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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5876853U (en) | hydraulic drive | |
JPS60108788U (en) | hydraulic drive circuit | |
JPS60112680U (en) | Control device for variable displacement pump | |
JPS58116771U (en) | Variable displacement hydraulic motor control device | |
JPS59183562U (en) | Hydraulic closed circuit control device | |
JPS6132589U (en) | Engine control device for machines equipped with variable displacement hydraulic pumps | |
JPS6028284U (en) | Hydraulic pump control device | |
JPS595599U (en) | Control circuit for clamper for forklift truck | |
JPS58123903U (en) | hydraulic control circuit | |
JPS5947106U (en) | Hydraulic circuit of single acting hydraulic cylinder | |
JPS6421283U (en) | ||
JPS6075691U (en) | air pump | |
JPS6078992U (en) | Hydraulic pump input horsepower adjustment device | |
JPS59102651U (en) | Control device for push-pull device in motor scraper | |
JPS58172102U (en) | Hydraulic supply circuit | |
JPS5932570U (en) | power steering device | |
JPS58167000U (en) | Mechanical press overload prevention device | |
JPS6256801U (en) | ||
JPS5845403U (en) | hydraulic drive circuit | |
JPS5998103U (en) | Direction/flow control valve | |
JPS59110270U (en) | Hydraulic circuit of power steering device | |
JPS58194312U (en) | combustion device | |
JPS59105336U (en) | Solenoid valve with stopper | |
JPS59179900U (en) | Hydraulic circuit for operating aerial work vehicles | |
JPS5881383U (en) | Hydraulic motor reduction device |