EP2655240B1 - Engin de levage avec un chassis réglable - Google Patents

Engin de levage avec un chassis réglable Download PDF

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Publication number
EP2655240B1
EP2655240B1 EP11799690.0A EP11799690A EP2655240B1 EP 2655240 B1 EP2655240 B1 EP 2655240B1 EP 11799690 A EP11799690 A EP 11799690A EP 2655240 B1 EP2655240 B1 EP 2655240B1
Authority
EP
European Patent Office
Prior art keywords
lifting device
side parts
threaded spindle
hoisting gear
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11799690.0A
Other languages
German (de)
English (en)
Other versions
EP2655240A1 (fr
Inventor
Reiner Bühlmayer
Jürgen Weingärtner
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.)
Konecranes PLC
Original Assignee
Konecranes PLC
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.)
Filing date
Publication date
Priority claimed from DE202010013182U external-priority patent/DE202010013182U1/de
Priority claimed from DE102010061462A external-priority patent/DE102010061462A1/de
Application filed by Konecranes PLC filed Critical Konecranes PLC
Publication of EP2655240A1 publication Critical patent/EP2655240A1/fr
Application granted granted Critical
Publication of EP2655240B1 publication Critical patent/EP2655240B1/fr
Not-in-force legal-status Critical Current
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
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
    • B66C11/04—Underhung trolleys
    • B66C11/06—Underhung trolleys running on monorails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/04—Monorail systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
    • B61C13/04—Locomotives or motor railcars characterised by their application to special systems or purposes for elevated railways with rigid rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
    • B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes

