WO2006058751A2 - Fahrzeugkran - Google Patents
Fahrzeugkran Download PDFInfo
- Publication number
- WO2006058751A2 WO2006058751A2 PCT/EP2005/012852 EP2005012852W WO2006058751A2 WO 2006058751 A2 WO2006058751 A2 WO 2006058751A2 EP 2005012852 W EP2005012852 W EP 2005012852W WO 2006058751 A2 WO2006058751 A2 WO 2006058751A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tower
- crane according
- vehicle crane
- bracing
- boom
- Prior art date
Links
Classifications
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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
-
- 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
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
-
- 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
- B66C23/185—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 erecting wind turbines
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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
- B66C23/342—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with telescopic elements
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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
- B66C23/26—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
- B66C23/348—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes the erection being operated by jacks
-
- 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
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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
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- 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
Definitions
- the invention relates to a vehicle crane, in particular a mobile, car or crawler crane.
- Tower cranes have a vertical tower standing on a substructure, which is usually designed as a lattice framework, and although they are used, for example, on construction sites, e.g. be movable by means of a track undercarriage - not designed as vehicles that can be moved in normal traffic.
- mobile cranes are self-propelled road vehicles that are currently being designed for mobile use.
- Mobile cranes consist of a chassis comprising the chassis and a superstructure rotatable on the undercarriage, comprising a slewing gear and a jib.
- the boom can be designed as a telescopic boom in box construction or as a lattice boom.
- Wind turbines As a field of application for cranes, the construction of wind turbines is becoming increasingly important as there is a trend towards ever more powerful ones Wind turbines, which thus not only have higher, but also heavier components.
- the object of the invention is to provide a particular suitable for the installation of wind turbines vehicle crane, which has the lowest possible total weight and can be made ready for use as quickly as possible to keep in this way the Kruutzungs surge as low as possible, but at the carrying capacity or lifting capacity no cuts should be made.
- the inventive concept of a rotating top construction with a vertical tower and attached boom means a departure from the hitherto pursued in mobile cranes design principle, according to which the slewing is at the height of the chassis and the telescopic or trained as a lattice framework mast because of the necessary stability in each operating position tilted to the vertical and with a provided with counter rotating counterweight.
- the slewing is at the height of the chassis and the telescopic or trained as a lattice framework mast because of the necessary stability in each operating position tilted to the vertical and with a provided with counter rotating counterweight.
- a compulsory discharge In the vehicle crane according to the invention is such, for mobile cranes typical forced discharge due to the vertical tower does not exist.
- the inventive concept of a non-rotating vertical tower offers a variety of advantages.
- designing the vehicle crane according to the invention as a head turner opens up advantageous possibilities for an optionally required additional securing or stabilization of the tower and also makes it possible to realize a particularly simple concept for erecting the tower. This will be discussed in more detail below.
- the boom is inclined relative to the tower. Among them is also a horizontal course, i. to understand a perpendicular to the tower extending boom.
- the boom is preferably variable in length and / or angle-adjustable relative to the tower.
- To change the length of the boom is preferably formed telescopic.
- the boom is part of a particularly transportable as a whole assembly which in addition to the boom in particular a slewing, a luffing, pulley with lower block and upper pulley and optionally a crane operator cab and all necessary for this drive means comprises.
- This subassembly comprising the cantilever can be referred to as a superstructure, although in conventional mobile cranes the term "superstructure" is understood to mean the entire superstructure installed directly on the chassis, which is also referred to as an undercarriage.
- the tower is variable in length.
- the tower is designed as a telescope tower.
- the weight of the tower is provided as a counterweight.
- a counterweight Unlike conventional vehicle cranes, whose always because of the forced discharge mast associated with the crane gross weight considerably increasing counterweight, can be dispensed in the vehicle crane according to the invention even with high load capacity or lifting capacity on such an additional counterweight. It has been found that the stability of the possibly additionally secured vertical tower is sufficient, ie the stability of the vehicle crane according to the invention is at least substantially already given due to the weight of the tower; The vertical tower acts as the central ballast of the mobile crane. Depending on the specific dimensioning of the vehicle crane according to the invention additional security or stabilization measures can be provided for the tower, which will be discussed in more detail below.
