EP2139804B1 - Mécanisme de réglage pourvu d'un treuil à câble - Google Patents

Mécanisme de réglage pourvu d'un treuil à câble Download PDF

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Publication number
EP2139804B1
EP2139804B1 EP08733238A EP08733238A EP2139804B1 EP 2139804 B1 EP2139804 B1 EP 2139804B1 EP 08733238 A EP08733238 A EP 08733238A EP 08733238 A EP08733238 A EP 08733238A EP 2139804 B1 EP2139804 B1 EP 2139804B1
Authority
EP
European Patent Office
Prior art keywords
winch
crane
arrangement according
crane arm
linear drive
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
EP08733238A
Other languages
German (de)
English (en)
Other versions
EP2139804A1 (fr
Inventor
Eckhard 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 PL08733238T priority Critical patent/PL2139804T3/pl
Publication of EP2139804A1 publication Critical patent/EP2139804A1/fr
Application granted granted Critical
Publication of EP2139804B1 publication Critical patent/EP2139804B1/fr
Active 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
    • B66C23/18—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
    • 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
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/08—Driving gear incorporating fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/18912—Compound lever and slide

Definitions

  • the present invention relates to an arrangement with a winch, which is preferably provided for lifting loads, and an adjusting mechanism for the winch, the winch is mounted in the mounted state on a crane arm by the adjusting between a working position and a transport position limited movable, wherein the adjusting mechanism has at least one linear drive.
  • a winch which is preferably provided for lifting loads
  • an adjusting mechanism for the winch the winch is mounted in the mounted state on a crane arm by the adjusting between a working position and a transport position limited movable, wherein the adjusting mechanism has at least one linear drive.
  • the invention relates to a crane arm, in particular for vehicles, with an arrangement of the type to be described as well as a crane with a crane column and with at least one crane arm movably mounted relative to the crane column.
  • An arrangement of the type mentioned is used for example in transport vehicles to move the winch when not in use in a position in which it occupies the most compact position with the other components of a loading crane. In this way, the overall height of the vehicle can be reduced, so as to form as little drag as possible while driving or to maneuver the vehicle - especially within buildings - easier.
  • a limited movable storage of winch between a transport and a working position on a crane arm of a transport vehicle is already known in principle, however, while the adjustment mechanism for moving the winch is relatively complex solved.
  • Object of the present invention is therefore to provide an improved adjustment mechanism for moving the winch between the working and transport position, which can be largely dispensed with complicated construction components.
  • the linear drive is expediently designed as a, preferably hydraulically operable, piston-cylinder unit.
  • the advantages of a hydraulic cylinder are already known, since very high forces can be transmitted by such a hydraulic linear motor, due to the low compressibility of the hydraulic fluid, a very uniform and precise movement is possible.
  • the energy delivered from a hydraulic pressure accumulator or a hydraulic pump is converted into an easily controllable and rectilinear force.
  • at least one double-acting cylinder is preferably used, whereby two active directions of movement are made possible.
  • the piston-cylinder unit now cooperates with a lever mechanism having a toggle lever, whereby elaborate structural components, such as e.g. Gears, racks or the like, can be omitted.
  • the lever mechanism is advantageously designed so that it converts a linear movement of the linear drive, preferably the piston-cylinder unit, in a pivoting movement of the winch.
  • the lever mechanism acts on a bearing part of the winch.
  • the bearing part has at least one pivot axis and at least one rotatable articulation point spaced from this pivot axis, wherein the lever mechanism acts on the rotatable articulation point.
  • the piston-cylinder unit is supported in the assembled state on a crane arm with its piston-remote end of the cylinder on the crane arm. It is also within the scope of the invention, in this case to provide the kinematic reversal solution, namely that the piston end remote from the cylinder is supported on the winch and the free end of the piston rod on the crane arm.
  • the linear drive acts on the knee of the toggle lever.
  • toggle lever has proven to be beneficial, since by a executed by the piston-cylinder unit linear motion on the knee joint, a large force in the direction of the imaginary line connecting the two of Knee joint facing away from the lever ends of the knee lever can be generated. The force is greater, the more the toggle is sheared apart.
  • the adjusting mechanism according to the invention with the toggle lever it is possible to easily move the considerable total weight of the winch with its cable drum and the rope wound thereon between the working and transport position back and forth.
