EP3393962B1 - Lifting unit, and crane with a lifting jib comprising such a lifting unit - Google Patents

Lifting unit, and crane with a lifting jib comprising such a lifting unit Download PDF

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Publication number
EP3393962B1
EP3393962B1 EP16812997.1A EP16812997A EP3393962B1 EP 3393962 B1 EP3393962 B1 EP 3393962B1 EP 16812997 A EP16812997 A EP 16812997A EP 3393962 B1 EP3393962 B1 EP 3393962B1
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EP
European Patent Office
Prior art keywords
jib
lifting unit
cylinder
foot
counter
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.)
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Application number
EP16812997.1A
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English (en)
French (fr)
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EP3393962A1 (de
Inventor
Michel Lissandre
Sylvain Raymond
Gabriel FRAISSE
Michael Mollenthiel
Tania GARCIA LOVERA
Florent MOURIN
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.)
Manitowoc Crane Group France SAS
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Manitowoc Crane Group France SAS
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Application filed by Manitowoc Crane Group France SAS filed Critical Manitowoc Crane Group France SAS
Publication of EP3393962A1 publication Critical patent/EP3393962A1/de
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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
    • 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
    • B66C23/365—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 dismantable into smaller units 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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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
    • B66C23/62—Constructional features or details
    • 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
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0392—Movement of the crane arm; Coupling of the crane arm with the counterweights; Safety devices for the movement of the arm

Definitions

  • the present invention relates to a lifting unit for composing a lifting jib crane.
  • the present invention relates to a lifting jib crane comprising such a lifting unit.
  • the present invention relates to an assembly method for assembling such a luffing jib crane.
  • the present invention applies to the field of tower cranes comprising a lifting boom.
  • the present invention can be applied to several crane structures, for example to structures composed of trellis and members.
  • GB1374253A describes a tower crane comprising a mast, a lifting boom, a lifting unit and a rotation device for rotating the lifting unit.
  • the lifting unit of GB1374253A comprises a proximal part of the lifting jib, a counter-jib supporting a balancing ballast, a securing part arranged between the jib and the counter-jib, as well as a jack which is substantially vertical and which is connected, on the one hand, to the boom and, on the other hand, to the mast.
  • the lifting unit of GB1374253A is bulky, which requires detaching the cylinder from the boom and mast before transporting the crane.
  • the connecting elements between boom, cylinder and mast are exposed to shocks and pollution, which reduces their lifespan as the crane is repeatedly disassembled.
  • the assembly or disassembly operations of the crane are quite long.
  • the number of parts to be managed and stored separately is relatively large.
  • the object of the present invention is in particular to solve, in whole or in part, the problems mentioned above.
  • the actuator extends between the jib foot and the counter-jib.
  • the cylinder is in a retracted position.
  • the second part of the jack is not mechanically connected to the mast of the crane.
  • such a lifting unit has a relatively small size, because the jack is mechanically connected on the one hand to the boom foot and on the other hand to the securing part.
  • the lifting unit can be transported, assembled on a crane, and then disassembled from a crane as a unitary block, that is to say by preserving all its components (boom foot, counter boom, securing part, jack) mechanically linked together.
  • the connecting elements of the jib foot, of the securing part, of the counter-jib and of the jack can remain permanently mechanically connected, in particular during the initial assembly in the factory, during transport, storage, mounting, dismounting, corrective or preventive maintenance of the lifting unit.
  • connection elements make it possible to protect the connection elements against shocks or pollution, in particular the ball joints of the foot. boom and cylinder joints, thus maximizing their service life. Indeed, the ball joints of the boom foot and the articulations of the jack always remain mechanically connected to the structure of the lifting unit.
  • the connecting elements which are relatively fragile, risk being damaged during multiple assemblies and disassemblies.
  • a lifting unit makes it possible to reduce the duration of the assembly or disassembly operations of the crane with lifting jib. Furthermore, such a lifting unit improves the safety of the operators responsible for these assembly or disassembly operations. In addition, such a lifting unit reduces the number of parts to be managed and stored separately, because all the components of the lifting unit remain secured to each other.
  • the arrow foot corresponds to the base of the arrow, that is to say to the proximal part of the arrow.
  • the boom foot generally compotes a pivot axis, around which the jack raises or lowers the boom when the lifting unit is in service.
