EP1837445B1 - Outil pour une excavatrice - Google Patents

Outil pour une excavatrice Download PDF

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Publication number
EP1837445B1
EP1837445B1 EP07090046A EP07090046A EP1837445B1 EP 1837445 B1 EP1837445 B1 EP 1837445B1 EP 07090046 A EP07090046 A EP 07090046A EP 07090046 A EP07090046 A EP 07090046A EP 1837445 B1 EP1837445 B1 EP 1837445B1
Authority
EP
European Patent Office
Prior art keywords
gripper
holder
grab
shells
shell
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.)
Not-in-force
Application number
EP07090046A
Other languages
German (de)
English (en)
Other versions
EP1837445A2 (fr
EP1837445A3 (fr
Inventor
Jürgen Bender
Mathias Bender
Michael Jungnickel
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.)
Gottlieb Tesch Bauunternehmen GmbH
Original Assignee
Gottlieb Tesch Bauunternehmen GmbH
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 Gottlieb Tesch Bauunternehmen GmbH filed Critical Gottlieb Tesch Bauunternehmen GmbH
Publication of EP1837445A2 publication Critical patent/EP1837445A2/fr
Publication of EP1837445A3 publication Critical patent/EP1837445A3/fr
Application granted granted Critical
Publication of EP1837445B1 publication Critical patent/EP1837445B1/fr
Not-in-force 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
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14—Grabs opened or closed by driving motors thereon
    • B66C3/16—Grabs opened or closed by driving motors thereon by fluid motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/02—Bucket grabs
    • 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
    • E02F3/30—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 a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/303—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 a dipper-arm pivoted on a cantilever beam, i.e. boom with the dipper-arm or boom rotatable about its longitudinal axis
    • 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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
    • E02F3/404—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors comprising two parts movable relative to each other, e.g. for gripping
    • 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
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/413—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device
    • E02F3/4135—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with grabbing device with grabs mounted directly on a boom

