EP2377800B1 - Procédé d'agencement d'une unité d'affichage sur une grue à tour - Google Patents

Procédé d'agencement d'une unité d'affichage sur une grue à tour Download PDF

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Publication number
EP2377800B1
EP2377800B1 EP11002418A EP11002418A EP2377800B1 EP 2377800 B1 EP2377800 B1 EP 2377800B1 EP 11002418 A EP11002418 A EP 11002418A EP 11002418 A EP11002418 A EP 11002418A EP 2377800 B1 EP2377800 B1 EP 2377800B1
Authority
EP
European Patent Office
Prior art keywords
boom
display unit
tower
tower crane
advantageously
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11002418A
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German (de)
English (en)
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EP2377800A1 (fr
Inventor
Martin Dipl.-Ing. Aßfalg (FH)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Werk Biberach GmbH
Original Assignee
Liebherr Werk Biberach GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication of EP2377800A1 publication Critical patent/EP2377800A1/fr
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Publication of EP2377800B1 publication Critical patent/EP2377800B1/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/16Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/06Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0018Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels panel clamping or fastening means
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F15/00Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
    • G09F15/0006Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels
    • G09F15/0037Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like planar structures comprising one or more panels supported by a post
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00Advertising or display means not otherwise provided for
    • G09F19/22Advertising or display means on roads, walls or similar surfaces, e.g. illuminated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00Cranes
    • B66C2700/03Cranes with arms or jibs; Multiple cranes
    • B66C2700/0385Cranes with trolleys movable along adjustable or slewable arms

Definitions

  • the present invention relates to a method for arranging a display unit on a tower crane.
  • the display unit is an advertising medium or an advertising banner which is to be arranged on the tower crane in order to open up a further source of revenue for the crane operator.
  • the AT 412 431 B proposes to attach an advertising or information medium, for example. By means of a rope on the boom and to stretch over clamping means at least in the horizontal direction.
  • Object of the present invention is therefore to provide a method for arranging a display unit on a tower crane available, which allows easy and safe installation of the display unit. Furthermore, a corresponding tower crane or a corresponding display unit is to be made available.
  • this object is achieved by a method according to claim 1.
  • the inventive method for arranging a display unit on a tower crane can be used in tower cranes, which have a vertically aligned in the working position tower and a pivotally mounted on the tower about a horizontal pivot axis boom.
  • the inventive method comprises the following steps: lowering of the boom by pivoting about the horizontal pivot axis; at least partially attaching the display unit to the boom in the lowered position; and raising the boom by pivoting about the horizontal pivot axis.
  • the jib tip for mounting the display unit is advantageously lowered into a safe area, in which a safe mounting of the display unit is possible.
  • the boom is aligned in its working position substantially horizontally or pivoted upwards about the horizontal pivot axis.
  • the boom for mounting pivoted the display unit from its working position into a position in which the boom is pivoted about the horizontal pivot axis down.
  • the boom is pivoted so far down that the jib tip is located in a safe area.
  • the boom according to the invention is pivoted back to its working position after attaching the display unit. In this he now serves as a carrier for the display unit.
  • the boom is oriented substantially horizontally in this position.
  • the tower crane according to the invention comprises a substructure unit and a rotary platform rotatably mounted on the substructure unit about a vertical axis of rotation and supporting the tower.
  • the entire tower structure is rotated to rotate the boom.
  • the ballast for the tower crane is arranged on the revolving stage.
  • the boom can be lowered as a whole about the horizontal pivot axis relative to the tower.
  • the substructure unit can be both a stand pedestal and an undercarriage through which the tower crane can be transported folded.
  • the tower crane according to the invention is a mobile construction crane which has a movable undercarriage, a superstructure rotatably mounted on the undercarriage and a crane arrangement arranged on the superstructure, which can erect itself to a tower crane.
  • a guy winch is arranged on the revolving platform, through which a guy rope for clamping the lay-off tension is moved.
  • the lowering and the lifting of the boom is done by operating the winch.
  • the boom in the extended position, that is to be folded without being folded about its pivot axis down.
  • the safe area in which the cantilever tip is advantageously lowered for mounting the display unit can be different in size depending on the size and design of the tower crane.
