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 (https=
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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    • 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
    • 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
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/165Servomotor 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
    • 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
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/022Control of the drilling operation; Hydraulic or pneumatic means for activation or operation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025Rock drills, i.e. jumbo drills
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20507Type of prime mover
    • F15B2211/20515Electric motor
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/255Flow control functions
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/26Power control functions
    • 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
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/40Flow control
    • F15B2211/45Control 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)
  • Motor Power Transmission Devices (AREA)
  • Control Of Fluid Gearings (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 (https=) 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 (https=)
EP (1) EP4194617A1 (https=)
JP (1) JP2025503403A (https=)
CN (1) CN118302581A (https=)
AU (1) AU2022407149A1 (https=)
CA (1) CA3238004A1 (https=)
WO (1) WO2023105048A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4650564A1 (en) * 2024-05-14 2025-11-19 Sandvik Mining and Construction Oy Condition monitoring for a rock drilling arrangement

Family Cites Families (11)

* 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
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
CN103249950B (zh) * 2010-10-15 2015-07-22 伊顿公司 用于工业过程的混合液压系统
EP2739556B1 (de) * 2011-08-04 2016-04-06 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
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
WO2023105048A1 (en) 2023-06-15
EP4194617A1 (en) 2023-06-14
CA3238004A1 (en) 2023-06-15
US20250043808A1 (en) 2025-02-06
AU2022407149A1 (en) 2024-05-30
CN118302581A (zh) 2024-07-05
US12331763B2 (en) 2025-06-17

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