JPWO2021241652A1 - - Google Patents

Info

Publication number
JPWO2021241652A1
JPWO2021241652A1 JP2022526619A JP2022526619A JPWO2021241652A1 JP WO2021241652 A1 JPWO2021241652 A1 JP WO2021241652A1 JP 2022526619 A JP2022526619 A JP 2022526619A JP 2022526619 A JP2022526619 A JP 2022526619A JP WO2021241652 A1 JPWO2021241652 A1 JP WO2021241652A1
Authority
JP
Japan
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
JP2022526619A
Other versions
JP7227430B2 (ja
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 filed Critical
Publication of JPWO2021241652A1 publication Critical patent/JPWO2021241652A1/ja
Application granted granted Critical
Publication of JP7227430B2 publication Critical patent/JP7227430B2/ja
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
    • E02F9/24Safety devices, e.g. for preventing overload
    • 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
    • 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
    • E02F9/2033Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
    • 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
    • E02F9/26Indicating devices
    • 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
    • E02F9/26Indicating devices
    • E02F9/261Surveying the work-site to be treated
    • E02F9/262Surveying the work-site to be treated with follow-up actions to control the work tool, e.g. 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
    • E02F9/26Indicating devices
    • E02F9/267Diagnosing or detecting failure of vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/40Special vehicles
    • B60Y2200/41Construction vehicles, e.g. graders, excavators
    • B60Y2200/412Excavators
    • 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
    • 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
    • E02F9/22Hydraulic 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
    • E02F9/2278Hydraulic circuits
    • E02F9/2285Pilot-operated systems
    • 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
    • E02F9/2292Systems with two or more pumps
    • 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
    • E02F9/2296Systems with a variable displacement pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Soil Working Implements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
JP2022526619A 2020-05-29 2021-05-26 作業機械 Active JP7227430B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020094869 2020-05-29
JP2020094869 2020-05-29
PCT/JP2021/020060 WO2021241652A1 (ja) 2020-05-29 2021-05-26 作業機械

Publications (2)

Publication Number Publication Date
JPWO2021241652A1 true JPWO2021241652A1 (ja) 2021-12-02
JP7227430B2 JP7227430B2 (ja) 2023-02-21

Family

ID=78744537

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022526619A Active JP7227430B2 (ja) 2020-05-29 2021-05-26 作業機械

Country Status (6)

Country Link
US (1) US20230114481A1 (ja)
EP (1) EP4159931A1 (ja)
JP (1) JP7227430B2 (ja)
KR (1) KR102647365B1 (ja)
CN (1) CN115210433B (ja)
WO (1) WO2021241652A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230272599A1 (en) * 2022-02-28 2023-08-31 Caterpillar Inc. Work machine safety zone control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009193494A (ja) * 2008-02-18 2009-08-27 Shimizu Corp 警報システム
JP2019060108A (ja) * 2017-09-26 2019-04-18 日立建機株式会社 作業員接近通知システム
JP2019169778A (ja) * 2018-03-22 2019-10-03 日立建機株式会社 作業員管理システム
JP2020012323A (ja) * 2018-07-19 2020-01-23 日立建機株式会社 作業機械

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2505275Y2 (ja) * 1990-05-29 1996-07-24 株式会社フジタ 建設用作業車の作業領域監視装置
JP2002327469A (ja) 2001-05-02 2002-11-15 Komatsu Ltd 建設機械における周囲安全装置
JP5369057B2 (ja) 2010-06-18 2013-12-18 日立建機株式会社 作業機械の周囲監視装置
JP6752548B2 (ja) 2015-03-20 2020-09-09 住友建機株式会社 建設機械
KR20160127881A (ko) * 2015-04-27 2016-11-07 현대중공업 주식회사 작업기계의 관리 시스템 및 관리 방법
JP6552996B2 (ja) * 2016-06-07 2019-07-31 日立建機株式会社 作業機械
JP6858515B2 (ja) * 2016-09-09 2021-04-14 若築建設株式会社 重機接触事故防止システム
JP2019027049A (ja) * 2017-07-26 2019-02-21 株式会社錢高組 重機運転及び作業者接近検知の警報方法及び情報管理システム
JP2019056234A (ja) * 2017-09-21 2019-04-11 日立建機株式会社 作業機械
WO2019117268A1 (ja) * 2017-12-14 2019-06-20 日立建機株式会社 作業機械
JP7112935B2 (ja) * 2018-10-15 2022-08-04 日立建機株式会社 作業機械

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009193494A (ja) * 2008-02-18 2009-08-27 Shimizu Corp 警報システム
JP2019060108A (ja) * 2017-09-26 2019-04-18 日立建機株式会社 作業員接近通知システム
JP2019169778A (ja) * 2018-03-22 2019-10-03 日立建機株式会社 作業員管理システム
JP2020012323A (ja) * 2018-07-19 2020-01-23 日立建機株式会社 作業機械

Also Published As

Publication number Publication date
US20230114481A1 (en) 2023-04-13
CN115210433B (zh) 2023-09-05
EP4159931A1 (en) 2023-04-05
KR20220130815A (ko) 2022-09-27
CN115210433A (zh) 2022-10-18
WO2021241652A1 (ja) 2021-12-02
KR102647365B1 (ko) 2024-03-12
JP7227430B2 (ja) 2023-02-21

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