EP4098598A1 - Transverse composée d'une pluralité de composants accouplés les uns aux autres de manière exclusivement amovible, ensemble doté d'une transverse et procédé d'assemblage d'une transverse - Google Patents

Transverse composée d'une pluralité de composants accouplés les uns aux autres de manière exclusivement amovible, ensemble doté d'une transverse et procédé d'assemblage d'une transverse Download PDF

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Publication number
EP4098598A1
EP4098598A1 EP22177101.7A EP22177101A EP4098598A1 EP 4098598 A1 EP4098598 A1 EP 4098598A1 EP 22177101 A EP22177101 A EP 22177101A EP 4098598 A1 EP4098598 A1 EP 4098598A1
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EP
European Patent Office
Prior art keywords
traverse
profiles
components
load
truss
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.)
Granted
Application number
EP22177101.7A
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German (de)
English (en)
Other versions
EP4098598C0 (fr
EP4098598B1 (fr
Inventor
Philipp Hiecke
Christian Zick
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.)
Pfeifer Holding GmbH and Co KG
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Pfeifer Holding GmbH and Co KG
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Publication of EP4098598A1 publication Critical patent/EP4098598A1/fr
Application granted granted Critical
Publication of EP4098598C0 publication Critical patent/EP4098598C0/fr
Publication of EP4098598B1 publication Critical patent/EP4098598B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means

Definitions

  • the invention relates to a traverse, in particular an adjustable traverse, cantilever traverse or a rigid traverse, for connecting a load to a hoist, the traverse comprising a plurality of components which are exclusively detachably coupled to one another, the components at least two traverse profiles, at least one suspension element and at least two clevises, wherein an intermediate space is provided between the traverse profiles and wherein the clevises and/or the suspension member are at least partially arranged in the intermediate space.
  • the invention is also directed to a set in the sense of a modular system, comprising a first element, preferably in the form of a first traverse profile, further comprising at least one other element, e.g. in the form of another traverse profile or another element, the first traverse profile, the other Traverse profiles and the other elements can be dimensioned differently. All elements of the set form components of the modular system, whereby the elements can be combined as required and form a fully assembled truss after assembly.
  • the invention relates to a method for assembling a corresponding traverse.
  • Traverses of different types are known from the prior art. For example, it is known to provide a traverse from two U-shaped longitudinal profiles spaced apart from one another and to provide centrally arranged suspension members between the profiles. It is also known to slidably hang two adjusting brackets on a crossbeam, which are however hung on U-shaped cross sections and cannot be continuously moved laterally. It is also known to provide adjustment brackets between spaced profiles and with an adjustment mechanism with bolts which are embedded in spaced bushings to fix the adjustment brackets. In this case, the adjustment brackets are only held on the bolts and must be held or relieved when adjusting the adjustment brackets in order to be lifted over U-shaped profile catches or transverse profiles.
  • the known trusses have a number of disadvantages.
  • the known trusses usually have extensive welded constructions. This means a very high production cost and requires extensive non-destructive testing of the welds.
  • the production of the truss is significantly delayed, which has a negative impact on the delivery times of the truss.
  • the production of the traverse is made more expensive by more highly qualified and therefore more expensive employees such as welders for the assembly and testing of these traverses. This has an overall negative effect on the manufacturing costs of the devices.
  • the suspension In the case of the known trusses, the suspension usually has a lower strength than a crane hook to which the truss is attached. As a result, the suspension can wear out more quickly and may need to be replaced when it is serviced. In this case, the suspension must be replaced for safety reasons. To replace the suspension, the often large and unwieldy truss has to be sent back to the manufacturer. This means disadvantageous downtime for the user of the traverse. After sandblasting, the manufacturer of the truss removes the old suspension, welds a new one on and repaints the device. Overall, there are high downtimes as well as transport and production costs.
  • the object of the present invention is to provide an improved traverse which overcomes the problems mentioned.
  • a traverse is provided, in particular an adjustable traverse, cantilever traverse or a rigid traverse, for connecting a load to a hoist.
  • the truss comprises a plurality of components which are exclusively releasably coupled to one another, the components comprising at least two truss profiles, at least one suspension member and at least two clevises, with an intermediate space being provided between the truss profiles and the load brackets and/or the suspension member at least partially are arranged in the space.
