EP1382560B1 - Grue mobile avec des supports de roues pivotants - Google Patents

Grue mobile avec des supports de roues pivotants Download PDF

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Publication number
EP1382560B1
EP1382560B1 EP03090152A EP03090152A EP1382560B1 EP 1382560 B1 EP1382560 B1 EP 1382560B1 EP 03090152 A EP03090152 A EP 03090152A EP 03090152 A EP03090152 A EP 03090152A EP 1382560 B1 EP1382560 B1 EP 1382560B1
Authority
EP
European Patent Office
Prior art keywords
vehicle crane
vehicle
carriers
crane according
supporting
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 - Lifetime
Application number
EP03090152A
Other languages
German (de)
English (en)
Other versions
EP1382560A1 (fr
Inventor
Rolf Heintz
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
Original Assignee
Terex Demag 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 Terex Demag GmbH filed Critical Terex Demag GmbH
Publication of EP1382560A1 publication Critical patent/EP1382560A1/fr
Application granted granted Critical
Publication of EP1382560B1 publication Critical patent/EP1382560B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66C23/62—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

Definitions

  • the invention relates to a vehicle crane with Radschwenkanyn according to the preamble of claim 1.
  • a vehicle crane is also from the DE-A-2142750 known.
  • a vehicle crane which has a superstructure arranged around a vertical axis of rotation on a wheeled undercarriage, which in turn is provided with a trailer.
  • the undercarriage has a central box as a support structure for the rotatable mounting of the upper carriage.
  • the central box is seen in the direction of travel at its front rigidly connected to a front portion of the chassis of the vehicle crane.
  • On the back of the central box two Radschwenklike are arranged, which form part of the entire chassis in the driving position.
  • the two Radschwenkashi In lifting operation, the two Radschwenkashi are swung to the side and are provided with height-adjustable floor supports so that they form two support beams.
  • two articulation points are provided on which two more support beams for lifting operation can be mounted.
  • a chassis which can also be used for mobile cranes, in which four Radschwenklike are arranged on a central box as a central supporting structure, which are each provided at their ends with respect to the longitudinal direction of the Radschwenkys pivotable axes with two wheels. This is to be created for the construction of the chassis each work implement a special flexibility in labor input.
  • the object of the present invention is to improve a vehicle crane of the generic type in such a way that it has the lowest possible weight of the undercarriage, including the support beams required for the lifting operation, given the carrying capacity.
  • the solution of the invention is that the undercarriage of the vehicle crane is provided with a central box on which at least three, preferably four support beams are installed, two of which are designed as Radschwenkango, which are to be regarded as a replacement for a conventional chassis frame the road chassis.
  • at least one further, preferably two support beams are provided, which are pivotable for the conversion in the lifting operation relative to the central box.
  • additional support beams can be provided if required.
  • To adjust the driving readiness for road driving all support beams including the Radschwenkango can be brought into a parallel position to each other and locked under each other in this position.
  • the Radschwenké and not provided with wheels further support bracket in the driving position relative to the direction of travel are pivotable backwards. This means that the central box is located in the front part of the ready-to-drive vehicle crane.
  • the axial length of the two Radschwenky makes up significantly more than half the total length of the vehicle crane.
  • the length of the Radschwenky is at least 70% of the vehicle length.
  • the required for ensuring proper driving locking the Radschwenkany other can be useful physically integrated into a shelf for the boom.
  • the boom should not only be supported by a slewing ring of the superstructure in relation to the undercarriage because of its high weight, but at least one additional support in the form of e.g. having frame-like tray.
  • This shelf can be designed so that it simultaneously forms a connection between the two Radschwenkanyn in the sense of locking.
  • the support beams ie both the support wheels not having wheels of the running gear and the wheel pivot supports, can advantageously be designed as telescopic support beams in order to be able to set a suitable size of the support length as required and the spatial conditions at the place of use.
