EP1449806A1 - Flèche pour un véhicule chargeur - Google Patents

Flèche pour un véhicule chargeur Download PDF

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Publication number
EP1449806A1
EP1449806A1 EP04100624A EP04100624A EP1449806A1 EP 1449806 A1 EP1449806 A1 EP 1449806A1 EP 04100624 A EP04100624 A EP 04100624A EP 04100624 A EP04100624 A EP 04100624A EP 1449806 A1 EP1449806 A1 EP 1449806A1
Authority
EP
European Patent Office
Prior art keywords
carrier
boom
front piece
flange
loader
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.)
Granted
Application number
EP04100624A
Other languages
German (de)
English (en)
Other versions
EP1449806B1 (fr
Inventor
Herbert Gelb
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP1449806A1 publication Critical patent/EP1449806A1/fr
Application granted granted Critical
Publication of EP1449806B1 publication Critical patent/EP1449806B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
    • E02F3/3402—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines the arms being telescopic
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like

Definitions

  • the invention relates to a boom for a loader vehicle, preferably a telehandler.
  • a boom for loader vehicles, in particular for telescopic loaders are available in different versions on the market.
  • a boom includes a beam assembly that consists of a outer carrier and one or more inner carriers, the inner carrier or carriers inside the outer Carrier stored or guided telescopically.
  • Over a Actuator can telescope the individual parts extended or retracted.
  • One end of the boom is usually rotatably or pivotally attached to the vehicle, which other end of the boom contains a front piece, which a Tool, for example a transport fork or a gripper receives.
  • a further hydraulic device can be used Boom raised to perform loader work or be lowered.
  • EP 623 092 B1 describes a load handling device discloses a plurality of telescopically mounted sections Containing telescopic boom, the sections Represent carriers that have a hydraulic system and a Chain drive can be extended or retracted.
  • the most extreme extendable (innermost) section has Front piece for receiving a charger fork, the Front piece fixed and inseparable with the most extendable one Section is connected.
  • US 3,985,248 discloses a telescopic boom assembly which an outer attached to a frame of a loader vehicle Has carrier, inside of which an inner carrier is telescopically mounted and relative to the outer carrier is movable. At one end of the inner beam is one Loader attached hydraulically alignable, the Fastening device for the charger fork as part of the interior Carrier is formed or inseparable from the inner carrier connected is.
  • the combined design makes it difficult to manufacture bearings and / or Connection points on the carrier as well as the installation of hydraulic and mechanical components.
  • the handling, the transport, the Paintwork and the final assembly of the carrier difficult, which production costs increase.
  • an unchangeable maximum working height predefined for the boom and a variable design of the Cantilever in function and work area not possible.
  • the object underlying the invention is seen in a boom for a loader vehicle of the type mentioned indicate by which the aforementioned problems have been overcome become.
  • the boom should be designed such that both manufacturing steps, handling, transportation and Final assembly can be simplified.
  • the boom in length beyond its specified work area can be changed or opened or closed inexpensively with simple means be disarmable so that a user can adjust the boom accordingly can adapt to his needs variably.
  • a boom of the type mentioned a support assembly which is pivotable at one end to a
  • the frame of the loader vehicle is attached and at its free Contains a mounting flange at the end.
  • the boom is a front piece containing a counter flange, the counter flange to the first mounting flange can be fastened and the front piece for holding a tool serves.
  • the boom thus represents a multi-part or modular Design in which the front piece has a flange connection is connected to the carrier arrangement, which is opposite one combined one-piece carrier front piece component into smaller ones Single components leads and both carrier arrangement as well Front piece can be manufactured and transported independently of one another, are manageable and can be assembled. This allows the entire Production of the boom improved as well as cheaper and be made more variable.
  • the independent one Allow manufacture of the carrier assembly and the front piece greater flexibility in manufacturing where Finishing and in the construction of the components. So can for example also different front pieces are manufactured, each in function and training are a special tool and none Represent compromise solution. Furthermore, they are versatile Manufacturing methods possible, such. B. also the use and / or the combination of welded, cast or even forged components. The entire product range one Boom or a loader vehicle can be designed in many ways so that differently trained Beam arrangements with different cross sections and Working lengths without significantly increased production costs can be offered.
  • the carrier assembly includes a first carrier, one of which End is the first end and the second end is the Front piece is attachable.
  • This embodiment of the Carrier arrangement represents an inexpensive basic version of a Telescopic loader that is equivalent to a simple wheel loader.
