WO2012026633A1 - 건설기계의 제어장치 - Google Patents

건설기계의 제어장치 Download PDF

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Publication number
WO2012026633A1
WO2012026633A1 PCT/KR2010/005606 KR2010005606W WO2012026633A1 WO 2012026633 A1 WO2012026633 A1 WO 2012026633A1 KR 2010005606 W KR2010005606 W KR 2010005606W WO 2012026633 A1 WO2012026633 A1 WO 2012026633A1
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WO
WIPO (PCT)
Prior art keywords
remote control
valve
control valve
pressure
signal
Prior art date
Application number
PCT/KR2010/005606
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김동수
Original Assignee
볼보 컨스트럭션 이큅먼트 에이비
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 볼보 컨스트럭션 이큅먼트 에이비 filed Critical 볼보 컨스트럭션 이큅먼트 에이비
Priority to KR20137004526A priority Critical patent/KR20130111532A/ko
Priority to PCT/KR2010/005606 priority patent/WO2012026633A1/ko
Priority to US13/818,175 priority patent/US20130146163A1/en
Priority to EP10856458.4A priority patent/EP2610409A4/de
Priority to JP2013525795A priority patent/JP2013540957A/ja
Priority to CN201080068670.7A priority patent/CN103052755B/zh
Publication of WO2012026633A1 publication Critical patent/WO2012026633A1/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
    • E02F9/2221—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
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • F15B11/167—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load using pilot pressure to sense the demand
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • 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
    • F15B2211/20523—Internal combustion engine
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3052—Shuttle valves
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/30—Directional control
    • F15B2211/31—Directional control characterised by the positions of the valve element
    • F15B2211/3105—Neutral or centre positions
    • F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
    • 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
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/30—Directional control
    • F15B2211/355—Pilot pressure control
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/575—Pilot pressure control
    • F15B2211/5756—Pilot pressure control for opening a valve
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6316—Electronic controllers using input signals representing a pressure the pressure being a pilot pressure
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/865—Prevention of failures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/85978—With pump
    • Y10T137/85986—Pumped fluid control
    • Y10T137/86027—Electric

