JPS60108788U - hydraulic drive circuit - Google Patents

hydraulic drive circuit

Info

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
Application number
JP20234883U
Other languages
Japanese (ja)
Inventor
佐藤　弥之助
生形　春樹
Original Assignee
カヤバ工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by カヤバ工業株式会社 filed Critical カヤバ工業株式会社
Priority to JP20234883U priority Critical patent/JPS60108788U/en
Publication of JPS60108788U publication Critical patent/JPS60108788U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変吐出ポンプと、この可変吐出ポンプの吐出圧を検出
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.
JP20234883U 1983-12-27 1983-12-27 hydraulic drive circuit Pending JPS60108788U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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