EP2119663A2 - Grue mobile avec bras de cabine télescopique - Google Patents

Grue mobile avec bras de cabine télescopique Download PDF

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Publication number
EP2119663A2
EP2119663A2 EP09000292A EP09000292A EP2119663A2 EP 2119663 A2 EP2119663 A2 EP 2119663A2 EP 09000292 A EP09000292 A EP 09000292A EP 09000292 A EP09000292 A EP 09000292A EP 2119663 A2 EP2119663 A2 EP 2119663A2
Authority
EP
European Patent Office
Prior art keywords
driver
boom
cab
mobile crane
undercarriage
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
EP09000292A
Other languages
German (de)
English (en)
Other versions
EP2119663A3 (fr
EP2119663B1 (fr
Inventor
Mikica Rafailovic
Herbert Dorm
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.)
Liebherr Werk Ehingen GmbH
Original Assignee
Liebherr Werk Ehingen 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 Liebherr Werk Ehingen GmbH filed Critical Liebherr Werk Ehingen GmbH
Publication of EP2119663A2 publication Critical patent/EP2119663A2/fr
Publication of EP2119663A3 publication Critical patent/EP2119663A3/fr
Application granted granted Critical
Publication of EP2119663B1 publication Critical patent/EP2119663B1/fr
Not-in-force 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
    • B66C13/00—Other constructional features or details
    • B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
    • B66C13/54—Operator's stands or cabins