  • the only detachable connection of the components means in particular that the components are not welded together. It is thus possible to run the truss with its detachable components as a modular system that allows a variety of combinations of pre-measured and prefabricated elements different truss shapes with different load capacities and size ranges.
  • the modular kit for trusses in three product forms: as adjustable trusses, rigid trusses and as cantilever trusses.
  • the modular system includes variants with different widths and therefore gripping ranges and load capacities.
  • the modular system consists of a large number of trusses, which can be represented by various forms as rigid or adjustable trusses, as cantilever trusses with a suspension link and/or as a truss with a hanger stop and erection end plates. What they all have in common is that they can be assembled from a common assortment of basic or structural elements, which can be viewed as building blocks within the construction kit.
  • the individual characteristics of the trusses are constructed from the blocks with longitudinal profiles that are spaced apart and held together, for example, by bolt connections and, if necessary, are locally reinforced or doubled in sections by profiles and/or metal sheets.
  • the respective suspension members can also be corresponding building blocks and can be arranged between the truss profiles in the center of the longitudinal extent of the truss profiles or, if there are multiple versions, symmetrically to the center or the center of gravity of the load.
  • the load brackets can be arranged between the longitudinal profiles or traverse profiles and can be rigid or adjustable.
  • the trusses can have bolts in the load-bearing connections between the individual components and can therefore be held together, each component can be exchanged if necessary without further problems.
  • the suspension in the combination of, for example, locking ring bolts or bolts that are not prestressed leads to a reduction in documentation and assembly costs compared to welded solutions or prestressed connections.
  • semi-skilled workers can be used instead of trained welding specialists for the production of the traverse, which in turn leads to cheaper production and maintenance.
  • the suspension links can be exchanged simply by removing the old suspension link, inserting a new part and fastening the bolts again. This can be done without any effort on site by the user of the traverse by normal fitters without special equipment and qualifications.
  • a main difference between the invention and the prior art is therefore a modular, pre-designed, pre-measured and pre-manufactured building block system, by means of which trusses of different dimensions can be provided.
  • This advantageously makes it possible to produce a wide range of very light traverses with a load capacity of 1.0 t up to heavy versions with a load capacity of around 20 t and a working width of 1 m to 6 m with just a few, for example U-shaped longitudinal profiles.
  • the profiles can be designed with a load-bearing cross-section over the entire length.
  • the components include a reinforcement, by means of which at least one of the traverse profiles is reinforced and/or that the components include at least one transverse arm.
  • the components or at least some of the components are coupled to one another exclusively in a non-positive and/or positive manner, in particular by means of bolt connections and/or screw connections and/or spaced webs.
  • corresponding adjusting brackets can be arranged between the longitudinal profiles or traverse profiles.
  • the adjustment brackets can then be locked in place by plugging them into bores, by means of correspondingly spaced webs and/or in one variant also steplessly.
  • load-bearing connections between the different building block elements or components of the traverse ie between the profiles, suspension brackets or suspension links or adjustment brackets, can be formed or secured by bolts and bores or bushings.
  • the traverse profiles are designed symmetrically and/or are between 1 m and 6 m long.
  • clevises rest on an upper side of the traverse profiles, with cleat support sections being provided for this purpose in particular.
  • the bolt pulling and the adjustment of the load brackets are possible without relieving them within an intended adjustment range and adjustment direction.
  • the adjustable clevis can rest on the profiles with a design or with a cleat support section, such as a roller, and introduce loads there. Therefore, they can be adjusted without having to lift the traverse. They are secured against lateral movements by cross bolts in bores at intervals and/or by other means steplessly and/or in webs of the traverse
  • the load transfer for the dead weight of the load bracket or for the entire load, which is introduced via the load bracket into the crossbeam and thus into the hoist, can be done via the yoke bearing portions on the longitudinal profiles, which can be provided either on top or on another suitable area such as a flange.
  • the adjustment brackets can thus be adjusted "at ground level", that is, without the traverse having to be lifted off the ground on which it is placed. Accordingly, no separate auxiliary crane is required for this. In the case of the bolted and/or screwed designs described here, it is thus possible to pull and set bolts without the need for special holding and/or lifting of the traverse.
