EP0909855B1 - Véhicule chargeur - Google Patents

Véhicule chargeur Download PDF

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Publication number
EP0909855B1
EP0909855B1 EP98119187A EP98119187A EP0909855B1 EP 0909855 B1 EP0909855 B1 EP 0909855B1 EP 98119187 A EP98119187 A EP 98119187A EP 98119187 A EP98119187 A EP 98119187A EP 0909855 B1 EP0909855 B1 EP 0909855B1
Authority
EP
European Patent Office
Prior art keywords
driver
vehicle according
enclosure
loader vehicle
loader
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
EP98119187A
Other languages
German (de)
English (en)
Other versions
EP0909855A2 (fr
EP0909855A3 (fr
Inventor
Gordon Edward Miller
David Arthur Doering
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP0909855A2 publication Critical patent/EP0909855A2/fr
Publication of EP0909855A3 publication Critical patent/EP0909855A3/fr
Application granted granted Critical
Publication of EP0909855B1 publication Critical patent/EP0909855B1/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
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • 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
    • 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
    • E02F9/006—Pivot joint assemblies
    • 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
    • E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails

Definitions

  • the invention relates to a loader vehicle with a frame structure, the transversely spaced frame side parts contains.
  • a lifting device of the loader vehicle has two extending in the vehicle longitudinal direction near the frame side parts Lifting arms on. From the frame side parts extend upwards two transversely spaced, between the Lifting arms with spaced post elements.
  • a Cab compartment trim arranged before and between the post elements.
  • joint structures in which the Cab compartment cladding is pivotally mounted so that they between a first operating position and a second can swing pivoted up and rear position.
  • Skid steer loaders so-called skid steer loaders or skid steer loaders, are small work machines with hydraulically driven Lifting arms articulated at their front ends mount mountable blades or other work tools. Of the middle section of the loader carries a driver's platform or -cabin.
  • loader components such as a hydrostatic transmission, steering linkage, hydraulic lines and Valves for driving the lifting arms, blades and additional functions, Hydraulic lines for the wheel motor drives and various electrical harnesses and connections, accommodated.
  • loader components such as a hydrostatic transmission, steering linkage, hydraulic lines and Valves for driving the lifting arms, blades and additional functions, Hydraulic lines for the wheel motor drives and various electrical harnesses and connections, accommodated.
  • Hydraulic lines for the wheel motor drives and various electrical harnesses and connections
  • the lift arms of the skid steer loader are along its side They can provide lateral access to the components block. Therefore, access from the front is often preferred. However, if it is a loader in which the Driver's cab can be moved forwards or tilted forwards, is excluded access from the front, so that the lift arms must be raised to provide access from the side of the Loader out. However, if the loader hydraulics is not ready, the lift arms are not easy so that access to the components becomes difficult. To overcome this problem, have some skid steer loaders a tilting back to the driver's cab.
  • skid steer loader with lift arms equip that lift vertically so that the vertical height the bucket and its reach are maximized forward can and it is easier to load the loading shovel into a truck to empty.
  • both the front and the rear ends of the lift arms so determined that the blade along a substantially vertical path.
  • the rear areas are articulated connected with handlebars, which is a vertical lifting of the rear Allow ends of the lifting arms.
  • handlebars are sometimes on vertically upstanding frame structures of the loader attached to increase the vertical reach of the arms. Since the handlebars also allow a pivoting movement of the arms, The arms can move forward when lifting what the ability to load over the side of a truck in these to empty, improved.
  • Such solutions are by the US-A-5,609,464 and GB-A-2 278 826.
  • both the lift arms as well as the loading bucket and their load must be able to she trained reinforced with one or more cross members become.
  • the lifting arms carrying the lifting arms often with one or more transversely extending cross members stiffened.
  • the mentioned cross member can when pivoting the driver's cab to the rear pose an obstacle and the extent to which pivoting up and down is possible to significantly limit.
  • the available working area under the rear raised Cab which is responsible for maintenance and repairs to the Vehicle components is available, limited.
