EP3833627B1 - Fahrzeugkransystem mit einer anbauteil-transporteinheit für eine abspanneinrichtung, insbesondere einen seitlichen superlift, eines fahrzeugkrans - Google Patents

Fahrzeugkransystem mit einer anbauteil-transporteinheit für eine abspanneinrichtung, insbesondere einen seitlichen superlift, eines fahrzeugkrans Download PDF

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Publication number
EP3833627B1
EP3833627B1 EP19750104.2A EP19750104A EP3833627B1 EP 3833627 B1 EP3833627 B1 EP 3833627B1 EP 19750104 A EP19750104 A EP 19750104A EP 3833627 B1 EP3833627 B1 EP 3833627B1
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EP
European Patent Office
Prior art keywords
guying device
guying
telescopic jib
attachment
transport apparatus
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.)
Active
Application number
EP19750104.2A
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German (de)
English (en)
French (fr)
Other versions
EP3833627A1 (de
Inventor
Klaus Meissner
Matthias Roth
Klaus KÖNIGSTEIN
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.)
Tadano Demag GmbH
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Tadano Demag GmbH
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Publication date
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Publication of EP3833627A1 publication Critical patent/EP3833627A1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/365—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes dismantable into smaller units for transport purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
    • B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
    • 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
    • B66C23/821—Bracing equipment for booms
    • B66C23/826—Bracing equipment acting at an inclined angle to vertical and horizontal directions

Definitions

  • the invention relates to a vehicle crane system, comprising a vehicle crane with an attachment that can be mounted on or removed from its telescopic boom, in particular a guying device, and an attachment transport unit designed to transport the attachment. Furthermore, the invention relates to a method for transferring an attachment in the form of a guying device from a transport device of an attachment transport unit to a telescopic boom of a mobile crane and a method for transferring an attachment in the form of a guying device from a telescopic boom, in particular from its base box, of a mobile crane to a Transport device of an attachment transport unit.
  • the usability of mobile cranes is usually determined by their structural design.
  • Technical characteristics such as load capacity, working radius and lifting height result primarily from the structure of the respective telescopic boom.
  • the parameters of a mobile crane can sometimes be changed, for example to increase its load-bearing capacity and reduce the elastic deflection of its telescopic boom.
  • additional add-on parts are known in the form of at least one guying device, the arrangement of which, for example, can achieve a reduction in the lever arm of the telescopic boom.
  • the increase in load capacity that is possible as a result is usually the result of a combination with an additional counterweight and corresponding deflections via the guying device.
  • German Offenlegungsschrift DE 198 23 380 A1 discloses in this context a crane boom transport unit with a mobile transport device in the form of a semi-trailer for transporting a main boom separate from a mobile crane.
  • the additional add-on parts in question usually have dimensions and weights that require them to be transported separately.
  • suitable additional transport devices are necessary in order to transport them to and from their respective place of use.
  • the subsequent relocation to the telescopic boom and back again requires an additional mobile lifting device with which the respective attachment can be picked up and moved on site.
  • the transport and the implementation of such add-on parts therefore still offer room for improvement.
  • a vehicle crane system according to the preamble of claim 1 and a method for attaching and detaching a guying device to a telescopic boom of a mobile crane are already known.
  • the guying device transported on a semi-trailer is lifted by the mobile crane and thereby articulated support legs connected to the semi-trailer and the guying device are set up from a horizontal transport position into an almost vertical supporting position.
  • the support legs are supported by auxiliary legs in the erected support position and the mobile crane is detached from the guying device.
  • the telescopic boom is set up largely horizontally and parallel to the semi-trailer and at a distance from it.
  • the mobile crane then moves under the guying device and between the support legs and auxiliary legs with its telescopic boom.
  • the guying device is then picked up by the telescopic boom.
  • the guying device is attached to the telescopic boom and the support legs and auxiliary legs are released.
  • German Offenlegungsschrift shows DE 197 30 361 A1 a method for attaching and detaching a counterjib to a telescopic boom of a mobile crane.
  • the counter-jib is placed from a semi-trailer with an auxiliary crane onto the horizontally aligned telescopic jib and fixed there to an upper carriage of the mobile crane.
  • the disclosure document shows DE 28 33 535 A1 a method for attaching and detaching a telescopic boom to an upper structure of a mobile crane.