  • suspension element bears against an underside of the traverse profiles, with at least one suspension element support section being provided for this purpose.
  • At least one erection end plate is provided, by means of which the traverse can be erected on a base.
  • the installation end plate can be welded to the traverse profiles or, like the other components, detachably coupled.
  • the invention is also directed to a set comprising a traverse according to one of Claims 1 to 8, further comprising at least one further component with different dimensions, the component with different dimensions being mountable as an alternative to the fully assembled traverse.
  • a traverse according to one of Claims 1 to 8
  • further comprising at least one further component with different dimensions the component with different dimensions being mountable as an alternative to the fully assembled traverse.
  • two truss profiles of different lengths can be provided, of which either the longer or the shorter one can be used to mount the truss.
  • software can be used that contains a configurator that simply combines the pre-measured components into one of various possible trusses by assembling them and thus allows them to be put together individually by a future user of the truss.
  • Fig. 1a shows an oblique view of a rigid traverse as a possible embodiment of the traverse 1.
  • the fixed suspension member 6 is located in the middle of the traverse 1 and the clevis 8 at the ends.
  • the traverse carrier is shown with two spaced traverse profiles 4 . This can be, for example, U-profiles that are connected to each other at their webs and whose flanges are turned outwards.
  • the 1c shows the rigid truss 1 in side view.
  • Fig. 1b shows the section AA of the 1c with the arrangement of the suspension member 6 between the profiles 4 in the intermediate space 5, held by bolts 10 in bores 11 in truss profiles 4 and suspension member 6.
  • Fig. 1d shows the plan view with the intermediate space 5 and the arrangement of the clevis 8 and the suspension member 6 in the intermediate space 5 between the longitudinal profiles 4.
  • the same reference symbols in all figures and exemplary embodiments refer to the same features. Not all of the features shown in the respective exemplary embodiment are discussed for every figure.
  • Adjusting traverses 2 rigid traverses and cantilever traverses 21 can be designed by an appropriate combination of the components of the traverse 1.
  • the invention offers a kind of modular system that enables the compilation of a large number of different traverses 1, which can be configured as rigid or adjustable traverses 2, as cantilever traverses 21 with a suspension element 6 or as a traverse with a stop hanger 16 and erection end plates 17 (see Fig following figures) can be represented. What they all have in common is that they can be assembled from a common element pool of components within the construction kit.
  • the assembly can be done without special or skilled workers only by simple screw assembly. Trained welders as expensive specialists are not necessary. The complex welding test and quality assurance routines that are required for welded constructions are almost completely eliminated or are significantly reduced.
  • the modular system includes variants with a flexible gripping range between 1.0 and 6.0 m and tonnages between 1.0 t or 0.5 t and 20.0 t.
  • the traverses 1 are made up of longitudinal profiles, and preferably of U-profiles, which have a defined spacing between them, preferably of 40 mm ⁇ 20 mm.
  • the flanges of the U-profiles ideally point away from each other. Sections of the profiles are easy to implement, locally reinforced by reinforcement or doubling 12 with other profiles or sheets.
  • a rigid traverse can optionally also be assembled without regularly spaced profile bores and without adjustment bracket 7 .
  • lateral outer connecting plates can be arranged as a shackle 8 fixed with bolts 10, which can also have shackles and swivel hooks 13 for attachment at the bottom.
  • Adjustment bracket 7 and load bracket 8 can be used interchangeably in the present case.
  • Such a design is then a rigid traverse in which the working length cannot be adjusted.
  • Outrigger traverses 21 from combinations of an adjusting traverse 2 with rigid traverses or adjustable crossbeams can be constructed in a modular manner with all the aspects described here.
  • each component can be exchanged without further problems. This can be done on site at the user of Traverse 1. It enables a short production time at the factory. Expenses for testing and documentation are reduced to a minimum.
  • FIG. 2 shows an oblique view of a rigid traverse as a further possible embodiment.
  • Two suspension links 6 for attaching a chain sling or sling 16 are located near the center of the traverse.
  • the permanently screwed or bolted yoke 8 with swivel and load hook 14 are provided at the ends of the traverse 1 and here, as a special version, a third yoke with load hook and swivel is in the middle.
