JPS58123903U - hydraulic control circuit - Google Patents

hydraulic control circuit

Info

Publication number
JPS58123903U
JPS58123903U JP2054282U JP2054282U JPS58123903U JP S58123903 U JPS58123903 U JP S58123903U JP 2054282 U JP2054282 U JP 2054282U JP 2054282 U JP2054282 U JP 2054282U JP S58123903 U JPS58123903 U JP S58123903U
Authority
JP
Japan
Prior art keywords
oil
hydraulic
circuit
control circuit
hydraulic control
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
JP2054282U
Other languages
Japanese (ja)
Inventor
伊藤　新三郎
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP2054282U priority Critical patent/JPS58123903U/en
Publication of JPS58123903U publication Critical patent/JPS58123903U/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 drawings]

第１図は従来のものの例を示す回路図、第２図は本考案
の一実施例を示す回路曲である。 Δ：荷役用の油圧操作回路、Ｂ：舵取用の油圧操作回路
、Ｂ□：戻り回路、Ｂ２：接続回路、１０：油タンク、
１１．１２：油ポンプ、１３：切換操作弁、１４ａ、　
　１４ｂ：ハ’７−シリンダ、Ｌｂ：油圧スイッチ、１
６：切換弁、１７：調整弁１，１８：切換操作弁、１９
ａ、　　１９ｂ：ハ’７−シリンダ。FIG. 1 is a circuit diagram showing a conventional example, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. Δ: Hydraulic operation circuit for cargo handling, B: Hydraulic operation circuit for steering, B□: Return circuit, B2: Connection circuit, 10: Oil tank,
11.12: Oil pump, 13: Switching operation valve, 14a,
14b: C'7-cylinder, Lb: Oil pressure switch, 1
6: Switching valve, 17: Adjustment valve 1, 18: Switching operation valve, 19
a, 19b: C'7-cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １つのパワーユニットにより駆動される複数の油ポンプ
と、同油ポンプを含む独立した複数の油圧操作回路とか
らなり、同油圧操作回路の１つは、不使用時及び一定量
以上の油が流れた時、油を戻り回路へ戻す調整装置と、
−同戻り回路へ戻される油を、他の油圧操作回路の操作
負荷に応じて、同他の油圧操作回路又は油タンクへ流す
切換装置を有することを特徴とする油圧制御回路。It consists of multiple oil pumps driven by one power unit and multiple independent hydraulic operation circuits including the oil pumps, and one of the hydraulic operation circuits is closed when not in use or when more than a certain amount of oil flows. a regulating device that returns oil to the return circuit;
- A hydraulic control circuit characterized by having a switching device that allows oil returned to the same return circuit to flow to another hydraulic operating circuit or an oil tank depending on the operating load of the other hydraulic operating circuit.
JP2054282U 1982-02-16 1982-02-16 hydraulic control circuit Pending JPS58123903U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2054282U JPS58123903U (en) 1982-02-16 1982-02-16 hydraulic control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2054282U JPS58123903U (en) 1982-02-16 1982-02-16 hydraulic control circuit

Publications (1)

Publication Number Publication Date
JPS58123903U true JPS58123903U (en) 1983-08-23

Family

ID=30032707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2054282U Pending JPS58123903U (en) 1982-02-16 1982-02-16 hydraulic control circuit

Country Status (1)

Country Link
JP (1) JPS58123903U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018605A (en) * 1983-07-07 1985-01-30 Daikin Ind Ltd Binary flow converging circuit
JPH0450573U (en) * 1990-09-06 1992-04-28

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164206A (en) * 1980-05-02 1981-12-17 Bosch Gmbh Robert Hydraulic apparatus with two pumps

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164206A (en) * 1980-05-02 1981-12-17 Bosch Gmbh Robert Hydraulic apparatus with two pumps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6018605A (en) * 1983-07-07 1985-01-30 Daikin Ind Ltd Binary flow converging circuit
JPH0450573U (en) * 1990-09-06 1992-04-28

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