KR920008286A - Relative Speed Control Method of Excavator Swing Motor and Boolean Cylinder - Google Patents

Relative Speed Control Method of Excavator Swing Motor and Boolean Cylinder Download PDF

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Publication number
KR920008286A
KR920008286A KR1019900017524A KR900017524A KR920008286A KR 920008286 A KR920008286 A KR 920008286A KR 1019900017524 A KR1019900017524 A KR 1019900017524A KR 900017524 A KR900017524 A KR 900017524A KR 920008286 A KR920008286 A KR 920008286A
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KR
South Korea
Prior art keywords
cylinder
swing motor
boolean
swing
value
Prior art date
Application number
KR1019900017524A
Other languages
Korean (ko)
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KR940000247B1 (en
Inventor
이진한
허상철
조장욱
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 KR1019900017524A priority Critical patent/KR940000247B1/en
Priority to GB9122059A priority patent/GB2250108B/en
Priority to GB9411159A priority patent/GB2276251B/en
Priority to GB9321159A priority patent/GB2269918B/en
Priority to FR919113224A priority patent/FR2668516B1/en
Priority to US07/783,559 priority patent/US5361211A/en
Priority to DE4136084A priority patent/DE4136084C2/en
Priority to ITMI912890A priority patent/IT1251749B/en
Publication of KR920008286A publication Critical patent/KR920008286A/en
Priority to FR9307011A priority patent/FR2691187B1/en
Priority to FR939307005A priority patent/FR2691185B1/en
Priority to FR9307010A priority patent/FR2691186B1/en
Application granted granted Critical
Publication of KR940000247B1 publication Critical patent/KR940000247B1/en

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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

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

내용 없음.No content.

Description

굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법Relative Speed Control Method of Excavator Swing Motor and Boolean Cylinder

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명이 적용되는 굴삭기의 개략적인 유압회로도.1 is a schematic hydraulic circuit diagram of an excavator to which the present invention is applied.

제2도는 본 발명에 따른 제어시스템의 구성도.2 is a block diagram of a control system according to the present invention.

제3, 4도는 본 발명 상대속도 제어방법의 유통도.3 and 4 are flow charts of the relative speed control method of the present invention.

제5도 (a), (b)는 조작레버/페달의 조작에 따라 발생되는 전류값, (c)는 속도비 조절스위치의 설정값에 따른 스윙모우터의 선회각도에 대한 부움상승높이를 특성곡선.(A) and (b) of FIG. 5 are current values generated by operation of the control lever / pedal, and (c) is a boolean rise height with respect to the swing angle of the swing motor according to the set value of the speed ratio adjustment switch. curve.

제6도는 종래기술에 따른 굴삭기의 개략적인 부분유압회로도.6 is a schematic partial hydraulic circuit diagram of an excavator according to the prior art.

제7도는 상차작업과정의 설명도이다.7 is an explanatory diagram of the loading process.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 엔진 2 : 출력축1 engine 2 output shaft

3 : 제1펌프 4 : 제2펌프3: first pump 4: second pump

5 : 제3펌프 6 : 좌측주행용모우터5: third pump 6: left driving motor

7 : 좌측주행제어밸브 8 : 디퍼스틱실린더7: left running control valve 8: differential cylinder

9 : 디퍼스틱제어밸브 10 : 스윙모우터9: differential control valve 10: swing motor

11 : 스윙제어밸브 12 : 우측주행모우터11: Swing control valve 12: Right driving motor

13 : 우측주행제어밸브 14 : 버킷실린더13: Right driving control valve 14: Bucket cylinder

15 : 버킷제어밸브 16 : 부움실린더15: bucket control valve 16: pour cylinder

17 : 부움제어밸브 18 : 옵션밸브17: pour control valve 18: option valve

19 : 방향전환밸브 20a, 20b : 사판각조절밸브19: direction change valve 20a, 20b: swash plate angle control valve

21a, 21b : 사판각조절기구 22 : 조작레버/페달21a, 21b: swash plate angle adjustment mechanism 22: operation lever / pedal

24 : 마이콤 25a,25b,25c : 증폭기24: micom 25a, 25b, 25c: amplifier

26 : 속도비 조절스위치26: speed ratio control switch

Claims (6)