  • the traverse carrier is shown with two spaced profiles 4, here U-profiles with externally facing flanges and between them held by bolts 10 in bores 11 suspension members 6 and clevises 8 with attached vertebrae with hooks 14.
  • Figure 3a represents another traverse variant in the form of an adjustable traverse 2 with storage plates 17 provided at the ends be parked at ground level. Also conceivable are more than two adjustment brackets 7, one or more than one suspension member 6, depending on the suspension or load arrangement. In the present case, the adjustment bracket 7 and load bracket 8 components can be used analogously to one another.
  • An embodiment as an adjusting traverse 2 is particularly advantageous, in which case the adjusting brackets 7 can be located between the U-profiles.
  • the adjustment brackets 7 are locked in place, for example, by bolting or screwing in openings such as bores, which can be arranged at intervals in the webs, in particular continuously.
  • embodiments with stepless lateral displacement are also conceivable.
  • Embodiments with adjustment brackets 7 are also conceivable, which rest on the traverse profiles 4 and initiate their loads there. This makes it possible to pull a bolt for lateral displacement without it being necessary to secure, hold or lift the traverse 1 . This also eliminates the need for a separate auxiliary crane.
  • a large number of holes or bores 11 in the traverse profiles 4 enable the position of the load bracket 7 to be adjusted symmetrically or asymmetrically depending on the center of gravity of the load.
  • the clevis 7 can rest on top of the profile, so that they can enter the self-weight load there when removing the bolts 10 in order to be able to be moved by hand or auxiliary crane without lifting the traverse.
  • a hanger 16 with two suspension elements 6 is shown here as an example, attacking symmetrically to the middle of the crossbeam in the longitudinal direction.
  • the adjustment brackets 7 are shown as adjustment elements with a load point 13 arranged at the top, for example as a bearing bolt which rests on the profile flanges 4 .
  • the adjusting traverse 2 is shown with a large number of grid holes 11 in the longitudinal profile 4, so that the adjusting bracket 7 can be secured there by means of bolts 10 through the holes 11 at any point within certain limits.
  • the possible adjustment directions 15 are shown on the adjustment brackets 7 .
  • the clevises 7 do not need to be relieved, since they rest on the profile in the upper area at the support point or clevis support section 13 and can be displaced after the bolts 10 have been pulled out. This is also possible in the case of large dimensions, without having to relieve the sometimes very heavy adjusting bracket 7 by means of an auxiliary device.
  • Figure 3b turns off the adjustment traverse 2 Figure 3a with storage plates 17 provided at the ends in an exploded view, so that the individual components can be seen in full.
  • the shape of the central suspension element 6 or also of the two suspension elements 6 arranged symmetrically off-centre for receiving the hanger 16 can be clearly seen.
  • a hanger with two suspension elements 6 is shown here as an example, acting obliquely and symmetrically.
  • a reinforcement 12 made of U-profiles is also attached to the side of the traverse profiles 4 on both sides. Like the profiles 4, these also carry bores 11 in a grid, so that a suitable screw connection and/or bolt 10 can be selected in order to fasten the reinforcement 12 in a statically effective manner.
  • 3c show the same adjusting traverse 2 in a front view with a view of the erection end plate 17.
  • 3d 3f and 3f show the same adjusting traverse 2 in side view and top view.
  • the adjustment bores or bores 11 are attached in the longitudinal profiles 4 of the traverse 2 .
  • the adjustable adjustment bracket 7 and the central suspension member 6 and the symmetrical suspension members 6 are inserted here between the profiles 4 in the space 5 and screwed with bolts or bolted with ring bolts or bolts 10 .
  • a reinforcement 12 made of U-profiles is attached to the side of the traverse profiles 4.
  • the load bracket support sections 13 on the profile 4 are shown as rollers, for example.
  • Hooks 14 are attached to the bottom of the adjusting bracket 7 as one embodiment. Shackles or oval links are also possible components.
  • Figure 3e shows the section AA 3d :
  • the arrangement of the two U-profiles 4 as a traverse carrier with the space 5 in which the suspension members 6, adjustment brackets 7 and/or load brackets 8 are mounted by means of bolts 10 in the bores 11 can be clearly seen. Also by bolts 10 are here on both sides reinforcements 12 screwed as a U-profile doubling. Provision can be made here for the same bolt 10 to be used for mounting both the two traverse profiles 5 and the suspension elements 6 , adjustment bracket 7 and/or load bracket 8 .