  • the crane arm according to the invention is characterized in that it has an arrangement of the type described.
  • the crane according to the invention has a crane column and at least one crane arm movably mounted relative to the crane column with an arrangement of the type in question.
  • the crane column and the crane arm are integrally formed.
  • Fig. 1a and Fig. 1b schematically show a loading crane 2, which is mounted on a - only hinted - vehicle 1.
  • the loading crane 2 consists essentially of a rotatable about a vertical axis crane column 3, on the other hand about the axis 4 pivoting crane arm 5 and about the axis 6 relative to the crane arm 5 pivotable, telescopically extendable articulated arm 7, the pivoting of the articulated arm 7 relative to the crane arm 5 takes place in principle by the buckling cylinder 8.
  • the design of the loading crane per se or on the design of the various movement possibilities is omitted in the present invention, since these according to the prior Technology in many variants are already known.
  • Fig. 1 a is the winch 9 from the crane arm 5 upwards from. while in Fig. 1b the winch 9 has been pivoted about an axis down, so according to Fig. 1b the top of the winch 9 with the top of the crane arm 5 can be arranged at least approximately coplanar.
  • Fig. 1a preferably marks the working position of the winch 9, while the winch 9 in Fig. 1b the transport position occupies, which has a reduced height of the overall arrangement result. It should be noted in this context, however, that depending on the crane type and structure of the loading crane 2, the folded down position according to Fig. 1b the transport or the working position can be.
  • Fig. 2a and Fig. 2b each show a vertical section through the crane arm 5 according to the Fig. 1a, 1b , So the position of the winch 9 in the working or transport position.
  • Fig. 2a shows the folded down position of the winch 9 with respect to the crane arm 5, the position of the winch 9 according to Fig. 1 b equivalent.
  • the winch 9 has at least one cable drum 12, wherein by rotating the cable drum 12, the rope 11 up or unwound.
  • the winch 9 comprises a bearing part 13 which is pivotable about an axis 14 relative to the crane arm 5.
  • At least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b is provided which pivots the bearing part 13 of the winch 9 via a lever mechanism 16.
  • the lever mechanism 16 comprises a toggle lever with two one-armed levers 16a and 16b, wherein in the embodiment shown, the free end of the piston rod 15b of the piston-cylinder unit 15a, 15b acts directly on the knee K of the articulated connection between the two levers 16a, 16b.
  • the remote from the knee K ends of the two levers 16a and 16b engage on the one hand at a further rotatable pivot point 14a of the bearing part 13 and on the other hand on another - crane arm-side pivot point 14b.
  • FIG. 2a is the piston rod 15b relative to the cylinder 15a in an extended state.
  • the piston rod 15b in the cylinder 15a of the bearing part 13 on the Toggle kinematics easily pivotable about its axis 14 until the in Fig. 2b shown position of the winch, 9 is reached.
  • Fig. 2b shown representation thus corresponds to the folded position of the winch 9 according to Fig. 1a which, as already mentioned, may be either the working or the transport position, depending on the design of the crane type.
  • Fig. 3 shows a side view of a transport vehicle 1 with mounted thereon loading crane 2.
  • the loading crane 2 includes, for example, a rotatable crane column 3, on which a crane arm 5 is arranged with the winch 9, which is movable by an adjusting device 10 either in a transport or working position.
  • an adjusting mechanism 10 which has at least one linear drive 15 in the form of a piston-cylinder unit 15a, 15b and a lever mechanism 16 in the form of the two toggle 16a 16b.
  • the arranged on the bearing part 13 winch 9 with its cable drum 12 is pivotally mounted about the axis 14.
  • the piston-cylinder unit 15a, 15b acts directly on a knee K of the toggle lever.
  • the bearing member 13 has a spaced from the axis 14 rotatable pivot point 14a, on which the lever 16b engages.
  • the other lever 16a is pivotally connected to an articulation point 14b assigned to the crane arm 5.
  • Fig. 4b shows the pivoted position of the winch 9, wherein the piston rod 15b is shown in relation to the cylinder 15a in the extended position.
  • the lever mechanism with the two levers 18a, 16b convert a linear movement of the piston rod 15b into a pivotal movement of the winch 9 mounted on the bearing part 13, wherein the pivoting angle is favorably between 0 ° and 180 °, preferably between 0 ° and approximately 90 °.
  • the subject invention is not limited to the embodiment shown, but includes and extends to all variants and technical equivalents, which may fall within the scope of the following claims.
  • position information selected in the description such as top, bottom, side, etc., related to the immediately described and illustrated figure and are mutatis mutandis transferred to the new location in a change in position.
  • winch between the limited Movement between the transport position and the working position performs a linear movement or a combination of a linear and a pivoting movement.

