EP2297020B1 - Grue automotrice avec guidage de flexible - Google Patents

Grue automotrice avec guidage de flexible Download PDF

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Publication number
EP2297020B1
EP2297020B1 EP09775558A EP09775558A EP2297020B1 EP 2297020 B1 EP2297020 B1 EP 2297020B1 EP 09775558 A EP09775558 A EP 09775558A EP 09775558 A EP09775558 A EP 09775558A EP 2297020 B1 EP2297020 B1 EP 2297020B1
Authority
EP
European Patent Office
Prior art keywords
crane
flexurally elastic
hose
arm
elastic sheet
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
EP09775558A
Other languages
German (de)
English (en)
Other versions
EP2297020A1 (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 PL09775558T priority Critical patent/PL2297020T3/pl
Publication of EP2297020A1 publication Critical patent/EP2297020A1/fr
Application granted granted Critical
Publication of EP2297020B1 publication Critical patent/EP2297020B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection therefor
    • 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
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B66C13/14—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices to load-engaging elements or motors associated therewith
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/6918—With hose storage or retrieval means
    • Y10T137/6921—With means for plural hoses
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7043—Guards and shields
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/8807—Articulated or swinging flow conduit
    • 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
    • Y10T74/21—Elements
    • Y10T74/219—Guards
    • 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
    • Y10T74/21—Elements
    • Y10T74/219—Guards
    • Y10T74/2191—Guards for rotary member
    • 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
    • Y10T74/21—Elements
    • Y10T74/2193—Guard mechanisms

