KR920012681A - Automatic operation execution device of hydraulic excavator - Google Patents

Automatic operation execution device of hydraulic excavator Download PDF

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Publication number
KR920012681A
KR920012681A KR1019900023105A KR900023105A KR920012681A KR 920012681 A KR920012681 A KR 920012681A KR 1019900023105 A KR1019900023105 A KR 1019900023105A KR 900023105 A KR900023105 A KR 900023105A KR 920012681 A KR920012681 A KR 920012681A
Authority
KR
South Korea
Prior art keywords
hydraulic pump
work
actuator
pump means
stage
Prior art date
Application number
KR1019900023105A
Other languages
Korean (ko)
Other versions
KR950011052B1 (en
Inventor
이진한
송명훈
정상태
Original Assignee
김연수
삼성중공업 주식회사
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 김연수, 삼성중공업 주식회사 filed Critical 김연수
Priority to KR1019900023105A priority Critical patent/KR950011052B1/en
Priority to GB9126309A priority patent/GB2252642B/en
Priority to ITMI913471A priority patent/IT1252589B/en
Priority to DE4143140A priority patent/DE4143140C2/en
Priority to FR9116298A priority patent/FR2671118A1/en
Publication of KR920012681A publication Critical patent/KR920012681A/en
Priority to GB9417608A priority patent/GB2279774A/en
Priority to GB9417609A priority patent/GB2280047A/en
Application granted granted Critical
Publication of KR950011052B1 publication Critical patent/KR950011052B1/en

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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
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/437—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like providing automatic sequences of movements, e.g. linear excavation, keeping dipper angle constant
    • 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
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/438—Memorising movements for repetition, e.g. play-back capability
    • 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
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps 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
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/26—Indicating devices

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)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

내용 없음No content

Description

유압굴삭기의 자동 작동실행장치Automatic operation execution device of hydraulic excavator

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

제1도는 본 발명에 따른 장치가 갖추어진 굴삭기의 개략적인 회로도, 제2도는 전자식 콘트롤러의 내부구성에 대한 블록도, 제3도는 최초 작업동작을 기억시키기 위한 플로우챠트.1 is a schematic circuit diagram of an excavator equipped with a device according to the invention, FIG. 2 is a block diagram of the internal configuration of an electronic controller, and FIG. 3 is a flowchart for storing an initial working operation.

Claims (1)

