EP1045941B1 - Machine de chargement mobile a equipement de chargement frontal - Google Patents

Machine de chargement mobile a equipement de chargement frontal Download PDF

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Publication number
EP1045941B1
EP1045941B1 EP98945307A EP98945307A EP1045941B1 EP 1045941 B1 EP1045941 B1 EP 1045941B1 EP 98945307 A EP98945307 A EP 98945307A EP 98945307 A EP98945307 A EP 98945307A EP 1045941 B1 EP1045941 B1 EP 1045941B1
Authority
EP
European Patent Office
Prior art keywords
tipping
fulcrum
cylinder
shovel
lever
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
EP98945307A
Other languages
German (de)
English (en)
Other versions
EP1045941A1 (fr
Inventor
Heinrich Arck
Robert HÖLLWART
Gustav Leidinger
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel 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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Publication of EP1045941A1 publication Critical patent/EP1045941A1/fr
Application granted granted Critical
Publication of EP1045941B1 publication Critical patent/EP1045941B1/fr
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
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0841—Articulated frame, i.e. having at least one pivot point between two travelling gear units
    • 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
    • E02F3/3405—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 and comprising an additional linkage mechanism
    • E02F3/3411—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 and comprising an additional linkage mechanism of the Z-type

Definitions

  • the invention relates to a mobile loading machine with Front loading equipment, in particular construction machine, with a with the rear end on a front frame part of the Loading machine rotatably mounted in a Hubrahmenburntician Lifting frame, by means of at least one lifting cylinder can be raised and lowered, wherein at the front end of the lifting frame in a bucket fulcrum a working bucket, fork or the like.
  • Toggle holder Is hinged and being in a middle Range of the lifting frame in a rocker arm pivot point Toggle holder is hinged to a rocker arm whose lower end articulated in a Kippzylinderanlenk Vietnamese connected to a tilting cylinder at the other end articulated in a tilt cylinder pivot point on the frame part is, and its upper end in a tilt rod fulcrum hinged on a tilt rod, with her other End above the blade fulcrum in a Kippstangenanschddling is hinged to the working bucket.
  • Wheel loaders are essentially divided into two areas of use, namely earthmoving and industrial use.
  • the Z-kinematics meets the requirements the earth movement in an advantageous manner, since they are in the area the lower Hubrahmenwolf has large breaking forces and the bucket tilts back while lifting to Transport to avoid material losses, and in the upper Lifting area when dumping the bucket enough holding forces having.
  • the course of the holding force over the Bucket angle in the upper position of the lifting frame is however so that it is at the furthest forward position of the blade's center of gravity, the minimum value of the holding force reached.
  • GB 2,266,291 A is a generic loading machine known with front-loading equipment, which in principle consists of only a three-part kinematic chain, namely from a tilt cylinder, a rocker arm and a tilt rod, wherein the tilting cylinder on the rocker arm in different Location can be fixed so that different Kinematikgeometrien are feasible to to meet different requirements.
  • front-loading equipment which in principle consists of only a three-part kinematic chain, namely from a tilt cylinder, a rocker arm and a tilt rod, wherein the tilting cylinder on the rocker arm in different Location can be fixed so that different Kinematikgeometrien are feasible to to meet different requirements.
  • these known Kinematics is still much in need of improvement.
  • the object of the invention is the kinematics of a generic loading machine to improve to all advantageous properties of Z-kinematics, parallel kinematics and industrial kinematics unite and avoid their disadvantages, the Effort and thus the costs of those of a conventional Z-kinematics should not exceed.
