EP2657176B1 - Grue de véhicule avec dispositif de contrepoids pouvant être découplé - Google Patents

Grue de véhicule avec dispositif de contrepoids pouvant être découplé Download PDF

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Publication number
EP2657176B1
EP2657176B1 EP13155179.8A EP13155179A EP2657176B1 EP 2657176 B1 EP2657176 B1 EP 2657176B1 EP 13155179 A EP13155179 A EP 13155179A EP 2657176 B1 EP2657176 B1 EP 2657176B1
Authority
EP
European Patent Office
Prior art keywords
counterweight assembly
accordance
coupling rod
turntable
vehicle crane
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
EP13155179.8A
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German (de)
English (en)
Other versions
EP2657176A1 (fr
Inventor
Dieter Stührwoldt
Stephan Maywald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manitowoc Crane Group France SAS
Original Assignee
Manitowoc Crane Group France SAS
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Application filed by Manitowoc Crane Group France SAS filed Critical Manitowoc Crane Group France SAS
Publication of EP2657176A1 publication Critical patent/EP2657176A1/fr
Application granted granted Critical
Publication of EP2657176B1 publication Critical patent/EP2657176B1/fr
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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
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib

Definitions

  • the present invention relates to a vehicle crane, the counterweight assembly is coupled by means of a coupling device to the boom, so that the position of the counterweight assembly depends on the rocking position of the boom.
  • a crane is known in which the boom is connected by means of a linkage fixed with a horizontally displaceable counterweight, so that a buckling or rocking of the boom each causes a horizontal displacement of the counterweight.
  • the EP 1 990 306 A2 shows a mobile crane with a substantially horizontally movable counterweight arrangement.
  • the position of the counterweight assembly is coupled with coupled coupling device fixed to the rocking angle of the boom, with decoupled coupling device, the position of the counterweight assembly remains unchanged with changing rocking angle. It can therefore be selected between a coupled state, which allows an increasingly larger counter-torque by the counterweights when dumping, and a decoupled state in which the position of the counterweight assembly remains fixed relative to the turntable and allows the use of the crane in tight spaces.
  • decoupling should also be possible during crane operation, ie not only during setup.
  • the coupling device according to the invention is thus a force transmission device between the boom and the counterweight assembly, which initiates outgoing pressure from the boom pressure forces in the counterweight assembly and initiates outgoing from the counterweight assembly pressure forces in the boom.
  • the coupling device is designed to take up exclusively pressure forces from the boom and from the counterweight arrangement and to forward them to the counterweight arrangement or the boom.
  • the movement of the counterweight arrangement is a horizontal or vertical, in particular a horizontal and vertical movement.
  • a purely horizontal movement of the counterweight assembly only the moment is exerted which exerts the counterweight assembly against the cantilever torque on the turntable, while a purely vertical movement increases or decreases the potential or positional energy of the counterweight arrangement causes.
  • the coupling device has a linkage with at least one coupling rod.
  • a coupling rod is adapted to absorb compressive forces and thus to act as a power transmission between the boom and counterweight assembly.
  • At least one coupling rod of the coupling device linkage is configured such that at least one force application of the coupling rod can be spaced apart from a complementary force application.
  • a force attack is a point on the coupling rod to understand initiated on the forces in the coupling rod and / or can be discharged from it.
  • the coupling rod force application is fork-shaped, so that, for example, a bolt-shaped complementary force attack can engage in the forked force attack.
  • the coupling rod force attack bolt-shaped and the complementary force application is fork-shaped.
  • the coupling device is configured such that a canting of the cantilever increases the horizontal distance between the counterweight assembly and the cantilever axis and / or increases the vertical position the counterweight arrangement causes.
  • a canting of the cantilever increases the horizontal distance between the counterweight assembly and the cantilever axis and / or increases the vertical position the counterweight arrangement causes.