  • the tip of the boom is thereby lowered to a height of less than 10 meters above the ground, more advantageously to a height of less than 7 meters, further advantageously to a height of less than 5 meters.
  • the tower usually consists of one or more tower parts.
  • the cantilever tip is then lowered into a height range which is below the height level of half a tower part.
  • the jib tip is lowered into a height range which is between the height level of the sub-unit and the height level of the half-tower part. In this area, the display unit according to the invention can be easily and safely mounted.
  • the entire mounting area for the display unit is lowered into the safe area.
  • the tower crane according to the invention is a crane, in which the tower has a height of more than 15 meters, more advantageously more than 30 meters.
  • the boom of the tower crane according to the invention is a lattice boom.
  • the boom can consist of one or more boom parts.
  • jib parts which are each rotatably mounted to each other and can be folded so as to transport the crane.
  • the tower crane according to the invention is a trolley tower crane.
  • a trolley is provided, which is movably mounted on the boom and over which the hoist rope is guided with the load hook.
  • the mounting of the display unit is carried out by moving the trolley and / or the hoisting rope.
  • hoists or drives can thus be used, which are already present on the crane anyway. This makes it possible to dispense with the use of external hoists.
  • the display unit is first attached to a first area on the boom and then completely arranged by actuation of the trolley and / or the hoist rope on the boom.
  • This procedure has the advantage that the display unit initially only has to be arranged in a region on the boom, which is particularly easily accessible, in particular on the lowest arranged boom tip.
  • the remaining assembly can then be done with the aid of the trolley and / or the hoist rope.
  • the rest of the assembly can be done without a fitter has to get to the mounting point on the boom.
  • the display unit is brought into contact with the boom by actuating the trolley and / or the hoisting rope in a second area, which is farther from the jib tip than the first area.
  • the display unit is locked in the mounted position on the boom. The locking can be done by an automatic lock or by a stop.
  • the display unit is fastened with a first end about a horizontal axis of rotation rotatably mounted on the boom. According to the invention then the other end is used by means of the trolley and / or the hoisting rope to the boom.
  • the front end of the display unit in the region of the cantilever tip is mounted rotatably about a horizontal axis of rotation on the boom.
  • the rear end of the display unit can now be connected to the trolley and / or the hoist rope and then be used by movement of the trolley and / or the hoisting rope to the boom.
  • At least one deflection roller is arranged on the boom, over which a cable is guided, via which the display unit is used to the boom.
  • the rope may be an auxiliary rope attached at one end to the display unit and at the other end to the trolley.
  • the display unit can then be used via the auxiliary cable to the boom.
  • the display unit can then be automatically locked, for example, via a snap mechanism.
  • only one stop can be provided here, so that the locking of the display unit takes place by locking the trolley.
  • the display unit can also be lifted directly over the hoist rope, in particular by the load hook is attached to the display unit.
  • a display unit is used according to the invention, which has less than half, more advantageously less than a quarter, further advantageously less than a sixth of the length of the cantilever.
  • This has the advantage that the assembly can be done completely in the safe area. In addition, this reduces the wind loads, so that the stability is guaranteed at wind release up to very high wind speeds and no monitoring of the display unit is necessary.
  • the surface of the display unit is at most a quarter of the area, which is described by boom and tower section.
  • the lowering of the boom in the mounting position within a few minutes is possible, advantageously in less than 10 minutes, more advantageously in less than 5 minutes, further advantageously in less than 2 minutes.
  • an extremely fast and effective assembly process is possible, so that the display unit can be mounted, for example, at closing time on the boom and dismantled at start of operation in the morning to use the tower crane on the site.
  • the assembly of the display unit according to the invention is possible in less than 20 minutes, more advantageously in less than 10 minutes, advantageously less than 5 minutes. Further advantageously, the dismantling in the same period is possible.
  • the assembly and disassembly in one-man operation is possible, so that the display unit can be assembled and disassembled without much effort.
  • the present invention further comprises a corresponding tower crane according to claim 6 and a corresponding display unit according to claim 8, which are suitable for mounting according to the invention and for this purpose are equipped with the necessary means for attaching the display unit on the boom.
  • the present invention therefore comprises, in particular, a tower crane which has a tower oriented vertically in the working position and a jib pivotable about a horizontal pivot axis on the tower, wherein the jib can be lowered by pivoting about the horizontal pivot axis.
