KR920702744A - Driving device of hydraulic excavator and operating device of working machine - Google Patents

Driving device of hydraulic excavator and operating device of working machine

Info

Publication number
KR920702744A
KR920702744A KR1019910701918A KR910701918A KR920702744A KR 920702744 A KR920702744 A KR 920702744A KR 1019910701918 A KR1019910701918 A KR 1019910701918A KR 910701918 A KR910701918 A KR 910701918A KR 920702744 A KR920702744 A KR 920702744A
Authority
KR
South Korea
Prior art keywords
hydraulic excavator
mode
hydraulic
separation mode
working machine
Prior art date
Application number
KR1019910701918A
Other languages
Korean (ko)
Other versions
KR0143065B1 (en
Inventor
도시오 요꼬하마
후지토시 다까무라
다꾸미 오노다
Original Assignee
가따다 데쯔야
가부시끼 가이샤 고마쯔 세이사꾸쇼
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 가따다 데쯔야, 가부시끼 가이샤 고마쯔 세이사꾸쇼 filed Critical 가따다 데쯔야
Publication of KR920702744A publication Critical patent/KR920702744A/en
Application granted granted Critical
Publication of KR0143065B1 publication Critical patent/KR0143065B1/en

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
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • 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
    • 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
    • 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
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
    • E02F9/2242—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance 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
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

내용 없음No content

Description

유압굴삭기의 주행 및 작업기의 조작장치Driving device of hydraulic excavator and operating device of working machine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 관한 유압식 굴삭기의 주행 및 작업기의 조작 장치의 조작제어회로도.1 is an operation control circuit diagram of a traveling device for a hydraulic excavator and an operating device for a work machine according to the present invention.

제2도는 제1도의 요부 확대도로, 특히 아암실린더의 조작제어회로도.FIG. 2 is an enlarged view of the main part of FIG. 1, in particular the operation control circuit diagram of the arm cylinder.

Claims (3)

엔진에 의해 구동되는 복수의 유압펌프와, 이 복수의 유압펌프의 각 토출관을 복수의 전기제어조작밸브를 거쳐 유압식 굴삭기의 각 액튜에이터에 접속한 유압회로와, 표준모드로 설정한 때에는 상기 각 유압펌프의 토출유압으로 유압식 굴삭기의 각 액튜에이터를 동시에 조작하고, 분리모드로 설정한 때에는 상기 복수의 유압 펌프는 각각 상기 유압식 굴삭기의 각 액튜에이터 중 소정 액튜에이터만을 구동하도록 상기 전기제어밸브를 제어하는 콘트롤러를 구비한 유압식 굴삭기의 주행 및 작업기의 조작장치에 있어서, 상기 분리모드설정 중에 스위치조작을 행하면 일시적으로 분리모드를 해제하여 표준모드로 변환하고, 또 스위치조작을 해제하면 표준 모드로부터 재차 본래의 분리모드로 변환하는 분리모드해제스위치를 배설한 것을 특징으로 하는 유압식 굴삭기의 주행 및 작업기의 조작장치.A plurality of hydraulic pumps driven by the engine, each of the discharge pipes of the plurality of hydraulic pumps via a plurality of electric control valves, and a hydraulic circuit connected to each actuator of the hydraulic excavator; When the actuators of the hydraulic excavator are operated simultaneously with the discharge pressure of the pump, and when set to the separation mode, the plurality of hydraulic pumps each have a controller for controlling the electric control valve to drive only a predetermined actuator among the actuators of the hydraulic excavator. In the operation of the hydraulic excavator and the operation device of the work machine, when the switch operation is performed during the setting of the separation mode, the separation mode is temporarily released to switch to the standard mode, and when the switch operation is released, the operation is resumed from the standard mode again. It is characterized by providing a disconnection mode release switch for switching An operating device for traveling and working machines of a hydraulic excavator. 제1항에 있어서, 상기 분리모드에는 부움·아암분리모드와, 주행·작업기의 분리모드와, 선회·작업기의 리모드가 포함되어 있는 것을 특징으로 하는 유압식 굴삭기의 주행 및 작업기의 조작장치.The operating device for operating and operating a hydraulic excavator according to claim 1, wherein the separation mode includes a boolean / arm separation mode, a separation mode of a traveling / working machine, and a retraction mode of a turning / working machine. 제1항에 있어서, 상기 분리모드해제스위치는 상기 유압식 굴삭기의 버킷과 부움을 각각 조작하는 버킷·부움조작레버와 아암과 선회동작을 조작하는 아암·선회조작레버에 배설되어 있는 것을 특징으로 하는 유압식 굴삭기의주행 및 작업기의 조작장치.2. The hydraulic mode of claim 1, wherein the separation mode release switch is disposed in a bucket / lever control lever for manipulating the bucket and the boom of the hydraulic excavator, and an arm / swivel control lever for manipulating the arm and the turning motion. Driving device of excavator and operating device of working machine. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910701918A 1989-06-30 1990-06-29 Device for operating traveling and working machines of a hydraulic excavator KR0143065B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP170413 1989-06-30
JP1170413A JP2583127B2 (en) 1989-06-30 1989-06-30 Hydraulic excavator traveling / work equipment operating device
PCT/JP1990/000852 WO1991000396A1 (en) 1989-06-30 1990-06-29 Device for operating traveling and working machines of hydraulic excavator

