DE20111768U1 - Wheel loader - Google Patents

Wheel loader

Info

Publication number
DE20111768U1
DE20111768U1 DE20111768U DE20111768U DE20111768U1 DE 20111768 U1 DE20111768 U1 DE 20111768U1 DE 20111768 U DE20111768 U DE 20111768U DE 20111768 U DE20111768 U DE 20111768U DE 20111768 U1 DE20111768 U1 DE 20111768U1
Authority
DE
Germany
Prior art keywords
cylinder
wheel loader
loader according
articulated
cross tube
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
DE20111768U
Other languages
German (de)
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.)
Liebherr Werk Bischofshofen GmbH
Original Assignee
Liebherr Werk Bischofshofen 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 Liebherr Werk Bischofshofen GmbH filed Critical Liebherr Werk Bischofshofen GmbH
Priority to DE20111768U priority Critical patent/DE20111768U1/en
Publication of DE20111768U1 publication Critical patent/DE20111768U1/en
Priority to CA002446908A priority patent/CA2446908A1/en
Priority to PCT/EP2002/005619 priority patent/WO2002095142A1/en
Priority to US10/478,585 priority patent/US7162817B2/en
Priority to EP02753058A priority patent/EP1389250A1/en
Priority to RU2003136740/03A priority patent/RU2268963C2/en
Priority to CNB028104811A priority patent/CN1246539C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/422—Drive systems for bucket-arms, front-end loaders, dumpers or the like
    • 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
    • E02F3/30—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 a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/308—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 a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
    • 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

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)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (11)

