JPWO2023189867A1 - - Google Patents

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Publication number
JPWO2023189867A1
JPWO2023189867A1 JP2024511917A JP2024511917A JPWO2023189867A1 JP WO2023189867 A1 JPWO2023189867 A1 JP WO2023189867A1 JP 2024511917 A JP2024511917 A JP 2024511917A JP 2024511917 A JP2024511917 A JP 2024511917A JP WO2023189867 A1 JPWO2023189867 A1 JP WO2023189867A1
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
JP2024511917A
Other languages
Japanese (ja)
Other versions
JP7710096B2 (ja
JPWO2023189867A5 (https=
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
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Publication of JPWO2023189867A1 publication Critical patent/JPWO2023189867A1/ja
Publication of JPWO2023189867A5 publication Critical patent/JPWO2023189867A5/ja
Application granted granted Critical
Publication of JP7710096B2 publication Critical patent/JP7710096B2/ja
Active legal-status Critical Current
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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
    • E02F3/30—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
    • 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
    • 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
    • E02F3/425—Drive systems 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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • 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
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0875—Arrangement of valve arrangements on superstructures
    • 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
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
    • 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
    • E02F9/22—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
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2275—Hoses and supports therefor and protection 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2289—Closed circuit
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2296—Systems with a variable displacement pump
    • 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
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Operation Control Of Excavators (AREA)
JP2024511917A 2022-03-30 2023-03-21 建設機械 Active JP7710096B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022055014 2022-03-30
JP2022055014 2022-03-30
PCT/JP2023/011037 WO2023189867A1 (ja) 2022-03-30 2023-03-21 建設機械

Publications (3)

Publication Number Publication Date
JPWO2023189867A1 true JPWO2023189867A1 (https=) 2023-10-05
JPWO2023189867A5 JPWO2023189867A5 (https=) 2024-08-16
JP7710096B2 JP7710096B2 (ja) 2025-07-17

Family

ID=88201268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024511917A Active JP7710096B2 (ja) 2022-03-30 2023-03-21 建設機械

Country Status (5)

Country Link
US (1) US20250019922A1 (https=)
EP (1) EP4424923A4 (https=)
JP (1) JP7710096B2 (https=)
CN (1) CN118251530A (https=)
WO (1) WO2023189867A1 (https=)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220705A (ja) * 1988-02-29 1989-09-04 Komatsu Ltd 操作弁装置
US20020129856A1 (en) * 2001-03-15 2002-09-19 Werner Reinelt Electrohydraulic control device
JP2003097743A (ja) * 2001-09-27 2003-04-03 Nabco Ltd 建設機械の多連方向切換弁
JP2008082161A (ja) * 2007-10-05 2008-04-10 Nabtesco Corp 油圧ショベルのパイロット圧パターン切換弁
JP2011112123A (ja) * 2009-11-25 2011-06-09 Kawasaki Precision Machinery Ltd マルチコントロール弁装置、及びそのケーシング
JP2011112077A (ja) * 2009-11-24 2011-06-09 Keihin Corp 電磁弁装置
JP2013249896A (ja) * 2012-05-31 2013-12-12 Hitachi Constr Mach Co Ltd 多連弁装置
JP2015227544A (ja) * 2014-05-30 2015-12-17 日立建機株式会社 作業機械
JP2018151036A (ja) * 2017-03-14 2018-09-27 日立建機株式会社 建設機械
JP2020034022A (ja) * 2018-08-27 2020-03-05 ナブテスコ株式会社 油圧制御弁ブロック、油圧制御弁装置および建設機械

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003176547A (ja) * 2001-12-10 2003-06-24 Hitachi Constr Mach Co Ltd 旋回式建設機械
JP6134614B2 (ja) * 2013-09-02 2017-05-24 日立建機株式会社 作業機械の駆動装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01220705A (ja) * 1988-02-29 1989-09-04 Komatsu Ltd 操作弁装置
US20020129856A1 (en) * 2001-03-15 2002-09-19 Werner Reinelt Electrohydraulic control device
JP2003097743A (ja) * 2001-09-27 2003-04-03 Nabco Ltd 建設機械の多連方向切換弁
JP2008082161A (ja) * 2007-10-05 2008-04-10 Nabtesco Corp 油圧ショベルのパイロット圧パターン切換弁
JP2011112077A (ja) * 2009-11-24 2011-06-09 Keihin Corp 電磁弁装置
JP2011112123A (ja) * 2009-11-25 2011-06-09 Kawasaki Precision Machinery Ltd マルチコントロール弁装置、及びそのケーシング
JP2013249896A (ja) * 2012-05-31 2013-12-12 Hitachi Constr Mach Co Ltd 多連弁装置
JP2015227544A (ja) * 2014-05-30 2015-12-17 日立建機株式会社 作業機械
JP2018151036A (ja) * 2017-03-14 2018-09-27 日立建機株式会社 建設機械
JP2020034022A (ja) * 2018-08-27 2020-03-05 ナブテスコ株式会社 油圧制御弁ブロック、油圧制御弁装置および建設機械

Also Published As

Publication number Publication date
CN118251530A (zh) 2024-06-25
WO2023189867A1 (ja) 2023-10-05
JP7710096B2 (ja) 2025-07-17
EP4424923A1 (en) 2024-09-04
US20250019922A1 (en) 2025-01-16
EP4424923A4 (en) 2025-10-08

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