JPS59101004U - hydraulic control circuit - Google Patents

hydraulic control circuit

Info

Publication number
JPS59101004U
JPS59101004U JP19690882U JP19690882U JPS59101004U JP S59101004 U JPS59101004 U JP S59101004U JP 19690882 U JP19690882 U JP 19690882U JP 19690882 U JP19690882 U JP 19690882U JP S59101004 U JPS59101004 U JP S59101004U
Authority
JP
Japan
Prior art keywords
hydraulic
pilot
hydraulic control
control circuit
selectively
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
JP19690882U
Other languages
Japanese (ja)
Inventor
岡田　弘志
Original Assignee
日本ニユ−マチツク工業株式会社
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 日本ニユ−マチツク工業株式会社 filed Critical 日本ニユ−マチツク工業株式会社
Priority to JP19690882U priority Critical patent/JPS59101004U/en
Publication of JPS59101004U publication Critical patent/JPS59101004U/en
Pending legal-status Critical Current

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  • 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

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

第１図は従来の油圧制御回路の一例を示す回路図、第２
図はこの考案の油圧制御回路の一例を示す回路図である
。 １・・・油圧ポンプ、３・・・制御弁、７・・・油圧モ
ータ、８・・・衝撃勤王Ｌ１４，１５・・・パイロット
チェック弁、ｔ′６．１７・・・バネ−１１８，１９・
・・弁体、２０．２１・・・パイロット回路、２２・・
・電磁切換弁。Figure 1 is a circuit diagram showing an example of a conventional hydraulic control circuit;
The figure is a circuit diagram showing an example of the hydraulic control circuit of this invention. DESCRIPTION OF SYMBOLS 1... Hydraulic pump, 3... Control valve, 7... Hydraulic motor, 8... Shock control valve L14, 15... Pilot check valve, t'6.17... Spring 118, 19・
...Valve body, 20.21...Pilot circuit, 22...
・Solenoid switching valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 油圧ポンプから送らｔ７てくる圧力油を制御弁と選択装
置を経て、２種の油圧機器の何れかに選択的に供給して
作動させるようにした油圧回路において、前記選択装置
は、各機器毎に設けた油圧バ・イロットチェック方と、
この各チェック弁の何れかのパイロット回路に選択的に
油圧を加える電磁切換弁とて構成し、前記各チェ゛シク
弁はパイロット回路に油圧が加オ）つなとき閉じる構造
とした油圧制御−路。In a hydraulic circuit in which pressure oil sent from a hydraulic pump t7 is selectively supplied to one of two types of hydraulic equipment for operation via a control valve and a selection device, the selection device is configured to selectively supply pressure oil t7 for each equipment. Hydraulic bar pilot check method installed in
Hydraulic control is comprised of an electromagnetic switching valve that selectively applies hydraulic pressure to one of the pilot circuits of each of the check valves, and each of the check valves is structured to close when hydraulic pressure is applied to the pilot circuit. Road.
JP19690882U 1982-12-27 1982-12-27 hydraulic control circuit Pending JPS59101004U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19690882U JPS59101004U (en) 1982-12-27 1982-12-27 hydraulic control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19690882U JPS59101004U (en) 1982-12-27 1982-12-27 hydraulic control circuit

Publications (1)

Publication Number Publication Date
JPS59101004U true JPS59101004U (en) 1984-07-07

Family

ID=30422167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19690882U Pending JPS59101004U (en) 1982-12-27 1982-12-27 hydraulic control circuit

Country Status (1)

Country Link
JP (1) JPS59101004U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933370A (en) * 1972-08-03 1974-03-27
JPS5544189A (en) * 1978-09-22 1980-03-28 Clark Equipment Co Hydraulic pressure controller for operating multiple remote controlled device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933370A (en) * 1972-08-03 1974-03-27
JPS5544189A (en) * 1978-09-22 1980-03-28 Clark Equipment Co Hydraulic pressure controller for operating multiple remote controlled device

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