KR960014549A - Driving and work linkage control device of construction heavy equipment - Google Patents

Driving and work linkage control device of construction heavy equipment Download PDF

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Publication number
KR960014549A
KR960014549A KR1019940028040A KR19940028040A KR960014549A KR 960014549 A KR960014549 A KR 960014549A KR 1019940028040 A KR1019940028040 A KR 1019940028040A KR 19940028040 A KR19940028040 A KR 19940028040A KR 960014549 A KR960014549 A KR 960014549A
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South Korea
Prior art keywords
engine
driving
hydraulic pump
proportional valve
rotational speed
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KR1019940028040A
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Korean (ko)
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KR0138706B1 (en
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조장욱
양순용
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김무
삼성중공업 주식회사
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Priority to KR1019940028040A priority Critical patent/KR0138706B1/en
Publication of KR960014549A publication Critical patent/KR960014549A/en
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Publication of KR0138706B1 publication Critical patent/KR0138706B1/en

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Abstract

본 발명은 다수개의 방향변환밸브과 상기 밸브들을 위한 유압펌프를 가지는 건설용 중장비의 주행 및 작업 연동제어장치를 개시한다.The present invention discloses a traveling and work interlock control apparatus for construction heavy equipment having a plurality of directional valves and hydraulic pumps for the valves.

본 발명의 일실시예에 따른 장치는, 엔진의 드로틀래버의 위치를 검출하는 위치검출기와, 상기 엔진의 회전수를 검출하는 회전수검출기와, 작업모드를 설정하는 스위치보드와, 상기 위치검출기와 상기 회전수검출기 및 스위치보드로부터 공급되는 신호를 입력하여 상기 엔진의 회전수와 상기 유압펌프의 토출유량을 제어하는 마이크로컴퓨터와, 상기 마이크로컴퓨터로부터 발생되는 신호에 응답하여 상기 엔진의 회전수를 조절하는 전기모터와, 상기 마이크로컴퓨터로부터 발생되는 신호에 응답하여 상기 유압펌프의 토출유량을 조절하는 전자비례밸브를 가진다.An apparatus according to an embodiment of the present invention includes a position detector for detecting a position of a throttle lever of an engine, a rotation speed detector for detecting a rotation speed of the engine, a switchboard for setting a working mode, and a position detector. A microcomputer controlling the rotational speed of the engine and the discharge flow rate of the hydraulic pump by inputting signals supplied from the rotational speed detector and the switchboard, and adjusting the rotational speed of the engine in response to a signal generated from the microcomputer And an electric proportional valve for adjusting the discharge flow rate of the hydraulic pump in response to a signal generated from the microcomputer.

Description

건설용 중장비의 주행 및 작업연동 제어장치Driving and work linkage control device of construction heavy equipment

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

제2도는 본 발명에 따른 주행 및 작업연동제어장치의 구성을 보여주는 도면,2 is a view showing the configuration of the driving and work interlock control device according to the present invention,

제3도는 본 발명에 따른 주행 및 작업연동제어를 수행하기 위한 프로그램의 흐름도.3 is a flowchart of a program for performing driving and work interlocking control according to the present invention.

Claims (4)