스윙모우터(10) 및 부움실린더(16)의 해당 조작레버/페달(22)의 조작량과 속도비 조절스위치(26)의 설정값을 입력받아, 상기 조작레버/페달(22)의 조작량중 어느 하나라도 초대치가 아닌 경우에는 그 조작량에 다른 구동속도로 스윙모우터(10) 및 부움실린더(16)가 작동되게 사판각조절밸브(20a, 20b) 및 전자비례제어블럭(23a, 23b)으로 제어전류치를 출력하는 한편, 상기 각 조작량이 동시에 최대치로 조작된 경우에는 스윙모우터(10) 및 부움실린더(16)의 각 제어밸브(11,17)가 최대로 열리도록 전자비례제어블럭(23a, 23b)으로 제어전류치를 출력함과 더불어 상기 속도비 조절스위치(26)의 설정값에 따라 스윙모우터(10) 및 부움실린더(16)의 작동유량을 연산하고, 이 연산된 값에 따라 사판각조절밸브(20a, 20b)의 제어전유치를 설정하여 출력함으로써 제1,2펌프(3, 4)에서 토출되는 압유가 제어되어, 스윙모우터(10)의 선회속도와 부움실린더(16)의 상대작동속도가 상기 속도비 조절스위치(26)의 설정속도값에 따라 작동되도록 된 굴삭기 스윙모우터와 부움실린더의 상대속도 제어 방법.The operation amount of the corresponding operation lever / pedal 22 of the swing motor 10 and the boom cylinder 16 and the set value of the speed ratio adjustment switch 26 are inputted, and any of the operation amounts of the operation lever / pedal 22 is input. If any one is not super high, it is controlled by the swash plate adjustment valves 20a and 20b and the electromagnetic proportional control blocks 23a and 23b to operate the swing motor 10 and the boom cylinder 16 at a driving speed different from the operation amount. While outputting a current value, when each of the manipulation amounts is operated at the same time at the maximum value, the electromagnetic proportional control blocks 23a, so that the control valves 11 and 17 of the swing motor 10 and the pour cylinder 16 are opened to the maximum. 23b) outputs a control current value and calculates the operating flow rates of the swing motor 10 and the pour cylinder 16 according to the set value of the speed ratio control switch 26, and according to the calculated value, the swash plate angle. By setting and outputting the control pretreatment values of the control valves 20a and 20b, the first and second pumps 3 and 4 Extruded hydraulic oil is controlled so that the swing speed of the swing motor 10 and the relative operating speed of the pour cylinder 16 are operated according to the set speed value of the speed ratio control switch 26. How to control relative speed of cylinder. 제1항에 있어서, 상기 속도비 조절스위치(26)의 설정값이 스윙우선인 경우에는, 스윙우선 설정값에 따라 부움실린더(16)의 작동유량이 연산설정되고, 스윙모우터(10)의 작동유량은 최대치가 되도록 설정된 굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법.The operating flow rate of the pour cylinder 16 is calculated and set in accordance with the swing priority setting value when the setting value of the speed ratio control switch 26 is swing priority. Relative speed control method of excavator swing motor and boom cylinder set to maximum operating flow rate. 제1항에 있어서, 상기 속도비 조절스위치(26)의 설정값이 부움우선인 경우에는, 부움우선 설정값에 따라 스윙모우터(10)의 작동유량이 연산설정되고, 부움실린더(16)의 작동유량은 최대치가 되도록 설정된 굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법.The operating flow rate of the swing motor 10 is calculated and set according to the boolean priority setting value according to claim 1, when the set value of the speed ratio control switch 26 is boolean priority. Relative speed control method of excavator swing motor and boom cylinder set to maximum operating flow rate. 제1항에 있어서, 상기 속도비 조절스위치(26)의 설정값이 부움우선인 동시에 부움실린더(16)의 조작량이 부움상승인 경우에는, 상기 속도비 조절스위치(26)의 설정값에 따라 스윙모우터(10) 및 부움실린더(16)의 작동유량을 연산하고, 이 연산된 값에 의해 스윙모우터(10) 및 부움실린더(16)의 제어밸브(11, 17)전류치를 설정하여 상기 전자비례제어블럭 (23a, 23b)으로 출력함과 더불어 상기 제1,2펌프(3, 4)의 사판각은 최대가 되게 제어전류치를 사판각조절밸브(20a,20b)로 출력하도록 된 굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법.The method according to claim 1, wherein when the set value of the speed ratio control switch 26 is the boolean priority and the operation amount of the boolean cylinder 16 is the boolean rise, the swing according to the set value of the speed ratio control switch 26 is performed. The operating flow rates of the motor 10 and the boom cylinder 16 are calculated, and the current values of the control valves 11 and 17 of the swing motor 10 and the boolean cylinder 16 are set based on the calculated values. Excavator swing mower to output to the swash plate angle control valve (20a, 20b) to output the proportional control block (23a, 23b) and the swash plate angle of the first, second pump (3, 4) to the maximum Relative speed control method between rotor and boom cylinder. 