  • a tower crane which has a tower oriented vertically in the working position and a jib pivotable about a horizontal pivot axis on the tower, wherein the jib can be lowered by pivoting about the horizontal pivot axis.
  • further means for at least partially attaching the display unit on the boom in the lowered position of the boom are present.
  • the tower crane according to the invention thereby to the Implementing a method can be used, as described above.
  • the tower crane for this purpose, the means, which have already been shown above.
  • the present invention comprises a display unit with a carrier system and a display element, and with means for at least partially attaching the display unit on the boom in its lowered position.
  • the display unit according to the invention is suitable according to the invention for carrying out a method as described above, and for this purpose has the means described above.
  • the display element may be any element for displaying information or images.
  • it may be a print medium such as a poster or a textile banner.
  • electronic display elements such as LED, OLED or other electronic displays conceivable. Of course it can also be a classic neon sign.
  • the display unit according to the invention comprises an adaptive quick assembly device for the connection to the crane boom.
  • the means for at least partially attaching the display unit on the boom in its lowered position designed so that the display unit must first be attached only in a first area on the boom and then by operating the trolley and / or the hoist rope can be arranged completely on the boom.
  • the display unit is by operating the trolley and / or the hoisting rope in a second area which is farther away from the jib tip than the first area to bring into contact with the boom.
  • the display unit is rotatably mounted in the first region on the boom and then used by actuation of the trolley or the hoisting rope to this.
  • the display unit and / or tower crane include means to allow a rotatable about horizontal axis of rotation attachment of the display unit on the boom.
  • the display unit in this case have corresponding hooks with which they can be hung on an axis in the region of the boom tip and is rotatably mounted there.
  • the display unit comprises an attachment point for attaching an auxiliary rope or the hoist rope for pulling the other end of the display unit to the boom, which can be done for example by means of the trolley and / or the hoisting rope.
  • this advantageously has a corresponding articulation point for the auxiliary cable.
  • the boom has at least one deflection roller for deflecting an auxiliary rope or the hoist rope.
  • the other end of the display unit can be pulled to the boom by means of the trolley and / or the hoisting rope.
  • the deflection roller is arranged in a region on the boom, which is located above the display unit when the display unit is mounted.
  • the display unit further comprises a locking possibility for securing the display unit on the boom.
  • the locking possibility can be spring-actuated, for example, the release can be done for example via a cable or floor pull. Dumping is then possible, for example by Katzfahren.
  • manual locking options are conceivable, for example, a Abbolzen, the corresponding access to the boom can be done by a ladder or by climbing on the boom.
  • a lock on the ballpoint pen principle similar to a 2-4-strand Umscherung.
  • electrically or hydraulically actuated locking options are conceivable.
  • the Fig. 1 shows an embodiment of a method according to the invention using an embodiment of a tower crane according to the invention and an embodiment of a display unit according to the invention in a schematic diagram.
  • the tower crane according to the invention in this case has a tower 1, which is vertically aligned in its working position.
  • the tower 1 may advantageously have a height of more than 10 meters, further advantageously more than 20 and further advantageously more than 30 meters.
  • a boom 2 is arranged on the spire, which is articulated about a horizontal pivot axis 3 on the tower. The boom 2 can be folded without being folded around the pivot axis 3 down and possibly also upwards.
  • the display unit 10 is now according to the invention mounted on the boom 2 by this is pivoted from its working position, in which it is arranged substantially horizontally or obliquely upward, in a lowered position. In this lowered position, the mounting unit can now be safely and easily mounted. After assembly of the boom 2 is then raised back to its original position back up.
  • the tower 1 according to the invention consists of two tower parts 4 and 5, wherein the upper tower part 5 in the lower tower part 4 can be inserted.
  • the tower crane according to the invention is a self-erecting tower crane which can be erected without the aid of a further hoist.
  • the tower parts are contiguous welded constructions.
  • the tower 1 is arranged on a revolving platform 6 which rotates relative to a substructure unit 7 about a vertical axis of rotation is arranged.
  • a substructure unit 7 may be a stationary support 9.