  • the object underlying the invention is seen therein a generic loader vehicle in such a way that the overcome problems mentioned above.
  • a skid steer loader with a cab to have, which swivel up and back leaves sufficient and convenient access to the Vehicle components from the front of the vehicle provide.
  • This is especially desirable when the loader vehicle connecting elements between its frame structure and rear portions of the lift arm having a allow vertical lifting of the lifting arms.
  • support post for fastening the Hubarmitatisetti which make it possible for the Lifting the lift arms beyond the loader frame, their vertical Height and reach is maximized forward, so that Tipping material from the side of a truck into it leaves.
  • a stiffening component provide stabilized by the Hublenker and posts and which the use of less expensive trained support structures for the posts allows. It is Furthermore, it is desirable to hang the cab so that their bottom and rear area are beyond the access of the Move workspace up and not through Disables cross members in their upward and backward movement or be limited. Furthermore, it is desirable that Parts of the driver's cab, in particular the size of their frame parts, keep as small as possible. It is also desirable To provide power means, the lifting of the cab support and work well even if the hydraulic or electrical power system should collapse. It would also be an advantage, the releasable locking allow the driver's cab in its raised position.
  • a skid steer loader has a vertical Liftable lifting device with two lifting arms and one Cab compartment trim, in particular a driver's cab, on, which can then be swung up and back, when the hydraulics and electrics of the loader complete fails.
  • the cab is with its rear area at the top End of an upright supporting component, in particular a Tragpfostens, articulated so that a high pivot point for the upward pivoting of the cab results and the Poles during pivoting as bearing frame parts for serve the driver's cab.
  • the joint structures are at the top, Rear area of the cab mounted so that when Swinging up the floor and the rear area of the Driver's cab essentially lifted off the loader components and a sufficient work area for Expose service work.
  • the Hublenker which is a vertical Lifting the lift arms allow are also on the support post hinged, in such a way that their vertical lifting height and reach forward to maximize and simplify the design becomes. Between the posts and the ends of the Hublenker or the ends of the lifting arms is a stiffening cross member arranged, which stabilizes the posts and Hublenker, so that can minimize the required post strength.
  • the articulated structures of the driver's cab are nearby and something in front of the cross member, so that a collision between Driver's cab and cross member is avoided when the Driver's cab for access to the vehicle components is pivoted above and behind.
  • the cross member and the Joint structures for the cab and the Hinges for the Hublenker are located nearby the upper end of the support posts. This results in a improved view to the rear.
  • FIGs 1, 2 and 3 illustrate a skid steer loader 10, also called slip-loader or skid steer, with vertical lifting arms 12 and a pivotable backwards Cabin panel 14, which also serves as a complete cab could be trained.
  • a skid steer loader 10 also called slip-loader or skid steer
  • vertical lifting arms 12 and a pivotable backwards Cabin panel 14, which also serves as a complete cab could be trained.
  • On the vehicle frame 16 are an im rear vehicle area suspended engine 18 and front and Rear wheels 20, 22 attached.
  • the rear wheels 22 can be independently drive. They are with their associated front wheels 20 through not shown chain drives coupled.
  • the driver compartment panel 14 is in the middle, between the lifting arms 12 worn lying area.
  • the lifting arms 12 are formed so that they at their front Ends loading buckets or similar tools can accommodate. Their attachment to the frame 16 leaves a substantially vertical lifting too. To enable such a movement each of the two lifting arms 12 is at a first Hublenkerelement 26, which is located between a middle Area of the frame 16 and a lower rear portion 28th of the lifting arm 12 extends, pivotally mounted. Second, Upper link members 30 are arcuate. she articulated connect the upper, rear portion 32 of the associated lifting arm 12 with one of the upright left or right post 34, which is in the rear of the vehicle frame 16 are fixed and protrude from this upwards. Between the vehicle frame 16 and each lift arm 12 is a Hydraulic cylinder 36 for raising and lowering the lifting arm 12th arranged.
