JPS5889602U - hydraulic drive - Google Patents
hydraulic driveInfo
- Publication number
- JPS5889602U JPS5889602U JP18461581U JP18461581U JPS5889602U JP S5889602 U JPS5889602 U JP S5889602U JP 18461581 U JP18461581 U JP 18461581U JP 18461581 U JP18461581 U JP 18461581U JP S5889602 U JPS5889602 U JP S5889602U
- Authority
- JP
- Japan
- Prior art keywords
- flow
- actuator
- hydraulic drive
- pump
- flow side
- 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
- Lifting Devices For Agricultural Implements (AREA)
- Harvester Elements (AREA)
- 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、第２図は従来の油圧駆動装置における油圧回路
図、第３図は本考案の一実施態様に係る油圧駆動装置の
油圧回路図、第４図、第５図は流量制御弁とソレノイド
切換弁の一実施態様に係る中立時と作動時の縦断側面図
とその油圧回路図である。
１８・・・・・・三点リンク昇降用油圧シリンダ、２１
・・・・・・その他の油圧シリンダ、２７・・・・・・
圧力補償付流量制御弁、３４．３５・・・・・・ポジシ
ョン、Ｐ・・・・・・ポンプ。Figures 1 and 2 are hydraulic circuit diagrams of a conventional hydraulic drive system, Figure 3 is a hydraulic circuit diagram of a hydraulic drive system according to an embodiment of the present invention, and Figures 4 and 5 are flow control valve and FIG. 2 is a vertical side view and a hydraulic circuit diagram of an embodiment of the solenoid switching valve in a neutral state and in operation. 18... Three-point link lifting hydraulic cylinder, 21
...Other hydraulic cylinders, 27...
Flow control valve with pressure compensation, 34.35...Position, P...Pump.
Claims (3)
させる場合、ポンプとアクチュエータを結ぶ回路の途中
に圧力補償付流量制御弁を設けた油圧駆動装置に於て、
制御流側のアクチュエータを使用しない時はポンプ吐出
油の全量が余剰流側へ流れ、制御流側アクチュエータを
使用する時はポンプ流量の一部が制御流としてこのアク
チュエータ側に流れ、残部が余剰流側へ流れ−るように
した油圧駆動装置。(1) When operating two or more actuators with one pump, in a hydraulic drive system that has a flow control valve with pressure compensation installed in the middle of the circuit connecting the pump and actuator,
When the actuator on the controlled flow side is not used, the entire amount of pump discharge oil flows to the surplus flow side, and when the actuator on the controlled flow side is used, part of the pump flow flows to this actuator side as control flow, and the remainder flows to the surplus flow side. Hydraulic drive device with side flow.
用油圧シリンダと油圧クラッチ又はその他の油圧シリン
ダである実用新案登録請求の範囲第１項記載の油圧駆動
装置。(2) The hydraulic drive device according to claim 1, wherein the actuator is a hydraulic cylinder for raising and lowering a three-point link of an agricultural tractor, a hydraulic clutch, or another hydraulic cylinder.
ジションと、余剰流側及び制御流側に通じるポジション
とを有する実用新案登録請求の範囲第１項記載の油圧駆
動装置。(3) The hydraulic drive device according to claim 1, wherein the flow rate control valve with pressure compensation has a position where it communicates only with the surplus flow side and a position where it communicates with the surplus flow side and the control flow side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18461581U JPS5889602U (en) | 1981-12-11 | 1981-12-11 | hydraulic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18461581U JPS5889602U (en) | 1981-12-11 | 1981-12-11 | hydraulic drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5889602U true JPS5889602U (en) | 1983-06-17 |
Family
ID=29984923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18461581U Pending JPS5889602U (en) | 1981-12-11 | 1981-12-11 | hydraulic drive |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5889602U (en) |
-
1981
- 1981-12-11 JP JP18461581U patent/JPS5889602U/en active Pending
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