EP0833012B1 - Véhicule de manutention mécanique - Google Patents

Véhicule de manutention mécanique Download PDF

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Publication number
EP0833012B1
EP0833012B1 EP97307589A EP97307589A EP0833012B1 EP 0833012 B1 EP0833012 B1 EP 0833012B1 EP 97307589 A EP97307589 A EP 97307589A EP 97307589 A EP97307589 A EP 97307589A EP 0833012 B1 EP0833012 B1 EP 0833012B1
Authority
EP
European Patent Office
Prior art keywords
material handling
subframe
section
vehicle according
handling 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 - Lifetime
Application number
EP97307589A
Other languages
German (de)
English (en)
Other versions
EP0833012A1 (fr
EP0833012B8 (fr
Inventor
David Michael Forrester
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.)
JC Bamford Excavators Ltd
Original Assignee
JC Bamford Excavators Ltd
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 JC Bamford Excavators Ltd filed Critical JC Bamford Excavators Ltd
Publication of EP0833012A1 publication Critical patent/EP0833012A1/fr
Publication of EP0833012B1 publication Critical patent/EP0833012B1/fr
Application granted granted Critical
Publication of EP0833012B8 publication Critical patent/EP0833012B8/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
    • 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
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment

Definitions

  • This invention relates to a material handling vehicle, hereafter referred to "the kind specified” comprising a chassis, a pair of front and a pair of rear ground engageable wheels, a material handling implement movably mounted on the vehicle, drive means for moving the material handling implement relative to the vehicle, an engine for driving said rear wheels and supplying power to said drive means and a station for a operator.
  • An object of the invention is to provide a new and improved material handling vehicle of the kind specified.
  • a material handling vehicle of the kind specified comprising a subframe provided with mounting means for the rear wheels and for the engine and the subframe being carried on a part of said chassis by vibration isolation attachment means.
  • the vehicle may be an articulated vehicle wherein said chassis part comprises a rear chassis part and the vehicle also comprising a front chassis part which is articulated to the rear chassis part for steering movement relative thereto.
  • the rear chassis part may carry said station for an operator.
  • the front chassis part may have said material handling implement and said drive means mounted thereon.
  • the material handling implement may be mounted for up and down movement.
  • the material handling implement may be mounted on a mast of fork lift truck type.
  • the material handling implement may be mounted on a boom assembly mounted for pivotable movement about a horizontal axis.
  • Said vibration isolation attachment means may comprise at least one resiliently deformable member.
  • Said vibration isolation attachment means may comprise a section of said chassis part which overlies a section of the subframe, a resiliently deformable member disposed therebetween, and a rigid member to restrain separation of, and extending generally perpendicular to, said section of the chassis part and said section of the subframe.
  • Said vibration isolation attachment means may attach the subframe to the chassis part such that the subframe is carried by the chassis part, said rigid member comprising a bolt passing through corresponding apertures provided on the chassis part and the subframe, the bolt further passing through a pair of resiliently deformable members disposed above and below the subframe and in contact with said subframe, the resiliently deformable member disposed between the subframe and the chassis also being in contact with the chassis part, a base plate being disposed below the lower resiliently deformable member and in contact therewith.
  • the vibration isolation attachment means may further comprise a spacer disposed within the aperture in the subframe and having a central bore through which the bolt is passed.
  • a boss may be provided on the subframe of the chassis part through which the bolt also passes.
  • Compressive force may be applied to the vibration isolation attachment means by means of a nut attached to the bolt.
  • Said resiliently deformable members may comprise a generally flat body having a hole through which the bolt, or where appropriate the spacer, may be received, and having a section projecting from the surface of the body adapted to be received in the aperture of the subframe.
  • Said resiliently deformable members may comprise rubber, such as nitrile rubber.
  • a plurality and preferably four of said vibration isolation attachment means may be provided.
  • Said subframe may be provided with buffer means to limit the range of movement of said subframe.
  • Said buffer means may comprise a buffer comprising a further resiliently deformable member disposed such that each buffer faces a part of the chassis.
  • Said buffer means may be provided for limiting side to side motion and/or fore and aft motion of the subframe.
  • Buffer means for limiting fore and aft motion may comprise a pair of supports projecting generally vertically from said subframe section and having said buffers facing one another, said buffers being disposed so that a member of the chassis is disposed between said buffers.
  • Said buffer means for limiting fore and aft motion may comprise a mounting block having a relatively massive body having two, preferably generally vertical, projections which provide spaced parallel abutment surfaces, the block being attached beneath the subframe such that the projections pass through apertures in the subframe.
  • the chassis part may comprise a pair of generally parallel longitudinal members having a forward end and a rearward end, a first transverse member connected between said longitudinal members disposed towards the forward end of the longitudinal members, and a second transverse member disposed rearwardly of the first transverse member.
  • said second transverse member may comprise said member.
  • Said second transverse member may be a box section member.
  • Apertures may be provided in the chassis part with which attachment means may engage to attach said subframe to said chassis part.
  • Said apertures may be provided in projecting members extending inwardly from each longitudinal member.
  • Such apertures may also be provided in said second transverse member.
  • the subframe may comprise a generally flat forward section from which a pair of arms may project forwardly, a generally flat intermediate section disposed at a level below the forward section, an inclined section connecting the forward and intermediate sections and a further inclined section projecting upwardly and rearwardly of said intermediate section.