Definitions

  • the invention relates to a working device for an excavator, in particular for excavating the trenching with a hydraulic excavator with multi-part boom, with a attachable at the free end of Endauslegerarmes, pivotable carrier and with a holder for the open at the tops of the hook shells of a gripper, by mechanical blocking of the closed gripper shells on the holder to the spoon can be converted, wherein a gripper cup mounted on the holder can be actuated by means of a hydraulic drive unit.
  • the two gripper shells are provided at their pivot axes with toothed segments, which are firmly locked together in the closed position by engaging in the tooth spaces locking pin.
  • the closed gripper becomes a spoon pulled by a tilting cable against a fixedly mounted on the cantilever arm.
  • Other ropes are used to open and close the gripper shells when gripping.
  • the invention is therefore an object of the invention to provide a working device of the generic type, which allows at least two alternative uses of clamshell wrench tools in a technically perfect manner and is used in particular for excavating the trenches in trench both as a gripper and as a spoon.
  • both gripper cups are pivotally mounted in the holder parallel to each other and spaced pivot axes and mechanically coupled to each other for pivotal movement by means of rotatably mounted on the pivot axes, meshing with each other gears and that the drive unit to open and closing both gripper shells between the carrier and the one gripper cup arranged and the other gripper cup is blocked in the closed position by means of a locking device on the holder.
  • the grapple for excavating the trenches to fulfill its full function perfectly and at the same time be used as a spoon.
  • the inventive design of the implement can be excavated with the gripper using the attacking on one gripper shell drive unit in a conventional manner ground for the purpose of creating a trench, wherein the drive unit for opening and closing the gripper and the boom of the excavator for moving the gripper serve from the receiving into the dispensing position.
  • the free upper edge of the non-driven gripper cup acts as a spoon edge.
  • the locking device with which is not acted upon by the drive unit gripper cup is blocked in the closed position, to the fact that the gripper with its two gripper cups and the holder with carrier are operatively connected to a rigid assembly, so that the spoon movement of the implement by means of the drive unit on the boom of the excavator is possible.
  • the free upper edge of the not acted upon by the drive unit gripper cup serves as a spoon edge.
  • the implement for excavating the soil combines the previously separate functions of a trench spoon with those of a trench gripper and forms a multifunctional attachment, especially for the standard hydraulic excavator A 900 B Litronic. An exchange of different Equipment or a conversion of a working device for gripping and spooning is no longer necessary.
  • each gripper cup mounted with a respective pivot axis on the holder and the pivot axes are arranged parallel to each other and at a distance from each other and are rotatably coupled to the pivot axes of the gripper shells, intermeshing gears are coupled in a simple manner, a coupled movement of the driven Claw shell with the non-driven gripper shell when opening and closing the gripper allows.
  • two driving spur gears with common mounted on the holder pivot axis attached to the driven gripper shell, which is acted upon by the drive unit.
  • two more spur gears are mounted, which mesh with the spur gears of the driven gripper shell.
  • the rolling of the driven spur gears of the driven gripper shell on the non-driven spur gears of the other gripper shell leads to the simultaneous opening or closing of both gripper shells of the gripper.
  • the locking device is formed from in the closed position between the abutting side walls of the hook shells attacking, fastened to the holder stopper bolt.
  • the stop pins cause in a simple manner a support of the spoon edge of the non-driven gripper cup on the holder and at the same time a mutual Locking the two gripper shells on the holder, which is firmly connected to the pivotable carrier.
  • a hydraulic excavator 1 ( Fig. 1 and 2 ) comprises a movable on tires 2 chassis 3 with a turntable 4, on which a machine part 5, a cab 6 and a platform 7 are rotatably mounted on which a three-piece boom 8 is attached to a Endauslegerarm 9 and with a working device 10 disposed thereon ,
  • the boom 8 and thus the implement 10 can be pivoted about the vertical axis 32 of the turntable 4.
  • the Endauslegerarm 9 can be moved about its pivot axis 11 in a vertical plane, whereby the mounted in a pivot axis 12 at the free end of Endauslegerarmes 9 working device 10 is also movable in this vertical plane.
  • a pivotally mounted on Endauslegerarm 9, designed as a hydraulic cylinder piston unit Drive unit 13, which serves for a later-described purpose, is fixed with its end bearing eye 37 by means of a lever 38 in the fixed point 39 on Endauslegerarm 9.
  • the implement 10 is ( 6 and 7 ) of a horizontal cross-section I-shaped support 14 whose upper end carries a bracket 15, on the upper side a rotary gear 16 is flanged with a fork-shaped fastening tab 17 which is mounted on the pivot axis 12 at the free end of Endauslegerarmes 9. Between the fastening tab 17 and the rotary gear 16, a hinge 43 is arranged so that the gripper 21 can always align itself vertically to its center of gravity.
  • the I-shaped support 14 carries at the lower end a box-shaped holder 18 for the gripper shells 19, 20 of a gripper 21. Each gripper shell 19, 20 is by means of a respective pivot axis 22, 23 (FIG. Fig. 3 and 5 ) are mounted on the holder 18.
  • the pivot axes 22, 23 are parallel to each other and spaced from each other. On the pivot axes 22, 23 and at the same time on the inside of the box-shaped holder 18 ( Fig. 8 ) are on the pivot axes 22, 23 spur gears 24, 25 rotatably disposed, which are engaged with each other.
  • the rotatably attached to the gripper shells 19, 20 pivot axes 22, 23 are rotatably mounted in the holder 18.
  • cross-member 41 with a bearing 42 is designed as a hydraulic cylinder piston unit Drive unit 26 which extends diagonally through an opening 27 in the I-shaped support 14 ( 6 and 7 ) and which serves the drive for opening and closing the gripper 21.
  • the right gripper shell 20 form the driven gripper shell and the left gripper shell 19 the non-driven gripper shell.
  • the spur gears 20 associated with the driven right gripper shell 20 form the driving spur gears and the non-driven left gripper shell 21 associated spur gears 25, the driven spur gears. This results in a forced coupling of the movements of the non-driven left gripper cup 19 by a pivoting movement of the driven right gripper cup 20.
  • the implement 10 For digging the trenches in the hitherto described embodiment, the implement 10 operates like a conventional digger gripper by the gripper 21 by means of the drive unit 26 ( Fig. 2 ) and is lowered by means of the boom 9.
  • Erdaushub done a closing of the gripper 21 and then a vertical movement in a raised position ( Fig. 1 ), from which by lateral pivoting of the boom 9, a depositing of the excavation laterally of the trench is possible.
  • the rotary gear 16 is also a pivoting of the gripper 21 about its vertical axis possible.
  • brackets 28, 29 For this purpose, arranged on the perpendicular to the pivot axes 23, 23 of the gripper shells 19, 20 and above the fully open at the top left gripper cup 19, facing the cab 6 front of the carrier 14 at a vertical distance from each other different lengths brackets 28, 29 with the respective End mounted pivot bearings 30, 31 arranged ( Fig. 1, 2 and 4 ).
  • the upper, shorter holder 28 serves to fasten the carrier 14 by means of the pivot bearing 30 to the drive unit 13 arranged on the end arm 9, which is designed as a hydraulic cylinder-piston unit.
  • the lower, longer bracket 29 is used with its pivot bearing 31 for mounting the carrier 14 on the pivot bearing 12 at the free end of the Endauslegerarmes. 9
  • spoon movements of the gripper 21 can now be carried out under the effect of both the pivoting movements of the drive unit 13 on the end extension arm 9 and the pivoting movements of the boom 8 and the end extension arm 19, for which the front edge of the left gripper cup 19 is designed as a spoon edge 33.
  • the left gripper cup 19 by means of a locking device 34 on the holder 18 can be blocked.
  • the locking device 34 is off in the closed position of the gripper 21 between the abutting side walls of the gripper shells 19, 20 attacking, laterally fastened to the holder 18 stop pin 35 is formed, which engage in edge-reinforced mating recesses 36 on the side walls of the gripper shells 19, 20.
  • All drive units are designed for a hydraulic excavator as hydraulic cylinder piston units.
  • the components of the implement 10 are made of steel of the required quality and strength.
  • the front edge of the gripper 21 forms ( Fig. 1 . 4 and 5 ), parallel to the pivot axes 22, 23 of the gripper shells 19, 20 and thus extends transversely to the working direction of the gripper 21 in the spoon movement.
  • the spoon-gripper 21 is thus divided transversely to its working direction when spooning the soil, so that when digging trenches by spoons by means of the spoon edge 33, a subsequent work as a gripper 21 in the dug digging trenches is possible.
  • FIG. 9 shown hydraulic excavator an alternative embodiment of Endauslegerarmes 9 in the form of a rotary handle 9 'is provided, which is connected via the rotary gear 16' formed as a rotary gear 16 with the head portion 45 of the Endauslegerarmes 9 in combination.
  • the rotary handle 9' can be rotated about its vertical vertical axis 46.
  • the Bracket 15 pivotally mounted, which receives the carrier 14 for the gripper 21 approximately centrally on the bottom.
  • the rotary handle 9 ' can be rotated by means of the turntable 16' together with the drive unit 13 and mounted on the bracket 15 gripper 21 about its vertical vertical axis 46.
  • the rotary handle 9 'can also be pivoted by means of the boom 8.
  • the console 15 can be pivoted with the gripper 21 thereon under the action of the drive unit 13 and the parallelogram of the boom 15 and the levers 38 and 44 about the pivot axis 12 at the lower end of the rotary handle 9 ', so that the gripper 21 also obliquely can be hired as it is in Fig. 10 is shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Earth Drilling (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (3)