  • a second tilt cylinder pivot point for the tilt cylinder is provided, wherein the distance of the second upper Tilting cylinder pivot point related to the tilting pivot point to the Hubrahmenide between 0.01 and 0.12.
  • the tilt cylinder can be the Kinematics thus of the motion sequence as in a Z-kinematics for earthmoving on an industrial kinematic with Change the parallel guide of the implement.
  • the holding force is then in the range of the highest Demand sufficient and follows approximately to the maximum Auskippwinkel the itself reducing needs according to the decreasing Load torque. This also leads to that in the upper Hubrahmenwolf already at horizontal position of the implement the tear forces are great and those in lower ones Hubrahmenwolf are comparable.
  • the lifting frame on a cross-beam, between the rocker fulcrum and the blade fulcrum is arranged and by means of Kipphebelhalterung the Rocker arm carries.
  • this cross-beam is preferred located at a distance from the rocker fulcrum, which is greater than the distance of Kippzylinderanlenkiss to the tilting fulcrum.
  • the kinematics offers the possibility of the crossbar in the raised Stroke position for optimum visibility on the tools as close as possible to the blade fulcrum to arrange.
  • the arrangement of the tilt cylinder in its position to the lifting frame is chosen so that its longitudinal axis approximately parallel and below the Hubrahmenachse is in each Hubrahmengnagnagna and thereby in the upper stroke area, in which the emptying of Shovel takes place in the transport vehicles, through the selected Position results in favorable visibility, because only the relatively thin piston rod of the tilt cylinder in the driver's field of vision. Also in lower lifting frame position at the material intake is the tilt cylinder thereby in a situation that does not obstruct the view.
  • a mobile loading machine is general denoted by L.
  • This loading machine L has a front frame part 13, on which the actual invention Universal kinematics is articulated, whose more accurate Structure of Figures 3 to 6 apparent.
  • the kinematics initially has a lifting frame 1, whose Hub frame axis is designated 16.
  • This lifting frame 1 is at its rear end in a Hubrahmenburntician 14 rotatably mounted on the frame part 13 of the loading machine.
  • the lifting frame 1 is usually made two parallel frame parts. On the frame part 13 is above
  • only an indicated lift cylinder 2 rotates mounted, hinged at its other end on the lifting frame 1 is. By actuating the lifting cylinder 2 is thus the lifting frame 1 can be raised and lowered, namely to the Hubrahmenburntician 14.
  • the lower end of the rocker arm 3 is in a lower first tilt cylinder pivot point 8 or above located upper second Kippzylinderanlenkddling. 9 articulated with a tilt cylinder 7 connected to his other end in a tilt cylinder pivot 11 am Frame part 13 of the loading machine is articulated.
  • the top End of the rocker arm 3 is in a tilt rod pivot 17 hinged to a tilt rod 4, with their other End above the blade fulcrum 6 in a Kippstangenanschddling 21 hinged to the working blade 5 is.
  • the distance d of the cross-beam 10 between the rocker pivot 15 and the Bucket pivot 6 is greater than b + r.
  • FIG. 4 shows a stop 19 of the eye of the piston rod 12 of the tilting cylinder 7 against the eye of the tilting rod 4 or provided against the blade 6.
  • two blade stops 20 provided against the lifting frame 1 in Auskipp ein.
  • FIG. 7 the universal kinematics according to the invention with lifting frame 1 and tilted blade 6 in Transport position shown. It is for application large holding forces in the dumped state of the blade. 6 provided that in upper Hubrahmen ein the ratio the distance m of the axis of the piston rod 12 of the Tilting cylinder 7 to the tilting fulcrum 15 to the distance n the axis of the tilting rod 4 to the blade fulcrum 6, ie m / n is on the order of 0.65 to 0.7.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shovels (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (7)

