EP2582608B1 - Grue sur camion - Google Patents

Grue sur camion Download PDF

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Publication number
EP2582608B1
EP2582608B1 EP20110738578 EP11738578A EP2582608B1 EP 2582608 B1 EP2582608 B1 EP 2582608B1 EP 20110738578 EP20110738578 EP 20110738578 EP 11738578 A EP11738578 A EP 11738578A EP 2582608 B1 EP2582608 B1 EP 2582608B1
Authority
EP
European Patent Office
Prior art keywords
crane
cable
compensation device
arms
winch
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
EP20110738578
Other languages
German (de)
English (en)
Other versions
EP2582608A1 (fr
Inventor
Walter Haberl
Erich Wimmer
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.)
Palfinger AG
Original Assignee
Palfinger AG
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 Palfinger AG filed Critical Palfinger AG
Priority to PL11738578T priority Critical patent/PL2582608T3/pl
Publication of EP2582608A1 publication Critical patent/EP2582608A1/fr
Application granted granted Critical
Publication of EP2582608B1 publication Critical patent/EP2582608B1/fr
Active 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
    • B66C13/18—Control systems or devices
    • 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
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/10—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for preventing cable slack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—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
    • B66C23/42—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 with jibs of adjustable configuration, e.g. foldable
    • 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
    • B66C23/54—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 with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • 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
    • B66C23/705—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic telescoped by hydraulic jacks

