EP1900675B1 - Fahrzeugkran - Google Patents

Fahrzeugkran Download PDF

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Publication number
EP1900675B1
EP1900675B1 EP07116453A EP07116453A EP1900675B1 EP 1900675 B1 EP1900675 B1 EP 1900675B1 EP 07116453 A EP07116453 A EP 07116453A EP 07116453 A EP07116453 A EP 07116453A EP 1900675 B1 EP1900675 B1 EP 1900675B1
Authority
EP
European Patent Office
Prior art keywords
tower
crane according
jib
vehicle crane
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.)
Expired - Fee Related
Application number
EP07116453A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1900675A2 (de
EP1900675A3 (de
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 DE502004011788T priority Critical patent/DE502004011788D1/de
Publication of EP1900675A2 publication Critical patent/EP1900675A2/de
Publication of EP1900675A3 publication Critical patent/EP1900675A3/de
Application granted granted Critical
Publication of EP1900675B1 publication Critical patent/EP1900675B1/de
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 turning troughs have a vertical tower standing on a substructure, which is usually designed as a C'xrtter framework, and although they are used, for example, on construction sites, e.g. can be moved by means of a railway delivery - not conceived as vehicles 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 JP 2004-224520A concerns a self-propelled tower crane or a self-propelled tower crane.
  • This self-propelled tower crane has a mast, the crane main body and a boom.
  • the crane main body has a rotating frame provided in the mast, a boom supporting frame rotatably mounted on the rotating frame, and an A-frame located in the upper surface of the boom supporting frame.
  • the A frame is formed of a press member and a tension member, and base ends of the press member and the tension member are rotatably mounted at a tip and a base end of the boom support frame, respectively.
  • the tension member is divided into an upper part and a lower part at its intermediate part, and rotatably mounted by a connecting bolt, in order to be folded freely.
  • Bolt holes are bored at one tip of one member of the tension members and at an intermediate portion of the other member, and the members are directly arranged or folded by inserting / removing a fastening bolt into / out of the bolt holes.
  • 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.
  • top-rotating structure with a vertical tower and an attached boom means a departure from that 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.
  • a compulsory discharge In the case of the vehicle crane, such a forced unloading so far typical for mobile cranes is not present due to the vertical tower.
  • designing the vehicle crane as a top turntable 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 optionally additionally secured vertical tower is sufficient, ie the stability of the vehicle crane 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 is used.
  • counterweights e.g. at least one already existing, coupled for this purpose to the chassis of the vehicle crane auxiliary vehicle or auxiliary crane can be used.
  • 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 bending stiffness of the tower can be increased, since a at a certain height on the tower attacking bracing reduces the incoming in the calculation of the critical bending load with 1 / L 2 effective length L of 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.
  • bracing is at least partially connected to a tower support. Additional ground anchors or other anchorages for the bracing can thereby be dispensed with, but it is also not ruled out that, as an alternative or in addition to anchoring to the tower support, other anchorages are used.
  • 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 particular pot or napfförznzge tower receptacle is provided 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 the tower and the tower can be transported with a tower on the chassis.
  • the tower receptacle is connected to a Schomabstützung.
  • the inclusion of the tower is used at the same time for its support.
  • the tower is self-righting. At least two variable-length adjusting devices are provided for erecting the tower, which engage at positions spaced along the tower.
  • 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 in which for erecting the tower this is not simply pivoted about a stationary relative to the chassis axis, but the pivotal movement of the tower, moreover, a preferably approximately horizontally extending translational motion is superimposed, it allows in an advantageous manner, the transport position of the tower with respect to tune the chassis optimally 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 attached trailer.
  • the tower can be erected with attached boom either alone under its own power or with the assistance of external auxiliary equipment.
  • It is designed as a rigid handlebar holding device provided which holds the angle adjustable on the tower mounted boom when erecting regardless of the tower inclination in an at least approximately horizontal position- This ensures the tower when erecting to some extent itself that the patch boom despite the at Erecting the tower increasingly increasing angle between the tower and boom at least within certain limits in a particular desired position with respect to the chassis remains.
  • This desired position of the cantilever can also deviate from a horizontal position, although a substantially horizontal orientation of the cantilever is preferred.
  • the vehicle crane can be moved on the road with only three individual transport units due to its low overall weight in relation 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 in Fig. 1 The part shown is part of a road transport approved first transport unit comprising a semitrailer, not shown, and a chassis with a coupled to the semitrailer front chassis part 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 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 in Fig. 1 In this transport position, the tower 11 extends across the tower receptacle 21 away and rests on the chassis 23a, 23b.
  • 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 31 lying at its free end a head 45, on which a in Fig. 1 not shown 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 in the region of the rear end of the tower receptacle 21.
  • the front end of the piston 61 is connected to the lower end of the tower, at the transport position shown in the chassis lower side facing.
  • Fig. 1 To erect the tower 11 is also an in Fig. 1 Not shown holding device provided in the form of a rigid arm, which is also 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 In addition, 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 21st At their remote from the '1 ⁇ urmability 21 end portions of the floor supports 17 are each provided on the one hand with a support leg 49 and the other with two overhead winches 47, which have, for example, based on a pawl or locking principle braking 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 which comprises a telescopic mast with four mast segments 65, 67, 69 in this embodiment , 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, soft with Wipptechnik 55 and slewing gear 15 is connected.
  • 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.
  • Fig. 4 To erect the tower 11 with attached superstructure 39 is first according to Fig. 4
  • the tower 11 By means of the first adjusting device 27, the tower 11 is transferred from its horizontal transport position into the illustrated inclined position, 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.
  • the second adjustment device 29 In the position according to Fig. 4 Thus, the second adjustment device 29 is still in the retracted state.
  • Fig. 4 is the already mentioned above, in the Fig. 1 to 3 at least largely hidden Switzerlandgestfite or yoke 81 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 according to Fig. 4 extended, 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 in Fig. 5 illustrated state, the tower 11 is in the fully erect condition in which it extends in the vertical direction.
  • a star-shaped bracing 19 installed
  • two guy ropes 19 which are wound on the fortified on the ground supports 17 winds 47, with their free ends at various 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 releasing the connection between the rigid arm 25 and upper carriage 39 to the respective desired working length, as in Fig. 7a
  • the guy cables 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 schematically shows 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 crane according to Fig. 9 is different from the one of Fig. 8 merely by the provision of an additional bracing 79 between the boom 13 and the counter-arm 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 existing by the vertical tower 17 itself stability requires - if any - only a comparatively low counterweight for the support 17 of the tower eleventh
  • 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 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, 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 is the variant with counter jib 37 according to Fig. 8 or 9 be used.
EP07116453A 2004-12-03 2004-12-03 Fahrzeugkran Expired - Fee Related EP1900675B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE502004011788T DE502004011788D1 (de) 2004-12-03 2004-12-03 Fahrzeugkran