Definitions

  • the present invention relates to a mobile crane with an undercarriage with undercarriage, a superstructure rotatable on the undercarriage about a vertical axis of rotation and a boom which can be augmented on the superstructure by a horizontal rocking axis, in particular a telescopic boom.
  • Such mobile cranes usually have a car arranged on the superstructure over which the mobile crane is operated in crane operation. To be able to move the mobile crane on the road, a separate cab is usually provided in order to provide better visibility conditions for driving on the road.
  • a common cabin is used for the road travel and the crane operation, which is firmly attached to the superstructure.
  • the object of the present invention is therefore to provide a mobile crane in which an improved driver's view is obtained, in particular for road travel.
  • the present invention comprises a mobile crane with an undercarriage with chassis, a rotatable on the undercarriage about a vertical axis of rotation superstructure, a wippen on the superstructure about a horizontal rocking boom, in particular a telescopic boom, and a common driver's cab for road travel and crane operation, said the driver's cab is arranged on the superstructure via a telescopic cabin arm, and wherein the driver's cab for road travel can be detachably connected to the undercarriage in a travel position.
  • the driver's cab can be easily spend on the cab arm according to the invention, which carries the cab, the driver's cab from the working position to the travel position and connect there with the undercarriage so that the requirements are met in traffic.
  • the driver's cab can be advantageously adjusted via the cabin arm in its working position.
  • a safe, in particular mechanical steering connection between a steering handle, in particular a steering wheel and the steering of the undercarriage can be produced in the traveling position of the driver's cab.
  • the mobile crane can be operated at high speeds while driving on the road.
  • an electronic steering connection for example, with a steering over a joystick is possible.
  • the cabin arm of the mobile crane according to the invention is tiltably articulated on the superstructure.
  • the cabin arm is pivoted up and down about a horizontal axis, so that the movability of the driver's cab is increased.
  • the cab can thereby be optimally adapted to the respective stroke in the working position, in which the height of the driver's cab is changed in the working position.
  • the rocker arm of the cabin arm can be used to approach several movement positions with different heights.
  • the driver's cab has at least two travel positions, wherein a second, lower travel position can be lowered from the first travel position, in which advantageously a secure, in particular mechanical steering connection can be produced between a steering handle, in particular a steering wheel and the steering of the undercarriage.
  • the higher first traversing position allows a good view of the driver, in particular over the boom placed next to the driver's cab.
  • this first higher traversing position which can be used for driving on the road, then the safe steering connection according to the invention can be produced, so that can be driven here at high speeds.
  • an obstacle should be underrun for which the driver's cab would be located too high in the first travel position, this can be lowered to the second, lower travel position.
  • this second, lower travel position although the driver's view is less good than in the first travel position, it is still sufficient for a safe movement of the mobile crane.
  • the driver's cab can also be connected to the undercarriage in the second travel position. This results in a stable arrangement of the driver's cab also in the second movement position.
  • the boom can advantageously be deposited on the undercarriage during a road trip in a transport position.
  • the boom is advantageously arranged as low as possible in this transport position, so as to allow a good view of the driver over the boom away and also not to increase the headroom by the boom.
  • the boom is placed on the undercarriage that the eye point of the driver in the travel position of the cab, in which advantageously a secure, in particular mechanical steering connection between a steering handle, in particular a steering wheel and the steering of the undercarriage can be produced above the from the driver's point of view forwardly extending part of the boom.
  • a secure, in particular mechanical steering connection between a steering handle, in particular a steering wheel and the steering of the undercarriage can be produced above the from the driver's point of view forwardly extending part of the boom.
  • the driver looks out over the jib on the road and thus has an undisturbed field of view over 180 ° in the direction of travel.
  • the headroom of the mobile crane in the first movement position of the driver's cab is determined by the upper edge of the driver's cab, while in the second movement position of the driver's cab it is determined by the upper edge of the revolving platform on which the boom is articulated.
  • an energy guiding chain is arranged in or on the cabin arm.
  • the data, signals and the Transfer energy are integrated in the cabin arm.
  • electrical, pneumatic and hydraulic transmission lines can be integrated in the cabin arm.
  • centerings in particular centering pins, are provided for quick locking of the driver's cab in the or the travel positions.
  • the secure steering connection between the steering handle, e.g. a steering wheel, and steering gear so that the requirements in road traffic are met. Only after these are completely completed, the controller will release the higher driving speed.
  • the driver's cab could be positioned in different high travel positions.
  • the driver's cab was arranged in such a way that there was a good view of the boom mounted on the undercarriage, whereby the driver's cab represented the largest height of the mobile crane and thus determined the passage height.
  • the second movement position there was a limited view across the boom, but now the articulation of the boom on the revolving stage represented the largest height of the mobile crane and thus determined the passage height.
  • the transport position of the telescopic boom can be changed according to the invention, however, to combine a good view of the driver with a low headroom.
  • the present invention comprises a mobile crane with an undercarriage with a chassis, a superstructure rotatable on the undercarriage about a vertical axis of rotation and a boom which can be augmented on the superstructure by a horizontal luffing axis, in particular a telescopic boom.
  • the boom for road travel in a first transport position can be stored and lowered to reduce the overall height of the mobile crane from the first transport position in at least one second transport position.
  • the present invention provides a considerably improved visibility for the driver.
  • the boom can be lowered into the second, lower transport position.
  • the improved view through the first transport position is combined with the possibility, if necessary, of reducing the overall height of the mobile crane for low passages.
  • the boom is also stored in the second transport position.
  • a boom storage rack is provided, on which the boom is at least in the first transport position can be stored.
  • the boom storage rack is advantageously arranged on the undercarriage of the mobile crane, so that the boom is supported during transport on the undercarriage.
  • the mobile crane according to the invention on a boom storage rack with adjustable storage height and / or at least two different storage heights. This makes it possible to store the boom according to the invention both in the first and in the second transport position on the boom storage rack.
