JPS61155459U - - Google Patents
Info
- Publication number
- JPS61155459U JPS61155459U JP3749285U JP3749285U JPS61155459U JP S61155459 U JPS61155459 U JP S61155459U JP 3749285 U JP3749285 U JP 3749285U JP 3749285 U JP3749285 U JP 3749285U JP S61155459 U JPS61155459 U JP S61155459U
- Authority
- JP
- Japan
- Prior art keywords
- operation mode
- signal
- computer section
- output signal
- control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000010276 construction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
図面第１図は回路図、第２図は操作モードを示
す説明図である。
４，５……ジヨイステイツク、〜……操作
モード、Ｓ……操作モード選択回路、Ｃ……コン
ピユータ部、Ａ……バツフアアンプ、ＣＨ……自
動・手動切換部、ＶＣ……バルブコントロール回
路、Ｖ……コントロールバルブ。
FIG. 1 is a circuit diagram, and FIG. 2 is an explanatory diagram showing the operation mode. 4, 5... Joystick, ~... Operation mode, S... Operation mode selection circuit, C... Computer section, A... Buffer amplifier, CH... Automatic/manual switching section, VC... Valve control circuit, V... ...control valve.
Claims (1)
あるいはバケツトシリンダ等のアクチユエータを
制御するための一対のジヨイステイツクを備え、
それらジヨイステイツクの操作レバーの操作方向
に応じて、上記各アクチユータの動作方向を制御
する建設車両において、ジヨイステイツクの操作
モードを任意に特定しうるとともに、ジヨイステ
イツクの操作方向を受信し、あらかじめ特定した
操作モードに応じた信号を出力する操作モード選
択回路と、この操作モード選択回路の出力信号に
応じて制御信号を出力するコンピユータ部と、こ
のコンピユータ部と並列に接続され、上記操作モ
ード選択回路の出力信号を増幅するバツフアアン
プと、上記コンピユータ部に接続され、当該コン
ピユータ部が正常に機能しているとき自動制御ス
イツチを閉じ、コンピユータ部の故障信号が入力
したとき手動スイツチを閉じる自動・手動切換部
と、上記コンピユータ部の出力信号あるいはバツ
フアアンプの信号に応じて制御機能を発揮するバ
ルブコントロール回路と、このバルブコントロー
ル回路の出力信号に応じて所定のアクチユエータ
を制御するコントロールバルブとを備えた建設車
両の制御装置。 Equipped with a pair of joysticks for controlling actuators such as arm cylinders, swing motors, boom cylinders, or bucket cylinders,
In a construction vehicle that controls the operating direction of each actuator according to the operating direction of the operating lever of the joystick, the operating mode of the joystick can be arbitrarily specified, and the operating direction of the joystick can be received and the operation mode specified in advance an operation mode selection circuit that outputs a signal according to the output signal of the operation mode selection circuit; a computer section that outputs a control signal according to the output signal of the operation mode selection circuit; an automatic/manual switching section connected to the computer section, which closes an automatic control switch when the computer section is functioning normally and closes a manual switch when a failure signal from the computer section is input; A control device for a construction vehicle, comprising a valve control circuit that performs a control function according to the output signal of the computer section or the signal of the buffer amplifier, and a control valve that controls a predetermined actuator according to the output signal of the valve control circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3749285U JPH0324687Y2 (en) | 1985-03-18 | 1985-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3749285U JPH0324687Y2 (en) | 1985-03-18 | 1985-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61155459U true JPS61155459U (en) | 1986-09-26 |
| JPH0324687Y2 JPH0324687Y2 (en) | 1991-05-29 |
Family
ID=30543622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3749285U Expired JPH0324687Y2 (en) | 1985-03-18 | 1985-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324687Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007613A1 (en) * | 1988-12-23 | 1990-07-12 | Kabushiki Kaisha Komatsu Seisakusho | Operation pattern switching device of hydraulic excavator |
-
1985
- 1985-03-18 JP JP3749285U patent/JPH0324687Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990007613A1 (en) * | 1988-12-23 | 1990-07-12 | Kabushiki Kaisha Komatsu Seisakusho | Operation pattern switching device of hydraulic excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0324687Y2 (en) | 1991-05-29 |
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