  • the boom foot is movable between a lowered position and a raised position when the lifting unit is in use.
  • proximal and distal characterize an element according to its position, close or distant, relative to the counter-jib. Thus, a proximal element is relatively close to the counter-jib, while a distal element is relatively distant from the counter-jib.
  • the securing part comprises a punch.
  • the securing portion is configured to secure by embedding at the top of the mast of the crane with lifting jib.
  • the securing part has a generally triangular section in a vertical plane including the vertical axis around which the jib turns when the lifting jib crane is in service.
  • the securing part may for example have a prismatic shape with a triangular base or a tetrahedral shape with a triangular base.
  • the lifting unit further comprises a lifting winch for lifting a load suspended from the boom.
  • the joining part directly connects the jib foot to the counter-jib.
  • the securing part may indirectly connect the jib foot to the counter-jib, that is to say with at least one intermediate component between the jib foot and the counter-jib.
  • the counter-jib is arranged opposite the jib foot relative to the securing portion.
  • the counter-jib is arranged opposite the jib foot relative to the mast when the lifting unit is assembled on the lifting jib crane in service configuration.
  • the counter-jib fulfills the function of counterweight to compensate for the dead weight of the jib plus the weight of the load suspended from the jib.
  • the securing part further comprises a connecting portion which is configured to mechanically connect the jib foot to the counter-jib.
  • Such a connecting portion ensures the mechanical cohesion of several components of the lifting unit.
  • the first cylinder part and the second cylinder part are each equipped with an articulation ball joint, and the first cylinder part and the second cylinder part are mechanically connected respectively to the boom foot and to the joining part not only in the service configuration but also in the transport configuration.
  • the jack remains attached to the jib foot at each assembly and disassembly of the lifting jib crane. It is therefore not necessary to separate the cylinder from the boom foot.
  • the lifting unit forms a unitary block easy to transport, to assemble on a crane and to disassemble from a crane.
  • this unitary block protects the cylinder.
  • the jack is generally located between a region distal to the boom foot and the securing part.
  • Such a jack does not exceed or little more than a volume delimited by the jib foot and the counter-jib.
  • the lifting unit has a small footprint, which makes it easy to transport and handle.
  • the jack is completely located in a volume delimited on the one hand by the jib foot and on the other hand by the counter-jib.
  • the jack is a linear jack configured to pass from a retracted position, in which the boom foot is in the lowered position, to a deployed position, in which the boom foot is in the raised position, the jack in the retracted position extending in a cylinder direction which forms an angle between -30 degrees and +30 degrees with a horizontal direction when the lifting unit is in the transport configuration.
  • the lifting unit can be stored and transported in a conventional container (40 feet) whose lower wall is horizontal.
  • the cylinder direction is substantially parallel to the horizontal direction.
  • the first cylinder part is located on a distal end portion of the cylinder, and the second cylinder part is located on a proximal end portion of the cylinder.
  • the first actuator portion may be located at the distal end of the actuator, and the second actuator portion may be located at the proximal end of the actuator.
  • the jack is configured to be in the retracted position when the lifting unit is in the transport configuration.
  • the lifting unit is particularly compact in the transport configuration.
  • the cylinder rod is protected in this transport configuration.
  • the jack is also in the retracted position when the lifting unit is in the handling, storage, mounting, dismantling and maintenance phases.
  • the jack can be protected, in particular its rod, against attack, shock, corrosion and external pollution during all manipulations of the jack.
  • the jib foot comprises an upper part and a lower part, the upper part being located above the lower part when the lifting unit is in service configuration with the jib foot in the lowered position.
  • the lifting unit further comprising a pivot axis arranged between the jib foot and the counter-arrow so that the pivot axis is located higher than the lower part when the lifting unit is in service configuration with the boom foot in the lowered position, the upper part being fixed to the pivot axis and the lower part being fixed to the first cylinder part, so that the cylinder can push the boom along an axis extending substantially in the extension of the lower members of the boom when the lifting unit is in service configuration with the boom foot lowered.
  • the pivot axis is located substantially at the altitude of the upper part when the lifting unit is in service configuration with the boom foot lowered.
  • this keeps the fluid and / or electrical connections of the jack in the retracted position when the lifting unit is in the transport configuration (compact).
  • the jack generally rests on the vertical mast of the lifting jib crane, which implies disconnecting the jack before transporting the components of the lifting jib crane.