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

Abstract

Agencement comprenant un treuil à câble (9) destiné, de préférence, à soulever des charges, et un mécanisme de réglage (10) pour le treuil à câble (9). A l'état monté, le treuil à câble (9) est monté sur un bras de grue (5) de manière mobile, dans certaines limites, entre une position de travail et une position de transport grâce au mécanisme de réglage (10). Le mécanisme de réglage (10) présente au moins un mécanisme d'entraînement linéaire (15) qui coopère avec un mécanisme de levage (16) pour régler le treuil à câble (9).

Claims (10)

  1. Agencement comprenant un treuil à câble (9), qui est prévu de préférence pour le soulèvement de charges, et un mécanisme de réglage (10) pour le treuil à câble (9), le treuil à câble (9) étant fixé, lorsqu'il est monté sur un bras de grue (5), de façon à pouvoir être déplacé de façon limitée par le mécanisme de réglage (10) entre une position de travail et une position de transport, le mécanisme de réglage (10) présentant au moins un entraînement linéaire (15), caractérisé en ce que l'entraînement linéaire (15) coopère avec un mécanisme à levier (16) pour le réglage du treuil à câble (9), le mécanisme à levier (16) présentant au moins un levier à genouillère (16a, 16b).
  2. Agencement selon la revendication 1, caractérisé en ce que le mécanisme à levier (16) est conçu de telle sorte qu'il transforme un mouvement linéaire de l'entraînement linéaire (15) dans un mouvement de pivotement du treuil à câble (9).
  3. Agencement selon la revendication 1 ou 2, caractérisé en ce que le mécanisme à levier (16) s'applique sur une partie palier (13) du treuil à câble (9).
  4. Agencement selon la revendication 3, caractérisé en ce que la partie palier (13) présente au moins un axe de pivotement (14) et au moins un point d'articulation (14a) rotatif et espacé de l'axe de basculement (14), le mécanisme à levier (16) s'appliquant sur le point d'articulation (14a) rotatif.
  5. Agencement selon l'une des revendications 1 à 4, caractérisé en ce que l'entraînement linéaire (15) s'applique sur le coude (K) du levier à genouillère (16a, 16b).
  6. Agencement selon l'une des revendications 1 à 5, caractérisé en ce que le treuil à câble (9) est fixé de façon pivotante sur le bras de grue (5) - de préférence autour d'un axe (14) sensiblement parallèle à la direction axiale du bras de grue (5).
  7. Agencement selon l'une des revendications 1 à 6, caractérisé en ce que l'entraînement linéaire (15) est conçu sous forme d'unité piston-cylindre (15a, 15b), pouvant être utilisée de préférence de façon hydraulique.
  8. Agencement selon l'une des revendications 1 à 7, caractérisé en ce que le treuil à câble (9) présente au moins un tambour de câble (12), sur lequel un câble (11) peut être enroulé pour le levé de la charge.
  9. Bras de grue, en particulier pour des véhicules, caractérisé en ce que le bras de grue (5) présente un agencement selon l'une des revendications 1 à 8.
  10. Grue comprenant une colonne de grue et au moins un bras de grue selon la revendication 9 monté de façon mobile par rapport à la colonne de grue.
EP08733238A 2007-05-03 2008-04-14 Mécanisme de réglage pourvu d'un treuil à câble Active EP2139804B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08733238T PL2139804T3 (pl) 2007-05-03 2008-04-14 Mechanizm nastawczy do wciągarki linowej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0027307U AT10273U1 (de) 2007-05-03 2007-05-03 Verstellmechanismus für eine seilwinde
PCT/AT2008/000135 WO2008134783A1 (fr) 2007-05-03 2008-04-14 Mécanisme de réglage pourvu d'un treuil à câble