- the invention proposes that a support is provided for the tower.
- the support comprises a plurality of floor supports distributed around the tower.
- the weight of the tower and the support can be coordinated so that no additional counterweight is required.
- a bracing is provided for the tower.
- the bracing preferably comprises a plurality of bracing elements distributed around the tower, which in particular are each provided in the form of a guy rope.
- the bracing acts on one or more tower segments, also referred to as boxes or shots.
- tower segments also referred to as boxes or shots.
- Particularly advantageous is a at several tower segments and thus at along the tower spaced locations attacking bracing, as a result, a particularly strong reduction of the effective length of the tower and thus increasing the maximum bending stress of the tower can be achieved.
- this can attack the bracing in the region of the upper ends of the respective tower segments which are accessible even when the tower is pushed together.
- a bracing acting on a plurality of positions spaced along the tower can also be provided in connection with a tower which can not be telescoped.
- the bracing is at least partially connected to a tower support. Additional ground anchors or other anchorages for the bracing can be dispensed with, but according to the invention it is also not excluded that alternative tively or in addition to an anchorage to the Turmab support other anchorages are used.
- an active bracing is provided for the tower, which can be controlled in response to load-induced bending moments acting on the tower to compensate for these bending moments.
- bracing is cross-shaped or star-shaped with respect to the tower axis, wherein in principle also other bracing geometries or configurations are possible.
- a control and / or regulating device is provided which permanently determines the size and direction of a required compensation during crane operation and controls the bracing accordingly.
- the control and / or regulating device may include a tilt sensor for determining the tower inclination.
- a tilt sensor for determining the tower inclination.
- the inclination of the tower axis relative to the vertical or a tower platform or a tower head or a reference plane of a superstructure with respect to the Ho be recorded in a horizontal format.
- the reference orientations vertical or horizontal
- the bracing can then be controlled so that it strives to always maintain a given tower inclination, which is particularly characterized in that a platform of a superstructure of the crane is in a horizontal orientation.
- the bracing acts to compensate for the load-related bending moments with tensile forces on the tower.
- the bracing can attack on the one hand on the tower and on the other hand on a tower support.
- the bracing comprises a plurality of around the tower around distributed guy organs, which are independently controllable. Regardless of the rotational position of the crane, this can be reacted to an acting in any direction bending moment by appropriate control of the bracing.
- the Abspannorgane are preferably arranged in a cross or star shape, in principle, any arrangement is possible, which is chosen in particular according to the geometry of a tower support on which attacks the bracing and the z. B. "H" -shaped.
- the guying members do not act directly on the tower or in the case of a telescoping tower on a tower segment, but that for each guying member a projecting from the tower boom is provided, via which the guying member on the tower attacks.
- These cantilevers can each be designed as a grid part.
- the tower is telescopic
- the tower support comprises a plurality of particular cross or star-shaped bottom supports and engage a plurality of guying members of the bracing on the one hand on a tower segment and on the other hand on a floor support.
- each tensioning device is provided with a pulling device, in particular a pull cylinder, which is arranged between the tensioning element and the tower or between the tensioning element and a tower support.
- Each traction device can be provided with a displacement measuring system with which the position of the traction device can be determined based on a predetermined basic position.
- the invention proposes that the boom is provided with a counter-jib.
- the counterjib can preferably be adjusted to change the bending moment acting on it by the tower.
- the counter-jib in particular variable in length, for example, telescopic, and / or be designed to be angularly adjustable relative to the tower.
- load-related bending moments-that is to say over the boom carrying the load to be lifted- can be at least partially compensated for.
- the tower is at least largely free of bending moment.
- a control and / or regulating device is provided, by means of which the counter-jib is adjustable depending on the instantaneous load torque.
- a particular cup or cup-shaped tower receptacle is provided for the lower end of the tower, which connects two spaced chassis parts together.
- the tower mount forms a part of the chassis.
- its lower end is preferably separated from the tower receptacle. This separation of tower and tower mount allows transport with lying on the chassis tower.
