JPS58177603U - remote control device - Google Patents
remote control deviceInfo
- Publication number
- JPS58177603U JPS58177603U JP4965883U JP4965883U JPS58177603U JP S58177603 U JPS58177603 U JP S58177603U JP 4965883 U JP4965883 U JP 4965883U JP 4965883 U JP4965883 U JP 4965883U JP S58177603 U JPS58177603 U JP S58177603U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- electromagnetic proportional
- pressure control
- proportional pressure
- control valve
- 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
- Fluid-Pressure Circuits (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
第１図は従来装置を示す油圧回路図、第２図は本考案に
よるリモートコントロール装置を備える油圧回路の一実
施例を示す図、第３図は同上実施例における電磁比例圧
力制御弁の具体的構造を示す断面図である。
１１．１２・・・・・・方向切換弁（主バルブ）、１４
・・・・・・ポンプ、２１．２２・・・・・・パイロッ
トシリンダ（差動シリンダ）、２３・・・・・・減圧弁
、３１．３１′・・・・・・絞り、３２．３２’ ・・
・・・・差動ピストン、３３．３３’、３５．３５’・
・・・・・圧力室、３４゜３４′・・・・・・第１の電
磁比例圧力制御弁、３６゜３６′・・・・・・第２の電
磁比例圧力制御弁、３７゜３７’ 、３８．３８’・・
・・・・センタスプリング、４１・・・・・・入口ポー
ト、４２・・・・・・出口ポート、４３・・・・・・弁
シート、４４・・・・・・ポール弁、４５・・・・・・
ブツシュ、４６・・・・・・ブツシュロッド、４７・・
・・・・可動鉄芯、４８・・・・・・コイル、４９・・
・・・・セットスフリング、Ｐｐ・・・・・・パイ請ン
ト圧ライン、Ｒｐ・・・・・・リターンライン。Fig. 1 is a hydraulic circuit diagram showing a conventional device, Fig. 2 is a diagram showing an embodiment of a hydraulic circuit equipped with a remote control device according to the present invention, and Fig. 3 is a concrete diagram of an electromagnetic proportional pressure control valve in the same embodiment. FIG. 3 is a cross-sectional view showing the structure. 11.12... Directional switching valve (main valve), 14
...... Pump, 21.22... Pilot cylinder (differential cylinder), 23... Pressure reducing valve, 31.31'... Throttle, 32.32 '...
・・・Differential piston, 33.33', 35.35'・
...Pressure chamber, 34°34'...First electromagnetic proportional pressure control valve, 36°36'...Second electromagnetic proportional pressure control valve, 37°37' , 38.38'...
... Center spring, 41 ... Inlet port, 42 ... Outlet port, 43 ... Valve seat, 44 ... Pole valve, 45 ...・・・・・・
Butsch, 46... Butschrod, 47...
...Movable iron core, 48...Coil, 49...
...Set spring, Pp...Pipe pressure line, Rp...Return line.
Claims (2)
シリンダを備え、パイロット圧ラインを絞りを介して、
差動シリンダの一方の圧力室と、電気的入力信号に応じ
て開弁圧が変化する第１の電磁比例圧力制御弁の入口ポ
ートとに接続し、該第１の電磁比例圧力制御弁の出口ポ
ートを差動シリンダの他方の圧力室と、第２の電磁比例
圧力制御弁の入口ポートとに接続し、該第２の電磁比例
圧力制御弁の出口ポートをリターンラインに接続し、前
記主バルブを中立位置に付勢して前記第１及び第２の電
磁比例圧力制御弁の開弁圧がそれぞれ所定値以下の状態
のときに前記主バルブを中立位置に戻すセンタスプリン
グを設けてなるリモートコントロール装置。(1) A differential cylinder is provided as a pilot cylinder for driving the main valve, and the pilot pressure line is connected through a throttle.
connected to one pressure chamber of the differential cylinder and an inlet port of a first electromagnetic proportional pressure control valve whose valve opening pressure changes according to an electrical input signal, and an outlet of the first electromagnetic proportional pressure control valve; A port is connected to the other pressure chamber of the differential cylinder and an inlet port of a second electromagnetic proportional pressure control valve, an outlet port of the second electromagnetic proportional pressure control valve is connected to a return line, and the main valve a center spring that biases the main valve to the neutral position and returns the main valve to the neutral position when the opening pressures of the first and second electromagnetic proportional pressure control valves are respectively below predetermined values. Device.
た弁体の背部に可動鉄芯の先端を当接させると共に、該
鉄芯を介して弁体を着座付勢させるコイル及びセットス
プリングを備えてなる実用新案登録請求の範囲第１項記
載のリモートコントロール装置。(2) A coil and set in which the electromagnetic proportional pressure control valve brings the tip of the movable iron core into contact with the back of the valve body disposed opposite to the valve seat, and urges the valve body to sit through the iron core. A remote control device according to claim 1, comprising a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4965883U JPS58177603U (en) | 1983-04-05 | 1983-04-05 | remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4965883U JPS58177603U (en) | 1983-04-05 | 1983-04-05 | remote control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58177603U true JPS58177603U (en) | 1983-11-28 |
Family
ID=30060499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4965883U Pending JPS58177603U (en) | 1983-04-05 | 1983-04-05 | remote control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58177603U (en) |
-
1983
- 1983-04-05 JP JP4965883U patent/JPS58177603U/en active Pending
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