KR980001207A - Automatic transmission shifting and boosting devices for hydraulic construction machinery - Google Patents

Automatic transmission shifting and boosting devices for hydraulic construction machinery Download PDF

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Publication number
KR980001207A
KR980001207A KR1019960026081A KR19960026081A KR980001207A KR 980001207 A KR980001207 A KR 980001207A KR 1019960026081 A KR1019960026081 A KR 1019960026081A KR 19960026081 A KR19960026081 A KR 19960026081A KR 980001207 A KR980001207 A KR 980001207A
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KR
South Korea
Prior art keywords
relay
equipment
driving
running
supplying
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Application number
KR1019960026081A
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Korean (ko)
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KR100197147B1 (en
Inventor
이정규
송명훈
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김무
삼성중공업 주식회사
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Priority to KR1019960026081A priority Critical patent/KR100197147B1/en
Publication of KR980001207A publication Critical patent/KR980001207A/en
Application granted granted Critical
Publication of KR100197147B1 publication Critical patent/KR100197147B1/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2253Controlling the travelling speed of vehicles, e.g. adjusting travelling speed according to implement loads, control of hydrostatic transmission
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2221Control of flow rate; Load sensing arrangements
    • E02F9/2225Control of flow rate; Load sensing arrangements using pressure-compensating valves
    • E02F9/2228Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/226Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating

Abstract

본 발명은 유압식 건설기계의 자동 주행변속 및 승압장치에 관한 것으로서, 특히 장비의 작업모드로 설정하는 모드설정수단, 조작자에 의해 장비의 승압여부를 지령하는 승압지령수단, 장비의 주행여부를 감지하는 주행상태 검출수단, 소정의 구동전원의 인가에 의해 절환하여 주릴리프밸브의 입력을 승압시키는 승압밸브, 소정의 신호를 공급받아 상기 승압밸브에 구동전원을 인가하는 제어신호를 공급하는 승압릴레이, 및 소정의 구동전원의 인가에 의해 절환하여 초기상태인 장비의 1속에서 2속으로 증속하는 주행밸브를 구비하는 유압식건설기계의 자동 주행변속 및 승압장치에 있어서 : 장비의 작업여부를 감지하는 작업상태검출수단과, 소정의 신호를 공급받아 상기 주행밸브에 구동전원을 인가하는 제어신호를 공급하는 제2주행릴레이와, 상기 제2주행릴레이로 공급되는 신호공급라인에 설치되어 제2주행릴레이에 의해 주행밸브에 구동전원이 인가되는 제어신호를 인가하는 초기상태로부터 소정의 신호를 공급받아 절환됨에 따라 주행밸브에 구동전원을 차단하는 제어신호를 제2주행 릴레이에 공급하는 제1주행릴레이, 및 상기 모드설정수단, 승압지령수단, 주행상태 검출수단 및 작업상태 검출수단으로부터 소정의 신호를 공급받아 상기 승압릴레이와 상기 제1주행릴레이를 제어하는 콘트롤러를 구비하여 구성됨을 특징으로 하는 유압식 건설기계의 자동 주행변속 및 승압장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic traveling speed-increasing and boosting device for a hydraulic construction machine, and more particularly to a mode setting means for setting a working mode of the equipment, a step-up command means for instructing an operator to ascend or descend the equipment, A boosting relay for supplying a control signal for supplying a drive power to the boosting valve in response to a predetermined signal, and a boosting relay for boosting the input of the main relief valve, 1. An automatic traveling speed increasing and step-up device for a hydraulic type construction machine, comprising: a traveling valve that is switched by application of a predetermined driving power to increase speed from a first speed to a second speed of an equipment in an initial state, A second traveling relay for receiving a predetermined signal and supplying a control signal for applying driving power to the traveling valve, The second driving relay is provided with a signal supply line for supplying driving power to the driving valve, and a driving signal is supplied to the driving valve as a predetermined signal is supplied from an initial state in which the driving signal is applied to the driving valve. A first running relay for supplying a control signal to the first running relay to the second running relay, and a second running relay for supplying a control signal to the second running relay, And a controller for controlling the traveling relay. [0002] The present invention relates to an automatic traveling transmission and boosting device for a hydraulic construction machine.