  • the telescopic boom resting on a semi-trailer is extended via pivoting support legs a horizontal transport position in a likewise horizontal support position and then moved by the semi-trailer in the direction of the superstructure in order to be bolted there.
  • the present invention is therefore based on the object of improving the previously known devices for transporting and relocating an additional add-on part as described above for the telescopic boom of a mobile crane in such a way that they allow the transport and relocation to be carried out more economically and practicably overall. Furthermore, two methods are to be shown, which in particular simplify the conversion of such an add-on part.
  • the device part of this object is solved by a vehicle crane system having the features of claim 1.
  • the solution to the method part of this object consists in a method having the features of claim 8 and in a method having the features of claim 12.
  • Advantageous refinements of the invention are specified in the respective dependent claims 2 to 7 as well as 9 to 11 and 13 to 15.
  • the mobile crane system comprising a mobile crane with an attachment that can be mounted on or removed from its telescopic boom, in particular a guying device, and an attachment transport unit designed to transport the attachment and according to the invention, includes a mobile transport device designed to transport the attachment, which has at least one loading arm .
  • the loading arm is designed in such a way that its free supporting end can be coupled to the add-on part which is or is to be mounted on the transport device.
  • the loading arm is movably arranged on the transport device in such a way that the attachment coupled to its free supporting end can be moved between the transport device and the telescopic boom.
  • the transport device has a tilting device which is designed to raise and lower on one side an attachment that is received or is to be received on the transport device.
  • the advantage resulting from the invention lies primarily in the combined Design of the attachment transport unit serving the purpose of use, which, in addition to the transport device serving for the separate transport of an attachment, now also contains the suitable means for its conversion.
  • the attachment transport unit according to the invention enables the measures required for transporting and attaching such an attachment to the telescopic boom of a mobile crane, in particular a mobile crane, to be carried out extremely economically and practicably.
  • the tilting device of the attachment transport unit can have at least one support arrangement and a tilting drive.
  • the tilting drive can advantageously be a linear drive or the tilting drive can contain at least one such linear drive.
  • the advantage of a linear drive lies in its extremely compact design compared to other drives, while at the same time offering high performance.
  • the support arrangement and the tilting drive provided for coupling to a first end section of the attachment are designed to raise or lower a second end section, opposite the first end section, of the attachment coupled to the tilting drive and supported at least in regions on the support arrangement.
  • the add-on part can advantageously be supported horizontally at least partially on the support arrangement, while it can be pivoted around the support arrangement to a limited extent, for example, due to a change in length of the tilting drive.
  • the at least one loading arm can be arranged pivotably on the transport device in such a way that an attachment to be loaded or unloaded can be moved on a path or a path which contains a movement component both in a vertical direction and in a horizontal direction.
  • a guying device in particular a lateral superlift, designed add-on part, this makes it easy to move up and down on and off the transport device without requiring an additional device to be provided on site for this purpose Converting the attachment required.
  • the at least one loading arm that can be pivoted for loading an attachment can advantageously be arranged on the transport device in such a way that a load arm is at least indirectly coupled to its free supporting end and at the same time at least partially or partially on the telescopic boom a vehicle crane supported attachment is movable accordingly.
  • a load arm is at least indirectly coupled to its free supporting end and at the same time at least partially or partially on the telescopic boom a vehicle crane supported attachment is movable accordingly.
  • the reason for this is the mounting of the add-on part, which takes place during this movement over two areas spaced apart from one another, namely on the at least one loading arm and the telescopic boom.
  • its end region supported on the telescopic boom can be shifted more or less parallel to the telescopic boom during the pivoting movement of the loading arm, while its opposite end region is moved on a circular path of the loading arm articulated on the transport device.
  • the configuration according to the invention provides that the attachment supported on a telescopic boom of a mobile crane and coupled to the tilting drive of the tilting device can be set in motion by a change in length of the tilting drive, which depends on the direction of the change in length of the tilting drive when it is placed or deducting the attachment in relation to the telescopic boom is used.
  • the attachment can advantageously be supported on a base box of the telescopic boom. According to this, it is possible on the one hand to set the attachment in a combined translatory and limited rotational first placement movement relative to the transport device away from the transport device, in particular towards the vehicle crane.
