CA3238004A1 - Hydraulic system, working vehicle and method - Google Patents

Hydraulic system, working vehicle and method Download PDF

Info

Publication number
CA3238004A1
CA3238004A1 CA3238004A CA3238004A CA3238004A1 CA 3238004 A1 CA3238004 A1 CA 3238004A1 CA 3238004 A CA3238004 A CA 3238004A CA 3238004 A CA3238004 A CA 3238004A CA 3238004 A1 CA3238004 A1 CA 3238004A1
Authority
CA
Canada
Prior art keywords
hydraulic
hydraulic system
speed
pressure
hydraulic pump
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
CA3238004A
Other languages
English (en)
French (fr)
Inventor
Samuli Verho
Harri Vatanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandvik Mining and Construction Oy
Original Assignee
Sandvik Mining and Construction Oy
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 by Sandvik Mining and Construction Oy filed Critical Sandvik Mining and Construction Oy
Publication of CA3238004A1 publication Critical patent/CA3238004A1/en
Pending legal-status Critical Current

Links

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
    • E02F9/2221—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)
  • Motor Power Transmission Devices (AREA)
  • Control Of Fluid Gearings (AREA)
CA3238004A 2021-12-10 2022-12-09 Hydraulic system, working vehicle and method Pending CA3238004A1 (en)

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 (1)

Publication Number Publication Date
CA3238004A1 true CA3238004A1 (en) 2023-06-15

Family

ID=78829786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3238004A Pending CA3238004A1 (en) 2021-12-10 2022-12-09 Hydraulic system, working vehicle and method

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
US20250043808A1 (en) 2025-02-06
JP2025503403A (ja) 2025-02-04
AU2022407149A1 (en) 2024-05-30
CN118302581A (zh) 2024-07-05
US12331763B2 (en) 2025-06-17

Similar Documents

Publication Publication Date Title
EP3536864B1 (en) Hydraulic system and method of controlling hydraulic actuator
US9303633B2 (en) Over-speed control system and method
US7345441B2 (en) Rotation-type working machine
KR101151562B1 (ko) 휠로더의 유압펌프 제어장치
CN103423224A (zh) 液压动力系统的按需排量控制
WO1996036554A1 (en) An arrangement for controlling a winch of a rock drilling equipment
CN103562568A (zh) 液压系统和用于控制液压系统的方法
CA3238004A1 (en) Hydraulic system, working vehicle and method
KR101609882B1 (ko) 건설기계의 유압시스템
CN101687464A (zh) 液压驱动车辆
EP3640404A1 (en) Method and apparatus for controlling travel speed of construction machine
CN115398065A (zh) 液压系统以及用于控制作业机械的液压系统的方法
WO2020115035A1 (en) Arrangement in underground mining machine, and method
US9739273B2 (en) Rotatable component overspeed protection method
WO2017170256A1 (ja) ショベル
EP4587650A1 (en) Hydraulic system
JP2013083293A (ja) 作業機械の油圧装置
EP4141292A1 (en) Hydraulic system, mining vehicle and method
KR100961432B1 (ko) 재생 에너지를 이용하는 유압회로
US20250354440A1 (en) Transmission system for drilling machine
US20250215659A1 (en) Systems and methods for operating excavation machines
US20250376139A1 (en) Hydraulic Brake System for Electric Work Machines
KR19980067342A (ko) 로우더의 엔진펌프 제어장치
CN112912631A (zh) 用于作业机械的液压系统
JP2019052040A (ja) クレーンの油圧駆動装置

Legal Events

Date Code Title Description
MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 2ND ANNIV.) - STANDARD

Year of fee payment: 2

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20241112

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20241112

MFA Maintenance fee for application paid

Free format text: FEE DESCRIPTION TEXT: MF (APPLICATION, 3RD ANNIV.) - STANDARD

Year of fee payment: 3

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20251107

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-1-1-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20251107