  • the suspension members 6, adjustment bracket 7 and/or load bracket 8 can define the intermediate space 5 with their sheet metal thicknesses and serve as spacers between the two traverse profiles 4.
  • FIG. 4 shows an oblique representation of a cantilever traverse as an H-traverse 21 with two transverse arms 3, which are designed here as small adjustable traverses.
  • two transverse arms 3 which are designed here as small adjustable traverses.
  • Rigid transverse arms 3 without an adjustment device are also possible.
  • a large number of holes in the traverse profiles 4 enables the position of the adjustment brackets 7 to be adjusted symmetrically or asymmetrically, depending on the center of gravity of the load on the transverse arms 3.
  • the adjustment brackets 7 lie with the load bracket support section 13 on top of the profile of the traverse profiles 4 and/or on the Transverse arms 3, so that they can enter the dead load there when removing the bolt 10. This allows these heavy components to be moved without having to be lifted by hand or with an auxiliary crane.
  • figure 5 shows a known adjusting traverse 2 in a conventional design with an I-profile as a carrier with two adjustable adjustment brackets 7 made from sheet metal cutouts.
  • the adjustment brackets 7 are slidably suspended over the I-profile.
  • the adjustment brackets 7 can be fixed by means of the U-profiles or fixed retaining catches 22 mounted on top of the traverse profiles 4 .
  • the adjustment brackets 7 cannot be moved sideways steplessly, but can only be positioned at the positions of the retaining catches 22 . To do this, the sometimes heavy adjustment bracket 7 must be raised manually or with auxiliary cranes.
  • FIG. 6 shows the various individual elements, not fully shown, in different sizes and types as building blocks of the modular system or the set of the truss 1.
  • a large number of different trusses 1 can be produced in the modular system from the standardized components. Each element is pre-measured and can be combined to form the various designs.
  • the connections of the suspension members 6, rigid load bracket 8 or adjustable adjustment bracket 7 with the profiles 4 and the reinforcements 12 can each be provided cheaply and quickly, for example, by bolt connections or bolts 10.
  • hooks with swivels 14 can be arranged on the clevises 8 . These can be available in different sizes in component boxes.
  • FIG. 7 shows a side view of an adjusting traverse with movable adjusting brackets 7 and a central suspension element 6 in the traverse 1 with two spaced traverse profiles 4.
  • These are, for example, U-profiles with outward-facing flanges.
  • the suspension member 6 and the two adjusting brackets 7 are provided in between and held by bolts 10 .
  • the load bracket support sections 13 of the adjustment brackets 7 rest on the traverse profiles 4 .
  • Unlike in 2 locally reinforced areas along the length are shown schematically here.
  • the profiles or reinforcement plates are arranged on the cross-section in a manner appropriate to the load.
  • the reinforcement 12 can locally increase the section modulus both laterally against stability failure and vertically. This is shown schematically in the graph 23 with a stress caused by a linear bending moment curve, which is covered in steps by the reinforcements 12 with an increased section modulus.
  • a user can specify the type of hoist, ie whether, for example, a traverse is required for a forklift or for a crane or crane hook.
  • the user can then specify whether only one fork tine or both fork tines should be used to pick up the load.
  • either a forklift traverse or an adapter for a forklift tine is selected or assembled.
  • the user can first specify the type of load. For example, he can specify that the traverse is to be used for long goods or for big bags. If the load is long goods, the user can also specify whether different lengths or fixed lengths should be held by the traverse. Depending on the selection made by the user, a big bag traverse, a rigid traverse or an adjustable traverse can then be proposed or assembled. This description of the selection process is supplemented by the descriptions in Figures 9a to 9d .
  • Figures 9a to 9d show the different truss options and the possible pre-selection loads of the truss user with regard to loads and sizes.
  • the traverse can be configured in relation to the crane hook sizes.
  • the grid distances between the bores 11 can also be set will.
  • the truss 1 assembled in this way can also be easily modified or retrofitted subsequently in terms of its load dimensions, the desired load-bearing capacity or other recording options.
  • the traverse can be made of galvanized components, for example.
  • the method can be carried out at least partially by the user of a truss 1 using a configurator, for example.