원동기에 의해 구동되는 적어도 하나 이상의 가변용량형 유압펌프를 포함하는 유압펌프수단(4)과, 이 유압펌프수단(4)의 토출유량에 의해 작동되는 적어도 하나 이상의 액튜에이터(6,7,8,9,10,11), 이 액튜에이터(6,7,8,9,10,11)의 작동상태를 감지하는 센서수단(12,13,14,15,16,17), 상기 유압펌프수단(4)으로부터 상기 액튜에이터(6,7,8,9,10,11)에 작동하는 유량의 양과 방향을 조절하여 주는 다중제어밸브단(5), 상기 유압 펌프수단(4)의 제3펌프의 토출압에 의한 압력전기량에 따라 상기 다중제어밸브단(5)의 스풀을 작동시키는 파이롯트압을 출력하는 밸브용 전자비례밸브(18), 상기 유압펌프수단(4)의 사판기구조절용 파이롯트압을 출력하는 펌프용 전자비례밸브(19), 상기 액튜에이터(6,7,8,9,10,11)를 조작하기 위한 운전자의 조작량을 전기량으로 바꾸어 출력해주는 조작수단(2) 및, 전체 작업을 통괄적으로 제어하는 전자제어기(1)를 구비하여 구성된 자동작동실행장치에 있어서, 상기 전자제어기(1)에 연결되어 작업지시 및 작업반복기능을 선택하는 기능선택수단(20)과, 작업의 시작 및 정지신호를 발생시키도록 작동하는 작동스위치(21), 작업의 종류와 형태에 따라 상기 유압펌프수단(4)의 최대출력을 제한해 주는 작업모드스위치(22) 및, 각 액튜에이터의 위치를 표시하는 모니터수단(23)으로 구성된 것을 특징으로 하는 유압굴삭기의 자동작동실행장치.Hydraulic pump means 4 comprising at least one variable displacement hydraulic pump driven by a prime mover, and at least one actuator 6, 7, 8, 9 operated by the discharge flow rate of the hydraulic pump means 4. 10, 11, sensor means (12, 13, 14, 15, 16, 17) for detecting the operating state of the actuator (6, 7, 8, 9, 10, 11), the hydraulic pump means (4) To the discharge pressure of the third control valve stage (5) and the third pump of the hydraulic pump means (4) for adjusting the amount and direction of the flow rate to the actuator (6,7,8,9,10,11) Solenoid valve 18 for outputting a pilot pressure for operating the spool of the multiple control valve stage 5 according to the pressure electric quantity by the pump, and for pump outputting the pilot pressure for adjusting the swash plate mechanism of the hydraulic pump means 4 An operation that converts the driver's operation amount for operating the electromagnetic proportional valve 19 and the actuators 6, 7, 8, 9, 10, and 11 into an electric quantity In the automatic operation execution device comprising a stage (2) and an electronic controller (1) to collectively control the entire work, the function selection for selecting the work order and the work repeat function connected to the electronic controller (1) Means 20, an operation switch 21 which operates to generate start and stop signals for the work, and a work mode switch 22 for limiting the maximum output of the hydraulic pump means 4 according to the type and type of work. And a monitor means (23) for displaying the position of each actuator. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900023105A 1990-12-31 1990-12-31 A auto-control circuit for excavator KR950011052B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1019900023105A KR950011052B1 (en) 1990-12-31 1990-12-31 A auto-control circuit for excavator
GB9126309A GB2252642B (en) 1990-12-31 1991-12-11 System for automatically controlling operation of construction vehicle
ITMI913471A IT1252589B (en) 1990-12-31 1991-12-23 SYSTEM FOR AUTOMATICALLY ADJUSTING THE OPERATION OF A CONSTRUCTION VEHICLE
DE4143140A DE4143140C2 (en) 1990-12-31 1991-12-24 Device for the automatic control of a construction machine
FR9116298A FR2671118A1 (en) 1990-12-31 1991-12-30 SYSTEM AND METHODS FOR AUTOMATICALLY CONTROLLING THE OPERATION OF PUBLIC WORKS ENGINES.
GB9417608A GB2279774A (en) 1990-12-31 1994-09-02 Construction vehicle diagnostic system
GB9417609A GB2280047A (en) 1990-12-31 1994-09-02 Construction vehicle control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900023105A KR950011052B1 (en) 1990-12-31 1990-12-31 A auto-control circuit for excavator

Publications (2)

Publication Number Publication Date
KR920012681A true KR920012681A (en) 1992-07-27
KR950011052B1 KR950011052B1 (en) 1995-09-27

Family

ID=19309423

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900023105A KR950011052B1 (en) 1990-12-31 1990-12-31 A auto-control circuit for excavator

Country Status (1)

Country Link
KR (1) KR950011052B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970075134A (en) * 1996-05-30 1997-12-10 찰스 알. 호지 Attachment that can be attached to a power machine
KR100433186B1 (en) * 2001-07-27 2004-05-27 현대중공업 주식회사 Control system of an engine and pump output for Excavator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8453441B2 (en) * 2008-11-06 2013-06-04 Purdue Research Foundation System and method for pump-controlled cylinder cushioning
KR101383895B1 (en) * 2008-11-28 2014-04-10 삼성테크윈 주식회사 Hydraulic system for driving multiple actuators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970075134A (en) * 1996-05-30 1997-12-10 찰스 알. 호지 Attachment that can be attached to a power machine
KR100433186B1 (en) * 2001-07-27 2004-05-27 현대중공업 주식회사 Control system of an engine and pump output for Excavator

Also Published As

Publication number Publication date
KR950011052B1 (en) 1995-09-27

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