다수개의 방향변환밸브들과 상기 밸브들을 위한 유압펌프를 가지는 건설용 중장비의 주행 및 적업연동제어장치에 있어서, 엔진의 드로틀레버의 위치를 검출하는 위치검출기와, 상기 엔진의 회전수를 검출하는 회전수검출기와, 적업모드를 설정하는 스위치보드와, 상기 위치검출기와 상기 회전수검출기 및 스위치보드로부터 공급되는 신호를 입력하여 상기 엔진의 회전수와 상기 유압펌프의 토출유량을 제어하는 마이크로컴퓨터와, 상기 마이크로컴퓨터로부터 발생되는 신호에 응답하여 상기 엔진의 회전수를 조절하는 전기모터와, 상기 마이크로 컴퓨터로부터 발생되는 신호에 응답하여 상기 유압펌프의 토출유량을 조절하는 전자비례밸브를 구비함을 특징으로 하는 주행 및 적업연동 제어장치.In the traveling and stacking operation control device of heavy equipment for construction having a plurality of directional valves and a hydraulic pump for the valves, a position detector for detecting the position of the throttle lever of the engine, the rotation for detecting the rotational speed of the engine A microcomputer for controlling the rotational speed of the engine and the discharge flow rate of the hydraulic pump by inputting a water detector, a switchboard for setting the operation mode, a signal supplied from the position detector, the rotational speed detector and the switchboard; And an electric motor for adjusting the rotational speed of the engine in response to the signal generated from the microcomputer, and an electromagnetic proportional valve for controlling the discharge flow rate of the hydraulic pump in response to the signal generated from the microcomputer. Running and stacking control system. 다수개의 방향변환밸브들과, 상기 밸브들을 위한 유압펌프의 토출유량을 제어하는 전자비례밸브와, 상기 유압펌프를 구동하는 엔진을 가지는 건설용 중장비의 주행 및 작업연동제어방법에 있어서, 주행모드상태에서 상기 중장비의 차체가 주행중일 때 엔진의 드로틀레버의 위치를 소정의 기준위치와 비교하는 제1과정과, 상기 드로틀레버의 위치가 상기 기준위치미만인 경우에 제1작업모드에 해당하는 고정전류값을 전자비례밸브로 인가하고 상기 드로틀레버의 위치가 기준위치이상인 경우에 제2작업모드에 해당하는 제어절류값을 상기 전자비례 제어밸브로 인가하는 제2과정을 구비함을 특징으로 하는 주행 및 작업연동제어방법.In the traveling and work interlock control method of a heavy equipment for construction having a plurality of directional valves, an electromagnetic proportional valve for controlling the discharge flow rate of the hydraulic pump for the valves, and the engine for driving the hydraulic pump, the driving mode state The first process of comparing the position of the throttle lever of the engine with a predetermined reference position when the vehicle body of the heavy equipment is running, and a fixed current value corresponding to the first working mode when the position of the throttle lever is less than the reference position And a second process of applying a control shift value corresponding to a second working mode to the electromagnetic proportional control valve when the magnetic proportional valve is applied to the electromagnetic proportional valve and the position of the throttle lever is equal to or greater than the reference position. Interlocking control method. 제2항에 있어서, 상기 제1과정에서 주행모드상태가 아닌 상태에서 상기 차체가 주행중인 경우에 이전의 작업을 수행함을 특징으로 하는 주행 및 작업연동제어방법.3. The driving and work interlocking control method according to claim 2, wherein the previous work is performed when the vehicle body is traveling in a state other than the driving mode state in the first process. 제3항에 있어서, 상기 제1과정에서 주행모드상태에서 상기 차체가 주행중이 아닐 때, 상기 엔진의 현재의 분당회전수가 주행시작기준 분당회전수 이하인 경우에는 상기 제1작업모드에 해당하는 고정전류값을 상기 전자비례밸브로 인가하고, 상기 현재의 분당회전수가 상기 주행시작 기준 분당회전수 이상인 경우에는 상기 현재의 분당회전수를 상기 주행시작 기준 분당회전수 이하로 하강시킨 다음 상기 제1작업모드에 해당하는 고정전류값을 상기 전자비례밸브로 인가함을 특징으로 하는 주행 및 작업연동제어장치.The fixed current corresponding to the first working mode when the current revolutions per minute of the engine is less than or equal to the driving start reference rpm when the vehicle body is not running in the driving mode in the first step. A value is applied to the electromagnetic proportional valve, and when the current revolutions per minute is equal to or greater than the running start reference revolutions per minute, the current revolutions per minute is lowered to less than or equal to the driving start reference revolutions per minute and then the first working mode. And a fixed current value corresponding to the electromagnetic proportional valve. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940028040A 1994-10-29 1994-10-29 Driving and work interlocking control device and method of construction heavy equipment KR0138706B1 (en)

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KR1019940028040A KR0138706B1 (en) 1994-10-29 1994-10-29 Driving and work interlocking control device and method of construction heavy equipment

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KR0138706B1 KR0138706B1 (en) 1998-07-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273749B1 (en) * 1998-07-03 2000-12-15 현정순 method for manufacturing and embosssing roller

Families Citing this family (2)

* 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
KR102433963B1 (en) * 2017-04-04 2022-08-19 현대두산인프라코어 주식회사 Method of controlling of an eppr valve in a construction machine and apparatus for performing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100273749B1 (en) * 1998-07-03 2000-12-15 현정순 method for manufacturing and embosssing roller

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