  1. Machine de chargement mobile à équipement de chargement frontal, en particulier machine de terrassement comprenant un cadre levable (1) qui est monté rotatif en un point de rotation (14) par l'extrémité postérieure, sur une partie antérieure (13) du châssis de ladite machine de chargement (L), et peut être soulevé et abaissé à l'aide d'au moins un vérin élévateur (2), sachant qu'une pelle de travail (5), une fourche (5') ou une pièce similaire est articulée à l'extrémité antérieure du cadre levable (1), en un point de rotation (6), et sachant qu'un levier basculant (3) est articulé dans une région centrale du cadre levable (1), en un point de rotation (15) d'un support (11) de levier basculant, levier dont l'extrémité inférieure est reliée de manière articulée, en un point d'articulation (8), à un vérin de basculement (7) qui est articulé par l'autre extrémité sur la partie (13) du châssis, en un point de rotation (11), et dont l'extrémité supérieure est articulée, en un point de rotation (17), sur une barre de basculement (4) articulée sur la pelle de travail (5) par son autre extrémité, en un point d'articulation (21), au-dessus du point de rotation (6) de ladite pelle,
    caractérisée par le fait que les rapports géométriques mentionnés ci-après sont respectivement prévus concernant la longueur 1 du cadre levable (1), entre le point de rotation (6) de la pelle et le point de rotation (14) dudit cadre levable :
    longueur l1 de la projection de la ligne de jonction entre le point de rotation (15) du levier basculant et le point de rotation (6) de la pelle, sur la ligne matérialisant la longueur l du cadre levable : l1/l = 0,25 à 0,4,
    distance a entre le point de rotation (15) du levier basculant et le point de rotation (17) de la barre de basculement : a/l = 0,3 à 0,35,
    distance b entre le point d'articulation (8) du vérin de basculement et le point de rotation (15) du levier basculant : b/l = 0,14 à 0,17,
    distance c entre le point d'articulation (21) de la barre de basculement et le point de rotation (6) de la pelle : c/l = 0,2 à 0,3,
    hauteur h du point de rotation (15) du levier basculant au-dessus de l'axe (16) du cadre levable : h/l = 0,08 à 0,12,
    longueur s de la barre de basculement (4) entre le point d'articulation (21) de ladite barre de basculement et le point de rotation (17) de ladite barre de basculement : s/l = 0,4 à 0,5,
    distance horizontale g entre le point de rotation (18) du vérin de basculement et le point de rotation (14) du cadre levable : g/l = 0,07 à 0,08,
    distance verticale f entre le point de rotation (18) du vérin de basculement et le point de rotation (14) du cadre levable : f/l = 0,06 à 0,07.
  2. Machine de chargement selon la revendication 1, comportant un second point d'articulation (9) du vérin de basculement (7) sur le levier basculant (3),
    caractérisée par le fait que la distance b1, entre le point de rotation (15) du levier basculant et le second point supérieur d'articulation (9) du vérin de basculement, représente b1/l = 0,01 à 0,12 vis-à-vis de la longueur du cadre levable.
  3. Machine de chargement selon la revendication 1 ou 2,
    caractérisée par le fait que le cadre levable (1) présente une entretoise (10) interposée entre le point de rotation (15) du levier basculant et le point de rotation (6) de la pelle, et portant ledit levier basculant (3) au moyen du support (11) dudit levier basculant.
  4. Machine de chargement selon la revendication 1 ou l'une des suivantes,
    caractérisée par le fait que le levier basculant (3) est agencé de manière que le rapport b/l1 représente de 0,4 à 0,5.
  5. Machine de chargement selon la revendication 1 ou l'une des suivantes,
    caractérisée par la présence de deux butées (20) de la pelle, portant contre le cadre levable (1) en position d'excursion basculante, et d'une butée (19) de l'oeillet de la tige (12) du piston du vérin de basculement (7), portant contre l'oeillet de la barre de basculement (4) ou contre la pelle (6).
  6. Machine de chargement selon la revendication 1 ou l'une des suivantes,
    caractérisée par le fait que la longueur k de déploiement maximal du vérin de basculement (7) est k/l = 0,65 à 0,75 vis-à-vis de la longueur du cadre levable.
  7. Machine de chargement selon la revendication 1 ou l'une des suivantes,
    caractérisée par le fait que le rapport entre la distance m, comprise entre l'axe de la tige du piston du vérin de basculement (7) et le point de rotation (15) du levier basculant, et la distance n comprise entre l'axe de la barre de basculement (14) et le point de rotation (6) de la pelle, est m/n = 0,65 à 0,7 en position haute du cadre levable.
EP98945307A 1998-01-05 1998-09-04 Machine de chargement mobile a equipement de chargement frontal Expired - Lifetime EP1045941B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19800164 1998-01-05
DE19800164A DE19800164A1 (de) 1998-01-05 1998-01-05 Mobile Lademaschine mit Frontladeausrüstung
PCT/EP1998/005602 WO1999035344A1 (fr) 1998-01-05 1998-09-04 Machine de chargement mobile a equipement de chargement frontal