- the tower receptacle is connected to a tower support.
- the inclusion of the tower is used at the same time for its support.
- the invention proposes that the tower is self-righting.
- at least two variable-length adjustment devices are provided which engage at spaced apart along the tower positions.
- the tower is moved by means of a first adjusting device engaging with a distance from the lower tower end from a substantially horizontal transport position into an inclined position and by means of a first rich of the lower tower end attacking second adjustment from the inclined position in the vertical working position can be transferred. It is preferably provided that the tower is positively guided in the region of its lower end, in particular in an at least approximately horizontal direction.
- the erecting principle according to the invention in which the tower is not simply pivoted about an axis fixed relative to the chassis, but the pivoting movement of the tower is superimposed on a preferably approximately horizontal translatory movement, advantageously making it possible to move the tower with respect to the chassis optimally tune to the transport concerns, without being set to the required or required for the vertical working position of the lower tower end.
- the tower can be erected with an attached trailer.
- the tower can be erected with attached boom either alone under its own power or with the assistance of external auxiliary equipment.
- a retaining element designed in particular as a rigid link direction which holds the angle-adjustable mounted on the tower boom when erecting regardless of the tower inclination in an at least approximately horizontal position.
- the tower when erecting to a certain extent even ensures that the patch boom remains despite the erecting of the tower increasingly magnifying angle between the tower and boom at least within certain limits in a respective desired position with respect to the chassis.
- This desired position of the cantilever can also deviate from a horizontal position, although a substantially horizontal orientation of the cantilever is preferred.
- the arranged on a particular trained as a low loader chassis tower on the one hand and the boom, in particular a boom comprising the boom superstructure, on the other hand are assigned to separate transport units, which are particularly approved in each case for road transport.
- the vehicle crane according to the invention can consequently be moved with only three individual transport units in road traffic due to its low total weight relative to the carrying capacity or lifting capacity. This means only a minimum of logistical effort for the trans- port to the respective place of use and at the same time on site a minimum space requirement when erecting with a relatively low risk of damage to the ground.
- FIGS. 1 to 7 show an exemplary embodiment of a vehicle crane according to the invention in various construction phases
- FIG. 8 shows a vehicle crane according to a further exemplary embodiment of the invention
- FIG. 1 shows in three different views a part of a vehicle crane according to the invention.
- the part shown in FIG. 1 is part of a first transport unit approved for road traffic, comprising a semitrailer, not shown, as well as a chassis with a front chassis part 23a which can be coupled to the semitrailer and a rear chassis part 23b.
- a chassis with a front chassis part 23a which can be coupled to the semitrailer and a rear chassis part 23b.
- the two chassis parts 23a, 23b interconnecting, cup-shaped tower mount 21 is firmly integrated.
- the tower receptacle 21, which is provided with a plurality of connection points 41 for attachment of a tower support explained in more detail below, serves to receive the lower end of a tower 11 shown in FIG. 1 in its transport position. In this transport position, the tower 11 extends across the tower receptacle 21 and rests on the chassis 23a, 23b.
- the tower 11 is telescopic and includes in the embodiment shown here five also referred to as boxes or shots
- Tower segments 31, 33, 35 namely a lower tower segment or outer box 35 and four inner tower segments or inner boxes 31, 33, wherein the top or inner tower segment 31 comprises at its free end a head 45, on which a in Fig. 1 assembly, not shown, can be placed, which comprises a boom and is also referred to below as the superstructure.
- a first adjusting device 27 comprises a piston / cylinder pair, which is articulated on the rear chassis part 23b on the one hand and on the lower tower segment 35 on the other at the lower turret end, in the lying transport position on its side facing away from the chassis upper side.
- a second adjusting device 29 comprises a substantially parallel to the horizontal tower 11 extending piston / cylinder arrangement, the cylinder with a front end to an attachment point 59 on the front chassis part 23 a is articulated.
- the front end 61 of the piston of the piston / cylinder assembly 29 is located in the region of the rear end of the tower receptacle 21.
- the front piston end 61 is connected to the lower tower end , on the lower side facing the chassis in the illustrated transport position.
