit 106 is formed from the hook block 5 and the trolley 4. The trolley 4 is thus moved in the direction of arrow according to FIG 4a. Subsequently, the formed assembly 106 in the direction of arrow according to FIG. 4b moves until the yoke 114 engages the counter-retaining means 109b designed as a hook. Subsequently, as in Figure 4c be fixed by appropriately lowering the hook block 5 in the arrow direction in the hook 109b. As a result, the entire assembly 106 is secured in the transport position T.

In der in Figur 2 dargestellten Ausführungsvariante wird der Stauraum 6 zur Aufnahme der aus Hakenflasche 5 und Laufkatze 4 bestehenden Baueinheit dadurch erreicht, dass das Auslegerteil 3a zu seiner Spitze hin verjüngt ist. Hierdurch ergibt sich ein Zwischenraum, in dem die Baueinheit 106 unterbringbar ist. Dabei taucht der Haken 111 der Hakenflasche 5 zwischen den beiden Gurten des Auslegerteils 3c hindurch (vgl. Figur 2).In the in FIG. 2 illustrated embodiment, the storage space 6 for receiving the hook block 5 and trolley 4 existing assembly is achieved in that the boom part 3a is tapered towards its tip. This results in a gap in which the unit 106 can be accommodated. In the process, the hook 111 of the hook block 5 dips between the two straps of the jib part 3c (cf. FIG. 2 ).

Durch die Unterbringung der Laufkatze 4 und der Hakenflasche 5 zwischen den Auslegerteilen kann die zur Verfügung stehende Transportlänge für den Ausleger voll ausgenutzt werden. Laufkatze und Lasthaken werden gemeinsam als Baueinheit am Auslegerteil so gelagert, dass die Konstruktion des gesamten Turmdrehkrans hiervon nicht beeinflußt wird und somit auch eine optimale Längenausnutzung des Turms gegeben ist.By accommodating the trolley 4 and the hook block 5 between the boom parts, the available transport length for the boom can be fully utilized. Trolley and load hook are stored together as a unit on the boom part so that the construction of the entire tower crane is not affected by this and thus an optimal length utilization of the tower is given.

Claims (9)

  1. Tower crane (1), which can be transferred from a transport position (T) into an operating position (B) and vice versa,
    - comprising a one- or multi-part tower (2), a multi-part boom (3), a trolley (4) and a hook block (5),
    - wherein the tower parts (2a, 2b) and the boom parts (3a, 3b, 3c) are movably and/or pivotally connected with each other and the boom parts (3a, 3b, 3c) are movably and/or pivotally connected with each other such that in the transport position (T) the boom parts (3a, 3b, 3c) lie one beside and/or above the other,
    - wherein the trolley (4) and the hook block (5), in the transport position (T), can be arranged between two or more boom parts (3a, 3b, 3c),
    wherein, in the transport position (T), the trolley (4) and the hook block (5) form a constructional unit,
    characterized in that
    the constructional unit between trolley (4) and hook block (5) is formed in that an aperture (110) is recessed in the trolley (4), into which the hook block (5) can be moved in the transport position (T)
  2. Tower crane according to claim 1, characterized in that in the transport position (T), the trolley (4) is secured at the boom by means of the hook block (5), wherein between the boom part(s) (3a, 3b, 3c), on which the constructional unit consisting of trolley (4) and hook block (5) is arranged, and the boom part (3a, 3b, 3c), which in the transport position (T) is located opposite the constructional unit, a storage space (6) is formed for the constructional unit (4, 5).
  3. Tower crane according to claim 2, characterized in that for forming the storage space (6), the opposite boom part (3a, 3b, 3c) includes a corresponding adaptation in shape, for instance in the form of a taper, curve or bend, or that the opposite boom part (3a, 3b, 3c) is pivotally mounted for forming the storage space (6).
  4. Tower crane according to any one of claims 2 or 3, characterized in that the storage space (5) extends into the adjacent boom part (3a, 3b, 3c).
  5. Tower crane according to any one of the preceding claims, characterized in that in the transport position (T) the constructional unit of trolley (4) and hook block (5) can be locked with the boom part (3a, 3b, 3c) on which the trolley (4) is arranged.
  6. Tower crane according to claim 5, characterized in that a holding means (109a) is arranged on the hook block, which for locking can be brought in engagement with a boom-side counter-holding means (109b).
  7. Tower crane according to claim 6, characterized in that the holding means (109a) at the hook block (5) is configured as a transverse yoke (114) and that the counter-holding means (109b) is configured as a hook element or vice versa.
  8. Tower crane according to claim 7, characterized in that the aperture is arranged between hoisting rope pulleys (116, 117) of the trolley (4) and that the block (113) of the hook block (5) can be accommodated in the aperture (110) for at least one third thereof.
  9. Tower crane according to any one of the preceding claims, characterized in that the aperture (110) in the trolley (4) is formed as a shaft (112) such that in the transport position (T) the shaft wall (102a) positively encloses the block (113) of the hook block (5).
EP09014123.5A 2009-01-21 2009-11-11 Tower crane Active EP2210851B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16201390.8A EP3165495B1 (en) 2009-01-21 2009-11-11 Rotating tower crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009005237A DE102009005237A1 (en) 2009-01-21 2009-01-21 Tower Crane