Definitions

  • the present invention relates to a vehicle crane with at least two crane arms, which are connected to each other via an angle adjustable angle and with at least one extending between the crane arms hose, which is exposed in at least one angular position of the crane arms in the region of the joint.
  • Such a vehicle crane goes from the EP 1 580 159 B1 out.
  • vehicle cranes have at least a first crane arm in the form of a crane column and a second crane arm in the form of a lifting arm.
  • the crane column is normally mounted on a support frame which is attached to the vehicle chassis. Relative to the support frame, the crane column is rotatably mounted about a vertical axis.
  • the lift arm is mounted on the joint connecting the two crane arms angularly adjustable about a horizontal axis.
  • the vast majority of cranes however, also have a further crane arm, which is angularly mounted via a joint on the lift arm (and about a horizontal axis) and is usually referred to as articulated.
  • a boom may be mounted, which may have a variety of boom extensions.
  • the angular adjustment of the at least two crane arms is usually via hydraulically operated piston-cylinder mechanisms, the hydraulic system has a plurality of hoses, which must be performed by the vehicle crane.
  • the possible different types of guidance of the hoses is described in paragraph 2 of the EP 1 580 159 B1 exactly described and therefore need not be repeated at this point.
  • US Pat EP 1 580 159 B1 an approximately U-shaped tube guide, which is arranged in the region of the joint and can be adapted via its own hydraulic adjusting mechanism to a changed angular position of the arms connected via the joint.
  • a hose guide assembly which consists of a flexible material which is clamped between two pins, wherein each one of the pins is arranged on one of the two crane arms. If the angular position of the two crane arms changes with respect to one another, then the flexible hose guide arrangement is stretched or compressed in order to take account of the changed distance between the two pins relative to each other.
  • US3885816A describes an arrangement of an articulated arm and a hose which extends in an angular position exposed in the region of the articulated joint, wherein a flexurally elastic plate is provided which is connected to a hose or covering it in the exposed area and which is bendable by changing the angular position of the articulated arm ,
  • the object of the invention is to provide a generic vehicle crane, in which pinching of the at least one tube is avoided by an angular adjustment of the two crane arms to each other, with the institution causing this should be characterized by a particularly simple design and a small footprint.
  • At least one flexurally elastic plate has the advantage that it does not require any separate clamping devices due to its inherent rigidity causing the bending elasticity. There is also no separate adjustment mechanism for compensating for a change in the angular position of the two crane arms to one another necessary, since the at least one plate bends due to its bending elasticity in a change in the angular position of the two crane arms and thus adapts itself.
  • the invention is usable for a wide range of movement of the crane arms.
  • the at least two crane arms which are connected via an articulated angle adjustable with each other, on the one hand, the crane column and the lifting arm and on the other hand, the lifting arm and the articulated arm.
  • the invention is used to secure the transition of the hoses from the lifting arm to the articulated arm.
  • the connecting fork on the lift arm is outside and the sleeve is located in the articulated arm.
  • the bushings are articulated in the lift arm and the fork is located on the articulated arm outside.
  • exactly one flexurally elastic plate can be provided which, for example, in the form of a spring steel sheet (preferably an approximately 0.4 mm thick coated stainless steel spring steel sheet ) is executed.
  • the plate can be fastened under the hose clamps of the lifting arm and over the hose clamps of the articulated arm.
  • a clamp for the at least one hose can be arranged, through which the at least one hose can slide.
  • the clamp may for example be formed of plastic and attached to the plate.
  • two flexurally elastic plates can be provided, wherein the at least one tube extends between the plates.
  • the two plates can for example consist of approximately 2mm thick polyethylene plates.
  • the two plates can be attached above and below the hose clamps on the articulated arm.
  • One of the two plates (preferably closer to the fulcrum) has holes in the middle and rear areas.
  • the other (fulcrum removed) plate is made slightly longer and has in this area slots, whereby the different bending radii can be compensated.
  • the two plates can be clamped together by means of fastening means (for example bolts) and spacers (preferably in the form of strips), for example plastic strips made of PA6Mu, via these bores.
  • fastening means for example bolts
  • spacers preferably in the form of strips
  • plastic strips made of PA6Mu
  • the fastening means are made short in the middle, in order to stretch the at least one hose (in practice, the hose package) well.
  • the fastening means of the rear row can be made slightly longer in order to ensure the unthreading of the at least one hose in the replacement part case. If the at least one hose needs to be changed, the Seeger rings of the middle accessible spacers can be opened. This allows the pulling of the at least one hose and fitting through the rear spacer.
  • the two flexurally elastic plates can cling tightly in the transport position of the vehicle crane over the at least one hose.
  • the at least one hose (or the hose package) during crane operation (ie outside the transport position) in the lift arm pressed, thereby reliably pinching the at least one tube between the lift arm and articulated arm is avoided.
  • the at least one tube is additionally protected against external influences, such as UV irradiation, road salt during transport and the like.
  • the flexurally elastic plate (s) can (at) bend over the at least one tube, which thereby does not between the lifting arm and the articulated arm can be trapped.
  • the use of the invention is not limited to hydraulic hoses.
  • the invention also for the protection of hoses in which electrical lines run.
  • the contour of the plate and the contour of the at least one tube in all angular positions of the crane arms match.
  • the Fig. 1 a shows a perspective view of various parts of a vehicle crane 1 with only partially drawn crane column 2, a lifting arm 3 and an articulated arm 4.
  • the crane column 2 is fixed to a (not shown) plate, which arranged on a (not shown on a vehicle ) Support frame can be stored so that the crane column 2 is rotatably mounted about a vertical axis.
  • a vertical axis With regard to the terms “horizontal” and “horizontal” it is assumed that the vehicle chassis runs horizontally.
  • the crane column 2 can be rotated about a vertical axis.
  • the lifting arm 3 is rotatable relative to the crane column 2 about a horizontal axis.
  • the articulated arm 4 is rotatably mounted on the lifting arm 3 about a horizontal axis.
  • a possibly arranged in articulated arm 4 boom possibly with boom extensions.
  • the hydraulic hoses are exposed in the region of the arranged between the lifting arm 3 and articulated arm 4 joint. According to the embodiment of the invention shown, it is therefore provided that a hose package 5 is formed using a flexurally elastic plate 6.
  • Fig. 2a to 2c show different views Fig. 1a , with particular attention was paid to the representation of the hose package 5.
  • the flexurally elastic plate 6 is fixed with its one end on the lifting arm 3 and with its other end on the articulated arm 4. Approximately in the middle of the flexurally elastic plate 6 (at the highest point of the maximum bending radius with overstretched articulated arm 4), a clamp 7 is attached to the flexurally elastic plate 6 via fastening means 8. The hydraulic hoses can slide through this clamp 7, whereby the compensation of the different bending radii between the hydraulic hoses and the flexurally elastic plate 6 is ensured depending on the angular position of the crane arms 3, 4.
  • the Fig. 3 shows a sectional view in the region of the joint, wherein the crane arms 3, 4 are arranged in the transport position of the vehicle crane 1.
  • the Fig. 4a shows a perspective view according to the Fig. 1a for the second system of attachment of the articulated arm 4 on the lifting arm 3.
  • the vehicle crane 1 is thus shown again in a working position.
  • the Fig. 4b and 4c show the corresponding position of the crane arms 3, 4 in the transport position of the vehicle crane 1.
  • the Fig. 4d shows again a closer view Fig. 4a , wherein it can be seen that the entire hose assembly 5 is pressed at least partially into the lifting arm 3 in the working position.
  • the hose package 5 is more accurate in the Fig. 5a and 5b shown.
  • Fig. 5a shows that in the present case, two flexurally elastic plates 6 were used, which are connected to each other via fastening means 8.
  • the illustrated slots 9 are used to compensate for the different bending radii. This function of the slots 9 comes particularly well in a comparison of Fig. 5a and 5b to the fore.
  • Fig. 6a to 6c show according to the Fig. 3 Sectional views in the region of the joint for different working positions of the crane arms 3, 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (8)

