JPS58123903U - hydraulic control circuit - Google Patents
hydraulic control circuitInfo
- 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
Links
Landscapes
- 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
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)
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56164206A (en) * | 1980-05-02 | 1981-12-17 | Bosch Gmbh Robert | Hydraulic apparatus with two pumps |
-
1982
- 1982-02-16 JP JP2054282U patent/JPS58123903U/en active Pending
Patent Citations (1)
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)
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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