JPH0292105U - - Google Patents
Info
- Publication number
- JPH0292105U JPH0292105U JP110089U JP110089U JPH0292105U JP H0292105 U JPH0292105 U JP H0292105U JP 110089 U JP110089 U JP 110089U JP 110089 U JP110089 U JP 110089U JP H0292105 U JPH0292105 U JP H0292105U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- pressure reducing
- control valve
- electromagnetic
- reducing 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
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案を３連式３位置型電磁油圧比例
制御弁に適用した一実施例を示す系統図である。
第２図は公知の３連式３位置型電磁油圧比例制御
弁を示す系統図である。
１…電磁比例減圧弁、２…パイロツト油圧回路
、３…電磁切換弁、４…ソレノイド、５…パイロ
ツト電気回路、６…電子コントローラー、７…パ
イロツト油圧回路、８…パイロツト油圧戻り回路
、０１０…操作レバー、０１１…信号線、０１３
…電線、０１５…比例ソレノイド、０１７…スプ
ール弁、０１８…主回路油圧源、０１９…アクチ
ユエーター、０２０…リターンスプリング、０２
１…パイロツト油圧源、０２２…主油圧回路、０
２３…油圧回路、０２４…油タンク。
FIG. 1 is a system diagram showing an embodiment in which the present invention is applied to a triple three-position electrohydraulic proportional control valve.
FIG. 2 is a system diagram showing a known three-way three-position electrohydraulic proportional control valve. 1... Solenoid proportional pressure reducing valve, 2... Pilot hydraulic circuit, 3... Solenoid switching valve, 4... Solenoid, 5... Pilot electric circuit, 6... Electronic controller, 7... Pilot hydraulic circuit, 8... Pilot hydraulic pressure return circuit, 010... Operation Lever, 011...Signal line, 013
...Electric wire, 015...Proportional solenoid, 017...Spool valve, 018...Main circuit hydraulic power source, 019...Actuator, 020...Return spring, 02
1... Pilot hydraulic power source, 022... Main hydraulic circuit, 0
23...Hydraulic circuit, 024...Oil tank.
Claims (1)
力された電流により電磁比例減圧弁を作動させそ
の制御したパイロツト油圧により複数の油圧方向
切換弁を選択的に作動する多連式電磁油圧比例制
御弁装置において、パイロツト油圧回路の最上流
に挿入された１つの電磁比例減圧弁と、上記パイ
ロツト油圧回路の上記電磁比例減圧弁の下流にタ
ンデム状に挿入された複数のパイロツト電磁切換
弁と、上記各パイロツト電磁切換弁に対応して接
続された油圧方向切換弁とを具えたことを特徴と
する多連式電磁油圧比例制御弁装置。 In a multiple electrohydraulic proportional control valve device that operates an electromagnetic proportional pressure reducing valve using a current output from a controller in response to an input signal, and selectively operates a plurality of hydraulic directional control valves using the controlled pilot oil pressure, one electromagnetic proportional pressure reducing valve inserted at the most upstream side of the pilot hydraulic circuit, a plurality of pilot electromagnetic switching valves inserted in tandem downstream of the electromagnetic proportional pressure reducing valve in the pilot hydraulic circuit, and each of the pilot electromagnetic switching valves. A multiple electrohydraulic proportional control valve device comprising a hydraulic directional control valve connected correspondingly to the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP110089U JPH0292105U (en) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP110089U JPH0292105U (en) | 1989-01-09 | 1989-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292105U true JPH0292105U (en) | 1990-07-23 |
Family
ID=31200692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP110089U Pending JPH0292105U (en) | 1989-01-09 | 1989-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292105U (en) |
-
1989
- 1989-01-09 JP JP110089U patent/JPH0292105U/ja active Pending
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