  • the subframe may be disposed such that the forward section projects generally forwardly of the second transverse member, and the rearward section projects generally rearwardly of said second transverse member.
  • Said attachment means may be provided in the forward section.
  • the wheel mounting means may be provided on the forward section and the engine mounting means may be provided on a rearward section.
  • the engine mounting means may comprise a plurality and preferably four towers, extending upwardly from the subframe.
  • Each tower may comprise a pair of generally vertical members connected at their upper ends by a generally horizontal member.
  • Figures 1-3 show a machine of the kind specified at 10 having a front part 10a and a rear part 10b which are articulated together in conventional manner by an articulated joint shown at 10c and suitable hydraulic ram means 10d are provided between the rear part 10b and the front part 10a for steering movement about the articulation joint.
  • an articulated joint shown at 10c and suitable hydraulic ram means 10d are provided between the rear part 10b and the front part 10a for steering movement about the articulation joint.
  • + or - about 45° of movement about a generally vertical axis may be provided for steeling.
  • the articulation joint may provide a limited amount of movement in a generally vertical plane, for example of the order of or - 10°.
  • the front part 10a has a front chassis part 11a which is connected to a rear chassis part 11b by the articulated joint 10c.
  • the front chassis part 11a has a pair of front wheels 12 and a pair of vertical pillars 14 each of which carries an arm 15 of a boom assembly carrying at their forward ends a bucket 16 or other material handling implement.
  • a drive means comprising a hydraulic ram 17 is connected between each pillar 14 and each arm 15 for raising and lowering the implement 16 about the pivotable connection to the pillars 14.
  • a suitable crowd ram 17a is provided to tilt the material handling implement by a suitable linkage.
  • the rear chassis part 11b carries a pair of rear wheels 13, an operators station 18 in the form of an operators cab and an engine compartment 19 disposed at the rear of the cab 18.
  • the rear chassis section part 11b comprises a pair of generally parallel plate like longitudinal members 21 connected at their forward ends by a box section transverse member 22 and rearwardly thereof by a second box section transverse member 23.
  • Four apertures 24 are provided in the main rear chassis part 11b with which attachment means 40 are engaged. Said apertures 24 are located in the second transverse member 23 and in generally horizontal inward projections 25 attached to each of the longitudinal members 21.
  • a subframe 30 comprises apertures 31 for mounting means for a conventional rear axle 13b for the wheels 13, not shown in Figure 4 and a mounting means 32 for an engine E.
  • the subframe comprises a generally flat forward section 33 from which a pair of arms 34 project forwardly. Apertures 35 corresponding to the apertures 24 in the main rear chassis section are provided in the forward section 33 and arms 34.
  • the subframe 30 comprises a generally flat section 36 attached to the forward section 33 by an inclined part 37, and a further inclined section 38 projecting forwardly and upwardly of the part 36.
  • Said engine mount 32 comprises towers having a pair of parallel generally vertical members 39 joined at the upper ends by a generally horizontal section 39a wherein resilient mounting means are provided to enable the engine to the attached to the mounts 32.
  • An attachment means 40 is shown in transverse section in Figure 5, comprising a bolt 51 which passes through a boss 57 welded to the upper surface of chassis part 11b, apertures 24 and 35 on the chassis part 11b and the subframe 30 respectively and has at its lower end a nut 52.
  • Resiliently deformable vibration isolation members 53, 54 are disposed above and below the subframe 30.
  • the vibration isolation members comprise nitrile rubber members having a shore hardness of 60-70 shore but may comprise other rubber members and may have a shore hardness lying in the range 50-80 and preferably 60-70 shore, or members which provide vibration isolation in any other desired way.
  • a base plate 55 is disposed below vibration isolation member 54 and a spacer 56 is disposed within the aperture 35. The base plate 55, vibration isolation member 54 and 53, spacer 56, subframe 30, and chassis part 11b are held in contact by pressure applied by the bolt 51 and nut 52.
  • Buffer means are provided to limit the horizontal fore-and-aft and side-to-side movement of the subframe.
  • the side-to-side buffer means comprise resiliently deformable buffer pads 42a disposed in D shaped apertures 42 formed in sides 43 of the rearward section 36 of the subframe, the buffer pads 42a facing outwards, and which abut adjacent parts 11c of the chassis part 11b.
  • the fore-and-aft buffer means 41 is disposed on the forward section 33 on the longitudinal axis of the subframe 30 with buffer surfaces 41a facing one another.
  • the second transverse member 23 is disposed between the buffer surfaces 41a.
  • the fore-and-aft buffer means 41 shown in transverse section in Figure 6 comprises a relatively massive body 60 welded to the subframe 30 comprising vertical projections 61, 62 which passes through the subframe 30 and provide generally vertical surfaces 63, 64. Attached to these surfaces 63, 64 are two plates 65, 66 each having a non-circular recess 67, 68 adapted to hold a resiliently deformable pad 69, 70 having the buffer surfaces 41a. With the subframe 30 attached to the chassis pail 11b, the pads 69, 70 engage the second transverse member 23 to restrict fore-and-aft movement to the subframe.
  • vibration isolation attachment means and buffer means may be disposed wherever is desirable.
  • the cab 18 is mounted in conventional manner by vibration isolation means to brackets 18a of the chassis part 11b.
  • a front end loader having a unitary chassis so that said front and rear chassis parts are an integral part of the unitary chassis.
  • the chassis may be of any desired configuration and the term is used herein to encompass a monocoque type construction where the or at least part of the body also provides a chassis.
  • the loader arm assembly may have a single arm, if desired.
  • the implement may be carried on a back-hoe if desired or be slidable up and down a fork lift type mast.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Shovels (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (20)

