JP7169361B2 - ホイールローダ - Google Patents

ホイールローダ Download PDF

Info

Publication number
JP7169361B2
JP7169361B2 JP2020547792A JP2020547792A JP7169361B2 JP 7169361 B2 JP7169361 B2 JP 7169361B2 JP 2020547792 A JP2020547792 A JP 2020547792A JP 2020547792 A JP2020547792 A JP 2020547792A JP 7169361 B2 JP7169361 B2 JP 7169361B2
Authority
JP
Japan
Prior art keywords
vehicle body
lift arm
wheel loader
detector
angle
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.)
Active
Application number
JP2020547792A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2020065915A1 (ja
Inventor
幸次 兵藤
正規 吉川
将司 山下
哲二 田中
祐樹 抜井
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.)
Hitachi Construction Machinery Co Ltd
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 JPWO2020065915A1 publication Critical patent/JPWO2020065915A1/ja
Application granted granted Critical
Publication of JP7169361B2 publication Critical patent/JP7169361B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4008—Control of circuit pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
JP2020547792A 2018-09-28 2018-09-28 ホイールローダ Active JP7169361B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/036237 WO2020065915A1 (fr) 2018-09-28 2018-09-28 Chargeuse montée sur roues

Publications (2)

Publication Number Publication Date
JPWO2020065915A1 JPWO2020065915A1 (ja) 2021-08-30
JP7169361B2 true JP7169361B2 (ja) 2022-11-10

Family

ID=69950487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020547792A Active JP7169361B2 (ja) 2018-09-28 2018-09-28 ホイールローダ

Country Status (2)

Country Link
JP (1) JP7169361B2 (fr)
WO (1) WO2020065915A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114371020B (zh) * 2021-12-24 2024-05-24 雷沃工程机械集团有限公司 一种装载机行走动力性测试方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011184886A (ja) 2010-03-05 2011-09-22 Komatsu Ltd 作業車両及び作業車両の制御方法
JP2014181804A (ja) 2013-03-21 2014-09-29 Hitachi Constr Mach Co Ltd 作業車両の自動変速装置
JP2016130030A (ja) 2013-04-26 2016-07-21 日立建機株式会社 ハイブリッド式作業車両

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4908176B2 (ja) * 2006-12-13 2012-04-04 株式会社小松製作所 建設車両の牽引力制御装置
US8639429B2 (en) * 2012-03-30 2014-01-28 Komatsu Ltd. Wheel loader and method for controlling a wheel loader
JP5092071B1 (ja) * 2012-03-30 2012-12-05 株式会社小松製作所 ホイールローダ及びホイールローダの制御方法
US9242648B1 (en) * 2014-09-05 2016-01-26 Caterpillar Inc. Boosting parking brake drive-through torque
KR102272247B1 (ko) * 2014-12-24 2021-07-02 두산인프라코어 주식회사 건설 기계의 밀림 방지 방법 및 이를 수행하기 위한 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011184886A (ja) 2010-03-05 2011-09-22 Komatsu Ltd 作業車両及び作業車両の制御方法
JP2014181804A (ja) 2013-03-21 2014-09-29 Hitachi Constr Mach Co Ltd 作業車両の自動変速装置
JP2016130030A (ja) 2013-04-26 2016-07-21 日立建機株式会社 ハイブリッド式作業車両

Also Published As

Publication number Publication date
WO2020065915A1 (fr) 2020-04-02
JPWO2020065915A1 (ja) 2021-08-30

Similar Documents

Publication Publication Date Title
JP7152496B2 (ja) 荷役作業車両
JP7193288B2 (ja) 作業車両
CN111247295B (zh) 装卸作业车辆
JP2005155494A (ja) 走行式油圧作業機
CN108603359A (zh) 挖土机
CN108368689A (zh) 液压工程机械的控制装置
WO2019065123A1 (fr) Chargeuse sur roues
WO2019065122A1 (fr) Chargeuse sur roues
KR20190026907A (ko) 건설 기계
WO2017061220A1 (fr) Machines de construction
JP7253669B2 (ja) 作業車両
JP6605316B2 (ja) 作業機械の駆動装置
JP7068983B2 (ja) 作業車両
JP7169361B2 (ja) ホイールローダ
JP7038898B2 (ja) 荷役作業車両
JP6968308B2 (ja) 荷役作業車両
EP3825475A1 (fr) Chargeuse sur roues
JP7152629B2 (ja) 作業車両

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210128

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220301

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20220421

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220624

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221018

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20221028

R150 Certificate of patent or registration of utility model

Ref document number: 7169361

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150