EP1894883A2 - Grue de véhicule - Google Patents

Grue de véhicule Download PDF

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Publication number
EP1894883A2
EP1894883A2 EP07116452A EP07116452A EP1894883A2 EP 1894883 A2 EP1894883 A2 EP 1894883A2 EP 07116452 A EP07116452 A EP 07116452A EP 07116452 A EP07116452 A EP 07116452A EP 1894883 A2 EP1894883 A2 EP 1894883A2
Authority
EP
European Patent Office
Prior art keywords
tower
crane according
vehicle crane
jib
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP07116452A
Other languages
German (de)
English (en)
Other versions
EP1894883B1 (fr
EP1894883A3 (fr
Inventor
Thomas Wiesbauer
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 Germany GmbH
Original Assignee
Manitowoc Crane Group Germany GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Manitowoc Crane Group Germany GmbH filed Critical Manitowoc Crane Group Germany GmbH
Priority to DE502004011669T priority Critical patent/DE502004011669D1/de
Publication of EP1894883A2 publication Critical patent/EP1894883A2/fr
Publication of EP1894883A3 publication Critical patent/EP1894883A3/fr
Application granted granted Critical
Publication of EP1894883B1 publication Critical patent/EP1894883B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • 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
    • 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
    • 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
    • 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 a vehicle movable 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.
  • 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 top-rotating structure with vertical tower and attached boom means a departure from the Previously 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 truss mast because of the necessary stability in each operating position inclined to the vertical and provided with a co-rotating counterweight.
  • the slewing is at the height of the chassis and the telescopic or trained as a lattice truss mast because of the necessary stability in each operating position inclined to the vertical and provided with a co-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 a component of a particular transportable as a whole assembly which in addition to the boom in particular a slewing, a luffing, a pulley with lower block and upper pulley and optionally a crane cab and all necessary for this drive means comprises.
  • This assembly comprising the boom can be referred to as a superstructure, although understood in conventional vehicle cranes under the term "superstructure" the entire structure directly on the chassis also referred to as the 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.
  • 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.
  • additional security or stabilization measures can be provided for the tower, which will be discussed in more detail below.
  • such measures then contribute, to a much lesser extent, to the overall crane weight than the counterweights of conventional mobile cranes.
  • one or more additional counterweights are used.
  • counterweights e.g. at least one already existing, coupled for this purpose to the chassis of the vehicle crane according to the invention auxiliary vehicle or auxiliary crane can be used.
  • 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.
  • the bracing is connected at least in part to a tower support. Additional ground anchors or other anchoring means for the bracing can be dispensed with, but according to the invention it is also not excluded that, alternatively or in addition to an anchoring to the tower support, other anchors are used.
  • the invention proposes that the boom is provided with a counter-jib.
  • the counter-jib is adjustable for varying 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-induced bending moments - that is to say over the jib carrying the load to be lifted - acting on the tower can be at least partially compensated.
  • 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 in dependence on the instantaneous load torque.
  • a pot-shaped 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 by means of a first adjusting device acting at a distance from the lower tower end from a substantially horizontal transport position in an inclined position and by means of a in the area 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 forcibly 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 stationary with respect to the chassis, but the pivoting movement of the tower is also superimposed on a preferably approximately horizontal translational movement, advantageously making it possible to adjust the transport position of the tower relative to the tower Chassis optimally tune to the transport needs, 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 device designed in particular as a rigid link which holds the arm mounted on the tower in an angle-adjustable manner during erection, regardless of the inclination of the tower 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 transport to the respective site and at the same time a minimum space required when erecting with a relatively low risk of land damage.
  • 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 road transport approved first transport unit, a semitrailer, not shown, and a chassis with a coupled to the semi-trailer front chassis portion 23 a and a rear chassis part 23b includes.
  • the chassis a the two chassis parts 23a, 23b interconnecting, cup-shaped tower mount 21 is firmly integrated.
  • the tower 11 is telescoping and comprises 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, the top or inner tower segment 31 comprises at its free end a head 45, on which a not shown in Fig. 1 assembly 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 one hand on the rear chassis part 23b and on the other at a location remote from the lower end of the tower at the lower tower segment 35 is, 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 whose cylinder is articulated with a front end to an attachment point 59 on the front chassis part 23a.
  • 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 will also be 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 the one hand, with a support foot 49 and, on the other hand, with two overhead winches 47, e.g. Having a pawl or locking principle based brake mechanism.
  • the winches 47 are part of a Turmabhard explained in more detail below.
  • Fig. 3 shows the vehicle crane according to the invention with attached superstructure 39.
  • the transported on a further truck, not shown, and thus a second approved for road transport unit uppercarriage 39 has a boom 13, a telescopic mast with four mast segments 65, 67 in this embodiment , 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 gear 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 For erecting the tower 11 with attached superstructure 39, the tower 11 is first transferred from its horizontal transport position in the illustrated inclined position shown in FIG. 4 by means of the first adjusting device 27, in which the tower 11 is inclined for example 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. In Fig. 4, the above-mentioned, in Figs. 1 to 3 at least largely hidden drawbar or yoke 81 is shown.
  • the rigid arm 25 always holds the boom 13 in an at least substantially horizontal position, despite the tower inclination that changes 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 uppercarriage 39 and tower 11 is shifted away 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 lower end of the rigid arm 25 also to the rear - relative to the direction of travel of the chassis - presses.
  • a star-shaped bracing 19 is installed as shown in FIG.
  • two guy ropes 19 which are wound on the fortified on the floor supports 17 winds 47, with their free ends at different Tower segments attached, respectively in the upper edge region of the segment.
  • Clamping devices for tensioning the cables 19 are integrated in the floor supports 17.
  • the transferred in the manner described above after placing the upper carriage 39 in the vertical working position, 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.
  • 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.
  • 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 angle-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 of the counter-arm 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 by means of a suitable sensor the instantaneous load or the instantaneous torque on the boom 13 and based on the counter-jib 37 sets such that the tower 11 at least largely held without bending moment, ie. essentially only in the vertical direction is subjected to pressure.
  • a suitable sensor determines by means of a suitable sensor the instantaneous load or the instantaneous torque on the boom 13 and based on the counter-jib 37 sets such that the tower 11 at least largely held without bending moment, ie. essentially only in the vertical direction is subjected to 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 counterjib 37.
  • the bracing 79 is variable in length depending on the angle between boom 17 and counter-jib 37, by means of a separate pulley on the counter-jib 37.
  • rockers 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 with respect to the tolerable bending moments is increased, which in turn makes additional weights superfluous.
  • 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.
  • the invention thus provides a vehicle crane, which in terms of its capacity or lifting capacity has a low overall weight and a small footprint and thus relatively quickly and easily moved in the street and can be made operational on site. This results in a huge reduction in Krusutzungs vom.
  • the fiction, contemporary vehicle crane is in principle arbitrarily scalable in terms of its interpretation, in particular with respect to the dimensions and 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 extended state of about 70m, wherein the uppercarriage 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, i. 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. Also, such wind turbines can be easily installed with a relation to the above-mentioned interpretation according to the invention enlarged vehicle crane. If necessary, this variant with counterjib 37 as shown in FIG. 8 or 9 are used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
EP07116452A 2004-12-03 2004-12-03 Grue de véhicule Expired - Fee Related EP1894883B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE502004011669T DE502004011669D1 (de) 2004-12-03 2004-12-03 Fahrzeugkran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04028739A EP1666401B1 (fr) 2004-12-03 2004-12-03 Grue mobile