- holding means is provided in the form of a rigid arm, which e- b which explained in more detail below.
- the handlebar is attached with one end to the front end of the piston 61 and supports with its other end from the set up of the tower 11 on the head 45 superstructure from.
- a substantially horizontally extending positive guide 43 is provided for the lower turret end, which comprises two parallel spaced slots or elongated holes into which the lower turret end engages with corresponding guide projections from the inside.
- Fig. 2 shows the aforementioned handlebar 25 connected to the front piston end 61 state.
- the handlebar 25 extends parallel to the tower 11 and is angled upwards in its pushed together at the tower 11 over the head 45 end portion.
- Fig. 2 also four star support for the vehicle crane or its tower 11 forming extendable floor supports 17 are shown.
- the floor supports 17 are connected to the above-mentioned connection points 41 with the tower receptacle 21.
- the floor supports 17 are each provided on one side with a support foot 49 and on the other with two overhead winches 47, which have a braking mechanism based, for example, on a pawl or latching principle.
- the winches 47 are part of a Turmabhard explained in more detail below.
- FIG. 3 shows the vehicle crane according to the invention with the upper carriage 39 mounted thereon.
- the upper carriage 39 which is transported to a second transport unit not shown, has a boom 13 which has a telescopic mast with four mast segments 65 in this embodiment , 67, 69, namely an upper pole segment 65 with a lower bottle, not shown, two further inner segments or inner boxes 67 and a lower mast segment 69, which is connected to Wipptechnik 55 and slewing 15.
- the uppercarriage 39 in this embodiment comprises a crane cab 53, the drive means for the slewing gear 15 and the luffing gear 55 and hoisting winches.
- the rigid arm 25 is hinged to the free end of its angled end portion to the rear end portion of the upper carriage 39.
- the tower 11 is first transferred from its horizontal transport position into the illustrated inclined position, as shown in FIG. 4, by means of the first adjusting device 27, in which the tower 11 is inclined for example at about 45 ° relative to the vertical. Up to this point, the erection movement of the tower 11 is a pure pivotal movement about an axis 71 at the one end of the positive guide 43 for the lower tower end. In the position shown in FIG. 4, the second adjusting device 29 is thus still in the retracted state.
- the above-mentioned, in Figs. 1 to 3 at least largely hidden drawbar or yoke 81 is shown.
- the rigid link 25 always holds the boom 13 in an at least substantially horizontal position, despite the inclination of the tower changing during erection.
- the inner segment package of the telescopic mast of the boom 13 is extended as shown in FIG. 4, whereby the center of gravity of the boom 13 and upper carriage 39 of the pivot axis 73 between the uppercarriage 39 and 11 tower away is shifted to the front.
- the tower 11 In the state shown in Fig. 5, the tower 11 is in the fully erect condition in which it extends in the vertical direction.
- the tower end is then fastened, for example by bolting, and on the other hand, the lower end of the rigid arm 25th also to the rear - based on the direction of travel of the chassis - presses.
- a star-shaped bracing 19 is installed as shown in FIG.
- telescope tower 11 which continues to be pushed together, for each of the four floor supports 17, two stay cables 19, which are wound on the winches 47 fastened to the floor supports 17, are fastened with their free ends to different tower segments, in each case in the upper edge area of the segment.
- Clamping devices for tensioning the cables 19 are integrated in the floor supports 17.
- supported and guyed tower 11 can now be telescoped after loosening the connection between the rigid arm 25 and upper carriage 39 to the respective desired working length, as shown in FIG. 7a is shown.
- the guy ropes 19 are unwound from the winches 47 in accordance with the increasing tower height and can be kept under tension at all times.
- Simultaneously with the extension of the tower 11 or after reaching the respective working length of the tower 11 of the telescopic mast of the boom 13 can be extended and brought by the luffing 55 in the desired angular position relative to the tower 11 to the mast top in the desired working position with respect to height and reach bring to.
- the vehicle crane according to the invention is thus ready for use.
- Fig. 7b shows schematically the vehicle crane according to the invention in the immediate vicinity of a tower 57 of a wind turbine to be built.
