EP2544984B1 - Bewegliche hebeausrüstung - Google Patents

Bewegliche hebeausrüstung Download PDF

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Publication number
EP2544984B1
EP2544984B1 EP11711491.8A EP11711491A EP2544984B1 EP 2544984 B1 EP2544984 B1 EP 2544984B1 EP 11711491 A EP11711491 A EP 11711491A EP 2544984 B1 EP2544984 B1 EP 2544984B1
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EP
European Patent Office
Prior art keywords
removable
lifting
vertical
equipment according
lifting equipment
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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
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EP11711491.8A
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English (en)
French (fr)
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EP2544984A1 (de
Inventor
Jean-Michel Lacrevaz
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/26—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/344—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes adapted for transport purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable

Definitions

  • the present invention relates to the field of construction machinery, and more particularly to mobile lifting gear.
  • the mobile lifting gear comprises a crane mounted on a truck, the turret of the crane being directly focused on the chassis of the truck.
  • the load is moved by means of a cable connected to a telescopic arm itself attached to the turret.
  • offset is meant the distance to which the load is brought relative to the axis of rotation of the turret.
  • machines of this type need even greater recoil if they have to bring the load over an obstacle such as a building or a power line, all the more so since the offset is important, and we must use a machine of even higher tonnage.
  • a known solution is to put the turret of the crane at the top of a mast.
  • An example of the implementation of this solution is the gear GTK 1100 Grove.
  • the possibilities of using such a machine are limited to sites of great importance, because of the large number of gear and personnel needed for implementation during assembly and also because of the large floor area necessary for his implantation.
  • a machine like this one can not go on sites of difficult access and where the ground is hilly.
  • US 3734223A discloses a hoist according to the preamble of claim 1.
  • the invention therefore aims to overcome the drawbacks of the prior art and to propose a mobile lifting device limiting the costs and environmental impacts due to the use of many machines, while having optimal performance and can access all types of construction site.
  • the present invention relates to a mobile lifting apparatus according to claim 1.
  • Removable lifting element means a device for lifting a load and bringing it to a height and a determined distance.
  • Said removable lifting element comprises for example a rotating turret, telescopic arms and a winch with a lifting cable.
  • removable vertical lifting element is meant a device for vertically raising the removable lifting element.
  • the removable feature describes the fact that these elements are movable on the frame and can be removed.
  • the modular hanging interface allows the different elements to hang on different locations on the chassis according to the needs and constraints of the site and the site.
  • said interface modular hooking allows the passage between the transport position and the working position of the removable elements.
  • the integrated device for transferring the removable elements comprises a rocking means of the removable lifting element, a means of horizontal translation of the vertical elevation element, a means for straightening said removable vertical lifting element and means for fixing said removable elements together.
  • This integrated device for transferring the removable elements in correlation with the modular hooking interface, allows the passage from the transport position to the working position to be carried out by a single operator and without the intervention of an additional machine. .
  • An additional advantage of the invention related to these features is that the deployment of the elements is in a limited space around the machine.
  • the modular attachment interface of the removable elements comprises a female system on the chassis of said lifting machine and a male system on the removable elements.
  • the female system regularly spaced on the frame of said hoist is a succession of orifices with regular spacing arranged on the frame.
  • the male system comprises retractable tapered fingers.
  • the tilting means of the removable lifting element is rotated about a rocker axis located at the rear of said lifting element and said axis of rotation taking support on the Modular interface for hanging the chassis.
  • the rotation about the rocker axis is caused by a thrust exerted by the lifting element.
  • the horizontal translation means of the removable vertical lifting element comprises at least one jack.
  • the securing means between the removable lifting element and the removable vertical lifting element comprises a female system at the upper end of said removable vertical lifting element and a male system on said removable lifting element.
  • the removable vertical lifting element is a telescopic mat.