Publications (2)

Publication Number Publication Date
EP2139804A1 EP2139804A1 (fr) 2010-01-06
EP2139804B1 true EP2139804B1 (fr) 2011-12-14

Family

ID=39830319

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08733238A Active EP2139804B1 (fr) 2007-05-03 2008-04-14 Mécanisme de réglage pourvu d'un treuil à câble

Country Status (14)

Country Link
US (1) US8113363B2 (fr)
EP (1) EP2139804B1 (fr)
JP (1) JP2010526001A (fr)
KR (1) KR20100015920A (fr)
CN (1) CN101674998B (fr)
AT (2) AT10273U1 (fr)
AU (1) AU2008247290B2 (fr)
BR (1) BRPI0811075B1 (fr)
CA (1) CA2685881C (fr)
DK (1) DK2139804T3 (fr)
ES (1) ES2379301T3 (fr)
MX (1) MX2009011825A (fr)
PL (1) PL2139804T3 (fr)
WO (1) WO2008134783A1 (fr)

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AT12086U1 (de) * 2010-06-17 2011-10-15 Palfinger Ag Fahrzeugkran
CN102465833B (zh) * 2010-11-18 2014-04-02 三一电气有限责任公司 一种风力发电设备及其偏航驱动机构
US9004842B2 (en) 2011-10-10 2015-04-14 Wastequip, Llc Hoist apparatus
FR2981300B1 (fr) * 2011-10-13 2013-12-20 Aztec Bati retractable pour vehicule d'entretien de pistes skiables
PL3153396T3 (pl) 2012-06-06 2019-07-31 Seaonics As Ramię główne i ramię przegubowe żurawi
EP2947038B1 (fr) * 2014-05-23 2017-07-12 EPSILON Kran GmbH. Grue
DE102014012493A1 (de) * 2014-08-27 2016-03-03 Schwing Gmbh Knickmast
KR101520777B1 (ko) * 2014-10-29 2015-05-15 이텍티디에이 주식회사 컬럼의 강성이 보강된 트럭크레인
US10137819B2 (en) * 2015-02-16 2018-11-27 Wastequip, Llc Hoist assembly
NO20151532A1 (en) * 2015-11-10 2017-05-11 Macgregor Norway As Knuckle-boom crane
DE202016005419U1 (de) * 2016-09-05 2016-10-04 Liebherr-Werk Ehingen Gmbh Kran und Gegengewicht für einen Kran
KR102438506B1 (ko) * 2021-12-20 2022-08-31 (주)페스코 유압식 윈치에서 윈치 레버의 회전각도 제어장치 및 방법
EP4324781A1 (fr) * 2022-08-15 2024-02-21 Erkin Ismakinalari Insaat Sanayi Ithalat Ihracat Ticaret Pazarlama Limited Sirketi Système de coulissement de treuil de levage

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Also Published As

Publication number Publication date
JP2010526001A (ja) 2010-07-29
BRPI0811075B1 (pt) 2019-07-09
PL2139804T3 (pl) 2012-05-31
MX2009011825A (es) 2009-11-18
AU2008247290B2 (en) 2013-07-25
BRPI0811075A2 (pt) 2014-12-09
CA2685881A1 (fr) 2008-11-13
AT10273U1 (de) 2008-12-15
ES2379301T3 (es) 2012-04-24
US8113363B2 (en) 2012-02-14
US20100078403A1 (en) 2010-04-01
ATE537103T1 (de) 2011-12-15
CN101674998B (zh) 2012-09-05
KR20100015920A (ko) 2010-02-12
AU2008247290A1 (en) 2008-11-13
EP2139804A1 (fr) 2010-01-06
DK2139804T3 (da) 2012-03-26
CA2685881C (fr) 2012-08-07
CN101674998A (zh) 2010-03-17
WO2008134783A1 (fr) 2008-11-13

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