JPS58158724U - Control circuit for connecting device between engine and hydraulic pump - Google Patents
Control circuit for connecting device between engine and hydraulic pumpInfo
- Publication number
- JPS58158724U JPS58158724U JP4353482U JP4353482U JPS58158724U JP S58158724 U JPS58158724 U JP S58158724U JP 4353482 U JP4353482 U JP 4353482U JP 4353482 U JP4353482 U JP 4353482U JP S58158724 U JPS58158724 U JP S58158724U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- signal
- hydraulic pump
- control circuit
- connecting device
- 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
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの考案の一実施例を示す回路図である。
１・・・・・・指示スイッチ、２・・・・・・ナンドゲ
−１・（第１のゲート）、３・・・・・・インバータ、
４・・・・・・オアゲート（第２のゲート）、５・・・
・・・フリップフロップ、６・・・・・・トランジスタ
、７・・・・・・ソレノイドバルブ。The figure is a circuit diagram showing an embodiment of this invention. 1...Instruction switch, 2...Nando game-1 (first gate), 3...Inverter,
4...Or gate (second gate), 5...
...Flip-flop, 6...Transistor, 7...Solenoid valve.
Claims (1)
指令を与えるスイッチの信号との論理積を出力する第１
のゲート回路と、エンジン信号の反転信号と上記スイッ
チの信号との論理和を出力する第２のゲート回路と、第
１のゲート回路と第２のゲート回路のそれぞれの出力を
入力とするフリップフロップと、フリップフロップの出
力でオンオフされるトランジスタと、トランジスタの出
力でオンオフされ、かつエンジンと油圧ポンプとの連結
、引離しを行なうソレノイドバルブとを備え、エンジン
が停止状態のときのみ、スイッチの信号に応じて、ソレ
ノイドバルブの状態を変更できるようにしたことを特徴
とするエンジンと油圧ポンプの連結装置の制御回路。The first output unit outputs the logical product of the engine signal representing the operating state of the engine and the switch signal that gives a command to the coupling device.
a second gate circuit that outputs the logical sum of the inverted signal of the engine signal and the signal of the switch, and a flip-flop whose inputs are the respective outputs of the first gate circuit and the second gate circuit. , a transistor that is turned on and off by the output of a flip-flop, and a solenoid valve that is turned on and off by the output of the transistor and connects and disconnects the engine and the hydraulic pump.The switch signal is activated only when the engine is stopped. A control circuit for a connecting device between an engine and a hydraulic pump, characterized in that the state of a solenoid valve can be changed according to the conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4353482U JPS58158724U (en) | 1982-03-26 | 1982-03-26 | Control circuit for connecting device between engine and hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4353482U JPS58158724U (en) | 1982-03-26 | 1982-03-26 | Control circuit for connecting device between engine and hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58158724U true JPS58158724U (en) | 1983-10-22 |
| JPS6210182Y2 JPS6210182Y2 (en) | 1987-03-10 |
Family
ID=30054615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4353482U Granted JPS58158724U (en) | 1982-03-26 | 1982-03-26 | Control circuit for connecting device between engine and hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158724U (en) |
-
1982
- 1982-03-26 JP JP4353482U patent/JPS58158724U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6210182Y2 (en) | 1987-03-10 |
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