KR930021535A - Fork tilt motion automatic stop device of forklift - Google Patents

Fork tilt motion automatic stop device of forklift Download PDF

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Publication number
KR930021535A
KR930021535A KR1019930004903A KR930004903A KR930021535A KR 930021535 A KR930021535 A KR 930021535A KR 1019930004903 A KR1019930004903 A KR 1019930004903A KR 930004903 A KR930004903 A KR 930004903A KR 930021535 A KR930021535 A KR 930021535A
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KR
South Korea
Prior art keywords
fork
tilt
automatic stop
forklift
tilt angle
Prior art date
Application number
KR1019930004903A
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Korean (ko)
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KR100230500B1 (en
Inventor
사까에 나가마찌
요시히또 하야시
Original Assignee
스즈끼 아끼오
신꼬덴끼 가부시끼가이샤
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Publication of KR930021535A publication Critical patent/KR930021535A/en
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Publication of KR100230500B1 publication Critical patent/KR100230500B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

포크를 미리 설정된 자세로, 소망하는 때에 자세를 제어할수가 있는 포크틸트 동작 자동정지장치를 제공하는 것을 목적으로 한다.An object of the present invention is to provide a fork tilt motion automatic stop device capable of controlling the posture when the fork is in a preset position when desired.

포크(3)의 기울음 각도를 검출하는 틸트각센서(14)를 가짐과 아울러 틸트레버는 틸트동작 자동 정지/해체 모드 절환용 누름버튼스위치(14)를 가지며, 연산처리장치(25)는 상기 틸트각 센서가 출력하는 포크틸트각 θ를 감시하며, 상기 누름버튼스위치가 틸트동작 자동정지모드신호를 출력하고 있는 동안은, 상기 포크틸트각이 미리 상기 연상처리장치의 메모리부(26)에 설정된 포크틸트각 θ0와 일치한 때에 상기 틸드실런더에의 압액 공급을 정지시킴을 특징 으로 한다.In addition to having a tilt angle sensor 14 for detecting an inclination angle of the fork 3, the tilt lever has a push button switch 14 for automatically switching the tilt operation / release mode, and the arithmetic processing unit 25 is The fork tilt angle is monitored by the tilt angle sensor, and the fork tilt angle is set in advance in the memory unit 26 of the associating apparatus while the push button switch outputs the tilt operation automatic stop mode signal. It is characterized in that the pressurized liquid supply to the tilt cylinder is stopped when the fork tilt angle θ 0 coincides.

Description

포크리프트의 포크틸트동작 자동정지장치Fork tilt motion automatic stop device of forklift

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

제1도는 본 발명의 예를 도시한 모양도.1 is a view showing an example of the present invention.

제2도는 상기 실시예에서의 틸트실린더의 도.2 is a view of a tilt cylinder in the above embodiment.

제3도는 상기 실시 예에서의 제어장치도.3 is a control device diagram in the embodiment.

제4도는 상기 실시예에서의 표시부 도.4 is a view of a display portion in the above embodiment.

제5도는 상기 제어장치의 가변저항기의 발생전압도.5 is a generated voltage diagram of a variable resistor of the control device.

제6도는 상기 실시예에서의 모터속도지시도.6 is a motor speed instruction diagram in the above embodiment.

Claims (4)