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP16201390.8A Division-Into EP3165495B1 (en) 2009-01-21 2009-11-11 Rotating tower crane
EP16201390.8A Division EP3165495B1 (en) 2009-01-21 2009-11-11 Rotating tower crane

Publications (3)

Publication Number Publication Date
EP2210851A2 EP2210851A2 (en) 2010-07-28
EP2210851A3 EP2210851A3 (en) 2013-05-29
EP2210851B1 true EP2210851B1 (en) 2019-06-05

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EP09014123.5A Active EP2210851B1 (en) 2009-01-21 2009-11-11 Tower crane
EP16201390.8A Active EP3165495B1 (en) 2009-01-21 2009-11-11 Rotating tower crane

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EP16201390.8A Active EP3165495B1 (en) 2009-01-21 2009-11-11 Rotating tower crane

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EP (2) EP2210851B1 (en)
CN (1) CN101870436B (en)
DE (1) DE102009005237A1 (en)
ES (2) ES2867856T3 (en)

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ITTO20110886A1 (en) * 2011-10-04 2013-04-05 Gru Dalbe Srl AUTO-PILLAR CRANE
ITTO20110887A1 (en) * 2011-10-04 2013-04-05 Gru Dalbe Srl SUPPORT BASE FOR SELF-PILLAR CRANE AND SELF-PILLAR CRANE INCLUDING A SUPPORTING BASE
DE102012018111A1 (en) 2012-09-13 2014-03-13 Liebherr-Werk Biberach Gmbh Tower Crane
DE102013009564A1 (en) * 2013-06-06 2014-12-11 Liebherr-Werk Biberach Gmbh Device for connecting profile elements
DE102018214847B3 (en) 2018-08-31 2019-12-24 Tadano Faun Gmbh Holding device for a hook bottle rack of a mobile crane, superstructure for a mobile crane and mobile crane

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AT294370B (en) * 1969-10-22 1971-11-25 Wetzel Kg Tower crane
DE2053450C2 (en) * 1970-10-30 1973-01-18 Fa Wilhelm Reich TOWER CRANE
SU738985A1 (en) * 1977-06-17 1980-06-05 Всесоюзный конструкторско-технологический институт по механизации монтажных и специальных строительных работ Method and arrangement for installation and dismantling of telescopic tower crane
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Also Published As

Publication number Publication date
EP2210851A3 (en) 2013-05-29
CN101870436A (en) 2010-10-27
ES2867856T3 (en) 2021-10-21
ES2744359T3 (en) 2020-02-24
EP3165495A1 (en) 2017-05-10
CN101870436B (en) 2015-03-25
EP3165495B1 (en) 2021-02-17
EP2210851A2 (en) 2010-07-28
DE102009005237A1 (en) 2010-07-29

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