  • the present invention is advantageously used in mobile cranes, in which the boom is arranged laterally next to the driver's cab while driving on the road.
  • the inventive increased first transport position of particularly great advantage, since the view from the next to the boom arranged cab no longer obstructed by the boom as in the prior art in which due to the overall height was provided a low transport position by the elevated position of the boom during road travel becomes.
  • the present invention is used in a mobile crane, which has a common driver's cab for road travel and crane operation.
  • the driver's cab is usually arranged relatively high, so that the low storage position of the boom used in the prior art is particularly disturbing and result from the increased first transport position of the boom according to the invention special visual advantages.
  • the driver's cab is movable from a working position into a traveling position. This results in each improved visibility for crane operation and for road travel.
  • an adjusting arrangement is provided with an adjusting drive, via which the driver's cab can be moved from the travel position for road travel into the working position for crane operation.
  • the driver's cab for road travel with the undercarriage in the travel position is releasably connectable, wherein advantageously a secure, in particular mechanical steering connection between a steering handle, in particular a steering wheel and the steering of the undercarriage can be produced.
  • a secure, in particular mechanical steering connection between a steering handle, in particular a steering wheel and the steering of the undercarriage can be produced.
  • the driver's cab is arranged on the superstructure via a telescopic cabin arm.
  • the crane cab In the telescoped state of the cabin arm, the crane cab is advantageously positioned in the normal working position for crane operation.
  • the cabin arm For driving on the road, the cabin arm is telescoped out so that the driver's cab can be moved to its travel position.
  • the driver's cab is then connected in this traversing position with the undercarriage.
  • the cabin arm according to the invention enables a simple positioning of the cabin according to the invention.
  • the cabin arm is pivotally hinged to the superstructure.
  • the cabin arm is pivoted about a horizontal axis of rotation rocker on the superstructure.
  • the cabin arm according to the invention it is possible by the cabin arm according to the invention to adjust the driver's cab not only from the travel position to a single working position, but also to optimally adapt the working position by pivoting the cabin arm to the working conditions.
  • the driver's cab can be tilted accordingly.
  • the cabin arm is thus used both for better visibility during lifting operations, as well as for improved visibility when driving on the road.
  • an energy guiding chain is arranged in or on the cabin arm.
  • This chain transmits the data, signals and energy.
  • electrical, pneumatic and hydraulic transmission lines can be integrated into the cabin arm.
  • centering in particular centering, provided for quick locking of the cab in the traversing position.
  • the driver's cab can be easily centered by moving into the travel position and locked there.
  • the secure steering connection between the steering handle, in particular steering wheel, and steering gear so that the requirements are met in road traffic. Only after this work is completely completed, the higher speed is released by the controller.
  • the boom is arranged in the first transport position such that the eye point of the driver is in a traveling position of the driver's cab below the part of the boom extending forwards from the driver's point of view.
  • the driver looks below the boom on the road and thus has an unobstructed view over 180 ° to the front.
  • the traveling position of the driver's cab is a position in which the driver's cab for road travel can be connected to the undercarriage and in which advantageously a secure, in particular mechanical steering connection between the steering wheel and the steering of the undercarriage can be produced, so that corresponding Speeds can be driven.
  • the boom is arranged in the second transport position so that the eye point of the driver is in a traveling position of the driver's cab above the part of the boom extending from the driver's point of view.
  • the driver thus looks over the boom forward and to the side, while thus in the first transport position of the mobile crane, the boom head represents the largest height of the mobile crane and thus determines the passage height, in the second transport position advantageously the greatest height in the region of the articulation point of the boom given at the turntable, so that this determines the passage height.
  • the driver's cab is advantageously, as already shown, locked in the traveling position in the undercarriage, wherein advantageously a secure steering connection can be produced.
  • the design with two different transport heights of the boom can also be combined with different travel positions of the driver's cab, wherein z. B. the driver's cab when the boom was placed to reduce the headroom in the second, lower transport position, can be raised in a slightly increased travel position to improve the view of the boom.
  • this movement position of the driver's cab should be chosen so that this does not increase the vertical clearance of the mobile crane again.
  • the greatest height of the driver's cab may correspond to the greatest height of the revolving stage. In such an arrangement, the driver's cab can then advantageously be locked at least in the lower travel position on the undercarriage.
  • a mobile crane is provided by the present invention, which ensures optimal visibility for the driver, especially when driving on the road. Furthermore, a fast ride of the mobile crane is made possible without a separate driver's cab for driving on the road would have to be provided.
  • FIGS. 1 to 5 show embodiments of the mobile crane according to the invention with an undercarriage 1, on which the chassis is arranged.
  • the chassis comprises the front steering axle 6 and at least one further axle, in the exemplary embodiment, the two rear axles 17 and 18. Alternatively, several steered axles, in particular a plurality of steered front axles, are used.
  • the upper carriage 2 of the mobile crane is arranged rotatable about a vertical axis of rotation 11.
  • the boom 3 is pivoted about the horizontal rocking axis 7, wherein the boom 3 is a telescopic boom.
  • This telescopic boom has a pivoting joint, via which the boom is articulated on the superstructure, and several austeleskopierbare from the pivoting telescopic shots.
  • the boom is about the luffing cylinder 12, which is arranged between the pivoting joint and the superstructure to the Wippachse 7 winnable.
  • a rotary drive is provided, with which the superstructure can be rotated together with the telescopic boom about the vertical axis of rotation relative to the undercarriage 1.
  • Supporting elements 9 and 10 are still provided on the undercarriage 1, via which the undercarriage can be supported.
  • the mobile crane according to the invention has a common driver's cab 5 for road travel and crane operation. According to the invention is thus only one Driver's cab 5 needed to drive the mobile crane according to the invention on the road and to operate during crane operation.
  • By saving an additional cabin significant cost advantages can be achieved because a single assembly is used for two purposes.
  • the chassis is significantly shortened by the elimination of the usual separate cab, and thereby achieved a significant improvement in maneuverability.
  • the driver's cab 5 is arranged on the upper carriage 2 via a telescopic cabin arm 6.