Definitions

  • the invention relates to a vehicle crane - in particular articulated arm crane - with a lifting arm and one or more articulated arms which are mutually variable in geometry and one can be guided or guided on the crane arms load rope.
  • the invention relates to a method for keeping constant a voltage of a load part of a vehicle crane.
  • the object of the invention is to provide a comparison with the prior art improved vehicle crane.
  • the compensation device can be a rope overuse or slack rope formation when unfolding and when folding the crane arms are prevented.
  • the compensation device can carry a substantially load-free rope synchronously with the crane arms pivoting towards one another. This can be achieved in that the compensation device causes a substantially constant and constant tension of the load rope.
  • the compensation device in the change of the geometry of the crane arms the tension of the load rope to a substantially constant and constant value regulates.
  • a uniform tension of the load rope can be achieved with any change in the geometry of the crane arms.
  • the compensation device is designed hydraulically. Since many mobile cranes already have a hydraulic winch, thus, the compensation device can be included in the existing hydraulics.
  • the compensation device has at least one pressure relief valve.
  • the compensation device has at least one directional control valve - preferably a 2/2 way valve.
  • the at least one directional control valve is designed to be electrically switchable.
  • a simple way can be achieved to turn the directional control valve off or on.
  • the vehicle crane has a winch, wherein the compensation device is at least partially formed on the winch. This achieves a compact design.
  • the winch has a drive, wherein the compensation device cooperates with the drive of the winch. Together with the drive of the winch already existing hydraulic training of the winch can be used and influenced by the compensation device.
  • the compensation device has a displacement transducer, wherein the displacement transducer is releasably securable at the cable end of the load rope.
  • the position transducer has at least one spring element, preferably a gas spring.
  • Spring elements are a particularly cost-effective variant to make changes in length compensated.
  • FIG. 1 shows the crane arm system 110 of a vehicle crane 100 with a lift arm 106, hinged thereto a first articulated arm 101 and at the first Knickarm 101 - which is telescopically formed - a hinged second articulated arm 102nd
  • the vehicle crane 100 in this case has a winch 104.
  • This winch 104 is used for lifting loads by means of the load cable 103rd
  • the cable 103 can remain reeved when folding the crane arm system 110 of the vehicle crane 100.
  • the load cable 103 is normally fastened to a fixed point 107 during folding on the second articulated arm 102. Since the load cable 103 extends from the lift arm 106 via the first articulated arm 101 and further from the crane push arms of the first articulated arm 101 to the second articulated arm 102 via a plurality of pivot points, the folding of the articulated arms and the displacement of the crane push arms results in a shortening or lengthening of the cable 103.
  • the crane arm system 110 of the articulated-arm crane 100 shown in this embodiment can, on the one hand, pivot the two articulated arms 101 and 102 relative to each other so that the two articulated arms 101 and 102 lie substantially parallel to one another in at least one of their two end positions.
  • the two crane arms 106 and 101 can be pivoted to each other, that too these are in at least one of its two end positions, the two crane arms 106 and 101 are substantially parallel to each other.
  • This articulated crane 100 in this case has a compensation device 1 for tensioning a load cable 103, wherein the compensation device 1 with the winch 104 of the articulated crane 100 cooperates - in fact with the drive 105 (not shown, see Fig. 2 ) of the winch 104. Like this one FIG. 1 it can be seen, while the compensation device 1 is formed on the winch 104 of the vehicle crane 100.
  • FIG. 2 shows a schematic diagram of the winch 104 including supply with a load cable 103 arranged thereon.
  • the winch 104 has a drive 105.
  • the compensation device 1 is arranged.
  • the drive 105 is controlled via the main control valve 14 of the crane for lifting and lowering the load cable 103 of the cable winch 104.
  • the liquid container 13 provides the necessary liquid - preferably oil - for the hydraulic drive 105 available.
  • the 2/2-way valve 2 - the 2/2-way valve 2 is electrically switchable 6 is formed - opened and the main control valve 14, the function "winch winch" is activated.
  • the resulting pressure opens the brake 11 and the oil flow allows the winch 104, the rope 103 retract and tension. If the cable 103 is tensioned, the winch 104 stops and the oil flow returns via the pressure limiting valve 3.
  • the pressure set at the pressure limiting valve 3 results in the height of the cable pulling force.
  • the cable 103 is wound further as described above. In this case, the maximum cable speed results from the set on the main control valve 14 oil flow.
  • the winch 104 is rotated in the opposite direction by the cable pulling force and the cable 103 is unwound. Due to the constantly applied pressure by the function activated on the main control valve 14 "lift winch" function, the brake 11 always remains open and allows the. By the rotating in the lowering direction drive 105 resulting flow also flows through the 2/2-way valve 2 and the pressure relief valve Control of cable traction. The load-holding valve 10 is bypassed by the compensation device 1.
  • the voltage of the load cable 103 of a vehicle crane 100 not shown, (see FIG. 1 ), wherein the load cable 103 on the lift arm 106 and the articulated arms 101 and 102 (see FIG. 1 ), wherein in one step the load cable 103 is tensioned by the compensation device 100 by means of the cable winch 104, in a further step - in a change in the geometry of the crane arms 106, 101 and 102 to each other - which a shortening of the guide load of his load cable 103 to the Crane arms 106, 101 and 102 caused - the load cable 103 is wound by the compensation device 1 on the winch 104, however, in a further step - in a further change in the geometry of the crane arms 106, 101, 102 to each other - which an extension of the guide of the load rope 103 causes the crane arms 106, 101, 102 - the load cable 103 is unwound by the compensating device 1 of the winch 104.
  • FIG. 3 shows a variant of a compensation device 1 on a part of the crane arm system 110 in side view.
  • the crane arm system 110 in this case has the two crane arms 101 and 102, a further crane arm 106 is not shown here.
  • the compensation device 1 acts on the cable fix point 107 of the cable 103.
  • the winch 104 (not shown) is controlled via the position sensor 30 at the cable fix point 107.
  • This displacement sensor 30 consists of a spring element 32 - preferably a gas spring - which is retracted in the unactuated state. This setting is via a switch (not shown) supervised. The activation of the compensation device 1 is not possible in this position, since it is the normal winch operation.
  • the cable end 31 is attached to the transducer 30 and biased by winding the cable 103 with the winch 104, the spring element 32 about half its stroke.
  • the activation of the compensation device 1 is now possible, their release is carried out by the monitoring switch, not shown.
  • the position of the spring element 32, actually its stroke, is measured with an analog sensor (not shown) and forwarded as an electrical signal to the controller (not shown) of the winch 104. Via this control, the winch 104 is activated and the cable 103 is either wound up or unwound until the position sensor 30 reaches the middle position.
  • FIG. 4 shows a side view of a vehicle 50, on which a vehicle crane 100 is arranged.
  • the crane arm system 110 of the vehicle crane 100 in this case has the lifting arm 106 and an articulated arm 101.
  • the winch 104 is arranged in this preferred embodiment, which has the compensation device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Jib Cranes (AREA)

Claims (12)