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04028739A EP1666401B1 (de) 2004-12-03 2004-12-03 Fahrzeugkran

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP04028739.3 Division 2004-12-03
EP04028739A Division EP1666401B1 (de) 2004-12-03 2004-12-03 Fahrzeugkran

Publications (3)

Publication Number Publication Date
EP1900675A2 EP1900675A2 (de) 2008-03-19
EP1900675A3 EP1900675A3 (de) 2008-03-26
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CA2589048A1 (en) 2006-06-08
JP5572125B2 (ja) 2014-08-13
CN101068744B (zh) 2013-11-06
US20080169258A1 (en) 2008-07-17
CN101068744A (zh) 2007-11-07
KR20090108048A (ko) 2009-10-14
KR20090110317A (ko) 2009-10-21
US8308000B2 (en) 2012-11-13
EP1894883B1 (de) 2010-09-15
CA2589048C (en) 2010-08-03
US20100102018A1 (en) 2010-04-29
DE502004011788D1 (de) 2010-11-25
ES2352807T3 (es) 2011-02-23
EP1894883A2 (de) 2008-03-05
CN103482489A (zh) 2014-01-01
EP1900675A2 (de) 2008-03-19
JP2008532876A (ja) 2008-08-21
WO2006058751A3 (de) 2006-08-10
ES2354178T3 (es) 2011-03-10
DE502004011669D1 (de) 2010-10-28
KR101046488B1 (ko) 2011-07-04
KR20090110318A (ko) 2009-10-21
JP2011184204A (ja) 2011-09-22
JP2011190113A (ja) 2011-09-29
EP1666401A1 (de) 2006-06-07
WO2006058751A2 (de) 2006-06-08
KR101046490B1 (ko) 2011-07-04
EP1900675A3 (de) 2008-03-26
JP5572124B2 (ja) 2014-08-13
KR101046519B1 (ko) 2011-07-04
US7828162B2 (en) 2010-11-09
EP1666401B1 (de) 2011-06-22
ES2367908T3 (es) 2011-11-10
EP1894883A3 (de) 2008-05-28
CN103482489B (zh) 2016-06-29
KR20070086923A (ko) 2007-08-27

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