  • the support beams and / or the Radschwenkffy can also be designed divided into at least two parts in such a way that the parts of a support bracket are connected to each other via a rotary joint. This results in particular advantages when swinging a support support, for example in the case of the circumvention of an obstacle, which would stand in an elongated support beam in the way, but can be bypassed with a correspondingly bent support beams.
  • a central support is provided with which the central box can be supported on the ground.
  • This central support is expediently carried out in accordance with the provided at the ends of the support beam or Radschwenkani support cylinder with backup plates.
  • the cavities therein can be advantageously used as tanks for fuel or hydraulic fluid or filled with appropriate tanks.
  • the cavities may also be used to accommodate other functional elements for crane or vehicle operation (e.g., control units).
  • a drive motor in particular a diesel engine, which, as a common power generation unit, supplies the drive energy not only for the driving operation but also for the crane operation.
  • a drive motor can be arranged in or on the central box, with expediently a coupling with an aggregate for generating hydraulic or electrical drive energy is provided.
  • the drive energy required for the operation of one or more winches of the superstructure can easily lead to the superstructure.
  • wheels of the road running gear is advantageously used hydraulic or electrical drive energy, although of course would be possible via corresponding transfer case a purely mechanical drive. More flexible and cost-effective in terms of performance are hydraulic or electric single-wheel drives.
  • the wheels are arranged on steerable axles in the sense of independent suspension.
  • the steering Although it can be done mechanically, it is expediently designed to be electrically or hydraulically operable.
  • the wheels are mounted on a hydropneumatic suspension. This makes it possible to selectively make a limited pulling up the wheels to increase the ground clearance when converting the vehicle crane from driving to the lifting operation or vice versa.
  • the in the FIGS. 1 and 2 schematically illustrated vehicle crane has an undercarriage 1 and on a turntable 19 rotatably supported thereon superstructure 2.
  • the undercarriage 1 is equipped with a four-axle road chassis, whose wheels carry the reference numeral 7.
  • An essential part of the undercarriage 1 is a central box 4.
  • At this central box 4 are mounted on pivot joints (Stützlager8) with a vertical axis of rotation a total of four support beams, of which ( Fig. 2 ) the two middle as pure support beams 5a, 5b and the two outer are formed as Radschwenkany 6a, 6b.
  • the Radschwenkany 6a, 6b are equipped with the wheels 7 and form the chassis of the vehicle crane.
  • a cultivation in which (not shown) an engine, preferably a diesel engine, and an aggregate for converting the mechanical energy generated by the engine into hydraulic or electric drive energy for driving and lifting operation the vehicle crane are housed.
  • an engine preferably a diesel engine
  • a rotary feedthrough 18 is arranged, can be performed by the supply lines from the undercarriage 1 in the upper carriage 2.
  • a preferably hydraulically extendable central support 11 is arranged, which ensures the safe support of the undercarriage 1 on the ground together with the at the ends of the support beams 5a, 5b and Radschwenkany 6a, 6b arranged support cylinder in the lifting operation.
  • the in Fig. 1 shown in the retracted and lowered into the basic position boom 3 is designed as a telescopic boom with several austelekopierbaren telescopic shots.
  • a hoist 13 for the lifting operation shown.
  • the boom 3 can be moved by means of a rocker cylinder 10 from the horizontal basic position in an obliquely upward working position.
  • a driver's cab 14 is arranged, which is advantageous, as will be described below, used in common for the driving operation as well as for the lifting operation.
  • This tray 9 is used in a second function for rigid locking of the two Radschwenkany 6a, 6b with each other, so that the two Radschwenkany 6a, 6b together with the interposed two support beams 5a, 5b in conjunction with the central box 4 represent a rigid support structure.
  • the wheels 7 are arranged on steerable, ie pivotable axes to ensure the steerability of the vehicle. It can be provided that one or more axes are executed in the middle region of the chassis in the sense of a rigid axle. In Fig. 2 this is so provided for in the direction of travel penultimate axis.