  • the pivot axis is mechanically connected to the securing part not only in the service configuration but also in the transport configuration.
  • the pivot axis is provided with articulation ball joints.
  • the lifting unit further comprises a supply device configured to supply energy to the jack so as to raise the jib foot, the supply device being fixed to the counter-jib so that the feed device can be transported with the counter-jib when the lifting unit is in the transport configuration.
  • such a device for supplying the jack is transportable with the other components of the lifting unit, which dispenses with dismantling the supply device.
  • the feed device is removably attached to the counter-jib.
  • the feeding device can be detached and transported separately from the other components of the lifting unit or of the handling or assembly machine, which is useful when the transport vehicle has a small capacity.
  • the cylinder is a linear hydraulic cylinder
  • the supply device is a hydraulic unit
  • the jack is a linear electric jack
  • the supply device is a power station
  • the quick couplings are placed in the junction region between the counter-jib and the securing part.
  • the hydraulic unit is located near the jack.
  • the lifting unit has a maximum length of less than 12 m, a maximum width of less than 2.25 m and a maximum height of less than 2.5 m.
  • the size of the lifting unit corresponds substantially to the size of road, rail or sea transport.
  • the footprint of the lift unit is less than the volume of a conventional 40-foot-long container, which makes it easy to transport the lift unit. So these dimensions allow the jib foot to remain always connected to the counter-jib via the securing part.
  • the securing part comprises members assembled so as to form a non-deformable assembly.
  • such a non-deformable assembly forms, on one side, a part embedded in the mast to support the counter-jib and, on the other side, a hinge support for the jib foot, therefore for the jib.
  • the members of the joining part are assembled in a removable manner.
  • the members of the securing part are assembled in a non-removable manner.
  • the joining part is in one piece.
  • the counter-jib and the securing portion are in one piece.
  • the securing portion extends the counter-jib at the top of the mast.
  • the lifting unit further comprises a rotation device which is configured to rotate the lifting unit around a substantially vertical axis when the lifting unit is in use.
  • a rotation device can be transported in the unit block forming the lifting unit, which dispenses with mounting and dismounting the rotation device.
  • the rotation device includes a cabin unit.
  • the cabin unit and the rotation device can be assembled separately.
  • the lifting jib crane further includes a rotation device configured to rotate the lifting unit and the lifting jib around a substantially vertical axis when the lifting jib crane is in service.
  • the counter-jib and the securing part are mechanically connected by embedding.
  • the assembly method further comprises a step consisting in balancing the lifting jib crane by placing ballast on the counter-jib.
  • the assembly method further comprises a step consisting in adjusting the safety devices. After this adjustment step, the jack can push the boom foot, so raise the boom.
  • the lifting unit 1 In transport configuration ( figure 2 ), the lifting unit 1 has a maximum length L1 less than 12 m, a maximum width W1 less than 2.25 m and a maximum height H1 less than 2.5 m.
  • the boom foot 2 is intended to form the proximal part of the boom 102 when the lifting unit 1 is in service configuration ( Figures 7 and 8 ).
  • the counter-jib 4 is configured to support a ballast 5 intended to balance the jib 102.
  • the counter-jib 4 comprises i) a rear part 4.2 having a space for receiving the ballast 5 and ii) retaining rods 4.5 arranged to guide and retain the ballast 5.
  • the bottom of the counter-jib 4 comprises a platform extending from the rear part 4.2 to the securing part 6.
  • the securing portion 6.1 is configured to be secured by embedding at the top 105 of the mast 104.
  • the securing portion 6.1 is here secured at the top 105 of the mast 104 by axes 6.10.
  • the counter-jib 4 and the connecting portion 6.2 are here mechanically connected by embedding, therefore integral and without degree of mobility between them.
  • the connecting portion 6.2 is arranged between the jib foot 2 and the counter-jib 4.
  • the connecting portion 6.2 connects, here directly, the jib foot 2 to the jib 4.
  • the jib foot 2 and the counter arrow 4 are therefore mechanically connected via the connecting portion 6.2.
  • the joining part 6 here comprises members 6.0 assembled so as to form a non-deformable assembly.
  • the 6.0 members are assembled here in a removable manner.
  • the securing part 6 supports the boom 102 when the lifting jib crane 100 is in service, the securing part 6 is sometimes called "boom holder".