- a significant advantage of the vehicle crane according to the invention is that the crane can be positioned relatively close to the tower 57 of the wind turbine due to its vertical tower 11.
- FIG. 8 shows a vehicle crane modified with respect to the embodiment described above.
- the modification consists in the provision of an additional counter-jib 37.
- the counter-jib 37 is like the boom 13 provided with a telescopic mast and by means of a luffing gear 75 relative to the tower 11 angularly adjustable. Furthermore, the counter-jib 37 is provided with a hanging from his mast top over a pulley ballast 77.
- the counter-jib 37 including the ballast 77, is dimensioned such that it can compensate load-related bending moments, which act on the tower 11 via the jib 13 carrying the load to be lifted, by means of a corresponding counter-torque. Due to its adjustability in terms of length and angle, the counter-jib 37 can be adapted to varying load or torque situations on the boom side.
- the vehicle crane according to the invention is provided with a device which determines the instantaneous load or instantaneous torque on the arm 13 by means of a suitable sensor and adjusts the counterjib 37 based on this so that the tower 11 is held at least largely free of bending moment, ie essentially only in vertical direction is loaded on pressure. On cantilever side changes can be responded practically delay without delay by appropriate adjustment changes on the counter-jib 37.
- the vehicle crane according to FIG. 9 differs from that of FIG. 8 only by the provision of an additional bracing 79 between the boom 13 and the counterbalance 37.
- the bracing 79 is variable in length as a function of the angle between boom 17 and counterjib 37, by means of a separate pulley on the counter-jib 37.
- the bracing 79, the luffing 55, 75 are relieved.
- the projection of the vehicle crane according to the invention can be limited to the required level for the respective lifting job and thus to the necessary minimum because of the vertical tower 11.
- the vehicle crane according to the invention is free of a required in conventional vehicle cranes forced unloading.
- This makes it possible to use the weight of the tower 11 as a central ballast, at least partially to dispense with the conventional vehicle cranes counterweight and optionally provide for the support 17 of the tower 11 only a comparatively low counterweight.
- the top-sleeving concept according to the invention makes it possible to provide the bracing 19, by means of which the loading capacity of the tower 11 is increased with regard to the tolerable bending moments, which in turn increases additional strength. makes weights unnecessary.
- the stability already existing by the vertical tower 17 itself requires - if any - only a comparatively small counterweight for the support 17 of the tower 11.
- FIGS. 10 to 13 relate to the exemplary embodiments explained above. Corresponding components are therefore provided with the same reference numerals.
- rigid arm 25 is replaced in the other embodiment by another holding device, namely by two parallel tethers 87.
- the tethers 87 extend between see the rear end portion of the upper carriage 39 and the lower end of the Due to the tethers 87 of the superstructure 39 is always held during the entire Aufrichtvorgangs and thus regardless of the tower inclination in an at least substantially horizontal desired position.
- the further embodiment is provided with an active cross brace 19.
- This comprises four separate tensioning members 19, which in this example are provided in the form of foldable tension rods.
- each guy rod 19 rests on a floor support 17.
- the one end of the guy rod 19 is coupled to a provided at the free end of the floor support 17 pull cylinder 85.
- the other end of each tie-rod 19 is free and is attached to the upper tower segment 31 via a boom 83 in the form of a mesh part (FIG. 11) in the further course of the erection of the crane.
- the now completely unfolded, elongated guy rods 19 each extend between a lattice boom 83 attached to the upper tower segment 31 and the draw cylinder 85 attached to the corresponding floor support 17.
- the pull cylinders 85 By operating the pull cylinders 85, tensile forces can be applied to the upper end of the tower 11 via the tie rods 19 and the lattice beams 83, which consequently seek to "pull" the tower 11 in the direction indicated by the coincident direction of the respective lattice boom.
- Floor support pair 83, 17 is specified.
- the pull cylinders 85 can be controlled independently of one another so that the tower 11 can be acted upon by a superimposition of all tensile forces acting on the tower 11 by means of the pull cylinders 85 with a resulting tensile force which can be predetermined in terms of magnitude and direction.