  1. Véhicule de manutention de matériau (10) comprenant un châssis (11a, 11b), une paire de roues avant et une paire de roues arrière qui peuvent s'engager dans le sol (12, 13), un outil de travail pour manutention de matériau (16) monté, de manière amovible, sur le véhicule (10), un moyen d'entraínement (17) pour déplacer l'outil de travail de manutention de matériau (16) par rapport au véhicule (10), un moteur (E) pour entraíner lesdites roues arrière (13), et alimenter en puissance ledit moyen d'entraínement (17) et une cabine (18) pour un opérateur, caractérisé par un cadre auxiliaire (30) muni de moyens de montage pour les roues arrière (13) et pour le moteur (E) et le cadre auxiliaire (30) étant porté par une partie dudit châssis par un moyen de fixation antivibrations (40).
  2. Véhicule de manutention de matériau selon la revendication 1, dans lequel le véhicule (10) est un véhicule articulé, dans lequel ladite partie de châssis comprend une partie de châssis arrière (11b) et le véhicule (10) comprend également une partie de châssis avant (11a) qui est articulée par rapport à la partie de châssis arrière (11b) pour assurer un mouvement d'orientation par rapport à celle-ci.
  3. Véhicule de manutention de matériau selon la revendication 2, dans lequel la partie de châssis arrière (11b) porte ladite cabine (18) pour un opérateur et dans lequel ledit outil de travail de manutention de matériau (16) et ledit moyen d'entraínement (17) sont montés sur la partie de châssis avant (11a).
  4. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel l'outil de travail de manutention de matériau (16) est monté pour assurer des mouvements vers le haut et vers le bas.
  5. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel l'outil de travail de manutention de matériau (16) est monté sur un ensemble de perche (15) monté pour assurer un mouvement pivotant autour d'un axe horizontal.
  6. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel ledit moyen de fixation antivibrations (40) comprend un élément déformable au plan élastique (33).
  7. Véhicule de manutention de matériau selon la revendication 6, dans lequel ledit moyen de fixation antivibrations (40) comprend une section de ladite partie de châssis (11b) qui est sus-jacente à une section du cadre auxiliaire (30), un élément déformable au plan élastique (53) étant disposé entre les deux, et un élément rigide (51) pour empêcher la séparation de, et qui s'étend, de manière générale, perpendiculairement à, ladite section de la partie de châssis (11b) et de ladite section du cadre auxiliaire (30).
  8. Véhicule de manutention de matériau selon la revendication 7, dans lequel des ouvertures (24, 35) sont prévues dans la partie de châssis (11b) et le cadre auxiliaire (30) et dans lequel ledit élément rigide (51) comprend un boulon qui passe à travers lesdites ouvertures (24, 35).
  9. Véhicule de manutention de matériau selon la revendication 8, dans lequel le boulon passe à travers ledit élément déformable au plan élastique (53) disposé entre le cadre auxiliaire (30) et la partie de châssis (11b), et à travers un autre élément déformable au plan élastique (54), disposé entre le cadre auxiliaire (30), chaque élément déformable au plan élastique (53, 54) étant en contact avec le cadre auxiliaire (36), l'élément déformable au plan élastique (53) disposé entre le cadre auxiliaire (30) et la partie de châssis (11b) étant également en contact avec la partie de châssis (11b), une plaque de base (55) étant disposée en dessous de l'élément déformable au plan élastique inférieur (54) et en contact avec celui-ci.
  10. Véhicule de manutention de matériau selon la revendication 8 ou la revendication 9, dans lequel le moyen de fixation antivibrations (40) comprend en outre une entretoise (56) disposée à l'intérieur de l'ouverture (35) dans le cadre auxiliaire (30) et possédant un alésage central à travers lequel passe le boulon (51).