Definitions

  • the invention relates to a lifting device with a chassis, in particular a Einschienenunterflansch suspension.
  • Suspensions for hoists are also known as trolleys or trolleys. They are known in different versions.
  • Unterflanschfahrtechnike often have two side shields, on each of which two wheels are mounted, the side shields are interconnected by a bolt.
  • the load for example in the form of a chain hoist, can also be fastened to the bolt.
  • Such a chassis is for example from the DE 10 2004 009 062 A1 known.
  • the corresponding rails exist in different flange widths. It is therefore desirable on the part of the hoist manufacturer to adapt the trolleys to different rails, i. different flange widths to adapt.
  • a chassis with two side shields known whose distance from each other is adjustable is adjustable.
  • the side shields engage with hook-like projections in a Ein vonnut, which is formed in the housing of the hoist.
  • a threaded rod is provided, which connects the two side shields. A twist of the threaded rod adjusts the distance between the side shields.
  • the EP 0 912 383 B1 discloses a trolley with adjustable track width. Threaded rods connect the two side cheeks with each other and allow the adjustment of the track width. For this purpose, the threaded rods pass through the side cheeks at corresponding openings, where they are then secured by mutually braced nuts.
  • the GB 2 128 566 A discloses a suspension with adjustable track width.
  • a threaded spindle is provided which is rotatable on a side plate, but it is axially fixed and which engages in a threaded bore of the opposite side plate. By turning the spindle, the track width can be adjusted.
  • a load is suspended centrally via swiveling tabs. This design automatically centers the attached load. However, it requires a relatively large amount of space, resulting in hoists to Hub Oun beauen and is undesirable.
  • a chassis that runs on a crane rail.
  • the chassis has two frames, which are hinged together below the crane rail and carry casters.
  • the spacing of the castors adapts to the width of the running rail.
  • the US 1,151,226 discloses a landing gear that runs down an I-profile mounting rail.
  • the chassis includes two side parts, on which wheels are rotatably mounted, which run on the lower flange of the mounting rail.
  • the two side parts are connected by a threaded bolt, which is screwed for Abstandsjustage with a right-hand thread in one of the side parts and with a left-hand thread in the other of the side parts. Between the side parts, a portion of the bolt is exposed. At this point it is provided with an annular groove in which a load-bearing tab is hung.
  • the bolt is subject to bending stresses.
  • the lifting device consists of a chassis and a hoist, via a linear guide device are interconnected, wherein a distance adjustment device for adjusting the distance of the side parts of the chassis is provided from each other and wherein a centering ensures that the side parts are moved in relation to the hoist with each adjustment, based on the hoist, equidistant to or away from each other , Thanks to the centering is thereby ensured that regardless of the set gauge the load carried by the hoist is suspended centrally under the rail. In this way, tilting moments that could occur with asymmetric adjustment are minimized or avoided. Due to the direct connection between the hoist and chassis via a linear guide device can be ensured that no additional vertical space for the centering device is consumed. Thus, the lifting device according to the invention provides the same lifting height as a non-self-centering lifting device.
  • the linear guide device allows the adjustment of the side parts transverse to the direction of travel defined by the chassis.
  • the adjustment is horizontal. The distance adjustment of the side parts therefore takes place without changing the height position of the hoist.
  • the linear guide device for connecting the side parts with the hoist is formed by one or two on the hoist, preferably on the housing of the hoist, trained rib-like bracket or a corresponding groove which is under attack by hook-like extensions of the side parts.
  • the side parts are preferably formed as a sheet metal part.
  • a side part is formed as a flat, in side view approximately rectangular, sheet metal part, at its vertical edges it is angled at right angles. From the angled parts Starting from sections extending parallel to each other downwards, which are angled towards each other at their lower ends. The angled parts engage as a hook in the groove or under the console of the housing.
  • the brackets or grooves are preferably arranged at away from each other with respect to the direction of travel front and rear walls of the housing.
  • the housing of the hoist can be supported by loop-shaped bands that engage under the housing and whose ends are connected to the side panels.
  • a linear guide only one groove, for example a T-slot, may be provided, which runs centrally above the housing centrally.
  • the housing of the hoist is preferably an aluminum housing.
  • This can serve a steel rail. Which is arranged under the console. Also, such a steel rail can be arranged in a groove to protect the groove flank and to provide a contact surface for the hook.
  • the distance adjustment device and the centering device can be realized in a single adjustment unit.
  • this consists of a threaded spindle having a right-hand thread at one end and a left-hand thread at the other end. While the right-hand thread is in communication with an internal thread of the one side cheek, the left-hand thread engages with a corresponding left-hand thread of the other side cheek.
  • the threaded rod is axially fixed, thereby however rotatably connected to the housing of the hoist. As a result, the two side parts are adjusted symmetrically to each other upon rotation of the threaded spindle.
  • the threaded rod may be formed divided, wherein the rotation of the two partial rods is preferably in opposite directions.
  • the two sub-rods can be rotatably mounted on the housing of the hoist but axially immovable. They can each be provided with a gear, the gears mesh with each other and thus cause the desired opposite rotation.
  • the partial rods can both be provided with right-hand thread and screwed into corresponding threaded holes of the two side parts.
  • the adjusting device can be formed by a threaded spindle, which is bolted to only one of the side walls and in the other side cheek axially fixed, but rotatable, is stored.
  • the centering of the two side cheeks to the housing of the hoist can be done via a lever mechanism.