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP04028739.3 Division 2004-12-03
EP04028739A Division EP1666401B1 (fr) 2004-12-03 2004-12-03 Grue mobile

Publications (3)

Publication Number Publication Date
EP1894883A2 true EP1894883A2 (fr) 2008-03-05
EP1894883A3 EP1894883A3 (fr) 2008-05-28
EP1894883B1 EP1894883B1 (fr) 2010-09-15

Family

ID=34927650

Family Applications (3)

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EP04028739A Expired - Fee Related EP1666401B1 (fr) 2004-12-03 2004-12-03 Grue mobile
EP07116453A Expired - Fee Related EP1900675B1 (fr) 2004-12-03 2004-12-03 Grue automotrice
EP07116452A Expired - Fee Related EP1894883B1 (fr) 2004-12-03 2004-12-03 Grue de véhicule

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EP07116453A Expired - Fee Related EP1900675B1 (fr) 2004-12-03 2004-12-03 Grue automotrice

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US (2) US7828162B2 (fr)
EP (3) EP1666401B1 (fr)
JP (3) JP2008532876A (fr)
KR (4) KR101046519B1 (fr)
CN (2) CN101068744B (fr)
CA (1) CA2589048C (fr)
DE (2) DE502004011669D1 (fr)
ES (3) ES2352807T3 (fr)
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EP1900675A2 (fr) 2008-03-19
JP2008532876A (ja) 2008-08-21
US8308000B2 (en) 2012-11-13
KR101046519B1 (ko) 2011-07-04
US20080169258A1 (en) 2008-07-17
JP5572124B2 (ja) 2014-08-13
EP1894883B1 (fr) 2010-09-15
DE502004011788D1 (de) 2010-11-25
CN101068744B (zh) 2013-11-06
KR20090110317A (ko) 2009-10-21
KR101046488B1 (ko) 2011-07-04
EP1666401B1 (fr) 2011-06-22
DE502004011669D1 (de) 2010-10-28
CN103482489A (zh) 2014-01-01
JP2011184204A (ja) 2011-09-22
KR101046490B1 (ko) 2011-07-04
EP1900675B1 (fr) 2010-10-13
KR20090110318A (ko) 2009-10-21
CA2589048C (fr) 2010-08-03
CN101068744A (zh) 2007-11-07
JP2011190113A (ja) 2011-09-29
US20100102018A1 (en) 2010-04-29
KR20090108048A (ko) 2009-10-14
JP5572125B2 (ja) 2014-08-13
ES2354178T3 (es) 2011-03-10
ES2367908T3 (es) 2011-11-10
ES2352807T3 (es) 2011-02-23
EP1894883A3 (fr) 2008-05-28
WO2006058751A2 (fr) 2006-06-08
KR20070086923A (ko) 2007-08-27
EP1900675A3 (fr) 2008-03-26
CA2589048A1 (fr) 2006-06-08
WO2006058751A3 (fr) 2006-08-10
CN103482489B (zh) 2016-06-29
US7828162B2 (en) 2010-11-09
EP1666401A1 (fr) 2006-06-07

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