  • the joining part 6 has a generally triangular section in a vertical plane including the substantially vertical axis Z around which the boom 102 rotates when the lifting jib crane 100 is in service.
  • the joining part 6 here has a prismatic shape with a triangular base, as shown in the figure 2 .
  • the cylinder 8 comprises a first cylinder part 8.1 and a second cylinder part 8.2.
  • the first cylinder part 8.1 is mechanically connected to the jib foot 2 so that the jib foot 2 is movable between the position lowered and the position raised.
  • the jack 8 makes it possible to raise or lower the jib 102, by means of the jib foot 2.
  • the first jack part 8.1 is located at the distal end of the jack 8.
  • the first jack part 8.1 is mechanically connected to the jib foot 2 by a pivot link around a pivot axis Y8.1 visible to the Figures 5 and 6 .
  • the second cylinder part 8.2 is mechanically connected to the connecting portion 6.2.
  • the second cylinder part 8.2 is located on the proximal end of the cylinder 8.
  • the second cylinder part 8.2 is mechanically connected to the connection portion 6.2 by a pivot connection around an axis of pivoting Y8.2 visible at Figures 5 and 6 .
  • the jack 8 is here a linear hydraulic jack, which is configured to pass from a retracted position, in which the jib foot 2 is in the lowered position, to a deployed position, in which the jib foot 2 is in the raised position.
  • the first cylinder part 8.1 and the second cylinder part 8.2 are each equipped with a hinge ball joint.
  • the first cylinder part 8.1 is mechanically connected to the jib foot 2, by its articulation ball joint, not only in the service configuration but also in the transport configuration.
  • the second cylinder part 8.2 is mechanically connected, by its articulation ball joint, to the connection portion 6.2 not only in the service configuration but also in the transport configuration.
  • the lifting unit 1 further comprises a supply device 10 which is configured to supply energy to the actuator 8 so as to raise the jib foot 2.
  • the supply device 10 is here a hydraulic unit configured to supply the hydraulic cylinder 8. When it is supplied with energy, the jack 8 can raise the jib foot 2.
  • the feed device 10 is here located relatively close to the jack 8, opposite the location provided for the ballast 5.
  • the feed device 10 is fixed to the counter-jib 4.
  • the feed device 10 can thus be transported with the counter-jib 4 when the lifting unit 1 is in the transport configuration.
  • the supply device 10 can remain fixed to the counter-jib 4.
  • the jack 8 extends between the jib foot 2 and the counter-jib 4.
  • the jack 8 is generally located between a region distal to the jib foot 2 and the securing part 6.
  • the jack 8 is here completely located volume delimited on the one hand by the jib foot 2 and on the other hand by the counter-jib 4.
  • the cylinder direction X8 here forms an angle A8 approximately equal to -20 degrees with the horizontal direction X, as shown in the figures 1 and 8 .
  • the jack 8 is in the retracted position when the lifting unit 1 is in the transport configuration.
  • the jack 8 is also in the retracted position when the lifting unit 1 is in the handling, storage, assembly, disassembly, maintenance phases.
  • the jack 8 can also be in the retracted position when the lifting unit 1 is in service configuration with the jib foot 2 in the lowered position.
  • the lifting unit 1 further comprises conduits 12 for conducting the liquid between the supply device 10 and the jack 8.
  • the lifting unit 1 comprises quick couplings 14 arranged between the jack 8 and the device supply 10.
  • the quick connectors 14 are located closer to the supply device 10 than to the jack 8.
  • the quick connectors 14 can be placed in the junction region 4.6 between the counter-jib 4 and the securing part 6.
  • the boom foot 2 comprises an upper part 2.1 and a lower part 2.2.
  • the upper part 2.1 is located above the lower part 2.2 when the lifting unit 1 is in service configuration with the jib foot 2 lowered ( Figures 5 and 6 ).
  • the lifting unit 1 also comprises a pivot axis Y2.4.
  • the pivot axis Y2.4 is arranged between the jib foot 2 and the counter-jib.
  • the pivot axis Y2.4 is located higher than the lower part 2.2 when the lifting unit 1 is in service configuration with the boom foot 2 lowered ( Figures 5 and 6 ).
  • the pivot axis Y2.4 is here located substantially at the altitude of the upper part 2.1 when the lifting unit 1 is in service configuration with the jib foot 2 lowered.