- the possibility of loading the tower 11 with tensile forces to compensate for acting on the tower 11 during crane operation load-related Beigemomenten be used.
- a control and / or regulating device is provided, with which the pulling cylinder 85 can be controlled independently of each other.
- the pull cylinder 85 to the central Hydraulic system of the superstructure 39 connected.
- the draw cylinders 85 can also be arranged at the upper end of the guy rods 19, in each case between tie rod 19 and free end of the relevant lattice boom 83. The connection of the pull cylinders 85 to the hydraulic system of the upper carriage 39 is thereby simplified.
- control and / or regulating device for the pull cylinder 85 comprises a tilt transmitter, with which the actual state of the turret inclination during crane operation can be determined.
- the tilt sensor is preferably mounted on the uppercarriage 39, the control and / or regulating device being designed such that it tends to set a horizontal orientation of an uppercarriage platform.
- Each pull cylinder 85 is provided with a displacement measuring system. A "zero position" serving as a reference point for positioning movements can be found automatically by the system by means of the inclination sensor, by requiring that the zero position of the traction cylinders 85 corresponds to the aforementioned horizontal alignment of the superstructure 39.
- the active guy according to the present invention is capable of promptly responding to changes in tower pitch caused by changes in the load-induced bending moments acting on the tower 11 by signaling an associated change in inclination of the central control and / or regulating device by the tilt transmitter and From the amount and direction of the change in slope corresponding control signals for the pull cylinder 85 are calculated and transmitted, on the basis of which the pull cylinder 85 are driven so that the tower 11 is "pulled” in the corresponding opposite direction.
- Changes in the pitch of the tower are caused by changes in the size of the load, changes in the inclination of the boom 13 of the superstructure 39 and / or changes in the rotational position of the upper carriage 39.
- the compensation control according to the invention is sufficiently fast in order to accomplish the required change in the compensation direction, even when the uppercarriage 39 rotates, by controlling the tensioning cylinders 85 to a certain extent "in real time” to correspondingly fast adjusting movements.
- a plurality of active guying 17, 19, 83, 85 distributed around the tower 11 are consequently worked, which can be controlled independently of one another.
- the folding of the bracing rod 19 in the manner of scissor joints takes place.
- the configuration of the bracing in the transport state is arbitrary.
- guy cables may be provided instead of guy rods or rods.
- the attachment of the lattice boom 83 on the upper tower segment 31 can be done for example by means of an auxiliary crane, not shown.
- FIG. 13 shows a possible transport configuration for the vehicle crane according to the invention according to the exemplary embodiment described above. Only four transport units are required, one of which transport the uppercarriage 39, one the tower 11 and two further two floor supports 17 including associated guy rods 19 and lattice boom 83.
- the invention thus provides a vehicle crane which, in terms of its carrying capacity or lifting capacity, has a low overall weight and low space requirement and can therefore be moved comparatively quickly and easily on the road and made operational on site. This results in a huge reduction in Krusutzungslitis.
- the vehicle crane according to the invention can be scaled arbitrarily with regard to its design, in particular with regard to the dimensions and the weight of its components.
- the vehicle crane according to the invention is designed so that it is suitable for the construction of wind turbines.
- the tower 11 has a weight of about 60t and a length in the extended state of about 70m, wherein the upper carriage 39 has a weight of about 60t and the boom 13 in the extended state has a length of about 60m.
- the span of the star-shaped support 17, ie the length of the floor supports in the extended state, is in each case about 18m.
- Future wind turbines will have a hub height of about 145m and lifting loads on the order of 240t, according to existing plans.