  • the two front axles and the rear axle of the chassis are steerable via a common hydraulic steering system 16, which is schematically indicated. By counter-hitting the front wheels against the rear wheels can ensure good maneuverability of the vehicle crane.
  • Fig. 2 Opposite the vehicle crane in Fig. 2 has the vehicle crane also shown schematically in Fig. 3 a chassis with two more, so a total of six axes. He has significantly longer support beams 5a, 5b and Radschwenkany 6a, 6b, which are divided in each case in the middle and connected there via a rotary joint 15. The rear halves of the support beams and Radschwenkany are designated 5a ', 5b', 6a 'and 6b'.
  • Fig. 4 shows the vehicle crane according to Fig. 1 and Fig. 2 in a working position suitable for lifting operation.
  • the at the ends of the support and Radschwenkany 5a - 6b mounted support cylinder 21 and the central support 11 are provided at their lower ends with support plates 12. which ensure a sufficient reduction of surface pressure on the floor.
  • Both the support beams 5a, 5b and the Radschwenkany 6a, 6b have telescopic inner support 17, with which the indicated by a line square support surface can be significantly increased if necessary.
  • Still goes out Fig. 4 show that the boom is erectable via a paired system of teetering cylinders 10.
  • the pivotable about a vertical axis superstructure 2 is provided with a counterweight 22.
  • the driver's cab 14 which is provided with a driver's seat 23 for the driving operation and a crane operator's seat 24 for the lifting operation, is pivoted by means of a swivel joint from the central position during driving ( Fig. 1 ) by about 180 ° laterally next to the boom 3 ( Fig. 4 ) pivotable.
  • the crane operator In the pivoted position, the crane operator thus sits a considerable distance outside the rocker plane which can be crossed over by the longitudinal axis of the boom 3 and thus has a good view of the head of the boom 3 and the load to be lifted.
  • the driver's cab 14 is pivoted back by 180 ° with respect to the rotary joint, so that the driver has a clear view to the front in the direction of travel.
  • a pivoting also on the opposite side of the boom 3 to a corresponding mirror image of the boom axis arranged pivot joint can be made.
  • FIG. 8 shows the crane according to Fig. 4 It can be clearly seen here that the support on the floor via the central support 11 and in the present case at the ends of telescoping inner supports 17 of the Radschwenkany 6 and support beams 5 arranged support cylinder 21 is carried out with support plates 12 , Furthermore, it can be seen that in addition to the hoist 13, a second hoist 25 is still available for the lifting operation.
  • Fig. 5a - 5h shows how the in Fig. 3 shown six-axis crane can be successively converted from driving to the position of the lifting operation. This can be done in the way that starting from the basic position in Fig. 5a First, the central support and the support cylinder on the support beams 5a, 5b and the Radschwenkany 6a are actuated so that the Radschwenkani 6b completely free from the ground and can be pivoted, for example by 15 ° to the outside.
  • the support cylinder is extended at Radschwenkany 6b and retracted the support cylinder on Radschwenkany 6a, so that the latter is released from the ground and swung to a slightly larger angle, namely, for example, 25 °, as in Fig. 5c is shown.
  • the support cylinder of the support beams 5a is retracted and this support carrier 5a is then swung out by eg 15 °, so that the position in Fig. 5e is reached, in which the Radschwenkany 6b is parallel to the support bracket 5a.
  • the support cylinder of the wheel swing carrier 6b can then be retracted and the wheel pivot carrier 6b can be swung out to an angle of, for example, 60 ° when the support cylinder of the support beam 5b is extended ( Fig. 5f ).
  • the support cylinder may, for example, the support beam 5 b retracted and this support beam 5 b are pivoted further to an angle of, for example, 45 °, so that the state according to Fig. 5g established.
  • the support cylinder of the Radschwenkanys 6a can then be retracted and swung to an angle of eg 90 °, as in Fig. 5h is reproduced.
  • the pivoting of the support beams 5a, 5b and wheel pivot carrier 6a, 6b can be made by motor means of a corresponding (not shown) pivot drive.
  • a corresponding (not shown) pivot drive can be addressed by an electronic control, also not shown, so that then the individual sub-steps accordingly Fig. 5 completely or at least partially automatically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Traffic Control Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (17)

