JPH0399208U - - Google Patents
Info
- Publication number
- JPH0399208U JPH0399208U JP708990U JP708990U JPH0399208U JP H0399208 U JPH0399208 U JP H0399208U JP 708990 U JP708990 U JP 708990U JP 708990 U JP708990 U JP 708990U JP H0399208 U JPH0399208 U JP H0399208U
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- pressure
- pressure switch
- operating
- supply circuit
- 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.)
- Pending
Links
Landscapes
- Measuring Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Description
第１図は本考案の作動装置の構成を示すブロツ
ク図、第２図は本考案の一実施例の構成を示す回
路図、第３図は実施例の装置の制御内容を示すフ
ローチヤートである。
１……圧力発生源、２……アクチユエータ、３
……流体供給回路、４……アクユムレータ、５…
…圧力スイツチ、６……動作速度検出手段、７…
…制御手段、１０……ポンプ（圧力発生源）、１
１……モータ、１２……コンピユータ、１４……
シリンダ（アクチユエータ）、１６……油圧回路
、１７……アキユムレータ、１８……圧力スイツ
チ、２０……ストロークセンサ。
Fig. 1 is a block diagram showing the configuration of the actuating device of the present invention, Fig. 2 is a circuit diagram showing the configuration of an embodiment of the invention, and Fig. 3 is a flowchart showing the control contents of the device of the embodiment. . 1... Pressure generation source, 2... Actuator, 3
...Fluid supply circuit, 4...Accumulator, 5...
...Pressure switch, 6...Operation speed detection means, 7...
... Control means, 10 ... Pump (pressure generation source), 1
1...Motor, 12...Computer, 14...
Cylinder (actuator), 16...hydraulic circuit, 17...accumulator, 18...pressure switch, 20...stroke sensor.
Claims (1)
供給回路中に、アキユムレータと圧力スイツチと
が設けられており、この圧力スイツチの検出信号
に応答して上記圧力発生源を駆動制御し、それに
より上記流体供給回路の圧力を一定値以上に維持
する流体圧式アクチユエータの作動装置において
、 (a) 上記アクチユエータの動作速度を検出する
手段と、 (b) アクチユエータの動作命令が与えられかつ
上記圧力スイツチが高圧を検出している条件下で
、アクチユエータの動作速度が基準値以下になつ
た場合、圧力スイツチが故障したと判断して上記
圧力発生源を一定時間駆動させる制御手段と、 を備えたことを特徴とする流体圧式アクチユエー
タの作動装置。[Claims for Utility Model Registration] An accumulator and a pressure switch are provided in a fluid supply circuit that connects a pressure source and an actuator, and the pressure source is driven in response to a detection signal from the pressure switch. A hydraulic actuator actuating device for controlling and thereby maintaining the pressure of the fluid supply circuit above a certain value, the actuator comprising: (a) means for detecting the operating speed of the actuator; and (b) a command for operating the actuator. and a control means that determines that the pressure switch has failed and drives the pressure source for a certain period of time when the operating speed of the actuator falls below a reference value under the condition that the pressure switch is detecting high pressure; An operating device for a fluid pressure actuator, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP708990U JPH0399208U (en) | 1990-01-30 | 1990-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP708990U JPH0399208U (en) | 1990-01-30 | 1990-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399208U true JPH0399208U (en) | 1991-10-16 |
Family
ID=31510750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP708990U Pending JPH0399208U (en) | 1990-01-30 | 1990-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399208U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4961775A (en) * | 1972-10-16 | 1974-06-14 | ||
| JPH0194129A (en) * | 1987-10-07 | 1989-04-12 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
-
1990
- 1990-01-30 JP JP708990U patent/JPH0399208U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4961775A (en) * | 1972-10-16 | 1974-06-14 | ||
| JPH0194129A (en) * | 1987-10-07 | 1989-04-12 | Hitachi Constr Mach Co Ltd | Oil-pressure driver |
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