  • the substructure unit 7 can also be an undercarriage with a chassis 8, wherein the crane can then advantageously be transported folded onto the undercarriage on the road for transport.
  • Fig. 1 is now a safe area 11 located in which the boom tip 12 of the boom 2 is lowered for mounting the display unit 10.
  • this safe area 11 is a region which lies below the height level of half the lower tower part 4.
  • the cantilever tip is thereby lowered in a height range which is located between the height level of the substructure unit 7 and the height level of the half tower part 4.
  • this is not only the boom tip 12, but the entire mounting area for mounting the display unit 10 in the safe area 11.
  • the safe area 11 has a height of less than 15 meters, further advantageously less than 10 meters and further advantageously of less than 7 meters up.
  • the display unit according to the invention consists of a carrier system, a display element and an adaptive quick-mounting device for the connection to the crane boom.
  • the carrier system may be, for example, a frame with fastening elements for the display element.
  • the display element is advantageously an information or visualization element, which may include, for example, print media such as posters or textile banners.
  • display element are different electrical or electronic media such as LED, OLED or other electronic or electrical displays conceivable.
  • the display unit according to the invention has an electrical or electronic display, it requires a power supply for this purpose.
  • the power supply is plug-in mounted on the display unit.
  • the power supply runs over the existing power supply of the crane.
  • the display according to the invention can be arranged both under the boom, as well as above the boom. If the display unit is arranged below the arm, it advantageously forms a triangle in cross-section, the base area arranged at the top being arranged below the base area of the arm and the two side faces carrying indicator elements.
  • relatively small display units are used according to the invention, which occupy a maximum of a quarter of the area, which are described by boom and tower section.
  • the stability is guaranteed at wind release up to high wind speeds.
  • no monitoring of the display unit is required even at high wind speeds.
  • the length of the display unit according to the invention advantageously less than half the length of the boom, more advantageously less than a quarter, further advantageously less than a sixth.
  • a mobile construction crane that is, a tower crane, which can be moved over the road to the place of use and can sit there automatically.
  • the exemplary embodiment has an undercarriage 7, which is a chassis 8 having a plurality of tires for driving on the road.
  • a rotating platform 6 On this is rotatable about a vertical axis of rotation a rotating platform 6 is arranged.
  • the tower 1 is arranged, wherein the tower 1 in the embodiment consists of three tower parts 32, 33, 34, which can be pushed into one another for transport.
  • the nested tower parts can be pivoted for transport in the horizontal.
  • a boom 2 is arranged, which is pivotable about the pivot axis 3 downwards and upwards.
  • the boom consists of several boom parts, which can be folded for transport.
  • the jib parts are designed as a grid construction.
  • the boom is guyed over a boom bracing 35, which is deflected at the top of the tower via guy supports 36 and 37.
  • a variable-length bracing 38 is provided, which is guided by the boom bracing 35 down to the revolving platform 6, where a corresponding winch for moving the bracing 38 is provided.
  • the entire boom 2 can be discharged while stretched down.
  • the cantilever tip 12 can be drained substantially to the ground.
  • the winch 39 is actuated for the bracing 38.
  • the ballast 40 is still arranged for the crane.
  • the display unit is dimensioned along its length so that it is completely in the safe state, that is below the height of half of the first tower part 32 even in the assembled state.
  • a completely manual mounting of the display unit 10 on the boom 12 is possible, for example by screwing.
  • Fig. 2a are shown front and rear connection points 13 and 14 and middle connection points 41 of the information unit, with which they can be screwed to the boom.
  • the information unit 10 is first in a first region 13 on the cantilever tip 10 about an axis of rotation rotatably mounted. Thereafter, the information unit 10 is raised to the boom and in a second region 14, which is farther away from the boom tip 12, locked.
  • the locking can follow, for example, spring-actuated, wherein a release can be done for example by a cable or floor pull.
  • manual locking devices such as screwing, bolting or the like are also conceivable.
  • locking options according to the ballpoint pen principle similar to a 2-4-strand Umscherung are conceivable. Of course, electrically or hydraulically actuated locking options are conceivable.
  • FIG. 3a and 3b this is already the case again Fig. 2b and 2c illustrated embodiment of a display unit shown. This one will be like in Fig. 3a shown, first mounted in a first region 13 on the boom and then only completely pulled up to the boom, as in Fig. 3b is shown. All this takes place in the safe area 11.