1. Radlader mit Hubgerüst mit Z-Kinematik, die aus einem an den Fahrzeugrah­ men oder den Vorderwagen angelenkten Gerätearm (1) mit Hubzylinder (14) und aus einem an den Gerätearm (1) angelenkten wippenartigen Umlenkhe­ bel (7), an dessen Enden der Kippzylinder (9) und die Verbindungslasche (12) zum Verschwenken des Anbaugeräts (4) angelenkt sind, bestehen, wobei an das Hubgerüst Anbaugeräte, z. B. ein Grabgefäß oder ein Rundholzgreifer, anbaubar sind, dadurch gekennzeichnet, daß in Richtung des Anbaugeräts (4) vor dem den Kippzylinder (9) mit dem Fahrzeugrahmen verbindenden Gelenk (10) an das Hubgerüst mindestens ein Hydraulikzylinder (24, 25) angelenkt ist, dessen Kolbenstange (28, 29) gelen­ kig an der den Umlenkhebel (7) mit dem Kippzylinder (9) verbindenden Schwenkachse (8) angreift. 1. loaders with mast with Z-kinematics, the men, or from a to the Fahrzeugrah the front body hinged device arm (1) with lifting cylinder (14) and an articulated on the device arm (1) the rocker-like Umlenkhe bel (7), at the ends thereof the tilt cylinder ( 9 ) and the connecting strap ( 12 ) for pivoting the attachment ( 4 ) are articulated, with attachments to the mast, e.g. B. a digging vessel or a log grapple, can be attached, characterized in that at least one hydraulic cylinder ( 24 , 25 ) is articulated in the direction of the attachment ( 4 ) in front of the joint ( 10 ) connecting the tilting cylinder ( 9 ) to the vehicle frame to the lifting frame , whose piston rod ( 28 , 29 ) kig gelig on the pivot lever ( 7 ) with the tilt cylinder ( 9 ) connecting pivot axis ( 8 ) engages. 2. Radlader nach Anspruch 1, dadurch gekennzeichnet, daß der unterstützende Hydraulikzylinder (24, 25) gleichzeitig zusammen mit dem Kippzylinder (9) mit Drucköl beaufschlagt wird.2. Wheel loader according to claim 1, characterized in that the supporting hydraulic cylinder ( 24 , 25 ) is simultaneously acted upon together with the tilt cylinder ( 9 ) with pressure oil. 3. Radlader nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der unter­ stützende Hydraulikzylinder (24, 25) als Dämpfungszylinder geschaltet ist, wenn der Kippzylinder (9) eine die Kolbenstange (32) einfahrende Bewegung ausführt.3. Wheel loader according to claim 1 or 2, characterized in that the supporting hydraulic cylinder ( 24 , 25 ) is connected as a damping cylinder when the tilt cylinder ( 9 ) executes a movement of the piston rod ( 32 ). 4. Radlader nach einem der vorhergehenden Ansprüche, dadurch gekennzeich­ net, daß der unterstützende Hydraulikzylinder (24, 25) begrenzt schwenkbar an dem Hubgerüst gehalten ist und dessen Kolbenstange (28, 29) ein offenes schalenförmiges Stützlager (31) trägt, das außer Eingriff mit der den Umlenk­ hebel mit dem Kippzylinder verbindenden Schwenkachse (34) kommt, wenn bei angehobenem Hubgerüst und beim Verschwenken des Anbaugeräts nach oben der Kippzylinder (9) mit größerem Hebelarm an dem Umlenkhebel an­ greift.4. Wheel loader according to one of the preceding claims, characterized in that the supporting hydraulic cylinder ( 24 , 25 ) is pivotally held on the mast to a limited extent and whose piston rod ( 28 , 29 ) carries an open, shell-shaped support bearing ( 31 ) which disengages The pivot lever ( 34 ) connecting the deflection lever to the tilt cylinder comes when the tilt cylinder ( 9 ) engages with a larger lever arm on the deflection lever when the mast is raised and when the attachment is pivoted upwards. 5. Radlader nach einem der vorhergehenden Ansprüche, dadurch gekennzeich­ net, daß bei H-förmig ausgebildetem Gerätearm und an dem den H-Steg bil­ denden Querrohr (5) angelenktem Umlenkhebel (7) das Querrohr mit Lager­ stücken (21) zum Anlenken des Hydrozylinders (24, 25) versehen ist.5. Wheel loader according to one of the preceding claims, characterized in that with an H-shaped device arm and on the H-web bil denden cross tube ( 5 ) articulated lever ( 7 ) pieces the cross tube with bearings ( 21 ) for articulating the hydraulic cylinder ( 24 , 25 ) is provided. 6. Radlader nach einem der vorhergehenden Ansprüche, dadurch gekennzeich­ net, daß mit dem Querrohr (5) zwei Hydrozylinder (24, 25) begrenzt schwenk­ bar verbunden sind, deren Kolbenstangen (28, 29) durch ein Querjoch (30) miteinander verbunden sind, das das Stützlager (31) trägt.6. Wheel loader according to one of the preceding claims, characterized in that with the cross tube ( 5 ) two hydraulic cylinders ( 24 , 25 ) are pivotally connected to a limited extent, the piston rods ( 28 , 29 ) of which are connected to one another by a cross yoke ( 30 ), that carries the support bearing ( 31 ). 7. Radlader nach Anspruch 6, dadurch gekennzeichnet, daß die Schwenkachse (8), an der die Kolbenstange (32) des Kippzylinders (9) angreift, seitlich über die Schenkel (33) der diese mit dem Umlenkhebel (7) verbindenden Lagergabel unter Bildung von Achszapfen (34) verlängert ist und daß an diesen Achs­ zapfen seitliche mit dem Querjoch (30) verbundene Stützlager (31) angreifen.7. Wheel loader according to claim 6, characterized in that the pivot axis ( 8 ), on which the piston rod ( 32 ) of the tilt cylinder ( 9 ) engages, laterally via the legs ( 33 ) of these with the bellcrank ( 7 ) connecting bearing fork with formation of journal ( 34 ) is extended and that on this axle lateral support bearing ( 31 ) connected to the transverse yoke ( 30 ) engage. 8. Radlader nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß jeder der beiden Hydrozylinder (24, 25) durch ein U-förmiges Halteteil (21) mit dem Querrohr (5) verbunden ist, dessen einer Schenkel (23) mit dem Querrohr (5) verschweißt ist, daß jeder Hydrozylinder (24, 25) um eine zu dem Querrohr (5) parallele Schwenkachse mit dem Stegteil jedes Halteteils (21) verbunden ist, und daß die Schenkel auf ihren Innenseiten mit puffernden Anschlägen (27) versehen sind, zwischen denen die Zylinder (24, 25) verschwenkbar sind.8. Wheel loader according to claim 6 or 7, characterized in that each of the two hydraulic cylinders ( 24 , 25 ) is connected by a U-shaped holding part ( 21 ) to the cross tube ( 5 ), one leg ( 23 ) of which is connected to the cross tube ( 5 ) is welded so that each hydraulic cylinder ( 24 , 25 ) is connected to the web part of each holding part ( 21 ) about a pivot axis parallel to the cross tube ( 5 ), and that the legs are provided with buffering stops ( 27 ) on their inner sides, between which the cylinders ( 24 , 25 ) are pivotable. 9. Radlader nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß an den Umlenkhebel (7) oder einen radialen Arm oder einen Lagerschenkel des die seitlichen Gerätearme H-förmig verbindenden Querrohrs (5) ein Ende ei­ nes Lenkers (43) angelenkt ist, mit dessen anderem Ende eine Seite einer unterstützenden hydraulischen Druckmittel-Kolben-Zylindereinheit (40, 45) verbunden ist, daß das andere Ende der Druckmittel-Kolben-Zylindereinheit (40, 41) an oder in der Nähe der den Umlenkhebel (7) mit dem Kippzylinder (9) verbindenden Schwenkachse (8, 46) angelenkt ist und daß sich der Lenker (43) zum Zwecke der Unterstützung des Kippzylinders (9) zeitweise beim Ausfahren der Druckmittel-Kolben-Zylindereinheit (41) auf dem Querrohr ab­ stützt.9. Wheel loader according to one of claims 1 to 3, characterized in that on the bellcrank ( 7 ) or a radial arm or a bearing leg of the lateral device arms H-shaped connecting cross tube ( 5 ) one end of egg nes link ( 43 ) is articulated , at the other end of which one side of a supporting hydraulic pressure-piston-cylinder unit ( 40 , 45 ) is connected, that the other end of the pressure-piston-cylinder unit ( 40 , 41 ) at or in the vicinity of the bellcrank ( 7 ) the tilt cylinder ( 9 ) connecting pivot axis ( 8 , 46 ) is articulated and that the handlebar ( 43 ) for the purpose of supporting the tilt cylinder ( 9 ) is temporarily supported when the pressure medium piston-cylinder unit ( 41 ) extends from the cross tube. 10. Radlader nach Anspruch 9, dadurch gekennzeichnet, daß der Lenker (43) gelenkig auf der Schwenkachse des Umlenkhebels (7) gelagert ist, die von mit dem Querrohr (5) verbundenen gabelförmigen Lagerschenkeln (6) gehalten ist.10. Wheel loader according to claim 9, characterized in that the handlebar ( 43 ) is articulated on the pivot axis of the bell crank ( 7 ), which is held by the cross tube ( 5 ) connected fork-shaped bearing legs ( 6 ). 11. Radlader nach Anspruch 9 oder 10, dadurch gekennzeichnet, daß beidseits des Umlenkhebels (7) zwei Lenker (43) gelagert sind, die U-förmig durch ein Stegteil (44) miteinander verbunden sind, und daß an den Lenkern (43) oder dem Stegteil (44) zwei Druckmittel-Kolben-Zylindereinheiten (40, 41) gelagert sind, deren anderen Enden gelenkig mit überstehenden Achszapfen (46) der den Umlenkhebel (7) mit dem Kippzylinder (9) verbindenden Schwenkachse (8) gelenkig verbunden sind.11. Wheel loader according to claim 9 or 10, characterized in that on both sides of the bell crank ( 7 ) two links ( 43 ) are mounted, which are connected to each other in a U-shape by a web part ( 44 ), and that on the links ( 43 ) or the web part ( 44 ) is supported by two pressure-piston-cylinder units ( 40 , 41 ), the other ends of which are connected in an articulated manner to protruding axle journals ( 46 ) of the pivot axis ( 8 ) connecting the bell crank ( 7 ) to the tilt cylinder ( 9 ).
DE20111768U 2001-05-22 2001-07-17 Wheel loader Expired - Lifetime DE20111768U1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE20111768U DE20111768U1 (en) 2001-07-17 2001-07-17 Wheel loader
CA002446908A CA2446908A1 (en) 2001-05-22 2002-05-22 Wheel loader
PCT/EP2002/005619 WO2002095142A1 (en) 2001-05-22 2002-05-22 Wheel loader
US10/478,585 US7162817B2 (en) 2001-05-22 2002-05-22 Wheel loader
EP02753058A EP1389250A1 (en) 2001-05-22 2002-05-22 Wheel loader
RU2003136740/03A RU2268963C2 (en) 2001-05-22 2002-05-22 Truck loader (versions)
CNB028104811A CN1246539C (en) 2001-05-22 2002-05-22 Wheel loader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20111768U DE20111768U1 (en) 2001-07-17 2001-07-17 Wheel loader