  • the configuration according to the invention provides that the attachment, which is placed at least in sections on the telescopic boom of the mobile crane and is coupled to the free supporting end of the at least one loading arm, is moved by a movement and/or change in length of the loading arm in one of the pivoting direction and/or direction of the change in length of the loading arm dependent and thereby the attachment or detachment of the attachment in relation to the telescopic boom serving movement can be displaced.
  • the add-on part advantageously moves at least partially from the transport device onto the telescopic jib or from the telescopic jib onto the transport device without using a device that has to be provided separately.
  • the attachment to be transported and/or repositioned with the attachment transport unit according to the invention is a guying device. It can particularly preferably be at least one lateral superlift.
  • a lateral superlift SSL or Y guying
  • Y guying is a lateral guying of the telescopic boom, the arrangement of which can sometimes significantly increase its load capacity.
  • its lateral movements induced, for example, by wind and solar radiation can be reduced in this way, which ultimately also increases the precision when working with a mobile crane equipped in this way.
  • the transport device can advantageously be a semi-trailer. This can be made entirely for the intended purpose or can be based on a commercially available semi-trailer. By selecting a semi-trailer that is suitable in terms of the required dimensions and loads, it can be supplemented by the necessary components, for example, and thus expanded into a transport device according to the invention in an economical manner.
  • the invention advantageously provides active pivoting of the at least one loading arm.
  • a combination of active drive of the tilting drive and of the at least one loading arm is particularly preferred.
  • the preferred active pivotability of the at least one loading arm allows precise guidance of the attachment coupled to it, which is of great importance in view of the possible dimensions and weight of such an attachment, such as a guying device.
  • a total of two loading arms can be provided, which are then arranged pivotably on the transport device as a loading arrangement.
  • This enables a better, more even weight distribution of the attachment, such as a guying device, on the loading arms.
  • the loading arms and attachment can then be positioned relative to one another during use in such a way that the attachment is securely supported essentially by both loading arms while it is being loaded.
  • the loading arms can be controlled in such a way that their respective pivoting movement(s) can be carried out either synchronously with one another and/or independently of one another. On the one hand, this can be done by rigidly connecting both loading arms, which inevitably causes them to be mechanically synchronized.
  • the mobility of the two loading arms which is otherwise independent of one another, can be controlled in such a way that they can be moved either synchronously with one another or independently of one another, as required.
  • their independent mobility allows a Fine adjustment in its alignment, which can be particularly advantageous when the attachment transport unit is not ideally aligned with respect to the telescopic boom of a mobile crane.
  • a pivot point that is as low as possible is considered advantageous.
  • the transport device can have a loading area which faces an attached part that is picked up and is essentially horizontally aligned, such as a guying device.
  • the loading arm(s) via an axis of rotation below the loading area, so that it/they can be pivoted about the axis of rotation.
  • This enables the lowest possible center of gravity for the proportionate introduction of the weight of a picked-up attachment into the transport device and from there onto the ground, for example via a chassis having wheels and/or chains.
  • the low arrangement of the axis of rotation enables its/their greater length, as a result of which the translatory displacement of an attached attachment can be correspondingly increased. In other words, a greater range can be achieved in relation to the displacement of an add-on part parallel to the transport device.
  • the attachment transport unit can preferably have a swivel drive in the form of a linear drive integrated between the at least one loading arm and the transport device.
  • a swivel drive can be arranged between each of these loading arms and the transport device.
  • the linear drive within the meaning of the invention can be all types of such drives, which are, for example, pressure-actuated, in particular pneumatically or preferably hydraulically driven.
  • the linear drive can be a hydraulic cylinder, for example.
  • this can also be driven via a gear, in which a rotary movement of a motor is converted into a translatory movement of the Linear drive is implemented, such as by means of a roller or ball screw drive.
  • a pivoting movement of the loading arm(s) is then based on a change in length of the linear drive(s).
  • the loading arm or the preferably two loading arms can each be divided into a lower arm section and an upper arm section. Said arm sections are then connected to one another via a joint so that they can be folded relative to one another.
  • the foldability of the loading arm or arms enables an attachment to be guided even more precisely, since the additional joint provides a further degree of freedom with regard to the mobility of the at least one loading arm.
  • the attached attachment can also be lowered in a position of the at least one loading arm by bending it around the joint, which would otherwise not be possible due to the otherwise specified, in particular shortest, length and the circular path of a pivoting movement of the loading arm thus specified.