  • the upper part 2.1 is fixed to the pivot axis Y2.4 and the lower part 2.2 is fixed to the first cylinder part 8.1.
  • the jack 8 can thus push the boom 2 along an extension axis extending substantially in the extension of the lower members 102.0 of the boom 102 when the lifting unit 1 is in service configuration with the boom foot 2 lowered ( Figures 5 and 6 ).
  • This extension axis here corresponds to the horizontal direction X represented in the figure 1 .
  • the jib foot 2 When the lifting jib crane 100 is in service, with the lifting unit 1 is in service, the jib foot 2 forms the proximal part of the jib 102.
  • the jib foot 2 comprises the axis of pivot Y2.4, around which the jack 8 raises or lowers the boom 102.
  • the boom foot 2 is movable between a lowered position ( figures 5, 6 , 8 and 9 ) and a raised position when the lifting unit 1 is in service.
  • the pivot axis Y2.4 is mechanically connected to the securing part 6 not only in the service configuration but also in the transport configuration.
  • the pivot axis Y2.4 is provided with articulation ball joints.
  • the lifting unit 1 can be transported as a unitary block retaining all of its components linked together.
  • the connecting elements of the jib foot 2, of the counter-jib 4, of the securing part 6 and of the jack 8 can remain connected (mechanically, hydraulically and / or electrically) permanently.
  • the lifting unit 1 here comprises a rotation device 16 which is configured to rotate the lifting unit 1 and the lifting jib 102 relative to the mast 104 and around the substantially vertical axis Z when the crane with lifting boom 100 is in service.
  • the rotation device 16 is usually called the slewing ring.
  • the securing portion 6 makes it possible to support the counter-jib 4 on one side and to support the jib foot 2, therefore all of the jib 102, on the other side .
  • the counter-jib 4 is arranged opposite the jib foot 2 relative to the mast 104.
  • the lifting unit 1 also comprises a lifting winch intended to lift a load suspended from the boom 102.
  • the assembly method 200 here comprises a step 206 consisting in balancing the lifting jib crane 100 by placing ballast 5 on the counter-jib 4.
  • the assembly method 200 comprises a step 207 consisting in adjusting the safety devices. After this adjustment step 207, the jack 8 can push the jib foot 2, therefore raise the jib 102.

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

Claims (16)

  1. Hebeeinheit (1) zum Zusammenstellen eines Krans mit anhebbarem Ausleger (100), wobei die Hebeeinheit (1) mindestens Folgendes umfasst:
    - einen Auslegerfuß (2), der dazu bestimmt ist, den proximalen Teil eines Auslegers (102), der dem Kran mit anhebbarem Ausleger (100) angehört, zu bilden, wenn die Hebeeinheit (1) in Betriebskonfiguration ist,
    - einen Gegenausleger (4), der konfiguriert ist, um einen Ballast (5) zu tragen, der dazu bestimmt ist, den Ausleger (102) auszugleichen,
    - einen Teil zur festen Verbindung (6), der zwischen dem Auslegerfuß (2) und dem Gegenausleger (4) angeordnet ist, wobei der Teil zur festen Verbindung (6) einen Abschnitt zur festen Verbindung (6.1) umfasst, der konfiguriert ist, um die Hebeeinheit (1) fest mit einem Mast (104) des Krans mit anhebbarem Ausleger (100) zu verbinden, und
    - einen Zylinder (8), der einen ersten Zylinderteil (8.1) und einen zweiten Zylinderteil (8.2) umfasst, wobei der erste Zylinderteil (8.1) mechanisch an dem Auslegerfuß (2) befestigt ist, sodass der Auslegerfuß (2) mindestens zwischen einer abgesenkten Position und einer angehobenen Position beweglich ist,
    wobei die Hebeeinheit (1) konfiguriert ist, um mindestens wie folgt platziert zu sein:
    - in einer Betriebskonfiguration, in der der Zylinder (8) den Auslegerfuß (2) zwischen der abgesenkten Position und der angehobenen Position verschieben kann, und
    - in einer Transportkonfiguration, in der der Auslegerfuß (2) in abgesenkter Position ist,
    wobei die Hebeeinheit (1) dadurch gekennzeichnet ist, dass der zweite Zylinderteil (8.2) mechanisch an dem Teil zur festen Verbindung (6) befestigt ist.
