EP0176829B1 - Kompaktbagger - Google Patents

Kompaktbagger Download PDF

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Publication number
EP0176829B1
EP0176829B1 EP85111522A EP85111522A EP0176829B1 EP 0176829 B1 EP0176829 B1 EP 0176829B1 EP 85111522 A EP85111522 A EP 85111522A EP 85111522 A EP85111522 A EP 85111522A EP 0176829 B1 EP0176829 B1 EP 0176829B1
Authority
EP
European Patent Office
Prior art keywords
compact excavator
offsetting member
axis
boom
upper vehicle
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
Application number
EP85111522A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0176829A1 (de
Inventor
Luis Haringer
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.)
Macmoter SpA
Original Assignee
Macmoter SpA
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 Macmoter SpA filed Critical Macmoter SpA
Publication of EP0176829A1 publication Critical patent/EP0176829A1/de
Application granted granted Critical
Publication of EP0176829B1 publication Critical patent/EP0176829B1/de
Expired 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
    • E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
    • E02F3/382—Connections to the frame; Supports for booms or arms
    • E02F3/384—Connections to the frame; Supports for booms or arms the boom being pivotable relative to the frame about a vertical axis
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/13—Handlers utilizing parallel links

Definitions

  • the invention relates to a compact excavator with a chassis, a drive and an uppercarriage rotatably mounted by means of a slewing ring, on which an offset piece for a boom with a locking device (11, 18, 21 - 23) is horizontally pivoted about only a vertical axis, wherein the displacement piece further carries a mounting bracket for the boom pivotable about a further, vertical axis.
  • a wheeled vehicle with digging tools is known from British application GB-A-2 092 102.
  • the digging tools are an excavator shovel on a bendable boom that is articulated on a mounting bracket.
  • the mounting bracket is pivotally mounted about a vertical axis on a first carrier, which is mounted about a likewise vertical axis and eccentrically on a second carrier, which is freely rotatably arranged on the undercarriage and in relation to the longitudinal axis.
  • the excavator bucket can be brought into a variety of extreme working positions.
  • a single-axle vehicle with an excavator bucket is known, which is located on a multi-section boom.
  • This boom consists of two parallel links, which can be adjusted at the top of the driver's cab both about a horizontal axis and about vertical axes, and which have at their free end a mounting bracket that can be pivoted about a vertical axis for further boom parts and the excavator shovel.
  • the two parallel links are also adjustable with the aid of a piston-cylinder device which can be pivoted both about a horizontal axis and about a vertical axis and is articulated at the bottom of the driver's cab. It also applies here that the excavator bucket can be brought into a variety of different working positions relative to the vehicle.
  • the invention is particularly based on this prior art, the task of creating a versatile compact excavator of the simplest construction, which is suitable for digging staggered trenches and thus has a high usability, furthermore the storage of the movable parts is arranged so that if possible only low forces and low torque or tilting moments occur at the bearing points.
  • the invention provides that the articulation axis for the set piece on the superstructure is arranged in a range from the transverse axis leading through the axis of the turntable to a position c at the rear thereof, and that a parallel link is provided for the set piece is assigned and is staggered on the back in accordance with the set piece on the superstructure and is also articulated on the boom or its attachment bracket.
  • the type of mounting or articulation of the set piece means that its free end with the mounting bracket protrudes only slightly beyond the front edge of the superstructure both when digging trenches lying in the longitudinal axis of the vehicle and when digging trenches offset from it.
  • the vertical pivot axis for the extension bracket is namely close to the axis of rotation for the superstructure.
  • the parallel link of the offset piece can have a constant length.
  • the set piece is articulated on the superstructure approximately in its longitudinal center plane or longitudinal axis.
  • it can also be arranged off-center in relation to the longitudinal center plane or longitudinal axis, so that the set piece is then located next to the driver's cab. This is useful for many applications.