  • the lifting element comprises a rotary turret and at least two articulated telescopic arms.
  • removable wedging elements are hooked to the frame by the modular hooking interface.
  • wedging element is understood to mean an element making it possible to wedge the hoist according to the invention.
  • it may be telescopic stabilizing arms with at their end a jack allowing a support on the ground.
  • wedging elements can thus be advantageously positioned along the frame according to the obstacles of the ground when the removable elements are in the working position.
  • the removable wedging elements comprise extensible stabilizing arms, stabilizing jacks and a modular coupling mechanism of said jacks including a fixing plate fixed by means of a spacer, parallel and remotely.
  • said cylinder, said mounting plate having horizontal openings
  • said attachment mechanism also having a slide fastened to the extensible stabilizing arm, said slide having a vertical opening into which the mounting plate can be inserted, as well as to less a horizontal opening, said horizontal openings of said fixing plate and said slide allowing the passage of a removable pin.
  • stabilizing stays are stretched between the end of the removable wedging elements and the upper end of the removable vertical lifting element in the working position.
  • the stabilizing stays are hooked to the upper end of the removable vertical lifting element and connected to winches fixed to the ends of the removable wedging elements in the working position.
  • the stabilizing stays are hooked to the ends of the removable wedging elements and connected to winches fixed to the upper end of the removable vertical lifting element in working position.
  • the figure 1 shows an embodiment of the invention.
  • the mobile lifting gear is here shown in the transport position.
  • Said mobile lifting apparatus comprises a frame 1 with its modular hooking interface 3, removable elements are hooked to said modular hooking interface 3. These removable elements are: a lifting element 5 composed of a rotating turret 7 and of two articulated articulated arms 9 (here in the folded position), a vertical elevation element 11 and wedging elements 13.
  • the modular attachment interface 3 comprises a female system consisting of orifices with regular spacing on the frame 1 of the lifting machine.
  • the male system (not shown) corresponding to the system female, is composed of retractable conical fingers controlled for example manually or by a jack, said conical fingers being intended to be housed in the orifices of the female system.
  • This male system is attached to the removable elements and thus allows their attachment to the frame 1.
  • the figure 2 shows the mobile lifting gear during one of the steps of the transfer of the removable elements from a transport position to a working position.
  • the same removable elements as on the figure 1 are represented.
  • the telescopic arms 9 are deployed and their end comes to take support at the front of the hoist, for example by means of a rod fixed between the end of the telescopic arms 9 and the front of the machine lifting.
  • the thrust exerted by said telescopic arms 9 then allows the tilting of the lifting element 5 about an axis of rotation 15.
  • This solution for the tilting of the lifting element is an example because it is everything at makes it possible to imagine another means such as for example the use of a jack.
  • the figure 3 shows the mobile lifting gear in another step of transferring the removable elements from a transport position to a working position.
  • the same removable elements as on the figures 1 and 2 are represented.
  • the telescopic arms 9 are folded and the lifting element 5 is held in the tilted position.
  • the vertical elevation element 11 performs a horizontal translation movement by means of one or more cylinders (not shown) taking support on the frame 1.
  • the vertical elevation element 11 is thus brought to the level of the element 5 and the lower portion of said lifting element 5 is attached to the upper end of said vertical elevation element 11 by a male / female fastening system.
  • the female system located on the upper part of the vertical elevation element 11 is identical to the female system of the modular attachment interface 3 of the frame 1 and the male system located on the lifting element 5 is the one that allowed its attachment to the chassis 1.
  • the figure 4 shows the mobile lifting gear in another step of transferring the removable elements from a transport position to a working position.
  • the same removable elements as in the previous figures are shown.
  • the lifting element 5, now attached to the upper end of the vertical lifting element 11, is detached from the axis of rotation 15 and a rectifying means 17 brings the assembly composed of the lifting element 5 and the vertical elevation element 11 to a vertical position.
  • Said vertical elevation element 11 is fixed to the chassis 1 by the modular coupling interface 3.
  • Said rectifying means 17 may for example be a jack attached to the frame 1 or this rectifying means may be provided by a movement of the deployed telescopic arms 9, the end of which is fixed to the front of the lifting gear .
  • the assembly consisting of the lifting element 5 and the vertical lifting element 11 tilts around an axis formed by the modular hooking interface 3.