  • the at least one loading arm has an articulated drive, which is then located between its two arm sections.
  • a joint drive it can be designed, for example, in the form of a length-adjustable linear drive in order to be able to carry out the necessary folding movement of the loading arm around its joint.
  • the loading arm in particular the respective loading arm, has a coupling area which is then used for the force-transmitting connection to the swivel drive .
  • its upper arm section can have said coupling area and be connected to a first end of the swivel drive in a force-transmitting manner, while a second end opposite the first end of the swivel drive is coupled to the transport device.
  • the coupling between swivel drive and transport device can be done, for example, via a bearing, which is then, for example, on or under the loading area of the Transport device is arranged.
  • its end section having the free supporting end can preferably be angled towards a side of the loading arm facing away from the swivel drive.
  • the loading arm in particular the respective loading arm, is designed such that it can be changed in length and is therefore telescopic. This means that its length can be changed as required, which means that, for example, a larger distance between the transport device and the mobile crane can be bridged accordingly. Alternatively or in combination with this, such an add-on part can also be further accommodated on the transport device, if necessary.
  • the loading arm can be designed in several parts, for example in the form of multi-section segments.
  • the mobile transport device can be designed to be movable actively or passively.
  • the attachment transport unit can be self-propelled, for example, so that it can be moved between its locations and/or for maneuvering in a quasi-automotive manner, that is to say of its own accord.
  • it can of course also only be carried along in the sense of a trailer with regard to its displaceability.
  • it can preferably be coupled to a suitable towing vehicle--such as a semi-trailer truck--which carries the attached part transport unit that is then pulled and/or pushed with it.
  • the at least one loading arm or the loading arrangement can be designed in such a way that it can be operated from an area that is not necessarily in the immediate vicinity.
  • the drives arranged on vehicles for moving such devices are usually operated, for example, via an operating unit arranged in and/or on the vehicle itself.
  • the invention provides the advantageous possibility of operating the loading arm(s) from outside. This means operation from outside a vehicle cabin, which in the case of a self-propelled mobile transport device, for example, can be part of the add-on transport unit configured in this way.
  • said vehicle cabin can be part of this towing vehicle.
  • the loading arm and/or the tipping device can be controlled by means of a wireless or wired operating unit.
  • a wireless or wired operating unit provides the greatest possible flexibility for a person operating the attachment transport unit.
  • the possibility of physical distance from the attachment transport unit offers a much better overview in order to ensure extremely precise control of the loading arm and/or the tilting device despite the sometimes considerable dimensions of mobile cranes and, for example, their main boom.
  • the tilting drive of the tilting device can be pivotably arranged on the transport device via its first end.
  • the orientation of the tilting drive can follow the movement of the attachment that can be coupled thereto, preferably without tension.
  • the tilting device can advantageously have a shelf on which the tilting drive can be placed, in particular in a raised position relative to a horizontal line.
  • the stowed position of the tilt drive forms its lowest possible orientation relative to the loading surface of the transport device, with the stowage ensuring that the tilt drive is always raised even when it is in the stowed state, which facilitates its coupling to an attachment.
  • the support arrangement can preferably have a first elevation and a second elevation, with the two elevations being spaced apart from one another to form a depression.
  • the indentation delimited by the two elevations represents a structural receptacle for the add-on part, which enables the add-on part that can be supported on the support arrangement to be positioned clearly.
  • the vehicle crane system according to the invention that has now been presented enables the extremely economical and practicable implementation of the transport and the repositioning of an add-on part, in particular a guying device, for a telescopic boom of a vehicle crane. Thanks to the configuration according to the invention, no additional devices are necessary in order to be able to fully carry out the measures necessary for transporting and relocating the add-on part.
  • the guying device can be supported on the support roller of the telescopic boom via at least one projection arranged on it.
  • the tilting drive of the tilting device can be actuated after it has been decoupled from the guying device in such a way that it is shortened.
  • the tilt drive moves outside the radius of movement of the attachment to prevent any collisions.
  • the lever arm of the tilting drive is shortened, which reduces its load, in particular during the movement of the attachment transport unit.
  • the guying device can be connected to the telescopic boom, in particular to its base box, via at least one fastening, in particular bolts, when it is completely placed on the telescopic boom, in order to achieve a firm, detachable connection between them.
  • the guying device can be supported on the support roller of the telescopic boom via at least one projection arranged on it.
