JPS58127206U - pressure fluid circuit - Google Patents
pressure fluid circuitInfo
- Publication number
- JPS58127206U JPS58127206U JP2521582U JP2521582U JPS58127206U JP S58127206 U JPS58127206 U JP S58127206U JP 2521582 U JP2521582 U JP 2521582U JP 2521582 U JP2521582 U JP 2521582U JP S58127206 U JPS58127206 U JP S58127206U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pressure fluid
- valve
- switching valve
- discharge side
- 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、この考案の一実施例の回路図、第２図は、第
１図バルブ装置１．２の横断面図、第３図は従来の一実
施例の回路図である。
１・・・第１圧力流体源（第１ポンプ）、２・・・バル
ブ装置、４．５・・・切換弁、６・・・選択切換弁、７
・・・分流弁、８・・・第２ポンプ（第２圧力流体源）
、９・・・第３ポンプ（第２圧力流体源）、１０・・・
第２アクチユエータ、１１・・・第３アクチユエータ、
１２゜１３・・・方向切換弁、１４．１５・・・逆止弁
、Ａ・・・第１回路、Ｂ１・・・第１走行回路（Ｂ・・
・第２回路）、Ｂ２・・・第２走行回路（Ｂ・・・第２
回路）、１６・・・第１合流回路（Ｃ・・・第３回路）
、１７・・・第２合流回路（Ｃ・・・第３回路）、Ｔ・
・・タンク。FIG. 1 is a circuit diagram of an embodiment of this invention, FIG. 2 is a cross-sectional view of the valve device 1.2 of FIG. 1, and FIG. 3 is a circuit diagram of a conventional embodiment. DESCRIPTION OF SYMBOLS 1... First pressure fluid source (first pump), 2... Valve device, 4.5... Switching valve, 6... Selection switching valve, 7
...Diversion valve, 8...Second pump (second pressure fluid source)
, 9... third pump (second pressure fluid source), 10...
second actuator, 11... third actuator,
12゜13... Directional switching valve, 14.15... Check valve, A... First circuit, B1... First traveling circuit (B...
・Second circuit), B2...Second running circuit (B...Second circuit)
circuit), 16...first confluence circuit (C...third circuit)
, 17... second confluence circuit (C... third circuit), T.
··tank.
Claims (1)
ンロード回路を形成する切換弁と、前記アンロード回路
をタンクに接続する第１切換位置と下流側に接続する第
２切換位置とを有する選択切換弁と、この選択切換弁に
接続する分流弁とを連設したバルブ装置を備えた第１回
路と；第２圧力流体源の吐出側とアクチュエータ及びタ
ンクとの夫々が接続する方向切換弁を備えた第２回路と
；よりなり、前記第１回路の分流弁の吐出側と前記第２
圧力流体源の吐出側との間を逆止弁を介して接続する第
３回路とから構成した圧力流体回路。a switching valve connected to the discharge side of the first pressure fluid source and forming an unloading circuit when it is in a neutral position; a first switching position connecting the unloading circuit to the tank; and a second switching position connecting the unloading circuit to the downstream side. a first circuit comprising a valve device in which a selection switching valve having a selection switching valve and a diversion valve connected to the selection switching valve are connected; the discharge side of the second pressure fluid source is connected to the actuator and the tank, respectively; a second circuit comprising a directional switching valve; the discharge side of the diverter valve of the first circuit and the second circuit
and a third circuit connected to the discharge side of the pressure fluid source via a check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2521582U JPS58127206U (en) | 1982-02-23 | 1982-02-23 | pressure fluid circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2521582U JPS58127206U (en) | 1982-02-23 | 1982-02-23 | pressure fluid circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58127206U true JPS58127206U (en) | 1983-08-29 |
Family
ID=30037193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2521582U Pending JPS58127206U (en) | 1982-02-23 | 1982-02-23 | pressure fluid circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127206U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562602A (en) * | 1979-06-20 | 1981-01-12 | Matsushita Electric Ind Co Ltd | Heat treatment of amorphous magnetic element |
| JPS56142942A (en) * | 1980-04-09 | 1981-11-07 | Seirei Ind Co Ltd | Hydraulic circuit apparatus in excavator |
-
1982
- 1982-02-23 JP JP2521582U patent/JPS58127206U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS562602A (en) * | 1979-06-20 | 1981-01-12 | Matsushita Electric Ind Co Ltd | Heat treatment of amorphous magnetic element |
| JPS56142942A (en) * | 1980-04-09 | 1981-11-07 | Seirei Ind Co Ltd | Hydraulic circuit apparatus in excavator |
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