  • the levers of this lever mechanism lie in a horizontal plane, e.g. between the threaded spindle and the housing of the hoist. In this way, a separate centering device from the adjustment without additional space between the side walls can be accommodated.
  • a crane rail 10 is illustrated with a lifting device 11 movable thereon.
  • the lifting device 11 is used for lifting and method of not further illustrated loads.
  • a designated hook 12 is in Fig. 1 illustrated schematically.
  • the crane rail 10 has an upper and a lower flange 13, 14, which are connected to each other via a vertical web 15. The latter defines a vertical longitudinal median plane.
  • the crane rail 10 has a given width, which is defined by the width of the lower flange 14.
  • the lifting device 11 can be adapted to crane rails with flanges 14 of different widths. It has a correspondingly adjustable chassis 16, that the hoist 17 carries.
  • the hoist 17 carries the hook 12 by means of a chain 18 or other traction means, such as a rope, a belt or the like.
  • Fig. 2 illustrates the lifting device 11 in a schematic plan view.
  • To the chassis 16 includes two side parts 19, 20, which are preferably arranged parallel to each other at an adjustable distance from each other.
  • Each of the side parts 19, 20 carries at least one, preferably two, wheels 21, 22, 23, 24, which are rotatably mounted on the side parts 19, 20. They are adapted to run on top of the flange 14.
  • the impeller 24 is connected to a traction drive 25.
  • a traction drive 25 This consists for example of a motor gear unit, which is correspondingly remotely controllable to effect a targeted driving movement of the lifting device 11 on the crane rail 10.
  • the traction drive 25 can, for example via not further illustrated gears on more Wheels of the same side part 20, preferably the wheel 23, act.
  • the wheels 21, 22 run with no drive. However, it is also possible to assign drives to these wheels 21, 22.
  • the lifting of the load is effected by a lifting drive 26, for example, to an in Fig. 5 indicated sprocket 27 acts.
  • the lifting drive 26 is preferably flanged to a lateral end face of the hoist 17.
  • the hoist 17 comprises a housing 28 or other basic support, on the one hand supports the linear actuator 26 and on the other hand, the sprocket 27, a cable drum or the like.
  • the housing 28 may consist, for example, of a middle part 28a and two side terminations 28b, 28c (FIG. FIG. 4 ), which are flanged on the front side to the central part 28 a.
  • the transmission is arranged with sprocket and flanged motor.
  • the side finishes 28b, 28c are preferably (but not necessarily) cup-shaped or profiled tubular shaped and accommodate the engine and the transmission and optionally a controller.
  • the housing 28 is connected to the chassis 16 by at least one, preferably two, linear guides 29, 30.
  • the linear guides 29, 30 are disposed on sides of the housing 28 facing away from each other and formed symmetrical to each other. The following description of the linear guide 30 therefore applies correspondingly to the linear guide 29.
  • FIGS. 5 and 6 apparent console 31, which protrudes as a horizontally extending rib with eg horizontal lower surface of the housing wall of the housing 28 away.
  • the bracket 31 may also be part of the boundary of a groove 32, below the bracket 31 horizontal over the vertical front or rear wall of the housing 28 runs.
  • the bracket 31 and / or the groove 31 may extend over the middle part and the side ends of the housing 28.
  • the console 31 is armored.
  • a e.g. made of steel (e.g., smooth drawn sheet or ground) bar 33 may be placed in the groove 32 or under the bracket 31.
  • the rail 33 may be designed as a flat rail, angle rail, as a round profile or otherwise appropriate.
  • the linear guide 30 also includes a hook-like projection 34 extending from an angled wall 35 (FIG. Fig. 4 ) of the side part 19 extends downwards.
  • the hook-like extension 34 engages under the bracket 31, as in particular Fig. 6 evident.
  • the extension 34 can be secured in place with a clamping piece 34a.
  • the clamping piece can be wedge-shaped and held in the groove 32 with corresponding fastening means, not further illustrated, such as screws, bolts, clamping claws or the like.
  • a series of threaded bores may be provided in the console, to which clamping screws for attaching the extension 34 are assigned.
  • Alternative clamping options for the need-based fixation and solution of the linear guide device 30 are possible.
  • the extensions can engage under the housing as a whole and so make the console 31 redundant. The linear guide also results in this case by the displaceability of the extensions along the housing 28th
  • the side part 19 has on the opposite side of the linear guide 29 a similar extension 34 ' on.
  • the side parts 19, 20 formed symmetrically to each other, so that the description of the side part 19 applies mutatis mutandis to the side part 20 and its extensions.
  • Fig. 2 illustrates a distance adjustment device 36, by means of which the side parts 19 and 20 can be moved toward and away from each other.
  • the distance adjusting device 36 comprises a threaded spindle 37 which carries a right-hand thread 38 at one end and a left-hand thread 39 at its other end.
  • the right-hand thread 38 is screwed into a corresponding threaded opening 40, which is formed on the right side part 20, for example in a bushing.
  • the left-hand thread 39 is screwed to a threaded opening 41 which is formed on the side part 19 or a socket 41 a connected thereto.
  • the bushing 41 a is welded or otherwise connected to the side part 20.
  • their length exceeds their diameter.
  • the length is at least twice or three times the inner diameter.
  • the threaded spindle gives the side parts a parallel guidance.
  • a coupling opening 43 for attaching a tool such as a hex key, may be provided.
  • one or more lock nuts 44 can be seated on the threaded spindle 37 in order to secure the threaded spindle 37 in a torque-proof manner as required.
  • the centering device 45 consists of a collar or radial flange 46 which sits axially immovably on the threaded spindle 37.
  • the radial flange 46 engages in a recess 47 in a housing projection 48 (see Fig. 2 and 5 ) educated is.
  • the housing projection 48 may be located centrally on the top of the housing 28.
  • the radial flange 46 is in the embodiment according to Fig. 2 formed centrally on the threaded spindle 37 and fixed the threaded spindle 37 on the housing 28, although rotatable, but axially immovable.
  • other fixing options can be provided, for example, a rolling bearing of the threaded spindle 37 on the housing 28.