  • the advantage over a conventional wheel loader is however, in that on the one hand different front pieces and on the other other differently designed carrier arrangements with different cross sections and working lengths without significantly increased production costs can be offered.
  • the carrier assembly includes a first and at least one second carrier, the at least second carrier in the first carrier is guided telescopically and the front piece the free end of the at least second carrier can be fastened.
  • the second carrier which is telescopic in the first Carrier is guided is a variable working length of the Given boom, the boom on the basic version with builds only one carrier.
  • the free end of the second beam is provided with a mounting flange to which the Front piece is attached.
  • This embodiment of the invention represents a telehandler, which also all mentioned Has advantages of the basic version.
  • is by the telescopic arrangement of the two carriers is variable Working length realizable, as it is for a telehandler is common.
  • the advantage is offered that to dismantle the telehandler by simple conversion, for example to save weight or increase transport or to achieve loading loads.
  • the carrier assembly includes at least one Extension beam with a second at one end Counter flange and a second at its other end Includes mounting flange and between the support assembly and Front piece is attachable, the front piece on the second mounting flange is attachable.
  • This modular Structure of the boom opens up to the user in addition to the Advantages described above further advantageous Possibilities of adaptation to the work requirements for the Loader vehicle or for the boom. So both telescopic beam assembly of a telehandler as well the carrier arrangement of the basic version or the carrier arrangement of a simple wheel loader in their working length can be varied. Enough for certain applications existing boom working height, so it can be extended by such an extension beam.
  • the extension beam is between the front piece and Carrier arrangement set.
  • the extension beam points the corresponding flange dimensions of the mounting flange and of the counter flange, which also supports or the front piece of the boom. This is of particular importance modular structure if, for example, a simple one Wheel loader is in place and only a slight extension to it Adaptation to the required working height is missing.
  • a Extension beam with which the carrier arrangement extends can be used by a user on his already existing one Access wheel loaders and this in a relatively simple way and upgrade inexpensively. So that for the user complex investments can be avoided.
  • existing telescopic loaders that are one Extension beams can be expanded or upgraded.
  • the extension beams can be of several sizes or Lengths are available, so several Expansion options are available.
  • a particularly preferred embodiment of the invention provides proposes that the front piece contains at least one casting.
  • the front piece can also essentially be completely formed as a cast part. Training the Front piece or parts thereof as a cast part enables one flexible design and thus an application-specific adaptation to the tool. In particular, for larger quantities shorter production times compared to a welded construction achieved and operated a lower cost.
  • By appropriate material selection and casting design e.g. B. Reinforcing ribs or cast struts can strength values similar to those of welded steel structures.
  • Castings processing steps for fits, Pin bearings, brackets and mounting points saved become.
  • the carriers contained in the carrier arrangement as round, Box or polygonal profile. It is about to support profiles that are essentially closed Have a mantle surface and a high one because of their training Have moment of inertia. Such support profiles or Steel profiles can be welded or drawn or shaped hollow profiles that are in different Cross-sectional sizes can be produced so that they are telescopic are feasible.
  • flanges contained in the boom radially outwards and / or towards the longitudinal axis of the carrier Inside.
  • a flange extending radially inwards can at the same time as a storage point for the telescopic guided carrier serve.
  • the flanges extend radially outwards, which gives easy access to the flange connection is.
  • this arrangement offers a smaller one Cross section of the girder profile, since the girder is then narrower can be led into each other.
  • With radially outwards directed flanges can also be a uniform cross-sectional size of the flange connection achieved without being restricted constructively.
  • the flanges contained in the boom are vertical or arranged inclined to the longitudinal axis of the beam.
  • the Flange connection not perpendicular to the longitudinal axis of the beams to arrange.
  • the invention provides that the different flange connections independently of one another Partitions perpendicular or inclined to the longitudinal axis of the beam exhibit.
  • the different flanges are screwed together joined.
  • the flanges are also on their circumference distributed holes provided both with and without Thread can be formed. According to the holes with or without thread both threaded screws with and / or without a nut. Furthermore are other screw connections by equivalent Grub screws or bolts possible. Furthermore, the Flanges attached snap fasteners or cuffs conceivable which hold the flanges together and a quick one Allow assembly or disassembly.
  • a telescopic loader 10 which includes a boom 14 pivotally hinged to a frame 12.