  • the figure 5 shows the mobile lifting gear in working position according to one embodiment of the invention.
  • the same removable elements as in the previous figures are shown.
  • the telescopic arms 9 of the lifting element 5 are fully deployed, the vertical elevating element 11 is also fully deployed.
  • the wedging elements 13 are in place which allows good stability of the hoist when the removable elements are in the working position.
  • stabilizing stays 19 are stretched between the upper end of the vertical lifting element 11 and the ends of the elements.
  • the stabilizing struts 19 are tensioned by means of winches fixed on the ends of the wedging elements 13.
  • a variant of this solution is to fix the winches at the upper end of the vertical lifting element 11.
  • the stabilizing stays 19 can be directly attached to the ends of the wedging elements 13. It is also possible, in this case, to pass the stabilizing stays in pulleys at the ends of the wedging elements and to hang said stabilizing stays in the middle of the height of the vertical elevation element.
  • sensors measure the support force and the tension of the stabilization stays 19. In case of anomaly or large differences between the different measurements, all activity is stopped by a security.
  • FIGS. 6 and 7 show a modular attachment mechanism of the cylinders 20 at the ends of the stabilizing arms 30 of the wedging elements 13.
  • Said modular attachment mechanism comprises a slide 24 fixed to the end of the stabilizing arm 30, and a plate of rectangular fixing 22 fixed to the jack 20 by means of a spacer 21, parallel and at a distance from said jack 20.
  • the slideway 24 comprises a vertical "T" opening into which the fixing plate 22 and the spacer 21 are inserted, thus the assembly formed by the jack 20, the spacer 21 and the fixing plate 22 can be move vertically relative to the assembly formed by the slide 24 and the stabilizing arm 30.
  • the fastening plate 22 comprises, at regular intervals on the surface opposite the jack 20, horizontal openings 26 along the entire width of said plate. 22.
  • the slide 24 comprises at least one horizontal opening 28, passing through said slide 24 from one side to the vertical opening in which the fixing plate 22 is inserted.
  • the horizontal openings 26 of the fixing plate 22 and the at least one horizontal opening of the slide 24 allows the passage of a removable pin. Said removable pin passes through the slide 24 and the fixing plate 22, thus blocking all movements of the assembly formed by the jack 20, the spacer 21 and said fixing plate 22, with respect to the assembly formed by said slideway 24 and the stabilizing arm 30.
  • This modular attachment mechanism makes it possible to adapt the vertical positioning of the jack 20 to the irregularities of the ground and thus to avoid the transport in large quantities of shims.
  • the mobile lifting device does not require counterweight manipulation, the transfer of the removable elements from a transport position to a working position is in a restricted area, limited by the ends of the wedging elements 13 in working position and requires the intervention of only one operator and no other gear. Said transfer of the removable elements from the transport position to the working position is advantageously controlled by sensors that stop any movement in case of mishandling or accidents.
  • An example of a mobile lifting device is a hoisting machine with a width of approximately 2.50m, equipped with a chassis 1 with a modular interface for hooking 3. Said hoist having 4 with 6 independent axles for an optimal crossing in rough ground, with all the driving and motor wheels.
  • the removable elements are attached to the frame 1 in the transport position via the modular attachment interface 3, so that the total width of the hoist does not exceed 2.50m approximately. This reduced width allows the mobile lifting gear according to the invention to go to areas of work more difficult to access, because it is more manoeuvrable.
  • the vertical elevation element 11 is a telescopic mast with a deployment height of 43m, the lifting element 5 having 2 telescopic arms with a deployment length of 50m.
  • a hoist according to the example above can thus take a load of 2 tons at a height of 92m with a 10m offset.
  • 10m For an equivalent offset of 10m, it can take a load of 5 tons to 79m high, 20 tons to 56m high and 35 tons to 43m high.
  • a machine according to the example can take a load of 6 tons to 56m high and 9 tons to 50m.
  • this hoist according to the example can take a load of 1.5 tons at a height of 43m.
  • a hoist according to the example also comprises wedging elements 13 positionable on the frame 1 according to the obstacles and constraints of the ground.
  • These wedging elements 13 have cylinders 20 whose body is positionable in height on the end of the stabilizing arms 30. These same cylinders are provided with a very large stroke and are adjustable independently of one another. The characteristics of these wedging elements thus allow the hoist according to the example, to settle on land with a slope up to 40% and closer to the obstacles.
  • the mobile lifting device according to the invention, the costs because it allows to perform tasks assigned to lifting gear of higher tonnage and therefore its environmental impact is even more reduced.