  1. Grue mobile (100) - en particulier grue à bras articulés - comportant un bras de levage (106) et un (101) ou plusieurs bras articulés (101, 102), lesquels (106, 101, 102) sont réglables les uns par rapport aux autres en leur géométrie, et un câble porteur (103), apte à être guidé ou guidé sur les bras (106, 101, 102) de la grue, caractérisée en ce qu'il est prévu un dispositif de compensation (1), par lequel la tension dans le câble porteur (103) peut être commandée ou réglée lors d'une variation de la géométrie des bras (106, 101, 102) les uns par rapport aux autres.
  2. Grue mobile selon la revendication 1, caractérisée en ce que le dispositif de compensation (1), lors de la variation de la géométrie des bras (106, 101, 102), règle la tension du câble porteur (103) à une valeur sensiblement permanente et constante.
  3. Grue mobile selon la revendication 1 ou 2, caractérisée en ce que le dispositif de compensation (1) est réalisé sous forme de dispositif hydraulique.
  4. Grue mobile selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le dispositif de compensation (1) comporte au moins un limiteur de pression (3)
  5. Grue mobile selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le dispositif de compensation (1) comporte au moins une vanne de distribution (2) - de préférence une vanne de distribution à 2/2 voies.
  6. Grue mobile selon la revendication 5, caractérisée en ce que ladite au moins une vanne de distribution (2) est conçue pour être commutée (6) électriquement.
  7. Grue mobile selon l'une quelconque des revendications 1 à 6, caractérisée en ce que ladite grue mobile (100) comporte un treuil à câble (104), le dispositif de compensation (1) étant réalisé, au moins en partie, sur ledit treuil à câble (104).
  8. Grue mobile selon la revendication 7, caractérisée en ce que le dispositif de compensation (1) coopère avec le treuil à câble (104).
  9. Grue mobile selon la revendication 7 ou 8, caractérisée en ce que le treuil à câble (104) comporte un système d'entraînement (105), le dispositif de compensation (1) coopérant avec ledit système d'entraînement (105) du treuil à câble (104).
  10. Grue mobile selon l'une quelconque des revendications 1 à 9, caractérisée en ce que le dispositif de compensation (1) comporte un capteur de déplacement (30), ledit capteur de déplacement (30) étant fixé de manière amovible à l'extrémité (31) du câble porteur (103).
  11. Grue mobile selon la revendication 10, caractérisée en ce que le capteur de déplacement (30) comporte au moins un élément à ressort (32) - de préférence un ressort à gaz comprimé.
  12. Procédé permettant de maintenir constante une tension dans un câble porteur (103) d'une grue mobile (100), en particulier une grue à bras articulés, ledit câble porteur (103) étant guidé sur un bras de levage (106) et un (101) ou plusieurs bras articulés (101, 102), lesquels (106, 101, 102) sont réglables les uns par rapport aux autres en leur géométrie, caractérisé en ce que
    - au cours d'une étape, le câble porteur (103) est tendu par un dispositif de compensation (1) au moyen d'un treuil à câble (104),
    - au cours d'une autre étape - lors d'une variation de la géométrie des bras (106, 101, 102) les uns par rapport aux autres, laquelle induit un raccourcissement du guidage du câble porteur (103) sur les bras (106, 101, 102) - ledit câble porteur (103) est enroulé sur le treuil à câble (104) par le dispositif de compensation (1),
    - au cours d'une autre étape - lors d'une autre variation de la géométrie des bras (106, 101, 102) les uns par rapport aux autres, laquelle induit un allongement du guidage du câble porteur (103) sur les bras (106, 101, 102) - ledit câble porteur (103) est déroulé du treuil à câble (104) par le dispositif de compensation (1).
EP20110738578 2010-06-17 2011-06-16 Grue sur camion Active EP2582608B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11738578T PL2582608T3 (pl) 2010-06-17 2011-06-16 Żuraw przejezdny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0037910U AT12086U1 (de) 2010-06-17 2010-06-17 Fahrzeugkran
PCT/AT2011/000266 WO2011156829A1 (fr) 2010-06-17 2011-06-16 Grue sur camion

Publications (2)

Publication Number Publication Date
EP2582608A1 EP2582608A1 (fr) 2013-04-24
EP2582608B1 true EP2582608B1 (fr) 2013-10-09

Family

ID=44352485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110738578 Active EP2582608B1 (fr) 2010-06-17 2011-06-16 Grue sur camion