  1. Outil de travail pour un excavateur, plus particulièrement pour le creusage du sol lors de l'excavation de fossés, avec un excavateur hydraulique avec un bras (8) constitué de plusieurs pièces, avec un élément porteur pivotant (15) susceptible d'être fixé à l'extrémité libre du bras terminal (9), et avec un support (18) pour les coques de préhension (19, 20) ouvertes sur le dessus d'un preneur (21), qui peut être converti en cuillère par blocage mécanique des coques de préhension fermées (19, 20) sur le support (18), une coque de préhension (20) disposée sur le support (18) pouvant être actionnée au moyen d'une unité d'entraînement hydraulique (26),
    caractérisé en ce que
    les deux coques de préhension (19, 20) sont montées de façon pivotante sur des axes de pivotement (22, 23) parallèles entre eux sur le support (18) et espacés l'un de l'autre, et accouplées l'une avec l'autre de façon mécanique au moyen de roues dentées (24, 25) engrenées, disposées par blocage en rotation sur les axes de pivotement (22, 23), et
    en ce que l'unité d'entraînement (26) pour l'ouverture et la fermeture des deux coques de préhension (19, 20) est montée entre l'élément porteur (15) et l'une des coques de préhension (20), et l'autre coque de préhension (19) peut être bloquée dans la position de fermeture au moyen d'un dispositif de verrouillage sur le support (18).
  2. Outil de travail selon la revendication 1, caractérisé en ce que deux roues dentées frontales d'entraînement (25), avec un axe de pivotement commun (23) monté sur le support (18), sont disposées sur la coque de préhension entraînée (20), et deux roues dentées frontales entraînées (24), avec un axe de pivotement (22) commun monté sur le support (18), sont disposées sur la coque de préhension entraînée (19).
  3. Outil de travail selon la revendication 1, caractérisé en ce que le dispositif de verrouillage est constitué par des boulons de butée (34) fixés au support (18), qui s'engagent entre les parois latérales contigües des coques de préhension (19, 20) dans la position de fermeture.
EP07090046A 2006-03-20 2007-03-14 Outil pour une excavatrice Not-in-force EP1837445B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006013451A DE102006013451B4 (de) 2006-03-20 2006-03-20 Arbeitsgerät für einen Bagger