  • the driver compartment trim 14 which is best seen in FIGS 4, contains a base 38, also basic construction called, which essentially has a bottom 40 with integrated Side and rear walls 42, 44, tubular side parts 46, which protrude from the side walls 42 and up to the Posts 34 extend, a roof 48 with a forward projecting tubular frame 50 and side guards 52 has.
  • the upright posts 34 in the rear of the Loaders 10 form an additional rollover protection structure for the driver's compartment panel 14.
  • the driver's compartment panel 14 further includes a seat 54 secured to the base 38 and various measuring instruments. In the area of the front edge the driver compartment cover 14 protrude from the vehicle frame 16 from a respective control lever 56, 58 for the left and the right Wheels up. Fastening means in the form of screws 60 and nuts 61 (see Figs. 3 and 10) secure each side of the Cab compartment trim 14 on the vehicle frame 16 and hold they firmly in their operating position.
  • Figures 3 and 4 show the loader 10 with a Cabin trim 14, located in its upper, to the rear pivoted position and thus access to various charging components housed under it.
  • the components are one hydrostatic transmission 62, steering linkage, which the Control lever 56, 58 with the hydrostatic transmission 62nd connect, hydraulic valves 64 with connected lines for driving the lifting arms 12, the loading shovel 24 and additional loader functions, hydraulic lines for the Wheel motor drives and various electrical harnesses and Links.
  • each hinge structure 66 includes a lifting eye 68, the one of the tubular side parts 46 is attached and of stick it out to the rear.
  • screws 70 are the Support eyelets 68 between the inner wall 72 and the outer wall 74 of the respective post 34 held. Every screw 70 has a thread at one end.
  • nuts are the Screws 70 on the inner walls 72 and the outer walls 74th the post 34 secured.
  • a reinforcing cross member 78 extends between the upper ends of the posts 34 just behind the Articulated structures 66. It has according to a preferred embodiment a substantially C-shaped profile on which a cover 79th is attached. The opposite ends of the reinforcement cross member 78 abut against the inner walls 72 of the posts 34 and are welded at 80 with these (see Fig. 6). Of the Reinforcement cross member 78 stiffened not only the post 34th but also stabilizes the upper ends of the link elements 30 and makes cross member between the upper ends of the Handlebar elements 30 superfluous.
  • the loader 10 is used as well as similar known loaders equipped with vertical lifting arms 12 are, d. h., it is possible to pick up material and to Dispose of waste on one side in a truck. Should occur with the loader 10 mechanical problems or Maintenance work will be necessary, providing access to Vehicle components, which under the cab compartment require, so the operator can be simple Move the cab panel up and into the rear in the Swivel Fig. 3 illustrated position.
  • the Displacement movement of the control lever 56, 58 is determined by the Interaction between the base of the ground 40 and the Eccentric discs 96 which are connected to the rotary shafts 98 of the control lever 56, 58 are fixed causes.
  • This feature is the subject a European patent application with the priority US 953,560 of October 17, 1997, the disclosure of which is hereby incorporated by reference is taken to avoid repetition.
  • locking means which are arranged on at least one of the gas cylinders 94, be pressed to the driver compartment panel 14 in their to carry raised position.
  • the locking means are in In connection with a gas cylinder 94 in FIGS. 8 and 9 shown in more detail. They contain a lower one at the lower end Sleeve 102 a seat 100, which endeavors is the Gas cylinder rod 104 including an angle to the lower Sleeve 102 to wear.
  • the seat 100 urges the lower Sleeve 102 from its aligned with an upper sleeve 106 Location.
  • the locking means the gas cylinder 94 released from their engagement, so that the gas cylinder 94 can contract. This will achieved by the lower cylinder sleeve 102 against the Preload the seat 100 inward to the cylinder rod 104 is pressed, so that the lower sleeve 102 with the upper Sleeve 106 is aligned. Once the sleeves 102, 106 are aligned, will pressed the cab compartment 14 down, the Retract gas cylinder 94.
  • the joint structures for the driver compartment trim 14 and the lifting arms mounted very high on the usual support post are rich, the lifting arms 12 when lifting very high and after at the front so that loads are dumped over the side of trucks can be. Furthermore, thereby the driver's compartment lining 14 raised far above the loader components as well the view to the rear can be improved. Compared to previous ones Vehicles is a smaller number of less expensive Components required for the production of the loader.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shovels (AREA)
  • Body Structure For Vehicles (AREA)
  • Lifting Devices For Agricultural Implements (AREA)