  • the tilting drive of the tilting device can be actuated in such a way that it is lengthened before it is coupled to the first end section of the guying device and/or is shortened after it is decoupled from the guying device.
  • the fastening, in particular bolting, connecting the guying device to the telescopic boom can be released before the guying device is lifted off the telescopic boom.
  • the guying device is displaceable relative to the telescopic boom, so that an implementation on the Transport device can be done.
  • a guying device for a telescopic boom of a mobile crane can also be used for other add-on parts.
  • this also includes deleting and/or analogously adapting the measure(s) associated with a luffing cylinder.
  • FIG 1 shows the structure of a mobile crane system 1 according to the invention parked on a base U, which comprises a mobile crane 2 with a telescopic boom 3 extending parallel to a horizontal direction X and an attachment transport system 4 according to the invention.
  • the telescopic boom 3 is designed in the usual way to be hydraulically variable in length and lockable from a base box 3a and telescopic sections guided therein.
  • the head section 3c of the telescopic boom 3 can be raised and lowered via a luffing cylinder 3b in a manner that is not shown in detail here.
  • figure 2 is the attachment transport system 4 according to the invention shown isolated from the vehicle crane 2 figure 1 refer to.
  • the attachment transport system 4 has an attachment transport unit 5 with a mobile transport device 6 which also extends parallel to the horizontal direction X.
  • the transport device 6 is used to hold a - in figure 2 attachment 7 already placed on its loading area 6a facing away from the ground U.
  • the dimensions of the loading area 6a which extend both parallel to the horizontal direction X and parallel to a transverse direction Y extending perpendicularly to the plane of the page, offer sufficient space on which the attachment 7 is supported can.
  • the add-on part 7 is a guying device, in particular a lateral superlift, which is used for attachment to a base box 3a of the telescopic boom 3 is provided.
  • the guying device can have guying arms arranged one behind the other in the transverse direction Y, which are pivotably connected to one another via a connecting element (located in the region of a second end section 7b of the guying device 7) that is not visible in more detail, such that said guying arms are aligned in a V-shape to one another, including an angle, if required be able.
  • Said attachment 7 is therefore referred to below as the guying device 7 .
  • the transport device 6 can be, for example, a semi-trailer--as can be seen here--a semi-trailer, a low-loader or a trailer, to name just a few of the possible configurations.
  • the transport device 6 is recognizable as a semi-trailer. Their mobility is due to the coupling to a towing vehicle 8 of the attachment transport system 4, which is coupled to the transport device 6 in the form of an articulated lorry.
  • the towing vehicle 8 has a vehicle cab 8a from which the combination of the towing vehicle 8 and attachment transport unit 5 of the attachment transport system 4 can be controlled in the usual way, in particular with regard to the transport of the guying device 7 .
  • a tilting device 9 is provided on the transport device 6 and is arranged approximately centrally on the loading area 6a of the transport device 6 in relation to the transverse direction Y.
  • the tilting device 9 is designed to figure 2 lift and lower already on the loading area 6a of the transport device 6 recorded guying device 7 on one side.
  • the tilting device 9 has a tilting drive 10, which is designed as a linear drive in the embodiment shown here.
  • the tilting drive 10 is arranged via its first end so that it can pivot on the loading surface 6a of the transport device 6, with a shelf 10a of the tilting device 9 serving to support the tilting drive 10, which can be placed on it in its lowest pivoted position, in a direction relative to a horizontal or the horizontal direction X to hold the raised position.
  • the tipping device 9 comprises a support arrangement 11 which is arranged on the loading area 6a and has a first elevation 11a and a second elevation 11b. Both elevations 11a, 11b are spaced apart parallel to the horizontal direction X in such a way that they form a depression 11c include or develop between them.
  • the bracing device 7 On a first end section 7a facing tilting drive 10 and on a second end section 7b facing away from tilting drive 10, the bracing device 7 has a side element in each case in the form of two legs 7c, 7d spaced apart from one another in relation to the transverse direction Y, which extend perpendicularly parallel to a vertical direction Z.
  • the bases of the legs 7c arranged on the first end section 7a of the guying device 7 lie within the depression 11c, so that the guying device 7 can be tilted by horizontally supporting the two legs 7c on the second elevation 11b via the bases thereof.
