JPH0488005U - - Google Patents
Info
- Publication number
- JPH0488005U JPH0488005U JP40084190U JP40084190U JPH0488005U JP H0488005 U JPH0488005 U JP H0488005U JP 40084190 U JP40084190 U JP 40084190U JP 40084190 U JP40084190 U JP 40084190U JP H0488005 U JPH0488005 U JP H0488005U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- port
- control valve
- flow rate
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Adjustable Resistors (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は流量制御弁のコントロール回路図、第３図は開
口面積と操作弁ストロークの関係を示す図表、第
４図は操作弁ストロークと各ポートの開口面積の
関係を示す図表、第５図は従来の回路図、第６図
はその操作弁ストロークと各ポートの開口面積の
関係を示す図表である。
１はポンプ、１ａは吐出路、２，３は第１、第
２操作弁、４，５は第１、第２アクチユエータ、
ａはポンプポート、ｂはタンクポート、ｃ，ｄは
第１、第２アクチユエータポート。
Fig. 1 is a circuit diagram showing an embodiment of the present invention, Fig. 2 is a control circuit diagram of a flow rate control valve, Fig. 3 is a chart showing the relationship between the opening area and the operating valve stroke, and Fig. 4 is a diagram showing the relationship between the operating valve stroke and the operating valve stroke. A chart showing the relationship between the opening area of each port, FIG. 5 is a conventional circuit diagram, and FIG. 6 is a chart showing the relationship between the operating valve stroke and the opening area of each port. 1 is a pump, 1a is a discharge path, 2 and 3 are first and second operating valves, 4 and 5 are first and second actuators,
a is a pump port, b is a tank port, c and d are first and second actuator ports.
Claims (1)
アクチユエータポートｃの開口面積及び第２アク
チユエータポートｄとタンクポートｂの開口面積
を制御する複数の操作弁によつてポンプ１の吐出
圧油を複数のアクチユエータに並列に供給するよ
うにした回路において、該ポンプ１の吐出路１ａ
にタンク回路へ導く流量制御弁を設けると共に、
この流量制御弁を操作する操作弁の種類及び数に
応じてコントロールするコントロール手段を設け
たことを特徴とする油圧回路。 Depending on the operating stroke, pump port a and
The pressure oil discharged from the pump 1 is supplied in parallel to the plurality of actuators by a plurality of operating valves that control the opening area of the actuator port c and the opening areas of the second actuator port d and the tank port b. In the circuit, the discharge path 1a of the pump 1
In addition to installing a flow control valve leading to the tank circuit,
A hydraulic circuit characterized in that a control means is provided for controlling the flow rate control valve according to the type and number of operation valves that operate the flow rate control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40084190U JPH0488005U (en) | 1990-12-18 | 1990-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40084190U JPH0488005U (en) | 1990-12-18 | 1990-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0488005U true JPH0488005U (en) | 1992-07-30 |
Family
ID=31879023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40084190U Pending JPH0488005U (en) | 1990-12-18 | 1990-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0488005U (en) |
-
1990
- 1990-12-18 JP JP40084190U patent/JPH0488005U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01133503U (en) | ||
| JPH0288005U (en) | ||
| JPS5838005U (en) | Synchronous cylinder drive | |
| JPH0478307U (en) | ||
| JP2563914Y2 (en) | Multiple switching valve | |
| JPS61139364U (en) | ||
| JPH03108903U (en) | ||
| JPS61186804U (en) | ||
| JPH03108905U (en) | ||
| JPS5951854U (en) | Hydraulic circuit of 2-pump hydraulic excavator | |
| JPH0319102U (en) | ||
| JPS63125204U (en) | ||
| JPS63116564U (en) | ||
| JPH01103779U (en) | ||
| JPH061950U (en) | Solenoid valve manifold | |
| JPH01139101U (en) | ||
| JPH0165759U (en) | ||
| JPS60191704U (en) | hydraulic system | |
| JPS61282604A (en) | Driving device of double action type hydraulic cylinder | |
| JPS61105388U (en) | ||
| JPS6234234B2 (en) | ||
| JPS6377179U (en) | ||
| JPS6455305U (en) | ||
| JPH0462378U (en) | ||
| JPH0554878U (en) | Pilot operated 2-position switching valve |