Description

유압식 건설기계의 자동 주행변속 및 승압장치Automatic transmission shifting and boosting devices for hydraulic construction machinery

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제2도는 본 발명에 의한 유압식 건설기계의 자동 주행변속 및 승압장치의 구성을 나타내는 회로도.FIG. 2 is a circuit diagram showing a configuration of an automatic traveling speed-increasing and boosting device of a hydraulic construction machine according to the present invention. FIG.

제3도는 본 발명에 의한 1속/2속 변속기준선도.FIG. 3 is a first speed / second speed shift reference line according to the present invention. FIG.

제4도는 제2도에 도시된 콘트롤러의 동작흐름도이다.FIG. 4 is a flow chart of the operation of the controller shown in FIG.

Claims (3)

장비의 작업모드로 설정하는 모드수단, 조작자에 의해 장비의 승압여부를 지령하는 승압지령수단, 장비의 주행여부를 감지하는 주행상태 검출수단, 소정의 구동전원의 인가에 의해 절환하여 주릴리프밸브의 압력을 승압시키는 승압밸브, 소정의 신호를 공급받아 상기 승압밸브에 구동전원을 인가하는 제어신호를 공급하는 승압릴레이, 및 소정의 구동전원의 인가에 의해 절환하여 초기상태인 장비의 1속에서 2속으로 증속하는 주행밸브를 구비하는 유압식 건설기계의 자동 주행변속 및 승압장치에 있어서 : 장비의 작업여부를 감지하는 작업상태검출수단; 소정의 신호를 공급받아 상기 주행밸브에 구동전원을 인가하는 제어신호를 공급하는 제2주행릴레이; 상기 제2주행릴레이로 공급되는 신호공급라인에 설치되어 제2주행릴레이에 의해 주행밸브에 구동전원이 인가되는 제어신호를 인가하는 초기상태로부터 소정의 신호를 공급받아 절환됨에 따라 주행밸브에 구동전원을 차단하는 제어신호를 제2주행 릴레이에 공급하는 제1주행릴레이; 및 상기 모드설정수단, 승압지령수단, 주행상태 검출수단 및 작업상태 검출수단으로부터 소정의 신호를 공급받아 상기 승압릴레이와 상기 제1주행릴레이를 제어하는 콘트롤러를 구비하여 구성됨을 특징으로 하는 유압식 건설기계의 자동 주행변속 및 승압장치.A mode control means for controlling the operation of the main relief valve, a mode for setting the operation mode of the device, a step-up instruction means for instructing whether the device is stepped up by the operator, a running state detecting means for detecting whether the device is running, A step-up relay for supplying a control signal for supplying a drive power to the step-up valve in response to a predetermined signal, and a step-up relay connected to the first step 1. A automatic transmission shift and boosting device for a hydraulic construction machine, comprising: a working state detecting means for detecting whether or not an equipment is working; A second travel relay for supplying a control signal for supplying a driving power to the traveling valve in response to a predetermined signal; The second driving relay is connected to the second driving relay, and the second driving relay applies a control signal to the driving valve to apply the driving power to the driving valve. A first running relay for supplying a control signal to the second running relay; And a controller for receiving a predetermined signal from the mode setting means, the step-up command means, the running state detecting means, and the work state detecting means and controlling the step-up relay and the first traveling relay, Of the automatic transmission shift and boost device. 제 1항에 있어서, 상기 제1주행릴레이의 접지회로중에 설치되어 상기 제1주행릴레이의 오프상태절환시 조작자의 수동조작에 의해 장비를 변속시키는 변속스위치를 더 구비함을 특징으로 하는 유압식 건설기계의 자동 주행변속 승압장치.2. The hydraulic construction machine according to claim 1, further comprising a shift switch installed in a ground circuit of the first traveling relay for shifting the equipment by manual operation of the operator when the first traveling relay is switched off, Speed automatic shifting booster. 