  • the fixation does not necessarily have to be arranged centrally. It can just as well be provided at one end of the threaded spindle 37. It is essential that an axial adjustment of the threaded spindle 37 with respect to the housing 28 is prevented.
  • the adjustment of the track is done by turning the threaded spindle 37. As a result, the side parts 19, 20 are moved toward or away from each other. With respect to the housing projection 48, the stroke distance of the right and left housing parts 19, 20 are each uniform. This results from the fact that the pitches of the threads 38, 39 have the same amount but opposite sign.
  • the hoist 17 remains centered with respect to the running rail 10.
  • the chain 18 does not move out of the predetermined by the web 15 level.
  • the threaded spindle 37 can be secured with the lock nut 44 and optionally further locknuts.
  • the extensions 34 can be secured by the clamping pieces 34a or otherwise stationary.
  • FIG. 7 a housing 28 which has only the console 31 instead of a groove, which is under attacked by the extension 34.
  • Fig. 8 illustrates an example to illustrate the fact that the bottom of the console 31 does not necessarily have to be flat or flat.
  • the groove 32 may, if necessary, also have an undercut. This measure keeps the extension 34 particularly secure in the groove 32.
  • a threaded spindle 37 is provided, which is, however, provided here only at its right end with the right-hand thread 38.
  • the left end is rotatably axially retained in a bearing 49 which is attached to the side member 19.
  • the centering device 45 is formed here by a lever apparatus.
  • a longitudinal groove 50 is provided at the top.
  • the groove 50 is oriented transversely to the threaded spindle 37.
  • the longitudinal direction of the groove 50 coincides with the direction of travel of the wheels 21-24.
  • the sliding block 51 is pivotally connected via two links 53, 54 provided on the side parts 19, 20 tabs 55, 56.
  • the nut 52 is connected via links 57, 58 with the tabs 55, 56.
  • the sliding blocks 51, 52 are displaced in the groove 50 toward or away from each other. They hold on the links 53, 54, and 57, 58, the side parts 19, 20 at the same distance from the central groove 50th
  • threaded spindle 37 which carries only the right-hand thread 38
  • a threaded rod with a uniform thread which extends through holes in the side parts 19, 20.
  • the side parts 19, 20 can then be secured with nuts on the threaded spindle and thereby kept at the desired distance.
  • a threaded spindle 37 with right-hand thread 38 and left-hand thread 39 as previously associated with FIG Figure 1 to 8 has been described.
  • this threaded spindle is then not axially fixed to the housing 28. The centering takes place via the separate centering device 45.
  • the spindle 37 alone serves as a distance adjusting device.
  • the Figures 9 and 10 show an alternative embodiment of side part 19 and housing 28 in a schematic representation.
  • the side part 20 is formed corresponding mirror-symmetrically to the side part 19.
  • the side part 19 in turn has the extension 34, which is angled down and thus has a slightly rising portion. This protrudes into the likewise slightly rising trained groove 32.
  • a suitable clamping means may be provided.
  • the clamping means acts from above on the console 31, thus the bracket 31 is tensioned between the angled extension and the clamping means.
  • an eccentric 59 serve as a clamping means, of a side member 19 by cross-bolt 60th worn.
  • the bolt 60 may be secured by a lock nut 61 against rotation.
  • the lock nut 61 is screwed onto the bolt and braces it against the side part 19th
  • FIG. 12 illustrates a further embodiment of side part 19 (and corresponding mirrored side part 20) and the housing 28.
  • the latter can be constructed as previously explained one or more parts. The previous description is based on the already introduced reference numerals accordingly.
  • the projection 34 is provided with a finger 62. This extends downwardly via the groove 32 via a second groove 63, which is arranged in the housing 28 parallel to the first groove 32.
  • the groove 63 is preferably formed as an undercut groove 63. In the groove 63 not shown further Nutensteine can be arranged, each with a threaded hole or other fastening or Verankerrungsmittel. Such nuts are preferably arranged in the groove 63 easily displaced.
  • the finger 62 has, for example at its lower end a aligned with the groove 63 bore 64. Through this hole, a screw can be screwed into the threaded hole of the sliding block. When the screw is tightened, the slightly elastic finger 62 is pressed against the housing. The screw and the finger 62 thus secure the side member 19 (20) immovably and firmly to the housing 28. After loosening the screw, the side member can be provided by operating the Abstandsverstell worn 36, which in one of the embodiments described above can be adjusted along the grooves 32, 63.
  • FIGS. 13 and 14 Another embodiment of the lifting device 11 is in the FIGS. 13 and 14 illustrated.
  • the introduced reference numerals are used in the same way.
  • the previous description applies in particular to all possible implementations and alternatives, with particular regard to the adjustment device 36 accordingly.
  • the modification of the lifting device 11 after FIGS. 13 and 14 consists in the design of the rail 33.
  • This is designed as a hook rail 33a, 33b or z-rail. Their length corresponds to the corresponding length of the housing. In cross section, it is z-shaped or hook-shaped. With a lower leg, it engages under the console 31. Your upper leg lies on the extension 34. In this way, a stable construction with large-scale load introduction into the housing 28 is provided.
  • the hook rail 33a, 33b is preferably made of steel. It can be provided as a milled part or as a sheet metal part. It forms a holding profile that sits securely in the console 31.
  • the upper part forms a hook head 33c which is offset horizontally against a lower hook leg 33d.
  • the extension 34 can stand vertically just above the console 31.
  • the hook rail 33a, 33b is thus torque-free and transmits only tensile forces.
  • the lifting device 11 comprises a chassis 16 and a hoist 17, which via linear guides 29, 30 are interconnected.
  • the chassis 16 comprises two side parts 19, 20, which are adjustable by means of a distance adjusting device 36 with respect to their distance from one another. They are centered by a centering device 45 with respect to the hoist 17, in particular with respect to the traction means emanating from the hoist 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Transmission Devices (AREA)