  • the driver's cab 5 can be moved from its travel position as shown in FIG. 3 is shown in the in FIG. 4 shown working position to be moved. This also improves the maneuverability of the mobile crane on the construction site, since the undercarriage on the construction site is shortened by the length of the driver's cab.
  • the cabin arm 6 is pivoted on the upper carriage 2.
  • the pivot axis 27 extends horizontally, so that the cabin arm 6 with the driver's cab 5 can be tilted up and down.
  • the pivot axis 27 of the cabin arm and the rocking axis 7 of the arm 3 lie in alignment, although alternative arrangements are also possible here.
  • an energy guiding chain is furthermore provided, via which the data, signals and the energy are transmitted.
  • FIG. 1 a first exemplary embodiment of the present invention is shown in which the driver's cab for road travel can be connected to the undercarriage in a travel position.
  • a safe, in particular mechanical steering connection between the steering wheel and the steering of the undercarriage can be produced in the travel position.
  • the cabin arm 6 is telescoped out and is thus located on the front of the undercarriage 1.
  • the driver's cab 5 according to the requirements, which are valid in road traffic, are locked to the undercarriage 1. So that the locking takes place quickly, centerings are provided with corresponding pins.
  • the secure steering connection between the steering wheel and steering gear can be made so as to produce the required for the high-speed operation safe steering connection.
  • the secure steering connection is advantageously carried out mechanically by positive engagement.
  • the eye point of the driver in the traveling position of the driver's cab with respect to the boom is arranged so that an undisturbed field of view results in 180 ° in the direction of travel.
  • the eye point is arranged above the part of the jib that extends forward from the point of view of the driver, so that the driver looks forward and to the side over the jib.
  • the height of the crane cab in the traversing position and thus the connecting elements to the undercarriage is selected accordingly.
  • the driver's cab can now be positioned at two different heights on the undercarriage, wherein a secure steering connection is advantageously provided at the at least the height intended for road driving.
  • this position, in which a secure steering connection is provided is a first, higher travel position of the car.
  • FIG. 1 it can be explained how the driver's cab 5 can hereby be lowered as needed so that the passage height is no longer determined by the driver's cab 5 but by the revolving platform 2.
  • the greatest height L K of the driver's cab is greater than the maximum height L D of the revolving stage or articulation of the boom on the revolving stage.
  • the headroom of the mobile crane is determined by the maximum height L K of the driver's cab. If the driver's cab is now lowered from the first travel position to the second travel position, so that the maximum height L K of the driver's cab is less than or equal to the greatest height L D of the revolving platform, the height of the mobile crane is determined by this maximum height L D of the revolving platform , which can not be fallen below anyway. For normal driving on the road, a better view is made possible by the raised position of the driver's cab, but this also increases the vertical clearance of the mobile crane. To drive under obstacles then the cab can be lowered, with a slightly worse view is accepted.
  • FIGS. 2 and 3 a second embodiment of the mobile crane according to the invention is shown, in which the boom 3 for road travel in a first transport position can be stored and lowered to reduce the overall height of the mobile crane from the first transport position to a second transport position.
  • FIG. 2 shows the first embodiment while driving on the road, in which the boom 3 is stored in a first transport position.
  • a boom storage rack 4 is provided, which is arranged on the undercarriage 1 and on which the boom in the first transport position can be stored. Due to this high arrangement of the boom 3 while driving on the road, the driver's cabin 5, which is arranged next to the boom during the road trip, gives an excellent view of the road. From the driver's point of view 14, there is a good view both from the side and from the front, since the boom is arranged completely above the eye point 14 in the first transport position and thus does not block the driver's view.
  • the boom 3 is as in FIG. 3 shown lowered into a second transport position. While in the first transport position of the boom head 13 determines the maximum total height of the mobile crane, the boom is more togewippt in the second transport position, so that the jib head 13 is arranged lower than z. B. the upper edge of the cab 5 and / or the upper edge of the revolving stage or the articulation of the boom on the superstructure 2.
  • FIG. 3 shown second transport position in which the boom head 13 of the boom is arranged lower than in the first transport position, it is possible according to the invention to pass through very low obstacles.
  • the boom 3 is also stored in the second transport position.
  • the boom storage rack on an adjustable storage height and / or at least two different storage levels.
  • the driver's cab of the second exemplary embodiment for road travel can also be connected to the undercarriage in a travel position in which a secure, in particular mechanical steering connection between the steering wheel and the steering of the undercarriage can be produced, as already described with respect to the first exemplary embodiment.
  • FIG. 4 shows the mobile crane according to the invention now in its working position in which the driver's cab 5 was released from the undercarriage 1 and was moved by Einteleskopieren the cabin arm 6 closer to the boom 3 in its working position.
  • the cab arm 6 can also be flipped about the horizontal pivot axis 27, as in Fig. 5a is shown.
  • the cab is articulated about the horizontal axis 15 tiltably on the cabin arm.
  • the driver's cab can be tilted, z. B. to keep the cab in a horizontal position. This gives the driver an even better view.
  • the telescopic boom 3 is also flipped up and can be used to lift a load.
  • the driver's cab 5 rotates with a rotation of the superstructure about the horizontal axis of rotation.
  • FIGS. 5a and 5b is the adjustment process of the driver's cab from the in FIG. 4 shown working position in the FIGS. 1 to 3 shown moving positions, wherein in Fig. 5a the cabin arm has been tipped up, but is still telescoped. From this position then the cabin arm in the in FIG. 5b shown telescoped position so that the cab is above its mounting position on the undercarriage. The cabin arm is then tipped off again until the driver's cab is in a traveling position in which it is fastened to the undercarriage. It is in FIGS. 5a and 5b already the cabin base 16 with stairs mounted on the undercarriage. This will shorten the mobile crane for work on the construction site, as in FIG. 4 shown, dismantled, or folded
  • a driver's cab which can be moved via the telescopic cabin arm from a working position in a travel position, which is connectable there to the undercarriage, is realized, with an improved view either by the lowering of the driver's cab from the travel position or by the lowering of the boom a first is achieved in a second transport position.
  • a safe, in particular mechanical steering connection can be produced in the travel position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP09000292.4A 2008-04-11 2009-01-12 Grue mobile avec bras de cabine télescopique Not-in-force EP2119663B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200820005033 DE202008005033U1 (de) 2008-04-11 2008-04-11 Mobilkran

