JPS59166065U - Hydraulic closed circuit device - Google Patents
Hydraulic closed circuit deviceInfo
- Publication number
- JPS59166065U JPS59166065U JP6071383U JP6071383U JPS59166065U JP S59166065 U JPS59166065 U JP S59166065U JP 6071383 U JP6071383 U JP 6071383U JP 6071383 U JP6071383 U JP 6071383U JP S59166065 U JPS59166065 U JP S59166065U
- Authority
- JP
- Japan
- Prior art keywords
- closed circuit
- main circuits
- circuit device
- hydraulic
- control cylinder
- 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
- Control Of Fluid Gearings (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
図面は本考案の実施例を示す線図的構成説明図である。
１は可変ポンプ、２１，２□は第１、第２主回路、 −
３はモータ、４は制御シリンダ、６はコントロール弁、
７はパイロット弁、１２．．１２□は第１、第２切換弁
、１４．．１４゜は第１、第２短絡路、１５□、１５□
は第１、第２チエツク弁。The drawings are diagrammatic configuration explanatory diagrams showing an embodiment of the present invention. 1 is a variable pump, 21, 2□ are the first and second main circuits, -
3 is a motor, 4 is a control cylinder, 6 is a control valve,
7 is a pilot valve, 12. ．． 12□ is the first and second switching valve; 14. ．． 14° is the first and second short circuit, 15□, 15□
are the first and second check valves.
Claims (1)
□て閉回路接続し、該可変ポンプ１の吐出量をコントロ
ール弁６、パイロット弁フ、制御シリンダ４で制御する
ように構成すると共に、前記第１、第２主回路２□、２
□に第１、第２切換弁１２、．１２゜を設けかつチェッ
ク弁１５．．１５□を備えた第１、第２短絡路１４１．
１４□で短絡し、前記第１、第２切換弁１２．．１２□
を第１、第２主回路２１，２゜内の油圧及び制御シリン
ダ４の作動圧油によって遮断位置■から連通位置■に切
換るよう′に構成すると共に、前記パイロット弁７を第
１、第２主回路２□、２□の高圧油によって切換えられ
て前記制御シリンダ４に圧油を供給するようにしたこと
を特徴とする油圧閉回路装置。The variable pump 1 and the motor 3 are connected to the first and second main circuits 20 and 2.
□ is connected in a closed circuit, and the discharge amount of the variable pump 1 is controlled by a control valve 6, a pilot valve, and a control cylinder 4, and the first and second main circuits 2□, 2
The first and second switching valves 12, . 12° and a check valve 15. ．． 15□ first and second short circuit paths 141.
14□, and the first and second switching valves 12. ．． 12□
The pilot valve 7 is configured to be switched from the shutoff position (2) to the communication position (2) by the hydraulic pressure in the first and second main circuits 21, 2 and the hydraulic oil of the control cylinder 4, and the pilot valve 7 is A hydraulic closed circuit device characterized in that pressure oil is supplied to the control cylinder 4 by being switched by high pressure oil in two main circuits 2□ and 2□.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6071383U JPS59166065U (en) | 1983-04-25 | 1983-04-25 | Hydraulic closed circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6071383U JPS59166065U (en) | 1983-04-25 | 1983-04-25 | Hydraulic closed circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166065U true JPS59166065U (en) | 1984-11-07 |
Family
ID=30190945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6071383U Pending JPS59166065U (en) | 1983-04-25 | 1983-04-25 | Hydraulic closed circuit device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166065U (en) |
-
1983
- 1983-04-25 JP JP6071383U patent/JPS59166065U/en active Pending
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