KR102571590B1 - 건설 기계 - Google Patents

건설 기계 Download PDF

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Publication number
KR102571590B1
KR102571590B1 KR1020227003519A KR20227003519A KR102571590B1 KR 102571590 B1 KR102571590 B1 KR 102571590B1 KR 1020227003519 A KR1020227003519 A KR 1020227003519A KR 20227003519 A KR20227003519 A KR 20227003519A KR 102571590 B1 KR102571590 B1 KR 102571590B1
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KR
South Korea
Prior art keywords
lever
operating
power
time
power reduction
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KR1020227003519A
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English (en)
Korean (ko)
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KR20220028088A (ko
Inventor
유이치 오가와
다케시 이시이
세이이치 기하라
기와무 다카하시
Original Assignee
가부시키가이샤 히다치 겡키 티에라
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Publication of KR20220028088A publication Critical patent/KR20220028088A/ko
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Publication of KR102571590B1 publication Critical patent/KR102571590B1/ko
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    • 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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • 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
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • E02F3/32—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 downwardly and towards the machine, e.g. with backhoes
    • E02F3/325—Backhoes of the miniature type
    • 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
    • E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • 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
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • E02F9/2285—Pilot-operated systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • 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
    • E02F9/2062—Control of propulsion units
    • E02F9/2066—Control of propulsion units of the type combustion engines
    • 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
    • E02F9/2062—Control of propulsion units
    • E02F9/207—Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
KR1020227003519A 2020-03-26 2020-03-26 건설 기계 Active KR102571590B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/013851 WO2021192187A1 (ja) 2020-03-26 2020-03-26 建設機械

Publications (2)

Publication Number Publication Date
KR20220028088A KR20220028088A (ko) 2022-03-08
KR102571590B1 true KR102571590B1 (ko) 2023-08-29

Family

ID=77891017

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227003519A Active KR102571590B1 (ko) 2020-03-26 2020-03-26 건설 기계

Country Status (6)

Country Link
US (1) US12018456B2 (https=)
EP (1) EP4130397B1 (https=)
JP (1) JP7174196B2 (https=)
KR (1) KR102571590B1 (https=)
CN (1) CN114174606B (https=)
WO (1) WO2021192187A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021241591A1 (ja) * 2020-05-25 2021-12-02 住友建機株式会社 ショベル及びショベルの操作装置
EP4205625A1 (en) 2021-12-31 2023-07-05 LG Electronics Inc. Dishwasher

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011078277A (ja) 2009-10-01 2011-04-14 Hitachi Constr Mach Co Ltd 電動式建設機械
WO2018179313A1 (ja) 2017-03-31 2018-10-04 日立建機株式会社 油圧作業機械

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2855526B2 (ja) * 1987-12-20 1999-02-10 株式会社加藤製作所 特殊車両におけるエンジンの自動減速方法及び装置
JPH1150494A (ja) * 1997-07-31 1999-02-23 Kubota Corp 建機の油圧回路
JP4010255B2 (ja) * 2003-02-07 2007-11-21 コベルコ建機株式会社 建設機械の制御装置
KR101464016B1 (ko) * 2007-03-29 2014-11-20 가부시키가이샤 고마쓰 세이사쿠쇼 작업 기계
CN102483433B (zh) * 2009-09-15 2014-09-24 住友重机械工业株式会社 混合式施工机械中的控制方法及控制装置
JP5878873B2 (ja) * 2010-10-13 2016-03-08 日立建機株式会社 建設機械の制御装置
JP2012123248A (ja) 2010-12-09 2012-06-28 Ricoh Co Ltd 画像形成装置
JP5552523B2 (ja) * 2012-11-20 2014-07-16 株式会社小松製作所 作業機械および作業機械の作業量計測方法
JP6524019B2 (ja) * 2016-05-18 2019-06-05 日立建機株式会社 建設機械
AU2017100879B4 (en) * 2016-07-29 2017-09-28 Apple Inc. Systems, devices, and methods for dynamically providing user interface controls at touch-sensitive secondary display

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011078277A (ja) 2009-10-01 2011-04-14 Hitachi Constr Mach Co Ltd 電動式建設機械
WO2018179313A1 (ja) 2017-03-31 2018-10-04 日立建機株式会社 油圧作業機械

Also Published As

Publication number Publication date
JP7174196B2 (ja) 2022-11-17
KR20220028088A (ko) 2022-03-08
JPWO2021192187A1 (https=) 2021-09-30
EP4130397A4 (en) 2023-09-13
CN114174606B (zh) 2023-04-18
EP4130397B1 (en) 2025-01-22
US20220290403A1 (en) 2022-09-15
CN114174606A (zh) 2022-03-11
WO2021192187A1 (ja) 2021-09-30
EP4130397A1 (en) 2023-02-08
US12018456B2 (en) 2024-06-25

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