  • a compact excavator comprises a chassis 1 with a slewing ring 2, on which a superstructure 3 is freely rotatable and a driver's cab 4, a body 5 in the form of a housing for an engine and a counterweight for a boom 6 with it Carrying bucket. Furthermore, at least one support element, possibly in the form of a work plate 7, is provided.
  • the dimensions of the compact excavator are small overall, the superstructure 3 not being much longer than the chassis 1, as is also evident from the enveloping circle 8 which is defined by the projecting parts of the superstructure 3.
  • the longitudinal center plane or longitudinal axis 9 of the superstructure 3 largely coincides with that of the chassis 1.
  • the transverse axis 10 of the superstructure 3 leads through its rotating sleeves which, for reasons of statics or weight distribution, do not have to match the center of the chassis.
  • the boom 6 is mounted on the superstructure 3 via an offset piece 12.
  • the set piece 12 is in turn articulated on a bearing base 13.
  • the distance from its articulation axis on the bearing base 13 to the transverse axis 10 is designated in the plan view according to FIG. 2 with the letter c and its lateral offset with the letter b. In principle, the same designations apply to the exemplary embodiments according to the other figures.
  • a parallel link 14 is also assigned to the offset piece 12, which is also articulated on the bearing base 13 on the one hand and on the other hand engages a shoulder or attachment bracket 15 of the boom 6.
  • the displacement piece 12 and the parallel link 14 together form a parallelogram or a parallel guide which, due to the perpendicular articulation of the boom 6, allows it to be displaced laterally while maintaining its direction. This is clear from FIG. 3 on the basis of the solid lines or the dash-dotted lines of the boom 6.
  • the parallel link 14 in the embodiment shown in FIG. 2 is a piston-cylinder device.
  • the length of the parallel link 14 can therefore be changed, with the result that the arm 6 can be pivoted about the free end of the displacement piece 12 by angles a and ⁇ on both sides. 2 is at a distance a from the axis of rotation of the slewing ring 2 and by an amount b, laterally offset from the longitudinal axis 9 of the chassis 1.
  • the distance b can be zero if the boom 6 is located in the longitudinal axis 9 of the chassis 1, but it can also have a maximum value as shown in FIG. 3.
  • the lateral pivoting of the boom 6 about the angular ranges a and ⁇ takes place directly with the aid of the parallel link 14 designed as a piston-cylinder device.
  • the set piece 12 is locked in any working position with the aid of a linkage 11, as can be seen in FIG. 2.
  • the locking rod 11 has a plurality of holes 17, through which pins or bolts can be inserted, which fix the set piece 12 on the superstructure 3 in different swivel positions.
  • the boom 6 is offset in parallel.
  • FIGS. 3 and 4 essentially corresponds to that according to FIGS. 1 and 2.
  • the only difference is that the parallel link 16 has a fixed, unchangeable length. This is sufficient for many applications.
  • the locking rod is replaced by a piston-cylinder device 18, so that the displacement piece 12 can be pivoted through any desired angle without the superstructure 3 having to be pivoted at the same time.
  • a piston-cylinder device is provided as the parallel link 14, additional pivoting movements of the arm 6 by an angle y are possible.
  • the exemplary embodiment according to FIGS. 7 and 8 differs from the first described embodiments in that the displacement piece 12 is articulated exactly in the axis of rotation of the superstructure 3.
  • the boom 6 can be fixed by means of a bolt 21.
  • the boom 6 according to FIG. 7 can be fixed in at least two further working positions at fixed points or lugs 22, 23.

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)
  • Operation Control Of Excavators (AREA)
  • Earth Drilling (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP85111522A 1984-10-01 1985-09-12 Kompaktbagger Expired EP0176829B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843435981 DE3435981A1 (de) 1984-10-01 1984-10-01 Kompaktbagger
DE3435981 1984-10-01

Publications (2)

Publication Number Publication Date
EP0176829A1 EP0176829A1 (de) 1986-04-09
EP0176829B1 true EP0176829B1 (de) 1989-01-25

Family

ID=6246815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111522A Expired EP0176829B1 (de) 1984-10-01 1985-09-12 Kompaktbagger

Country Status (5)