  1. Grue mobile avec une partie tournante (2) disposée de manière rotative autour d'un axe de rotation vertical sur une structure portante (1) présentant un mécanisme de roulement sur route avec des roues (7), qui est pourvue d'une flèche (3), la structure portante (1) présentant comme ossature une caisse centrale (4), sur laquelle sont articulés quatre supports d'appui (5a, 5b, 6a, 6b) pouvant pivoter vers l'extérieur, parmi lesquels deux sont réalisés comme porteurs pivotants de roue (6a, 6b) et sont pourvus de roues (7) du mécanisme de roulement sur route,
    tous les supports d'appui (5a, 5b, 6a, 6b) pouvant être pivotés vers l'arrière parallèlement les uns aux autres pour le réglage de la disposition au roulement pour le roulement sur route dans une position de marche par rapport au sens de la marche et
    les deux porteurs pivotants de roue (6a, 6b) pouvant être verrouillés entre eux dans la position de marche contre un pivotement vers l'extérieur involontaire formant en remplacement d'un cadre de châssis usuel, le mécanisme de roulement sur route.
  2. Grue mobile selon la revendication 1,
    caractérisée en ce
    que les deux porteurs pivotants de roue (6a, 6b) constituent dans la position de marche essentiellement plus de la moitié, en particulier au moins 70 % de la longueur de la grue mobile.
  3. Grue mobile selon l'une quelconque des revendications 1 à 2,
    caractérisée en ce que
    le verrouillage pour les porteurs pivotants de roue (6a, 6b) est réalisé comme un réceptacle (9) pour la flèche (3).
  4. Grue mobile selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce que
    les supports d'appui (5a, 5b) ou les porteurs pivotants de roue (6a, 6b) sont réalisés comme des supports d'appui télescopiques.
  5. Grue mobile selon l'une quelconque des revendications 1 à 4,
    caractérisée en ce que
    les supports d'appui (5a, 5b) ou les porteurs pivotants de roue (6a, 6b) sont divisés respectivement en au moins deux parties, les parties d'un support d'appui (5a, 5b, 6a, 6b) étant reliées entre elles par des articulations tournantes (15).
  6. Grue mobile selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce
    qu'un moteur de commande commun, en particulier un moteur diesel, est prévu comme groupe électrogène pour la marche du véhicule et la marche de la grue.
  7. Grue mobile selon la revendication 6,
    caractérisée en ce que
    le moteur de commande est disposé dans ou sur la caisse centrale (4).
  8. Grue mobile selon l'une quelconque des revendications 6 et 7,
    caractérisée en ce que
    le moteur de commande avec un groupe servant à produire de l'énergie d'entraînement hydraulique ou électrique est disposé dans ou sur le caisson central (4).
  9. Grue mobile selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce que
    des réservoirs pour carburant ou fluide hydraulique ou autres parties fonctionnelles pour la marche de la grue ou du véhicule sont disposées dans les supports d'appui (5a, 5b).
  10. Grue mobile selon l'une quelconque des revendications 1 à 9,
    caractérisée en ce que
    les roues (7) du mécanisme de roulement sur route présentent des entraînements à roues indépendantes hydrauliques ou électriques.
  11. Grue mobile selon l'une quelconque des revendications 1 à 10,
    caractérisée en ce que
    les roues (7) sont disposées sur une suspension à roues indépendantes dirigeables électriquement ou hydrauliquement.
  12. Grue mobile selon l'une quelconque des revendications 1 à 11,
    caractérisée en ce que
    les roues (7) sont logées au-dessus d'une suspension hydropneumatique qui permet au choix un tirage vers le haut limité des roues (7) pour augmenter la garde au sol lors de l'adaptation de la grue mobile de la marche du véhicule à la marche de levage.
  13. Grue mobile selon l'une quelconque des revendications 1 à 12,
    caractérisée en ce
    qu'une commande électronique est prévue, laquelle permet un déroulement automatique de positionnement des supports d'appui (5a, 5b) et des porteurs pivotants de roue (6a, 6b) lors de l'adaptation entre la marche de levage et la marche du véhicule.
  14. Grue mobile selon l'une quelconque des revendications 1 à 13,
    caractérisée en ce que
    les porteurs pivotants de roue (6a, 6b) et les supports d'appui (5a, 5b) peuvent être infléchis par compression de manière ciblée en marche du véhicule pour augmenter la bonne tenue en virage de la grue mobile dans les articulations tournantes (15).
  15. Grue mobile selon l'une quelconque des revendications 1 à 13,
    caractérisée en ce que
    la caisse centrale (4) peut être appuyée sur le sol par le biais d'un appui central (11) pouvant être sorti.
  16. Grue mobile selon l'une quelconque des revendications 1 à 15,
    caractérisée en ce
    qu'une cabine (14) commune est prévue pour la marche du véhicule et la marche de levage.
  17. Grue mobile selon la revendication 16,
    caractérisée en ce que
    la cabine (14) est disposée de manière pivotante autour d'un axe vertical et peut être pivotée latéralement pour la marche de levage à côté de la flèche (3).
EP03090152A 2002-07-19 2003-05-22 Grue mobile avec des supports de roues pivotants Expired - Lifetime EP1382560B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10233813A DE10233813A1 (de) 2002-07-19 2002-07-19 Fahrzeugkran mit Radschwenkträgern
DE10233813 2002-07-19