  • a pivoting movement of the counterweight arrangement ie a combined rotational / translational movement of the counterweight arrangement, is particularly preferred. This can be achieved, for example, by hanging the counterweight assembly on the turntable.
  • at least two pendulum supports are provided which engage, for example, on at least one at least partially projecting in a horizontal direction support arm.
  • the movement of the at least one further coupling rod is guided during rocking of the boom relative to the turntable, in particular by means of at least one mounted on a turntable fixed bearing point guide support, in particular in the region of the complementary force application to the further coupling rod attacks.
  • the further coupling rod is thus guided even in a decoupled configuration of the coupling linkage, wherein the guide post mounted on the turntable causes a defined movement of the coupling rod relative to the turntable. In this way, the defined movement of the coupler linkage is not affected by the decoupling.
  • the counterweights are mounted at the rearmost end of the turntable in mobile cranes. Accordingly, a further preferred embodiment of the present invention provides for the coupling rod to be mounted on the counterweight arrangement with the spaced-apart force application and / or for the coupling rod to be mounted on the cantilever with the complementary force application or the guided coupling rod in front.
  • the coupling rod to be mounted on the counterweight arrangement with the spaced-apart force application and / or for the coupling rod to be mounted on the cantilever with the complementary force application or the guided coupling rod in front.
  • Another advantage is a lockable embodiment of the counterweight assembly in order to fix it positionally with decoupled coupling device relative to the turntable. In this way it is prevented that the counterweight arrangement changes its position unintentionally.
  • different positions can be provided in which the counterweight assembly can be locked relative to the turntable. In this way, the position and thus also the counter-torque, for example, can also be varied during the use of the crane when the coupling device is coupled in, and then fixed in different positions as required for a decoupled coupling device.
  • FIG. 1 is a turntable 1 of the vehicle crane according to the invention to see, with a boom 2 is mounted on a non-designated horizontal rocking axis on the turntable 1 and this is tiltable relative to the turntable 1.
  • a counterweight assembly 3 can be seen, which Counterweight plates, a base plate and a stamp plate comprises, which in the FIG. 1 not to be designated.
  • the base plate 13 can be seen with a lifting cylinder to the punch plate 14, wherein on the base plate 13, the non-designated counterweight plates are mounted.
  • the coupling device 4 which comprises the coupling rods 5 and 6, wherein the coupling rod 5 rotatably mounted on the die plate 14 of the counterweight assembly 3 engages and with another, at the lower end of the boom rotatably mounted attacking coupling rod 6 is engaged.
  • FIGS. 3 and 4 This can be the FIGS. 3 and 4 be taken particularly well, with the FIG. 3 the slipped and the FIG. 4 the extended state of the boom 2 shows.
  • a guide support 12 is also seen, which acts in the region of the force attacks 7 and 8 of the coupling rods 5 and 6 on the coupling rod 6 and thus the two coupling rods 5 and 6 leads in the rocking movement of the boom 2.
  • the movement of the coupling rod 6 can be seen through an unillustrated breakthrough in the turntable.
  • FIGS. 3 and 4 also show the FIGS. 5 and 6 a on or istsippten state of the boom, but here in a decoupled Coupling 4.
  • the coupling rod 5 By shifting the coupling rod 5 by lowering the punch plate 14 through the located between the base plate 13 and punch plate 14 lifting cylinder, the forked force attack 7 from the complementary bolt-shaped force application 8 of the coupling rod 6 can be "hung", with a guide the coupling rod 6 through the guide post 12 is still given.
  • the counterweight assembly is moved to a locking position to prevent unwanted changes in position by crane movements with decoupled coupling device. Due to the decoupling no change in position of the counterweight assembly 3 is more effected by the cantilever rocking motion, but the coupling rod 6 can be moved freely through the coupling device 4 therethrough.
  • FIG. 7 provides a view of the complete lever kinematics of the coupling device 4 without the turntable 1 and the boom 2.
  • Two coupling rods 5 with forked force attacks 7 engage in the bolt-shaped force attacks 8 of the boom-side coupling rods 6, wherein two, arranged on both sides to the force attacks 7 and 8 Supports 12 ensure the leadership of the coupling rods 5 and 6 in the rocking movement of the boom 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Claims (14)