Definitions

  • the present invention relates to a control device for a construction machine, and more particularly, to a control device for a construction machine capable of controlling a spool of an MCV equipped with a hydraulic remote control valve and a bidirectional control spool to control hydraulic oil supplied to a hydraulic actuator. will be.
  • the conventional hydraulic MCV control circuit shown in FIG. 1 includes an engine 1,
  • a main hydraulic pump 2 (hereinafter referred to as a "hydraulic pump") and a pilot pump 3 connected to the engine 1,
  • a hydraulic actuator 4 (referred to as “hydraulic motor” as an example) connected to the hydraulic pump 2,
  • a spool (5) of a main control valve (MCV) installed in a flow path between the hydraulic pump (2) and the hydraulic actuator (4) and controlling the starting, stopping, and direction change of the hydraulic actuator (4) at the time of switching;
  • RCV remote control valve
  • the secondary signal is discharged from the pilot pump 3 and passes through the remote control valve 6 in proportion to the operation amount. Pressure is supplied to the spool 5. As a result, displacement of the spool 5 occurs in proportion to the secondary signal pressure, so that hydraulic oil from the hydraulic pump 2 passes through the spool 5 to be supplied to the hydraulic actuator 4.
  • the control of the spool 5 described above depends on the operation amount of the remote control valve 6.
  • the electrohydraulic MCV control circuit of the prior art shown in FIG. 2 includes an engine 1,
  • a spool 5 of the MCV which is installed in the flow path between the hydraulic pump 2 and the hydraulic actuator 4 and controls the start, stop and direction change of the hydraulic actuator 4 at the time of switching,
  • Electromagnetic proportional pressure reducing valves 7 and 8 for outputting a secondary signal pressure to the spool 5 in proportion to an electrical control signal from the outside;
  • a controller 9 for calculating an operation signal corresponding to the operation amount of the operation lever 8 and outputting an electric control signal to the electromagnetic proportional pressure reducing valves 7, 8.
  • an operation signal proportional to the operation amount is input to the controller 9.
  • the controller 9 calculates an output value corresponding to the operation amount and outputs it as a control signal to the electromagnetic proportional pressure reducing valves 7 and 8 so as to control the spool 5. That is, the spool 5 is controlled by the electromagnetic proportional pressure reducing valves 7, 8 so that the operating amount of the operating lever 8 can be controlled to control the hydraulic oil supplied to the hydraulic actuator 4 under optimum conditions. The operation of the lever 8 can be corrected.
  • the embodiment of the present invention can control the spool of the bidirectional driveable MCV so that the hydraulic actuator can be smoothly accelerated even when the driver operates the remote control valve (RCV) abruptly. It is associated with the control of a construction machine to prevent the malfunction of MCV in case of failure.
  • RCV remote control valve
  • the control apparatus of a construction machine comprising an engine, a hydraulic pump connected to the engine, and a hydraulic actuator capable of driving in both directions to receive hydraulic oil from the hydraulic pump to drive the work device.
  • a remote control valve for outputting a second signal pressure proportional to the user's operation amount
  • Manipulated variable detecting means for detecting an output side secondary signal pressure of a remote control valve
  • An electronic proportional pressure reducing valve that outputs a secondary signal pressure in proportion to an electrical control signal from the outside;
  • One input part is connected to the secondary signal pressure of the remote control valve, and the output side port of the electromagnetic proportional pressure reducing valve is connected to the other input part, and outputs the high pressure among the signal pressures passing through the remote control valve and the electromagnetic proportional pressure reducing valve.
  • 1,2 shuttle valve 1,2 shuttle valve
  • a bidirectional control spool installed in the flow path between the hydraulic pump and the hydraulic actuator and controlling the start, stop and direction change of the hydraulic actuator at the time of switching by the signal pressure output from the first and second shuttle valves;
  • a controller for calculating a control signal corresponding to the manipulated variable inputted from the manipulated variable detecting means and outputting the control signal to the electromagnetic proportional pressure reducing valve.
  • the operation amount detection means for detecting the operation amount of the above-described remote control valve
  • An input is connected to the secondary signal pressure at the output side of the remote control valve, and the third shuttle valve outputs the high pressure of the two-way signal pressure passing through the remote control valve, and the output signal of the third shuttle valve is connected to the controller. It includes an input pressure sensor.
  • the manipulated variable detecting means for detecting the manipulated variable of the above-described remote control valve
  • the controller can control the spool of the bidirectional driveable MCV while reducing the cost of parts, and can provide reliability because MCV malfunctions are blocked in the event of unexpected failure of the valve drive electrical circuit.
  • FIG. 3 is an electro-hydraulic MCV control circuit diagram of a construction machine control apparatus according to a first embodiment of the present invention
  • FIG. 4 is a graph for explaining the control of the electromagnetic proportional pressure reducing valve by the controller in the construction machine control apparatus according to the first embodiment of the present invention
  • FIG. 5 is an electro-hydraulic MCV control circuit diagram of a construction machine control apparatus according to a second embodiment of the present invention.
  • control apparatus of the construction machine according to the first embodiment of the present invention, the engine 11, the hydraulic pump 12 and the pilot pump 13 connected to the engine 11,
  • a construction machine provided with a hydraulic actuator (referred to as an example hydraulic motor, etc.) 14 which can be driven in both directions to receive hydraulic oil from the hydraulic pump 12 to drive a work device (such as a boom).
  • a hydraulic actuator referred to as an example hydraulic motor, etc.
  • Manipulated variable detecting means for detecting an output side secondary signal pressure of the remote control valve 16
  • An electromagnetic proportional pressure reducing valve 17 for outputting a secondary signal pressure in proportion to an electrical control signal from the outside;
  • One input part is connected to the secondary signal pressure of the remote control valve 16, and the output side port of the electromagnetic proportional pressure reducing valve (PPRV) 17 is connected to the other input part, respectively, the remote control valve 16 and the electromagnetic proportional pressure reducing valve First and second shuttle valves 18 and 19 for outputting a higher pressure among the signal pressures passing through 17,
  • PPRV electromagnetic proportional pressure reducing valve
  • a controller 20 for calculating an output value corresponding to the manipulated variable inputted from the manipulated variable detecting means and outputting it as a control signal to the electromagnetic proportional pressure reducing valve 17.
  • a third shuttle valve 21 and a third shuttle valve (21) for outputting the high pressure of the two-way signal pressure passing through the remote control valve 16 and the inputs are respectively connected to the output side secondary signal pressure of the remote control valve (16) ( It is connected to the output side of the 21 and comprises a pressure sensor 22 for inputting a detection signal to the controller (20).
  • the secondary signal pressure passing through the remote control valve is detected through the pressure sensor 22 provided on the output side of the third shuttle valve 21, and the detected signal pressure P is input to the controller 20. .
  • the left and right ports of the spool 15 are connected to the output sides of the first and second shuttle valves 18 and 19, respectively, and the input portions of the first and second shuttle valves 18 and 19 are respectively proportional to the electromagnetic proportional pressure reducing valve 17. It is connected to the output side and the output side of the remote control valve 16, respectively.
  • the secondary signal pressure (that is, the case having the same inclination value as the diagram "A) according to the operation of the remote control valve 16 is connected to the left port of the spool 15 via the first shuttle valve 18.
  • the secondary signal pressure of the electromagnetic proportional pressure reducing valve (referring to the case where the slope value is equal to the "C") is determined by the control signal output from the controller 20 to the electromagnetic proportional pressure reducing valve 17. It is supplied to the right port of the spool 15 via the shuttle valve 19.
  • the signal pressure value supplied to one port of the spool 15 through the first shuttle valve 18 according to the operation of the remote control valve 16 is an electromagnetic proportional pressure reducing valve according to the control signal input from the controller 20.
  • the signal pressure generated by (17) and supplied to the other port of the spool 15 via the second shuttle valve 19 is relatively larger.
  • the signal pressure acting on the spool 15 acts in the opposite direction to the output side secondary signal pressure caused by the operation of the remote control valve 16.
  • Inputs are respectively connected to the output side secondary signal pressure of the remote control valve 16, and outputs are connected to the input side port of the electromagnetic proportional pressure reducing valve 17, and the high pressure of the two-way signal pressure passing through the remote control valve 16 is applied.
  • a pressure sensor 22 connected to an output side of the fourth shuttle valve 23 and inputting a detection signal to the controller 20.
  • the hydraulic oil discharged from the pilot pump 13 passes through the remote control valve 16 and is converted into secondary signal pressure, so that the output of the fourth shuttle valve 23 is output.
  • the signal pressure P1 passing through the part is supplied to the input side port of the electromagnetic proportional pressure reducing valve 17. This makes the reliability of failure of the valve drive electric circuit relatively high.