  2. Hebeeinheit (1) nach dem vorstehenden Anspruch, wobei der Teil zur festen Verbindung (6) weiter einen Befestigungsabschnitt (6.2) umfasst, der konfiguriert ist, um den Auslegerfuß (2) mechanisch an dem Gegenausleger (4) zu befestigen.
  3. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der erste Zylinderteil (8.1) und der zweite Zylinderteil (8.2) jeweils mit einem Artikulationskugelgelenk ausgestattet sind, und wobei der erste Zylinderteil (8.1) und der zweite Zylinderteil (8.2) nicht nur in der Betriebskonfiguration, sondern auch in der Transportkonfiguration jeweils mechanisch an dem Auslegerfuß (2) und an dem Teil zur festen Verbindung (6) befestigt sind.
  4. Hebeeinheit (1) nach dem vorstehenden Anspruch, wobei sich der Zylinder (8) im Allgemeinen zwischen einer distalen Region des Auslegerfußes (2) und dem Teil zur festen Verbindung (6) befindet.
  5. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der Zylinder (8) ein Linearzylinder ist, der konfiguriert ist, um von einer eingezogenen Position, in der der Auslegerfuß (2) in der abgesenkten Position ist, in eine ausgefahrene Position überzugehen, in der der Auslegerfuß (2) in angehobener Position ist, wobei sich der Zylinder (8) in eingezogener Position in einer Zylinderrichtung (X8) erstreckt, die einen Winkel (A8) bildet, der zwischen - 30 Grad und + 30 Grad zu einer horizontalen Richtung (X) enthalten ist, wenn die Hebeeinheit (1) in Transportkonfiguration ist.
  6. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der Zylinder (8) konfiguriert ist, um in eingezogener Position zu sein, wenn die Hebeeinheit (1) in Transportkonfiguration ist.
  7. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der Auslegerfuß (2) einen oberen Teil (2.1) und einen unteren Teil (2.2) umfasst, wobei sich der obere Teil (2.1), wenn die Hebeeinheit (1) in Betriebskonfiguration mit dem Auslegerfuß (2) in abgesenkter Position ist, über dem unteren Teil (2.2) befindet,
    wobei die Hebeeinheit (1) weiter eine Schwenkachse (Y2.4) umfasst, die zwischen dem Auslegerfuß (2) und dem Gegenausleger (4) angeordnet ist, sodass sich die Schwenkachse (Y2.4), wenn die Hebeeinheit (1) in Betriebskonfiguration mit dem Auslegerfuß (2) in abgesenkter Position ist, höher als der untere Teil (2.2) befindet,
    wobei der obere Teil (2.1) an der Schwenkachse (Y2.4) fixiert ist und der untere Teil (2.2) an dem ersten Zylinderteil (8.1) fixiert ist, sodass der Zylinder (8) den Ausleger (2) entlang einer Achse schieben kann, die sich im Wesentlichen in der Verlängerung der unteren Rippen des Auslegers (2) erstreckt, wenn die Hebeeinheit (1) in Betriebskonfiguration mit dem abgesenkten Auslegerfuß (2) ist.
  8. Hebeeinheit (1) nach dem vorstehenden Anspruch, wobei die Schwenkachse (Y2.4) nicht nur in der Betriebskonfiguration, sondern auch in der Transportkonfiguration mechanisch an dem Teil zur festen Verbindung (6) befestigt ist.
  9. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, weiter eine Versorgungsvorrichtung (10) umfassend, die konfiguriert ist, um den Zylinder (8) derart mit Energie zu versorgen, um den Auslegerfuß (2) anzuheben, wobei die Versorgungsvorrichtung (10) derart am Gegenausleger (4) fixiert ist, dass die Versorgungsvorrichtung (10) mit dem Gegenausleger (4) transportiert werden kann, wenn die Hebeeinheit (1) in Transportkonfiguration ist.
  10. Hebeeinheit (1) nach dem vorstehenden Anspruch, wobei der Zylinder (8) ein linearer Hydraulikzylinder ist, und die Versorgungsvorrichtung (10) ein Hydraulikaggregat ist.