Country Status (10)

Country Link
US (1) US8875912B2 (fr)
EP (1) EP2582608B1 (fr)
AT (1) AT12086U1 (fr)
BR (1) BR112012031830B1 (fr)
CA (1) CA2805055C (fr)
DK (1) DK2582608T3 (fr)
ES (1) ES2441606T3 (fr)
PL (1) PL2582608T3 (fr)
RU (1) RU2564059C2 (fr)
WO (1) WO2011156829A1 (fr)

Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
FR2981300B1 (fr) * 2011-10-13 2013-12-20 Aztec Bati retractable pour vehicule d'entretien de pistes skiables
DE102014012493A1 (de) * 2014-08-27 2016-03-03 Schwing Gmbh Knickmast
EP3067309B1 (fr) 2015-03-10 2019-08-07 HAWE Hydraulik SE Soupape de commande de groupe hydraulique et système hydraulique doté d'une soupape de commande correspondante
DK3239092T3 (da) * 2016-04-25 2019-09-02 Cargotec Patenter Ab Hydraulisk kran
CN106395697B (zh) * 2016-08-24 2019-10-01 浙江鼎力机械股份有限公司 伸缩连接组件及高空作业平台
FI128555B (fi) * 2016-12-30 2020-08-14 Ponsse Oyj Nosturi ja työkone
EP3441625B1 (fr) * 2017-08-08 2020-06-17 B&R Industrial Automation GmbH Élément de montage à limitation de pression
FR3105200B1 (fr) * 2019-12-24 2021-12-03 Reel Grue à flèche articulée, pour application offshore

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FR1548863A (fr) * 1967-12-12 1968-12-06
US3527362A (en) * 1968-04-18 1970-09-08 Kenneth W Allen Crane attachment for backhoe
JP2593349B2 (ja) * 1988-10-21 1997-03-26 清水建設株式会社 クレーン装置およびその使用方法
US4969789A (en) * 1988-12-16 1990-11-13 Searle Gregory P Machine for handling modular building components
FR2765564B1 (fr) * 1997-07-02 1999-08-27 Potain Sa Mature pliable en trois elements avec dispositif de pliage/depliage pour grue a tour
DE19932009A1 (de) * 1998-07-07 2000-01-27 Mannesmann Ag Fahrbarer Kran mit einem Teleskopausleger
DE10153105B4 (de) 2000-10-23 2005-04-28 Terex Demag Gmbh & Co Kg Automatisches Verfahren zum sicheren Ablegen und Aufnehmen einer Hakenflasche
CA2389775A1 (fr) 2002-07-12 2004-01-12 Douglas Faughnan Contact de detection de mou de cable
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CA2520847A1 (fr) * 2003-04-02 2004-10-14 Terex-Demag Gmbh & Co. Kg Fleche en deux parties pour grue a fleche en treillis et technique d'erection
ES2302909T3 (es) 2003-06-23 2008-08-01 Fassi Gru S.P.A. Grua con un guinche y un dispositivo de control de la traccion.
EP1528263A1 (fr) * 2003-10-29 2005-05-04 Hiab Ab Grue
DE102005031076B4 (de) * 2005-06-27 2007-11-29 Kässbohrer Geländefahrzeug AG Pistenpflegefahrzeug mit Seilzugmoment-Kompensation
AT10273U1 (de) * 2007-05-03 2008-12-15 Palfinger Ag Verstellmechanismus für eine seilwinde
GB0819400D0 (en) * 2008-10-22 2008-11-26 Subsea 7 Offshore lifting operations

Also Published As

Publication number Publication date
DK2582608T3 (da) 2014-01-13
US20130092648A1 (en) 2013-04-18
RU2013102071A (ru) 2014-07-27
PL2582608T3 (pl) 2014-04-30
WO2011156829A1 (fr) 2011-12-22
EP2582608A1 (fr) 2013-04-24
CA2805055A1 (fr) 2011-12-22
BR112012031830B1 (pt) 2021-03-09
CA2805055C (fr) 2017-03-21
US8875912B2 (en) 2014-11-04
BR112012031830A2 (pt) 2016-11-08
ES2441606T3 (es) 2014-02-05
AT12086U1 (de) 2011-10-15
RU2564059C2 (ru) 2015-09-27

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