EP1546471B1 - Aushubwerkzeug für hydraulikbagger - Google Patents

Aushubwerkzeug für hydraulikbagger Download PDF

Info

Publication number
EP1546471B1
EP1546471B1 EP03787837A EP03787837A EP1546471B1 EP 1546471 B1 EP1546471 B1 EP 1546471B1 EP 03787837 A EP03787837 A EP 03787837A EP 03787837 A EP03787837 A EP 03787837A EP 1546471 B1 EP1546471 B1 EP 1546471B1
Authority
EP
European Patent Office
Prior art keywords
blade
tool
blades
core
tool according
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.)
Expired - Lifetime
Application number
EP03787837A
Other languages
English (en)
French (fr)
Other versions
EP1546471A1 (de
Inventor
Marcel Morin
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.)
KLAC Industrie SAS
Original Assignee
KLAC Industrie SAS
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
Priority claimed from FR0209305A external-priority patent/FR2842841B1/fr
Application filed by KLAC Industrie SAS filed Critical KLAC Industrie SAS
Publication of EP1546471A1 publication Critical patent/EP1546471A1/de
Application granted granted Critical
Publication of EP1546471B1 publication Critical patent/EP1546471B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels

Definitions

  • the present invention relates to an excavation tool of the kind of those articulated at the end of a hydraulic excavator.
  • buckets are used whose width substantially delimits the width of the trench to be produced.
  • This tool does not give satisfaction because the earth adheres to the bottom and on each side of the soul.
  • the tool of the invention which overcomes these disadvantages, comprises a plurality of curvilinear blades each constituted by a portion of straight cylindrical surface whose generatrices extend parallel to the axis of rotation of said tool on the arm and is characterized in that the blades are angularly offset so that the distance separating the upper ends of two adjacent blades is less than the distance separating the lower ends of said blades.
  • the distance between the axis of articulation of the tool on the arm of the excavator and the lower end of each blade increases from the first to the last, the first blade being the one that enters the ground first.
  • the tool of the invention consists of curvilinear blades 1 carried by a central core 2, disposed behind the blades, secured to a yoke 3, usual attaching the tool to the end of the arm 4 of an excavator by means of a shaft 5.
  • a jack whose rod is shown at 6, allows the tool to be pivoted. around the axis of the tree 5.
  • Each blade 1 is constituted by a portion of a straight cylindrical surface whose generatrices extend parallel to the axis of the shaft 5.
  • the fastening of the tool 1-2 can be achieved by means of a quick coupler, such as that described in the French patent No. 2785951 .
  • Each blade 1 may have openings 7 to reduce the surface of the blade in contact with the earth.
  • the tool has a plurality of blades 1 angularly offset so that the distance d between the upper ends of two adjacent blades is less than that D separating their lower ends.
  • the blades 1 are identical and the width of the latter defines the width of the trench to be made.
  • the blades 1 are offset angularly and the distance between the axis of the shaft 5 and the end of the corresponding blade increases in the direction of rotation of the tool during the penetration into the ground S (counterclockwise if we refer to the drawings).
  • the figure 8 shows the position of the tool when it is out of the trench.
  • containment borders 1a are provided on each blade. The surface of these borders is very small so as not to create unwanted friction that may affect the penetration of the tool into the ground and the evacuation of the soil removed.
  • the blades are removable.
  • the core 2 has pads 8 on each of which the corresponding blade is fixed by any appropriate means, each pad being shaped to conform to the convex face of the blade which, preferably, is a straight cylindrical surface with circular director.
  • each blade has means for fixing it.
  • the convex face of each blade 9 has towards its lower end a bridge 10 and at its upper end a yoke 11 between the wings of which can be inserted the core 2 of the tool.
  • the blade 9 is held in the position of the figure 10 by a pin 12, holes 13 being provided for this purpose on the core 2.
  • a pin 12 being provided for this purpose on the core 2.
  • To mount a blade it is engaged on the soul, then it slides downwards so that the trigger guard is located beyond from the lower end of the pad. Keeping the blade pressed against the pad, it is dragged upwards so that the trigger guard is penetrated by the lower end of said pad and finally the pin is placed which holds the assembly. Disassembly is carried out by a reverse maneuver.
  • blades of the same tool can be different in both width and length.
  • the figure 14 shows another embodiment of the tool of the figure 1 according to which the core 2a is shaped to cooperate with the core 14 of a blade 15 ( fig.15 ) to produce, from a single-blade tool, a two-blade tool as shown on the figure 16 .
  • Fixing the blade of the figure 15 is carried out, for example, by means of two plates 16, arranged on either side of the cores 2 and 14, held by bolts whose axes appear at 17 in the drawings. It should be noted that the core 14 may be shaped to allow the attachment of a third blade.
  • the blades are portions of circular cylindrical surfaces.
  • curvilinear plates whose director does not have the appearance of a continuous curve, but that of a polygonal line, such as a polygonal line that can register in an arc, for example.
  • each curvilinear blade of the invention can result from the folding, in the same direction of a plane blade, the various folds forming a relatively small angle with the axis of articulation of the tool to the arm .