  • the configurator can be designed as a corresponding software application.
  • the user can first make a pre-selection of basic parameters of the traverse, ie which load capacity, crane hook size and/or working length are relevant for the traverse 1.
  • the user can decide in a type selection which type of traverse 1 is required, for example a rigid traverse or an adjustable traverse.
  • the type and size of the truss is now determined and the required components are selected in the appropriate sizes and configured in the last step to form the entire desired truss.
  • an option selection can be carried out, in which features such as chain hangers, forklift pockets, lateral stop hooks, additional adjustment plates or similar can be configured with the traverse 1. Drawings, parts lists, assembly plans and the traverse 1 itself can then be created on this basis.
  • the pre-measured components can be combined to form different trusses 1 and thus assembled individually by the user. Due to the pre-assembled, pre-measured and pre-planned modular elements or building blocks, the production of the traverse 1 is possible within a very short time due to the components being kept in stock.
  • All components can be stored in the software. Matching parts can be combined, whereby a user query and/or a plausibility check can be carried out.
  • the software is so modular and self-explanatory that all matching elements can be freely combined and that no faulty drafts can come about. There are many permissible combinations of trusses 1 possible, as exemplified in the figures are shown. The user can do this independently and, for example, from his computer via an appropriate Internet connection.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
EP22177101.7A 2021-06-02 2022-06-02 Transverse composée d'une pluralité de composants accouplés les uns aux autres de manière exclusivement amovible, ensemble doté d'une transverse et procédé d'assemblage d'une transverse Active EP4098598B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021114393.4A DE102021114393A1 (de) 2021-06-02 2021-06-02 Traverse aus einer Mehrzahl von ausschließlich lösbar miteinander gekoppelten Bauelementen, Set mit einer Traverse und Verfahren zum Zusammensetzen einer Traverse

Publications (3)

Publication Number Publication Date
EP4098598A1 true EP4098598A1 (fr) 2022-12-07
EP4098598C0 EP4098598C0 (fr) 2023-12-27
EP4098598B1 EP4098598B1 (fr) 2023-12-27

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EP22177101.7A Active EP4098598B1 (fr) 2021-06-02 2022-06-02 Transverse composée d'une pluralité de composants accouplés les uns aux autres de manière exclusivement amovible, ensemble doté d'une transverse et procédé d'assemblage d'une transverse

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EP (1) EP4098598B1 (fr)
DE (1) DE102021114393A1 (fr)
PL (1) PL4098598T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343861A (en) * 1965-12-10 1967-09-26 United States Steel Corp Lifting grapple for reels and the like
DE2336687A1 (de) * 1973-07-19 1975-02-06 Holzapfel & Walka Krantraverse
EP0622327A1 (fr) * 1993-04-30 1994-11-02 Carl Stahl Gmbh Traverse de levage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD206131A1 (de) 1981-07-17 1984-01-18 Dieter Zollner Traverse mit stufenlos verstellbaerer und selbsthemmender lastanhaengung
DE102005059768A1 (de) 2005-07-22 2007-01-25 Liebherr-Werk Ehingen Gmbh Kran, vorzugsweise Raupen- oder Fahrzeugkran
DE102010022996B4 (de) 2010-06-08 2013-05-29 Wader-Wittis Gmbh Hubvorrichtung für Turmsegmente
DE102013218236A1 (de) 2013-09-11 2015-03-12 Holger Gruss Modulare Universalteleskoptraverse in Leichtbauausführung
DE102019104864A1 (de) 2019-02-26 2020-08-27 Liebherr-Werk Ehingen Gmbh Überwachungssystem für Kranbauteile und Verfahren zur Überwachung von Kranbauteilen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343861A (en) * 1965-12-10 1967-09-26 United States Steel Corp Lifting grapple for reels and the like
DE2336687A1 (de) * 1973-07-19 1975-02-06 Holzapfel & Walka Krantraverse
EP0622327A1 (fr) * 1993-04-30 1994-11-02 Carl Stahl Gmbh Traverse de levage

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EP4098598C0 (fr) 2023-12-27
PL4098598T3 (pl) 2024-06-10
DE102021114393A1 (de) 2022-12-08
EP4098598B1 (fr) 2023-12-27

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