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  • 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)
  • Fluid-Pressure Circuits (AREA)
PCT/KR2010/005606 2010-08-24 2010-08-24 건설기계의 제어장치 WO2012026633A1 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR20137004526A KR20130111532A (ko) 2010-08-24 2010-08-24 건설기계의 제어장치
PCT/KR2010/005606 WO2012026633A1 (ko) 2010-08-24 2010-08-24 건설기계의 제어장치
US13/818,175 US20130146163A1 (en) 2010-08-24 2010-08-24 Device for controlling construction equipment
EP10856458.4A EP2610409A4 (de) 2010-08-24 2010-08-24 Vorrichtung zur steuerung einer baumaschine
JP2013525795A JP2013540957A (ja) 2010-08-24 2010-08-24 建設機械の制御装置
CN201080068670.7A CN103052755B (zh) 2010-08-24 2010-08-24 用于控制施工设备的装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2010/005606 WO2012026633A1 (ko) 2010-08-24 2010-08-24 건설기계의 제어장치

Publications (1)

Publication Number Publication Date
WO2012026633A1 true WO2012026633A1 (ko) 2012-03-01

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Application Number Title Priority Date Filing Date
PCT/KR2010/005606 WO2012026633A1 (ko) 2010-08-24 2010-08-24 건설기계의 제어장치

Country Status (6)

Country Link
US (1) US20130146163A1 (de)
EP (1) EP2610409A4 (de)
JP (1) JP2013540957A (de)
KR (1) KR20130111532A (de)
CN (1) CN103052755B (de)
WO (1) WO2012026633A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110621887A (zh) * 2017-06-16 2019-12-27 川崎重工业株式会社 油压系统

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010007504U1 (de) * 2010-06-02 2010-09-02 WEW Westerwälder Eisenwerk GmbH Pumpanordnung und Versorgungseinheit mit Pumpanordnung
JP2017110721A (ja) * 2015-12-16 2017-06-22 日立建機株式会社 建設機械の油圧駆動装置
KR102388136B1 (ko) * 2016-05-18 2022-04-19 현대두산인프라코어(주) 건설 기계의 안전 시스템
WO2019050064A1 (en) * 2017-09-07 2019-03-14 Volvo Construction Equipment Ab HYDRAULIC MACHINE
CN108488118A (zh) * 2018-05-19 2018-09-04 山东科瑞机械制造有限公司 一种新型的油管工作滚筒本地与远程协同控制液压系统
CN113915176B (zh) * 2021-03-23 2023-07-14 上海圣克赛斯液压股份有限公司 用于驱动动力装置的自动控制液压系统

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KR100240090B1 (ko) * 1997-12-30 2000-01-15 토니헬 유압식 건설기계의 엔진 출력 제어장치 및 그 제어방법
KR100240084B1 (ko) * 1995-10-31 2000-01-15 토니헬 유압식 기계장치의 주행제어장치 및 제어방법
JP2000213004A (ja) * 1999-01-22 2000-08-02 Komatsu Ltd 建設機械の油圧回路
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