Publications (2)

Publication Number Publication Date
EP1045941A1 EP1045941A1 (fr) 2000-10-25
EP1045941B1 true EP1045941B1 (fr) 2003-04-23

Family

ID=7854014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98945307A Expired - Lifetime EP1045941B1 (fr) 1998-01-05 1998-09-04 Machine de chargement mobile a equipement de chargement frontal

Country Status (7)

Country Link
EP (1) EP1045941B1 (fr)
JP (1) JP2002500301A (fr)
AT (1) ATE238464T1 (fr)
AU (1) AU9266298A (fr)
BR (1) BR9813122A (fr)
DE (2) DE19800164A1 (fr)
WO (1) WO1999035344A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10012389B4 (de) * 2000-03-14 2005-03-17 O & K Orenstein & Koppel Ag Arbeitsmaschine
DE102004027203B4 (de) * 2004-03-29 2010-01-14 Komatsu Hanomag Gmbh Arbeitsfahrzeug
CN102493507A (zh) * 2011-12-28 2012-06-13 山东临工工程机械有限公司 正转八连杆机构大理石托叉
CN102817384B (zh) * 2012-09-19 2014-09-24 江苏柳工机械有限公司 滑移转向装载机工作装置
JP6223300B2 (ja) * 2013-10-04 2017-11-01 株式会社クボタ フロントローダ
EP2857590B1 (fr) * 2013-10-04 2022-04-06 Kubota Corporation Chargeur frontal
CN107745975A (zh) * 2017-10-24 2018-03-02 天津市永昌焊丝有限公司 一种粉料翻转机箱及其输送装置
CN108381106B (zh) * 2018-03-19 2024-04-05 无锡洲翔成套焊接设备有限公司 一种双拼焊矫翻转装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711257A (en) * 1952-03-14 1955-06-21 Jaeger Machine Co Portable shovel loader
FR1563358A (fr) * 1967-04-21 1969-04-11
US3642159A (en) * 1970-08-19 1972-02-15 Massey Ferguson Inc Earthworking vehicle
US4156488A (en) * 1977-07-18 1979-05-29 Caterpillar Tractor Co. Cross-member assembly
US4364705A (en) * 1980-07-07 1982-12-21 J. I. Case Company Loader mechanism
US4609322A (en) * 1984-08-13 1986-09-02 Caterpillar Tractor Co. Mounting for a linkage arrangement
DE3808313A1 (de) * 1988-03-12 1989-09-28 Kramer Werke Gmbh Arbeitsfahrzeug, insbesondere schaufellader
SE462624B (sv) * 1988-12-06 1990-07-30 Vme Ind Sweden Ab Laenkarmsystem vid lastmaskiner
US5201235A (en) * 1992-04-20 1993-04-13 Caterpillar Inc. Linkage for loader bucket or other material handling device
US5695310A (en) * 1996-07-12 1997-12-09 Caterpillar Inc. Linkage arrangement for a loading machine
DE19702624A1 (de) * 1997-01-25 1998-07-30 Zettelmeyer Gmbh Lademaschine mit einer Anlenkkinematik für verschiedene Anbaugeräte, insbesondere Radlager-Kinematik

Also Published As

Publication number Publication date
DE19800164A1 (de) 1999-07-22
EP1045941A1 (fr) 2000-10-25
WO1999035344A1 (fr) 1999-07-15
DE59808101D1 (de) 2003-05-28
AU9266298A (en) 1999-07-26
JP2002500301A (ja) 2002-01-08
ATE238464T1 (de) 2003-05-15
BR9813122A (pt) 2000-10-10

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