  • the attachment transport unit 5 also has a loading arrangement 12 which is arranged in the region of the end of the transport device 6 opposite the towing vehicle 8 .
  • the loading arrangement 10 has here two loading arms 13, of which with respect to the representation of FIG figure 2 only the loading arm 13 in the foreground can be seen, while the loading arm 13, which in the present case extends parallel thereto and is at the rear in relation to the transverse direction Y perpendicular to the plane of the drawing, is covered by the loading arm 13 in the foreground.
  • Both loading arms 13 are pivotably articulated on the transport device 6 below the loading surface 6a via a common axis of rotation or a separate axis of rotation 14 each.
  • the loading arrangement 12, in combination with the tilting device 9, serves to reload the guying device 7.
  • the two loading arms 13 can be pivoted about the axis of rotation(s) 14 by means of an active rotation that is possible in the same or opposite directions.
  • the cantilevers 15 of each loading arm 13 are provided for at least indirect temporal coupling with the guying device 7 in order to move them along a path with a movement component in the vertical direction y and horizontal direction X as part of their conversion.
  • the active rotation of the loading arms 13 takes place via two pivot drives 16, of which due to the representation of figure 2 also only the swivel drive 16 in the foreground can be seen.
  • the two swivel drives 16 are designed as length-adjustable linear drives, which can preferably be hydraulic cylinders. The use of electric drives is of course also conceivable. Any of these two Pivoting drives 16 are integrated between the transport device 6 and one of the two loading arms 13 .
  • the loading arms 13 are essentially identical in shape to the covered loading arm 13, it becomes clear that these are each divided into a lower arm section 13a and an upper arm section 13b. Both arm sections 13a, 13b are connected to one another via a joint 13c and can be folded relative to one another.
  • an articulated drive 13d is provided on each of the two loading arms 13, which is articulated at the end both to the lower arm section 13a and to the upper arm section 13b.
  • the articulated drive 13d is designed as a length-adjustable linear drive, which can preferably be a hydraulic cylinder in each case.
  • the use of electric drives is of course also conceivable.
  • Each upper arm section 13b of the two loading arms 13 has a coupling region 13e, which is arranged on a side of the associated loading arm 13 that faces away from the articulated drives 13d.
  • the transport device 6 has two bearings 6b which are arranged below its loading surface 6a and which are each located essentially in the plane of one of the two swivel drives 16 .
  • the two swivel drives 16 are integrated between the transport device 6 and the associated loading arm 13 in such a way that they are connected via a first end to the coupling region 13e of a loading arm 13 in a force-transmitting manner, whereas their second ends, which are opposite the first end, are each connected to one of the Bearing 6b are coupled.
  • the cantilevers 15 of each loading arm 13 are angled toward a side remote from the associated linear drive 16 .
  • Figures 3 to 17 show successive measures to implement the guying device 7 between the transport device 6 of the attachment transport unit 5 and the telescopic boom 3 of the mobile crane 2:
  • figure 3 illustrates the attachments transport system 4 provided in the area of the vehicle crane 2, not shown here for reasons of clarity, consisting of towing vehicle 8 and attachments transport unit 5 with the guying device 7 accommodated on the transport device 6.
  • the The transport device 6 and the telescopic boom 3 of the mobile crane 2 are arranged relative to one another in such a way that the longitudinal direction of the guying device is aligned with the longitudinal direction of the telescopic boom 3 .
  • a second (free) end 10b of the tilting drive 10 was coupled in a suitable manner to the first end section 7a of the guying device 7.
  • the tilting drive 10 was lifted out of its position on the shelf 10a by means of a manual uprighting movement A1, with a linear movement M1 lengthening the tilting drive 10 bringing its second end 10b to a connecting area 7e of the first end section 7a of the guying device 7 has been relocated to and connected to; for example by means of a bolt.
  • FIG 4 the raised state of the second end section 7b of the guying device 7 can be seen.
  • the tilting drive 10 coupled to the guying device 7 was actuated again, with the first end section 7a of the guying device 7 being drawn towards the tilting drive 10 by a linear movement M1 shortening the tilting drive 10 .
  • the activated horizontal support of the guying device 7 via the base of its legs 7c on the second elevation 11b of the support arrangement 11 caused the guying device 7 to be tilted around the supporting arrangement 11 via a tilting movement P in such a way that the second end section 7b of the guying device 7 was opposite the loading area 6a of the transport device 6 is now raised.