Claims (12)

  1. Bewegliche Hebeausrüstung, die Folgendes umfasst:
    ▪ ein lösbares Hebeelement (5), das ein Drehgestell (7) und mindestens zwei teleskopische Arme (9) umfasst, und
    ▪ ein lösbares Element (11) zum vertikalen Anheben, das ein vertikales Anheben des lösbaren Hebeelements (11) gestattet,
    ▪ eine modulare Befestigungsschnittstelle (3) des lösbaren Hebeelements (5) und des lösbaren Elements (11) zum vertikalen Anheben am Chassis (1), wobei die modulare Befestigungsschnittstelle (3) ein Aufnahmesystem der modularen Befestigungsschnittstelle (3) umfasst, das sich an dem Chassis (1) befindet, dadurch gekennzeichnet, dass sich das Stecksystem der modularen Befestigungsschnittstelle (3) zugleich an dem lösbaren Hebeelement (5) und dem lösbaren Element (11) zum vertikalen Anheben befindet, so dass das lösbare Hebeelement (5) und/oder das lösbare Element (11) zum vertikalen Anheben an dem Chassis (1) fixiert werden kann, und
    ▪ eine integrierte Vorrichtung zur Verlagerung des lösbaren Hebeelements (5) und des lösbaren Elements (11) zum vertikalen Anheben zwischen einer Transportposition und einer Betriebsposition der lösbaren Elemente.
  2. Hebeausrüstung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die integrierte Vorrichtung zur Verlagerung des lösbaren Hebeelements (5) und des lösbaren Elements (11) zum vertikalen Anheben ein Mittel zum Schwenken des lösbaren Hebeelements (5), ein Mittel zur horizontalen Translationsbewegung des Elements (11) zum vertikalen Anheben, ein Mittel (17) zum Aufrichten des lösbaren Elements (11) zum vertikalen Anheben und ein Mittel zur Fixierung der lösbaren Elemente aneinander umfasst.
  3. Hebeausrüstung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Aufnahmesystem des Chassis (1) der Hebeausrüstung eine Folge von Öffnungen ist, die in regelmäßigen Abständen an dem Chassis (1) angeordnet sind.
  4. Hebeausrüstung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Stecksystem einziehbare konische Finger umfasst.
  5. Hebeausrüstung nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass das Mittel zum Schwenken des lösbaren Hebeelements durch Drehung um eine Drehachse (15), die sich beim hinteren Teil des Hebeelements (5) befindet, sichergestellt wird und die Drehachse (15) an der modularen Befestigungsschnittstelle (3) des Chassis (1) anliegt.
  6. Hebeausrüstung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Drehung um die Schwenkachse (15) durch eine von dem Hebeelement (5) ausgeübte Druckkraft herbeigeführt wird.
  7. Hebeausrüstung nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass das Mittel zur Fixierung des lösbaren Hebeelements (5) und des lösbaren Elements (11) zum vertikalen Anheben aneinander ein Aufnahmesystem an dem oberen Ende des lösbaren Elements (11) zum vertikalen Anheben und ein Stecksystem an dem lösbaren Hebeelement (5) umfasst.
  8. Hebeausrüstung nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass lösbare Verkeilungselemente (13) über die modulare Befestigungsschnittstelle (3) am Chassis (1) befestigt sind.
  9. Hebeausrüstung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die lösbaren Verkeilungselemente (13) ausziehbare Stabilisierungsarme (30), Stabilisierungsausleger (20) und einen modularen Mechanismus zur Befestigung der Ausleger (20) umfassen, der eine Fixierungsplatte (22) umfasst, die mit einem Abstandsstück (21) parallel und von dem Ausleger (20) beabstandet fixiert ist, wobei die Fixierungsplatte (22) horizontale Öffnungen (26) umfasst, wobei der Befestigungsmechanismus auch eine Führungsbahn (24) umfasst, die an dem Stabilisierungsarm (30) fixiert ist, wobei die Führungsbahn (24) eine vertikale Öffnung, in die die Fixierungsplatte (22) eingeführt werden kann, und mindestens eine horizontale Öffnung (28) umfasst, wobei die horizontalen Öffnungen (26, 28) der Fixierungsplatte (22) und der Führungsbahn (24) das Hindurchführen eines lösbaren Stifts gestatten.
  10. Hebeausrüstung nach einem der Ansprüche 8 und 9, dadurch gekennzeichnet, dass in der Betriebsposition Stabilisierungsstreben (19) zwischen dem Ende der lösbaren Verkeilungselemente (13) und dem oberen Ende des lösbaren Elements (11) zum vertikalen Anheben gespannt sind.
  11. Hebeausrüstung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Stabilisierungsstreben (19) in der Betriebsposition an dem oberen Ende des lösbaren Elements (11) zum vertikalen Anheben befestigt und mit Winden verbunden sind, die an den Enden der lösbaren Verkeilungselemente (13) fixiert sind.
  12. Hebeausrüstung nach Anspruch 10, dadurch gekennzeichnet, dass die Stabilisierungsstreben (19) in der Betriebsposition an den Enden der lösbaren Verkeilungselemente (13) befestigt und mit Winden verbunden sind, die an dem oberen Ende des lösbaren Elements (11) zum vertikalen Anheben fixiert sind.
EP11711491.8A 2010-03-12 2011-03-10 Bewegliche hebeausrüstung Not-in-force EP2544984B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1001009A FR2957338B1 (fr) 2010-03-12 2010-03-12 Engin de levage mobile
PCT/EP2011/053647 WO2011110643A1 (fr) 2010-03-12 2011-03-10 Engin de levage mobile

Publications (2)

Publication Number Publication Date
EP2544984A1 EP2544984A1 (de) 2013-01-16
EP2544984B1 true EP2544984B1 (de) 2017-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11711491.8A Not-in-force EP2544984B1 (de) 2010-03-12 2011-03-10 Bewegliche hebeausrüstung

Country Status (3)

Country Link
EP (1) EP2544984B1 (de)
FR (1) FR2957338B1 (de)
WO (1) WO2011110643A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1067799A (fr) * 1952-12-18 1954-06-18 Chantiers Et Ateliers De Const Système de montage et démontage en vue du transport des grues à tour
GB1374253A (en) * 1971-05-06 1974-11-20 Gen Crane Industries Mobile tower cranes
US3734223A (en) * 1971-06-29 1973-05-22 L Anderson Vehicle frame and interchangeable components

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2544984A1 (de) 2013-01-16
FR2957338B1 (fr) 2012-04-20
FR2957338A1 (fr) 2011-09-16
WO2011110643A1 (fr) 2011-09-15

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