JP7174196B2 - 建設機械 - Google Patents

建設機械 Download PDF

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Publication number
JP7174196B2
JP7174196B2 JP2022510296A JP2022510296A JP7174196B2 JP 7174196 B2 JP7174196 B2 JP 7174196B2 JP 2022510296 A JP2022510296 A JP 2022510296A JP 2022510296 A JP2022510296 A JP 2022510296A JP 7174196 B2 JP7174196 B2 JP 7174196B2
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JP
Japan
Prior art keywords
lever
operating
power
time
power reduction
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
JP2022510296A
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English (en)
Japanese (ja)
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JPWO2021192187A1 (https=
JPWO2021192187A5 (https=
Inventor
雄一 小川
剛史 石井
聖一 木原
究 高橋
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 Tierra Co Ltd
Original Assignee
Hitachi Construction Machinery Tierra 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 Tierra Co Ltd filed Critical Hitachi Construction Machinery Tierra Co Ltd
Publication of JPWO2021192187A1 publication Critical patent/JPWO2021192187A1/ja
Publication of JPWO2021192187A5 publication Critical patent/JPWO2021192187A5/ja
Application granted granted Critical
Publication of JP7174196B2 publication Critical patent/JP7174196B2/ja
Active legal-status Critical Current
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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
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2246Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • E02F9/2025Particular purposes of control systems not otherwise provided for
    • 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
    • E02F3/30Dredgers; 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
    • E02F3/32Dredgers; 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
    • E02F3/325Backhoes of the miniature type
    • 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
    • E02F9/2062Control of propulsion units
    • E02F9/207Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators
    • 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
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2225Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • 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
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2239Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance including an electronic controller
    • 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
    • E02F9/2278Hydraulic circuits
    • E02F9/2285Pilot-operated systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • E02F3/435Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes 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
    • E02F9/2004Control mechanisms, e.g. control levers

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)
JP2022510296A 2020-03-26 2020-03-26 建設機械 Active JP7174196B2 (ja)

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 (3)

Publication Number Publication Date
JPWO2021192187A1 JPWO2021192187A1 (https=) 2021-09-30
JPWO2021192187A5 JPWO2021192187A5 (https=) 2022-04-18
JP7174196B2 true JP7174196B2 (ja) 2022-11-17

Family

ID=77891017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022510296A Active JP7174196B2 (ja) 2020-03-26 2020-03-26 建設機械

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
JP2012123248A (ja) 2010-12-09 2012-06-28 Ricoh Co Ltd 画像形成装置
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
JP2011078277A (ja) 2009-10-01 2011-04-14 Hitachi Constr Mach Co Ltd 電動式建設機械
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
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
JP2012123248A (ja) 2010-12-09 2012-06-28 Ricoh Co Ltd 画像形成装置
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
KR20220028088A (ko) 2022-03-08
KR102571590B1 (ko) 2023-08-29
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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