  • the boom 14 includes a support assembly 16 to which a front piece 18 for receiving a tool (not shown) is attached.
  • the carrier arrangement 16 contains a hollow carrier 20, preferably a box profile carrier having a rectangular profile, to the upper end of which a fastening flange 22 is welded and the lower end of which is pivotably articulated to the telescopic loader 10.
  • the embodiment shown in FIGS. 1 and 2 is a telescopic loader 10 with a carrier arrangement 16 which contains only one carrier 20 and is therefore not telescopic.
  • the telescopic loader 10 represents a wheel loader or the basic version of a telescopic loader 10.
  • the front piece 18 contains a counter flange 24, which is designed in accordance with the fastening flange 22 and with this represents a flange connection 26, as shown in FIG.
  • the flange connection 26 is produced by threaded bolts (not shown) which are guided through through bores 28 in the mounting flange 22 and are screwed into corresponding threaded bores 30 in the counter flange 24.
  • both the upper and lower bores and the lateral bores 28, 30 can vary in number and position.
  • the flanges 22, 24 are oriented perpendicularly and radially outward with respect to the longitudinal axis T L of the carrier.
  • Other embodiments, such as. B. radially inwardly oriented and / or obliquely arranged with respect to the longitudinal axis T L flanges 22, 24 are also possible.
  • the front piece 18 is preferably, as in FIG. 2 is shown as a casting, the Counter flange 24 is part of the front piece 18.
  • the counter flange 24 can also by means of a welded connection to the cast front piece 18 are firmly connected.
  • the front piece 18 also be designed as a welded construction.
  • the in Figure 2 Cast construction of the front piece 18 shown Bores 32, 34 on which the tool and Hydraulic devices (both not shown) can be attached are.
  • the side walls 36 of the front piece 18 are with Reinforcing ribs 38 which provide the rigidity of the Increase front piece 18.
  • There is also 40 on the front of the front piece 18 is formed a recess 42 which for Weight reduction of the front piece 18 is used.
  • FIGs 3 and 4 show a second embodiment of the Invention with a telescopic loader 10 one over the first embodiment of Figure 1 and Figure 2 changed or expanded or upgraded configuration of the boom 14 having.
  • the boom 14 includes a second bracket 44 which telescopically guided or stored in the first carrier 20 and via a hydraulic device (not shown) or retractable.
  • the mounting flange 22 for that Front piece 18 is fixed and inseparable from the second Carrier 44 connected, preferably welded.
  • the front piece 18 with the counter flange 24 in the same way on the fastening flange 22 flanged.
  • the design of the front piece 18 is included the same as the first, shown in Figures 1 and 2 Embodiment.
  • FIG. 5 and FIG. 6 A third exemplary embodiment is shown in FIG. 5 and FIG. 6 shown.
  • This embodiment essentially corresponds the second embodiment of Figure 3 and Figure 4, with the difference that on the first carrier 20 the Carrier arrangement 16 of the boom 14, another Mounting flange 22 'attached, as is the first Embodiment in Figure 1 and Figure 2 shows.
  • the Disassemble telescopic loader 10 The modular design enables here, to dismantle the front piece 18, the second carrier 44 remove and on the further mounting flange 22 ' To install front piece 18 again.
  • the Telescopic loaders can be upgraded again. Training the Front piece 18 is the same as in the first, in the Figures 1 and 2 illustrated embodiment.
  • Mounting flange 22 ' is during normal operation of the Telescopic loader 10 installed and attached so that the second carrier 44 can be retracted or extended unhindered.
  • extended versions can also be used Mounting flanges 22 'included at the end of each Expansion carriers are installed and a retrofitting or upgrading Ease disarming.
  • FIGS. 7 and 8 A fourth training example is shown in FIGS. 7 and 8.
  • the boom 14 includes one between the Carrier assembly 16 and the front piece 18 used Extension beam 46.
  • the extension beam 46 contains another counter flange 48 and another Mounting flange 50, which are formed in the same way like the corresponding flanges from the first to the third Example.
  • Figure 8 form the Mounting flange 22 of the carrier 20 with the other Counter flange 48 of the extension bracket 46 a Flange connection 52 and the further mounting flange 50 of the Extension beam 46 with the counter flange 30 of the front piece 18 a flange connection 54, the flange connections 52, 54 are manufactured in the same way as that Flange connection 26 in Figures 1 to 6.
  • the Extension beam 46 is the modular design of the boom 14 advantageously added.
  • the front piece 18 is the same as for the first one in FIGS. 1 and 2 illustrated embodiment.
  • the carrier arrangement can be extended by the extension beam 46, as in Figure 7 and 8 is shown.
  • the front piece 18 from Carrier 20 released and the extension carrier 46 to the carrier 20 flanged.
  • the front piece 18 to the Extension beam 46 flanged.
  • the working height of the Boom 14 can be increased in this way.
  • Extension bracket 46 is also for the boom shown in the second and third embodiment possible.
  • the extension beam becomes 46 between the second bracket 44 and the front piece 18th used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP04100624A 2003-02-21 2004-02-17 Flèche pour un véhicule chargeur Expired - Fee Related EP1449806B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10307689A DE10307689A1 (de) 2003-02-21 2003-02-21 Ausleger
DE10307689 2003-02-21