리프트레버(lift lever)와 이 리프트레버의 승강 조작량을 전기신호로 변환하여 트랜스듀서, 포크를 승강시키는 리프트실린더와 틸트레버와 이 틸트레버의 조작량을 전기 신호로 변환하는 트랜스듀서와, 포크를 경도시키는 틸트실린더와, 상기 리프트실린더와 상기 틸트 실린더에 압액을 급배하는 유압펌프와, 이 유압펌프와 상기 틸드실린더와를 연락하는 배관중에 설치된 제1의 변 및 상기 유압펌프와 상기 틸트실린더와를 연락하는 배관중에 설치된 제2의 변과, 제어장치와를 배치하여, 이 제어장치가 상기 트랜스듀서의 출력을 입력하여 연산처리장치로 처리하여, 상기 유압펌프의 모터속도와 상기 변의 개폐를 제어하는 포크리프트에 있어서, 포크의 경도각을 검출하는 틸트각센서를 가짐과 아울러 상기 틸트레버는 틸드동작 자동 정지/해제 모드,절환용 누름버튼스위치를 가지며, 상기 연산처리장치는, 상기 틸트각센서가 출력하는 포크틸트각을 감시하여, 상기 누틈버튼스위치가 틸트동작 자동정지모드신호를 하고 있는 동안은 상기 포크틸트각이 미리 상기 연산처리장치의 메모리부에 설정된 포크틸드각과 일치한 때의 상기 틸트실린더에의 압액의 공급을 정지시키는 것을 특징으로 하는 포크리프트의 포크틸트 동작 자동정지장치.The lift lever and the lift cylinder of the lift lever are converted into electrical signals, the transducer and lift cylinder for lifting the fork, the tilt lever, the transducer to convert the manipulated amount of the tilt lever into electrical signals, and the fork A tilt cylinder to be supplied, a hydraulic pump for supplying pressurized liquid to the lift cylinder and the tilt cylinder, a first side installed in a pipe communicating with the hydraulic pump and the tilt cylinder, and the hydraulic pump and the tilt cylinder. A second side and a control device arranged in the pipe to be arranged, and the control device inputs the output of the transducer to be processed by the arithmetic processing device to control the motor speed of the hydraulic pump and the opening and closing of the side. In the lift, the tilt lever has a tilt angle sensor for detecting the hardness angle of the fork, and the tilt lever has a tilde motion automatic stop / release mode. And a push button switch for switching, wherein the arithmetic processing unit monitors the fork tilt angle output by the tilt angle sensor, and the fork tilt angle is previously set while the push button switch is generating a tilt operation automatic stop mode signal. A forklift automatic stop device for a forklift, characterized in that for stopping the supply of pressurized liquid to the tilt cylinder when the forktilt angle set in the memory of the processing unit is matched. 제1항에 있어서, 연산처리장치의 메모리부에 설정된 포크틸트각은, 포크 수평자세에 대응하는 각도인 것을 특징으로 하는 포크리프트의 포크틸트 동작 자동정지장치.The forklift automatic stop device according to claim 1, wherein the fork tilt angle set in the memory unit of the arithmetic processing unit is an angle corresponding to the fork horizontal posture. 제1항과제2항의 어느 한항에 있어서 연산처리장치는, 포크틸트각이 미리 메모리부에 설정됨 포크틸트각과 일치한 때에 부저(buzzer)가 우는 것을 특징으로 하는 포크리프트의 포크틸트 동작 자동정지장치.The automatic stop device of the forklift operation according to any one of claims 1 to 2, wherein the arithmetic processing unit buzzer is crying when the fork tilt angle is set in advance in the memory unit. . 제1항 내지 제3항의 어느 한 항에 있어서, 포크자세 표시부를 가지는 표시패널을 운잔대에 구비하며, 연산처리창치는 자동정지모드신호를 입력하고 있음을 조건으로 하고 상기 표시부를 플리커스 점등시켜, 포크 자세가 미리 메모리부에 설정된 포크틸트각과 일치된 후는 상기 표시부를 정지 점등시키는 것을 특징으로 하는 포크리프트의 포크틸트 동작 자동정지장치.A display panel having a fork posture display portion is provided on a carriage platform, and the operation processing window is turned on with a flicker light on the condition that an automatic stop mode signal is input. Forklift automatic stop device, characterized in that the forklift stops and lights up after the fork posture coincides with the fork tilt angle set in advance in the memory unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930004903A 1992-04-06 1993-03-29 Auto stopping device for tilting in a fork lift truck KR100230500B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4083703A JPH05278998A (en) 1992-04-06 1992-04-06 Automatic fork tilt operation stopping device for forklift
JP92-083703 1992-04-06

Publications (2)

Publication Number Publication Date
KR930021535A true KR930021535A (en) 1993-11-22
KR100230500B1 KR100230500B1 (en) 1999-11-15

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ID=13809858

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930004903A KR100230500B1 (en) 1992-04-06 1993-03-29 Auto stopping device for tilting in a fork lift truck

Country Status (2)

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JP (1) JPH05278998A (en)
KR (1) KR100230500B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076358A (en) * 2018-12-19 2020-06-29 주식회사 두산 Industrial vehicle
KR20210157035A (en) * 2020-06-19 2021-12-28 두산산업차량 주식회사 Control method of forklift

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100503613B1 (en) * 1998-08-28 2005-09-26 두산인프라코어 주식회사 Pump motor control apparatus and method for electric forklift
KR101358597B1 (en) * 2007-12-26 2014-02-04 주식회사 두산 A Forklift Device With A Tilting Angle Controlling Structure Of A Mast
KR101704797B1 (en) * 2011-04-27 2017-02-09 현대중공업 주식회사 Mast of auto tilt leveling for battery powered forklift
CN109110686B (en) * 2018-10-17 2020-02-11 合肥搬易通科技发展有限公司 Fork automatic leveling device for forklift
CN113147394A (en) * 2021-02-23 2021-07-23 张建松 Fork truck driving operation safety assists warning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200076358A (en) * 2018-12-19 2020-06-29 주식회사 두산 Industrial vehicle
KR20210157035A (en) * 2020-06-19 2021-12-28 두산산업차량 주식회사 Control method of forklift

Also Published As

Publication number Publication date
KR100230500B1 (en) 1999-11-15
JPH05278998A (en) 1993-10-26

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