Publications (2)

Publication Number Publication Date
KR920702744A true KR920702744A (en) 1992-10-06
KR0143065B1 KR0143065B1 (en) 1998-09-15

Family

ID=15904466

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910701918A KR0143065B1 (en) 1989-06-30 1990-06-29 Device for operating traveling and working machines of a hydraulic excavator

Country Status (5)

Country Link
EP (1) EP0480037B1 (en)
JP (1) JP2583127B2 (en)
KR (1) KR0143065B1 (en)
DE (1) DE69030086T2 (en)
WO (1) WO1991000396A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100717922B1 (en) * 2003-03-20 2007-05-11 현대중공업 주식회사 2 speed hydrauric device for operating boom faster

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5547601A (en) * 1992-09-09 1996-08-20 Jnj Industries, Inc. CFC-free solvent for solvating solder flux
JP3013225B2 (en) * 1995-01-11 2000-02-28 新キャタピラー三菱株式会社 Hanging work control device
KR100464761B1 (en) * 1997-11-29 2005-04-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Heavy Machinery Hydraulics
DE102009033645A1 (en) * 2009-07-17 2011-01-20 Robert Bosch Gmbh Hydraulic control arrangement

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Publication number Priority date Publication date Assignee Title
US3960284A (en) * 1972-10-02 1976-06-01 American Hoist & Derrick Company Hydraulic backhoe circuitry
JPS6343259Y2 (en) * 1980-11-10 1988-11-11
JPS61142234A (en) * 1984-12-17 1986-06-30 Sumitomo Heavy Ind Ltd Oil-pressure circuit for construction machine such as oil-pressure shovel
JPS6258033A (en) * 1985-09-07 1987-03-13 Hitachi Constr Mach Co Ltd Construction equipment
US4712376A (en) * 1986-10-22 1987-12-15 Caterpillar Inc. Proportional valve control apparatus for fluid systems
JPH0823768B2 (en) * 1987-01-30 1996-03-06 株式会社小松製作所 Control device
JPH0745744B2 (en) * 1987-09-29 1995-05-17 日立建機株式会社 Hydraulic drive
JPH0826554B2 (en) * 1987-12-16 1996-03-13 株式会社小松製作所 Hydraulic circuit device of hydraulic excavator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100717922B1 (en) * 2003-03-20 2007-05-11 현대중공업 주식회사 2 speed hydrauric device for operating boom faster

Also Published As

Publication number Publication date
EP0480037B1 (en) 1997-03-05
EP0480037A4 (en) 1993-03-31
KR0143065B1 (en) 1998-09-15
JP2583127B2 (en) 1997-02-19
EP0480037A1 (en) 1992-04-15
WO1991000396A1 (en) 1991-01-10
JPH0336336A (en) 1991-02-18
DE69030086D1 (en) 1997-04-10
DE69030086T2 (en) 1997-09-11

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