Publications (2)

Publication Number Publication Date
EP1382560A1 EP1382560A1 (fr) 2004-01-21
EP1382560B1 true EP1382560B1 (fr) 2008-09-17

Family

ID=29762110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03090152A Expired - Lifetime EP1382560B1 (fr) 2002-07-19 2003-05-22 Grue mobile avec des supports de roues pivotants

Country Status (3)

Country Link
EP (1) EP1382560B1 (fr)
AT (1) ATE408581T1 (fr)
DE (2) DE10233813A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004004714U1 (de) 2004-03-25 2005-09-08 Liebherr-Hydraulikbagger Gmbh Unterwagen für mobile Arbeitsmaschinen
DE102007055535B4 (de) 2006-11-21 2023-08-03 Liebherr-Werk Ehingen Gmbh Mobilkran
DE202008013908U1 (de) 2008-10-17 2009-01-08 Terex-Demag Gmbh Abstützeinrichtung
CN102529908B (zh) * 2012-02-03 2014-05-14 中联重科股份有限公司 一种支撑装置及工程机械车辆

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
BE532195A (fr) * 1953-10-07
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DE2710303A1 (de) * 1977-03-09 1978-09-14 Liebherr Werk Biberach Unterwagen, vorzugsweise fuer einen kran
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DE3336638C2 (de) * 1982-10-12 1987-04-16 Fried. Krupp Gmbh, 4300 Essen Fahrzeugkran hoher Traglast mit verlängerbarem Ausleger, insbesondere Teleskopausleger
DE8228585U1 (de) * 1982-10-12 1984-05-30 Fried. Krupp Gmbh, 4300 Essen Fahrzeugkran hoher traglast mit verlaengerbarem ausleger, insbesondere teleskopausleger
DE3336637A1 (de) * 1982-10-12 1984-04-12 Fried. Krupp Gmbh, 4300 Essen Fahrzeugkran hoher traglast mit verlaengerbarem ausleger, insbesondere teleskopausleger
FR2545075B1 (fr) * 1983-04-26 1986-11-21 Val Notre Dame Soudure Meca Ap Procede et engin d'enlevement d'aeronef ecrase
DE9412217U1 (de) * 1993-08-16 1994-12-15 Liebherr-Werk Ehingen Gmbh, 89584 Ehingen Mobilkran-Baukasten-System
FR2716841B1 (fr) * 1994-03-02 1996-04-05 Siprel Dispositif permettant d'abaisser l'arrière d'un véhicule pour l'amener près du sol.
DE19545433A1 (de) * 1995-12-06 1997-06-19 Karl Paul Hebe- und Versetzvorrichtung zur Handhabung von plattenförmigen Gegenständen
DE19617505A1 (de) * 1996-05-03 1997-11-06 Putzmeister Ag Fahrbare Arbeitsmaschine mit Stützauslegern
DE19736108A1 (de) * 1997-08-21 1999-02-25 Putzmeister Ag Fahrbare Arbeitsmaschine mit teleskopierbaren Stützauslegern
DE19752520A1 (de) * 1997-11-27 1999-06-10 Walter Biedenbach Kran
DE19933232A1 (de) * 1998-07-16 2000-04-06 Kobe Steel Ltd Radkran
DE19948831B4 (de) * 1999-10-06 2005-06-30 Terex-Demag Gmbh & Co. Kg Fahrzeugkran

Also Published As

Publication number Publication date
DE10233813A1 (de) 2004-02-19
EP1382560A1 (fr) 2004-01-21
DE50310496D1 (de) 2008-10-30
ATE408581T1 (de) 2008-10-15

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