EP3610077A4 - Lifting arrangement for wheel loader - Google Patents

Lifting arrangement for wheel loader Download PDF

Info

Publication number
EP3610077A4
EP3610077A4 EP18902945.7A EP18902945A EP3610077A4 EP 3610077 A4 EP3610077 A4 EP 3610077A4 EP 18902945 A EP18902945 A EP 18902945A EP 3610077 A4 EP3610077 A4 EP 3610077A4
Authority
EP
European Patent Office
Prior art keywords
wheel loader
lifting arrangement
lifting
arrangement
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.)
Withdrawn
Application number
EP18902945.7A
Other languages
German (de)
French (fr)
Other versions
EP3610077A1 (en
Inventor
Sean Plante
Edward Wagner
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.)
Guangxi Liugong Machinery Co Ltd
Original Assignee
Guangxi Liugong Machinery Co 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
Priority claimed from CN201810076343.4A external-priority patent/CN108301448B/en
Application filed by Guangxi Liugong Machinery Co Ltd filed Critical Guangxi Liugong Machinery Co Ltd
Publication of EP3610077A1 publication Critical patent/EP3610077A1/en
Publication of EP3610077A4 publication Critical patent/EP3610077A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/422Drive systems for bucket-arms, front-end loaders, dumpers or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/283Dredgers; 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 single arm pivoted directly on the chassis
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/34Dredgers; 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
    • E02F3/3405Dredgers; 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/34Dredgers; 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
    • E02F3/3405Dredgers; 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
    • E02F3/3408Dredgers; 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 parallelogram-type
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/34Dredgers; 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
    • E02F3/3405Dredgers; 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
    • E02F3/3411Dredgers; 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/34Dredgers; 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
    • E02F3/3417Buckets emptying by tilting
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/34Dredgers; 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
    • E02F3/342Buckets emptying overhead
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/38Cantilever 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2264Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2271Actuators and supports therefor and protection therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08Superstructures; Supports for superstructures
    • E02F9/0841Articulated frame, i.e. having at least one pivot point between two travelling gear units

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)
  • Manipulator (AREA)
EP18902945.7A 2018-01-26 2018-11-23 Lifting arrangement for wheel loader Withdrawn EP3610077A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810076343.4A CN108301448B (en) 2018-01-26 2018-01-26 Working device of loader
PCT/CN2018/117219 WO2019144685A1 (en) 2018-01-26 2018-11-23 Lifting arrangement for wheel loader

Publications (2)

Publication Number Publication Date
EP3610077A1 EP3610077A1 (en) 2020-02-19
EP3610077A4 true EP3610077A4 (en) 2021-01-06

Family

ID=73572397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18902945.7A Withdrawn EP3610077A4 (en) 2018-01-26 2018-11-23 Lifting arrangement for wheel loader

Country Status (4)

