JP2025503403A - 油圧システム、作業車両および方法 - Google Patents

油圧システム、作業車両および方法 Download PDF

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Publication number
JP2025503403A
JP2025503403A JP2024534277A JP2024534277A JP2025503403A JP 2025503403 A JP2025503403 A JP 2025503403A JP 2024534277 A JP2024534277 A JP 2024534277A JP 2024534277 A JP2024534277 A JP 2024534277A JP 2025503403 A JP2025503403 A JP 2025503403A
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JP
Japan
Prior art keywords
hydraulic
hydraulic system
pressure
speed
work vehicle
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.)
Pending
Application number
JP2024534277A
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English (en)
Japanese (ja)
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JP2025503403A5 (enExample
Inventor
サムリ ヴェルホ，
ハッリ ヴァタネン，
Original Assignee
サンドヴィック マイニング アンド コンストラクション オーワイ
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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Application filed by サンドヴィック マイニング アンド コンストラクション オーワイ filed Critical サンドヴィック マイニング アンド コンストラクション オーワイ
Publication of JP2025503403A publication Critical patent/JP2025503403A/ja
Publication of JP2025503403A5 publication Critical patent/JP2025503403A5/ja
Pending legal-status Critical Current

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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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • 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
    • F15B11/161—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165—Servomotor systems without provision for follow-up action ; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/022—Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20538—Type of pump constant capacity
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255—Flow control functions
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/26—Power control functions
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Fluid Gearings (AREA)
  • Motor Power Transmission Devices (AREA)
JP2024534277A 2021-12-10 2022-12-09 油圧システム、作業車両および方法 Pending JP2025503403A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21213736.8A EP4194617A1 (en) 2021-12-10 2021-12-10 Hydraulic system, working vehicle and method
EP21213736.8 2021-12-10
PCT/EP2022/085194 WO2023105048A1 (en) 2021-12-10 2022-12-09 Hydraulic system, working vehicle and method

Publications (2)

Publication Number Publication Date
JP2025503403A true JP2025503403A (ja) 2025-02-04
JP2025503403A5 JP2025503403A5 (enExample) 2025-10-21

Family

ID=78829786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024534277A Pending JP2025503403A (ja) 2021-12-10 2022-12-09 油圧システム、作業車両および方法

Country Status (7)

Country Link
US (1) US12331763B2 (enExample)
EP (1) EP4194617A1 (enExample)
JP (1) JP2025503403A (enExample)
CN (1) CN118302581A (enExample)
AU (1) AU2022407149A1 (enExample)
CA (1) CA3238004A1 (enExample)
WO (1) WO2023105048A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113883116B (zh) * 2021-09-29 2025-07-18 三一汽车制造有限公司 放油阀、蓄能装置、液压系统和作业机械
EP4650564A1 (en) * 2024-05-14 2025-11-19 Sandvik Mining and Construction Oy Condition monitoring for a rock drilling arrangement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2230425C3 (de) * 1972-06-22 1978-06-22 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Drucksteuerung einer Doppelkupplung
DE3330367A1 (de) * 1983-08-23 1985-03-14 Mannesmann Rexroth GmbH, 8770 Lohr Hydraulisches antriebssystem
EP0300080A1 (de) * 1987-07-25 1989-01-25 Ing. G. Klemm Bohrtechnik GmbH Überlagerungsbohrvorrichtung
JP2001187901A (ja) * 1999-12-28 2001-07-10 Kubota Corp 建機の油圧装置
US8774972B2 (en) * 2007-05-14 2014-07-08 Flowserve Management Company Intelligent pump system
FI125208B (fi) * 2010-05-25 2015-07-15 Sandvik Mining & Constr Oy Kallionporauslaite ja menetelmä alamäkiajoon
WO2012051560A1 (en) * 2010-10-15 2012-04-19 Eaton Corporation Hybrid hydraulic systems for industrial processes
WO2013017141A1 (de) * 2011-08-04 2013-02-07 Roland Bisig Steuereinrichtung für einen hydraulischen antrieb
US9102415B2 (en) * 2012-08-28 2015-08-11 Federal Industries, Inc. Multi-orifice bypass for a hydraulic motor assembly
WO2016085959A1 (en) * 2014-11-24 2016-06-02 Parker-Hannifin Corporation System architectures for steering and work functions in a wheel loader
US12188493B2 (en) * 2020-05-27 2025-01-07 Danfoss Power Solutions Inc. Control system for actuating lifting function
FI4067615T3 (fi) * 2021-03-31 2023-10-03 Sandvik Mining & Construction Oy Käyttöjärjestelmä, kallionporauslaitteisto ja menetelmä
JP7256430B2 (ja) * 2021-09-07 2023-04-12 ダイキン工業株式会社 油圧ユニット

Also Published As

Publication number Publication date
CA3238004A1 (en) 2023-06-15
WO2023105048A1 (en) 2023-06-15
US12331763B2 (en) 2025-06-17
AU2022407149A1 (en) 2024-05-30
CN118302581A (zh) 2024-07-05
EP4194617A1 (en) 2023-06-14
US20250043808A1 (en) 2025-02-06

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