  • FIG. 1 shows an overview of the vehicle crane system 1, with the guying device 7 still being in the raised state of its second end section 7b.
  • the mobile crane 2 is brought closer to the transport device 6 of the attachment transport system 4 by means of a displacement movement V.
  • said displacement movement V can also take place in the wrong direction, as a result of which the attachment transport system 4 can also be brought closer to the mobile crane 2 .
  • figure 6 shows the approximate state required for the further steps of the vehicle crane 2, which can only be seen here with a section of its telescopic boom 3, on the transport device 6 of the attachment transport system 4
  • the previous movement V of the mobile crane 2 only took place until the telescopic boom 3 is located below the second end section 7b of the guying device 7 in sections.
  • figure 7 illustrates the subsequent lowering of the second end section 7b of the guying device 7 in the direction of the telescopic boom 3.
  • the tilting drive 10 was actuated again, whereupon the tilting movement P of the guying device 7 around the support arrangement 11 resulting from the linear movement M1 lengthening the tilting drive 10 around.
  • the second end section 7b of the guying device 7 was lowered in the direction of the head section 3c of the telescopic boom 3 until the guying device 7 was supported on a support roller 3d arranged at the free end of the base box 3a.
  • FIG 8 the at least partial placement of the guying device 7 on the base box 3a of the telescopic boom 3 can be seen.
  • This state was achieved in that the guying device 7 was first lifted out of the support arrangement 11 by means of a linear movement M1 further lengthening the tilting drive 10 . Due to the inevitable kinematics, the further lengthening of the tilting drive 10 produced a combined translatory and limited rotary first touchdown movement AUF1 sliding and/or rolling around the support roller 3d of the telescopic boom 3 .
  • the guying device 7 In order to initiate the lowering of the second end section 7b and to limit the width in relation to the seating of the guying device 7 on the base box 3a of the telescopic boom 3, the guying device 7 has at least one projection 7g, to which in the course of the first placement Movement Uber1 the support roller 3d approaches and ultimately supports. In this way, the displacement of the guying device 7 parallel to the horizontal direction X is limited and the tilting movement P is already structurally initiated.
  • figure 9 shows the result of a subsequent pivoting movement S of the two loading arms 13 around their axis of rotation(s) 14 in combination with their change in length due to a telescoping movement T, as a result of which their free supporting ends 15 are now each coupled to a coupling point 7f located in the area of the first end section 7a of the guying device 7 is.
  • said coupling points 7f have an almost semicircular Deepening, in which the cantilevers 15 of the loading arms 13 can intervene like a joint in such a way that a quasi-rotating relative movement between the cantilevers 15 and the guying device 7 is also made possible in the coupled state.
  • the pivoting movement S of the two loading arms 13 is based on a linear movement M2 that lengthens the two pivoting drives 16 .
  • figure 11 clarifies the subsequent lifting of the guying device 7 from the support roller 3d of the telescopic boom 3, in that the loading arms 13 were set in a further pivoting movement S on the basis of a linear movement M2 that further lengthens their pivoting drives 16.
  • This movement can be supported by a further telescoping movement T that lengthens the loading arms 13 .
  • the guying device 7 Due to the inevitable kinematics, the guying device 7 is supported on the one hand on the free supports 15 of the loading arms 13 and on the other hand via its second end section 7b on the telescopic boom 3, with the latter sliding and/or rolling on its base box 3a.
  • the guying device 7 has at least one roller and/or sliding body 7h located on its second end section 7b and not shown here, via which the second end section 7b of the guying device 7 can be displaced parallel to the longitudinal direction of the telescopic boom 3 on its base box 3a. If the guying device 7 is designed as a superlift, said roller and/or sliding body 7h can then be arranged, for example, on its connecting element located between its guying arms.
  • figure 13 shows a further step in which the joint drive 13d arranged between the two articulated arm sections 13a, 13b of each loading arm 13 is actuated in such a way that as a result of a linear movement M3 shortening it, the two arm sections 13a, 13b are pivoted towards one another via a folding movement K .
  • the respective upper arm section 13b is folded down to a limited extent in relation to the associated lower arm section 13a.
