KR102723547B1 - 쇼벨 - Google Patents

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Publication number
KR102723547B1
KR102723547B1 KR1020217029002A KR20217029002A KR102723547B1 KR 102723547 B1 KR102723547 B1 KR 102723547B1 KR 1020217029002 A KR1020217029002 A KR 1020217029002A KR 20217029002 A KR20217029002 A KR 20217029002A KR 102723547 B1 KR102723547 B1 KR 102723547B1
Authority
KR
South Korea
Prior art keywords
shovel
pump
controller
boom
operating
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
KR1020217029002A
Other languages
English (en)
Korean (ko)
Other versions
KR20210140724A (ko
Inventor
타카시 야마모토
Original Assignee
스미토모 겐키 가부시키가이샤
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.)
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Publication of KR20210140724A publication Critical patent/KR20210140724A/ko
Application granted granted Critical
Publication of KR102723547B1 publication Critical patent/KR102723547B1/ko
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Classifications

    • 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
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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
    • E02F9/08—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
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/205—Remotely operated machines, e.g. unmanned vehicles
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2282—Systems using center bypass type changeover valves
    • 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
    • E02F9/26—Indicating devices
    • 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
    • E02F9/26—Indicating devices
    • E02F9/261—Surveying the work-site to be treated
    • E02F9/262—Surveying the work-site to be treated with follow-up actions to control the work tool, e.g. controller
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps

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)
  • Component Parts Of Construction Machinery (AREA)
  • Fluid-Pressure Circuits (AREA)
KR1020217029002A 2019-03-30 2020-03-17 쇼벨 Active KR102723547B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019069474A JP7227830B2 (ja) 2019-03-30 2019-03-30 ショベル
JPJP-P-2019-069474 2019-03-30
PCT/JP2020/011622 WO2020203245A1 (ja) 2019-03-30 2020-03-17 ショベル

Publications (2)

Publication Number Publication Date
KR20210140724A KR20210140724A (ko) 2021-11-23
KR102723547B1 true KR102723547B1 (ko) 2024-10-28

Family

ID=72668288

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217029002A Active KR102723547B1 (ko) 2019-03-30 2020-03-17 쇼벨

Country Status (6)

Country Link
US (1) US12305366B2 (enExample)
EP (1) EP3951100B1 (enExample)
JP (1) JP7227830B2 (enExample)
KR (1) KR102723547B1 (enExample)
CN (1) CN113544341B (enExample)
WO (1) WO2020203245A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7666871B2 (ja) * 2020-11-30 2025-04-22 住友重機械工業株式会社 作業機械
JP2023151653A (ja) * 2022-03-31 2023-10-16 住友建機株式会社 ショベル
JP2024094591A (ja) * 2022-12-28 2024-07-10 住友重機械工業株式会社 作業機械、遠隔操作支援装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018044414A (ja) * 2016-09-16 2018-03-22 日立建機株式会社 作業機械
JP2018062412A (ja) * 2016-10-13 2018-04-19 株式会社神戸製鋼所 建設機械

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69220293T2 (de) 1991-01-28 1998-01-22 Hitachi Construction Machinery Hydraulisches steuerungssystem für hydraulische erdbaumaschine
JP2651079B2 (ja) * 1991-07-24 1997-09-10 日立建機株式会社 油圧建設機械
JP3205078B2 (ja) * 1992-10-02 2001-09-04 日立建機株式会社 油圧建設機械の制御装置
JPH08296603A (ja) * 1995-04-26 1996-11-12 Hitachi Constr Mach Co Ltd 油圧建設機械
JP2002129602A (ja) 2000-10-25 2002-05-09 Shin Caterpillar Mitsubishi Ltd クレーン機能付建設機械
JP3965932B2 (ja) * 2001-04-19 2007-08-29 日立建機株式会社 油圧ショベルの油圧制御回路
KR100621985B1 (ko) * 2005-08-02 2006-09-11 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 주행시스템
US7654335B2 (en) 2006-02-08 2010-02-02 Caterpillar Trimble Control Technologies Llc System and method for controlling an implement based upon a gear shift
JP2009256058A (ja) 2008-04-17 2009-11-05 Caterpillar Japan Ltd クレーン機能付きの油圧ショベル
JP5566333B2 (ja) * 2011-05-11 2014-08-06 日立建機株式会社 建設機械の制御システム
JP5985276B2 (ja) * 2012-07-02 2016-09-06 住友建機株式会社 建設機械の油圧回路及びその制御装置
US9725885B2 (en) * 2013-02-06 2017-08-08 Volvo Construction Equipment Ab Hydraulic construction machinery
CN105452678A (zh) * 2013-08-05 2016-03-30 住友重机械工业株式会社 挖土机
JP6226758B2 (ja) * 2014-01-22 2017-11-08 住友重機械工業株式会社 ショベル及び建設機械
CN106574559B (zh) * 2014-07-30 2020-11-27 住友重机械工业株式会社 挖土机
WO2018207267A1 (ja) * 2017-05-09 2018-11-15 日立建機株式会社 作業機械
CN109024752B (zh) * 2018-08-10 2021-05-07 徐州徐工挖掘机械有限公司 挖掘机用行走工况自适应控制系统、控制方法及挖掘机
JP6763036B2 (ja) 2019-01-15 2020-09-30 株式会社Uacj アルミニウム合金ブレージングシート、その製造方法、アルミニウム合金シート及び熱交換器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018044414A (ja) * 2016-09-16 2018-03-22 日立建機株式会社 作業機械
JP2018062412A (ja) * 2016-10-13 2018-04-19 株式会社神戸製鋼所 建設機械

Also Published As

Publication number Publication date
JP2020165268A (ja) 2020-10-08
EP3951100A1 (en) 2022-02-09
KR20210140724A (ko) 2021-11-23
US20220010530A1 (en) 2022-01-13
CN113544341B (zh) 2023-11-17
EP3951100B1 (en) 2023-12-27
EP3951100A4 (en) 2022-06-15
CN113544341A (zh) 2021-10-22
JP7227830B2 (ja) 2023-02-22
US12305366B2 (en) 2025-05-20
WO2020203245A1 (ja) 2020-10-08

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PA0105 International application

Patent event date: 20210909

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E701 Decision to grant or registration of patent right
PE0701 Decision of registration

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PR0701 Registration of establishment

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