제1항에 있어서, 상기 콘트롤러는, 상기 주행상태 검출수단으로부터 주행여부판정신호를 입력받아, 장비의 주행여부를 판정하는 제1과정; 상기 제1과정에 의해 장비가 주행상태로 판정되면, 상기 작업상태 검출수단으로부터 작업여부판정신호를 입력받아, 장비의 작업여부를 판정하는 제2과정; 상기 제2과정에 의해 장비가 작업상태로 판정되면, 상기 제1주행릴레이를 온상태로 절환하여 장비를 1속으로 고정하고, 동시에 승압릴레이를 오프상태로 절환하여 승압을 해제하며, 장비가 작업상태가 아닌 상태로 판정되면, 상기 제1주행릴레이를 오프상태로 정절환하여 장비의 부하에 따라 변속이 가능하게 하고, 동시에 승압릴레이를 온상태로 절환하여 장비를 승압시키는 제3과정; 제1과정에 의헤 장비가 작업상태가 아닌 상태로 판정되면, 상기 모드설정수단으로부터 파인모드여부판정신호를 입력받아, 장비의 파인 모드를 판정하여 파인모드로 판정되면, 승압릴레이를 온상태로 절환하여 장비를 승압시키는 제4과정; 제4과정에 의해 장비가 파인모드가 아닌 상태로 판정되면, 상기 승압지령수단으로부터 승압지령여부신호를 입력받아, 승압지령을 판정하여 승압지령이 내려진 상태이면, 상기 승압릴레이를 온상태로 절환하여 일정시간동안 장비를 승압시키는 제5과정; 및 제4과정에 의해 승압지령에 없는 상태이면, 승압릴레이를 오프상태로 절환하여 장비의 승압상태를 해제하는 제6과정을 수행하는 것을 특징으로 하는 유압식 건설기계의 자동 변속 및 승압장치.2. The method according to claim 1, wherein the controller includes: a first step of receiving a running determination signal from the running condition detection unit and determining whether the equipment is running; A second step of receiving an operation determination signal from the operation state detection unit and determining whether the device is in operation when the apparatus is determined to be in a running state by the first process; When the equipment is determined to be in the working state by the second process, the first traveling relay is switched to the ON state to fix the equipment to the first speed, and at the same time, the voltage-rising relay is switched to the OFF state, A third step of switching the first traveling relay to the off state to enable shifting according to the load of the equipment and at the same time switching the step-up relay to the on state to increase the equipment; If it is determined that the equipment is not in the work state according to the first process, the fine mode decision signal is received from the mode setting means and the fine mode of the equipment is judged. If the fine mode is determined to be the fine mode, A fourth step of boosting the equipment; If it is determined in the fourth step that the equipment is not in the fine mode, the step-up command signal is received from the step-up command means to determine a step-up command, and if the step-up command is issued, the step- A fifth step of boosting the equipment for a predetermined time; And the sixth step of switching the step-up relay to the off state and releasing the step-up state of the equipment when the step-up command is not issued by the fourth step. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960026081A 1996-06-29 1996-06-29 Automatic driving transmission and increasing pressure device of construction machinery of oil pressure type KR100197147B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960026081A KR100197147B1 (en) 1996-06-29 1996-06-29 Automatic driving transmission and increasing pressure device of construction machinery of oil pressure type

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Application Number Priority Date Filing Date Title
KR1019960026081A KR100197147B1 (en) 1996-06-29 1996-06-29 Automatic driving transmission and increasing pressure device of construction machinery of oil pressure type

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KR980001207A true KR980001207A (en) 1998-03-30
KR100197147B1 KR100197147B1 (en) 1999-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100426877B1 (en) * 1998-08-25 2004-06-12 현대중공업 주식회사 Power Control Method of Excavator
US6905570B2 (en) 2002-08-05 2005-06-14 Samsung Electronics Co., Ltd. Apparatus for manufacturing integrated circuit device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100426877B1 (en) * 1998-08-25 2004-06-12 현대중공업 주식회사 Power Control Method of Excavator
US6905570B2 (en) 2002-08-05 2005-06-14 Samsung Electronics Co., Ltd. Apparatus for manufacturing integrated circuit device

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Publication number Publication date
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