Claims (11)

  1. Véhicule chargeur
    avec une structure de châssis (16) qui comprend des parties latérales de châssis éloignées transversalement les unes des autres,
    avec un dispositif de levage qui comporte deux bras de levage (12) s'étendant dans la direction longitudinale du véhicule à proximité des parties latérales de châssis,
    avec une paire d'éléments de montants (34) s'étendant vers le haut à partir des parties latérales de châssis, éloignés transversalement l'un de l'autre, placés entre les bras de levage (12) et
    avec un capotage de la cabine du chauffeur (14) qui est placé essentiellement devant et entre les éléments de montants (34),
    dans lequel des structures articulées (66), sur lesquelles le capotage de la cabine du chauffeur (14) est fixé de manière à pouvoir pivoter entre une première position de fonctionnement et une seconde position relevée vers le haut et vers l'arrière, sont disposées dans la zone supérieure des éléments de montants (34),
    caractérisé en ce qu'il est prévu des éléments de bielles (30) qui relient de manière articulée une zone arrière (32) respective des bras de levage (12) à une zone supérieure de l'élément de montant respectif (34), et en ce que les extrémités supérieures des éléments de bielles (30) sont reliées de manière pivotante aux montants (34).
  2. Véhicule chargeur selon la revendication 1, caractérisé en ce qu'au moins une traverse (78) s'étend entre les zones supérieures des deux éléments de montant (34) et en ce que les structures articulées (66) sont disposées à proximité de la traverse.
  3. Véhicule chargeur selon la revendication 2, caractérisé en ce que le capotage de la cabine du chauffeur (14) est ajusté de telle manière qu'il peut être pivoté vers le haut et vers l'arrière entre les éléments de montants (34) au-dessus de la traverse (78).
  4. Véhicule chargeur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les éléments de montants (34) servent d'éléments de construction porteurs arrière pour le capotage de la cabine du chauffeur (14), lorsque celui-ci se trouve dans sa position de fonctionnement.
  5. Véhicule chargeur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le capotage de la cabine du chauffeur (14) comprend une paroi arrière (44) s'étendant sensiblement verticalement et en ce que les structures articulées (66) se trouvent dans la zone du coin supérieur de la paroi arrière (44).
  6. Véhicule chargeur selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il est prévu au moins deux vérins à gaz (94) éloignés l'un de l'autre latéralement qui s'étendent chacun entre la structure de châssis et le capotage de la cabine du chauffeur (14) et qui sont supportés par le pivotement vers le haut du capotage de la cabine du chauffeur (14), et en ce qu'au moins un vérin à gaz (94) comporte des moyens de verrouillage amovibles pour bloquer le vérin à gaz (94) dans sa position sortie.
  7. Véhicule chargeur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le capotage de la cabine du chauffeur (14) comporte des zones (68) adjacentes à l'arrière et en haut, dans lesquelles les structures articulées (66) viennent en prise.
  8. Véhicule chargeur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les joints d'articulation (82) pour les éléments de bielles (30) sont placés à proximité des extrémités supérieures des éléments de montants (34).
  9. Véhicule chargeur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les structures articulées (66) sont disposées dans des zones (68) à l'arrière et en haut du capotage de la cabine du chauffeur (14).
  10. Véhicule chargeur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les éléments de bielles (30), à proximité immédiate des structures articulées (66), sont fixés de manière articulée aux éléments de montants (34).
  11. Véhicule chargeur selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les structures articulées (66), la traverse (78) ainsi que les joints d'articulation (82) sont tous fixés dans les zones d'extrémité supérieures correspondantes des éléments de montants (34).
EP98119187A 1997-10-17 1998-10-12 Véhicule chargeur Expired - Lifetime EP0909855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/954,290 US5941330A (en) 1997-10-17 1997-10-17 Operator enclosure
US954290 1997-10-17

Publications (3)

Publication Number Publication Date
EP0909855A2 EP0909855A2 (fr) 1999-04-21
EP0909855A3 EP0909855A3 (fr) 2001-03-07
EP0909855B1 true EP0909855B1 (fr) 2005-10-19

Family

ID=25495222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119187A Expired - Lifetime EP0909855B1 (fr) 1997-10-17 1998-10-12 Véhicule chargeur

Country Status (7)

Country Link
US (1) US5941330A (fr)
EP (1) EP0909855B1 (fr)
KR (1) KR100506960B1 (fr)
AU (1) AU731402B2 (fr)
CA (1) CA2242040C (fr)
DE (1) DE59813118D1 (fr)
ES (1) ES2247651T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102418352A (zh) * 2011-08-25 2012-04-18 临颍县颍机机械制造有限公司 一种四驱折腰前转向抓草机
CN102418352B (zh) * 2011-08-25 2014-06-04 临颍县颍机机械制造有限公司 一种四驱折腰前转向抓草机

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EP0909855A2 (fr) 1999-04-21
ES2247651T3 (es) 2006-03-01
AU8928698A (en) 1999-05-06
CA2242040A1 (fr) 1999-04-17
CA2242040C (fr) 2001-06-26
KR100506960B1 (ko) 2005-11-21
KR19990036487A (ko) 1999-05-25
EP0909855A3 (fr) 2001-03-07
AU731402B2 (en) 2001-03-29
DE59813118D1 (de) 2006-03-02
US5941330A (en) 1999-08-24

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