EP4428310C0 - Arbeitsfahrzeug - Google Patents

Arbeitsfahrzeug

Info

Publication number
EP4428310C0
EP4428310C0 EP23188326.5A EP23188326A EP4428310C0 EP 4428310 C0 EP4428310 C0 EP 4428310C0 EP 23188326 A EP23188326 A EP 23188326A EP 4428310 C0 EP4428310 C0 EP 4428310C0
Authority
EP
European Patent Office
Prior art keywords
work vehicle
vehicle
work
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
EP23188326.5A
Other languages
English (en)
French (fr)
Other versions
EP4428310A1 (de
EP4428310B1 (de
Inventor
Yuta Kobayashi
Shumpei Okutani
Koichi Shimizu
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.)
Takeuchi Manufacturing Co Ltd
Original Assignee
Takeuchi Manufacturing 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 Takeuchi Manufacturing Co Ltd filed Critical Takeuchi Manufacturing Co Ltd
Publication of EP4428310A1 publication Critical patent/EP4428310A1/de
Application granted granted Critical
Publication of EP4428310C0 publication Critical patent/EP4428310C0/de
Publication of EP4428310B1 publication Critical patent/EP4428310B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • 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
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
    • 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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor
    • 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
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Fluid-Pressure Circuits (AREA)
EP23188326.5A 2023-03-08 2023-07-28 Arbeitsfahrzeug Active EP4428310B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023035264A JP7473701B1 (ja) 2023-03-08 2023-03-08 作業用車両

Publications (3)

Publication Number Publication Date
EP4428310A1 EP4428310A1 (de) 2024-09-11
EP4428310C0 true EP4428310C0 (de) 2025-09-10
EP4428310B1 EP4428310B1 (de) 2025-09-10

Family

ID=87520097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23188326.5A Active EP4428310B1 (de) 2023-03-08 2023-07-28 Arbeitsfahrzeug

Country Status (3)

Country Link
US (1) US20240301650A1 (de)
EP (1) EP4428310B1 (de)
JP (1) JP7473701B1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101032729B1 (ko) * 2009-04-24 2011-05-09 볼보 컨스트럭션 이큅먼트 에이비 유압배관 내에 잔압 제거용 유압시스템
JP2011127676A (ja) 2009-12-17 2011-06-30 Kobelco Contstruction Machinery Ltd 建設機械の油圧回路
KR102316917B1 (ko) * 2015-03-20 2021-10-25 현대두산인프라코어(주) 건설기계의 옵션장치용 제어회로
JP2017187144A (ja) 2016-04-08 2017-10-12 株式会社竹内製作所 作業機械
WO2018164152A1 (ja) * 2017-03-07 2018-09-13 住友建機株式会社 ショベル
KR102422530B1 (ko) * 2017-03-20 2022-07-19 현대두산인프라코어 주식회사 건설기계의 제어 시스템 및 건설기계의 제어 방법
JP2023005347A (ja) 2021-06-29 2023-01-18 株式会社タグチ工業 配管自動着脱装置とアタッチメント着脱装置

Also Published As

Publication number Publication date
EP4428310A1 (de) 2024-09-11
US20240301650A1 (en) 2024-09-12
JP2024126699A (ja) 2024-09-20
EP4428310B1 (de) 2025-09-10
JP7473701B1 (ja) 2024-04-23

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