Publications (1)

Publication Number Publication Date
DE20111768U1 true DE20111768U1 (en) 2001-12-06

Family

ID=7959350

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20111768U Expired - Lifetime DE20111768U1 (en) 2001-05-22 2001-07-17 Wheel loader

Country Status (1)

Country Link
DE (1) DE20111768U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027203A1 (en) * 2004-03-29 2005-11-10 Komatsu Hanomag Gmbh Working vehicle, especially wheel loader, has positions and spacing of bearings within lifting and tilting unit selected so that inclination of working tool relative to horizontal varies by 4 degrees at most during lifting movement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444288A1 (en) * 1973-09-27 1975-04-03 Clark Equipment Co STOPPER FOR MACHINERY AND PROCEDURE FOR ITS INSTALLATION
DE2832885A1 (en) * 1978-07-27 1980-02-14 Massey Ferguson Hanomag Inc & Hydraulically tilted shovel loader shovel adjustment - involves control slide abutment between electric stop switches on magnetic switches

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444288A1 (en) * 1973-09-27 1975-04-03 Clark Equipment Co STOPPER FOR MACHINERY AND PROCEDURE FOR ITS INSTALLATION
DE2832885A1 (en) * 1978-07-27 1980-02-14 Massey Ferguson Hanomag Inc & Hydraulically tilted shovel loader shovel adjustment - involves control slide abutment between electric stop switches on magnetic switches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027203A1 (en) * 2004-03-29 2005-11-10 Komatsu Hanomag Gmbh Working vehicle, especially wheel loader, has positions and spacing of bearings within lifting and tilting unit selected so that inclination of working tool relative to horizontal varies by 4 degrees at most during lifting movement
DE102004027203B4 (en) * 2004-03-29 2010-01-14 Komatsu Hanomag Gmbh working vehicle

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20020117

R150 Term of protection extended to 6 years

Effective date: 20041018

R151 Term of protection extended to 8 years

Effective date: 20070830

R158 Lapse of ip right after 8 years

Effective date: 20100202