  1. Grue automotrice comportant au moins deux bras de grue, qui sont reliés entre eux par l'intermédiaire d'une articulation de manière à pouvoir ajuster l'angle, et au moins un flexible s'étendant entre les bras de grue, lequel flexible s'étend de manière exposée dans la zone de l'articulation dans au moins une position angulaire des bras de grue, caractérisée en ce qu'au moins une plaque (6) flexible et élastique est prévue, laquelle est reliée au flexible au moins au nombre de un ou le recouvre au moins dans une zone exposée et qui peut être cintrée grâce à une modification de la position angulaire des deux bras de grue (3, 4) ou plus, et en ce que la plaque (6) flexible et élastique au moins au nombre de une peut être déplacée dans un des bras de grue (3) de manière à y entrer ou à en sortir grâce à une modification de la position angulaire des bras de grue (3, 4).
  2. Grue automotrice selon la revendication 1, caractérisée en ce que précisément une plaque (6) flexible et élastique est prévue.
  3. Grue automotrice selon la revendication 1, caractérisée en ce que deux plaques (6) flexibles et élastiques sont prévues, sachant que le flexible au moins au nombre de un s'étend entre les plaques (6).
  4. Grue automotrice selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'au moins une bride de fixation (7) pour le flexible au moins au nombre de un est disposée sur la plaque (6) flexible et élastique au moins au nombre de une.
  5. Grue automotrice selon l'une quelconque des revendications 3 ou 4, caractérisée en ce que les deux plaques (6) flexibles et élastiques présentent dans leur zone médiane un écartement les unes par rapport aux autres plus petit que dans l'une de leurs deux zones d'extrémité.
  6. Grue automotrice selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la plaque (6) flexible et élastique au moins au nombre de une est réalisée sur toute la surface.
  7. Grue automotrice selon l'une quelconque des revendications 1 à 6, caractérisée en ce que la plaque (6) flexible et élastique au moins au nombre de une est constituée de métal, de préférence d'une tôle en acier à ressorts, ou de matière plastique, de préférence de polyéthylène.
  8. Grue automotrice selon l'une quelconque des revendications 1 à 7, caractérisée en ce que l'épaisseur de la plaque (6) flexible et élastique au moins au nombre de une est comprise entre 0,3 et 3 mm, et est de préférence égale à environ 0,4 mm ou est égale à environ 2 mm.
EP09775558A 2008-07-11 2009-07-09 Grue automotrice avec guidage de flexible Active EP2297020B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09775558T PL2297020T3 (pl) 2008-07-11 2009-07-09 Żuraw przejezdny z prowadzaniem przewodów giętkich