Publications (3)

Publication Number Publication Date
EP2119663A2 true EP2119663A2 (fr) 2009-11-18
EP2119663A3 EP2119663A3 (fr) 2009-12-16
EP2119663B1 EP2119663B1 (fr) 2013-05-15

Family

ID=40756552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09000292.4A Not-in-force EP2119663B1 (fr) 2008-04-11 2009-01-12 Grue mobile avec bras de cabine télescopique

Country Status (3)

Country Link
EP (1) EP2119663B1 (fr)
JP (1) JP2009256102A (fr)
DE (1) DE202008005033U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012062807A1 (fr) * 2010-11-11 2012-05-18 Gottwald Port Technology Gmbh Système de transfert de conteneurs
US9522623B2 (en) 2010-11-11 2016-12-20 Terex Mhps Gmbh Heavy duty transport vehicle for ISO containers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008005035U1 (de) * 2008-04-11 2009-08-20 Liebherr-Hydraulikbagger Gmbh Arbeitsgerät und Notablasssystem

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012062807A1 (fr) * 2010-11-11 2012-05-18 Gottwald Port Technology Gmbh Système de transfert de conteneurs
US8996159B2 (en) 2010-11-11 2015-03-31 Terex Mhps Gmbh Handling system for containers
US9522623B2 (en) 2010-11-11 2016-12-20 Terex Mhps Gmbh Heavy duty transport vehicle for ISO containers

Also Published As

Publication number Publication date
JP2009256102A (ja) 2009-11-05
EP2119663A3 (fr) 2009-12-16
EP2119663B1 (fr) 2013-05-15
DE202008005033U1 (de) 2009-08-20

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