  1. Grue automotrice comprenant:
    - un châssis ;
    - une plate-forme tournante (1) montée en rotation sur le châssis ;
    - une flèche (2) montée sur la plate-forme tournante (1) et basculable autour d'un axe horizontal ;
    - un dispositif de contrepoids (3) monté sur la plate-forme tournante (1) et mobile par rapport à la plate-forme tournante (1) ; et
    - et un dispositif de couplage (4) couplant mécaniquement la position du dispositif de contrepoids (3) à l'angle de basculement de la flèche (2),
    caractérisée en ce que le dispositif de couplage (4) peut être découplé et est configuré pour absorber exclusivement des forces de pression provenant de la flèche (2) et les transmettre au dispositif de contrepoids (3) et absorber exclusivement des forces de pression du dispositif de contrepoids (3) et de les transmettre à la flèche (2).
  2. Grue automotrice selon la revendication 1, où le mouvement du dispositif de contrepoids (3) est un mouvement horizontal ou vertical, notamment comprend un mouvement horizontal ou vertical.
  3. Grue automotrice selon l'une des revendications 1 ou 2, où le dispositif de couplage (4) comporte une tringlerie avec au moins une tige d'accouplement (5, 6).
  4. Grue automotrice selon la revendication 3, où au moins une tige d'accouplement (5) est configurée de telle manière qu'au moins un point d'application d'une force (7) de la tige d'accouplement (5) est apte à être éloigné d'un point d'application d'une force complémentaire (8).
  5. Grue automotrice selon la revendication 4, où une rotation de la tige d'accouplement (5) autour d'un autre point d'application d'une force (9) de la tige d'accouplement (5) ou un déplacement de la tige d'accouplement (5) par abaissement de la plaque tampon (14) du dispositif de contrepoids (13) provoquent l'éloignement.
  6. Grue automotrice selon la revendication 4 ou 5, où le point d'application de force (7) apte à être éloigné est en forme de fourche afin de permettre un engagement du point d'application de force (8) complémentaire.
  7. Grue automotrice selon l'une quelconque des revendications 1 à 6, où le dispositif de couplage (4) est configuré de manière à ce qu'un basculement de la flèche (2) provoque un agrandissement de la distance horizontale entre le dispositif de contrepoids (3) et l'axe de basculement de la flèche et/ou une élévation de la position verticale du dispositif de contrepoids (3).
  8. Grue automotrice selon l'une quelconque des revendications 1 à 7, où le mouvement du dispositif de contrepoids (3) est un mouvement pivotant.
  9. Grue automotrice selon l'une quelconque des revendications 1 à 8, où le dispositif de contrepoids (3) est monté en suspension sur la plate-forme tournante (1).
  10. Grue automotrice selon la revendication 9, où le dispositif de contrepoids (3) est monté au moyen d'au moins deux supports pendulaires (10) qui viennent en prise avec au moins un bras de support (11) en saillie au moins partiellement horizontale.
  11. Grue automotrice selon l'une quelconque des revendications 4 à 10, avec au moins une autre tige d'accouplement (6) sur laquelle est formé le point d'application de force (8) complémentaire.
  12. Grue automotrice selon la revendication 11, où le mouvement de l'au moins une autre tige d'accouplement (6) lors du basculement de la flèche (2) est guidé relativement à la plate-forme tournante (1), notamment au moyen d'au moins un support de guidage (12) monté en un point d'appui fixe par rapport à la plate-forme tournante (1) et qui vient en prise avec l'autre tige d'accouplement (6), en particulier dans la zone du point d'application de force complémentaire (8).
  13. Grue automotrice selon l'une quelconque des revendications 4 à 12, où la tige d'accouplement (5) avec le point d'application de force (7) apte à être éloigné est montée sur le dispositif de contrepoids (3) et/ou la tige d'accouplement (6) guidée est montée sur la flèche (2).
  14. Grue automotrice selon l'une quelconque des revendications 1 à 13, où le dispositif de contrepoids (3) est configuré pour être arrêté relativement à la plate-forme tournante (1), notamment dans diverses positions.
EP13155179.8A 2012-03-30 2013-02-14 Grue de véhicule avec dispositif de contrepoids pouvant être découplé Active EP2657176B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012006494.2A DE102012006494B4 (de) 2012-03-30 2012-03-30 Fahrzeugkran mit entkoppelbarer Gegengewichtsanordnung