  • figure 14 illustrates a second placement movement UP2, in which, through parallel or separate actuation of the swivel drives 13d and the articulated drive 16 as well as the ability to change the length of the loading arms 13, a combined translational and limited rotary sequence of swiveling movement S, folding movement K and the two loading arms 13 shortening telescoping movement T is carried out until the guying device 7 is lowered as far as possible in the direction of the base box 3a of the telescopic boom 3 .
  • FIG 15 the state of the guying device 7 that is completely laid down on the base box 3a of the telescopic boom 3 can be seen.
  • the luffing cylinder 3b of the mobile crane 2 was lengthened by a linear movement M4, as a result of which the telescopic boom 3 was raised from its alignment, which previously ran parallel to the horizontal direction X, via a corresponding luffing movement W in relation to the substructure U in such a way that its base box 3a was now completely under the guying device 7 was relocated.
  • figure 16 shows that the coupling points 7f of the guying device 7 due to the already in figure 15 described or a further rocking movement W of the telescopic boom 3 were lifted from the free supporting ends 15 of the two loading arms 13 and insofar decoupled from them.
  • FIG 17 the situation can be seen shortly before the mobile crane 2 is moved away from the attachment transport system 4 or vice versa by means of a displacement movement V.
  • the guying device 7 has now been completely implemented and was connected to the base box 3a of the telescopic boom 3 in a manner not shown in detail, for example by bolting.
  • the swivel drives 16 and the articulated drives 13d are then actuated in such a way that the two loading arms 13 are swiveled back in the direction of the loading surface 6a of the transport device 6 via a corresponding tilting movement K and swiveling movement S.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Jib Cranes (AREA)
EP19750104.2A 2018-08-08 2019-08-01 Fahrzeugkransystem mit einer anbauteil-transporteinheit für eine abspanneinrichtung, insbesondere einen seitlichen superlift, eines fahrzeugkrans Active EP3833627B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018119316.5A DE102018119316A1 (de) 2018-08-08 2018-08-08 Anbauteil-Transporteinheit für eine Abspanneinrichtung, insbesondere einen seitlichen Superlift, eines Fahrzeugkrans
PCT/EP2019/070757 WO2020030520A1 (de) 2018-08-08 2019-08-01 Fahrzeugkransystem mit einer anbauteil-transporteinheit für eine abspanneinrichtung, insbesondere einen seitlichen superlift, eines fahrzeugkrans

Publications (2)

Publication Number Publication Date
EP3833627A1 EP3833627A1 (de) 2021-06-16
EP3833627B1 true EP3833627B1 (de) 2022-07-06

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EP19750104.2A Active EP3833627B1 (de) 2018-08-08 2019-08-01 Fahrzeugkransystem mit einer anbauteil-transporteinheit für eine abspanneinrichtung, insbesondere einen seitlichen superlift, eines fahrzeugkrans

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US (1) US11772940B2 (ja)
EP (1) EP3833627B1 (ja)
JP (1) JP7376570B2 (ja)
DE (1) DE102018119316A1 (ja)
WO (1) WO2020030520A1 (ja)

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Publication number Priority date Publication date Assignee Title
DE102018119315A1 (de) 2018-08-08 2020-02-13 Terex Global Gmbh Anbauteil-Transporteinheit zum Transport eines Anbauteils, insbesondere Hauptauslegers eines Fahrzeugkrans
DE102019120134B3 (de) 2019-07-25 2020-09-10 Tadano Demag Gmbh Fahrzeugkran und Fahrzeugkransystem sowie Verfahren zum Aufrüsten und Abrüsten eines Fahrzeugkrans mit einer Abspannvorrichtung
DE102020101101B3 (de) 2020-01-17 2021-05-20 Tadano Demag Gmbh Auslegersystem für einen Fahrzeugkran mit Abspannvorrichtung sowie Verfahren zum Aufrüsten und Abrüsten einer Abspannvorrichtung eines Fahrzeugkrans

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DE102018119315A1 (de) 2018-08-08 2020-02-13 Terex Global Gmbh Anbauteil-Transporteinheit zum Transport eines Anbauteils, insbesondere Hauptauslegers eines Fahrzeugkrans
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US11772940B2 (en) 2023-10-03
JP2021533055A (ja) 2021-12-02
DE102018119316A1 (de) 2020-02-13
WO2020030520A1 (de) 2020-02-13
EP3833627A1 (de) 2021-06-16
JP7376570B2 (ja) 2023-11-08
US20210292136A1 (en) 2021-09-23

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