JPS60108788U - hydraulic drive circuit - Google Patents
hydraulic drive circuitInfo
- Publication number
- JPS60108788U JPS60108788U JP20234883U JP20234883U JPS60108788U JP S60108788 U JPS60108788 U JP S60108788U JP 20234883 U JP20234883 U JP 20234883U JP 20234883 U JP20234883 U JP 20234883U JP S60108788 U JPS60108788 U JP S60108788U
- Authority
- JP
- Japan
- Prior art keywords
- variable
- discharge
- drive circuit
- discharge pump
- hydraulic drive
- 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
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
図面第１図は従来の回路図、第２図はその従来の制御特
性図、第３図はこの考案の実施例を示す □回路
図、第４図はこの考案の他の実施例を示す回路図である
。
１・・・可変吐出ポンプ、２及び５・・・制御機構を構
成する制御シリンダ及びレギュレータ、７・・・カッ
′トオフ弁、９・・・手動切換弁。Figure 1 is a conventional circuit diagram, Figure 2 is a conventional control characteristic diagram, and Figure 3 is a circuit diagram showing an embodiment of this invention. Figure 4 is a circuit diagram showing another embodiment of this invention. It is a diagram. DESCRIPTION OF SYMBOLS 1... Variable discharge pump, 2 and 5... Control cylinder and regulator that constitute a control mechanism, 7... Cup
'To-off valve, 9...manual switching valve.
Claims (1)
して、当該可変吐出ポンプの吐出量を調整する制御機構
と、上記可変吐出ポンプの吐出圧が設定圧に達したとき
に、当該制御機構を介して可変吐出ポンプの吐出量を減
少させるように切換え動作するカットオフ弁とを備えた
油圧回路において、必要に応じ上記カットオフ弁に対す
るパイロット圧力を制御して、当該カットオフ弁を不作
動位置に保持或いは復元動作させるための切換弁を設け
てなる油圧駆動回路。a variable discharge pump; a control mechanism that detects the discharge pressure of the variable discharge pump and adjusts the discharge amount of the variable discharge pump; and a control mechanism that detects the discharge pressure of the variable discharge pump and adjusts the discharge amount of the variable discharge pump; In a hydraulic circuit equipped with a cut-off valve that switches to reduce the discharge amount of the variable-discharge pump via A hydraulic drive circuit equipped with a switching valve for holding or restoring the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20234883U JPS60108788U (en) | 1983-12-27 | 1983-12-27 | hydraulic drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20234883U JPS60108788U (en) | 1983-12-27 | 1983-12-27 | hydraulic drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60108788U true JPS60108788U (en) | 1985-07-24 |
Family
ID=30764794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20234883U Pending JPS60108788U (en) | 1983-12-27 | 1983-12-27 | hydraulic drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60108788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60145472A (en) * | 1983-12-29 | 1985-07-31 | Kayaba Ind Co Ltd | Controller for variable-capacity pump |
| JPS6255484A (en) * | 1985-09-02 | 1987-03-11 | Yuken Kogyo Kk | Variable capacity type pump |
| JPS62167880U (en) * | 1986-04-11 | 1987-10-24 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932685A (en) * | 1982-08-16 | 1984-02-22 | Hitachi Constr Mach Co Ltd | Capacity controller for variable capacity pump |
-
1983
- 1983-12-27 JP JP20234883U patent/JPS60108788U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932685A (en) * | 1982-08-16 | 1984-02-22 | Hitachi Constr Mach Co Ltd | Capacity controller for variable capacity pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60145472A (en) * | 1983-12-29 | 1985-07-31 | Kayaba Ind Co Ltd | Controller for variable-capacity pump |
| JPS6255484A (en) * | 1985-09-02 | 1987-03-11 | Yuken Kogyo Kk | Variable capacity type pump |
| JPS62167880U (en) * | 1986-04-11 | 1987-10-24 |
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