Country Link
US (1) US20200173134A1 (en)
EP (1) EP3610077A4 (en)
CN (1) CN110785527A (en)
WO (1) WO2019144685A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872991A (en) * 1972-08-28 1975-03-25 Caterpillar Tractor Co Vehicle loader linkage means
US6106217A (en) * 1998-08-14 2000-08-22 Caterpillar Inc. Lift arm arrangement of a construction machine
US20020085905A1 (en) * 2000-12-29 2002-07-04 Case Corporation Lift arm structure for a work vehicle
EP1997960A2 (en) * 2007-05-25 2008-12-03 AGCO GmbH Linkage for a front loader
WO2010030888A2 (en) * 2008-09-12 2010-03-18 Caterpillar Inc. Lift arm and machine equipped with the lift arm
US20140010623A1 (en) * 2012-07-06 2014-01-09 Caterpillar, Inc. Lift Arm Cross Member
EP3051031A1 (en) * 2015-02-02 2016-08-03 Guangxi LiuGong Machinery Co., Ltd. Lifting arrangement for a construction machine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478747A (en) * 1945-08-03 1949-08-09 Link Belt Speeder Corp Front end tractor implement
US2929521A (en) * 1958-04-07 1960-03-22 Hough Co Frank Tractor loader
US3122248A (en) * 1961-08-10 1964-02-25 Caterpillar Tractor Co Loader bucket with ejector
DD235443A1 (en) * 1985-03-20 1986-05-07 Inst F Baumechanisierung Dresd HEBEGERAET
US5511932A (en) * 1994-11-22 1996-04-30 New Holland North America, Inc. Skid steer loader boom control system
KR100979429B1 (en) * 2008-02-27 2010-09-02 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 upper frame of construction equipment
CN202370016U (en) * 2011-08-24 2012-08-08 三一重机有限公司 Excavator boom
DE102012002041A1 (en) * 2011-12-01 2013-06-06 Liebherr-Hydraulikbagger Gmbh Work tool with a boom
CN103161185B (en) * 2011-12-12 2015-12-23 厦门厦工机械股份有限公司 A kind of sliding loader perpendicular lifting apparatus
CN103485378A (en) * 2013-09-22 2014-01-01 江苏柳工机械有限公司 Working unit of loader
CN106193173A (en) * 2016-08-25 2016-12-07 广西柳工机械股份有限公司 There is the loader of translation linkage
CN207109890U (en) * 2017-05-04 2018-03-16 广西柳工机械股份有限公司 Working device of loader
CN108301448B (en) * 2018-01-26 2019-08-20 广西柳工机械股份有限公司 Working device of loader

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872991A (en) * 1972-08-28 1975-03-25 Caterpillar Tractor Co Vehicle loader linkage means
US6106217A (en) * 1998-08-14 2000-08-22 Caterpillar Inc. Lift arm arrangement of a construction machine
US20020085905A1 (en) * 2000-12-29 2002-07-04 Case Corporation Lift arm structure for a work vehicle
EP1997960A2 (en) * 2007-05-25 2008-12-03 AGCO GmbH Linkage for a front loader
WO2010030888A2 (en) * 2008-09-12 2010-03-18 Caterpillar Inc. Lift arm and machine equipped with the lift arm
US20140010623A1 (en) * 2012-07-06 2014-01-09 Caterpillar, Inc. Lift Arm Cross Member
EP3051031A1 (en) * 2015-02-02 2016-08-03 Guangxi LiuGong Machinery Co., Ltd. Lifting arrangement for a construction machine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019144685A1 *

Also Published As

Publication number Publication date
US20200173134A1 (en) 2020-06-04
WO2019144685A1 (en) 2019-08-01
CN110785527A (en) 2020-02-11
EP3610077A1 (en) 2020-02-19

Similar Documents

Publication Publication Date Title
EP3176332A4 (en) Wheel loader
EP3342937A4 (en) Wheel loader
EP3770339A4 (en) Excavator
EP3904273A4 (en) Forklift
EP3660226A4 (en) Wheel loader
EP4017824A4 (en) Grapple carriage
EP3660225A4 (en) Wheel loader
EP3656930A4 (en) Wheel loader
EP3822219A4 (en) Crane
EP3753896A4 (en) Crane
EP3753895A4 (en) Crane
EP3779053A4 (en) Excavator
EP3770344A4 (en) Excavator
EP3751060A4 (en) Excavator
EP3805144A4 (en) Crane
EP3763661A4 (en) Crane
EP3760793A4 (en) Excavator
EP3760499A4 (en) Lift
EP3342936A4 (en) Wheel loader
EP3656649A4 (en) Wheel loader
EP3653798A4 (en) Wheel loader
EP3786102A4 (en) Crane vehicle
EP3597586A4 (en) Crawler crane
EP3825273A4 (en) Crane
EP3822222A4 (en) Crane

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20191115

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20201203

RIC1 Information provided on ipc code assigned before grant

Ipc: E02F 3/38 20060101ALI20201127BHEP

Ipc: E02F 3/34 20060101AFI20201127BHEP

Ipc: E02F 9/08 20060101ALI20201127BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20210702