  11. Véhicule de manutention de matériau selon l'une quelconque des revendications 8 à 10, dans lequel une force de compression est appliquée sur le moyen de fixation antivibrations (40) au moyen d'un écrou (52) fixé sur le boulon (51).
  12. Véhicule de manutention de matériau selon l'une quelconque des revendications 8 à 11, dans lequel ledit élément déformable au plan élastique (53, 54) comprend un corps généralement plat possédant un trou dans lequel le boulon (51), ou, le cas échéant l'entretoise (56) est reçu(e), une section faisant saillie à partir de la surface du corps étant conçue pour être reçue dans une ouverture du cadre auxiliaire.
  13. Véhicule de manutention de matériau selon la revendication 12, dans lequel lesdits éléments déformables au plan élastique (53, 54) comprennent du caoutchouc.
  14. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel ledit cadre auxiliaire (30) est muni de moyens tampons (42a) destinés à limiter le roulis du cadre auxiliaire (30).
  15. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel ledit cadre auxiliaire (30) est muni de moyens tampons (41) destinés à limiter le tangage du cadre auxiliaire (30)
  16. Véhicule de manutention de matériau selon la revendication 15, dans lequel lesdits moyens tampons (41) destinés à limiter le tangage comprennent une paire de supports (61, 62) qui font saillie à partir de ladite section de cadre auxiliaire (30) et possédant des tampons déformables au plan élastique (69, 70), qui se font face, lesdits tampons (69, 70) étant disposés de façon qu'un élément (23) du châssis soit disposé entre eux.
  17. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel la partie de châssis (11b) comprend une paire d'éléments longitudinaux généralement parallèles (21) possédant une extrémité avant et une extrémité arrière, un premier élément transversal (22) étant raccordé entre lesdits éléments longitudinaux disposés vers l'extrémité avant des éléments longitudinaux, et un second élément transversal (23) étant disposé vers l'arrière du premier élément transversal (22), ledit second élément transversal (23) étant un élément à section rectangulaire.
  18. Véhicule de manutention de matériau selon la revendication 17, dans lequel des ouvertures (24) sont prévues dans la partie de châssis (11b) dans laquelle ledit moyen de fixation antivibrations (40) peut s'engager pour fixer ledit cadre auxiliaire (30) à ladite partie de châssis (11b), et dans lequel lesdites ouvertures (24) sont prévues dans des éléments faisant saillie (25), qui s'étendent vers l'intérieur à partir de chaque élément longitudinal (21).
  19. Véhicule de manutention de matériau selon l'une quelconque des revendications précédentes, dans lequel le cadre auxiliaire (30) comprend une section avant généralement plate (33) à partir de laquelle une paire de bras (34) fait saillie vers l'avant, une section intermédiaire généralement plate (36) disposée à un niveau inférieur à la section avant, une section inclinée (37) raccordant les sections avant (33) et intermédiaire (36) et une autre section inclinée (38) faisant saillie vers le haut et vers l'arrière de ladite section intermédiaire (36).
  20. Véhicule de manutention de matériau selon la revendication 19, lorsqu'elle dépend de la revendication 17 ou de la revendication 18, dans lequel le cadre auxiliaire (30) est disposé de telle façon que la section avant (33) fait saillie généralement vers l'avant dudit second élément transversal (23), et une section arrière (36) fait saillie généralement vers l'arrière dudit second élément transversal (23), ledit moyen de fixation antivibrations (40) et ledit moyen de montage des roues arrière (13) étant fournis sur la section avant (33) et ledit moyen de montage (32) du moteur étant fourni sur la section arrière (36).
EP97307589A 1996-09-27 1997-09-26 Véhicule de manutention mécanique Expired - Lifetime EP0833012B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9620177.7A GB9620177D0 (en) 1996-09-27 1996-09-27 Mechanical handling vehicle
GB9620177 1996-09-27