Publications (3)

Publication Number Publication Date
EP1837445A2 EP1837445A2 (fr) 2007-09-26
EP1837445A3 EP1837445A3 (fr) 2007-11-21
EP1837445B1 true EP1837445B1 (fr) 2009-11-11

Family

ID=38179764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07090046A Not-in-force EP1837445B1 (fr) 2006-03-20 2007-03-14 Outil pour une excavatrice

Country Status (3)

Country Link
EP (1) EP1837445B1 (fr)
AT (1) ATE448364T1 (fr)
DE (2) DE102006013451B4 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101531328B (zh) * 2008-03-12 2011-07-20 中国钢铁股份有限公司 天车装置的定位***
JP5117628B1 (ja) * 2012-06-27 2013-01-16 Ｊｈｌ株式会社 把持装置及び建設機械
KR101644567B1 (ko) * 2014-10-13 2016-08-02 정진호 회전장치를 갖는 굴착기용 암
WO2017161458A1 (fr) * 2016-03-23 2017-09-28 Ami Attachments Inc. Ensemble robuste à outils multiples pour excavatrices hydrauliques
US10774501B2 (en) 2016-03-23 2020-09-15 Ami Attachments Inc. Robust multi-tool assembly for hydraulic excavators
CN111729927B (zh) * 2020-06-16 2022-01-28 中国地质环境监测院 一种高效的土壤修复装置及其修复方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE858673C (de) * 1941-05-18 1952-12-08 Otto Thielemann Tiefloeffelbagger mit einem am Spitzenausleger schwenkbar gelagerten Loeffel
DE1092394B (de) * 1954-02-03 1960-11-03 Hans Liebherr Bagger, dessen Grabwerkzeug aus einem sowohl als Greifer als auch als Tiefloeffel verwendbaren Schaufelpaar besteht
US2826838A (en) * 1954-04-08 1958-03-18 Blaw Knox Co Four-rope clamshell cleanup type bucket
DE1734191U (de) * 1956-07-07 1956-11-15 Franz Jun Fischer Hoch-tief-loeffelgreifer.
US3116845A (en) * 1960-06-28 1964-01-07 Wain Roy Corp Material handling apparatus
FR2278853A1 (fr) * 1974-05-08 1976-02-13 Poclain Sa Godet
US4889466A (en) * 1985-07-26 1989-12-26 Kabushiki Kaisha Komatsu Seisakusho Control device for a power shovel
DE3617673A1 (de) * 1986-05-26 1987-12-10 Fritz Hildebrandt Hydraulik-bagger
DE3934186A1 (de) * 1989-10-13 1991-05-08 Juergen Nagler Vorrichtung zur aufhaengung von greifern an gelenkauslegerarmen von baggern
DE4022689A1 (de) * 1990-05-31 1991-12-05 Rolf Mieger Loeffel
DE4133505A1 (de) * 1990-11-15 1992-05-21 Juergen Kulle Vorrichtung zur fuehrung wenigstens eines werkzeugs
DE19506427C1 (de) * 1995-02-24 1996-04-25 Riepl Josef Gmbh Zweischalengreifer
US6098321A (en) * 1999-05-07 2000-08-08 Logan; John Duncan Bucket converter for an excavation bucket
US6370801B1 (en) * 1999-11-23 2002-04-16 1994 Weyer Family Limited Partnership Hydraulic collection tool
DE20107206U1 (de) * 2001-04-02 2002-08-08 Kinshofer Greiftechnik GmbH, 83666 Waakirchen Antriebsvorrichtung für eine Greifeinrichtung
DE102004028600A1 (de) * 2004-06-07 2005-12-22 Thomas Sauer Zweischalengreifer
DE202004013158U1 (de) * 2004-08-23 2006-01-12 Kinshofer Greiftechnik Gmbh & Co. Kg Hydraulischer Schwenkantrieb für einen Greifer

Also Published As

Publication number Publication date
DE502007001937D1 (de) 2009-12-24
EP1837445A2 (fr) 2007-09-26
DE102006013451A1 (de) 2007-09-27
EP1837445A3 (fr) 2007-11-21
DE102006013451B4 (de) 2009-09-17
ATE448364T1 (de) 2009-11-15

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