Publications (2)

Publication Number Publication Date
EP2657176A1 EP2657176A1 (fr) 2013-10-30
EP2657176B1 true EP2657176B1 (fr) 2015-07-08

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Application Number Title Priority Date Filing Date
EP13155179.8A Active EP2657176B1 (fr) 2012-03-30 2013-02-14 Grue de véhicule avec dispositif de contrepoids pouvant être découplé

Country Status (9)

Country Link
US (1) US9440824B2 (fr)
EP (1) EP2657176B1 (fr)
JP (1) JP5750467B2 (fr)
KR (1) KR20130111323A (fr)
CN (1) CN103359635B (fr)
BR (1) BR102013006026A2 (fr)
CA (1) CA2805936A1 (fr)
DE (1) DE102012006494B4 (fr)
ES (1) ES2546894T3 (fr)

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DE102011118926B3 (de) * 2011-11-21 2013-05-16 Wolffkran Holding Ag Gegengewichtsfixierung
US9341028B2 (en) * 2013-02-15 2016-05-17 Black Hawk Energy Services Ltd. Counterweight assembly for a self-propelled derrick rig assembly
US9238945B2 (en) 2013-02-15 2016-01-19 Black Hawk Energy Services, Inc. Base beam and self-propelled derrick rig assembly
CN103771301A (zh) * 2013-12-31 2014-05-07 江苏南铸科技股份有限公司 一种叉车配重
CN104828714B (zh) * 2014-12-19 2017-06-06 北汽福田汽车股份有限公司 用于工程机械的配重机构
NO2694425T3 (fr) 2015-01-28 2018-04-28
DE102015006439B4 (de) 2015-03-24 2023-08-31 Liebherr-Werk Ehingen Gmbh Mobilkran
JP7180966B2 (ja) 2016-01-29 2022-11-30 マニタウォック クレイン カンパニーズ， エルエルシー 視覚的アウトリガー監視システム
US11130658B2 (en) * 2016-11-22 2021-09-28 Manitowoc Crane Companies, Llc Optical detection and analysis of a counterweight assembly on a crane
JP7039200B2 (ja) * 2017-07-10 2022-03-22 株式会社加藤製作所 分割型カウンタウエイト
CN108328494A (zh) * 2018-04-08 2018-07-27 苏州库力铁重工有限公司 用于起重机的防侧翻机构
DE102019123313B4 (de) * 2019-08-30 2023-01-26 Manitowoc Crane Group France Sas Mobilkran mit variablem gegengewicht
CN112661036B (zh) * 2021-03-22 2021-05-28 湖南工业职业技术学院 一种汽车起重机及其使用方法
CN114516597A (zh) * 2022-02-22 2022-05-20 苏州庞源建筑机械科技有限公司 一种塔机平衡重锁紧装置及其锁紧方法

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Also Published As

Publication number Publication date
EP2657176A1 (fr) 2013-10-30
US9440824B2 (en) 2016-09-13
CN103359635A (zh) 2013-10-23
ES2546894T3 (es) 2015-09-29
CA2805936A1 (fr) 2013-09-30
JP5750467B2 (ja) 2015-07-22
DE102012006494A1 (de) 2013-10-02
US20130270209A1 (en) 2013-10-17
DE102012006494B4 (de) 2014-03-13
JP2013212929A (ja) 2013-10-17
BR102013006026A2 (pt) 2015-06-02
KR20130111323A (ko) 2013-10-10
CN103359635B (zh) 2016-01-06

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