  • FIG. 4a and 4b Now another embodiment of an inventive ⁇ en method for mounting the display unit 10 on the boom 2 is shown.
  • the assembly is carried out with the aid of the trolley 21 of the boom.
  • the display unit 10 is initially hung only on one side of the boom tip.
  • the display unit 10 in this area a hook 15, with which it can be hung on an axle 16 on the jib tip.
  • other mounting options are conceivable as long as they allow rotation of the display unit 10 about a horizontal axis of rotation.
  • a Verbolzung with a horizontal axis of rotation is conceivable.
  • the suspension in the area of the jib tip thus provides a fulcrum for raising the display unit 10 to the boom.
  • an auxiliary cable 18 is provided, which is attached to the trolley 21 at an attachment point 23. This is guided to the display unit 10 via an auxiliary cable deflection with deflection rollers 19 and 20, which are arranged on the boom.
  • the auxiliary rope 18 is in this case arranged on the display unit 10 in a region spaced from the axis of rotation 15, in the exemplary embodiment at the rear end of the display unit 10.
  • the display unit 10 in this case has a second suspension 17, which is designed so that it fixes the display unit 10 in its end position towards the boom.
  • a stop and / or additional locking take place. If only one stop is provided, then the display unit can be fixed in its end position by locking the trolley. However, the locking can also be done as already shown above.
  • the pulleys 19 and 20 are not arranged in the rear end portion of the display unit 10, but between the front and the rear end portion.
  • the auxiliary rope can thus be attached to the trolley while it is in the safe area.
  • pulleys for deflecting the auxiliary rope thereby more than 10%, further advantageously more than 20% of the total length of the display unit from the rear end of the display unit 10 located on the boom.
  • the mounting of the display unit can also be done with the aid of the load hook. Again, the display unit 10 is mounted on one side only on the boom tip. The load hook then raises the display unit directly to its end position, wherein the lifting substantially as already with respect to the Fig. 4a and 4b described.
  • the inventive lowering of the crane boom for mounting the display unit results in a simple, fast (1 to 10 minutes), low maintenance and safe and cost-effective installation of a display unit, in particular to Advertising and information purposes, on a crane boom.
  • the ease of use the assembly and disassembly can be made in one-man operation, which in turn has a positive effect on the cost and speed of assembly.
  • an improved crane utilization can be achieved since the crane can be used as an advertising medium in times when it is not used for lifting operation.
  • the display unit Since the display unit is implemented as a detachable system, it can be used very flexibly. The fact that the display unit is used essentially for the technical equipment already present on the crane only requires minor modifications to the crane.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Jib Cranes (AREA)

Claims (9)

  1. Procédé d'agencement d'une unité d'affichage (10) sur une grue à tour, où la grue à tour présente une tour (1) orientée verticalement en position de travail ainsi qu'une flèche (2) disposée à la tour (1) d'une manière pivotante autour d'un axe de pivotement horizontal (3), avec les étapes :
    abaissement de la flèche (2) par pivotement autour de l'axe de pivotement horizontal,
    montage au moins partiel de l'unité d'affichage (10) à la flèche (2) dans la position abaissée,
    relevage de la flèche (2) par pivotement autour de l'axe de pivotement horizontal,
    où l'unité d'affichage (10) est fixée d'abord seulement dans une première zone à la flèche (2) et est disposée ensuite par l'actionnement du chariot et/ou du câble de levage complètement à la flèche (2), où l'unité d'affichage (10) est fixée avec une extrémité autour d'un axe de rotation horizontal d'une manière tournante à la flèche (2), et l'autre extrémité est tirée au moyen du chariot et/ou du câble de levage à la flèche (2).
  2. Procédé selon la revendication 1, dans lequel la flèche (2), dans sa position de travail, est orientée sensiblement horizontalement ou est pivotée vers le haut autour de l'axe de pivotement horizontal, où la flèche (2), pour le montage de l'unité d'affichage (10), est amenée à pivoter de sa position de travail en une position dans laquelle la flèche (2) est pivotée autour de l'axe de pivotement horizontal vers le bas et/ou où la flèche (2), après le montage de l'unité d'affichage (10), est ramenée par pivotement dans sa position de travail.