Country Link
US (1) US4693662A (enrdf_load_stackoverflow)
EP (1) EP0176829B1 (enrdf_load_stackoverflow)
AT (1) ATE40432T1 (enrdf_load_stackoverflow)
DE (1) DE3435981A1 (enrdf_load_stackoverflow)
ES (4) ES296011Y (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533427A1 (de) * 1985-09-19 1987-03-26 Schaeff Karl Gmbh & Co Seitenversatzeinrichtung fuer eine baggerkonsole
AT396142B (de) * 1990-11-28 1993-06-25 Ernst Augl Ges M B H & Co Kg Bagger
DE9113554U1 (de) * 1991-10-31 1992-01-09 Zerres, Dietmar, 5231 Rodenbach Ausschachtungsvorrichtung
US5486084A (en) * 1993-06-07 1996-01-23 Raymond F. Pitman Multiple purpose material handling and working apparatus
FR2733525B1 (fr) * 1995-04-25 1997-07-04 Mecalac Engin de travaux publics dont l'outil de travail est monte a l'extremite d'un bras articule
JPH09242104A (ja) * 1996-03-12 1997-09-16 Takeuchi Seisakusho:Kk パワーショベル
RU2103448C1 (ru) * 1996-07-23 1998-01-27 Виктор Иванович Цветков Поворотная колонка
ATE222312T1 (de) * 2001-07-20 2002-08-15 Hans Neunteufel Fahrzeug mit vorrichtung zum verstellen eines oberwagens auf einem unterwagen, insbesondere bagger oder lader, mit einer solchen oberwagenverstellung
WO2005035882A2 (en) * 2003-10-03 2005-04-21 The Charles Machine Works, Inc. Multi-function work machine
USD511531S1 (en) 2004-01-22 2005-11-15 The Charles Machines Works, Inc. Excavator tool carrier
USD527027S1 (en) 2005-08-17 2006-08-22 The Charles Machine Works, Inc. Excavator tool carrier
WO2007030908A1 (en) * 2005-09-16 2007-03-22 Moose Mountain Heavy Equipment Training Center Inc. System and method for training an excavator operator
USD538305S1 (en) 2006-02-17 2007-03-13 The Charles Machine Works, Inc. Excavator tool carrier with cab
US20080156009A1 (en) * 2006-12-28 2008-07-03 Whirlpool Corporation Variable capacity modular refrigeration system for kitchens
JP6374822B2 (ja) * 2015-03-30 2018-08-15 株式会社クボタ 作業機
JP6374821B2 (ja) * 2015-03-30 2018-08-15 株式会社クボタ 作業機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1634994C3 (de) * 1967-11-08 1974-05-02 Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg Fahrbarer Löffelbagger
FR1603020A (enrdf_load_stackoverflow) * 1968-05-20 1971-03-15
FR2084685A5 (enrdf_load_stackoverflow) * 1970-03-18 1971-12-17 Schaeff Kg Maschfab Karl
DE2612879C2 (de) * 1976-03-26 1986-05-15 Karl Schaeff GmbH & Co, Maschinenfabrik, 7183 Langenburg Fahrbarer Löffelbagger
DE2757968C2 (de) * 1977-12-24 1979-11-22 Karl Schaeff Kg Maschinenfabrik, 7183 Langenburg Fahrbarer Löffelbagger
US4433495A (en) * 1981-01-31 1984-02-28 Mitsuhiro Kishi Digger with supporting base pivotable on transversible member
DE3234020A1 (de) * 1982-09-14 1984-03-15 O & K Orenstein & Koppel Ag, 1000 Berlin Anordnung zum verschwenken eines anbauhalters der ausruestung eines hydraulikbaggers
DE3234019A1 (de) * 1982-09-14 1984-03-15 O & K Orenstein & Koppel Ag, 1000 Berlin Hydraulikbaggerausruestung

Also Published As

Publication number Publication date
ATE40432T1 (de) 1989-02-15
ES296417U (es) 1987-08-16
ES296417Y (es) 1988-03-16
ES296655Y4 (es) 1988-05-27
ES296011Y (es) 1988-01-16
EP0176829A1 (de) 1986-04-09
ES296011U (es) 1987-07-16
ES296655U (es) 1987-12-01
ES296655Y (es) 1988-05-16
ES296418Y (es) 1988-04-16
US4693662A (en) 1987-09-15
ES296418U (es) 1987-09-16
DE3435981C2 (enrdf_load_stackoverflow) 1992-12-03
DE3435981A1 (de) 1986-04-17

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