- Such wind turbines can also be set up without problem with a vehicle crane according to the invention which is correspondingly larger than the above-mentioned design. If necessary, this variant with counterjib 37 as shown in FIG. 8 or 9 are used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020097015616A KR101046488B1 (ko) | 2004-12-03 | 2005-12-01 | 차량탑재용 크레인 |
CN2005800414114A CN101068744B (zh) | 2004-12-03 | 2005-12-01 | 汽车吊 |
KR1020097015618A KR101046490B1 (ko) | 2004-12-03 | 2005-12-01 | 차량탑재용 크레인 |
CA2589048A CA2589048C (en) | 2004-12-03 | 2005-12-01 | Vehicle mounted crane with a super-structure provided in the form of a top-slewing system |
KR1020097015617A KR101046519B1 (ko) | 2004-12-03 | 2005-12-01 | 차량탑재용 크레인 |
US11/792,062 US7828162B2 (en) | 2004-12-03 | 2005-12-01 | Vehicle mounted crane |
JP2007543778A JP2008532876A (ja) | 2004-12-03 | 2005-12-01 | 車載式クレーン |
US12/651,015 US8308000B2 (en) | 2004-12-03 | 2009-12-31 | Vehicle mounted crane |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04028739A EP1666401B1 (de) | 2004-12-03 | 2004-12-03 | Fahrzeugkran |
EP04028739.3 | 2004-12-03 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/651,015 Continuation US8308000B2 (en) | 2004-12-03 | 2009-12-31 | Vehicle mounted crane |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006058751A2 true WO2006058751A2 (de) | 2006-06-08 |
WO2006058751A3 WO2006058751A3 (de) | 2006-08-10 |
Family
ID=34927650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/012852 WO2006058751A2 (de) | 2004-12-03 | 2005-12-01 | Fahrzeugkran |
Country Status (9)
Country | Link |
---|---|
US (2) | US7828162B2 (de) |
EP (3) | EP1666401B1 (de) |
JP (3) | JP2008532876A (de) |
KR (4) | KR20070086923A (de) |
CN (2) | CN103482489B (de) |
CA (1) | CA2589048C (de) |
DE (2) | DE502004011669D1 (de) |
ES (3) | ES2354178T3 (de) |
WO (1) | WO2006058751A2 (de) |
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2004
- 2004-12-03 DE DE502004011669T patent/DE502004011669D1/de active Active
- 2004-12-03 DE DE502004011788T patent/DE502004011788D1/de active Active
- 2004-12-03 ES ES07116453T patent/ES2354178T3/es active Active
- 2004-12-03 EP EP04028739A patent/EP1666401B1/de not_active Not-in-force
- 2004-12-03 ES ES07116452T patent/ES2352807T3/es active Active
- 2004-12-03 EP EP07116453A patent/EP1900675B1/de not_active Not-in-force
- 2004-12-03 ES ES04028739T patent/ES2367908T3/es active Active
- 2004-12-03 EP EP07116452A patent/EP1894883B1/de not_active Not-in-force
-
2005
- 2005-12-01 KR KR1020077015310A patent/KR20070086923A/ko not_active Application Discontinuation
- 2005-12-01 JP JP2007543778A patent/JP2008532876A/ja active Pending
- 2005-12-01 KR KR1020097015616A patent/KR101046488B1/ko not_active IP Right Cessation
- 2005-12-01 CN CN201310447271.7A patent/CN103482489B/zh not_active Expired - Fee Related
- 2005-12-01 CA CA2589048A patent/CA2589048C/en not_active Expired - Fee Related
- 2005-12-01 CN CN2005800414114A patent/CN101068744B/zh not_active Expired - Fee Related
- 2005-12-01 WO PCT/EP2005/012852 patent/WO2006058751A2/de active Application Filing
- 2005-12-01 US US11/792,062 patent/US7828162B2/en not_active Expired - Fee Related
- 2005-12-01 KR KR1020097015618A patent/KR101046490B1/ko not_active IP Right Cessation
- 2005-12-01 KR KR1020097015617A patent/KR101046519B1/ko not_active IP Right Cessation
-
2009
- 2009-12-31 US US12/651,015 patent/US8308000B2/en active Active
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2011
- 2011-05-30 JP JP2011119956A patent/JP5572124B2/ja not_active Expired - Fee Related
- 2011-05-30 JP JP2011119957A patent/JP5572125B2/ja not_active Expired - Fee Related
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NL2030208B1 (en) * | 2021-12-21 | 2023-06-29 | Itrec Bv | Erecting a self-climbing tower crane |
WO2023118352A1 (en) * | 2021-12-21 | 2023-06-29 | Itrec B.V. | A self-climbing tower crane |
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