EP2687638A4 - Wheel loader - Google Patents

Wheel loader

Info

Publication number
EP2687638A4
EP2687638A4 EP12758204.7A EP12758204A EP2687638A4 EP 2687638 A4 EP2687638 A4 EP 2687638A4 EP 12758204 A EP12758204 A EP 12758204A EP 2687638 A4 EP2687638 A4 EP 2687638A4
Authority
EP
European Patent Office
Prior art keywords
wheel loader
loader
wheel
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.)
Granted
Application number
EP12758204.7A
Other languages
German (de)
French (fr)
Other versions
EP2687638A1 (en
EP2687638B1 (en
Inventor
Koji Hyodo
Masaki Yoshikawa
Ei Takahashi
Wataru Isaka
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.)
KCM Corp
Original Assignee
Hitachi Construction 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
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP2687638A1 publication Critical patent/EP2687638A1/en
Publication of EP2687638A4 publication Critical patent/EP2687638A4/en
Application granted granted Critical
Publication of EP2687638B1 publication Critical patent/EP2687638B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E02F9/2004Control mechanisms, e.g. control levers
    • E02F9/2012Setting the functions of the control levers, e.g. changing assigned functions among operations levers, setting functions dependent on the operator or seat orientation
    • 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
    • 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
    • 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
    • E02F9/02Travelling-gear, e.g. associated with slewing gears
    • 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
    • E02F9/2058Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062Control of propulsion units
    • E02F9/2066Control of propulsion units of the type combustion engines
    • 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
    • E02F9/2058Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2079Control of mechanical transmission
    • 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
    • E02F9/2253Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05GCONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G9/00Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
    • G05G9/02Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only
    • G05G9/04Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously
    • G05G9/047Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
EP12758204.7A 2011-03-15 2012-03-15 Wheel loader Active EP2687638B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011057076 2011-03-15
PCT/JP2012/056714 WO2012124767A1 (en) 2011-03-15 2012-03-15 Wheel rotor

Publications (3)

Publication Number Publication Date
EP2687638A1 EP2687638A1 (en) 2014-01-22
EP2687638A4 true EP2687638A4 (en) 2014-12-17
EP2687638B1 EP2687638B1 (en) 2017-05-10

Family

ID=46830832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12758204.7A Active EP2687638B1 (en) 2011-03-15 2012-03-15 Wheel loader

Country Status (6)

Country Link
US (1) US20140003900A1 (en)
EP (1) EP2687638B1 (en)
JP (1) JP5814258B2 (en)
KR (1) KR101882406B1 (en)
CN (1) CN103370479B (en)
WO (1) WO2012124767A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6034773B2 (en) * 2013-11-13 2016-11-30 株式会社クボタ Working machine
CN103671888A (en) * 2013-12-18 2014-03-26 徐州凯尔农业装备股份有限公司 Electric control gear shifting device of roller tractor
WO2015064747A1 (en) 2014-10-31 2015-05-07 株式会社小松製作所 Wheel loader and wheel loader control method
JP6587279B2 (en) * 2015-07-03 2019-10-09 キャタピラー エス エー アール エル Travel control system for construction machinery
US10041229B2 (en) * 2015-11-02 2018-08-07 Caterpillar Inc. System and method for controlling operation of machine
JP6487822B2 (en) * 2015-11-05 2019-03-20 ヤンマー株式会社 Tractor
CN108301457B (en) * 2018-03-14 2021-02-19 华侨大学 Excavator start and stop control method
JP6806726B2 (en) * 2018-03-27 2021-01-06 日立建機株式会社 Work vehicle
EP3815983A4 (en) * 2018-06-29 2022-03-09 Kubota Corporation Work machine
CN109515537B (en) * 2018-11-16 2020-06-09 中联重科股份有限公司 Control method and system for crawler vehicle travelling mechanism and crawler vehicle
EP4015277A1 (en) * 2020-12-15 2022-06-22 Kubota Corporation Work vehicle, control method, control program and recording medium
CN112982538B (en) * 2021-02-24 2022-06-21 索特传动设备有限公司 Control method and device of wheel loader, wheel loader and storage medium
JP2023082323A (en) * 2021-12-02 2023-06-14 株式会社小松製作所 Cab and work machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050279561A1 (en) * 2004-06-22 2005-12-22 Caterpillar Inc. Work machine joystick control system
WO2009048364A1 (en) * 2007-10-08 2009-04-16 Svab Hydraulik Ab A control lever for operating a machine, a procedure for operating a machine via a control lever and the use of the control lever
US20090240406A1 (en) * 2005-12-22 2009-09-24 Komatsu Ltd. Engine control device for working vehicle
US7784581B1 (en) * 2006-09-14 2010-08-31 Deere & Company Machine control interlocks for an electrohydraulically controlled vehicle
WO2010147232A1 (en) * 2009-06-19 2010-12-23 日立建機株式会社 Motor control device for working vehicle
EP2277369A1 (en) * 2009-07-20 2011-01-26 CLAAS Selbstfahrende Erntemaschinen GmbH Multifunction handle

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000105618A (en) * 1998-07-28 2000-04-11 Komatsu Ltd Lever type signal generator
US6098481A (en) * 1998-12-15 2000-08-08 Caterpillar Inc. High force variable position detent mechanism
US6643577B1 (en) * 2002-08-22 2003-11-04 Caterpillar Inc Operator control station and method for a work machine having more than one function
FR2858861B1 (en) * 2003-08-11 2007-06-22 Manitou Bf INTERACTION CONTROL DEVICE WITH THE HAND OF AN OPERATOR
KR100621982B1 (en) * 2004-04-13 2006-09-14 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Apparatus for setting function of switches of working vehicle
US9074352B2 (en) * 2006-03-27 2015-07-07 John R. Ramun Universal control scheme for mobile hydraulic equipment and method for achieving the same
US8230757B2 (en) * 2008-07-29 2012-07-31 Deere & Company Lever lockout assembly
JP5238448B2 (en) * 2008-10-20 2013-07-17 キャタピラー エス エー アール エル Work vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050279561A1 (en) * 2004-06-22 2005-12-22 Caterpillar Inc. Work machine joystick control system
US20090240406A1 (en) * 2005-12-22 2009-09-24 Komatsu Ltd. Engine control device for working vehicle
US7784581B1 (en) * 2006-09-14 2010-08-31 Deere & Company Machine control interlocks for an electrohydraulically controlled vehicle
WO2009048364A1 (en) * 2007-10-08 2009-04-16 Svab Hydraulik Ab A control lever for operating a machine, a procedure for operating a machine via a control lever and the use of the control lever
WO2010147232A1 (en) * 2009-06-19 2010-12-23 日立建機株式会社 Motor control device for working vehicle
EP2277369A1 (en) * 2009-07-20 2011-01-26 CLAAS Selbstfahrende Erntemaschinen GmbH Multifunction handle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012124767A1 *

Also Published As

Publication number Publication date
EP2687638A1 (en) 2014-01-22
KR20140051120A (en) 2014-04-30
JPWO2012124767A1 (en) 2014-07-24
CN103370479A (en) 2013-10-23
WO2012124767A1 (en) 2012-09-20
KR101882406B1 (en) 2018-07-26
CN103370479B (en) 2016-06-01
EP2687638B1 (en) 2017-05-10
US20140003900A1 (en) 2014-01-02
JP5814258B2 (en) 2015-11-17

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