제1항에 있어서, 상기 속도비 조절스위치(26)의 설정값이 부움우선인 동시에 부움실린더(16)의 조작량이 부움하강인 경우에는, 부움우선 설정값에 따른 스윙모우터(10)의 작동유량을 연산설정하고, 부움실린더(16)에 최대작동유량이 공급되도록 하는 굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법.The operation of the swing motor 10 according to the boolean priority setting value when the set value of the speed ratio control switch 26 is the boolean priority and the operation amount of the boolean cylinder 16 is boolean lowering. A method of controlling the relative speed of an excavator swing motor and a boom cylinder to calculate and set the flow rate and to supply the maximum working flow rate to the boom cylinder (16). 제1항에 있어서, 상기 속도비 조절스위치(26)의 설정값이 부움우선 및 스윙우선이 아닌 경우에는, 스윙모우터(10) 및 부움실린더(16)의 각각에 최대작동유량이 공급되도록 하는 굴삭기 스윙모우터와 부움실린더의 상대속도 제어방법.The method of claim 1, wherein the maximum operating flow rate is supplied to each of the swing motor 10 and the pour cylinder 16 when the set value of the speed ratio control switch 26 is not the boolean priority or the swing priority. Relative speed control method of excavator swing motor and boom cylinder. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900017524A 1990-10-31 1990-10-31 Control circuit for excavator-has programmed control for hydraulic swing-motor and boom cylinder KR940000247B1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
KR1019900017524A KR940000247B1 (en) 1990-10-31 1990-10-31 Control circuit for excavator-has programmed control for hydraulic swing-motor and boom cylinder
GB9411159A GB2276251B (en) 1990-10-31 1991-10-17 Control system for automatically controlling actuators of an excavator
GB9321159A GB2269918B (en) 1990-10-31 1991-10-17 Control system for automatically controlling actuators of an excavator
GB9122059A GB2250108B (en) 1990-10-31 1991-10-17 Control system for automatically controlling actuators of an excavator
FR919113224A FR2668516B1 (en) 1990-10-31 1991-10-25 CONTROL SYSTEM FOR AUTOMATICALLY CONTROLLING OPERATING MEANS OF AN EXCAVATOR.
US07/783,559 US5361211A (en) 1990-10-31 1991-10-28 Control system for automatically controlling actuators of an excavator
DE4136084A DE4136084C2 (en) 1990-10-31 1991-10-30 Method and device for controlling an excavator
ITMI912890A IT1251749B (en) 1990-10-31 1991-10-30 ADJUSTMENT SYSTEM FOR AUTOMATIC REGULATION OF EXCAVATOR ACTUATORS
FR9307011A FR2691187B1 (en) 1990-10-31 1993-06-10 METHOD FOR AUTOMATICALLY CONTROLLING THE EXCAVATOR ORIENTATION MOTOR.
FR939307005A FR2691185B1 (en) 1990-10-31 1993-06-10 Control system to automatically prevent overloading of an excavator.
FR9307010A FR2691186B1 (en) 1990-10-31 1993-06-10 CONTROL SYSTEM FOR AUTOMATICALLY CONTROLLING AN EXCAVATOR ACCORDING TO CONTROL LEVERS OR PEDALS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017524A KR940000247B1 (en) 1990-10-31 1990-10-31 Control circuit for excavator-has programmed control for hydraulic swing-motor and boom cylinder

Publications (2)

Publication Number Publication Date
KR920008286A true KR920008286A (en) 1992-05-27
KR940000247B1 KR940000247B1 (en) 1994-01-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017524A KR940000247B1 (en) 1990-10-31 1990-10-31 Control circuit for excavator-has programmed control for hydraulic swing-motor and boom cylinder

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KR (1) KR940000247B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464761B1 (en) * 1997-11-29 2005-04-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Heavy Machinery Hydraulics
KR100540999B1 (en) * 1998-05-12 2006-03-14 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Boom-Turning Speed Ratio Control of Heavy Vehicles
KR100717922B1 (en) * 2003-03-20 2007-05-11 현대중공업 주식회사 2 speed hydrauric device for operating boom faster

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100464761B1 (en) * 1997-11-29 2005-04-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Heavy Machinery Hydraulics
KR100540999B1 (en) * 1998-05-12 2006-03-14 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 Boom-Turning Speed Ratio Control of Heavy Vehicles
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
KR940000247B1 (en) 1994-01-12

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