Claims (12)

  1. Dispositif de levage (10) comprenant un mécanisme de roulement (16) qui présente deux parties latérales (19, 20) comportant chacune au moins une roue (21 - 24), comprenant un mécanisme de levage (17) qui porte un moyen de traction (18) pour la suspension de la charge de manière réglable en hauteur, comprenant un dispositif de guidage linéaire (29, 30), par lequel les parties latérales (19, 20) sont reliées de manière portante au mécanisme de levage (17) et qui définit une direction de déplacement horizontale, le dispositif de guidage linéaire (29, 30) étant, pour la liaison des parties latérales (19, 20) avec le mécanisme de levage (17), formé par une ou deux consoles (31) de type nervures formées sur le mécanisme de levage (17), sous lesquelles s'engagent des prolongements (34, 34') en forme de crochet des parties latérales (19, 20), ou par une rainure correspondante (32) dans laquelle s'engagent les prolongements (34, 34') en forme de crochet des parties latérales (19, 20), comprenant un dispositif de réglage d'écartement (36) pour régler l'écartement des parties latérales (19, 20) l'une de l'autre, caractérisé en ce que le dispositif de levage (11) présente un dispositif de centrage (45) pour produire des mouvements de positionnement de même amplitude et de sens opposés des parties latérales (19, 20) par rapport au mécanisme de levage (17).
  2. Dispositif de levage selon la revendication 1, caractérisé en ce que le mécanisme de roulement (16) présente au moins un organe d'entraînement (25) qui est relié en entraînement à au moins une des roues (24).
  3. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que les parties latérales (19, 20) sont réalisées sous la forme de pièces en tôle cintrées.
  4. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce qu'un rail (33), de préférence en acier, est prévu sur la console (31).
  5. Dispositif de levage selon la revendication 1, caractérisé en ce que le prolongement (34) peut coulisser le long de la console (31).
  6. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de centrage (45) est relié au mécanisme de levage (17).
  7. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de centrage (45) est conçu comme une partie du dispositif de réglage d'écartement (36).
  8. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage d'écartement (36) comprend une broche filetée (37) avec au moins un filetage (38).
  9. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage d'écartement (36) comprend une broche filetée (37) avec un filetage à droite (38) et avec un filetage à gauche (39), le filetage à droite (38) étant en prise avec un filetage (40) associé à une des joues latérales (20), tandis que le filetage à gauche (39) est en prise avec un filetage (41) associé à l'autre joue latérale (19).
  10. Dispositif de levage selon la revendication 9, caractérisé en ce que la broche filetée (37) est solidaire axialement du mécanisme de levage (17).
  11. Dispositif de levage selon l'une des revendications précédentes, caractérisé en ce que le dispositif de réglage d'écartement (36) comprend une broche filetée (37) qui est solidaire axialement d'une des parties latérales (19, 20).
  12. Dispositif de levage selon la revendication 8, caractérisé en ce que la broche filetée est en prise avec une douille filetée (41a) qui est solidaire d'une des parties latérales (19, 29).
EP11799690.0A 2010-12-22 2011-12-19 Engin de levage avec un chassis réglable Not-in-force EP2655240B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202010013182U DE202010013182U1 (de) 2010-12-22 2010-12-22 Hebezeug mit verstellbarem Fahrwerk
DE102010061462A DE102010061462A1 (de) 2010-12-22 2010-12-22 Hebezeug mit verstellbarem Fahrwerk
PCT/EP2011/073229 WO2012084816A1 (fr) 2010-12-22 2011-12-19 Outil de levage pourvu d'un mécanisme de roulement réglable