Publications (2)

Publication Number Publication Date
EP1449806A1 true EP1449806A1 (fr) 2004-08-25
EP1449806B1 EP1449806B1 (fr) 2007-10-03

Family

ID=32731111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04100624A Expired - Fee Related EP1449806B1 (fr) 2003-02-21 2004-02-17 Flèche pour un véhicule chargeur

Country Status (5)

Country Link
US (1) US7223061B2 (fr)
EP (1) EP1449806B1 (fr)
CA (1) CA2457972A1 (fr)
DE (2) DE10307689A1 (fr)
ES (1) ES2291815T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2881357A1 (fr) * 2013-12-05 2015-06-10 Merlo Project S.r.l. Véhicule de levage

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2882499B1 (fr) * 2005-02-25 2008-09-26 Signalisation Moderne Autorout Machine de fauchage/debroussaillage et d'elagage a bras articule comprenant un troncon amovible
JP4566935B2 (ja) * 2006-03-13 2010-10-20 ヤンマー株式会社 掘削作業機のブーム
DE202008008173U1 (de) * 2008-06-18 2009-11-05 Liebherr-Werk Ehingen Gmbh Teleskopierbarer Kranausleger
JP5395513B2 (ja) * 2009-05-26 2014-01-22 株式会社神戸製鋼所 連結部品
US11208785B2 (en) 2018-12-12 2021-12-28 Caterpillar Inc. Tool coupling arrangement having zero offset
DE102019110607A1 (de) * 2019-04-24 2020-10-29 Liebherr-France Sas Ausrüstungsbauteil
US10975544B1 (en) 2020-04-27 2021-04-13 Caterpillar Inc. Work tool coupling assembly with locking wedge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985248A (en) * 1974-09-25 1976-10-12 Badger Dynamics, Inc. Telescopic boom assembly
EP0623092A1 (fr) * 1992-01-20 1994-11-09 Caterpillar Inc Appareil pour man uvrer des charges.
NL9401774A (nl) * 1994-10-26 1996-06-03 Handelmaatschappij Priboma B V Inrichting, in het bijzonder voor egaliseren van op een oppervlak gestort materiaal.
JPH09228691A (ja) * 1996-02-20 1997-09-02 Kubota Corp 鋼管柱の継手装置

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE41002C (de) P. brüggemann & CO. in Habelschwerdt Flechtwerk zum Halten von Wand- und Deckenputz
DE68068C (de) P, STARK und K. A. GÖTTER in Markneukirchen 1. S Vorrichtung zur Erleichterung des Stimmens chromatisch besaiteter Zithern
DD41002A (fr) *
DE41004C (de) 1900-01-01 A. KRATZER in Sinn b. Herborn Zweirädriges Fahrrad mit zwei verstellbaren Radachsen
DD41004A (fr) *
DD68068A (fr) *
DE2350701C2 (de) * 1973-10-10 1975-03-13 Otto 6940 Weinheim Auer Ausleger für Krane
US4214665A (en) * 1978-06-01 1980-07-29 Newman Timothy L Truck mounted railroad crane boom section
US4382743A (en) * 1981-02-23 1983-05-10 Newell Lawrence H Loading apparatus with a tiltable and extendable fork carriage mounted thereon
DE3615295A1 (de) * 1986-05-07 1987-11-12 Paus Gmbh Maschf Hermann Gelenksteiger
DE8909340U1 (de) * 1989-08-02 1990-12-06 Pfeifer Seil- Und Hebetechnik Gmbh & Co, 8940 Memmingen Winde für einen Autokran
DE4101582A1 (de) * 1991-01-21 1992-07-23 Univ Magdeburg Tech Krafteinleitungs-, kraftumlenkungs- und fuegestelle
US5163335A (en) * 1991-07-15 1992-11-17 Patrick D. Isom Universal starter motor assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985248A (en) * 1974-09-25 1976-10-12 Badger Dynamics, Inc. Telescopic boom assembly
EP0623092A1 (fr) * 1992-01-20 1994-11-09 Caterpillar Inc Appareil pour man uvrer des charges.
NL9401774A (nl) * 1994-10-26 1996-06-03 Handelmaatschappij Priboma B V Inrichting, in het bijzonder voor egaliseren van op een oppervlak gestort materiaal.
JPH09228691A (ja) * 1996-02-20 1997-09-02 Kubota Corp 鋼管柱の継手装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 01 30 January 1998 (1998-01-30) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2881357A1 (fr) * 2013-12-05 2015-06-10 Merlo Project S.r.l. Véhicule de levage

Also Published As

Publication number Publication date
ES2291815T3 (es) 2008-03-01
US7223061B2 (en) 2007-05-29
CA2457972A1 (fr) 2004-08-21
US20040165978A1 (en) 2004-08-26
DE502004005104D1 (de) 2007-11-15
EP1449806B1 (fr) 2007-10-03
DE10307689A1 (de) 2004-09-23

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