  3. Procédé selon l'une des revendications précédentes, dans lequel la grue à tour présente une unité de sous-construction (7) et une plateforme de rotation (6) logée sur l'unité de sous-construction (7) d'une manière tournante (7) autour d'un axe de rotation vertical, qui supporte la tour (1), où avantageusement est disposé sur la plateforme de rotation un treuil d'haubanage (39), par lequel un câble d'haubanage pour le haubanage du haubanage de la flèche est déplacé, où l'abaissement et le relevage de la flèche (2) a lieu par l'actionnement du treuil (39).
  4. Procédé selon l'une des revendications précédentes, dans lequel la grue à tour présente un chariot (21) qui est logé d'une manière déplaçable à la flèche (2), et par lequel est guidé le câble de levage avec le crochet porte-charge, où le montage de l'unité d'affichage (10) a lieu par le déplacement du chariot (21) et/ou du câble de levage.
  5. Procédé selon l'une des revendications précédentes, dans lequel l'unité d'affichage (10) est amenée en contact avec la flèche (2) par l'actionnement du chariot et/ou du câble de levage dans une deuxième zone, qui est plus éloignée de la pointe de la flèche que la première zone.
  6. Grue à tour pour l'exécution d'un procédé selon l'une des revendications précédentes, qui présente une tour (1) orientée verticalement en position de travail ainsi qu'une flèche (2) disposée à la tour (1) d'une manière pivotante autour d'un axe de pivotement horizontal, où la flèche (2), par pivotement autour de l'axe de pivotement horizontal, peut être abaissée vers le bas, où la grue à tour comprend des moyens (16) pour le montage au moins partielle d'une unité d'affichage (10) à la flèche (2) dans la position abaissée, qui permettent une fixation, apte à tourner autour d'un axe de rotation horizontal, de l'unité d'affichage (10).
  7. Grue à tour selon la revendication 6, où dans le cas des moyens, il s'agit de moyens pour le montage au moins partiel d'une unité d'affichage (10) autour d'un axe (16) dans la zone de la pointe de la flèche et/ou de moyens pour le boulonnage avec un axe de rotation horizontal.
  8. Unité d'affichage (10) pour l'exécution d'un procédé selon l'une des revendications précédentes, avec un système de support et un élément d'affichage, ainsi qu'avec des moyens pour le montage au moins partiel de l'unité d'affichage (10) à une flèche (2) d'un grue à tour en une position abaissée de la flèche, où les moyens permettent un fixation, apte à tourner autour d'un axe de rotation horizontal, de l'unité d'affichage (10) à la flèche (2).
  9. Unité d'affichage (10) selon la revendication 8, dans laquelle les moyens pour le montage au moins partiel de l'unité d'affichage (10) à une flèche (2) comprennent des crochets au moyen desquels l'unité d'affichage (10) peut être accrochée à un axe et peut y être logée d'une manière tournante, et/ou des moyens pour le boulonnage avec un axe de rotation horizontal.
EP11002418A 2010-04-14 2011-03-23 Procédé d'agencement d'une unité d'affichage sur une grue à tour Active EP2377800B1 (fr)

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CN107709220A (zh) * 2015-03-11 2018-02-16 B·R·凯特斯 空中广告展示装置
DE102021107365A1 (de) 2021-03-24 2022-09-29 Wagner GmbH & Co. KG Sport Signage Informationsträgervorrichtung

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FR2129912B1 (fr) * 1971-03-15 1975-03-21 Potain Sa
DE4315960A1 (de) * 1993-05-12 1994-11-17 Liebherr Werk Biberach Gmbh Kran mit teleskopierbarem Turm
AUPN859996A0 (en) * 1996-03-11 1996-04-04 French, Andrew Boyd Display device
AT412431B (de) * 2002-07-05 2005-02-25 Acts & Facts Raphael Diendorfe Verfahren zum anbringen und halten eines werbe- und/oder informationsmediums
JP2006323322A (ja) * 2005-05-17 2006-11-30 Prefab Panel Kogyo Kyodo Kumiai 臨時ネオンサイン装置付きクレーンブーム。

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EP2377800A1 (fr) 2011-10-19

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