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT10892008 2008-07-11
PCT/AT2009/000269 WO2010003164A1 (fr) 2008-07-11 2009-07-09 Grue automotrice avec guidage de flexible

Publications (2)

Publication Number Publication Date
EP2297020A1 EP2297020A1 (fr) 2011-03-23
EP2297020B1 true EP2297020B1 (fr) 2012-09-19

Family

ID=41131657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775558A Active EP2297020B1 (fr) 2008-07-11 2009-07-09 Grue automotrice avec guidage de flexible

Country Status (8)

Country Link
US (1) US8505570B2 (fr)
EP (1) EP2297020B1 (fr)
CN (1) CN102089234B (fr)
AT (1) AT11198U1 (fr)
DK (1) DK2297020T3 (fr)
ES (1) ES2395785T3 (fr)
PL (1) PL2297020T3 (fr)
WO (1) WO2010003164A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9879802B2 (en) * 2008-08-06 2018-01-30 Thomas James Getts Hose and cable management system
JP5403013B2 (ja) * 2011-08-24 2014-01-29 コベルコ建機株式会社 作業機械における配管取付け構造
CA2792388C (fr) 2011-10-10 2020-01-14 Wastequip, Llc Dispositif de levage
WO2013081212A1 (fr) * 2011-11-30 2013-06-06 볼보 컨스트럭션 이큅먼트 에이비 Appareil de fixation de conduite hydraulique pour excavatrices du type à flèche oscillante
US8944717B2 (en) * 2012-12-04 2015-02-03 Deere & Company Integrated pivot pin lubricator
CN103061368B (zh) * 2012-12-28 2015-01-14 三一重工股份有限公司 柔性管导向装置及桩工机械
EP3006629A4 (fr) * 2013-05-30 2017-01-11 Volvo Construction Equipment AB Dispositif de fixation de tuyau pour engin de chantier
JP5803985B2 (ja) * 2013-06-14 2015-11-04 コベルコ建機株式会社 建設機械の配索構造
EP2918771B1 (fr) 2014-03-12 2017-08-02 Sandvik Mining and Construction Oy Dispositif de libération de tuyau, unité de forage de roches et procédé de gestion de tuyaux
EP2947037B1 (fr) * 2014-05-23 2018-05-02 EPSILON Kran GmbH. Grue
US10362738B2 (en) * 2015-09-10 2019-07-30 Komatsu Ltd. Work vehicle
US9706707B2 (en) * 2015-09-24 2017-07-18 Macdon Industries Ltd. Crop harvesting machine with a header separable from a tractor
SE541658C2 (sv) * 2016-06-16 2019-11-19 Komatsu Forest Ab Anordning för slangföring vid ett kranburet arbetsredskap

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Also Published As

Publication number Publication date
US8505570B2 (en) 2013-08-13
PL2297020T3 (pl) 2013-02-28
DK2297020T3 (da) 2012-12-10
US20110132862A1 (en) 2011-06-09
CN102089234B (zh) 2013-12-04
WO2010003164A1 (fr) 2010-01-14
EP2297020A1 (fr) 2011-03-23
CN102089234A (zh) 2011-06-08
ES2395785T3 (es) 2013-02-15
AT11198U1 (de) 2010-06-15

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