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)
  • Component Parts Of Construction Machinery (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Road Repair (AREA)

Claims (6)

  1. Werkzeug, das am Ende des Arms (4) eines Schaufelbaggers befestigt werden kann, das eine Mehrzahl von gekrümmten Messern umfaßt, von denen jede aus einem geraden Abschnitt zylinderförmiger Oberfläche gebildet wird, deren äußere Kegellänge sich parallel zur Drehachse des besagten Werkzeugs auf dem Arm erstreckt, dadurch gekennzeichnet, daß die Messer (1) im Winkel versetzt sind, so daß die die oberen Enden von zwei nebeneinander liegenden Messern trennende Entfernung (d) geringer als die die unteren Enden der besagten Messer trennende Entfernung (D) ist.
  2. Werkzeug nach Anspruch 1, dadurch gekennzeichnet, daß das Messer Öffnungen (7) aufweist.
  3. Werkzeug nach einem beliebigen der vorstehenden Ansprüche 1 und 2, dadurch gekennzeichnet, daß die die Gelenkachse (5) des Werkzeugs und das untere Ende jedes Messers trennende Entfernung vom ersten bis zum letzten steigt, wobei das erste Messer dasjenige ist, das zuerst in den Boden eindringt.
  4. Werkzeug nach einem beliebigen der vorstehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das oder die Messer abnehmbar ist/sind.
  5. Werkzeug nach Anspruch 4, dadurch gekennzeichnet, daß das die Messer stützende Innenblatt (2) zumindest einen Schuh (8) aufweist, dessen konkave Fläche sich an die konvexe Fläche des entsprechenden abnehmbaren Messers anschmiegt, wobei Mittel zur Gewährleistung der Befestigung des letzteren vorgesehen sind.
  6. Werkzeug nach einem beliebigen der vorstehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Innenblatt des Werkzeugs, das mindestens ein erstes Messer trägt, so gestaltet ist, daß es mit einem anderen Innenblatt (14) zusammenwirkt, das mindestens ein zweites Messer (15) trägt.
EP03787837A 2002-07-23 2003-06-12 Aushubwerkzeug für hydraulikbagger Expired - Lifetime EP1546471B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0209305 2002-07-23
FR0209305A FR2842841B1 (fr) 2002-07-23 2002-07-23 Outil d'excavation pour pelleteuse hydraulique
FR0303680 2003-03-26
FR0303680A FR2842842A1 (fr) 2002-07-23 2003-03-26 Outil d'excavation pour pelleteuse hydraulique
PCT/FR2003/001758 WO2004016864A1 (fr) 2002-07-23 2003-06-12 Outil d'excavation pour pelleteuse hydraulique

Publications (2)

Publication Number Publication Date
EP1546471A1 EP1546471A1 (de) 2005-06-29
EP1546471B1 true EP1546471B1 (de) 2010-10-13

Family

ID=30117032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03787837A Expired - Lifetime EP1546471B1 (de) 2002-07-23 2003-06-12 Aushubwerkzeug für hydraulikbagger

Country Status (8)

Country Link
EP (1) EP1546471B1 (de)
JP (1) JP4444106B2 (de)
AT (1) ATE484632T1 (de)
AU (1) AU2003253067A1 (de)
CA (1) CA2492937C (de)
DE (1) DE60334553D1 (de)
FR (1) FR2842842A1 (de)
WO (1) WO2004016864A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006021244A1 (en) * 2004-05-28 2006-03-02 Koninklijke Kpn N.V. Excavating bucket and method for digging using such an excavating bucket
EP1896658B1 (de) 2005-05-16 2017-09-13 Terminator IP SA Verbesserte hammerbefestigung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416409A (en) * 1945-06-11 1947-02-25 Vern L Schield Trench hoe and the like
US3032900A (en) * 1960-12-16 1962-05-08 Kash Products Inc Bucket for digging of narrow trenches
ZA742115B (en) * 1974-04-03 1975-06-25 D Luck Improvements in excavators
CA1001408A (en) * 1975-02-12 1976-12-14 Ronald L. Landry Back hoe ripper-trencher converter
SU1745823A1 (ru) * 1989-07-26 1992-07-07 Алма-Атинский институт инженеров железнодорожного транспорта Рабочее оборудование одноковшового гидравлического экскаватора
DE9103099U1 (de) * 1991-03-14 1991-08-01 Kohler, Bruno, Dornbirn Baggerlöffel
JPH10140597A (ja) * 1996-11-12 1998-05-26 Fumio Kinoshita 掘削具及び地盤掘削方法
JP4107529B2 (ja) * 1998-12-14 2008-06-25 丸順重工株式会社 溝用バケット
GB2347921A (en) * 1999-03-17 2000-09-20 Lee Shearsby Dodd Ltd Excavator tool with cutting elements arranged on a convex surface
FR2794932A1 (fr) * 1999-06-17 2000-12-22 Georges Borel Outillage de travail de la terre a fonctions multiples adaptable a un bras articule
DE10114707A1 (de) * 2001-03-26 2002-10-10 Michael Wennemer Baggerschaufel

Also Published As

Publication number Publication date
JP4444106B2 (ja) 2010-03-31
JP2005533950A (ja) 2005-11-10
FR2842842A1 (fr) 2004-01-30
WO2004016864A1 (fr) 2004-02-26
CA2492937A1 (fr) 2004-02-26
EP1546471A1 (de) 2005-06-29
ATE484632T1 (de) 2010-10-15
CA2492937C (fr) 2008-11-18
DE60334553D1 (de) 2010-11-25
AU2003253067A1 (en) 2004-03-03

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