Publications (2)

Publication Number Publication Date
EP2655240A1 EP2655240A1 (fr) 2013-10-30
EP2655240B1 true EP2655240B1 (fr) 2015-04-22

Family

ID=45401067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11799690.0A Not-in-force EP2655240B1 (fr) 2010-12-22 2011-12-19 Engin de levage avec un chassis réglable

Country Status (8)

Country Link
US (1) US9663331B2 (fr)
EP (1) EP2655240B1 (fr)
JP (1) JP5898231B2 (fr)
KR (1) KR20140022787A (fr)
CN (1) CN103459297B (fr)
BR (1) BR112013016036A2 (fr)
RU (1) RU2566571C2 (fr)
WO (1) WO2012084816A1 (fr)

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US10266183B1 (en) * 2016-02-06 2019-04-23 Oz Lifting Products, LLC Beam trolleys with width adjustment system and related methods
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KR101972796B1 (ko) * 2016-07-20 2019-04-26 박정자 교량 거더 위를 주행하는 프리캐스트 바닥판 운반용 레일카 및 이를 이용한 교량 프리캐스트 바닥판의 시공 방법
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JP5898231B2 (ja) 2016-04-06
RU2566571C2 (ru) 2015-10-27
JP2014502586A (ja) 2014-02-03
WO2012084816A1 (fr) 2012-06-28
BR112013016036A2 (pt) 2018-06-19
KR20140022787A (ko) 2014-02-25
CN103459297A (zh) 2013-12-18
US9663331B2 (en) 2017-05-30
RU2013133958A (ru) 2015-01-27
US20140291271A1 (en) 2014-10-02
CN103459297B (zh) 2016-03-09

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