Publications (3)

Publication Number Publication Date
EP0833012A1 EP0833012A1 (fr) 1998-04-01
EP0833012B1 true EP0833012B1 (fr) 2001-09-05
EP0833012B8 EP0833012B8 (fr) 2002-04-17

Family

ID=10800594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97307589A Expired - Lifetime EP0833012B8 (fr) 1996-09-27 1997-09-26 Véhicule de manutention mécanique

Country Status (5)

Country Link
EP (1) EP0833012B8 (fr)
JP (1) JPH10114958A (fr)
KR (1) KR19980025082A (fr)
DE (1) DE69706495T2 (fr)
GB (2) GB9620177D0 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004018646A1 (de) 2004-04-16 2005-11-10 Liebherr-Werk Nenzing Gmbh, Nenzing Flurförderfahrzeug
CN101548048B (zh) 2006-11-24 2011-07-27 株式会社小松制作所 轮式装载机
JP5009933B2 (ja) * 2006-12-08 2012-08-29 株式会社小松製作所 ホイールローダ
JP6189241B2 (ja) 2014-03-26 2017-08-30 株式会社クボタ 作業機

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1149254B (de) * 1957-07-25 1963-05-22 Zkl Zd Y Na Valiva Loziska A T Schlepper
FR2098846A5 (fr) * 1970-07-29 1972-03-10 Chrysler France
US3866781A (en) * 1973-10-25 1975-02-18 Caterpillar Tractor Co Underground mining machine
ZA761389B (en) * 1975-04-07 1977-02-23 Dresser Ind Mine vehicle
DE2713383C2 (de) * 1977-03-25 1988-07-07 International Harvester Company Mbh, 4040 Neuss Kraftfahrzeug, insbesondere Ackerschlepper
DE2815019A1 (de) * 1978-04-07 1979-10-18 Schopf Masch Lader, insbesondere schaufellader fuer den untertaegigen einsatz in bergbaubetrieben
DE3217959C2 (de) * 1982-05-13 1993-12-09 Porsche Ag Vorrichtung zur vibrationsisolierten Befestigung eines Fahrschemels oder Aggregathalters
JPS60197472A (ja) * 1984-03-21 1985-10-05 Daihatsu Motor Co Ltd 車体の支持構造
JP2513243Y2 (ja) * 1991-02-28 1996-10-02 三菱重工業株式会社 産業車両のエンジン防振支持構造
GB2275031B (en) * 1993-02-05 1996-04-24 Holset Engineering Co A drive assembly
GB2289656B (en) * 1994-05-16 1997-08-06 Artix Ltd Material handling machine

Also Published As

Publication number Publication date
EP0833012A1 (fr) 1998-04-01
DE69706495T2 (de) 2002-04-18
GB2318550A (en) 1998-04-29
EP0833012B8 (fr) 2002-04-17
DE69706495D1 (de) 2001-10-11
KR19980025082A (ko) 1998-07-06
JPH10114958A (ja) 1998-05-06
GB9620177D0 (en) 1996-11-13
GB2318550B (en) 2000-09-20
GB9720402D0 (en) 1997-11-26

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