JPS62166301U - - Google Patents
Info
- Publication number
- JPS62166301U JPS62166301U JP5353386U JP5353386U JPS62166301U JP S62166301 U JPS62166301 U JP S62166301U JP 5353386 U JP5353386 U JP 5353386U JP 5353386 U JP5353386 U JP 5353386U JP S62166301 U JPS62166301 U JP S62166301U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic servo
- event
- failure
- loss
- power
- 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
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図のサーボバルブの流量特性を示す線図
、第３図は第２図のサーボバルブの作動を説明す
る線図である。
１……油圧サーボ制御器、２……サーボバルブ
コントロール信号自動切替器、３，４……接点、
５……コンデンサー、６……サーボバルブ、７…
…油ポンプ、８……油圧シリンダー、９……被制
御体、１０……リミツトスイツチ、１１……接点
、１２……非常用電流信号、１３，１４……可変
抵抗器。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
This figure is a diagram showing the flow rate characteristics of the servo valve shown in FIG. 1, and FIG. 3 is a diagram explaining the operation of the servo valve shown in FIG. 2. 1...Hydraulic servo controller, 2...Servo valve control signal automatic switch, 3, 4...Contact,
5...Condenser, 6...Servo valve, 7...
... Oil pump, 8 ... Hydraulic cylinder, 9 ... Controlled object, 10 ... Limit switch, 11 ... Contact, 12 ... Emergency current signal, 13, 14 ... Variable resistor.
Claims (1)
る被制御体の保護装置を有する油圧サーボ制御シ
ステムにおいて、正常運転中は常に充電され故障
時又は電源喪失時に放電することのできるコンデ
ンサーと、上記コンデンサーの放電回路に挿入さ
れ故障時又は電源喪失時にオンとなつて上記コン
デンサーの放電電流により油圧サーボバルブを作
動させるサーボバルブコントロール信号自動切替
器とを具えたことを特徴とする油圧サーボ制御シ
ステム。 In a hydraulic servo control system having a protection device for a controlled object in the event of a failure or power loss of the hydraulic servo controller, a capacitor that is constantly charged during normal operation and can be discharged in the event of a failure or loss of power; A hydraulic servo control system comprising: a servo valve control signal automatic switching device inserted into a discharge circuit and turned on in the event of a failure or loss of power to operate the hydraulic servo valve using the discharge current of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5353386U JPH0414650Y2 (en) | 1986-04-11 | 1986-04-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5353386U JPH0414650Y2 (en) | 1986-04-11 | 1986-04-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62166301U true JPS62166301U (en) | 1987-10-22 |
| JPH0414650Y2 JPH0414650Y2 (en) | 1992-04-02 |
Family
ID=30879685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5353386U Expired JPH0414650Y2 (en) | 1986-04-11 | 1986-04-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414650Y2 (en) |
-
1986
- 1986-04-11 JP JP5353386U patent/JPH0414650Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0414650Y2 (en) | 1992-04-02 |
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