  11. Hebeeinheit (1) nach dem vorstehenden Anspruch, weiter Folgendes umfassend:
    - Leitungen (12) zum Leiten der Flüssigkeit zwischen der Versorgungsvorrichtung (10) und dem Zylinder (8), und
    - Schnellkupplungen (14), die zwischen dem Zylinder (8) und der Versorgungsvorrichtung (10) angeordnet sind, wobei sich die Schnellkupplungen (14) näher an der Versorgungsvorrichtung (10) als am Zylinder (8) befinden.
  12. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, die eine maximale Länge (L1) kleiner als 12 m, eine maximale Breite (W1) kleiner als 2,25 m und eine maximale Höhe (H1) kleiner als 2,5 m aufweist.
  13. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der Teil zur festen Verbindung (6) Rippen (6.0) umfasst, die derart zusammengesetzt sind, um eine nicht verformbare Baugruppe zu bilden.
  14. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei der Gegenausleger (4) und der Teil zur festen Verbindung (6) mechanisch durch Einrasten verbunden sind.
  15. Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei die Hebeeinheit (1) weiter eine Drehvorrichtung (16) umfasst, die konfiguriert ist, um die Hebeeinheit (1) um eine im Wesentlichen vertikale Achse drehen zu lassen, wenn die Hebeeinheit (1) in der Betriebskonfiguration ist.
  16. Kran mit anhebbarem Ausleger (100), Folgendes umfassend:
    - einen Ausleger (102), der konfiguriert ist, um eine hängende Last zu verteilen,
    - einen Mast (104), der konfiguriert ist, um den Ausleger und die hängende Last zu tragen, und
    - eine Hebeeinheit (1) nach einem der vorstehenden Ansprüche, wobei die Hebeeinheit (1) mechanisch an dem Mast (104) befestigt, und fest mit dem Ausleger (102) verbunden ist.
EP16812997.1A 2015-12-23 2016-11-17 Lifting unit, and crane with a lifting jib comprising such a lifting unit Active EP3393962B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1563218A FR3046152B1 (fr) 2015-12-23 2015-12-23 Unite de relevage, grue a fleche relevable comprenant une telle unite de relevage et procede d’assemblage d’une telle grue
PCT/FR2016/052994 WO2017109309A1 (fr) 2015-12-23 2016-11-17 Unité de relevage, grue à flèche relevable comprenant une telle unité de relevage et procédé d'assemblage d'une telle grue

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EP3393962A1 EP3393962A1 (de) 2018-10-31
EP3393962B1 true EP3393962B1 (de) 2020-04-15

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EP (1) EP3393962B1 (de)
JP (1) JP2018538218A (de)
KR (1) KR102641160B1 (de)
CN (1) CN108473289B (de)
AU (1) AU2016378835B2 (de)
ES (1) ES2805650T3 (de)
FR (1) FR3046152B1 (de)
IL (1) IL259963A (de)
WO (1) WO2017109309A1 (de)

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Publication number Priority date Publication date Assignee Title
FR3072084B1 (fr) 2017-10-09 2019-09-27 Manitowoc Crane Group France Grue a fleche relevable avec dispositif de verrouillage de la fleche en configuration relevee
FR3072085B1 (fr) 2017-10-09 2019-11-08 Manitowoc Crane Group France Grue a fleche relevable avec dispositif de verrouillage de la fleche en configuration relevee
JP2019156626A (ja) * 2018-03-16 2019-09-19 株式会社三井Ｅ＆Ｓマシナリー トロリ
JP6919858B2 (ja) * 2018-03-16 2021-08-18 株式会社三井Ｅ＆Ｓマシナリー トロリおよびトロリの運搬方法
FR3114581B1 (fr) * 2020-09-25 2022-12-09 Manitowoc Crane Group France Elément de grue formant pivot pour grue à montage par éléments

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KR102641160B1 (ko) 2024-02-26
KR20180097584A (ko) 2018-08-31
FR3046152A1 (fr) 2017-06-30
AU2016378835B2 (en) 2021-08-26
CN108473289A (zh) 2018-08-31
IL259963A (en) 2018-07-31
EP3393962A1 (de) 2018-10-31
ES2805650T3 (es) 2021-02-15
JP2018538218A (ja) 2018-12-27
WO2017109309A1 (fr) 2017-06-29
US10752474B2 (en) 2020-08-25
US20190010028A1 (en) 2019-01-10
FR3046152B1 (fr) 2017-12-29
CN108473289B (zh) 2020-03-03
AU2016378835A1 (en) 2018-07-12

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